1 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5 use r2 for 64-bit tls .got access.
7 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
9 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
12 2005-10-20 Steven Bosscher <stevenb@suse.de>
14 PR tree-optimization/24225
15 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
17 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
20 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
22 * varasm.c (find_decl_and_mark_needed): After cgraph global info
23 is ready, stop marking functions, but still mark variables.
25 2005-10-20 Richard Guenther <rguenther@suse.de>
28 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
31 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
33 PR rtl-optimization/23585
34 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
35 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
36 (may_trap_p_1): New predicate extracted from...
37 (may_trap_p): ... here. Invoke may_trap_p_1.
38 (may_trap_or_fault_p): New predicate.
39 * rtl.h (may_trap_or_fault_p): Declare it.
40 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
41 instead of may_trap_p.
42 (steal_delay_list_from_fallthrough): Likewise.
43 (fill_simple_delay_slots): Likewise.
44 (fill_slots_from_thread): Likewise.
45 * function.c (pad_to_arg_alignment): Rework comment about
46 SPARC_STACK_BOUNDARY_HACK.
47 * config/sparc/sparc.h: Likewise.
49 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
51 * config/s390/s390.c (s390_expand_insv): New.
52 * config/s390/s390-protos.h (s390_expand_insv): Declare.
53 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
54 ("icm_hi"): Remove mode attribute.
55 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
57 ("*extracthi", "*extractqi"): Remove.
58 (extv<mode>", "*extzv<mode>"): New.
59 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
60 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
62 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
64 * cfgexpand.c (discover_nonconstant_array_refs_r,
65 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
66 (tree_expand_cfg): Call discover_nonconstant_array_refs.
67 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
68 discover_nonconstant_array_refs.
70 2005-10-19 Steven Bosscher <stevenb@suse.de>
73 * c-decl.c (pop_scope): Don't warn about an unused variable
74 if it is marked with TREE_NO_WARNING.
75 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
76 somenow mismatch and olddecl is to be replaced.
78 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
81 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
82 whether registers live on the edge can be saved/restored.
84 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
86 * config/sh/sh.c (fixup_mova): Skip notes.
88 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
90 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
91 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
92 (s390_can_eliminate): Handle BASE_REGNUM elimination.
93 (s390_initial_elimination_offset): Likewise.
94 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
95 register on TARGET_ZARCH targets.
96 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
97 (INITIAL_FRAME_POINTER_OFFSET): Remove.
98 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
99 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
101 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
103 * config/s390/s390.md: Comment describing output modifiers updated.
104 * config/s390/s390.c (print_operand): Likewise.
106 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
108 * config/s390/s390.c (override_options): Added check for -mstack-size
110 * doc/invoke.texi: Mention that limit in the documenation.
112 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
115 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
117 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
119 Fix PR tree-optimization/24231
121 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
122 (compute_avail): Ditto.
124 2005-10-18 Richard Henderson <rth@redhat.com>
127 * config/i386/i386.c (legitimate_constant_p): Check
128 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
130 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
131 (legitimate_pic_address_disp_p): Reorg CONST checking to make
132 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
134 (print_operand_address): Likewise.
135 * config/i386/predicates.md (x86_64_immediate_operand): Test
136 SYMBOL_REF_TLS_MODEL properly inside CONST.
137 (x86_64_zext_immediate_operand): Likewise.
138 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
139 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
140 * config/i386/i386-protos.h: Remove predicates.md entries.
142 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
144 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
145 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
147 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
148 Ian Lance Taylor <ian@airs.com>
151 * fold-const.c (fold_widened_comparison): Do not allow range based
152 constant folding when right operand cannot be unwidened.
154 2005-10-17 Richard Henderson <rth@redhat.com>
156 * builtins.c (expand_builtin_synchronize): Build a new-style asm
157 with a memory clobber.
159 2005-10-17 James E Wilson <wilson@specifix.com>
161 PR rtl-optimization/17356
162 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
163 checking for EDGE_EH.
165 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
167 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
168 the slot on an even boundary for any type with 16-byte alignment.
170 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
173 * md.texi (Modifiers) <%>: Clarify that % doesn't work
174 after register allocation.
176 2005-10-17 DJ Delorie <dj@redhat.com>
178 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
181 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
184 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
187 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
189 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
190 to 2 if it's already non-zero.
191 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
192 is set and warn about it if flag_schedule_insns is 1.
194 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
196 * config/crx/crx.md: Compare-and-branch instructions need to
199 2005-10-17 Uros Bizjak <uros@kss-loka.si>
202 * config/i386/i386.md (*pushdi2_rex64 splitter)
203 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
204 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
205 flow2 pass only when (optimize > 0 && flag_peephole2).
207 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
210 * gcc.c (have_c): New static variable.
212 (process_command): Remove declation of have_c.
213 Set have_o to 1 when handling -o.
214 (main): Add a fatel error if there are multiple
215 files specified and -o and -c/-S is passed witout
216 -combine or multiple languages.
218 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
220 Fix PR tree-optimization/22444
221 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
222 Assert that we don't hit something with subvars.
223 (setup_pointers_and_addressables): Don't add things with subvars,
224 because we'll already process the subvars for aliasing purposes.
226 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
229 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
230 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
231 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
232 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
233 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
234 swapped, alternatives for the R constraint.
237 * builtins.c (get_builtin_sync_mode): Make unlimited
238 mode_for_size request.
240 2005-10-15 Richard Henderson <rth@redhat.com>
242 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
243 (gimplify_expr): ... here.
244 (gimplify_compound_lval): Use it in initial scan loop. Allow
245 fb_lvalue in base expression.
247 2005-10-15 Richard Henderson <rth@redhat.com>
250 * builtins.c (expand_builtin_trap): Export.
251 * expr.h (expand_builtin_trap): Declare.
252 * expr.c (expand_assignment): Emit a trap for integral offsets
253 from registers that weren't reduced to bitpos.
255 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
256 (mark_array_ref_addressable): Remove.
257 * tree-flow.h (mark_array_ref_addressable): Remove.
258 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
260 2005-10-15 James E Wilson <wilson@specifix.com>
263 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
264 (add_dependence_list_and_free): Likewise.
265 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
268 2005-10-15 Diego Novillo <dnovillo@redhat.com>
272 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
273 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
275 (vrp_visit_phi_node): Only prevent infinite iterations when
276 the previous result and the new result are both VR_RANGEs.
278 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
280 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
283 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
286 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
289 2005-10-14 Per Bothner <per@bothner.com>
291 PR preprocessor/21250
292 * c-ppoutput.c (print_line): Print internal line 0 as 1.
294 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
297 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
298 overflow flags. Refactor some conditionals.
300 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
303 * tree-dfa.c (add_referenced_var): Only look at decls which
304 have TREE_CONSTANT or TREE_READONLY set instead of if
305 !TREE_PUBLIC or !TREE_CONSTANT.
307 2005-10-13 James E Wilson <wilson@specifix.com>
309 * doc/invoke.texi: For -x, add f95-cpp-input.
310 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
312 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
314 PR tree-optimization/24262
315 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
316 in loop all the time.
318 2005-10-12 Richard Henderson <rth@redhat.com>
321 * tree.h (DECL_TRANSPARENT_UNION): Remove.
322 * function.c (assign_parm_find_data_types): Don't support it.
323 * print-tree.c (print_node): Likewise.
324 * c-common.c (handle_transparent_union_attribute): Likewise.
325 Use build_duplicate_type.
326 * tree-inline.c (remap_type_1): Split out of remap_type;
327 properly remap aggregate fields.
328 (build_duplicate_type): New.
329 * doc/extend.texi (Variable Attributes): Remove documentation
330 for transparent_union.
332 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
335 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
336 (gen_stack_pointer_dec): Likewise.
338 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
342 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
344 (struct cxx): Add adjust_class_at_definition target hook.
345 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
346 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
347 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
348 hook_void_tree. Add to TARGET_CXX.
349 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
351 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
352 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
353 instead of attribute. Check for dllexport override. Warn if
354 inconsistent dll linkage. Don't lose old dllimport if decl has
355 had address referenced. Tweak lookup of dllimport atribute.
356 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
357 for target specific rules. Don't add dllimport attribute if
358 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
360 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
361 * varasm.c (initializer_constant_valid_p): Replace
362 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
366 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
367 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
368 (i[34567]86-*-mingw32*): Likewise.
370 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
371 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
373 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
374 C++-specific code. Change return value to bool.
375 (i386_pe_dllimport_p): Likewise.
376 (associated_type): Simplify and make language-independent
377 (i386_pe_encode_section_info): Replace override of ambiguous
378 dllimport symbol refs with a gcc_assert.
379 (i386_pe_valid_dllimport_attribute_p): Define.
380 * config/i386/winnt-cxx.c: New file. Define C++ versions of
381 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
382 i386_pe_adjust_class_at_definition.
383 * config/i386/winnt-stubs.c: New file. Define stub versions of
384 lang-specific functions.
385 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
386 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
387 i386_pe_adjust_class_at_definition.
388 (i386_pe_valid_dllimport_attribute_p): Declare.
389 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
390 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
391 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
394 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
395 dllimport attribute with test of DECL_DLLIMPORT_P.
397 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
399 * combine.c (make_extraction): Correct offset computation.
401 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
403 * config/cris/t-linux (LIMITS_H_TEST): Define.
405 2005-10-12 Richard Henderson <rth@redhat.com>
408 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
410 2005-10-12 Richard Guenther <rguenther@suse.de>
412 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
414 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
417 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
418 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
421 2005-10-12 Richard Guenther <rguenther@suse.de>
424 * varasm.c (output_constant): Correct typo from previous
427 2005-10-11 Ian Lance Taylor <ian@airs.com>
429 PR rtl-optimization/13931
430 * combine.c: Revert patch of 2003-05-14, and:
431 (try_combine): Only set elim_i1 and elim_i2 if the destination is
432 completely killed in the appropriate insn.
433 (distribute_notes): Don't skip multiple hard register test for
436 2005-10-11 Richard Henderson <rth@redhat.com>
439 * c-typeck.c (convert_for_assignment): Use build_constructor_single
440 to initialize a transparent union instead of a nop_expr.
442 2005-10-11 Richard Henderson <rth@redhat.com>
444 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
445 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
446 (tree_ssa_dce_loop): Call scev_reset.
449 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
450 * tree-ssa-dce.c: Include cfgloop.h.
451 (tree_ssa_dce_loop, pass_dce_loop): New.
452 * tree-pass.h (pass_dce_loop): Declare it.
453 * passes.c (init_optimization_passes): Use it.
455 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
458 * convert.c (convert_to_real): Revert 2005-10-05 patch.
459 Only apply the optimization for rounding builtins if the inner
460 cast is also an extension.
462 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
465 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
466 mark_new_vars_to_rename instead of update_stmt.
468 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
470 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
472 2005-10-11 Jakub Jelinek <jakub@redhat.com>
474 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
475 for setting MMX register to 0 rather than mmx.
477 2005-10-10 Steve Ellcey <sje@cup.hp.com>
480 * configure.ac: Move gas check from mips specific case to common case.
481 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
482 * configure: Regenerate
483 * doc/install.texi: Update.
485 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
488 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
490 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
492 * gcc.c (do_spec_1): Accept numeric characters in file name
495 2005-10-10 Nick Clifton <nickc@redhat.com>
497 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
498 describing the deleted arm_gen_rotated_half_load function.
500 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
502 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
505 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
507 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
509 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
510 (EXTRA_MULTILIB_PARTS): Define.
511 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
512 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
513 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
514 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
515 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
516 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
518 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
520 PR tree-optimization/24226
521 * tree-cfg.c (remove_bb): Clean up unreachable loops.
522 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
523 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
526 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
528 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
530 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
533 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
534 Rewrite for no need for the early clobber.
536 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
538 Merge from csl-arm-branch:
539 2005-09-07 Paul Brook <paul@codesourcery.com>
540 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
543 2005-04-30 Paul Brook <paul@codesourcery.com>
544 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
545 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
547 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
548 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
549 (arm_override_options): Use TARGET_AAPCS_BASED.
550 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
551 (PTRDIFF_TYPE): Use int for AAPCS.
552 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
553 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
554 (DEFAULT_SHORT_ENUMS): Delete.
555 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
557 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
558 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
559 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
560 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
562 2004-12-03 Mark Mitchell <mark@codesourcery.com>
563 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
565 2004-11-22 Mark Mitchell <mark@codesourcery.com>
566 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
568 2004-11-19 Mark Mitchell <mark@codesourcery.com>
569 * config.gcc (arm*-*-linux-gnueabi): Add it.
570 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
572 (TARGET_OS_CPP_BUILTINS): Likeiwse.
573 * config/arm/linux-eabi.h: New file.
574 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
575 (LINUX_TARET_LINK_SPEC): Likewise.
577 * config/arm/t-linux-eabi: New file.
579 2005-10-08 Steven Bosscher <stevenb@suse.de>
582 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
584 (PARAM_SMS_DFA_HISTORY): Likewise.
586 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
589 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
590 (load_register_parameters): Call it.
591 (check_sibcall_argument_overlap_1): Likewise.
592 (store_one_arg): Likewise.
594 2005-10-07 James E. Wilson <wilson@specifix.com>
596 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
597 DImode not VECINT24 for operand 2.
600 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
604 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
605 fr_spill): Use destination_operand for operand 0.
607 2005-10-07 DJ Delorie <dj@redhat.com>
609 * varasm.c (output_constant): Limit error to expanding
612 2005-10-07 Richard Guenther <rguenther@suse.de>
615 * fold-const.c (fold_binary): Fix operand types during folding
616 of X op (A, Y). Evaluation order of the side-effects of
617 X and A are frontend-defined, so ensure we honour that even for
618 tcc_comparison class operands; eased by removing duplicate code.
620 2005-10-07 Steve Ellcey <sje@cup.hp.com>
622 * stor-layout.c (layout_type): Do not allow alignment of array
623 elements to be greater than their size.
625 2005-10-07 Steve Ellcey <sje@cup.hp.com>
627 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
629 (hppa*-*-linux*): Ditto.
630 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
631 * config/host-hpux.c: New.
632 * config/x-hpux: New.
633 * config/pa/x-hpux: Remove.
634 * config/pa/x-linux: Remove.
635 * config/pa/pa-host.c: Remove.
637 2005-10-07 Jeff Law <law@redhat.com>
639 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
640 determine whether or not to try and thread outgoing edges.
642 2005-10-07 David Edelsohn <edelsohn@gnu.org>
644 * config/rs6000/rs6000.md (eqsi_power): New.
645 (neg_eq0si): Add TARGET_POWER to final condition.
648 2005-10-06 Richard Henderson <rth@redhat.com>
650 * config/rs6000/rs6000.c: Revert last change.
652 2005-10-06 Richard Henderson <rth@redhat.com>
654 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
655 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
657 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
661 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
662 out return_label and naked_return_label.
664 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
666 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
669 2005-10-06 Richard Henderson <rth@redhat.com>
672 * tree-inline.c (declare_return_variable): Handle modify_dest not
675 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
677 Fix PR tree-optimization/22488
678 * tree-ssa-structalias.c (check_for_overlaps): New function.
679 (create_variable_info_for): Use it.
681 2005-10-06 Richard Henderson <rth@redhat.com>
684 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
685 (dwarf2out_start_source_file): Print it.
687 2005-10-06 Geoffrey Keating <geoffk@apple.com>
689 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
691 2005-10-06 Richard Henderson <rth@redhat.com>
694 * mode-switching.c (optimize_mode_switching): Clear transp bit
695 for block with incomming abnormal edges.
697 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
698 (fpscr_set_from_mem): Use them.
699 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
700 (fpscr postinc splitters): Rewrite as peephole2+split.
702 2005-10-06 David Edelsohn <edelsohn@gnu.org>
704 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
705 (eq<mode>_compare): Same.
707 2005-10-06 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/24238
710 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
712 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
714 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
715 here. Use AC_PATH_PROG for environment variables instead of
717 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
719 * configure: Regenerated.
721 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
724 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
725 then force it into a register.
726 (call_value): Likewise.
728 2005-10-06 Richard Henderson <rth@redhat.com>
731 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
732 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
733 under pass_vectorize.
735 2005-10-05 Devang Patel <dpatel@apple.com>
738 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
739 handling constants. Check NAMESPACE_DECL context for constants.
741 2005-10-05 Eric Christopher <echristo@apple.com>
743 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
745 2005-10-05 Richard Henderson <rth@redhat.com>
748 * tree-cfg.c (mark_array_ref_addressable_1): New.
749 (mark_array_ref_addressable): New.
750 * tree-flow.h (mark_array_ref_addressable): Declare.
751 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
753 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
757 * reload.c (subst_reloads): When adding a REG_LABEL to a
758 jump instruction, also update JUMP_LABEL.
760 2005-10-05 David Edelsohn <edelsohn@gnu.org>
762 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
763 * bb-reorder.c (copy_bb_p): Use it.
764 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
766 2005-10-05 Richard Henderson <rth@redhat.com>
769 * toplev.c (process_options): Warn about unsupported combinations
770 of unwind tables and omit-frame-pointer.
771 * config/i386/i386.c (override_options): Similarly. Enable
772 accumulate-outgoing-args if not explicitly disabled.
774 2005-10-05 Steve Ellcey <sje@cup.hp.com>
776 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
777 Handle big endian vs. small endian.
778 (vec_initv2sf): Handle big endian vs. small endian.
779 (*vec_extractv2sf_1): Ditto.
781 2005-10-05 Dale Johannesen <dalej@apple.com>
783 * convert.c (convert_to_real): Don't convert
784 (float)floor(double d) to floorf((float)d).
786 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
788 * config/arm/arm.md (insv): Use gen_int_mode in more places.
790 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
792 PR tree-optimization/18587
793 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
794 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
795 build_vuses): Change to VEC type.
796 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
797 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
798 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
799 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
800 (get_name_decl): New. Return DECL_UID of base variable.
801 (operand_build_cmp): New. qsort comparison routine.
802 (operand_build_sort_virtual): New. Sort virtual build vector.
803 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
804 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
805 (FINALIZE_BASE): Use get_name_decl.
806 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
807 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
808 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
809 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
810 direct VEC_* manipulations.
811 (build_ssa_operands): Call operand_build_sort_virtual.
812 (copy_virtual_operand, create_ssa_artficial_load_stmt,
813 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
814 with direct VEC_* manipulations.
815 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
816 with direct VEC manipulations.
818 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
820 PR tree-optimization/21419
821 PR tree-optimization/24146
822 PR tree-optimization/24151
824 * c-typeck.c (readonly_error): Handle USE being lv_asm.
825 (build_asm_expr): Call it if outputs are read-only.
826 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
828 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
829 Paolo Bonzini <bonzini@gnu.org>
833 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
834 enable the instructions and not just the built-ins.
835 * doc/invoke.texi (x86 Options): Likewise.
837 2005-10-04 Geoffrey Keating <geoffk@apple.com>
839 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
841 * doc/invoke.texi (Option Summary): Correct spelling
842 of -mmacosx-version-min.
844 2005-10-04 Devang Patel <dpatel@apple.com>
846 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
849 2005-10-04 Steve Ellcey <sje@cup.hp.com>
851 * tree-vect-transform.c (vect_create_epilog_for_reduction):
852 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
854 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
856 * config/s390/s390.md ("TDSI","DP"): New mode macros.
857 ("TE","tg"): New mode attributes.
858 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
859 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
860 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
861 dword_mode and one for GPRmode.
863 2005-10-04 Ian Lance Taylor <ian@airs.com>
865 PR preprocessor/13726
866 * c-ppoutput.c (cb_include): Add comments parameter, and print out
867 any comments passed in.
869 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
871 * tree.c (annotate_with_file_line): Fix typo.
873 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
876 * builtins.c (fold_builtin_memcmp): When constructing the pointer
877 type used to access data in the inlined length == 1 case, use
878 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
879 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
881 2005-10-04 Uros Bizjak <uros@kss-loka.si>
883 * config/i386/i386.h (TARGET_FISTTP): Enable also for
884 TARGET_SSE3 and only for TARGET_80387.
885 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
886 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
887 Do not depend on TARGET_80387.
889 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
891 * tree.c (last_annotated_node): Change type to location_t*.
892 (annotate_with_file_line): Reflect the change of
893 last_annotated_node type.
895 2005-10-04 Richard Guenther <rguenther@suse.de>
898 * c-decl.c (grokdeclarator): Don't write to fields
901 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
904 * c-decl.c (finish_decl): Use set_user_assembler_name even for
906 * varasm.c (make_decl_rtl): If a register variable does not
907 have a set user assmbler name, error out.
908 Decode the asmspec is now name+1 bypassing '*'.
910 2005-10-04 Steven Bosscher <stevenb@suse.de>
912 PR tree-optimization/23049
913 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
914 of a COND_EXPR is folded before calling fold on the whole rhs of a
915 conditional assignment.
916 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
917 document that a COND_EXPR may appear there.
919 2005-10-03 Diego Novillo <dnovillo@redhat.com>
922 * tree-vrp.c (extract_range_from_assert): If the new numeric
923 range created out of the assertion contradicts the existing
924 numeric range of the ASSERT_EXPR variable, make the new range
927 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
929 * config/sh/sh.c (sh_register_move_cost): Add case for moving
930 from T_REGS to FP register class.
932 2005-10-03 Richard Henderson <rth@redhat.com>
935 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
936 before creating a new one.
938 2005-10-03 David Edelsohn <edelsohn@gnu.org>
940 * config/rs6000/t-aix43 (LDFLAGS): New.
941 * config/rs6000/t-aix52 (LDFLAGS): New.
943 2005-10-03 Ian Lance Taylor <ian@airs.com>
945 * gimplify.c (find_single_pointer_decl_1): New static function.
946 (find_single_pointer_decl): New static function.
947 (internal_get_tmp_var): For a formal variable, set restrict base
948 information if appropriate.
949 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
951 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
952 (DECL_GET_RESTRICT_BASE): Define.
953 (SET_DECL_RESTRICT_BASE): Define.
954 (decl_restrict_base_lookup): Declare.
955 (decl_restrict_base_insert): Declare.
956 (struct tree_decl_with_vis): Add based_on_restrict_p field.
957 * tree.c (restrict_base_for_decl): New static variable.
958 (init_ttree): Initialize restrict_base_for_decl.
959 (copy_node_stat): Copy restrict base information.
960 (decl_restrict_base_lookup): New function.
961 (decl_restrict_base_insert): New function.
962 (print_restrict_base_statistics): New static function.
963 (dump_tree_statistics): Call print_restrict_base_statistics.
965 2005-10-02 Diego Novillo <dnovillo@redhat.com>
968 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
971 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
974 * c-typeck.c (tagged_tu_seen): Rename to ...
975 (tagged_tu_seen_cache): this and add val field.
976 (comptypes): Move functional to comptypes_internal
977 and free tagged_tu_seen.
978 (comptypes_internal): New function and call comptypes_internal
979 instead of comptypes. Speed up by sibcalling
980 tagged_types_tu_compatible_p.
981 (alloc_tagged_tu_seen): New function
982 (free_all_tagged_tu_seen_up_to): New function.
983 (tagged_types_tu_compatible_p): Return the val of the seen two
985 Add that the two types are the same to tagged_tu_seen_base
986 if they are and call comptypes_internal instead of comptypes.
987 <case UNION_TYPE>: Speed up common type where the fields are
989 (function_types_compatible_p): Call comptypes_internal instead of
991 (type_lists_compatible_p): Likewise.
992 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
994 2005-10-02 Matthias Klose <doko@debian.org>
996 * doc/invoke.texi: Fix typo and speling error.
998 2005-10-01 Richard Henderson <rth@redhat.com>
1000 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1002 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1004 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1005 using --start-group and --end-group.
1007 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1009 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1010 FIXME note regarding quirky semantics.
1012 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1015 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1016 non-null range as a last resort.
1018 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1019 Diego Novillo <dnovillo@redhat.com>
1022 * tree-vrp.c (extract_range_from_assert): For !=
1023 assertions, only build an anti-range if LIMIT is a
1024 single-valued range.
1026 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1028 * arm.md (movqi): On thumb when optimizing, handle loading from
1029 memory by describing this as taking a subreg of a zero-extended load
1030 into an SImode register.
1033 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1035 * reload1.c (merge_assigned_reloads): Do not change any
1036 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1038 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1040 * Makefile.in (LIPO_FOR_TARGET): Define.
1041 (STRIP_FOR_TARGET): Define.
1043 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1044 before creating new ones. Do symlinks before creating the actual
1047 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1048 to work out which multilibs are actually being built.
1050 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1052 * tree-vect-transform.c, config/ms1/ms1.md,
1053 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1054 Follow spelling conventions.
1055 * doc/invoke.texi, doc/md.texi: Fix typos.
1057 2005-09-30 Andrew Macleod <amacleod@redat.com>
1059 PR tree-optimization/21430
1060 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1061 use operands, and set stmt pointer if need be.
1062 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1063 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1066 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1069 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1071 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1073 * optabs.c (expand_binop): Initialize first_pass_p.
1075 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1078 * c-decl.c (c_write_global_declarations_1): If any
1079 wrapup_global_declaration_2 call returned true, restart the loop.
1081 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1083 Fix PR tree-optimization/24117
1084 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1085 before considering whether to use anyoffset.
1087 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1091 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1093 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1095 (swap_commutative_operands_with_target): New.
1097 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1100 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1103 2005-09-29 Steven Bosscher <stevenb@suse.de>
1105 PR tree-optimization/23911
1106 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1107 and IMAGPART_EXPR too.
1109 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1112 * expmed.c (expand_shift): Move logic to reverse rotation
1113 direction when rotating by constants ...
1114 * optabs.c (expand_binop): ... here.
1115 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1116 (ix86_rotrdi3): New pattern.
1117 (rotldi3): Handle 32-bit mode.
1118 (ix86_rotldi3): New pattern.
1120 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1123 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1124 check for numbers that need no bit twiddle.
1126 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1128 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1129 multilib to be built.
1131 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1132 (stage1-start): Delete old libgcc and libunwind before moving
1133 anything into the stage directory.
1134 (stage2-start): Likewise.
1135 (stage3-start): Likewise.
1136 (stage4-start): Likewise.
1137 (stageprofile-start): Likewise.
1138 (stagefeedback-start): Likewise.
1139 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1140 header in tm_file and CPU-specific t-darwin in tmake_file.
1141 (i[34567]86-*-darwin*): Don't change tm_file.
1142 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1143 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1144 shared library stub for target OS version.
1145 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1146 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1147 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1148 (libgcc_s.%.dylib): New.
1150 (install-darwin-libgcc-stubs): New.
1151 (INSTALL_LIBGCC): New append.
1152 * config/i386/darwin-libgcc.10.4.ver: New.
1153 * config/i386/darwin-libgcc.10.5.ver: New.
1154 * config/i386/t-darwin: New.
1155 * config/rs6000/darwin-libgcc.10.4.ver: New.
1156 * config/rs6000/darwin-libgcc.10.5.ver: New.
1157 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1158 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1160 2005-09-28 Paul Brook <paul@codesourcery.com>
1162 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1165 2005-09-28 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/23853
1168 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1169 host_integerp to verify misalignment value.
1171 2005-09-28 Richard Henderson <rth@redhat.com>
1173 * builtins.c (get_builtin_sync_mode): New.
1174 (expand_builtin_sync_operation): Pass in mode argument.
1175 (expand_builtin_compare_and_swap): Likewise.
1176 (expand_builtin_lock_test_and_set): Likewise.
1177 (expand_builtin_lock_release): Likewise.
1178 (expand_builtin): Update to match.
1180 2005-09-28 Nick Clifton <nickc@redhat.com>
1182 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1183 formatting. Add check to PLUS case to ensure that the offset is
1184 within an acceptable range.
1186 * config/v850/v850.md (casesi): Disable the generation of the
1187 switch pattern as it is not being handled properly at the moment.
1189 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1190 for when the high words are identical.
1192 2005-09-27 Richard Henderson <rth@redhat.com>
1194 * pretty-print.c (pp_base_format): Fix typo for %>.
1196 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1197 Devang Patel <dpatel@apple.com>
1199 PR tree-optimization/23625
1200 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1201 LABEL_EXPR, assertion check.
1203 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1205 * optabs.c (no_conflict_move_test): Check if a result of a
1206 to-be-moved insn would be clobbered by an originally
1209 2005-09-27 Jeff Law <law@redhat.com>
1211 * passes.c (init_optimization_passes): Replace copy propagation
1212 passes immediately after DOM with phi-only copy propagation
1213 pases. Add phi-only copy propagation pass after first DOM pass.
1214 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1215 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1216 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1217 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1218 to init_copy_prop. Callers updated.
1219 (do_phi_only_copy_prop): New function.
1220 (pass_phi_only_copy_prop): New pass descriptor.
1222 2005-09-27 Nick Clifton <nickc@redhat.com>
1224 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1226 2005-09-26 Jason Merrill <jason@redhat.com>
1229 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1231 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1233 2005-09-26 James E Wilson <wilson@specifix.com>
1235 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1236 copyright. Add gcc copyright plus libgcc exception.
1237 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1239 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1241 2005-09-26 Jeff Law <law@redhat.com>
1243 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1244 about when to iterate.
1246 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1249 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1250 for __complex__ double in -mcpu=G5 mode.
1252 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1254 PR tree-optimization/23942
1255 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1256 * tree-scalar-evolution.c: Include params.h.
1258 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1259 follow_ssa_edge_in_condition_phi_branch,
1260 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1261 Change return type to t_bool. Use a parameter to limit the size of
1262 trees that are walked before stopping
1263 (analyze_evolution_in_loop): Initialize the limit to 0.
1264 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1265 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1267 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1270 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1271 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1273 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1275 * combine.c (make_extraction): Check for valid use of subreg.
1277 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1280 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1281 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1282 ("fist<mode>2_with_temp"): Use only register operands.
1284 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1286 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1287 CALL_INSN_FUNCTION_USAGE.
1289 2005-09-26 Richard Guenther <rguenther@suse.de>
1292 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1293 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1294 (ldst_entry): Use the hashtable instead of list-walking.
1295 (find_rtx_in_ldst): Likewise.
1296 (free_ldst_entry): Free the hashtable.
1297 (compute_ld_motion_mems): Create the hashtable.
1298 (trim_ld_motion_mems): Remove entry from hashtable if
1299 removing it from list.
1300 (compute_store_table): Likewise^2.
1301 (store_motion): Free hashtable in case we did not see
1304 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1306 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1307 and arg1 if we are passing them to fold_build2.
1309 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1312 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1315 2005-09-25 Richard Henderson <rth@redhat.com>
1317 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1318 SYMBOL_REF_TLS_MODEL to be correct.
1320 2005-09-24 Richard Henderson <rth@redhat.com>
1322 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1323 end of function. Reindent.
1325 2005-09-24 Ian Lance Taylor <ian@airs.com>
1327 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1328 NEGATE_EXPR/BIT_NOT_EXPR case.
1330 2005-09-24 Richard Henderson <rth@redhat.com>
1332 * c-common.c (handle_mode_attribute): When not modifying in place,
1333 create subtypes for enumerations.
1334 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1335 * gimplify.c (create_tmp_from_val): Likewise.
1337 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1339 * config/i386/i386.md (*tls_global_dynamic_64,
1340 *tls_local_dynamic_base_64): Add missing mode to call.
1341 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1343 2005-09-24 Jan Hubicka <jh@suse.cz>
1345 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1346 (cgraph_clone_node): Likewise.
1347 * cgraph.h (cgraph_clone_edge): Update prototype.
1348 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1349 duplicated prototypes; add updating argument.
1350 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1351 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1353 (cgraph_mark_inline_edge): Likewise.
1354 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1355 (cgraph_flatten_node): Likewise.
1356 (cgraph_decide_recursive_inlining): Likewise.
1357 (cgraph_decide_inlining_of_small_function): Likewise.
1358 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1360 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1361 Pete Steinmetz <steinmtz@us.ibm.com>
1363 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1364 (rldic.): Set type to "compare".
1366 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1367 mfjmpr for MFCTR/MFLR.
1368 (movdf_hardfloat64): Same.
1369 (movdf_softfloat64): Same. Correct order of store and move types.
1370 (movti_string): Set type to store_ux/load_ux.
1371 (load_multiple): Set type to load_ux.
1372 (store_multiple): Set type to store_ux.
1373 (movmemsi): Set type to store_ux.
1374 (output_cbranch direct_return): Set type to jmpreg.
1375 (stmw): Set type to store_ux.
1376 (lmw): Set type to load_ux.
1377 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1378 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1379 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1380 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1381 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1382 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1383 (rios1-fpstore): Increase latency to 3.
1384 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1385 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1387 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1388 Andrew Pinski <pinskia@physics.uc.edu>
1390 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1391 operand2 constraint to "b".
1392 (sync_<fetchop_name>di_internal): Same.
1393 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1395 (sync_old_<fetchop_name>di_internal): Same.
1396 (sync_new_<fetchop_name>si_internal): Same.
1397 (sync_new_<fetchop_name>di_internal): Same.
1399 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1402 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1403 case, define as macros.
1405 PR rtl-optimization/23837
1406 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1407 clobber / clobber match between dest and p->first.
1409 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1410 (no_conflict_move_test): Update comments.
1412 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1414 * doc/install.texi: Update URL for Jacks.
1415 * doc/sourcebuild.texi: Likewise.
1417 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1420 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1421 registers when choosing register preferences.
1422 (movdf_hardfloat64): Same.
1424 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1426 * expmed.c (expand_shift): Don't use the target of the rotate as
1427 target for the first expanded shift insn.
1428 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1430 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1432 PR tree-optimization/22438
1433 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1434 preserved iv rhs rewriting specially.
1436 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1438 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1439 estimate_only is true.
1440 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1441 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1442 tree-ssa-structalias.c
1443 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1444 ref_contains_indirect_ref.
1445 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1447 2005-09-21 DJ Delorie <dj@redhat.com>
1449 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1451 (mn10300_return_in_memory): Support variable size types also.
1452 (mn10300_pass_by_reference): Likewise.
1453 (mn10300_function_value): New.
1454 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1455 (FUNCTION_OUTGOING_VALUE): Likewise.
1456 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1457 * doc/invoke.texi: Document it.
1459 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1462 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1463 force integer op1 into register for XFmode compares.
1465 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1468 * expmed.c (alg_code): Add alg_impossible.
1469 (alg_hash_entry): Add cost.
1470 (synth_mult): Record alg_impossible in the hash table if
1471 multiplication by a given integer is impossble within the
1472 limit. Speed up using alg_impossible.
1474 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1476 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1477 argument. Allow and set any offset if needs_anyoffset is passed
1479 (get_constraint_for): Add argument here too.
1481 (do_structure_copy): Pass NULL to get_constraint_for.
1482 (handle_ptr_arith): Ditto.
1483 (find_func_aliases): Ditto.
1485 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1487 PR rtl-optimization/23898
1488 * output.h (get_attr_min_length): Declare.
1489 * final.c (get_attr_length_1): New function, broken out of:
1491 (get_attr_min_length): New function.
1492 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1493 (duplicate_computed_gotos): Likewise.
1494 * genattr.c (insn_min_length): Generate declaration.
1495 * genattrtab.c (min_fn, min_attr_value): New functions.
1496 (make_length_attrs): Generate insn_min_length.
1498 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1500 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1502 2005-09-20 Richard Henderson <rth@redhat.com>
1504 PR tree-optimization/24059
1505 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1508 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1510 * c.opt (fextended-identifiers): New.
1511 * c-opts.c (c_common_handle_option): Handle
1512 -fextended-identifiers.
1513 * doc/cpp.texi: Update documentation of extended identifiers.
1514 * doc/cppopts.texi (-fextended-identifiers): Document.
1516 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1518 PR tree-optimization/23929
1519 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1522 PR tree-optimization/23818
1523 * tree-stdarg.c (execute_optimize_stdarg): Call
1524 calculate_dominance_info.
1526 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1528 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1529 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1530 (compute_overlap_steps_for_affine_1_2): Use
1531 get_number_of_iters_for_loop.
1532 (analyze_subscript_affine_affine): Check whether difference is
1534 Use get_number_of_iters_for_loop.
1535 Check whether overlap occurs outside of bounds.
1536 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1538 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1540 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1541 base register if possible.
1543 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1545 PR tree-optimization/18463
1546 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1547 converting it directly is not possible.
1548 (chrec_convert_aggressive): New function.
1549 * tree-chrec.h (chrec_convert_aggressive): Declare.
1550 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1551 Fold chrec conversions aggressively if asked to.
1552 (instantiate_parameters): Modified because of changes in
1553 instantiate_parameters_1.
1555 2005-09-19 Richard Henderson <rth@redhat.com>
1557 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1558 (reduc_splus_v2df): New.
1560 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1562 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1563 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1565 2005-09-19 Richard Henderson <rth@redhat.com>
1567 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1570 2005-09-19 Richard Henderson <rth@redhat.com>
1572 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1573 (ia64_expand_dot_prod_v8qi): New.
1574 * config/ia64/ia64-protos.h: Update.
1575 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1576 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1577 sdot_prodv8qi, sdot_prodv4hi): New.
1578 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1580 2005-09-19 Richard Henderson <rth@redhat.com>
1583 * real.c (exact_real_truncate): Return false if the format cannot
1584 represent the number as a normal.
1586 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1587 for a memory source.
1589 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1591 * tree-ssa-operands.c (swap_tree_operands): Export.
1592 * tree.h (swap_tree_operands): Declare.
1593 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1594 Call swap_tree_operands.
1596 2005-09-19 Richard Henderson <rth@redhat.com>
1598 * tree-flow.h (merge_alias_info): Declare.
1599 * tree-ssa-copy.c (merge_alias_info): Export.
1600 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1601 (vect_create_data_ref_ptr): Use create_iv directly.
1602 (vectorizable_load): Use correct types for integer constants.
1603 (vect_generate_tmps_on_preheader): Likewise.
1604 (vect_gen_niters_for_prolog_loop): Likewise.
1606 2005-09-19 Steven Bosscher <stevenb@suse.de>
1608 PR rtl-optimization/23943
1609 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1611 2005-09-18 Jan Hubicka <jh@suse.cz>
1613 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1615 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1617 * varasm.c (output_constant): Do not abort on conversions to union
1618 types between different sizes.
1620 2005-09-18 Richard Guenther <rguenther@suse.de>
1623 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1626 2005-09-18 Paul Brook <paul@codesourcery.com>
1628 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1630 2005-09-17 Richard Henderson <rth@redhat.com>
1632 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1633 * tree-ssa-loop.c (pass_vect_dce): Remove.
1634 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1637 2005-09-17 Richard Henderson <rth@redhat.com>
1639 * tree-pass.h (pass_vect_dce): Declare.
1640 * passes.c (init_optimization_passes): Add it.
1641 * tree-flow.h (tree_ssa_dce): Declare.
1642 * tree-ssa-dce.c (tree_ssa_dce): Export.
1643 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1644 (gate_tree_vectorize): ... here.
1645 (pass_vect_dce): New.
1647 2005-09-17 Jan Hubicka <jh@suse.cz>
1649 * except.c (struct eh_status): Turn region_array into vec.
1650 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1651 convert_from_eh_region_ranges, find_exception_handler_labels,
1652 current_function_has_exception_handlers, assign_filter_values,
1653 build_post_landing_pads, dw2_build_landing_pads,
1654 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1655 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1656 foreach_reachable_handler, can_throw_internal_1,
1657 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1659 (duplicate_eh_region_1): Update region_array.
1660 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1662 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1665 * expmed.c (expand_mult): Substitute simple register for op0 when
1668 2005-09-17 Richard Henderson <rth@redhat.com>
1670 * expr.c (emit_move_via_integer): Add force argument, pass it on
1671 to emit_move_change_mode. Update callers.
1672 (emit_move_complex): Pass true to new force argument.
1673 * function.c (expand_function_end): Move expand_eh_return call
1674 earlier. Merge sub-word complex values into a pseudo before
1675 copying to the return hard register.
1677 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1679 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1680 between different sizes.
1682 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1686 * passes.c (init_optimization_passes): Register dump files for
1689 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1691 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1692 * config/s390/s390.c (s390_overlap_p): New function.
1693 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1694 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1697 2005-09-16 Richard Guenther <rguenther@suse.de>
1699 * ipa-pure-const.c (static_execute): Free auxiliar information.
1700 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1701 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1703 2005-09-15 DJ Delorie <dj@redhat.com>
1705 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1707 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1709 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1711 (swap_commutative_operands_with_target): New.
1713 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1715 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1718 (estimate_iters_using_array): New function.
1719 * tree-data-ref.h (estimate_iters_using_array): Prototype
1720 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1721 Use estimate_iters_using_array instead of analyze_array.
1723 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1725 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1728 2005-09-15 Michael Matz <matz@suse.de>
1730 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1732 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1734 PR tree-optimization/23835
1735 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1736 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1738 2005-09-14 Richard Henderson <rth@redhat.com>
1740 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1741 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1743 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1745 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1746 in the ARRAY_TYPE case.
1748 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1750 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1752 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1755 * tree-vect-transform.c (vectorizable_operation): Return false for
1756 scalar shift operations and for vector shift operations with
1757 non-invariant shift arguments. Use scalar tree operand op1 as
1758 a shift operand when vector shift insn pattern uses scalar shift
1760 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1762 2005-09-14 Olivier Hainque <hainque@adacore.com>
1764 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1765 value if it has side-effects.
1767 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1770 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1772 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1774 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1775 passed as NAME as if it were label at start of function code.
1777 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1779 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1782 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1784 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1785 as early clobber. Rewrite so the PIC register is not implicitly used.
1787 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1789 * tree.c (annotate_with_file_line): Compare line numbers before
1792 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1795 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1796 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1798 2005-09-13 Ian Lance Taylor <ian@airs.com>
1800 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1801 than a HOST_WIDEST_INT to gen_doloop_begin.
1803 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1805 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1807 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1809 PR tree-optimize/23817
1810 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1812 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1815 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1816 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1817 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1818 (restore_stack_nonlocal): Likewise.
1819 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1821 2005-09-12 Ian Lance Taylor <ian@airs.com>
1824 * c.opt (ffriend-injection): New C++ option.
1825 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1826 (C++ Dialect Options): Document -ffriend-injection.
1828 2005-09-12 Josh Conner <jconner@apple.com>
1831 * ipa-reference.c (static_execute): Don't mark variables in
1832 named sections TREE_READONLY.
1834 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1836 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1839 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1841 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1842 V_MUST_DEF instead of just the first_use_p.
1843 Don't mark the virtual variables for renaming on the statement which
1845 (pass_dse): Remove TODO_update_ssa.
1847 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1850 * stor-layout.c (compute_record_mode): For records with a single
1851 field, actually check the field's mode size against the type size.
1853 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1854 registers for TARGET_SHMEDIA.
1855 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1856 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1857 of GENERAL_REGS and FP_REGS.
1859 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1861 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1863 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1865 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1866 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1867 are omitted. Exclude stack_tie insn too.
1869 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1871 PR rtl-optimization/23098
1872 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1874 * config/rs6000/rs6000.md (movdf splitter): Use
1875 const_double_operand predicate for TARGET_POWERPC64.
1876 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1877 SYMBOL_REF method to ABI_V4.
1879 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1880 replace_equiv_address.
1881 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1882 rs6000_sr_alias_set and MEM_NOTRAP.
1883 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1885 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1887 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1888 handle CALL_EXPR again.
1890 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1892 * arm/predicates.md (alignable_memory_operand): Delete.
1894 2005-09-10 Richard Henderson <rth@redhat.com>
1897 * dbxout.c (dbxout_expand_expr): New.
1898 (dbxout_symbol): Use it.
1900 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1902 * arm.c (arm_gen_rotated_half_load): Delete.
1903 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1904 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1905 (thumb_set_return_address): Likewise.
1906 (thumb_load_double_from_address): Use adjust_address.
1907 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1908 (extendhsisi2_mem, movhi_bytes): Use change_address.
1909 (movhi): Use widen_memory_access.
1910 (reload_out_df): Use replace_equiv_address.
1911 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1913 2005-09-09 Richard Henderson <rth@redhat.com>
1916 * dbxout.c: Include expr.h.
1917 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1918 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1919 * Makefile.in (dbxout.o): Add EXPR_H.
1921 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1923 PR tree-optimization/23509
1924 * tree-cfg.c (replace_uses_by): Use replace_exp.
1925 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1926 pointers have name_mem_tag or type_mem_tag set.
1928 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1930 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1931 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1932 of wrongly accessing operands.
1934 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1936 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1937 * tree-chrec.c: Include tree-scalar-evolution.h.
1938 (chrec_convert): Instantiate the base and step before calling
1939 scev_probably_wraps_p that would fail on parametric evolutions.
1940 Collect all the fails into a single section failed_to_convert,
1941 print a diagnostic, and return chrec_dont_know instead of calling
1943 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1944 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1946 (scev_const_prop): Don't replace the definition of a loop closed ssa
1947 phi node by itself, or by another loop closed ssa phi node.
1948 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1949 that base and step are defined.
1951 2005-09-09 Richard Guenther <rguenther@suse.de>
1954 * fold-const.c (fold_ternary): Check truth_value_p before
1955 calling invert_truthvalue.
1957 2005-09-09 Nick Clifton <nickc@redhat.com>
1959 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1960 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1961 dimension of these arrays.
1962 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1964 * longlong.h: Only provide a prototype for the __clz_tab[] array
1965 if this header has not been included from libgcc2.h.
1966 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1968 Provide prototypes for exported functions.
1969 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1972 2005-09-08 Josh Conner <jconner@apple.com>
1976 * expr.c (expand_expr_addr_expr_1): Don't invoke
1977 expand_simple_binop for EXPAND_INITIALIZER.
1979 2005-09-08 Richard Henderson <rth@redhat.com>
1982 * toplev.c (wrapup_global_declaration_1): Split out ...
1983 (wrapup_global_declaration_2): ... from ...
1984 (wrapup_global_declarations): ... here. Return bool.
1985 (check_global_declaration_1): Split out ...
1986 (check_global_declarations): from here.
1987 (emit_debug_global_declarations): New.
1988 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1989 check_global_declaration_1, emit_debug_global_declarations): Declare.
1990 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1991 of decls. Call wrapup_global_declaration_1,
1992 wrapup_global_declaration_2, check_global_declaration_1 directly.
1993 (c_write_global_declarations_2): New.
1995 (c_write_global_declarations): Call c_write_global_declarations_2.
1996 * langhooks.c (write_global_declarations): Call
1997 emit_debug_global_declarations.
1999 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2000 remove decls that have DECL_RTL_SET_P.
2001 * passes.c (rest_of_decl_compilation): Invoke
2002 cgraph_varpool_finalize_decl for all but functions.
2004 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2006 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2007 the result of a conversion if the new min and max cannot be compared.
2009 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2011 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2012 (override_options): Setting s390_sr_alias_set removed.
2013 (save_fpr, save_gprs): Set alias set to vararg or frame.
2014 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2015 s390_sr_alias_set with get_frame_alias_set ().
2016 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2017 get_varargs_alias_set ().
2019 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2023 * c-parser.c (c_parser_objc_method_definition): If the next
2024 token is not "{", error out and don't start the function.
2026 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2028 * tree-vrp.c (extract_range_from_expr): Move the check for non
2029 nullness after the check for gimple invariant.
2031 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2033 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2035 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2038 * config/m32r.md (movmemsi_internal): Canonicalize order of
2039 operands in PLUS component of template.
2041 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2043 * reload1.c (fixup_eh_region_note): Remove assertion.
2044 (fixup_abnormal_edges): Reverted removal of call to
2045 find_many_sub_basic_blocks made on 2005-08-31.
2047 2005-09-07 Richard Henderson <rth@redhat.com>
2049 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2050 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2051 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2052 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2053 rearrange for better packing.
2054 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2055 (lookup_cfa_1): Remove inline marker.
2056 (cfa_equal_p): Split out of ...
2057 (def_cfa_1): ... here. Use INVALID_REGNUM.
2058 (build_cfa_loc): Handle !cfa->indirect.
2059 (frame_pointer_cfa_offset): New.
2060 (dbx_reg_number): Assert register elimination performed; do
2061 leaf register remapping.
2062 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2063 (eliminate_reg_to_offset): New.
2064 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2065 for verifiably local stack frame addresses; re-base to CFA.
2066 (mem_loc_descriptor): Remove can_use_fbreg argument.
2067 (concat_loc_descriptor, loc_descriptor): Likewise.
2068 (containing_function_has_frame_base): Remove.
2069 (rtl_for_decl_location): Don't do register elimination or
2070 leaf register remapping here.
2071 (secname_for_decl): Split out from ..
2072 (add_location_or_const_value_attribute): ... here.
2073 (convert_cfa_to_loc_list): New.
2074 (compute_frame_pointer_to_cfa_displacement): New.
2075 (gen_subprogram_die): Use them.
2076 * tree.h (frame_base_decl): Remove.
2077 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2078 (prologue_stack_adjust): Remove.
2079 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2080 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2081 (set_frame_base_location): Remove.
2082 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2083 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2084 (vt_add_function_parameters): Don't eliminate_regs.
2085 (vt_initialize): Don't create frame_base_decl.
2087 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2089 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2090 version of GNU binutils for 4.x and later.
2092 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2094 * ggc-page.c (ggc_push_context): Remove.
2095 (ggc_pop_context): Likewise.
2096 * ggc.h (ggc_push_context): Remove.
2097 (ggc_pop_context): Likewise.
2099 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2102 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2103 returning from an interrupt handler.
2105 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2108 * config/arc/arc.c (output_shift): Add check for loop count when
2111 2005-09-06 Steven Bosscher <stevenb@suse.de>
2113 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2115 (abs_replacement): Likewise.
2116 (pass_phiopt): Remove TODO_update_ssa.
2118 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2121 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2122 if "return with no value, in function returning non-void" warning
2124 * tree-cfg.c (execute_warn_function_return): Don't look at
2125 RETURN_EXPRs with TREE_NO_WARNING set.
2128 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2129 for internal functions doesn't use registers used by global registers
2130 variables. Use fewer register parameters if there are global register
2133 2005-09-06 Olivier Hainque <hainque@adacore.com>
2134 Eric Botcazou <ebotcazou@adacore.com>
2137 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2138 when we would be extracting outside its bit span (bitpos+bitsize
2139 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2140 Ada unchecked conversions.
2142 2005-09-06 Steven Bosscher <stevenb@suse.de>
2144 * tree-ssa-pre.c (try_look_through_load): New function.
2145 (compute_avail): Use it to try to look through loads for some
2146 more useful expressions.
2148 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2150 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2151 condition for detecting cases like (a&a) and (a^a).
2153 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2155 * common.opt: Add option ftree-vect-loop-version.
2156 * params.def: Add --param vect-max-version-checks.
2157 * doc/invoke.texi: Document ftree-vect-loop-version and
2158 --param vect-max-version-checks.
2159 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2160 may_misalign_stmts and defines for accessors.
2161 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2162 LOOP_VINFO_MAY_MISALIGN_STMTS.
2163 (destroy_loop_vec_info): VEC_free for
2164 LOOP_VINFO_MAY_MISALIGN_STMTS.
2165 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2166 Update documentation.
2167 (vect_update_misalignment_for_peel): New.
2168 (vect_enhance_data_refs_alignment): Update to choose loop
2169 peeling or loop versioning if appropriate for the (potentially)
2170 unaligned data references in the loop.
2171 (vect_analyze_data_refs_alignment): Remove call to
2172 vect_enhance_data_refs_alignment so the checks can be done
2174 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2175 and move up call to vect_analyze_data_refs_alignment.
2176 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2177 (vect_transform_loop): Add call to loop_version.
2179 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2181 PR rtl-optimization/23098
2182 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2183 * simplify-rtx.c (constant_pool_reference_p): New function.
2184 * rtl.h (constant_pool_reference_p): New prototype.
2185 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2186 constant_pool_reference_p in condition and
2187 avoid_constant_pool_reference in preparation statements.
2189 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2191 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2192 STRICT_LOW_PART SETs.
2194 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2197 * except.c (sjlj_emit_function_enter): Find the function begin
2198 note even when it's not in first basic block.
2200 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2202 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2203 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2204 * aclocal.m4: Regenerate.
2206 2005-09-05 DJ Delorie <dj@redhat.com>
2208 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2211 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2213 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2214 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2215 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2216 Follow spelling conventions.
2217 * doc/invoke.texi: Follow spelling conventions.
2219 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2221 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2222 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2223 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2225 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2228 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2229 (output_stack_adjust): Use gen_tmp_stack_mem.
2230 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2231 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2232 (sh_get_pr_initial_val): Likewise.
2233 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2234 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2235 * sh.md (divsi_inv_m0): Use gen_const_mem.
2236 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2237 (movdf_i4+1): Use gen_tmp_stack_mem.
2238 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2239 (fpu_switch+2): Likewise.
2240 (movv4sf_i, movv16sf_i): Use adjust_address.
2241 (symGOT_load): Set MEM_NOTRAP_P bit.
2243 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2246 * pa.c (emit_move_sequence): Fix typo in last change.
2248 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2250 PR rtl-optimization/23454
2251 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2254 2005-09-03 Richard Henderson <rth@redhat.com>
2255 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2258 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2261 2005-09-02 Nicolas Pitre <nico@cam.org>
2263 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2264 to bit_count to 32 bits.
2266 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2269 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2270 generating synthetic loads from volatile lvalues.
2272 005-09-02 Nick Clifton <nickc@redhat.com>
2274 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2275 __ctzhi2, __clzhi2): New functions.
2277 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2280 * tree-nested.c (struct var_map_elt): Mark with GTY.
2281 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2283 (lookup_field_for_decl): Allocate new element in GC memory.
2284 (lookup_tramp_for_decl): Likewise.
2285 (convert_nl_goto_reference): Likewise
2286 (create_nesting_tree): Allocate info in GC memory. Likewise for
2288 (free_nesting_tree): Free with ggc_free instead of free.
2289 (root): New static variable.
2290 (lower_nested_functions): Remove root as local variable. And zero out
2291 root at the end of the function.
2293 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2295 PR rtl-optimization/20365
2296 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2297 to short. New member ix.
2298 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2299 (simplify_plus_minus): Initialize ix members before calling qsort.
2301 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2303 PR tree-optimization/23626
2304 * tree-cfg.c (replace_uses_by): Clean up eh info.
2306 2005-09-01 DJ Delorie <dj@redhat.com>
2308 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2311 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2313 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2314 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2317 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2319 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2320 do not issue warning for a variable definition following
2323 2005-09-01 Richard Henderson <rth@redhat.com>
2326 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2327 conversion to CONST_VECTOR.
2329 2005-09-01 Richard Henderson <rth@redhat.com>
2332 * reload1.c (reload_as_needed): Check !CALL_P before calling
2333 fixup_eh_region_note.
2334 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2336 2005-09-01 DJ Delorie <dj@redhat.com>
2338 * varasm.c (output_constant): Let the target resolve
2339 conversions of addresses to non-default pointer sizes.
2341 2005-09-01 Nicolas Pitre <nico@cam.org>
2343 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2344 to alow matching ARM pre-indexed addressing mode.
2345 (arm_override_options): Remove now irrelevant comment.
2347 2005-09-01 Phil Edwards <phil@codesourcery.com>
2349 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2350 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2351 * config/i386/vxworks.h: Likewise.
2352 * config/i386/t-vxworksae: New file, for VxWorks AE.
2353 * config/i386/vxworksae.h: Likewise.
2355 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2357 PR tree-optimization/23410
2358 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2359 sequence is not wrapping during the first step.
2361 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2364 * dwarf2out.c (base_type_die): Compare char_type_node with
2365 TYPE_MAIN_VARIANT (type), not type.
2367 2005-09-01 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/15366
2370 * common.opt: Add -finline-functions-called-once.
2371 Put -fearly-inlining in alphabetically ordered place.
2372 * doc/invoke.texi: Document new option.
2373 * ipa-inline.c (cgraph_decide_inlining): Honour
2374 flag_inline_functions_called_once.
2376 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2378 PR rtl-optimization/23478
2379 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2380 (alloc_qty): Initialize it.
2381 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2382 (combine_regs): Combine also n_throwing_calls_crossed fields.
2383 (find_free_reg): Don't attempt to caller-save pseudos crossing
2384 calls that might throw.
2385 * global.c (struct allocno): Add throwing_calls_crossed field.
2386 (global_alloc): Revert 2005-08-22 change. Initialize
2387 throwing_calls_crossed.
2388 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2391 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2394 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2395 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2396 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2397 (and64_2_operand): Tweak to use predicate.
2398 (and_operand): Adjust for mask_operand changes.
2399 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2400 (print_operand): Likewise.
2401 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2402 (mask64_1or2_operand): Delete.
2403 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2404 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2405 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2406 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2407 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2408 (rotldi3_internal4): Likewise.
2409 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2410 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2411 (ashldi3_internal7): Likewise.
2412 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2413 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2414 (anddi3 split): Don't match mask64_operand.
2415 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2416 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2417 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2418 't' splitter predicate.
2419 (movdi_internal64 + 2): Revert 2005-06-11 change.
2421 2005-08-31 DJ Delorie <dj@redhat.com>
2423 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2424 (m32c_asm_integer): Add support for 32 bit pointers.
2426 2005-08-31 Richard Henderson <rth@redhat.com>
2428 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2429 component-like references for setting MEM_NOTRAP_P.
2431 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2432 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2434 2005-08-31 Richard Henderson <rth@redhat.com>
2436 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2437 into a pseudo before applying gen_lowpart.
2439 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2441 * doc/install.texi (Specific): Update cctools version required
2442 for full functionality.
2443 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2444 linkers as -macosx_version_min.
2446 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2449 * sh.c (print_operand, %R and %S): Add handling of floating point
2450 registers, memory, constants and invalid operands.
2452 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2454 * ipa-pure-const.c: Change dump name.
2456 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2459 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2460 to "reg_or_0_operand".
2461 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2463 2005-08-31 Dale Johannesen <dalej@apple.com>
2465 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2466 loops that count down.
2468 2005-08-31 Richard Henderson <rth@redhat.com>
2471 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2472 (fixup_eh_region_note): New.
2473 (reload_as_needed): Call it.
2474 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2475 don't call find_many_sub_basic_blocks; call verify_flow_info.
2476 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2477 (keep_stack_depressed): Likewise.
2478 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2480 2005-08-31 Richard Henderson <rth@redhat.com>
2482 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2485 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2487 * expr.c (expand_expr_real_1): Compare size of address
2488 mode to target's address mode size in deciding expansion of
2489 the constant address.
2491 2005-08-31 Richard Guenther <rguenther@suse.de>
2494 * expr.c (all_zeros_p): New function.
2495 (expand_expr_real_1): Handle the case of an all-zero
2496 non-addressable constructor separately.
2498 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2500 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2501 arguments, adjust all callers.
2502 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2504 2005-08-30 Richard Henderson <rth@redhat.com>
2507 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2508 whenever the mode sizes match.
2510 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2512 * calls.c (load_register_parameters): Fix comment typo.
2513 * expr.c (emit_push_insn): Comment formatting.
2515 2005-08-30 Ian Lance Taylor <ian@airs.com>
2517 * config/i386/x-cygwin (host-cygwin): Change dependency from
2518 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2520 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2522 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2525 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2528 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2529 call to ggc_collect.
2531 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2534 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2535 beginning. Remove $(INCLUDES) from all the rules, if following
2536 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2538 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2541 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2542 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2543 not constant, but maxlen is, don't set len to maxlen, rather
2544 set maxlen to len if len is a constant.
2546 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2548 PR tree-optimization/23475
2549 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2552 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2554 Fix PR middle-end/22455
2556 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2557 Checksum only the parts of the tree that exist for the tree code.
2559 2005-08-28 Dale Johannesen <dalej@apple.com>
2561 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2563 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2565 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2567 2005-08-28 Richard Henderson <rth@redhat.com>
2569 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2570 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2573 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2576 * builtins.c (get_memory_rtx): Don't strip nops
2577 in between COMPONENT_REFs.
2579 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2582 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2584 (gimplify_modify_expr): Check for zero sized types and gimplify the
2585 rhs and lhs as statements.
2587 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2590 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2591 state for return address column of signal frames.
2593 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2596 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2597 bytes >= 2 not bytes == 2.
2598 (expand_block_move): Same.
2600 2005-08-27 Richard Guenther <rguenther@suse.de>
2603 * config/i386/sse.md (sse2_movsd): Add missing closing
2606 2005-08-27 Paul Brook <paul@codesourcery.com>
2608 * genrecog.c (enum decision_type): Add DT_num_insns.
2609 (struct decision_test): Add u.num_insns.
2610 (add_to_sequence): Add DT_num_insns test.
2611 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2612 (write_cond, debug_decision_2): Ditto.
2613 (change_state): Assume peep2_next_insn never fails.
2614 Remove "afterward" argument.
2615 (write afterward, write_tree): Update to match.
2616 * recog.c (peep2_current_count): New variable.
2617 (peep2_next_insn): Check it.
2618 (peephole2_optimize): Set peep2_current_count.
2619 * recog.h (peep2_current_count): Declare.
2621 2005-08-26 Josh Conner <jconner@apple.com>
2624 * ipa-pure-const.c (check_tree): Check for volatile-ness
2625 when considering a dereference.
2627 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2629 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2631 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2633 PR rtl-optimization/23561
2634 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2635 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2636 at most LEN bytes long memory fits into the field.
2637 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2638 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2639 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2641 2005-08-26 Richard Henderson <rth@redhat.com>
2644 * loop.c (biased_biv_may_wrap_p): New.
2645 (maybe_eliminate_biv_1): Use it to suppress non-equality
2646 comparison transformations. Delete disabled code.
2648 2005-08-26 Ian Lance Taylor <ian@airs.com>
2650 * combine.c (make_extraction): Avoid reference outside object.
2652 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2654 * stor-layout.c (finalize_type_size): Restore behaviour for
2655 non-aggregate types to the status quo ante of the patch for
2656 pr 23467. Document why it matters.
2658 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2661 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2662 array by one element, initialize the BT_LAST element with NULL.
2664 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2666 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2667 optimizing for size.
2669 (compare_plus_eqsi): Same.
2670 (plus_eqsi_compare): Same.
2671 (neg_eq0<mode>): Same.
2672 (neg_eq<mode>): Same.
2674 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2677 2005-08-26 Nick Clifton <nickc@redhat.com>
2679 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2680 TARGET_EP is not defined.
2681 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2682 TARGET_EP is enabled.
2683 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2684 * config/v850/v850.md (save_all_interrupt): Only use the EP
2685 register if TARGET_EP is defined.
2686 (restore_all_interrupt): Likewise.
2687 * config/v850/lib1funcs.asm: Update functions so that the EP
2688 register is only used if __EP__ is defined.
2690 2005-08-26 David Ung <davidu@mips.com>
2692 * config/mips/mips.c (mips_expand_prologue): Handle case when
2693 generating for MIPS16 and the outgoing argument area is more than
2694 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2697 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2699 * config/crx/crx.md: Make doloop_end pattern usage controllable
2700 via mloop-nesting=<max-nesting> command line switch. Make sure
2701 the combiner cannot use doloop_end_<mode> in an illegal way.
2702 * config/crx/crx.c: Use regs up to r6 for argument passing.
2703 Refine crx_address_cost (non cst4 displacements are expensive).
2704 * config/crx/crx.opt: Add switch for mloop-nesting=.
2706 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2708 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2709 (UNSPEC_MVST): New constant.
2711 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2713 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2714 Reject operands containing eliminable registers.
2715 * testsuite/gcc.dg/20050825-1.c: New testcase.
2717 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2718 Jan Hubicka <jh@suse.cz>
2720 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2722 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2724 PR tree-optimization/23546
2725 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2728 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2730 * params.def (PARAM_MIN_SPEC_PROB): New.
2731 * sched-rgn.c (MIN_PROBABILITY): Delete.
2732 (compute_trg_info): Convert to PARAM_VALUE.
2733 * doc/invoke.texi (param): Document min-spec-prob.
2735 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2737 * config/darwin.h: define __PIC__
2738 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2739 TARGET_OS_CPP_BUILTINS macro.
2741 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2743 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2746 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2748 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2750 * cfghooks.c (duplicate_block): Added position where to place
2751 new block as argument.
2752 * cfghooks.h (duplicate_block): Declaration changed.
2753 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2755 * cfglayout.h (copy_bbs): Declaration changed.
2756 * cfgloop.h (loop_version): Declaration changed.
2757 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2758 position to copy_bbs.
2759 (loop_version): Pass position to duplicate_loop_to_header_edge.
2760 Add place_after argument and position new blocks according to
2762 * modulo-sched.c (sms_schedule): Pass place_after argument
2764 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2765 * tree-cfg.c (split_edge_bb_loc): New function.
2766 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2767 to determine position of new blocks.
2768 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2770 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2771 argument to duplicate_block.
2772 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2773 Pass position to copy_bbs.
2775 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2777 * fold-const.c (ptr_difference_const): Use
2778 cst_and_fits_in_hwi instead of host_integerp.
2780 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2782 * config/darwin.c (gen_pic_offset): New.
2783 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2786 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2788 PR tree-optimization/23486
2789 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2791 2005-08-23 Phil Edwards <phil@codesourcery.com>
2793 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2794 remove use_collect2.
2795 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2797 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2798 configuration files to override the default value.
2800 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2801 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2802 * config/vx-common.h: New file, split out from...
2803 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2804 * config/vxworksae.h: New file, for VxWorks AE.
2805 * config/vxworks.opt: New file.
2806 * config/vxlib.c: Update for VxWorks 6.
2808 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2809 other MULTILIB_* variables appropriately.
2810 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2811 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2812 * config/rs6000/vxworks.h: Update for VxWorks 6.
2813 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2815 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2818 * config/darwin.c (machopic_select_section): Remove the hack to
2819 mark "::operator new" and "::operator delete" for coalescing
2820 even though they are not weak.
2822 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2824 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2825 * configure: Regenerate.
2827 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2830 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2832 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2833 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2836 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2838 * config/rs6000/predicates.md (equality_operator): New.
2839 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2840 comparison with a large constant.
2842 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2844 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2846 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2848 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2849 registers is even, and we have a hardware double precision fp,
2851 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2852 size of current argument when checking if argument was passed in
2855 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2858 * stor-layout.c (finalize_type_size): Dont override
2859 existing alignment with a smaller alignment from the mode.
2861 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2863 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2864 * lambda.h (lambda_vector_lexico_pos): ... here.
2865 * tree-data-ref.c (build_classic_dist_vector): Return false when
2866 the distance vector is lexicographically negative.
2868 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2870 PR tree-optimization/23511
2871 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2872 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2874 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2876 PR tree-optimization/22043
2877 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2878 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2879 If ALLOW_FLEXARR, handle types ending with flexible array member.
2880 Pass false as second argument to recursive count_type_elements calls.
2881 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2882 argument to count_type_elements call.
2883 * tree-sra.c (decide_block_copy): Likewise.
2884 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2885 for a constant-sized object, set cleared as well. Pass true as
2886 second argument to count_type_elements call.
2888 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2891 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2892 from legitimate_small_data_p, and make global. Update use.
2893 Remove forward declaration.
2894 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2896 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2898 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2900 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2901 of scratch intermediates.
2902 (eq<mode>_compare): Same.
2903 (neg_eq0<mode>): New.
2904 (neg_eq<mode>): Convert to define_insn_and_split.
2906 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2909 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2910 stdarg functions, set/clear the fp marker even when no variable
2912 * config/rs6000/sysv4.opt (mprototype): Describe.
2914 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2916 PR rtl-optimization/23478
2917 * regs.h (reg_info): Add throw_calls_crossed.
2918 (REG_N_THROWING_CALLS_CROSSED): Define.
2919 * flow.c (allocate_reg_life_data): Initialize
2920 REG_N_THROWING_CALLS_CROSSED.
2921 (propagate_one_insn, attempt_auto_inc): Update
2922 REG_N_THROWING_CALLS_CROSSED.
2923 * global.c (global_alloc): Don't allocate pseudos across
2924 calls that may throw.
2926 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2929 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2930 value is inbetween the range if we did not find an exact match.
2932 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2934 * doc/invoke.texi (Option Summary): Add ms1 options.
2935 * doc/extend.texi: Document interrupt handler attribute for ms1.
2936 * doc/md.texi: Document ms1 constraints.
2937 * config.gcc: Add ms1-*-elf.
2938 * config/ms1/ms1.h: New.
2939 * config/ms1/ms1.c: New.
2940 * config/ms1/ms1.md: New.
2941 * config/ms1/ms1-protos.h: New.
2942 * config/ms1/ABI.txt: New.
2943 * config/ms1/crti.asm: New.
2944 * config/ms1/crtn.asm: New.
2945 * config/ms1/lib2extra-funcs.c: New.
2946 * config/ms1/t-ms1: New.
2947 * config/ms1/ms1.opt: New.
2949 2005-08-22 Ira Rosen <irar@il.ibm.com>
2951 * config/rs6000/altivec.md (xorv4sf3): New.
2952 (negv4sf2, neg<mode>2): Likewise.
2954 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2957 * config/ia64/ia64.md (divsi3): Check divide by zero.
2958 (udivsi3): Likewise.
2960 (udivdi3): Likewise.
2962 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2964 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2965 up to elem_bitsize bits, not max_bitsize.
2967 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2969 PR tree-optimization/23433
2970 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2971 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2973 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2975 PR tree-optimization/23434
2976 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2977 the iteration bound is not an INTEGER_CST.
2979 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2981 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2982 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2983 NULL if need_epilog_adjust is false.
2984 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2985 Case 3 always peels first itration, not just for PLUS case, and no need
2986 to use scalar_initial_def here. Create an epilog adjustment only if
2987 scalar_initial_def is not NULL.
2989 (vectorizable_reduction): Remove assert.
2991 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2994 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2995 (__moddi3): Likewise.
2996 (__udivdi3): Likewise.
2997 (__umoddi3): Likewise.
2998 (__divsi3): Likewise.
2999 (__modsi3): Likewise.
3000 (__udivsi3): Likewise.
3001 (__umodsi3): Likewise.
3003 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3005 * tree-pass.h (TDF_GRAPH): Define.
3006 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3007 * passes.c (finish_optimization_passes): Only call
3008 finish_graph_dump_file if TDF_GRAPH is set.
3009 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3010 NULL. Set TDF_GRAPH bit.
3011 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3013 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3015 * arm.h (arm_stack_offsets): Add locals_base field.
3016 * arm.c (arm_get_frame_offsets): Compute it.
3017 (thumb_compute_initial_elimination offset): Make the Thumb frame
3018 pointer point to the base of the local variables.
3019 (thumb_expand_prologue): Update accordingly.
3020 (thumb_expand_epilogue): Likewise.
3022 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3023 mode of clobbered scratch to DImode. Handle a case that's known to
3026 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3028 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3029 (gt0<mode>_compare): Delete.
3030 (neg_gt0<mode>): Delete.
3032 2005-08-19 Eric Christopher <echristo@apple.com>
3034 * optabs.h: Change CTI_ to COI_.
3037 2005-08-19 James E Wilson <wilson@specifix.com>
3039 * builtins.c (expand_builtin_return_addr): Set
3040 current_function_accesses_prior_frames when count != 0. Use
3041 frame_pointer_rtx when count == 0.
3042 * function.h (struct function): Add accesses_prior_frames field.
3043 (current_function_accesses_prior_frames): Define.
3044 * reload1.c (init_elim_table): Check
3045 current_function_accesses_prior_frames.
3046 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3048 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3050 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3051 indicator. Return true if the flowgraph changed during
3054 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3057 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3058 conditional expression before testing its value.
3060 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3062 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3064 2005-08-19 Devang Patel <dpatel@apple.com>
3066 PR tree-optimization/23048
3067 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3068 third parameter. Check whether latch is dominated by exit
3070 (if_convertible_loop_p): Supply exit block itself to
3071 if_convertible_bb_p.
3073 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3076 * arm.md (arm_load_pic_register): Change argument to the mask of
3077 saved registers. Call thumb_find_work_register if we need a
3078 scratch register on Thumb.
3079 (arm_expand_prologue): Pass empty register set to
3080 arm_load_pic_register.
3081 (thumb_expand_prologue): Pass live_regs_mask directly to
3082 arm_load_pic_register.
3083 * arm-protos.h (arm_load_pic_register): Update prototype.
3085 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3087 * sh.c (find_sole_member): New function.
3088 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3089 if the record's alignment is larger than the size of its only member.
3091 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3094 * arm.c (thumb_legitimize_reload_address): New function.
3095 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3096 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3098 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3100 * config/crx/crx.c: Implement crx_decompose_address. Reject
3101 symbolic displacements since CRX register relative adressing
3102 mode can't handle unsigned 32-bit values as displacements.
3103 * config/crx/crx.h: Simplify definitions, remove redundant
3104 parenthesis and obsolete macros.
3105 * config/crx/crx.opt: Add new switch for debugging addresses.
3106 * config/crx/crx-protos.h: Add new declarations for above.
3108 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3111 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3114 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3116 * collect2.c (dup2): Delete.
3117 * configure.ac: Don't check for dup2.
3119 * config.in, configure: Regenerate.
3121 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3123 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3124 record with the type of its only member.
3126 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3128 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3129 define_insn_and_split.
3130 (plus_ltu<mode>_compare): Same.
3131 (gtu<mode>_compare): Same.
3132 (plus_gtu<mode>_compare): Same.
3134 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3136 PR tree-optimization/22228
3137 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3139 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3140 are recorded in vect_vnames_to_rename for renaming.
3141 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3142 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3143 in vect_vnames_to_rename.
3144 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3145 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3147 2005-08-18 Jan Hubicka <jh@suse.cz>
3150 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3151 info only for local statics, not for member variables.
3153 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3155 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3157 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3159 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3161 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3164 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3166 2005-08-17 James E Wilson <wilson@specifix.com>
3168 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3171 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3173 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3174 (leu<mode>_compare): Same.
3175 (plus_leu<mode>): Same.
3176 (neg_leu<mode>): Same.
3177 (and_neg_leu<mode): Same.
3178 (ltu<mode>_compare): Same.
3179 (plus_ltu<mode>): Same.
3181 (geu<mode>_compare): Same.
3182 (plus_geu<mode>): Same.
3183 (neg_geu<mode>): Same.
3184 (and_neg_geu<mode>): Same.
3185 (plus_gt<mode>): Same.
3186 (gtu<mode>_compare): Same.
3187 (plus_gtu<mode>): Same.
3189 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3191 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3192 Move call_table_data to end. Delete spurious .text.
3193 (callt_save_all_interrupt): Fix comment typo.
3195 2005-08-17 James E Wilson <wilson@specifix.com>
3196 Kevin Winchester <winchester@amirix.com>
3199 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3201 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3204 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3205 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3207 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3209 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3210 record with the type of its only member if the modes don't match.
3212 * varasm.c (decode_reg_name): Skip empty additional register names.
3214 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3216 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3217 lsm_tmp_name_length): New.
3218 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3219 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3221 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3222 Andreas Krebbel <krebbel1@de.ibm.com>
3224 * config.gcc: Added z9-109 switch.
3225 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3226 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3227 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3228 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3229 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3230 for "z9_109" cpu attribute.
3231 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3232 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3233 (s390_handle_arch_option): Added z9-109 switch.
3234 (override_options): Set respective cost function for z9-109.
3235 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3236 (legitimate_reload_constant_p): Accept extended immediates.
3237 (print_operand): Three new output modifiers added: k, m and o.
3238 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3239 (s390_output_mi_thunk): Use extended immediate when possible.
3240 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3241 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3242 (CONSTRAINT_LEN): Added length of O constraint.
3243 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3244 * config/s390/s390.md ("cpu"): New value z9_109 added.
3245 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3246 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3247 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3248 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3249 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3250 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3251 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3252 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3253 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3254 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3255 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3256 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3257 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3258 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3259 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3261 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3262 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3263 insns for TARGET_EXTIMM.
3265 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3267 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3269 2005-08-17 Nick Clifton <nickc@redhat.com>
3271 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3272 Call default_encode_section_info.
3274 2005-08-17 Steven Bosscher <stevenb@suse.de>
3276 PR tree-optimization/21574
3277 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3278 constant, return CONSTANT.
3279 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3280 (ccp_fold, visit_assignment): Likewise.
3281 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3283 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3285 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3286 fold_buildN instead of buildN then fold_initializer or fold.
3287 (build_unary_op): Likewise.
3288 (build_binary_op): Likewise.
3289 * fold-const.c (fold_initializer): Remove.
3290 (fold_build1_initializer): New function.
3291 (fold_build2_initializer): New function.
3292 (fold_build3_initializer): New function.
3293 * tree.h (fold_initializer): Remove.
3294 (fold_build1_initializer): New function.
3295 (fold_build2_initializer): New function.
3296 (fold_build3_initializer): New function.
3298 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3300 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3301 (try_move_mult_to_index): Call fold_build2 instead of build2.
3302 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3303 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3304 fold_binary_to_constant.
3305 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3307 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3308 check if A == gcd (A, B). Remove TYPE argument.
3309 (analyze_offset) Use fold_build2 instead of fold (build.
3310 (create_data_ref): Likewise.
3311 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3312 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3315 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3317 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3318 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3320 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3323 * gimplify.c (zero_sized_type): New function.
3324 (gimplify_modify_expr_rhs): If we have a zero sized type,
3325 replace the statement with an empty statement.
3327 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3329 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3332 2005-08-16 Ian Lance Taylor <ian@airs.com>
3334 * doc/tm.texi (Label Output): Correct typo.
3336 2005-08-16 Steven Bosscher <stevenb@suse.de>
3339 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3340 force_operand will work later on using have_insn_for.
3342 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3344 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3346 2005-08-16 Ian Lance Taylor <ian@airs.com>
3349 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3350 vector type, don't try to construct it element by element. Add an
3351 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3353 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3355 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3357 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3359 * doc/invoke.texi (Precompiled Headers): Document some more options
3360 which are known to be safe.
3362 2005-08-16 James E Wilson <wilson@specifix.com>
3364 PR tree-optimization/21105
3365 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3366 TREE_OVERFLOW check.
3368 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3370 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3371 (neg_ltu<mode>): Same.
3373 (neg_gtu<mode>): Same.
3375 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3377 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3378 (fold_builtin_isdigit): Use fold_buildN.
3379 (build_function_call_expr): Likewise.
3380 * c-typeck.c (c_finish_loop): Likewise.
3382 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3383 Richard Shann <rshann@superh.com>
3385 PR middle-end/20396:
3386 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3388 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3390 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3392 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3395 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3396 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3399 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3402 * fold-const.c (build_range_check): Disable optimization for function
3403 pointer expressions on targets that require function pointer
3406 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3408 * simplify-rtx.c (simplify_const_relational_operation): When
3409 extracting arguments of a COMPARE, recompute the mode as well.
3411 2005-08-15 Ian Lance Taylor <ian@airs.com>
3413 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3415 2005-08-15 DJ Delorie <dj@redhat.com>
3417 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3419 (movsi_splittable): Allow, but split, moves to the stack.
3420 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3423 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3425 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3426 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3427 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3429 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3430 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3431 Delete HOST_PTR_PRINTF.
3433 * configure, config.in: Regenerate.
3435 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3437 * config/rs6000/rs6000.md (QHSI): New mode macro.
3438 (wd): Extend mode attr for QImode and HImode
3439 (dbits): New mode attr.
3440 (zero_extend<mode>di2): Convert to mode macro.
3442 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3445 * doc/invoke.texi (-mgnu-ld): Update description.
3448 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3451 * Makefile.in (tree-chrec.o): Depends on real.h.
3452 * tree-chrec.c: Include real.h.
3453 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3454 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3455 * tree-scalar-evolution.c (add_to_evolution_1,
3456 interpret_rhs_modify_expr): Ditto.
3458 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3461 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3462 step is negative compute the estimation from init downwards to zero.
3464 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3466 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3468 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3470 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3472 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3473 Accept double-word constants that can be split.
3474 * config/s390/s390.md ("movti"): Use 'P' constraint.
3475 ("*movdi_31", "*movdf_31"): Likewise.
3477 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3479 Fix PR tree-optimization/22615
3481 * tree-ssa-structalias.c (solution_set_add): Handle
3482 first_vi_for_offset returning NULL.
3483 (do_da_constraint): Ditto.
3484 (do_sd_constraint): Ditto.
3485 (do_ds_constraint): Ditto
3486 (find_func_aliases): Ditto.
3487 (build_constraint_graph): RHS is allowed be ANYTHING.
3488 (first_vi_for_offset): Return NULL if we couldn't find anything at
3491 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3493 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3494 over memory as first operand.
3496 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3499 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3500 available for setting it.
3502 2005-08-14 Ira Rosen <irar@il.ibm.com>
3504 PR tree-optimization/23320
3505 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3506 data-refs' types instead of base object nullness. Add check for
3507 pointer type data-refs before first location comparison. Remove
3510 2005-08-14 Andreas Schwab <schwab@suse.de>
3512 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3514 2005-08-13 James E Wilson <wilson@specifix.com>
3516 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3517 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3518 -fstack-protector-all, --param ssp-buffer-size): Document.
3519 (-Wvariadic-macros): Alphabetize.
3520 (-fsched-stalled-insns-dep): Add missing 'f'.
3522 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3525 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3527 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3528 or indirect address operand.
3529 (EXTRA_ADDRESS_CONSTRAINT): New.
3530 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3532 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3534 PR tree-optimization/22236
3535 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3536 successors and predecessors.
3537 * tree-chrec.c (chrec_convert): Before converting, check that
3538 sequences don't wrap.
3539 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3540 (analyze_array): Extern.
3541 (find_data_references_in_loop): Remove call to
3542 compute_estimated_nb_iterations.
3543 * tree-data-ref.h (analyze_array): Declared.
3544 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3545 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3546 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3547 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3549 * tree-ssa-loop-ivcanon.c: Fix documentation.
3550 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3551 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3552 (infer_loop_bounds_from_undefined): New.
3553 (estimate_numbers_of_iterations_loop): Use
3554 infer_loop_bounds_from_undefined.
3555 (used_in_pointer_arithmetic_p): New.
3556 (scev_probably_wraps_p): Pass an extra parameter. Call
3557 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3558 (convert_step): Fix documentation.
3559 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3560 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3561 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3562 scev_probably_wraps_p.
3564 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3566 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3567 (s390_register_info): Ignore clobbered_regs information for fixed
3568 registers, and only fixed registers.
3569 (s390_init_frame_layout): Remove redundant call.
3571 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3573 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3574 description of -Wold-style-casts.
3576 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3577 Jakub Jelinek <jakub@redhat.com>
3579 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3580 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3581 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3582 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3583 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3584 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3585 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3586 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3587 ("stack_protect_set", "stack_protect_test"): New expanders.
3588 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3589 "stack_protect_testdi"): New insn definitions.
3591 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3593 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3595 2005-08-12 Paul Brook <paul@codesourcery.com>
3597 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3599 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3601 * config/s390/predicates.md (setmem_operand): New predicate.
3602 (shift_count_operand): Accept ANDs with special constants as
3604 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3605 with special constants.
3606 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3607 shift_count_operand with setmem_operand.
3609 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3611 * config/s390/s390.c (s390_extract_part, s390_single_part):
3613 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3614 (s390_output_mi_thunk): Don't use lg on 31 bit.
3615 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3616 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3618 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3620 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3621 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3622 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3623 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3624 with one of the new macros.
3626 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3628 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3629 Don't set save_return_addr_p.
3630 (s390_register_info): Make clobbered_regs not depending on
3633 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3635 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3636 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3638 2005-08-11 James E. Wilson <wilson@specifix.com>
3640 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3642 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3644 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3645 locations gathered by var-tracking in single entry loc_list
3646 over loc_descriptor_from_tree.
3648 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3649 pass it down to loc_descriptor.
3650 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3651 (containing_function_has_frame_base): Move earlier in the file.
3652 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3653 instead of always assuming fbreg can't be used.
3655 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3657 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3658 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3659 Accept address wrapped in AND for Altivec.
3660 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3661 Strip AND wrapping offset address for Altivec.
3663 2005-08-11 Richard Henderson <rth@redhat.com>
3666 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3667 before using TYPE_IS_SIZETYPE.
3669 2005-08-11 Richard Henderson <rth@redhat.com>
3672 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3673 insn types not present on ev4.
3674 (alphaev5_insn_pipe): Similarly.
3676 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3679 * arm.c (arm_override_options): If the user has selected callee-super-
3680 interworking, then enable normal interworking.
3682 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3684 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3687 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3689 * doc/rtl.texi: Fix two typos.
3691 2005-08-11 Richard Guenther <rguenther@suse.de>
3694 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3695 cases where we call to/from functions returning void.
3697 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3700 * tree.c (build_pointer_type_for_mode): Robustify.
3702 2005-08-10 James E Wilson <wilson@specifix.com>
3704 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3705 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3707 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3710 2005-08-10 Eric Christopher <echristo@apple.com>
3712 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3713 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3716 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3719 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3720 for the high part when generating dynamic-no-pic code.
3722 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3724 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3725 (x86_64-*-linux*): Likewise.
3727 * config/i386/crtfastmath.c: New file.
3728 * config/i386/t-crtfm: Likewise.
3730 * config/i386/linux.h (ENDFILE_SPEC): New.
3731 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3733 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3736 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3738 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3739 (vec_shl, vec_shr): Document new operations.
3740 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3742 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3744 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3745 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3746 change predicate to indexed_or_indirect_address.
3748 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3750 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3751 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3752 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3753 and __aeabi_uwrite8.
3754 * config/arm/unaligned-funcs.c: New file.
3755 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3757 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3759 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3761 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3762 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3764 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3765 * final.c (pass_shorten_branches): Add dump.
3766 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3767 (pass_life): Rename dump.
3768 (rest_of_handle_flow2): Remove initial verify_flow_info.
3769 * function.c (pass_instantiate_virtual_regs): Add dump.
3770 * integrate.c (pass_initial_value_sets): Add dump.
3771 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3772 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3773 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3774 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3775 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3776 gate_rtl_unrool_and_peel_loops): New.
3777 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3778 rtl_doloop): Do not look at flags.
3779 * mode-switching.c (pass_mode_switching): Add dump.
3780 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3781 pass_split_before_regstack): Add dump.
3782 * regmove.c (pass_stack_adjustments): Add dump.
3783 * tree-optimize.c (pass_fixup_cfg): Add dump.
3785 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3788 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3789 deciding which instruction sequence to use.
3791 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3793 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3794 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3796 2005-08-09 Richard Guenther <rguenther@suse.de>
3798 * c-common.c (builtin_function_2): Remove.
3799 (def_builtin_1): New function.
3800 (c_common_nodes_and_builtins): Use def_builtin_1 to
3801 build builtin functions.
3803 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3805 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3806 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3807 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3810 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3812 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3813 fold_binary instead of fold_build2 since we don't care about the
3815 (loop_niter_by_eval): Likewise.
3816 (compare_trees): Likewise.
3817 (proved_non_wrapping_p): Likewise.
3819 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3823 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3824 if the if is really empty.
3826 2005-08-09 Steven Bosscher <stevenb@suse.de>
3828 PR tree-optimization/23234
3829 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3830 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3831 argument of the new enum.
3832 (execute_cse_reciprocals): Add reciprocals for function arguments
3833 on the unique successor edge of the entry block. Update other calls
3834 to execute_cse_reciprocals_1.
3836 2005-08-08 Richard Henderson <rth@redhat.com>
3839 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3841 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3843 * expr.c (write_complex_part): Return after handling MEM.
3845 2005-08-08 Josh Conner <jconner@apple.com>
3847 PR rtl-optimization/23241
3848 * combine.c (simplify_comparison): Fix error in determining
3849 whether to lift a subreg from comparison.
3851 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3854 * config/rs6000/altivec.md (vec_init<mode>): New.
3855 (vec_set<mode>): New.
3856 (vec_extract<mode>): New.
3857 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3858 (rs6000_expand_vector_set): New.
3859 (rs6000_expand_vector_extract): New.
3860 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3861 for Altivec modes before reload.
3862 (altivec_expand_vec_init_builtin): New.
3863 (get_element_number): New.
3864 (altivec_expand_vec_set_builtin): New.
3865 (altivec_expand_vec_ext_builtin): New.
3866 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3868 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3870 * config/rs6000/rs6000.h (rs6000_builtins): Add
3871 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3872 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3873 * config/rs6000/rs6000-protos.h: Declare new functions.
3875 2005-08-08 Jan Hubicka <jh@suse.cz>
3877 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3878 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3879 * i386.md (movdi*): Use pic_32bit_operand.
3880 * predicates.md (pic_32bit_operand): New.
3882 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3885 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3887 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3889 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3890 (test_for_singularity): Use fold_build2.
3892 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3894 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3896 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3898 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3899 (COMMON_ASM_OP) Define.
3900 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3901 (ix86_encode_section_info): Likewise.
3902 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3903 SUBTARGET_ENCODE_SECTION_INFO.
3905 2005-08-06 Richard Henderson <rth@redhat.com>
3908 * tree-nested.c (convert_local_reference): Save and restore val_only
3909 around component_ref and friends. Clear walk_subtrees by default.
3911 2005-08-06 Peter O'Gorman <peter@pogma.com>
3914 * gcc.c (process_command): Check the argument to -b has a dash.
3915 * doc/invoke.texi: Update -b and -V docs.
3917 2005-08-06 James E Wilson <wilson@specifix.com>
3919 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3921 2005-08-06 Michael Matz <matz@suse.de>
3923 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3924 member only if only one insn is associated with the value.
3926 2005-08-06 Nick Clifton <nickc@redhat.com>
3928 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3930 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3931 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3932 Check symbol flags instead of symbol name mangling.
3933 (xstormy16_asm_output_aligned_common): Likewise. Also
3934 simplify code since the bss100_section cass is the only case
3935 where the below100 code will be triggered.
3936 (xstormy16_encode_section_info): Encode below100 attribute
3937 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3939 (xstormy16_strip_name_encoding): Delete - this function is no
3941 (TARGET_STRIP_NAME_ENCODING): Undefine.
3942 * config/stormy16/stormy16-protos.h: Delete prototype for
3943 xstormy16_strip_name_encoding.
3945 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3947 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3948 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3949 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3950 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3951 config/alpha/predicates.md, config/arc/arc.h,
3952 config/arm/arm.h, config/arm/ieee754-df.S,
3953 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3954 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3955 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3956 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3957 config/m68hc11/m68hc11.h, config/mips/mips.c,
3958 config/mips/mips.h, config/mips/openbsd.h,
3959 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3960 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3961 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3962 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3963 config/sparc/linux.h, config/sparc/linux64.h,
3964 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3965 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3966 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3967 typos. Follow spelling conventions.
3969 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3972 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3973 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3974 specially. Check for side effects only for COND_EXPR.
3975 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3976 return with TREE_NO_WARNING.
3978 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3980 PR rtl-optimization/23233
3981 * loop.c (combine_movables): Require the modes to be the same.
3982 (move_movables): Remove handling of cases where the replacement
3983 had a different mode to the original.
3985 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3987 PR tree-optimization/23128
3988 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3989 subtraction wrap, and set TREE_OVERFLOW if they do.
3991 2005-08-05 Richard Henderson <rth@redhat.com>
3994 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3995 FORCED_LABEL labels.
3997 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4000 * reload.c (find_reloads_subreg_address): Pass down TYPE
4001 unchanged. Change all callers except find_reloads_toplev.
4003 2005-08-05 Michael Matz <matz@suse.de>
4005 * genattrtab.c (current_alternative_string): Remove.
4006 (SIMPLIFY_ALTERNATIVE): Ditto.
4007 (attr_alt_bit_p): Ditto.
4008 (alternative_name): Make const char *.
4009 (evaluate_eq_attr): Remove use of above things.
4010 (simplify_test_exp): Ditto.
4011 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4012 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4014 2005-08-04 James E Wilson <wilson@specifix.com>
4016 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4017 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4018 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4019 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4020 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4022 2005-08-04 Richard Henderson <rth@redhat.com>
4025 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4026 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4027 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4028 if we'd have to instantiate too many members.
4030 2005-08-04 Richard Henderson <rth@redhat.com>
4033 * tree-outof-ssa.c (coalesce_asm_operands): New.
4034 (coalesce_ssa_name): Use it. Split out ...
4035 (coalesce_phi_operands, coalesce_result_decls): ... these.
4037 2005-08-04 Paul Brook <paul@codesourcery.com>
4039 * read-rtl.c (read_quoted_string): Break if EOF.
4041 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4043 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4044 (fold_build2): Likewise.
4045 (fold_build3): Likewise.
4046 (fold_build1_stat): New function prototype.
4047 (fold_build2_stat): Likewise.
4048 (fold_build3_stat): Likewise.
4049 * fold-const.c (fold_build1): Rename to ..
4050 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4051 through to build1_stat.
4052 (fold_build2): Rename to ..
4053 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4054 through to build2_stat.
4055 (fold_build3): Rename to ..
4056 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4057 through to build3_stat.
4059 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4060 Ian Lance Taylor <ian@airs.com>
4062 * function.c (assign_stack_local_1): Do not correct stack slot
4063 address if allocation size is smaller than mode size.
4065 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4068 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4069 (tree_merge_blocks): Propagate anything allowed by
4071 Clarify documentation.
4072 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4073 SSA form, schedule an update if necessary.
4075 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4077 * doc/install.texi (Binaries): Remove broken link to
4078 Sinix/Reliant Unix binaries.
4080 2005-08-03 Richard Henderson <rth@redhat.com>
4083 * function.c (stack_protect_epilogue): Export.
4084 * tree.h (stack_protect_epilogue): Declare.
4085 * calls.c (expand_call): Call it.
4087 2005-08-03 Eric Christopher <echristo@apple.com>
4089 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4090 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4093 2005-08-04 Jan Hubicka <jh@suse.cz>
4095 * profile.c (branch_prob): Split edges with goto locus on them
4096 to get proper line counts.
4097 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4099 2005-08-03 Paul Brook <paul@codesourcery.com>
4101 * function.c (assign_parms): Round current_function_args_size
4102 to PARM_BOUNDARY, not STACK_BOUNDARY.
4104 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4106 * config/i386/i386.c (x86_elf_aligned_common)
4107 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4109 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4111 PR tree-optimization/23157
4112 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4113 before emitting them.
4115 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4117 PR tree-optimization/19899
4118 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4119 * tree-scalar-evolution.c: Include real.h.
4120 (add_to_evolution): Build constant -1 of correct type.
4122 2005-08-03 Jan Hubicka <jh@suse.cz>
4124 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4125 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4126 profile updating for complette unrolling.
4127 * loop-unroll.c (peel_loop_completely): Use it.
4128 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4129 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4132 2005-08-03 Paul Brook <paul@codesourcery.com>
4134 * combine.c (can_change_dest_mode): New function.
4135 (try_combine, simplify_set): Use it.
4137 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4139 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4142 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4144 * doc/install.texi (Specific): Adjust link to openavr.org.
4145 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4146 (Binaries): Adjust HP-UX Porting Center link.
4147 (Binaries): Adjust Free Software Foundation ordering link.
4149 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4151 * convert.c (convert_to_integer): Use fold_build1 instead of
4152 build1 when converting an integer to an integer.
4154 2005-08-02 Richard Henderson <rth@redhat.com>
4156 * combine.c (combine_instructions): Don't use reg_equal/equiv
4157 results if the mode doesn't match.
4159 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4161 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4162 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4164 2005-08-02 Richard Henderson <rth@redhat.com>
4167 * explow.c (memory_address): Remove special-case for
4168 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4170 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4173 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4174 number of calls to cleanup_tree_cfg_1.
4176 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4178 * doc/invoke.texi: document file extensions .F90 and .F95
4180 2005-08-02 Richard Guenther <rguenther@suse.de>
4182 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4183 positive if its first argument is positive.
4185 2005-08-02 Richard Guenther <rguenther@suse.de>
4187 PR tree-optimization/23177
4188 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4191 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4193 PR tree-optimization/23129
4194 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4195 varying for divisions with anti-ranges.
4197 2005-08-02 Jan Hubicka <jh@suse.cz>
4199 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4200 * tree-ssa-threadupdate.c (thread_block): Add it here.
4202 2005-08-01 James E Wilson <wilson@specifix.com>
4204 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4205 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4206 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4208 * config/mips/predicates.md (const_call_insn_operand): Add check for
4209 SYMBOL_REF_LONG_CALL_P.
4210 * doc/extend.texi (long_call): Document the new attribute.
4212 2005-08-01 Ian Lance Taylor <ian@airs.com>
4213 Richard Henderson <rth@redhat.com>
4215 * Makefile.in (RTL_BASE_H): Add real.h.
4216 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4218 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4220 * rtl.c (rtl_check_failed_code_mode): New.
4221 * rtl.h (struct rtx_def): Add u.rv.
4222 (XCMWINT, XCNMPRV): New.
4223 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4224 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4226 2005-08-01 Richard Henderson <rth@redhat.com>
4228 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4229 with auto-inc codes.
4231 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4233 2005-08-01 Jan Hubicka <jh@suse.cz>
4235 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4236 * i386.c: Include dwarf2.h
4237 (asm_preferred_eh_data_format): New.
4238 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4240 2005-08-01 Ian Lance Taylor <ian@airs.com>
4242 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4243 randomize_va_space for virtual address randomization control.
4245 2005-08-01 Steven Bosscher <stevenb@suse.de>
4247 * common.opt (flag_ipa_cp): Put in right place to maintain
4250 2005-08-01 Jan Hubicka <jh@suse.cz>
4252 * profile.c (compute_value_histograms): Fix thinko.
4253 * value-prof.c: Include toplev.h
4254 (check_counter): New function.
4255 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4256 tree_mod_subtract_transform): Add sanity check.
4258 2005-08-01 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/23133
4261 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4262 current functions parameter decls to find defs to cse
4265 2005-08-01 Richard Guenther <rguenther@suse.de>
4267 PR tree-optimization/23109
4268 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4269 If trapping math is in effect, use post-dominator information
4270 to check if we'd in any case reach a trapping point before
4271 doing the reciprocal insertion.
4272 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4273 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4274 expressions are invariant only if trapping math is not in effect.
4276 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4278 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4279 cgraph_function_versioning): New declarations.
4280 * cgraphunit.c: Add include to ipa-prop.h.
4281 (update_call_expr, cgraph_copy_node_for_versioning,
4282 cgraph_function_versioning): New functions.
4283 * integrate.c (copy_decl_for_inlining): Remove.
4284 * ipa-prop.h (ipa_replace_map): New struct.
4285 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4286 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4287 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4288 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4289 ipcp_iterate_stage, ipcp_method_scale_print,
4290 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4291 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4292 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4293 ipcp_update_bb_counts, ipcp_update_profiling,
4294 ipcp_update_edges_counts): New functions.
4295 (ipcp_method_cval_init): Remove restriction regarding local methods.
4296 (ipcp_init_stage): Add ipcp_method_compute_scale.
4297 (ipcp_insert_stage): Add versioning.
4298 (ipcp_structures_print): Add ipcp_method_scale_print.
4299 (ipcp_driver): Dump profiling info.
4300 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4301 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4302 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4303 (struct inline_data): Add versioning_p, ipa_info, new fields.
4304 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4305 declare_return_variable): Replace calls to copy_decl_for_inlining with
4307 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4309 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4310 Add argument VERSIONING.
4311 (copy_arguments_for_versioning, copy_static_chain,
4312 function_versionable_p, tree_versionable_function_p,
4313 tree_function_versioning, replace_ref_tree): New functions.
4314 * tree-inline.h: Include varray.h.
4315 (tree_versionable_function_p, tree_function_versioning,
4316 tree copy_decl_for_dup): New declarations.
4318 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4320 * ipa-cp.c: New file. Contains IPCP specific functionality.
4321 * ipa-prop.h: New file. Contains structures/definitions that can be
4322 used by several interprocedural data flow optimizations (and also IPCP).
4323 * ipa-prop.c: New file.
4324 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4325 * common.opt: Add ipa-cp flag.
4326 * timevar.def: Add IPCP optimization.
4327 * tree-optimize.c (init_tree_optimization_passes): Schedule
4329 * tree-pass.h (pass_ipa_cp): Declare.
4331 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4333 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4334 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4335 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4336 config/i386/i386.c, config/mips/mips.h,
4337 config/rs6000/rs6000.h, config/sh/sh.c,
4338 config/stormy16/stormy16.c: Fix comment typos.
4340 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4343 * c-typeck.c (build_binary_op): Use common_type wrapper on
4345 (common_type): Update comment.
4347 2005-07-31 Steven Bosscher <stevenb@suse.de>
4350 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4351 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4352 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4354 2005-07-31 Jan Hubicka <jh@suse.cz>
4356 * pretty-print.h (pp_widest_integer): New macro.
4357 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4360 2005-07-31 Jan Hubicka <jh@suse.cz>
4362 * output.h (enum section_category): Export from varasm.c
4363 (categorize_decl_for_section): Likewise.
4364 * varasm.c (enum section_category): Kill.
4365 (categorize_decl_for_section): Make global.
4366 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4368 * i386.c (ix86_section_threshold): New static variable.
4369 (ix86_in_large_data_p, ix86_encode_section_info,
4370 x86_64_elf_unique_section,
4371 x86_64_elf_select_section): New functions.
4372 (TARGET_ENCODE_SECTION_INFO): Define
4373 (override_options): Enable medium model for PIC.
4374 (ix86_expand_prologue): Expand gen_set_got_rex64.
4375 (legitimate_constant_p): Handle new UNSPECs.
4376 (legitimate_pic_address_disp_p): Likewise.
4377 (legitimize_pic_address): Lower MEDIUM model addressing.
4378 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4379 (enum cmodel): Add MEDIUM_PIC.
4380 (SYMBOL_REF_FAR_ADDR_P): New macro.
4381 (SYMBOL_FLAG_FAR_ADDR): New flag.
4382 * i386.md (movdi): Support medium model.
4383 (set_got_rex64): New pattern.
4384 * i386.opt (mlarge-data-threshold): New flag.
4385 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4386 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4387 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4388 TARGET_ASM_UNIQUE_SECTION): New.
4390 * invoke.texi (-mlarge_data_threshold): Document
4392 2005-07-31 Jan Hubicka <jh@suse.cz>
4394 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4395 (coalesce_vars): Likewise.
4396 * tree-ssa-live.c (coalesce_cost): New.
4397 (build_tree_conflict_graph): Use coalesce_cost.
4398 * tree-ssa-live.h (coalesce_cost): Declare.
4400 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4402 * arm.md (all peepholes for post-increment operations): Delete.
4403 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4404 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4405 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4406 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4407 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4409 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4411 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4414 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4417 * doc/invoke.texi: Document -rdynamic.
4419 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4422 * c-parser.c (c_parser_parms_list_declarator): Call
4423 mark_forward_parm_decls.
4424 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4425 decls with visibility structure.
4427 2005-07-30 Paul Brook <paul@codesourcery.com>
4429 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4431 2005-07-30 Paul Brook <paul@codesourcery.com>
4433 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4435 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4437 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4439 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4442 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4443 nested function declarators.
4444 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4445 (grokparms): Call warn_if_shadowing for parameters used within the
4447 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4448 not used within the parameter list.
4449 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4451 2005-07-30 Jan Hubicka <jh@suse.cz>
4453 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4454 * i386.c (ix86_fixup_binary_operands): Likewise.
4455 (ix86_expand_unary_operator): Likewise.
4456 (ix86_expand_fp_absneg_operator): Likewise.
4457 * optabs.c (expand_vec_cond_expr): Validate dest.
4459 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4462 * real.c (real_from_string): Also set last bit if there is a
4463 nonzero hex digit beyond GCC's internal precision after ".".
4465 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4467 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4468 define_constants. Change duplicate values to unassigned numbers.
4469 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4470 (*altivec_vspltsf): New.
4471 (altivec_vperm_v4sf): Delete.
4472 (altivec_vperm_<mode>): Use mode macro V.
4473 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4474 (altivec_predicate_v4sf): Delete.
4475 (altivec_predicate_<mode>): Use mode macro V.
4476 (*altivec_lvesfx): New.
4477 (*altivec_stvesfx): New.
4478 (vec_realign_load_v4sf): Delete.
4479 (vec_realign_load_<mode>): Use mode macro V.
4480 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4483 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4486 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4488 * configure: Regenerated.
4490 2005-07-29 Paul Brook <paul@codesourcery.com>
4492 * doc/install.texi: Add link to GFortran binaries wiki page.
4494 2005-07-29 David Ung <davidu@mips.com>
4496 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4497 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4498 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4499 * config/mips/mips.md (cpu): Add 5kf name.
4500 (includes): Includes 5k.md.
4501 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4502 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4505 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4508 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4509 (cleanup_tree_cfg): ... here.
4510 Call cleanup_tree_cfg_1 until there are no more cleanups to
4513 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4515 * tree-vrp.c (compare_range_with_value): Return true or false
4516 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4517 EQ_EXPR respectively.
4519 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4521 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4524 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4526 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4527 (tree_ssa_dominator_optimize): Increment it.
4528 (dump_dominator_optimization_stats): Print it.
4530 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4531 Steven Bosscher <stevenb@suse.de>
4533 PR rtl-optimization/23117
4534 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4535 when head == tail. Tidy comment.
4537 2005-07-28 Richard Henderson <rth@redhat.com>
4539 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4540 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4541 * jump.c (rtx_renumbered_equal_p): Likewise.
4542 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4543 CONST_INT and CONST_DOUBLE.
4544 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4545 * reload.c (operands_match_p): Special case CONST_INT and
4546 CONST_DOUBLE; check mode earlier.
4548 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4551 * c-typeck.c (convert_for_assignment): Do not check
4552 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4554 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4557 * c-typeck.c (composite_type): Prefer constant size arrays to
4560 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4563 * real.c (real_from_string): Set last bit if there is a nonzero
4564 hex digit beyond GCC's internal precision.
4566 2005-07-28 Richard Henderson <rth@redhat.com>
4569 * cfgcleanup.c (try_forward_edges): Watch out for end of
4572 2005-07-28 James E Wilson <wilson@specifixinc.com>
4575 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4577 2005-07-28 Jan Hubicka <jh@suse.cz>
4579 * Makefile.in (rtl-profile.o): Kill all traces of it.
4580 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4581 * coverage.h (rtl_coverage_counter_ref): Kill.
4582 * opts.c (flag_speculative_prefetching_set): Kill.
4583 (flag_loop_optimize_set): New.
4584 (common_handle_option): Disable loop optimizer when profiling;
4585 do not handle speculative prefetching.
4586 * passes.c (init_optimization_passes): Replace pass_profiling combo
4587 by branch_prob pass.
4588 * profile.c (compute_value_histograms): Update for simplified value
4590 (rtl_register_profile_hooks): Kill.
4591 (pass_profiling): Kill.
4592 (rest_of_handle_branch_prob): Do not profile.
4593 * toplev.c (process_options): Remove speculative prefetching.
4594 * toplev.h (flag_tree_based_profiling): Kill.
4595 * tree-profile.c (prepare_instrumented_value,
4596 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4597 tree_gen_one_value_profiler, do_tree_profiling): Update for
4598 simplified datastructures.
4599 * value-prof.c: Add comment that speculative prefetching was dropped;
4600 update rest of file for simplified datastructures.
4601 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4602 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4603 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4604 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4605 rtl_mod_subtract, gen_speculative_prefetch,
4606 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4607 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4608 (gate_handle_value_profile_transformations,
4609 rest_of_handle_value_profile_transformations,
4610 pass_value_profile_transformations): Kill.
4611 * value-prof.h (histogram_value_t): Remove IL based unions.
4612 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4613 rtl_profile_hooks): Remove hooks.
4615 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4617 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4618 (cgraph_clone_node): Likewise.
4619 * cgraph.h (cgraph_clone_edge): Update prototype.
4620 (cgraph_clone_node): Likewise.
4621 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4623 (lookup_recursive_calls): Consider profile.
4624 (cgraph_decide_recursive_inlining): Fix updating; use new
4625 probability argument; use profile.
4626 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4627 * tree-inline.c (copy_bb): Update clal of clone_edge.
4628 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4630 * invoke.texi (min-inline-recursive-probability): Document.
4632 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4634 * doc/install.texi (Configuration): Update Valgrind homepage.
4636 2005-07-28 Richard Henderson <rth@redhat.com>
4639 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4640 labels we want to delete.
4641 (cfg_layout_merge_blocks): Likewise.
4643 2005-07-28 Richard Henderson <rth@redhat.com>
4646 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4647 when expanding to nothing.
4649 2005-07-28 Josh Conner <jconner@apple.com>
4651 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4652 (cgraph_decide_inlining_of_small_functions): Likewise.
4654 2005-07-28 Josh Conner <jconner@apple.com>
4656 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4657 direction of badness if negative.
4658 (cgraph_default_inline_p): Add reason to parameters, and assign it
4660 (cgraph_decide_inlining_of_small_functions): New parameter in call
4661 to cgraph_default_inline_p.
4662 (cgraph_decide_inlining_incrementally): Likewise.
4663 * cgraphunit.c (decide_is_function_needed): Likewise.
4664 * cgraph.h (cgraph_default_inline_p): Likewise.
4666 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4668 * builtins.c: Fix comment typo(s).
4669 * genautomata.c: Likewise.
4670 * gimplify.c: Likewise.
4671 * tree-dfa.c: Likewise.
4672 * tree-flow-inline.h: Likewise.
4673 * tree-into-ssa.c: Likewise.
4674 * tree-ssa-alias.c: Likewise.
4675 * tree-ssa-ccp.c: Likewise.
4676 * tree-ssa-copy.c: Likewise.
4677 * tree-ssa-dce.c: Likewise.
4678 * tree-ssa-dom.c: Likewise.
4679 * tree-ssa-operands.c: Likewise.
4680 * tree-tailcall.c: Likewise.
4681 * tree-vectorizer.c: Likewise.
4682 * tree-vrp.c: Likewise.
4685 2005-07-28 Jeff Law <law@redhat.com>
4687 * tree-vrp.c (test_for_singularity): Extracted from ...
4688 (simplify_cond_using_ranges): Attempt to simplify a relational
4689 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4691 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4693 PR tree-optimization/22506
4694 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4695 phis whose argument is constant.
4697 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4699 PR rtl-optimization/18992
4700 Back out this patch:
4701 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4702 PR optimization/12142
4703 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4704 uses of the register in the SET_SRC. Remove unnecessary argument.
4706 Replace it with this:
4707 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4708 if flag_non_call_exceptions is set and the insn may trap, pass
4709 pc_rtx as dest for recursion.
4710 In SET_SRC part of SET case, if dest is already set, pass it down
4713 2005-07-28 Jan Hubicka <jh@suse.cz>
4715 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4716 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4717 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4719 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4720 profile when available.
4722 2005-07-28 Jan Beulich <jbeulich@novell.com>
4724 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4725 (ia64_print_operand): Describe and handle 'X'.
4726 (ia64_register_move_cost): Also handle FP_REGS.
4727 (ia64_preferred_reload_class): Likewise.
4728 (ia64_secondary_reload_class): Likewise.
4729 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4730 it. Also check for ITANIUM_CLASS_FLDP.
4731 * config/ia64/ia64.h (FP_REGNO_P): New.
4732 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4733 (reg_class): Add FP_REGS.
4734 (REG_CLASS_NAMES): Adjust for it.
4735 (REG_CLASS_CONTENTS): Likewise.
4736 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4737 (REG_CLASS_FROM_LETTER): Handle 'x'.
4738 (CLASS_MAX_NREGS): Handle FP_REGS.
4739 (MEMORY_MOVE_COST): Likewise.
4740 * config/ia64/ia64.md (itanium_class): Add fldp.
4741 (type): Handle fldp.
4742 (movti_internal): More allowable operand combinations. Use ldfp8 when
4743 splitting unnecessary. Remove predicable attribute. Adjust
4744 itanium_class attribute.
4745 (smuldi3_highpart): Remove outdated comment.
4746 (mulditi3, umulditi3, rotlti3): New expanders.
4747 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4748 (absti2): Disabled new insn for future reference.
4749 Respective new splitters.
4750 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4751 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4752 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4754 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4756 PR rtl-optimization/23047
4757 * simplify-rtx.c (simplify_const_relational_operation): Respect
4758 flag_wrapv for comparisons with ABS.
4760 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4762 PR tree-optimization/22493
4763 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4764 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4766 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4768 * config/frv/frv.opt (moptimize-membar): New.
4770 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4772 * config/frv/frv.h: Remove machine_function definition.
4774 * config/frv/frv.c (struct frv_io): New.
4775 (struct machine_function): Moved from frv.h. Add has_membar_p.
4776 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4777 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4778 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4779 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4780 (frv_reorg): Call frv_optimize_membar when appropriate.
4781 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4782 (frv_expand_builtin): Adjust calls accordingly.
4783 (frv_io_address_cookie): New function.
4784 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4785 load or store rather than a special insn. Add ccnstant address and
4786 io-type operands to the membar.
4787 (frv_ifcvt_modify_tests): Unsign regno.
4788 (frv_ifcvt_modify_tests): Same.
4790 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4791 UNSPEC_OPTIONAL_MEMBAR constant.
4792 (builtin_read_<mode>): Delete.
4793 (builtin_write_<mode>): Delete.
4794 ("optional_membar_<mode>"): Add operand.
4796 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4797 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4798 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4799 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4800 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4801 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4802 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4803 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4804 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4806 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4808 * df.c (df_uses_record): Handle SCRATCH.
4810 2005-07-28 Steven Bosscher <stevenb@suse.de>
4813 * passes.c (rest_of_decl_compilation): If decl is a type and
4814 we have encountered errors, don't emit debug information.
4816 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4818 * params.def: Fixed comment.
4820 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4823 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4824 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4825 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4827 2005-07-27 Steven Bosscher <stevenb@suse.de>
4830 * varasm.c (assemble_start_function): Don't do anything that may
4831 require a CFG if the current function is a thunk.
4833 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4835 * doc/install.texi (Prerequisites): Mention that perl is needed
4836 to do export control in libstdc++ targetting Darwin.
4838 2005-07-27 Steven Bosscher <stevenb@suse.de>
4840 PR rtl-optimization/17808
4841 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4842 (sched_insns_conditions_mutex_p): Split out from...
4843 (add_dependence): ...here. But don't call it from here.
4844 (add_dependence_list): Check sched_insns_conditions_mutex_p
4845 before calling add_dependence.
4846 (add_dependence_list_and_free): Likewise.
4847 (fixup_sched_groups): Likewise.
4848 (sched_analyze_1): Likewise.
4849 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4850 (sched_analyze): Likewise.
4851 (sched_analyze_insn): Likewise.
4852 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4853 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4854 dependencies on all COND_EXEC insns to jumps ending basic blocks
4855 when doing intrablock scheduling.
4856 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4858 2005-07-27 Jeff Law <law@redhat.com>
4860 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4861 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4862 equivalency sets, correctly handle the case were vr0 has an
4863 equivalency set, but vr1 does not.
4865 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4867 PR tree-optimization/23073
4868 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4869 vect_print_dump_info before fprintf.
4871 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4873 PR tree-optimize/22348
4874 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4875 Fold the partial computation.
4877 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4879 PR tree-optimization/22325
4880 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4882 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4884 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4885 (force_var_cost): ... this function.
4886 (compute_phi_arg_on_exit): Export.
4888 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4890 PR tree-optimization/20773
4891 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4894 2005-07-27 Richard Guenther <rguenther@suse.de>
4896 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4897 Avoid pushing again if current struct contains only
4898 fields we decomposed.
4900 2005-07-27 Jan Hubicka <jh@suse.cz>
4902 PR tree-optimization/22574
4903 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4906 * tree-tailcall.c (decrease_profile): New function.
4907 (eliminate_tail_call): Use it.
4909 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4910 visibility flags correctly in whole program mode.
4912 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4914 PR rtl-optimization/22472
4915 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4917 2005-07-26 Steven Bosscher <stevenb@suse.de>
4919 PR tree-optimization/22504
4920 * tree-complex.c (expand_complex_addition): Use 'code' instead
4921 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4923 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4925 * config.gcc (cpu_type): Add frv case.
4926 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4927 (supported_defaults): Add fr550 case.
4929 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4932 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4933 whether a pointer of type T * may point to objects of type T *.
4935 2005-07-26 DJ Delorie <dj@redhat.com>
4937 * configure: Regenerate.
4939 2005-07-26 Dale Johannesen <dalej@apple.com>
4941 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4943 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4945 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4946 Clarify use of "build" in name.
4948 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4950 * doc/extend.texi (Raw read/write Functions): New section.
4951 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4952 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4953 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4954 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4955 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4956 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4957 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4958 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4959 * config/frv/frv.c: Add bdesc_loads global.
4960 Add bdesc_stores global.
4961 (frv_init_builtins): Add support for __builtin_{read/write}*.
4962 (frv_volatile_memref): New.
4963 (frv_expand_load_builtin): New.
4964 (frv_expand_store_builtin): New.
4965 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4966 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4967 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4968 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4969 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4970 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4971 (builtin_read_<mode>): New.
4972 (builtin_write_<mode>): New.
4973 (builtin_write64): New.
4974 (optional_membar_<mode>): New.
4976 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4978 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4979 (rather than units) against HOST_BITS_PER_WIDE_INT.
4981 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4983 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4984 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4985 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4986 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4989 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4990 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4991 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4993 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4995 2005-07-26 Richard Guenther <rguenther@suse.de>
4997 PR tree-optimization/22486
4998 * fold-const.c (fold_unary): Fold away useless component
4999 references of the form (T *)&T.x, if the address
5002 2005-07-25 James E Wilson <wilson@specifixinc.com>
5004 * dwarf2out.c (add_call_src_coords_attributes): New.
5005 (gen_inlined_subroutine_die): Call it.
5006 (maybe_emit_file, init_file_table): Add comments.
5007 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5009 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5010 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5011 * tree.h (BLOCK_SOURCE_LOCATION): New.
5012 (struct tree_block): New field locus.
5014 2005-07-26 Andreas Schwab <schwab@suse.de>
5016 PR rtl-optimization/23043
5017 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5018 when allocating a struct unoccr.
5020 2005-07-25 Richard Henderson <rth@redhat.com>
5023 * tree-complex.c (gate_no_optimization): True if errors.
5024 * Makefile.in (tree-complex.o): Update dependencies.
5026 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5028 * config/frv/predicates.md (integer_register_operand): Use
5031 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5034 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5036 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5038 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5040 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5041 types when flag_unsafe_math_optimizations is true.
5043 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5045 * gcc.c (option_map): Add --sysroot.
5046 (process_command): Handle --sysroot.
5047 (display_help): Document it.
5048 * doc/cppopts.tex (-isysroot): Document.
5049 * doc/invoke.texi (--sysroot): Document.
5050 * doc/install.texi (--with-build-sysroot): Document.
5052 * Makefile.in (inhibit_libc): New variable.
5053 (INHIBIT_LIBC_CFLAGS): Likewise.
5054 (LIBGCC2_CFLAGS): Include
5055 $(INHIBIT_LIBC_CFLAGS).
5056 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5057 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5058 ($(T)crtend.o): Likewise.
5059 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5060 ($(T)crtendS.o): Likewise.
5061 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5062 ($(T)crtendT.o): Likewise.
5063 (stmp-fixinc): Do not complain about missing headers if
5065 * configure.ac (inhibit_libc): Set it to true/false.
5066 (--with-build-sysroot): New option. Use it to set
5068 * configure: Regenerated.
5070 2005-07-25 Manfred Hollstein <mh@suse.com>
5072 * calls.c (store_one_arg): Fix unsigned comparison warning.
5074 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5077 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5078 (ggc_print_statistics): Initialize variable before use.
5080 2005-07-25 Richard Guenther <rguenther@suse.de>
5082 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5083 calling with a PHI_NODE argument.
5085 * tree-flow-inline.h (overlap_subvar): Protect against
5088 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5090 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5091 * configure: Regenerate.
5093 2005-07-25 Ira Rosen <irar@il.ibm.com>
5095 * expr.c (highest_pow2_factor): Make extern.
5096 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5097 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5098 record_array_differ_p, array_ptr_differ_p): Likewise.
5099 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5100 additional cases. Call the above functions.
5101 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5102 base_object_differ_p when there are two base objects. Otherwise, compare
5103 base address and offset. Call may_alias_p.
5104 (dump_data_reference): Use a correct field name.
5105 (analyze_array): Make static. Initialize new data-ref fields.
5106 (analyze_indirect_ref): New function.
5107 (init_data_ref): Initialize new data-ref fields.
5108 (strip_conversion): Moved from tree-vect-analyze.c.
5109 (analyze_offset_expr, get_ptr_offset, address_analysis,
5110 object_analysis): Likewise.
5111 (analyze_offset): New function.
5112 (create_data_ref): Likewise.
5113 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5114 dimensions for ARRAY_REFs only.
5115 (build_classic_dist_vector): Make static.
5116 (access_functions_are_affine_or_constant_p): Call macro to get the
5117 address of access functions.
5118 (compute_all_dependences): Add new parameter
5119 compute_self_and_read_read_dependences. Compute self and read-read
5120 dependences if it is true.
5121 (find_data_references_in_loop): Call create_data_ref. Initialize new
5123 (compute_data_dependences_for_loop): Add new parameter
5124 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5125 compute nb_loops. Call compute_all_dependences,
5126 build_classic_dist_vector and build_classic_dir_vector with correct
5128 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5129 with correct parameters. Compare dimensions for ARRAY_REFs only.
5130 (free_data_refs): Call macro to free access functions.
5131 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5132 fields from stmt_vinfo.
5133 (struct base_object_info): New structure.
5134 (struct data_reference): Move fields to base_object_info. Add fields
5135 first_location and object_info for above structures. Move fields from
5136 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5137 aligned_to. Add macros to access the new fields.
5138 Update functions declarations.
5139 * tree-flow.h (is_aliased_with): Declare.
5140 * tree-loop-linear.c (linear_transform_loops): Call
5141 compute_data_dependences_for_loop with correct parameters.
5142 * tree-ssa-alias.c (is_aliased_with): New function.
5143 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5144 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5145 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5146 vect_base_addr_differ_p, compute_subscript_distance and
5147 build_classic_dist_vector. Add printings. Check absolute value of
5149 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5151 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5152 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5153 to bytes. Add printing.
5154 (vect_compute_data_refs_alignment): Go through loads and stores in one
5156 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5157 vect_analyze_data_ref_access): Likewise.
5158 (vect_analyze_pointer_ref_access): Remove.
5159 (vect_address_analysis, vect_object_analysis): Likewise.
5160 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5161 and analyze data-refs in the loop.
5162 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5163 fields of data-ref instead of stmt. Add init to the offset from the
5165 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5166 (vect_update_init_of_dr): Likewise.
5167 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5168 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5170 (new_loop_vec_info): Initialize new fields.
5171 (destroy_loop_vec_info): Free new fields.
5172 (vect_strip_conversion): Remove.
5173 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5174 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5175 datarefs. Add new field ddrs.
5176 Add macros for the new fields access.
5177 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5178 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5179 Remove their macros.
5180 * tree.h (highest_pow2_factor): Declare.
5182 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5184 * calls.c (store_one_arg): Check for sibling call MEM arguments
5185 from already clobbered incoming argument area.
5187 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5189 * c-common.c (check_missing_format_attribute): New.
5190 * c-common.h (check_missing_format_attribute): Likewise.
5191 * c-typeck.c (convert_for_assignment): Use it.
5193 2005-07-24 Andreas Schwab <schwab@suse.de>
5195 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5196 register use a word move. Correct operand of ext.w in 68000 code.
5198 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5200 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5201 variables as declarations, rather than definitions.
5203 2005-07-24 Ira Rosen <irar@il.ibm.com>
5205 PR tree-optimization/22526
5206 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5209 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5211 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5212 that C99 reserve for future use. Use it to define clog10,
5213 clog10f and clog10l.
5215 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5217 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5218 * configure.ac: Check for -Wmissing-format-attribute.
5220 * configure: Regenerate.
5222 2005-07-23 Richard Henderson <rth@redhat.com>
5224 PR tree-optimization/22623
5225 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5227 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5230 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5232 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5234 * Makefile.in (C_TREE_H): Update dependencies.
5235 * c-tree.h: Include toplev.h.
5236 * diagnostic.h (diagnostic_set_info): Add format attribute.
5237 * rtl-error.c (diagnostic_for_asm): Likewise.
5239 2005-07-23 Chao-ying Fu <fu@mips.com>
5241 * config/mips/mips-dsp.md: New file.
5242 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5243 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5245 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5246 MIPS_BUILTIN_BPOSGE32.
5247 (mips_expand_builtin_direct): Add one parameter to indicate that
5248 builtin functions need to return a value.
5249 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5251 (mips_regno_to_class): Add classes for 12 new DSP registers.
5252 (mips_subword): Change to check four HI registers.
5253 (mips_output_move): Output move to and from 6 new DSP accumulators.
5254 (override_options): Make sure -mdsp and -mips16 are not used together.
5255 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5257 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5259 (print_operand): Add 'q' for printing DSP accumulators.
5260 (mips_cannot_change_mode_class): Check ACC_REGS.
5261 (mips_secondary_reload_class): Check ACC_REGS.
5262 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5263 (mips_register_move_cost): Check ACC_REGS.
5264 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5265 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5266 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5267 (dsp_bdesc): New array.
5268 (bdesc_arrays): Add DSP builtin function table.
5269 (mips_prepare_builtin_arg): Check predicate again after
5271 (mips_expand_builtin): Add one more parameter to
5272 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5273 MIPS_BUILTIN_BPOSGE32.
5274 (mips_init_builtins): Initialize new function types.
5275 (mips_expand_builtin_direct): Check if builtin functions need to
5276 return a value and pass operands properly.
5277 (mips_expand_builtin_bposge): New function.
5278 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5279 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5280 (FIRST_PSEUDO_REGISTER): Increase to 188.
5281 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5282 Update for 12 new DSP registers.
5283 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5284 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5285 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5286 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5287 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5288 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5289 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5290 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5291 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5292 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5293 (REGISTER_NAMES): Add names for 12 new DSP registers.
5294 * config/mips/mips.md: Include mips-dsp.md.
5295 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5296 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5297 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5298 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5299 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5300 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5301 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5302 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5303 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5304 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5305 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5306 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5307 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5308 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5309 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5310 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5311 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5312 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5313 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5314 (UNSPEC_RDDSP): New constants.
5315 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5316 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5318 * config/mips/mips.opt (-mdsp): New option.
5319 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5320 (reg_imm10_operand): New predicates.
5321 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5322 * doc/invoke.texi (-mdsp): Document new option.
5324 2005-07-22 DJ Delorie <dj@redhat.com>
5326 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5328 * tree-inline.c (inlinable_function_p): Likewise.
5330 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5333 * toplev.c (check_global_declarations): Do not mark undefined
5334 variables as DECL_IGNORED_P.
5335 * varasm.c (first_global_object_name): GTY it.
5336 (weak_global_object_name): Likewise.
5337 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5338 a string to go into {weak,first}_global_object_name.
5340 2005-07-22 DJ Delorie <dj@redhat.com>
5342 * c-format.c (check_function_format): Change warning control
5343 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5345 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5347 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5348 &PTR->FLD a dereference of PTR.
5349 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5350 a potential dereference of PTR.
5352 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5354 PR rtl-optimization/20370
5355 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5356 call allocate_reg_info if necessary.
5358 PR rtl-optimization/21848
5359 * calls.c (emit_library_call_value_1): For const functions, add
5360 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5362 PR rtl-optimization/22445
5363 * cselib.c (target.h): Include.
5364 (rtx_equal_for_cselib_p): Allow commutative matches.
5365 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5366 Remove MODE parameter. Changed all callers.
5368 PR rtl-optimization/22258
5369 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5371 (try_combine): Use likely_spilled_retval_p.
5373 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5375 * config.gcc: Add crx-elf support.
5377 * doc/contrib.texi: Mention crx.
5378 * doc/extend.texi: Document crx extensions.
5379 * doc/install.texi: Document crx install.
5380 * doc/invoke.texi: Document crx options.
5381 * doc/md.texi: Document crx constraints.
5383 * config/crx/crx-protos.h: New file.
5384 * config/crx/crx.c: New file.
5385 * config/crx/crx.h: New file.
5386 * config/crx/crx.md: New file.
5387 * config/crx/crx.opt: New file.
5388 * config/crx/t-crx: New file.
5390 2005-07-22 Manfred Hollstein <mh@suse.com>
5392 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5394 (int_add_graph_edge): Likewise.
5395 (collapse_nodes): Likewise.
5396 (process_unification_queue): Likewise.
5398 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5399 Laurent GUERBY <laurent@guerby.net>
5401 PR tree-optimization/22336
5402 * function.c (record_block_change): Check for
5403 cfun->ib_boundaries_block.
5405 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5407 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5408 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5410 2005-07-21 DJ Delorie <dj@redhat.com>
5412 * toplev.c (warn_deprecated_use): Add warning control to warning
5414 * c-typeck.c (parser_build_binary_op): Likewise.
5415 (c_finish_if_stmt): Likewise.
5416 * c-common.c (check_function_sentinel): Likewise.
5417 (check_nonnull_arg): Likewise.
5419 2005-07-21 Richard Henderson <rth@redhat.com>
5422 * tree-complex.c (complex_ssa_name_components): New.
5423 (cvc_lookup): Allow entry not found.
5424 (create_components): Remove.
5425 (create_one_component_var, get_component_var): New.
5426 (get_component_ssa_name, set_component_ssa_name): New.
5427 (extract_component): Use get_component_ssa_name.
5428 (update_complex_components): Use set_component_ssa_name.
5429 (update_complex_components_on_edge): Likewise.
5430 (update_phi_components): Create new PHI nodes directly, instead
5431 of adding insns to edges.
5432 (tree_lower_complex): Allocate and free complex_variable_components
5433 and complex_ssa_name_components here.
5435 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5437 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5438 revert to returning false.
5440 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5443 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5445 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5448 * config/i386/i386.md (cmpxf): Change operand constraints
5449 to "nonmemory_operand".
5451 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5453 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5455 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5458 * fold-const.c (fold_build1): Add checksum for the operands.
5459 (fold_build2): Likewise.
5460 (fold_build3): Likewise.
5462 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5465 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5467 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5469 * common.opt (-fforward-propagate): Committed by mistake,
5472 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5474 * reg-stack.c: Fix comment typo(s).
5475 * tree-ssa-operands.c: Likewise.
5476 * tree-vectorizer: Likewise.
5478 2005-07-21 Nick Clifton <nickc@redhat.com>
5480 * config/sh/symbian.c: Replace C++ style line comments with C
5481 style line comments.
5482 (symbian_add_attribute): Do not use a ? operator on the LHS of
5484 (sh_symbian_handle_dll_attribute): Change the type of the
5485 method vector to "VEC(tree,gc)*" and use vector accessor
5486 macros to walk over the elements.
5487 (symbian_export_vtable_and_rtti_p): Likewise.
5488 (symbian_class_needs_attribute_p): Likewise.
5490 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5493 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5494 initialize targetm.resolve_overloaded_builtin here.
5495 (altivec_expand_overloaded_builtin): Make it non-static.
5496 * config/rs6000/rs6000-protos.h
5497 (altivec_expand_overloaded_builtin): New prototype.
5498 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5499 targetm.resolve_overloaded_builtin here.
5500 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5502 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5503 Zdenek Dvorak <dvorakz@suse.cz>
5505 PR tree-optimization/19210
5506 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5508 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5509 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5510 rely on unproven assumptions.
5511 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5512 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5513 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5514 to number_of_iterations_exit.
5515 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5516 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5517 * tree-ssa-loop-niter.c (find_loop_niter,
5518 estimate_numbers_of_iterations_loop): Likewise.
5519 (number_of_iterations_exit): Honor the new options.
5520 * doc/invoke.texi (Wunsafe-loop-optimizations,
5521 funsafe-loop-optimizations): Document them.
5523 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5525 PR rtl-optimization/22167
5526 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5528 2005-07-20 Adam Nemet <anemet@lnxw.com>
5530 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5531 __do_global_dtors_aux longcall.
5533 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5535 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5536 (old_special_pred_table): Don't reference
5537 SPECIAL_MODE_PREDICATES.
5538 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5539 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5540 * config/sh/predicates.h: Don't mention
5541 SPECIAL_MODE_PREDICATES.
5542 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5545 2005-07-20 DJ Delorie <dj@redhat.com>
5547 * config.gcc: Add m32c-elf support.
5549 * doc/contrib.texi: Mention m32c.
5550 * doc/extend.texi: Document m32c extensions.
5551 * doc/install.texi: Mention m32c.
5552 * doc/invoke.texi: Document m32c options.
5553 * doc/md.texi: Document m32c constraints.
5555 * config/m32c/addsub.md: New file.
5556 * config/m32c/bitops.md: New file.
5557 * config/m32c/cond.md: New file.
5558 * config/m32c/jump.md: New file.
5559 * config/m32c/m32c-lib1.S: New file.
5560 * config/m32c/m32c-lib2.c: New file.
5561 * config/m32c/m32c-modes.def: New file.
5562 * config/m32c/m32c-pragma.c: New file.
5563 * config/m32c/m32c-protos.h: New file.
5564 * config/m32c/m32c.abi: New file.
5565 * config/m32c/m32c.c: New file.
5566 * config/m32c/m32c.h: New file.
5567 * config/m32c/m32c.md: New file.
5568 * config/m32c/m32c.opt: New file.
5569 * config/m32c/minmax.md: New file.
5570 * config/m32c/mov.md: New file.
5571 * config/m32c/muldiv.md: New file.
5572 * config/m32c/predicates.md: New file.
5573 * config/m32c/prologue.md: New file.
5574 * config/m32c/shift.md: New file.
5575 * config/m32c/t-m32c: New file.
5577 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5579 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5580 (stack_protect_set, stack_protect_test): New expanders.
5581 (stack_protect_set_si, stack_protect_set_si_media,
5582 stack_protect_set_di_media, stack_protect_test_si,
5583 stack_protect_test_si_media, stack_protect_test_di_media):
5586 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5588 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5590 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5592 * tree.h (tree_expr_nonzero_p): Export.
5593 * fold-const.c (tree_expr_nonzero_p): Likewise.
5594 Return true for CALL_EXPRs that are alloca calls.
5595 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5597 * tree-flow.h (expr_computes_nonzero): Remove.
5598 * tree-vrp.c (expr_computes_nonzero): Remove.
5599 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5600 (extract_range_from_unary_expr): Likewise.
5601 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5602 tree_expr_nonzero_p.
5604 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5606 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5607 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5608 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5609 All callers changed.
5610 (frame_related_constant_load): New arg "related" which controls
5611 setting of RTX_FRAME_RELATED_P. All callers changed.
5612 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5613 (bfin_expand_prologue): Add stack limit checking.
5614 * config/bfin/bfin.md (trapifcc): New pattern.
5616 * config/bfin/bfin.c: Include "langhooks.h".
5617 (def_builtin): Go through lang_hooks to call builtin_function.
5619 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5620 * config/bfin/predicates.md (symbol_ref_operand): New.
5621 (call_insn_operand): Delete. All callers changed to use
5622 register_no_elim_operand.
5623 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5625 (function_arg): Use it to generate the call's operand 2.
5626 (bfin_longcall_p): New function.
5627 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5628 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5629 determine if the address needs to be in a REG.
5630 (bfin_handle_longcall_attribute): New function.
5631 (bfin_attribute_table): Add "longcall" and "shortcall".
5632 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5633 (CUMULATIVE_ARGS): New member call_cookie.
5634 (PREDICATE_CODES): Add symbol_ref_operand.
5635 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5636 extra USE to the pattern.
5637 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5638 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5639 sibcall_value_insn; now the new patterns handle direct calls and the
5640 old ones indirect calls.
5641 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5643 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5645 * doc/trouble.texi: Update section on handling of empty loops.
5647 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5649 * config.gcc: Remove support for sparc-*-openbsd*,
5650 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5652 * config.host: Remove support for i860-*-sysv4* as a host.
5653 * config/i860/*, config/ip2k/*, config/ns32k/*,
5654 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5655 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5656 mention obsolete ports.
5658 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5660 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5662 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5663 of frame_pointer_rtx.
5664 (sh_expand_epilogue): Likewise.
5665 (sh_set_return_address): Likewise.
5666 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5667 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5668 offsets from FRAME_POINTER_REGNUM.
5669 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5670 (sh_register_names): Add initializer for sfp.
5671 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5672 (VALID_REGISTER_P): Likewise.
5673 (FIRST_PSEUDO_REGISTER): Update.
5674 (DWARF_FRAME_REGISTERS): Define.
5675 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5676 (HARD_FRAME_POINTER_REGNUM): Define.
5677 (FRAME_POINTER_REGNUM): Redefine.
5678 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5679 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5680 from FRAME_POINTER_REGNUM.
5681 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5682 FRAME_POINTER_REGNUM.
5683 (REG_CLASS_CONTENTS): Add sfp.
5684 (REG_ALLOC_ORDER): Likewise.
5685 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5686 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5687 of frame_pointer_rtx.
5688 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5690 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5692 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5693 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5694 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5696 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5699 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5701 Make CONSTRUCTOR use VEC to store initializers.
5702 * c-common.c (complete_array_type): Update to cope with VEC in
5704 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5705 (pp_c_constructor_elts): New function.
5706 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5707 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5708 struct constructor_stack, struct initializer_stack,
5709 constructor_elements, push_init_level, pop_init_level,
5710 add_pending_init, find_init_member, output_init_element): Update to
5711 cope with VEC in CONSTRUCTOR_ELTS.
5712 * coverage.c (build_fn_info_value, build_ctr_info_value,
5713 build_gcov_info): Likewise.
5714 * expr.c (categorize_ctor_elements_1, store_constructor,
5715 expand_expr_real_1): Likewise.
5716 * fold-const.c (fold_ternary): Likewise.
5717 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5718 gimplify_init_constructor, gimplify_expr): Likewise.
5719 * tree-dump.c (dequeue_and_dump): Likewise.
5720 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5722 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5724 * tree-sra.c (generate_element_init_1): Likewise.
5725 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5726 * tree-ssa-operands.c (get_expr_operands): Likewise.
5727 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5728 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5729 (get_initial_def_for_reduction): Likewise.
5730 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5731 value handle in annotations.
5732 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5733 tree_node_structure): Add support for constr_kind.
5734 (build_vector_from_ctor, build_constructor_single,
5735 build_constructor_from_list): New functions.
5736 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5737 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5738 Update to cope with VEC in CONSTRUCTOR_ELTS.
5739 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5740 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5741 CONSTRUCTOR_APPEND_ELT): New macros.
5742 (struct constructor_elt, struct tree_constructor): New data types.
5743 (union tree_node): Add tree_constructor field.
5744 * treestruct.def: Define TS_CONSTRUCTOR.
5745 * varasm.c (const_hash_1, compare_constant, copy_constant,
5746 compute_reloc_for_constant, output_addressed_constants,
5747 initializer_constant_valid_p, output_constant,
5748 array_size_for_constructor, output_constructor): Update to cope with
5749 VEC in CONSTRUCTOR_ELTS.
5750 * vec.h (VEC_empty, VEC_copy): New macros.
5752 2005-07-19 Devang Patel <dpatel@apple.com>
5754 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5756 2005-07-19 Richard Henderson <rth@redhat.com>
5759 * gimplify.c (gimplify_expr): Use main variant type for the temp
5760 destination for a discarded volatile read.
5761 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5762 casts between non-void types that change volatility.
5764 2005-07-15 DJ Delorie <dj@redhat.com>
5766 * toplev.h: Add comment about the first parameter for warning().
5767 * errors.h: Likewise.
5769 * c.opt (Wpragmas): New.
5770 * doc/invoke.texi: Document it.
5772 * function.c (do_warn_unused_parameter): Add warning control to
5774 * c-decl.c (warn_if_shadowing): Likewise.
5775 * c-lex.c (cb_def_pragma): Likewise.
5776 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5777 (pop_alignment): Likewise.
5778 (handle_pragma_pack): Likewise.
5779 (apply_pragma_weak): Likewise.
5780 (handle_pragma_weak): Likewise.
5781 (handle_pragma_redefine_extname): Likewise.
5782 (add_to_renaming_pragma_list): Likewise.
5783 (handle_pragma_extern_prefix): Likewise.
5784 (maybe_apply_renaming_pragma): Likewise.
5785 (handle_pragma_visibility): Likewise.
5787 * config/c4x/c4x-c.c (BAD): Likewise.
5788 (c4x_parse_pragma): Likewise.
5789 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5790 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5791 (rs6000_pragma_longcall): Likewise.
5792 * config/v850/v850-c.c (pop_data_area): Likewise.
5793 (ghs_pragma_section): Likewise.
5794 (ghs_pragma_section): Likewise.
5795 (ghs_pragma_interrupt): Likewise.
5796 (ghs_pragma_starttda): Likewise.
5797 (ghs_pragma_startsda): Likewise.
5798 (ghs_pragma_startzda): Likewise.
5799 (ghs_pragma_endtda): Likewise.
5800 (ghs_pragma_endsda): Likewise.
5801 (ghs_pragma_endzda): Likewise.
5803 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5804 Kenneth Zadeck <zadeck@naturalbridge.com>
5806 * Makefile.in: Removed tree-promote-statics.c
5807 * tree-promote-statics.c: Removed.
5808 * common.opt: Removed flag-promote-statics.
5810 * passes.c: Removed tree-promote-statics pass.
5811 * tree-pass.h: Ditto.
5812 * timevar.def: Removed TV_PROMOTE_STATICS.
5815 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5817 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5819 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5821 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5824 * c-common.c (check_function_arguments): Call
5825 'check_function_format' if either -Wformat or
5826 -Wmissing-format-attribute are specified.
5827 * c-format.c (check_function_format): Check -Wformat before
5828 calling 'check_format_info'.
5829 * c-opts.c (c_common_post_options): Don't warn for
5830 -Wmissing-format-attribute without -Wformat.
5831 * c-typeck.c (convert_for_assignment): Detect additional cases for
5832 -Wmissing-format-attribute.
5833 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5836 2005-07-19 Richard Guenther <rguenther@suse.de>
5838 * config/i386/i386.md (lrint<mode>2): Use temporary
5839 instead of clobbering non-existent memory.
5841 2005-07-19 Nick Clifton <nickc@redhat.com>
5843 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5844 statement to avoid displaying ASCII control characters.
5846 2005-07-19 Ben Elliston <bje@au.ibm.com>
5848 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5849 * cfganal.c (find_edge_index): Ditto.
5850 * combine.c (combine_instructions): Ditto.
5851 * ddg.c (create_scc): Ditto.
5852 (find_successors): Ditto.
5853 (find_predecessors): Ditto.
5854 (find_nodes_on_paths): Ditto.
5855 (longest_simple_path): Ditto.
5856 * flow.c (update_life_info): Ditto.
5857 (count_or_remove_death_notes): Ditto.
5858 (clear_log_links): Ditto.
5859 * modulo-sched.c (generate_reg_moves): Ditto.
5860 (find_max_asap): Ditto.
5861 (find_max_hv_min_mob): Ditto.
5862 (find_max_dv_min_mob): Ditto.
5863 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5864 * sched-rgn.c (extract_edgelst): Ditto.
5865 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5866 (dump_update_ssa): Ditto.
5867 (ssa_names_to_replace) Ditto.
5868 (switch_virtuals_to_full_rewrite): Ditto.
5869 (update_ssa): Ditto.
5870 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5872 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5874 Fix PR tree-optimization/22483
5876 * tree-complex.c (create_components): Use
5877 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5878 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5879 * tree-flow.h (safe_referenced_var_iterator): New structure.
5880 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5881 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5882 safe_referenced_var iterator.
5883 (add_type_alias): Ditto.
5885 2005-07-19 Steven Bosscher <stevenb@suse.de>
5887 * loop-init.c (rest_of_handle_loop2): Remove.
5888 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5889 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5890 (pass_rtl_loop_init, pass_rtl_loop_done,
5891 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5892 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5893 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5894 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5895 pass_tree_loop_done, and pass_tree_unswitch.
5896 (gate_loop): Rename to gate_tree_loop.
5897 * passes.c (init_optimization_passes): Update for renamed tree
5898 loop passes. Add the new loop2 passes as subpasses of loop2.
5899 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5900 Update for the renamed tree loop passes.
5902 2005-07-18 Ian Lance Taylor <ian@airs.com>
5905 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5906 blocks when optimizing.
5908 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5910 * common.opt (frename-registers): Initialize to 2.
5912 (fgcse-after-reload): Ditto.
5913 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5914 (process_options): Only change flag_web, flag_rename_registers,
5915 and flag_rerun_cse_after_loop if not explicitly set by user.
5917 2005-07-18 Jan Beulich <jbeulich@novell.com>
5919 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5920 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5921 in 64-bit mode the same as DImode in 32-bit mode.
5922 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5923 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5924 mode. Add new mode parameter.
5925 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5926 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5927 x86_64_shift_adj): New expanders.
5928 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5929 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5931 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5932 DImode shift splitters.
5933 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5934 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5937 2005-07-18 Jan Beulich <jbeulich@novell.com>
5939 * i386.md (movdi_extzv_1): New.
5940 (zero_extendhidi2): Combine alternatives and never force use of
5942 (zero_extendqidi2): Likewise. Don't restrict input selection.
5944 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5946 Fix PR tree-optimization/22531
5947 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5950 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5952 * tree-promote-statics.c (pass_promote_statics): Change dump file
5955 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5957 * tree-optimize.c (init_tree_optimization_passes): Add
5958 pass_eliminate_useless_stores pass.
5959 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5960 * tree-ssa-pre.c (is_copy_stmt): New function.
5961 (follow_copies_till_vuse): Ditto.
5962 (do_eustores): Ditto.
5963 (gate_eustores): Ditto.
5965 2005-07-16 Richard Henderson <rth@redhat.com>
5967 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5969 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5970 Kenneth Zadeck <zadeck@naturalbridge.com>
5972 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5973 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5974 ipa-type-escape.h, tree-promote-statics.c
5975 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5976 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5977 tree-promote-statics.c: new files.
5978 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5979 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5980 int nonlocal_set_p, mark_constant_function): Deleted.
5981 (rest_of_handle_cfg): Removed call to mark_constant_function.
5982 (nonoverlapping_component_refs_p): Added calls to support
5983 type based aliasing.
5984 * tree-ssa-alias.c (may_alias_p,
5985 compute_flow_insensitive_aliasing): Ditto.
5986 * calls.c (flags_from_decl_or_type): Removed reference to
5988 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5989 too many arguments. This is necessary for Spec 2000.
5990 * cgraph.h (const_function, pure_function): Removed.
5991 * common.opt: Added "fipa-pure-const", "fipa-reference",
5992 "fipa-type-escape", and "ftree-promote-static".
5994 * passes.c: Added ipa and tree-promote-statics passes.
5995 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5996 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5997 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5998 * tree-flow.h: Added exposed sra calls and addition of
5999 reference_vars_info field for FUNCTION_DECLS.
6000 * tree-pass.h: Added passes.
6001 * tree-sra.c: (sra_init_cache): New function.
6002 (sra_insert_before, sra_insert_after) Made public.
6003 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6005 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6006 aliasing. (may_alias_p): Added code to use type escape analysis to
6008 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6009 code to prune clobbers of static variables based on information
6010 produced in ipa-reference pass. Changed call clobbering so that
6011 statics are not marked as clobbered if the call does not clobber
6014 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6016 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6019 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6021 * doc/install.texi (*-*-solaris2*): Document recommended version
6022 of GNU binutils and mention GNU linker problem on Solaris 10.
6024 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6027 * c-decl.c (c_build_bitfield_integer_type): New function.
6028 (finish_struct): Call it.
6029 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6031 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6036 2005-07-16 Jan Hubicka <jh@suse.cz>
6038 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6039 (scale_bbs_frequencies_int): Watch roundoff errors.
6040 * predict.c (return_prediction): Initialize return_stmt.
6042 2005-07-16 Jan Hubicka <jh@suse.cz>
6044 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6045 after RTL profiling.
6047 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6050 * fold-const.c (build_range_check): Convert high/low to etype
6051 if we are only comparing against exp.
6053 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6055 Fix PR tree-optimization/22376
6056 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6058 (need_to_solve): New function.
6059 (compute_points_to_sets): Use it.
6061 2005-07-15 Jan Hubicka <jh@suse.cz>
6063 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6064 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6066 2005-07-15 Richard Guenther <rguenther@suse.de>
6068 * c-common.c (handle_flatten_attribute): New function.
6069 Add flatten function attribute.
6070 * doc/extend.texi: Document flatten function attribute.
6071 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6072 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6074 (cgraph_decide_inlining): Handle functions with flatten
6077 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6079 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6080 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6081 UNSPEC_XCHG, UNSPEC_AND): New.
6082 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6083 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6084 * config/rs6000/sync.md (FETCHOP): New code macro.
6085 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6087 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6088 (sync_compare_and_swap<mode>): Same.
6089 (sync_lock_test_and_set<mode>): Same.
6090 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6091 for QImode and HImode, and not PPC405.
6092 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6093 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6094 (sync_<fetchop>{si,di}_internal): New.
6095 (sync_nand{si,di}_internal): New.
6096 (sync_old_<fetchop>{si,di}_internal): New.
6097 (sync_old_nand{si,di}_internal): New
6098 (sync_new_<fetchop>{si,di}_internal): New.
6099 (sync_new_nand{si,di}_internal): New.
6100 (atomic_and{si,di}): New.
6101 (sync_new_nand{si,di}_internal): New.
6102 (atomic_and{si,di}): New.
6103 (sync_add<mode>_internal): Delete.
6104 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6105 (sync_sub<mode>_internal): Delte.
6106 (sync_subshort_internal): New.
6107 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6108 (sync_anddi_internal): Delete.
6109 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6110 (sync_booldi_internal): Delete.
6111 (sync_boolc<mode>_internal): Delete.
6112 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6113 (sync_boolc<mode>_internal2): Delete.
6114 (sync_boolcc<mode>_internal): Delete.
6115 (isync, lwsync): Use unspec instead of unspec_volatile.
6116 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6117 Revert UNSPEC_VOLATILE.
6118 (rs6000_split_atomic_op): New.
6119 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6121 2005-07-14 Eric Christopher <echristo@redhat.com>
6123 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6124 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6126 2005-07-14 Eric Christopher <echristo@redhat.com>
6128 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6130 2005-07-14 Steven Bosscher <stevenb@suse.de>
6132 PR tree-optimization/22230
6133 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6134 the computation of the four cross productions for "range op range".
6136 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6137 Ulrich Weigand <uweigand@de.ibm.com>
6140 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6143 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6145 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6147 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6149 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6151 2005-07-14 Richard Guenther <rguenther@suse.de>
6154 * config/i386/i386-protos.h (ix86_function_value): Change
6155 prototype to match new target hook.
6156 * config/i386/i386.c (ix86_value_regno): Change prototype
6157 to take extra type argument.
6158 (TARGET_FUNCTION_VALUE): Define.
6159 (ix86_function_ok_for_sibcall): Pass extra argument to
6160 ix86_value_regno, check return slot rtx for exact match.
6161 (ix86_function_value): Take extra parameter. Dispatch to
6162 ix86_value_regno with fndecl/fntype as provided.
6163 (ix86_value_regno): Handle extra type argument.
6164 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6166 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6167 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6168 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6169 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6170 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6172 2005-07-14 Richard Guenther <rguenther@suse.de>
6174 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6175 * calls.c (expand_call): Pass fntype to hard_function_value.
6176 (emit_library_call_value_1): Likewise.
6177 * explow.c: Include target.h.
6178 (hard_function_value): Take extra argument, the fntype.
6179 Use new target hook for function_value.
6180 * expr.h (hard_function_value): Change prototype.
6181 * function.c (aggregate_value_p): Pass 0 as fntype to
6182 hard_function_value.
6183 (assign_parms): Use new target hook for function_value.
6184 Pass 0 as fntype to hard_function_value.
6185 (expand_function_end): Likewise.
6186 * reg-stack.c: Include target.h.
6187 (stack_result): Use new target hook for function_value.
6188 * target-def.h: New target hook function_value.
6189 * target.h: Likewise.
6190 * targhooks.c (default_function_value): New function.
6191 * targhooks.h (default_function_value): Declare.
6193 2005-07-13 Ian Lance Taylor <ian@airs.com>
6195 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6197 2005-07-14 Jan Hubicka <jh@suse.cz>
6199 * tree-dfa.c (dump_variable): Use default_def function.
6200 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6201 * tree-ssa.c (verify_use): Likewise.
6202 * tree-ssanames.c (release_ssa_name): Likewise.
6203 * tree-tailcall.c (eliminate_tail_call): Likewise.
6204 (tree_optimize_tail_calls_1): Likewise.
6205 * tree-vrp.c (get_value_range): Likewise.
6207 2005-07-14 Ben Elliston <bje@au.ibm.com>
6209 * gcc.c (main): Compare language[0] with '*' when iterating over
6212 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6214 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6215 "s390_emit_compare". Add handling of CCZ1mode.
6216 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6217 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6219 (s390_branch_condition_mask): Add CCZ1mode handling.
6220 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6221 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6222 Use CCZ1mode instead of CCZmode.
6223 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6225 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6227 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6229 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6231 2005-07-13 Eric Christopher <echristo@redhat.com>
6233 * config/mips/mips.c (mips_canonicalize_comparison): New.
6234 (mips_emit_int_relational): Use.
6236 2005-07-13 Eric Christopher <echristo@redhat.com>
6238 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6240 * config/s390/s390.md: Include tpf.md. Move tpf specific
6242 * config/s390/tpf.md: To here.
6243 * config/s390/s390.opt: Move tpf specific options...
6244 * config/s390/tpf.opt: to here. Add mmain option.
6245 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6246 * config/s390/tpf.h: Rewrite.
6248 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6250 * doc/tm.texi: Remove @xref{Cross-profiling}.
6252 2005-07-13 Jeff Law <law@redhat.com>
6254 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6255 expressions, test their _DECL operands for pointer equality rather
6256 than using operand_equal_p.
6258 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6260 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6261 (TARGET_POSIX_IO): This.
6262 * config/darwin.h: Likewise.
6263 * config/freebsd.h: Likewise.
6264 * config/linux.h: Likewise.
6265 * config/lynx.h: Likewise.
6266 * config/netbsd.h: Likewise.
6267 * config/rs6000/linux64.h: Likewise.
6268 * config/rs6000/linux.h: Likewise.
6269 * config/s390/tpf.h: Likewise.
6270 * config/sh/embed-elf.h: Likewise.
6271 * config/sparc/linux64.h: Likewise.
6272 * config/sparc/linux.h: Likewise.
6273 * config/svr4.h: Likewise.
6274 * gcov-io.h: Likewise.
6276 * doc/tm.texi: Updated.
6278 * libgcov.c (create_file_directory): Defined only if
6279 TARGET_POSIX_IO is defined.
6280 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6283 2005-07-13 Jan Hubicka <jh@suse.cz>
6285 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6287 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6289 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6290 structure as argument.
6292 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6294 PR tree-optimization/21921
6295 * tree-iterator.c (tsi_link_before): Support the case when
6296 tsi_end_p (tsi) == true.
6298 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6300 PR tree-optimization/22442
6301 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6304 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6306 PR rtl-optimization/20376
6307 * toplev.c (process_options): Enable -fweb and -frename-registers when
6309 * doc/invoke.texi: Update the information about when -fweb and
6310 -frename-registers are enabled.
6312 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6315 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6316 if *rhs_p is not a SSA_NAME.
6318 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6320 Fix PR tree-optimization/22422
6321 * tree-ssa-structalias.c (struct variable_info): Add flag for
6323 (get_varinfo): Now a static function.
6324 (new_varinfo): init has_union and is_special_var to false.
6325 (solution_set_add): Check has_union.
6326 (do_da_constraint): Move temporary variable so it gets reset
6328 Also check for special variable.
6329 (do_ds_constraint): Ditto.
6330 (do_sd_constraint): Ditto.
6331 (do_structure_copy): Check for special variable.
6332 (find_func_aliases): Ditto.
6333 (init_base_vars): Set special vars properly.
6335 2005-07-13 Jan Hubicka <jh@suse.cz>
6337 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6340 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6341 (get_expr_operands): Fix thinko wrt flags and subvars.
6343 PR tree-optimize/22379
6344 * tree-inline.c (expand_call_inline): Do not output sorry in early
6347 2005-07-12 Dale Johannesen <dalej@apple.com>
6349 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6351 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6354 * host-linux.h: Include limits.h.
6356 2005-07-12 Dale Johannesen <dalej@apple.com>
6358 * expr.c (compress_float_constant): Add cost check.
6359 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6361 2005-07-12 Dale Johannesen <dalej@apple.com>
6363 * gcc.target/i386/compress-float-sse.c: New.
6364 * gcc.target/i386/compress-float-sse-pic.c: New.
6365 * gcc.target/i386/compress-float-387.c: New.
6366 * gcc.target/i386/compress-float-387-pic.c: New.
6367 * gcc.dg/compress-float-ppc.c: New.
6368 * gcc.dg/compress-float-ppc-pic.c: New.
6370 2005-07-12 Eric Christopher <echristo@redhat.com>
6372 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6374 * config/s390/s390.md: Include tpf.md. Move tpf specific
6376 * config/s390/tpf.md: To here.
6377 * config/s390/s390.opt: Move tpf specific options...
6378 * config/s390/tpf.opt: to here. Add mmain option.
6379 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6380 * config/s390/tpf.h: Rewrite.
6382 2005-07-12 Eric Christopher <echristo@redhat.com>
6384 * gcc.c (struct infile): Update comment for language.
6385 (main): Rewrite input file resetting code.
6387 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6390 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6391 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6392 (lookup_avail_expr): Use constant_boolean_node instead
6393 of boolean_false_node/boolean_true_node.
6395 2005-07-12 Ben Elliston <bje@au.ibm.com>
6397 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6398 and use it when printing num_edges.
6400 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6402 * doc/extend.texi (Blackfin Built-in Functions): New section.
6403 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6406 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6408 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6409 s/cmpstrsi/cmpstrnsi
6410 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6412 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6413 (init_optabs): Initialize cmpstrn_optab.
6414 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6415 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6416 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6417 * config/i386/i386.md: s/cmpstr/cmpstrn
6418 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6419 * doc/md.texi: Update documentation.
6421 2005-07-11 Richard Henderson <rth@redhat.com>
6423 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6424 build_va_arg_indirect_ref.
6425 (alpha_gimplify_va_arg): Likewise.
6426 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6427 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6428 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6429 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6430 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6431 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6433 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6435 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6437 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6438 * passes.c (init_optimization_passes): Add pass_empty_loop.
6439 * tree-pass.h (pass_empty_loop): Declare.
6440 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6441 try_remove_empty_loop, remove_empty_loops): New functions.
6442 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6443 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6445 2005-07-12 Peter Barada <peter@the-baradas.com>
6449 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6450 in address registers.
6451 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6452 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6453 alternative of addsi3_5200.
6455 2005-07-11 Ian Lance Taylor <ian@airs.com>
6457 * config/mips/mips.md (ffs<mode>2): Remove.
6459 2005-07-11 Ian Lance Taylor <ian@airs.com>
6461 * doc/tree-ssa.texi (Cleanups): Improve description of
6463 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6465 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6467 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6468 * tree.h (DECL_ARGUMENT_FLD): New macro.
6470 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6472 Fix PR tree-optimization/22404
6474 * tree-ssa-structalias.c (create_variable_info_for): Use
6477 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6479 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6480 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6481 for second comparison operand.
6482 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6484 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6485 (define_insn_reservation "alu"): Likewise.
6486 (csync, ssync): Now of type sync.
6487 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6488 -mcsync-anomaly -mspecld-anomaly.
6489 * config/bfin/bfin.opt (mcsync): Remove.
6490 (mcsync-anomaly, mspecld-anomaly): Add.
6491 * config/bfin/bfin.c: Include "insn-codes.h".
6492 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6493 (TARGET_DEFAULT_TARGET_FLAGS): New.
6494 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6496 2005-07-11 Steven Bosscher <stevenb@suse.de>
6498 * basic-block.h: Give the BB flags enum a name, bb_flags.
6499 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6500 * cfgcleanup.c (enum bb_flags): Remove here.
6501 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6502 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6503 (update_forwarder_flag): Likewise.
6504 (thread_jump): Likewise.
6505 (try_forward_edges): Likewise.
6506 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6507 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6508 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6510 2005-07-11 Richard Guenther <rguenther@suse.de>
6512 * config/i386/i386.opt: New target option -msseregparm.
6513 * config/i386/i386.c (override_options): Error out for
6514 -msseregparm but no SSE support.
6515 (ix86_function_sseregparm): Check for global sseregparm.
6516 * doc/invoke.texi: Document -msseregparm.
6518 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6520 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6521 (m32rle-*-linux*): Ditto.
6523 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6525 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6526 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6529 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6533 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6534 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6536 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6538 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6539 (varmap): Heapify varmap.
6540 (constraints): Heapify constraints.
6541 (struct constraint_graph): Heapify succs and preds.
6542 (constraint_vec_find): Update for heapification.
6543 (constraint_set_union): Ditto.
6544 (insert_into_complex): Ditto.
6545 (constraint_edge_vec_find): Ditto.
6546 (erase_graph_self_edge): Ditto.
6547 (add_graph_edge): Ditto.
6548 (get_graph_weights): Ditto.
6549 (merge_graph_nodes): Ditto.
6550 (build_constraint_graph): Ditto.
6551 (topo_visit): Ditto.
6552 (solve_graph): Ditto.
6553 (create_variable_info_for): Ditto.
6554 (init_base_vars): Ditto.
6555 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6556 (condese_varmap_nodes): Free complex vector.
6557 (clear_edges_for_node): Clear succs and preds vector.
6559 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6561 * tree-ssa-structalias.c (update_alias_info): Change counting of
6562 references to not include vdefs.
6564 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6566 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6569 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6571 * pa.c (pa_commutative_p): Make PLUS commutative when
6572 TARGET_NO_SPACE_REGS is true.
6574 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6576 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6577 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6578 * tree-dfa.c (dump_subvars_for): New.
6579 (debug_subvars_for): New.
6580 (dump_variable): Show subvariables if VAR has them.
6581 * tree-flow-inline.h (get_subvar_at): New.
6582 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6583 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6585 (struct subvar): Change fields offset and size to unsigned
6587 (dump_subvars_for): Declare.
6588 (debug_subvars_for): Declare.
6589 (get_subvar_at): Declare.
6590 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6591 to unsigned HOST_WIDE_INT *.
6592 (overlap_subvar): Likewise.
6593 * tree-gimple.c (is_gimple_reg): Always return false for
6594 SFTs and memory tags.
6595 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6597 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6598 (compute_may_aliases): Call compute_points_to_sets.
6599 (collect_points_to_info_for): Remove.
6600 (compute_points_to_and_addr_escape): Remove.
6601 (delete_alias_info): Call delete_points_to_sets.
6602 (compute_flow_sensitive_aliasing): If the call to
6603 find_what_p_points_to returns false, call set_pt_anything.
6604 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6605 (set_pt_anything): Clear pi->pt_vars.
6606 (set_pt_malloc): Remove.
6607 (merge_pointed_to_info): Remove.
6608 (add_pointed_to_expr): Remove.
6609 (add_pointed_to_var): Remove.
6610 (collect_points_to_info_r): Remove.
6611 (is_escape_site): Make extern.
6613 (create_overlap_variables_for): Call it.
6614 * tree-ssa-copy.c (merge_alias_info): Never merge
6615 flow-sensitive alias information.
6616 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6617 offset and size to be unsigned HOST_WIDE_INT.
6618 (add_to_addressable_set): Rename from note_addressable.
6619 Set TREE_ADDRESSABLE as the variables are added to the set.
6621 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6622 operands into VUSEs when adding V_MAY_DEFs for members in an
6624 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6625 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6626 (struct variable_info): Add bitfield is_heap_var.
6627 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6628 (new_var_info): Initialize is_heap_var.
6629 (get_constraint_for): Add HEAP variables to the symbol table.
6630 Mark them with is_heap_var.
6631 (update_alias_info): New. Taken mostly from the old
6632 compute_points_to_and_addr_escape.
6633 (handle_ptr_arith): New.
6634 (find_func_aliases): Call update_alias_info.
6635 Call handle_ptr_info for tcc_binary expressions.
6636 Call mark_stmt_modified.
6637 (create_variable_info_for): If DECL has subvars, do not create
6638 variables for its subvars. Always add all the fields.
6639 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6640 SFTs, then add all the SFTs of the structure.
6641 If VI->DECL is an aggregate with subvariables, add the SFT at
6643 (find_what_p_points_to): If VI is an artificial variable,
6644 translate to bitfields in SSA_NAME_PTR_INFO.
6645 If the solution is empty, set pi->pt_vars to NULL
6646 (init_base_vars): Create ANYOFFSET.
6647 (compute_points_to_sets): Rename from create_alias_vars.
6649 (pass_build_pta): Remove.
6650 (delete_points_to_sets): Rename from delete_alias_vars.
6651 (pass_del_pta): Remove.
6652 * tree-ssa-structalias.h (struct alias_info): Move from
6654 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6655 NUM_REFERENCES_SET): Likewise.
6656 (compute_points_to_sets, delete_points_to_sets): Declare.
6658 2005-07-09 Richard Henderson <rth@redhat.com>
6660 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6661 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6662 alpha_split_lock_test_and_set_12): New functions.
6663 * config/alpha/alpha-protos.h: Update.
6664 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6665 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6666 * config/alpha/sync.md (I12MODE): New.
6667 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6668 (sync_<fetchop_name><I48MODE>): Likewise.
6669 (sync_nand<I48MODE>): Likewise.
6670 (sync_old_<fetchop_name><I48MODE>): Likewise.
6671 (sync_new_<fetchop_name><I48MODE>): Likewise.
6672 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6673 (sync_compare_and_swap<I48MODE>): Likewise.
6674 (sync_lock_test_and_set<I48MODE>): Likewise.
6675 (sync_compare_and_swap<I12MODE>): New.
6676 (sync_compare_and_swap<I12MODE>_1): New.
6677 (sync_lock_test_and_set<I12MODE>): New.
6678 (sync_lock_test_and_set<I12MODE>_1): New.
6680 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6684 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6686 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6688 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6689 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6691 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6694 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6696 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6698 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6699 memory_operand constraint.
6700 (store_conditional_<mode>): Same.
6701 (sync_compare_and_swap<mode>): Same.
6702 (sync_lock_test_and_set<mode>): Same.
6704 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6706 Rewrite PIC support to more closely model actual instructions.
6707 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6708 (cris_symbol): Remove prototypes for removed functions.
6709 (cris_pic_symbol_type_of, cris_valid_pic_const)
6710 (cris_expand_pic_call_address): Prototypes for new functions.
6711 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6713 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6715 <case ':'>: Add case for new punctuation character.
6716 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6717 emitting (extra) PIC modifier.
6718 <case UNSPEC>: Do not assert for PLT.
6719 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6720 (cris_expand_prologue, cris_expand_epilogue): Check
6721 for pic_offset_table_rtx usage instead of taking
6722 current_function_uses_pic_offset_table as the final word.
6723 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6724 Remove flag_pic difference.
6725 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6726 the moral equivalents of...
6727 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6729 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6730 (cris_handle_option): Mark ARG as unused.
6731 (cris_expand_pic_call_address): New worker function for "call",
6733 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6734 output PIC constructs here.
6735 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6736 as symbol-specific modifers, not whole or part of operands.
6737 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6738 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6739 constants and flag_pic.
6740 (CONSTANT_INDEX_P): Adjust for new functions.
6741 (enum cris_pic_symbol_type): New helper type.
6742 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6743 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6744 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6746 ("movsi"): Emit actual instructions for GOT and relative access.
6747 ("*movsi_got_load"): New pattern to set up the register holding
6749 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6750 Adjust FIXME for 'S'.
6751 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6752 Use "movs" for -fpic cases.
6753 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6754 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6755 ("call", "call_value"): Just call cris_expand_pic_call_address for
6757 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6758 Remove special pattern.
6759 ("*expanded_call_side", "*expanded_call_value_side"): New
6761 (gotplt-to-plt, gotplt-to-plt-side-call)
6762 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6764 * config/cris/cris/predicates.md
6765 ("cris_general_operand_or_gotless_symbol"): Remove unused
6767 ("cris_general_operand_or_symbol"): Adjust for new functions.
6769 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6771 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6773 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6775 * Makefile.in (TREE_H): Add treestruct.def.
6776 (c-decl.o): Add pointer-set.h
6777 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6778 visibility on regular DECL's.
6779 (merge_decls): Fix the copying of decl nodes of various types for
6780 the new structures. Don't update RTL, section name, weak status,
6781 etc, on DECL's without RTL.
6782 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6783 Don't check volatile on non-variable types.
6784 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6785 to check whether we have seen arguments.
6786 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6787 flag is checked before field (flag is common, field is not).
6788 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6789 TS_DECL_COMMON could have an origin.
6790 (add_location_or_const_value_attribute): Don't check section name
6791 on non-var/function decls.
6792 (dwarf2out_var_location): Reverse order of tests.
6793 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6794 with DECL_WRTL_CHECK.
6795 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6796 * fold-const.c (fold_binary): Don't check weakness on
6797 non-var/function decls.
6798 (tree_expr_nonzero_p): Ditto.
6799 (fold_checksum_tree): Use tree_decl_extra as sizeof
6801 * ggc-page.c (extra_order_size_table): Add sizes for
6802 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6804 * gimplify.c (gimplify_bind_expr): Only set
6805 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6806 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6808 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6809 * langhooks.h (init_ts). New langhook.
6810 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6811 * print-tree.c (print_node): Update to only print fields that
6812 exist in the structures the passed decl has.
6813 * toplev.c (wrapup_global_declarations): Don't reset
6814 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6815 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6816 * tree-inline.c (remap_decl): Ditto.
6817 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6818 * tree-pretty-print.c (print_declaration): Don't print
6819 DECL_REGISTER on things that don't contain it.
6820 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6821 non-var/function decls.
6822 * tree.c (tree_contains_struct): New structure.
6823 (init_priority_for_decl): New hashtable.
6824 (tree_int_map): New structure.
6825 (tree_int_map_eq): New function.
6826 (tree_int_map_marked_p): Ditto.
6827 (tree_int_map_hash): Ditto.
6828 (tree_map): Move to tree.h.
6829 (tree_map_eq): Externalize.
6830 (tree_map_hash): Ditto.
6831 (tree_map_marked_p): Ditto.
6832 (init_ttree): Set up tree_contains_struct and call langhook.
6833 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6834 (tree_code_size): Update for new structures.
6835 (tree_node_structure): Update for new structures.
6836 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6838 (copy_node_stat): Copy init priority.
6839 (build_decl_stat): Ditto for visibility.
6840 (ts_enum_names): New.
6841 (tree_contains_struct_check_failed): New function.
6842 (decl_init_priority_lookup): Ditto.
6843 (decl_init_priority_insert): Ditto.
6844 * treestruct.def: New file.
6845 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6846 (CONTAINS_STRUCT_CHECK): Ditto.
6847 (tree_contains_struct_check_failed): New prototype.
6848 (DECL_CHECK): Removed.
6849 (DECL_MINIMAL_CHECK): New.
6850 (DECL_COMMON_CHECK): Ditto.
6851 (DECL_WRTL_CHECK): Ditto.
6852 (DECL_NON_COMMON_CHECK): Ditto.
6853 (DECL_WITH_VIS_CHECK): Ditto.
6854 (VAR_OR_FUNCTION_DECL_P): Ditto
6855 (struct tree_decl_minimal): New structure.
6856 (struct tree_decl_common): Ditto.
6857 (struct tree_decl_with_rtl): Ditto.
6858 (struct tree_decl_with_vis): Ditto.
6859 (struct tree_decl_non_common): Ditto.
6860 (struct tree_field_decl): Ditto.
6861 (struct tree_parm_decl): Ditto.
6862 (struct tree_var_decl): Ditto.
6863 (struct tree_function_decl): Ditto.
6864 (struct tree_const_decl): Ditto.
6865 (struct tree_result_decl): Ditto.
6866 (union tree_node): Add new structures.
6867 * var-tracking.c (track_expr_p): Reverse order of tests.
6869 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6871 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6873 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6874 * system.h: Poison FINALIZE_PIC.
6875 * doc/tm.texi (FINALIZE_PIC): Remove.
6877 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6880 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6881 to the correct type if we have a MODIFY_EXPR.
6883 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6885 PR tree-optimization/22360
6886 * tree.c (upper_bound_in_type): Fix calculations for casting
6887 to a non-wider signed type and casting a signed value to a
6888 wider unsigned type.
6889 (lower_bound_in_type): Fix calculations for casting to a
6890 non-wider signed type.
6892 PR tree-optimization/20139
6893 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6895 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6896 fold_cond_expr_cond.
6897 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6898 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6900 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6903 * tree-complex.c (expand_complex_libcall): Produce
6904 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6906 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6908 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6909 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6910 b" assert and inserted fastpath code for this case.
6911 (bitmap_ior): Removed "a != b" assert.
6913 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6915 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6916 (ENDFILE_SPEC): Likewise.
6917 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6919 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6920 a large stack frame at epilogue.
6922 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6924 * final.c: Include sdbout.h when required.
6926 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6928 * config.gcc (*-*-darwin*): Only one target-specific header file
6930 (powerpc-*-darwin*): Add version-specific header files.
6931 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6932 * config.in: Regenerate.
6933 * configure: Regenerate.
6934 * gcc.c: Include xregex.h.
6935 (version_compare_spec_function): New.
6936 (spec_function): Add version-compare.
6937 (replace_outfile_spec_function): Reformat comment.
6938 (compare_version_strings): New.
6939 * config/darwin-c.c (version_as_macro): New.
6940 (builtin_define): New.
6941 (darwin_cpp_builtins): New.
6942 * config/darwin-protos.h (darwin_cpp_builtins): New.
6943 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6944 (LIB_SPEC): Make unconditional, update comment.
6945 (TARGET_C99_FUNCTIONS): Define.
6946 * config/darwin.opt: Sort.
6947 (mmacosx-version-min=): New.
6948 * config/darwin7.h: Delete.
6949 * config/darwin8.h: Delete.
6950 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6951 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6952 (TARGET_C99_FUNCTIONS): Define.
6953 * config/rs6000/darwin7.h: New.
6954 * config/rs6000/darwin8.h: New.
6955 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6956 (-mmacosx-version-min): Document.
6958 2005-07-07 Ian Lance Taylor <ian@airs.com>
6960 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6962 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6965 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6967 2005-07-07 Khem Raj <kraj@mvista.com>
6969 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6970 in bytes, not words.
6972 2005-07-07 Paul Brook <paul@codesourcery.com>
6974 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6975 DEFAULT_FUNCTION_ARG_PADDING to upward.
6977 2005-07-07 Richard Henderson <rth@redhat.com>
6979 * function.c (locate_and_pad_parm): Record parameter alignment in
6980 stack_alignment_needed.
6982 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6984 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6985 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6986 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6987 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6988 (define_attr "type"): Add isync, sync, load_l, store_c.
6989 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6990 Create scratch volatile MEM.
6991 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6993 (load_locked_<mode>): New.
6994 (store_conditional_<mode>): New.
6995 (sync_compare_and_swap<mode>): Replace with splitter.
6996 (sync_lock_test_and_set<mode>): Replace with splitter.
6997 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6999 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7000 is ics. Attribute isync.
7001 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7003 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7004 and UNSPECV_SYNC_OP.
7005 (emit_unlikely_jump): New.
7006 (emit_load_locked): New.
7007 (emit_store_conditional): New.
7008 (rs6000_split_compare_and_swap): New.
7009 (rs6000_split_lock_test_and_set): New.
7010 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7011 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7012 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7013 rs6000_split_lock_test_and_set): Declare.
7014 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7015 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7016 store_c, isync, sync.
7018 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7020 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7021 filenames to gtyp-gen.h.
7022 (s-typ-gen): Use it in place of for loops.
7024 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7026 * hooks.c (hook_bool_rtx_int_false): New function.
7027 * hooks.h (hook_bool_rtx_int_false): Declare.
7028 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7029 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7030 * target.h (struct gcc_target): Add commutative_p member.
7031 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7032 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7033 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7034 (pa_commutative_p): New function.
7035 * jump.c (target.h): Include.
7036 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7037 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7039 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7041 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7042 (s390_expand_setmem): New.
7043 * config/s390/s390.c: Likewise.
7044 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7046 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7047 general_operand. Call new function "s390_expand_setmem".
7048 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7049 ("setmem_long", "*setmem_long"): ... this.
7051 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7053 * config/s390/s390.c: (optimization_options): Enable
7054 TARGET_MVCLE at -Os.
7055 * doc/invoke.texi: Document changes in default behaviour.
7056 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7058 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7060 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7061 defined by back-end.
7063 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7065 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7066 all sets in the pattern.
7067 * config/rs6000/rs6000.md (stack_protect_testsi,
7068 stack_protect_testdi): Likewise.
7070 2005-07-06 Jeff Law <law@redhat.com>
7072 * tree-vrp.c (simplify_using_ranges): Kill.
7073 (vrp_finalize): Remove call to simplify_using_ranges.
7074 (simplify_stmt_using_ranges): New function extracted from
7075 simplify_using_ranges.
7076 (simplify_div_or_mod_using_ranges): Likewise.
7077 (simplify_abs_using_ranges): Likewise.
7078 (simplify_cond_using_ranges): New function.
7079 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7080 * tree-ssa-propagate.c (substitute_and_fold): Call
7081 simplify_stmt_using_ranges if we have range information.
7083 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7085 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7086 ia64_flag_schedule_isns2.
7088 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7089 reading/writing general registers.
7090 (ia64_function_arg): Revert 2005-06-18 change.
7092 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7094 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7095 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7097 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7099 * function.c (expand_function_end): Revert part of 2005-06-27
7100 patch. Do sjlj_emit_function_exit_after after return_label.
7102 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7104 * doc/install.texi (--disable-libssp): New.
7106 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7108 * doc/invoke.texi: Update -fforce-mem documentation.
7109 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7110 code for -fforce-mem.
7111 * expmed.c: (store_bit_field,store_fixed_bit_field,
7112 extract_bit_field): Ditto.
7113 * expr.c: (convert_move): Ditto.
7114 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7115 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7116 emit_conditional_add,expand_float,expand_fix): Ditto.
7117 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7118 (common_handle_option): Issue warning when -fforce-mem specified.
7120 2005-07-06 Paul Brook <paul@codesourcery.com>
7122 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7124 * configure: Regenerate.
7126 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7128 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7130 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7132 Fix PR tree-optimization/22319
7133 Fix PR tree-optimization/22140
7134 Fix PR tree-optimization/22310
7136 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7137 variable sized types.
7138 Use correct type for intermediate structure on *a = *b structure
7141 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7143 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7145 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7146 (machine_function): Move typedef to...
7147 * config/rs6000/rs6000.c (machine_function): ... here. Add
7148 varargs_save_offset field.
7149 (rs6000_stack_t): Remove varargs_size field.
7150 (setup_incoming_varargs): Allocate varargs save area using
7151 assign_stack_local, try to make it as small as possible.
7152 Save offset from virtual_stack_vars_rtx to the save area
7153 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7154 instead of magic 8 when fp word byte size is used.
7155 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7156 instead of -RS6000_VARARGS_SIZE.
7157 (rs6000_stack_info, debug_stack_info,
7158 rs6000_initial_elimination_offset): Remove all traces of
7160 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7161 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7162 RS6000_VARARGS_AREA.
7164 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7166 PR tree-optimization/21963
7167 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7168 constant_multiple_of in the same way get_computation_cost_at does.
7170 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7172 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7173 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7174 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7175 and return its previous value.
7176 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7177 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7179 (stack_protect_set, stack_protect_test): New expanders.
7180 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7181 stack_protect_testdi): New insns.
7182 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7183 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7185 2005-07-06 Jeff Law <law@redhat.com>
7187 * tree-ssa-dce.c (cfg_altered): New global.
7188 (tree_dce_init): Initialize cfg_altered.
7189 (remove_dead_stmt): If we remove an edge in the CFG, then set
7191 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7194 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7196 * Makefile.in (stamp-collect-ld): Use
7197 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7198 ./collect-ld if it already exists.
7199 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7200 Don't remove ./nm if it already exists.
7202 2005-07-05 Devang Patel <dpatel@apple.com>
7204 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7205 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7206 * tree-vectorizer.c (vect_loop_location): New.
7207 (vect_print_dump_info): Use vect_loop_location.
7208 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7209 (vectorize_loops): Set vect_loop_location.
7210 * tree-vect-analyze.c (vect_analyze_offset_expr,
7211 vect_determin_vectorization_factor, vect_analyze_operations,
7212 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7213 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7214 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7215 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7216 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7217 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7218 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7219 vect_analyze_loop): Adjust vect_print_dump_info API.
7220 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7221 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7222 vect_finish_stmt_generation, vectorizable_assignment,
7223 vectorizable_operation, vectorizable_store, vectorizable_load,
7224 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7225 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7226 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7227 vect_transform_loop): Same.
7228 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7229 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7232 2005-07-05 Randolph Chung <tausq@debian.org>
7234 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7235 * configure: Regenerate.
7236 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7237 (pa_tls_referenced_p): Declare.
7238 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7239 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7240 (legitimize_tls_address): New.
7241 (hppa_legitimize_address): Handle TLS addresses.
7242 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7243 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7244 (emit_move_sequence): Handle TLS addresses.
7245 (pa_encode_section_info): Call default handler to handle common
7247 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7248 (CONSTANT_ADDRESS_P): Reject TLS operands.
7249 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7250 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7251 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7252 (UNSPEC_TLSLE): Define new constants.
7253 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7254 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7255 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7256 (tie_symbolic_operand, tle_symbolic_operand): New
7258 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7260 * aclocal.m4: Update macros for autoconf 2.59 style.
7261 * configure.ac: Likewise.
7263 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7265 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7266 (function_arg): Pass small aggregates in general registers on 32-bit
7268 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7270 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7272 * Makefile.in (final.o): Fix dependencies.
7274 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7278 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7279 * langhooks.c (lhd_expr_to_decl): New.
7280 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7282 (LANG_HOOKS_INITIALIZER): Update.
7283 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7284 expr_to_decl langhook.
7285 * c-tree.h (c_expr_to_decl): Declare.
7286 * c-typeck.c (c_expr_to_decl): New.
7287 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7289 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7291 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7294 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7295 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7297 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7299 * Makefile.in: Adjust dependencies.
7300 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7301 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7302 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7303 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7304 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7305 rest_of_compilation.
7307 * bb-reorder.c (gate_duplicate_computed_gotos,
7308 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7309 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7310 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7311 pass_partition_blocks): New.
7312 * bt-load.c (gate_handle_branch_target_load_optimize,
7313 rest_of_handle_branch_target_load_optimize,
7314 pass_branch_target_load_optimize): New.
7315 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7317 * cfglayout.c (pass_insn_locators_initialize): New.
7318 * cfgrtl.c (pass_free_cfg): New.
7319 * combine.c (gate_handle_combine, rest_of_handle_combine,
7321 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7322 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7323 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7324 * except.c (pass_set_nothrow_function_flags,
7325 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7327 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7328 rest_of_handle_shorten_branches, pass_shorten_branches,
7329 rest_of_clean_state, pass_clean_state): New.
7330 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7331 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7332 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7334 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7335 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7336 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7337 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7339 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7340 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7341 pass_rtl_ifcvt, gate_handle_if_after_combine,
7342 rest_of_handle_if_after_combine, pass_if_after_combine,
7343 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7344 pass_if_after_reload): New.
7345 * integrate.c (pass_initial_value_sets): New.
7346 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7347 pass_purge_lineno_notes): New.
7348 * mode-switching.c (rest_of_handle_mode_switching,
7349 pass_mode_switching): New.
7350 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7351 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7353 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7354 pass_loop_optimize): New.
7355 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7357 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7359 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7360 pass_postreload_cse): New.
7361 * profile.c (gate_handle_profiling, pass_profiling,
7362 rest_of_handle_branch_prob, pass_branch_prob): New.
7363 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7364 pass_split_before_regstack, gate_handle_split_before_regstack,
7365 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7366 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7367 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7368 pass_stack_regs): New.
7369 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7370 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7371 pass_stack_adjustments): New.
7372 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7373 pass_regrename): New.
7374 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7375 pass_delay_slots, gate_handle_machine_reorg,
7376 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7377 * rtl.h (extern void purge_line_number_notes): New.
7378 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7379 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7381 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7383 * value-prof.c (gate_handle_value_profile_transformations,
7384 rest_of_handle_value_profile_transformations,
7385 pass_value_profile_transformations): New.
7386 * var-tracking.c (gate_handle_var_tracking,
7387 pass_variable_tracking): New.
7388 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7390 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7391 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7392 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7393 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7394 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7395 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7396 rest_of_handle_gcse2, rest_of_handle_regmove,
7397 rest_of_handle_tracer, rest_of_handle_if_conversion,
7398 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7399 rest_of_handle_web, rest_of_handle_branch_prob,
7400 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7401 rest_of_handle_jump_bypass, rest_of_handle_combine,
7402 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7403 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7404 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7405 rest_of_handle_mode_switching, rest_of_handle_jump,
7406 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7407 rest_of_handle_flow2, rest_of_handle_jump2,
7408 rest_of_handle_peephole2, rest_of_handle_postreload,
7409 rest_of_handle_shorten_branches, rest_of_clean_state,
7410 rest_of_compilation): Remove.
7412 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7413 * passes.c (dump_flags, in_gimple_form, all_passes,
7414 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7415 register_dump_files, next_pass_1, last_verified, execute_todo,
7416 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7417 from tree-optimize.c.
7418 (init_optimization_passes): Moved from tree-optimize.c,
7419 adding the RTL optimizations.
7420 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7421 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7422 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7423 register_dump_files, next_pass_1, last_verified, execute_todo,
7424 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7425 init_tree_optimization_passes, ipa_passes): Delete.
7426 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7428 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7429 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7431 (ipa_passes): Remove.
7432 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7433 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7434 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7435 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7436 (dump_info_p, dump_flag): Moved to tree-dump.h.
7438 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7440 * passes.c (finish_optimization_passes): Use dump_begin
7441 and dump_end, TDI_end.
7442 (gate_rest_of_compilation): New.
7443 (pass_rest_of_compilation): Use it.
7444 (gate_postreload, pass_postreload): New.
7445 * toplev.c (general_init): Rename init_tree_optimization_passes.
7446 * toplev.h (init_tree_optimization_passes): Rename to
7447 init_optimizations_passes.
7448 * tree-dump.c (dump_flag): Make static.
7449 (dump_files): Remove RTL dumps.
7450 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7451 pass_cleanup_cfg, pass_free_cfg_annotations,
7452 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7453 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7454 * tree-pretty-print.c: Include tree-pass.h.
7455 * cgraph.c: Include tree-dump.h.
7457 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7459 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7460 Only fall back to saying it points to readonly memory if
7463 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7465 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7466 * config/m32r/m32r.c (m32r_compute_frame_size,
7467 m32r_expand_prologue): Take current_function_profile into
7468 account whenever we reference
7469 current_function_uses_pic_offset_table.
7470 (m32r_finalize_pic): Remove.
7471 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7473 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7475 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7476 instead of $<. Don't remove ./as if it already exists.
7478 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7481 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7482 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7483 for complex modes when generating code for PA 1.0.
7484 (VALID_FP_MODE_P): New macro.
7485 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7486 sets for all general and floating point modes. Align wide floating
7487 point modes to even register boundaries to comply with architectural
7489 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7490 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7491 (VALID_FP_MODE_P): New macro.
7492 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7493 sets for all general and floating point modes. Align wide floating
7494 point modes to even register boundaries to comply with architectural
7497 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7499 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7502 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7504 * tree-ssa-structalias.c: Don't include expr.h.
7506 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7508 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7511 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7513 Fix PR tree-optimization/22279
7515 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7518 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7520 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7522 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7524 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7525 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7526 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7527 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7528 config/stormy16/stormy16.c, config/v850/v850.c,
7529 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7530 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7531 Avoid "." or "\n" at end of diagnostics and capital letters at
7532 start of diagnostics.
7533 * combine.c, cse.c: Don't translate dump file output.
7534 * toplev.c (print_version): Only translate output if going to
7537 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7539 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7540 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7543 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7545 * pa.c (fix_range): Fix typo in comment.
7547 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7549 * tree-vrp.c (extract_range_from_assert): Replace
7550 fold (build (...)) with fold_build2.
7552 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7554 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7555 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7556 (format_types_orig, handle_format_attribute): Add support for
7559 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7561 * varasm.c (assemble_variable): Fix format specifier thinko.
7563 2005-07-03 Ira Rosen <irar@il.ibm.com>
7565 PR tree-optimization/22029 (and 22135)
7566 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7567 a phi node before calling dump_vops.
7569 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7571 * tree-dump.h (dump_string_field): Declare.
7572 * tree-dump.c: Use it instead of dump_string.
7573 (dump_string_field): Make non-static.
7575 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7577 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7578 up the minimal CFG stuff always when optimize > 0. Call
7579 split_all_insns_noflow in PIC case if needed.
7581 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7582 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7585 * c-decl.c (c_write_global_declarations): Dump contents of
7587 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7588 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7589 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7590 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7593 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7595 * c-common.h (GCC_DIAG_STYLE): Define.
7596 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7597 version for format checking to 4.1.
7598 * c-format.c: Include toplev.h after c-common.h.
7599 (enum format_type): Add gcc_tdiag_format_type.
7600 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7601 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7602 (format_types_orig): Add gcc_tdiag.
7603 (init_dynamic_diag_info): Support gcc_tdiag formats.
7604 (handle_format_attribute): Likewise.
7605 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7606 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7607 version for format checking to 4.1.
7608 (warning0, warning, error, pedwarn, sorry): Use
7610 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7611 (finish_aliases_1): Do not use %qE.
7612 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7613 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7614 Correct format bugs.
7615 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7616 parameter to unsigned HOST_WIDE_INT.
7617 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7619 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7622 * expr.c (write_complex_part): Use adjust_address for MEM.
7623 (read_complex_part): Same.
7625 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7627 Fix PR tree-optimization/22280
7629 * tree-sra.c (generate_element_init): Remove useless loop.
7631 2005-07-02 Richard Henderson <rth@redhat.com>
7633 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7635 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7637 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7640 * fold-const.c (fold_binary): Handle the return value of
7641 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7642 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7644 2005-07-02 Jeff Law <law@redhat.com>
7646 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7647 a eliminate type conversion which feeds an equality comparison
7648 if the original type or either operand in the comparison is a
7651 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7653 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7654 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7656 * config/avr/avr.c: Do not use '`' as left quote.
7657 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7658 Remove "." from end of diagnostics. Make diagnostics start with
7661 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7662 Joseph S. Myers <joseph@codesourcery.com>
7664 * toplev.c (default_tree_printer): Handle setting location with
7666 * c-objc.common.c (c_tree_printer): Likewise.
7667 * c-format.c (gcc_diag_flag_specs): Add '+'.
7668 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7669 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7671 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7672 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7673 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7674 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7675 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7676 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7677 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7678 format arguments where %J is used without %D.
7680 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7682 * gcc.c (LINK_SSP_SPEC): Define.
7683 (link_ssp_spec): New variable.
7684 (LINK_COMMAND_SPEC): Add %(link_ssp).
7685 (static_specs): Add link_ssp_spec.
7686 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7687 * configure: Rebuilt.
7688 * config.in: Rebuilt.
7690 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7691 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7692 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7693 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7694 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7695 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7696 -0x7008(2) instead of reading __stack_chk_guard variable.
7697 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7699 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7700 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7701 if TARGET_THREAD_SSP_OFFSET is defined.
7702 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7703 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7706 2005-06-27 Richard Henderson <rth@redhat.com>
7707 * libgcc-std.ver (GCC_4.1.0): New.
7708 * libgcc.h (__stack_chk_guard): Declare.
7709 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7710 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7711 * mklibgcc.in (lib2funcs): Add them.
7713 2005-07-01 Richard Henderson <rth@redhat.com>
7715 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7716 void * before struct sigcontext *.
7717 (x86_fallback_frame_state): Likewise.
7719 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7721 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7723 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7726 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7727 we check for SSA_NAME for.
7729 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7731 Fix PR tree-optimization/22071
7733 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7735 (get_constraint_for_component_ref): Use it.
7737 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7740 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7741 print out the last new line.
7743 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7745 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7746 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7747 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7748 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7749 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7750 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7751 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7752 (enum reg_class): New member CC0_REGS.
7753 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7754 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7755 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7756 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7757 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7758 Adjust for register now described.
7760 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7763 * config/i386/i386.md (stack_protect_test_si,
7764 stack_protect_test_di): Add earlyclobber for scratch 3.
7765 * config/rs6000/rs6000.md (stack_protect_testsi,
7766 stack_protect_testdi): Add earlyclobber for scratch 3,
7767 remove earlyclobber from scratch 4.
7769 Older entries for 2005 can be found in ChangeLog-2005.