1 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4 * gcc.c (main): Use the correct counter for erroring out
7 2005-10-21 Alan Modra <amodra@bigpond.net.au>
10 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
11 use r2 for 64-bit tls .got access.
13 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
15 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
18 2005-10-20 Steven Bosscher <stevenb@suse.de>
20 PR tree-optimization/24225
21 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
23 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
26 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
28 * varasm.c (find_decl_and_mark_needed): After cgraph global info
29 is ready, stop marking functions, but still mark variables.
31 2005-10-20 Richard Guenther <rguenther@suse.de>
34 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
37 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
39 PR rtl-optimization/23585
40 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
41 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
42 (may_trap_p_1): New predicate extracted from...
43 (may_trap_p): ... here. Invoke may_trap_p_1.
44 (may_trap_or_fault_p): New predicate.
45 * rtl.h (may_trap_or_fault_p): Declare it.
46 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
47 instead of may_trap_p.
48 (steal_delay_list_from_fallthrough): Likewise.
49 (fill_simple_delay_slots): Likewise.
50 (fill_slots_from_thread): Likewise.
51 * function.c (pad_to_arg_alignment): Rework comment about
52 SPARC_STACK_BOUNDARY_HACK.
53 * config/sparc/sparc.h: Likewise.
55 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
57 * config/s390/s390.c (s390_expand_insv): New.
58 * config/s390/s390-protos.h (s390_expand_insv): Declare.
59 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
60 ("icm_hi"): Remove mode attribute.
61 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
63 ("*extracthi", "*extractqi"): Remove.
64 (extv<mode>", "*extzv<mode>"): New.
65 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
66 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
68 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
70 * cfgexpand.c (discover_nonconstant_array_refs_r,
71 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
72 (tree_expand_cfg): Call discover_nonconstant_array_refs.
73 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
74 discover_nonconstant_array_refs.
76 2005-10-19 Steven Bosscher <stevenb@suse.de>
79 * c-decl.c (pop_scope): Don't warn about an unused variable
80 if it is marked with TREE_NO_WARNING.
81 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
82 somenow mismatch and olddecl is to be replaced.
84 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
87 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
88 whether registers live on the edge can be saved/restored.
90 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
92 * config/sh/sh.c (fixup_mova): Skip notes.
94 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
96 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
97 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
98 (s390_can_eliminate): Handle BASE_REGNUM elimination.
99 (s390_initial_elimination_offset): Likewise.
100 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
101 register on TARGET_ZARCH targets.
102 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
103 (INITIAL_FRAME_POINTER_OFFSET): Remove.
104 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
105 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
107 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
109 * config/s390/s390.md: Comment describing output modifiers updated.
110 * config/s390/s390.c (print_operand): Likewise.
112 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
114 * config/s390/s390.c (override_options): Added check for -mstack-size
116 * doc/invoke.texi: Mention that limit in the documenation.
118 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
121 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
123 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
125 Fix PR tree-optimization/24231
127 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
128 (compute_avail): Ditto.
130 2005-10-18 Richard Henderson <rth@redhat.com>
133 * config/i386/i386.c (legitimate_constant_p): Check
134 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
136 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
137 (legitimate_pic_address_disp_p): Reorg CONST checking to make
138 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
140 (print_operand_address): Likewise.
141 * config/i386/predicates.md (x86_64_immediate_operand): Test
142 SYMBOL_REF_TLS_MODEL properly inside CONST.
143 (x86_64_zext_immediate_operand): Likewise.
144 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
145 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
146 * config/i386/i386-protos.h: Remove predicates.md entries.
148 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
150 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
151 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
153 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
154 Ian Lance Taylor <ian@airs.com>
157 * fold-const.c (fold_widened_comparison): Do not allow range based
158 constant folding when right operand cannot be unwidened.
160 2005-10-17 Richard Henderson <rth@redhat.com>
162 * builtins.c (expand_builtin_synchronize): Build a new-style asm
163 with a memory clobber.
165 2005-10-17 James E Wilson <wilson@specifix.com>
167 PR rtl-optimization/17356
168 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
169 checking for EDGE_EH.
171 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
173 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
174 the slot on an even boundary for any type with 16-byte alignment.
176 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
179 * md.texi (Modifiers) <%>: Clarify that % doesn't work
180 after register allocation.
182 2005-10-17 DJ Delorie <dj@redhat.com>
184 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
187 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
190 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
193 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
195 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
196 to 2 if it's already non-zero.
197 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
198 is set and warn about it if flag_schedule_insns is 1.
200 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
202 * config/crx/crx.md: Compare-and-branch instructions need to
205 2005-10-17 Uros Bizjak <uros@kss-loka.si>
208 * config/i386/i386.md (*pushdi2_rex64 splitter)
209 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
210 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
211 flow2 pass only when (optimize > 0 && flag_peephole2).
213 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
216 * gcc.c (have_c): New static variable.
218 (process_command): Remove declation of have_c.
219 Set have_o to 1 when handling -o.
220 (main): Add a fatel error if there are multiple
221 files specified and -o and -c/-S is passed witout
222 -combine or multiple languages.
224 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
226 Fix PR tree-optimization/22444
227 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
228 Assert that we don't hit something with subvars.
229 (setup_pointers_and_addressables): Don't add things with subvars,
230 because we'll already process the subvars for aliasing purposes.
232 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
235 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
236 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
237 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
238 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
239 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
240 swapped, alternatives for the R constraint.
243 * builtins.c (get_builtin_sync_mode): Make unlimited
244 mode_for_size request.
246 2005-10-15 Richard Henderson <rth@redhat.com>
248 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
249 (gimplify_expr): ... here.
250 (gimplify_compound_lval): Use it in initial scan loop. Allow
251 fb_lvalue in base expression.
253 2005-10-15 Richard Henderson <rth@redhat.com>
256 * builtins.c (expand_builtin_trap): Export.
257 * expr.h (expand_builtin_trap): Declare.
258 * expr.c (expand_assignment): Emit a trap for integral offsets
259 from registers that weren't reduced to bitpos.
261 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
262 (mark_array_ref_addressable): Remove.
263 * tree-flow.h (mark_array_ref_addressable): Remove.
264 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
266 2005-10-15 James E Wilson <wilson@specifix.com>
269 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
270 (add_dependence_list_and_free): Likewise.
271 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
274 2005-10-15 Diego Novillo <dnovillo@redhat.com>
278 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
279 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
281 (vrp_visit_phi_node): Only prevent infinite iterations when
282 the previous result and the new result are both VR_RANGEs.
284 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
286 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
289 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
292 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
295 2005-10-14 Per Bothner <per@bothner.com>
297 PR preprocessor/21250
298 * c-ppoutput.c (print_line): Print internal line 0 as 1.
300 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
303 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
304 overflow flags. Refactor some conditionals.
306 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
309 * tree-dfa.c (add_referenced_var): Only look at decls which
310 have TREE_CONSTANT or TREE_READONLY set instead of if
311 !TREE_PUBLIC or !TREE_CONSTANT.
313 2005-10-13 James E Wilson <wilson@specifix.com>
315 * doc/invoke.texi: For -x, add f95-cpp-input.
316 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
318 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
320 PR tree-optimization/24262
321 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
322 in loop all the time.
324 2005-10-12 Richard Henderson <rth@redhat.com>
327 * tree.h (DECL_TRANSPARENT_UNION): Remove.
328 * function.c (assign_parm_find_data_types): Don't support it.
329 * print-tree.c (print_node): Likewise.
330 * c-common.c (handle_transparent_union_attribute): Likewise.
331 Use build_duplicate_type.
332 * tree-inline.c (remap_type_1): Split out of remap_type;
333 properly remap aggregate fields.
334 (build_duplicate_type): New.
335 * doc/extend.texi (Variable Attributes): Remove documentation
336 for transparent_union.
338 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
341 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
342 (gen_stack_pointer_dec): Likewise.
344 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
348 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
350 (struct cxx): Add adjust_class_at_definition target hook.
351 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
352 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
353 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
354 hook_void_tree. Add to TARGET_CXX.
355 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
357 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
358 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
359 instead of attribute. Check for dllexport override. Warn if
360 inconsistent dll linkage. Don't lose old dllimport if decl has
361 had address referenced. Tweak lookup of dllimport atribute.
362 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
363 for target specific rules. Don't add dllimport attribute if
364 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
366 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
367 * varasm.c (initializer_constant_valid_p): Replace
368 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
372 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
373 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
374 (i[34567]86-*-mingw32*): Likewise.
376 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
377 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
379 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
380 C++-specific code. Change return value to bool.
381 (i386_pe_dllimport_p): Likewise.
382 (associated_type): Simplify and make language-independent
383 (i386_pe_encode_section_info): Replace override of ambiguous
384 dllimport symbol refs with a gcc_assert.
385 (i386_pe_valid_dllimport_attribute_p): Define.
386 * config/i386/winnt-cxx.c: New file. Define C++ versions of
387 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
388 i386_pe_adjust_class_at_definition.
389 * config/i386/winnt-stubs.c: New file. Define stub versions of
390 lang-specific functions.
391 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
392 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
393 i386_pe_adjust_class_at_definition.
394 (i386_pe_valid_dllimport_attribute_p): Declare.
395 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
396 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
397 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
400 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
401 dllimport attribute with test of DECL_DLLIMPORT_P.
403 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
405 * combine.c (make_extraction): Correct offset computation.
407 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
409 * config/cris/t-linux (LIMITS_H_TEST): Define.
411 2005-10-12 Richard Henderson <rth@redhat.com>
414 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
416 2005-10-12 Richard Guenther <rguenther@suse.de>
418 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
420 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
423 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
424 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
427 2005-10-12 Richard Guenther <rguenther@suse.de>
430 * varasm.c (output_constant): Correct typo from previous
433 2005-10-11 Ian Lance Taylor <ian@airs.com>
435 PR rtl-optimization/13931
436 * combine.c: Revert patch of 2003-05-14, and:
437 (try_combine): Only set elim_i1 and elim_i2 if the destination is
438 completely killed in the appropriate insn.
439 (distribute_notes): Don't skip multiple hard register test for
442 2005-10-11 Richard Henderson <rth@redhat.com>
445 * c-typeck.c (convert_for_assignment): Use build_constructor_single
446 to initialize a transparent union instead of a nop_expr.
448 2005-10-11 Richard Henderson <rth@redhat.com>
450 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
451 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
452 (tree_ssa_dce_loop): Call scev_reset.
455 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
456 * tree-ssa-dce.c: Include cfgloop.h.
457 (tree_ssa_dce_loop, pass_dce_loop): New.
458 * tree-pass.h (pass_dce_loop): Declare it.
459 * passes.c (init_optimization_passes): Use it.
461 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
464 * convert.c (convert_to_real): Revert 2005-10-05 patch.
465 Only apply the optimization for rounding builtins if the inner
466 cast is also an extension.
468 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
471 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
472 mark_new_vars_to_rename instead of update_stmt.
474 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
476 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
478 2005-10-11 Jakub Jelinek <jakub@redhat.com>
480 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
481 for setting MMX register to 0 rather than mmx.
483 2005-10-10 Steve Ellcey <sje@cup.hp.com>
486 * configure.ac: Move gas check from mips specific case to common case.
487 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
488 * configure: Regenerate
489 * doc/install.texi: Update.
491 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
494 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
496 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
498 * gcc.c (do_spec_1): Accept numeric characters in file name
501 2005-10-10 Nick Clifton <nickc@redhat.com>
503 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
504 describing the deleted arm_gen_rotated_half_load function.
506 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
508 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
511 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
513 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
515 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
516 (EXTRA_MULTILIB_PARTS): Define.
517 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
518 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
519 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
520 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
521 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
522 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
524 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
526 PR tree-optimization/24226
527 * tree-cfg.c (remove_bb): Clean up unreachable loops.
528 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
529 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
532 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
534 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
536 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
539 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
540 Rewrite for no need for the early clobber.
542 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
544 Merge from csl-arm-branch:
545 2005-09-07 Paul Brook <paul@codesourcery.com>
546 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
549 2005-04-30 Paul Brook <paul@codesourcery.com>
550 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
551 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
553 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
554 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
555 (arm_override_options): Use TARGET_AAPCS_BASED.
556 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
557 (PTRDIFF_TYPE): Use int for AAPCS.
558 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
559 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
560 (DEFAULT_SHORT_ENUMS): Delete.
561 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
563 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
564 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
565 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
566 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
568 2004-12-03 Mark Mitchell <mark@codesourcery.com>
569 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
571 2004-11-22 Mark Mitchell <mark@codesourcery.com>
572 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
574 2004-11-19 Mark Mitchell <mark@codesourcery.com>
575 * config.gcc (arm*-*-linux-gnueabi): Add it.
576 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
578 (TARGET_OS_CPP_BUILTINS): Likeiwse.
579 * config/arm/linux-eabi.h: New file.
580 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
581 (LINUX_TARET_LINK_SPEC): Likewise.
583 * config/arm/t-linux-eabi: New file.
585 2005-10-08 Steven Bosscher <stevenb@suse.de>
588 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
590 (PARAM_SMS_DFA_HISTORY): Likewise.
592 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
595 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
596 (load_register_parameters): Call it.
597 (check_sibcall_argument_overlap_1): Likewise.
598 (store_one_arg): Likewise.
600 2005-10-07 James E. Wilson <wilson@specifix.com>
602 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
603 DImode not VECINT24 for operand 2.
606 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
610 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
611 fr_spill): Use destination_operand for operand 0.
613 2005-10-07 DJ Delorie <dj@redhat.com>
615 * varasm.c (output_constant): Limit error to expanding
618 2005-10-07 Richard Guenther <rguenther@suse.de>
621 * fold-const.c (fold_binary): Fix operand types during folding
622 of X op (A, Y). Evaluation order of the side-effects of
623 X and A are frontend-defined, so ensure we honour that even for
624 tcc_comparison class operands; eased by removing duplicate code.
626 2005-10-07 Steve Ellcey <sje@cup.hp.com>
628 * stor-layout.c (layout_type): Do not allow alignment of array
629 elements to be greater than their size.
631 2005-10-07 Steve Ellcey <sje@cup.hp.com>
633 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
635 (hppa*-*-linux*): Ditto.
636 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
637 * config/host-hpux.c: New.
638 * config/x-hpux: New.
639 * config/pa/x-hpux: Remove.
640 * config/pa/x-linux: Remove.
641 * config/pa/pa-host.c: Remove.
643 2005-10-07 Jeff Law <law@redhat.com>
645 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
646 determine whether or not to try and thread outgoing edges.
648 2005-10-07 David Edelsohn <edelsohn@gnu.org>
650 * config/rs6000/rs6000.md (eqsi_power): New.
651 (neg_eq0si): Add TARGET_POWER to final condition.
654 2005-10-06 Richard Henderson <rth@redhat.com>
656 * config/rs6000/rs6000.c: Revert last change.
658 2005-10-06 Richard Henderson <rth@redhat.com>
660 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
661 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
663 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
667 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
668 out return_label and naked_return_label.
670 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
672 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
675 2005-10-06 Richard Henderson <rth@redhat.com>
678 * tree-inline.c (declare_return_variable): Handle modify_dest not
681 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
683 Fix PR tree-optimization/22488
684 * tree-ssa-structalias.c (check_for_overlaps): New function.
685 (create_variable_info_for): Use it.
687 2005-10-06 Richard Henderson <rth@redhat.com>
690 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
691 (dwarf2out_start_source_file): Print it.
693 2005-10-06 Geoffrey Keating <geoffk@apple.com>
695 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
697 2005-10-06 Richard Henderson <rth@redhat.com>
700 * mode-switching.c (optimize_mode_switching): Clear transp bit
701 for block with incomming abnormal edges.
703 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
704 (fpscr_set_from_mem): Use them.
705 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
706 (fpscr postinc splitters): Rewrite as peephole2+split.
708 2005-10-06 David Edelsohn <edelsohn@gnu.org>
710 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
711 (eq<mode>_compare): Same.
713 2005-10-06 Richard Guenther <rguenther@suse.de>
715 PR tree-optimization/24238
716 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
718 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
720 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
721 here. Use AC_PATH_PROG for environment variables instead of
723 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
725 * configure: Regenerated.
727 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
730 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
731 then force it into a register.
732 (call_value): Likewise.
734 2005-10-06 Richard Henderson <rth@redhat.com>
737 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
738 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
739 under pass_vectorize.
741 2005-10-05 Devang Patel <dpatel@apple.com>
744 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
745 handling constants. Check NAMESPACE_DECL context for constants.
747 2005-10-05 Eric Christopher <echristo@apple.com>
749 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
751 2005-10-05 Richard Henderson <rth@redhat.com>
754 * tree-cfg.c (mark_array_ref_addressable_1): New.
755 (mark_array_ref_addressable): New.
756 * tree-flow.h (mark_array_ref_addressable): Declare.
757 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
759 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
763 * reload.c (subst_reloads): When adding a REG_LABEL to a
764 jump instruction, also update JUMP_LABEL.
766 2005-10-05 David Edelsohn <edelsohn@gnu.org>
768 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
769 * bb-reorder.c (copy_bb_p): Use it.
770 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
772 2005-10-05 Richard Henderson <rth@redhat.com>
775 * toplev.c (process_options): Warn about unsupported combinations
776 of unwind tables and omit-frame-pointer.
777 * config/i386/i386.c (override_options): Similarly. Enable
778 accumulate-outgoing-args if not explicitly disabled.
780 2005-10-05 Steve Ellcey <sje@cup.hp.com>
782 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
783 Handle big endian vs. small endian.
784 (vec_initv2sf): Handle big endian vs. small endian.
785 (*vec_extractv2sf_1): Ditto.
787 2005-10-05 Dale Johannesen <dalej@apple.com>
789 * convert.c (convert_to_real): Don't convert
790 (float)floor(double d) to floorf((float)d).
792 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
794 * config/arm/arm.md (insv): Use gen_int_mode in more places.
796 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
798 PR tree-optimization/18587
799 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
800 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
801 build_vuses): Change to VEC type.
802 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
803 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
804 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
805 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
806 (get_name_decl): New. Return DECL_UID of base variable.
807 (operand_build_cmp): New. qsort comparison routine.
808 (operand_build_sort_virtual): New. Sort virtual build vector.
809 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
810 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
811 (FINALIZE_BASE): Use get_name_decl.
812 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
813 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
814 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
815 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
816 direct VEC_* manipulations.
817 (build_ssa_operands): Call operand_build_sort_virtual.
818 (copy_virtual_operand, create_ssa_artficial_load_stmt,
819 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
820 with direct VEC_* manipulations.
821 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
822 with direct VEC manipulations.
824 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
826 PR tree-optimization/21419
827 PR tree-optimization/24146
828 PR tree-optimization/24151
830 * c-typeck.c (readonly_error): Handle USE being lv_asm.
831 (build_asm_expr): Call it if outputs are read-only.
832 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
834 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
835 Paolo Bonzini <bonzini@gnu.org>
839 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
840 enable the instructions and not just the built-ins.
841 * doc/invoke.texi (x86 Options): Likewise.
843 2005-10-04 Geoffrey Keating <geoffk@apple.com>
845 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
847 * doc/invoke.texi (Option Summary): Correct spelling
848 of -mmacosx-version-min.
850 2005-10-04 Devang Patel <dpatel@apple.com>
852 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
855 2005-10-04 Steve Ellcey <sje@cup.hp.com>
857 * tree-vect-transform.c (vect_create_epilog_for_reduction):
858 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
860 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
862 * config/s390/s390.md ("TDSI","DP"): New mode macros.
863 ("TE","tg"): New mode attributes.
864 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
865 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
866 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
867 dword_mode and one for GPRmode.
869 2005-10-04 Ian Lance Taylor <ian@airs.com>
871 PR preprocessor/13726
872 * c-ppoutput.c (cb_include): Add comments parameter, and print out
873 any comments passed in.
875 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
877 * tree.c (annotate_with_file_line): Fix typo.
879 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
882 * builtins.c (fold_builtin_memcmp): When constructing the pointer
883 type used to access data in the inlined length == 1 case, use
884 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
885 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
887 2005-10-04 Uros Bizjak <uros@kss-loka.si>
889 * config/i386/i386.h (TARGET_FISTTP): Enable also for
890 TARGET_SSE3 and only for TARGET_80387.
891 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
892 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
893 Do not depend on TARGET_80387.
895 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
897 * tree.c (last_annotated_node): Change type to location_t*.
898 (annotate_with_file_line): Reflect the change of
899 last_annotated_node type.
901 2005-10-04 Richard Guenther <rguenther@suse.de>
904 * c-decl.c (grokdeclarator): Don't write to fields
907 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
910 * c-decl.c (finish_decl): Use set_user_assembler_name even for
912 * varasm.c (make_decl_rtl): If a register variable does not
913 have a set user assmbler name, error out.
914 Decode the asmspec is now name+1 bypassing '*'.
916 2005-10-04 Steven Bosscher <stevenb@suse.de>
918 PR tree-optimization/23049
919 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
920 of a COND_EXPR is folded before calling fold on the whole rhs of a
921 conditional assignment.
922 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
923 document that a COND_EXPR may appear there.
925 2005-10-03 Diego Novillo <dnovillo@redhat.com>
928 * tree-vrp.c (extract_range_from_assert): If the new numeric
929 range created out of the assertion contradicts the existing
930 numeric range of the ASSERT_EXPR variable, make the new range
933 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
935 * config/sh/sh.c (sh_register_move_cost): Add case for moving
936 from T_REGS to FP register class.
938 2005-10-03 Richard Henderson <rth@redhat.com>
941 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
942 before creating a new one.
944 2005-10-03 David Edelsohn <edelsohn@gnu.org>
946 * config/rs6000/t-aix43 (LDFLAGS): New.
947 * config/rs6000/t-aix52 (LDFLAGS): New.
949 2005-10-03 Ian Lance Taylor <ian@airs.com>
951 * gimplify.c (find_single_pointer_decl_1): New static function.
952 (find_single_pointer_decl): New static function.
953 (internal_get_tmp_var): For a formal variable, set restrict base
954 information if appropriate.
955 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
957 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
958 (DECL_GET_RESTRICT_BASE): Define.
959 (SET_DECL_RESTRICT_BASE): Define.
960 (decl_restrict_base_lookup): Declare.
961 (decl_restrict_base_insert): Declare.
962 (struct tree_decl_with_vis): Add based_on_restrict_p field.
963 * tree.c (restrict_base_for_decl): New static variable.
964 (init_ttree): Initialize restrict_base_for_decl.
965 (copy_node_stat): Copy restrict base information.
966 (decl_restrict_base_lookup): New function.
967 (decl_restrict_base_insert): New function.
968 (print_restrict_base_statistics): New static function.
969 (dump_tree_statistics): Call print_restrict_base_statistics.
971 2005-10-02 Diego Novillo <dnovillo@redhat.com>
974 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
977 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
980 * c-typeck.c (tagged_tu_seen): Rename to ...
981 (tagged_tu_seen_cache): this and add val field.
982 (comptypes): Move functional to comptypes_internal
983 and free tagged_tu_seen.
984 (comptypes_internal): New function and call comptypes_internal
985 instead of comptypes. Speed up by sibcalling
986 tagged_types_tu_compatible_p.
987 (alloc_tagged_tu_seen): New function
988 (free_all_tagged_tu_seen_up_to): New function.
989 (tagged_types_tu_compatible_p): Return the val of the seen two
991 Add that the two types are the same to tagged_tu_seen_base
992 if they are and call comptypes_internal instead of comptypes.
993 <case UNION_TYPE>: Speed up common type where the fields are
995 (function_types_compatible_p): Call comptypes_internal instead of
997 (type_lists_compatible_p): Likewise.
998 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1000 2005-10-02 Matthias Klose <doko@debian.org>
1002 * doc/invoke.texi: Fix typo and speling error.
1004 2005-10-01 Richard Henderson <rth@redhat.com>
1006 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1008 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1010 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1011 using --start-group and --end-group.
1013 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1015 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1016 FIXME note regarding quirky semantics.
1018 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1021 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1022 non-null range as a last resort.
1024 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1025 Diego Novillo <dnovillo@redhat.com>
1028 * tree-vrp.c (extract_range_from_assert): For !=
1029 assertions, only build an anti-range if LIMIT is a
1030 single-valued range.
1032 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1034 * arm.md (movqi): On thumb when optimizing, handle loading from
1035 memory by describing this as taking a subreg of a zero-extended load
1036 into an SImode register.
1039 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1041 * reload1.c (merge_assigned_reloads): Do not change any
1042 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1044 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1046 * Makefile.in (LIPO_FOR_TARGET): Define.
1047 (STRIP_FOR_TARGET): Define.
1049 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1050 before creating new ones. Do symlinks before creating the actual
1053 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1054 to work out which multilibs are actually being built.
1056 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1058 * tree-vect-transform.c, config/ms1/ms1.md,
1059 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1060 Follow spelling conventions.
1061 * doc/invoke.texi, doc/md.texi: Fix typos.
1063 2005-09-30 Andrew Macleod <amacleod@redat.com>
1065 PR tree-optimization/21430
1066 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1067 use operands, and set stmt pointer if need be.
1068 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1069 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1072 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1075 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1077 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1079 * optabs.c (expand_binop): Initialize first_pass_p.
1081 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1084 * c-decl.c (c_write_global_declarations_1): If any
1085 wrapup_global_declaration_2 call returned true, restart the loop.
1087 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1089 Fix PR tree-optimization/24117
1090 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1091 before considering whether to use anyoffset.
1093 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1097 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1099 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1101 (swap_commutative_operands_with_target): New.
1103 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1106 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1109 2005-09-29 Steven Bosscher <stevenb@suse.de>
1111 PR tree-optimization/23911
1112 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1113 and IMAGPART_EXPR too.
1115 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1118 * expmed.c (expand_shift): Move logic to reverse rotation
1119 direction when rotating by constants ...
1120 * optabs.c (expand_binop): ... here.
1121 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1122 (ix86_rotrdi3): New pattern.
1123 (rotldi3): Handle 32-bit mode.
1124 (ix86_rotldi3): New pattern.
1126 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1129 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1130 check for numbers that need no bit twiddle.
1132 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1134 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1135 multilib to be built.
1137 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1138 (stage1-start): Delete old libgcc and libunwind before moving
1139 anything into the stage directory.
1140 (stage2-start): Likewise.
1141 (stage3-start): Likewise.
1142 (stage4-start): Likewise.
1143 (stageprofile-start): Likewise.
1144 (stagefeedback-start): Likewise.
1145 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1146 header in tm_file and CPU-specific t-darwin in tmake_file.
1147 (i[34567]86-*-darwin*): Don't change tm_file.
1148 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1149 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1150 shared library stub for target OS version.
1151 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1152 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1153 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1154 (libgcc_s.%.dylib): New.
1156 (install-darwin-libgcc-stubs): New.
1157 (INSTALL_LIBGCC): New append.
1158 * config/i386/darwin-libgcc.10.4.ver: New.
1159 * config/i386/darwin-libgcc.10.5.ver: New.
1160 * config/i386/t-darwin: New.
1161 * config/rs6000/darwin-libgcc.10.4.ver: New.
1162 * config/rs6000/darwin-libgcc.10.5.ver: New.
1163 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1164 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1166 2005-09-28 Paul Brook <paul@codesourcery.com>
1168 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1171 2005-09-28 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/23853
1174 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1175 host_integerp to verify misalignment value.
1177 2005-09-28 Richard Henderson <rth@redhat.com>
1179 * builtins.c (get_builtin_sync_mode): New.
1180 (expand_builtin_sync_operation): Pass in mode argument.
1181 (expand_builtin_compare_and_swap): Likewise.
1182 (expand_builtin_lock_test_and_set): Likewise.
1183 (expand_builtin_lock_release): Likewise.
1184 (expand_builtin): Update to match.
1186 2005-09-28 Nick Clifton <nickc@redhat.com>
1188 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1189 formatting. Add check to PLUS case to ensure that the offset is
1190 within an acceptable range.
1192 * config/v850/v850.md (casesi): Disable the generation of the
1193 switch pattern as it is not being handled properly at the moment.
1195 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1196 for when the high words are identical.
1198 2005-09-27 Richard Henderson <rth@redhat.com>
1200 * pretty-print.c (pp_base_format): Fix typo for %>.
1202 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1203 Devang Patel <dpatel@apple.com>
1205 PR tree-optimization/23625
1206 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1207 LABEL_EXPR, assertion check.
1209 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1211 * optabs.c (no_conflict_move_test): Check if a result of a
1212 to-be-moved insn would be clobbered by an originally
1215 2005-09-27 Jeff Law <law@redhat.com>
1217 * passes.c (init_optimization_passes): Replace copy propagation
1218 passes immediately after DOM with phi-only copy propagation
1219 pases. Add phi-only copy propagation pass after first DOM pass.
1220 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1221 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1222 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1223 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1224 to init_copy_prop. Callers updated.
1225 (do_phi_only_copy_prop): New function.
1226 (pass_phi_only_copy_prop): New pass descriptor.
1228 2005-09-27 Nick Clifton <nickc@redhat.com>
1230 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1232 2005-09-26 Jason Merrill <jason@redhat.com>
1235 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1237 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1239 2005-09-26 James E Wilson <wilson@specifix.com>
1241 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1242 copyright. Add gcc copyright plus libgcc exception.
1243 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1245 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1247 2005-09-26 Jeff Law <law@redhat.com>
1249 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1250 about when to iterate.
1252 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1255 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1256 for __complex__ double in -mcpu=G5 mode.
1258 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1260 PR tree-optimization/23942
1261 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1262 * tree-scalar-evolution.c: Include params.h.
1264 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1265 follow_ssa_edge_in_condition_phi_branch,
1266 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1267 Change return type to t_bool. Use a parameter to limit the size of
1268 trees that are walked before stopping
1269 (analyze_evolution_in_loop): Initialize the limit to 0.
1270 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1271 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1273 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1276 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1277 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1279 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1281 * combine.c (make_extraction): Check for valid use of subreg.
1283 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1286 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1287 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1288 ("fist<mode>2_with_temp"): Use only register operands.
1290 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1292 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1293 CALL_INSN_FUNCTION_USAGE.
1295 2005-09-26 Richard Guenther <rguenther@suse.de>
1298 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1299 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1300 (ldst_entry): Use the hashtable instead of list-walking.
1301 (find_rtx_in_ldst): Likewise.
1302 (free_ldst_entry): Free the hashtable.
1303 (compute_ld_motion_mems): Create the hashtable.
1304 (trim_ld_motion_mems): Remove entry from hashtable if
1305 removing it from list.
1306 (compute_store_table): Likewise^2.
1307 (store_motion): Free hashtable in case we did not see
1310 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1312 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1313 and arg1 if we are passing them to fold_build2.
1315 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1318 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1321 2005-09-25 Richard Henderson <rth@redhat.com>
1323 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1324 SYMBOL_REF_TLS_MODEL to be correct.
1326 2005-09-24 Richard Henderson <rth@redhat.com>
1328 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1329 end of function. Reindent.
1331 2005-09-24 Ian Lance Taylor <ian@airs.com>
1333 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1334 NEGATE_EXPR/BIT_NOT_EXPR case.
1336 2005-09-24 Richard Henderson <rth@redhat.com>
1338 * c-common.c (handle_mode_attribute): When not modifying in place,
1339 create subtypes for enumerations.
1340 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1341 * gimplify.c (create_tmp_from_val): Likewise.
1343 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1345 * config/i386/i386.md (*tls_global_dynamic_64,
1346 *tls_local_dynamic_base_64): Add missing mode to call.
1347 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1349 2005-09-24 Jan Hubicka <jh@suse.cz>
1351 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1352 (cgraph_clone_node): Likewise.
1353 * cgraph.h (cgraph_clone_edge): Update prototype.
1354 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1355 duplicated prototypes; add updating argument.
1356 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1357 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1359 (cgraph_mark_inline_edge): Likewise.
1360 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1361 (cgraph_flatten_node): Likewise.
1362 (cgraph_decide_recursive_inlining): Likewise.
1363 (cgraph_decide_inlining_of_small_function): Likewise.
1364 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1366 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1367 Pete Steinmetz <steinmtz@us.ibm.com>
1369 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1370 (rldic.): Set type to "compare".
1372 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1373 mfjmpr for MFCTR/MFLR.
1374 (movdf_hardfloat64): Same.
1375 (movdf_softfloat64): Same. Correct order of store and move types.
1376 (movti_string): Set type to store_ux/load_ux.
1377 (load_multiple): Set type to load_ux.
1378 (store_multiple): Set type to store_ux.
1379 (movmemsi): Set type to store_ux.
1380 (output_cbranch direct_return): Set type to jmpreg.
1381 (stmw): Set type to store_ux.
1382 (lmw): Set type to load_ux.
1383 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1384 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1385 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1386 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1387 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1388 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1389 (rios1-fpstore): Increase latency to 3.
1390 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1391 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1393 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1394 Andrew Pinski <pinskia@physics.uc.edu>
1396 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1397 operand2 constraint to "b".
1398 (sync_<fetchop_name>di_internal): Same.
1399 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1401 (sync_old_<fetchop_name>di_internal): Same.
1402 (sync_new_<fetchop_name>si_internal): Same.
1403 (sync_new_<fetchop_name>di_internal): Same.
1405 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1408 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1409 case, define as macros.
1411 PR rtl-optimization/23837
1412 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1413 clobber / clobber match between dest and p->first.
1415 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1416 (no_conflict_move_test): Update comments.
1418 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1420 * doc/install.texi: Update URL for Jacks.
1421 * doc/sourcebuild.texi: Likewise.
1423 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1426 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1427 registers when choosing register preferences.
1428 (movdf_hardfloat64): Same.
1430 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1432 * expmed.c (expand_shift): Don't use the target of the rotate as
1433 target for the first expanded shift insn.
1434 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1436 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1438 PR tree-optimization/22438
1439 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1440 preserved iv rhs rewriting specially.
1442 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1444 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1445 estimate_only is true.
1446 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1447 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1448 tree-ssa-structalias.c
1449 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1450 ref_contains_indirect_ref.
1451 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1453 2005-09-21 DJ Delorie <dj@redhat.com>
1455 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1457 (mn10300_return_in_memory): Support variable size types also.
1458 (mn10300_pass_by_reference): Likewise.
1459 (mn10300_function_value): New.
1460 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1461 (FUNCTION_OUTGOING_VALUE): Likewise.
1462 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1463 * doc/invoke.texi: Document it.
1465 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1468 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1469 force integer op1 into register for XFmode compares.
1471 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1474 * expmed.c (alg_code): Add alg_impossible.
1475 (alg_hash_entry): Add cost.
1476 (synth_mult): Record alg_impossible in the hash table if
1477 multiplication by a given integer is impossble within the
1478 limit. Speed up using alg_impossible.
1480 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1482 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1483 argument. Allow and set any offset if needs_anyoffset is passed
1485 (get_constraint_for): Add argument here too.
1487 (do_structure_copy): Pass NULL to get_constraint_for.
1488 (handle_ptr_arith): Ditto.
1489 (find_func_aliases): Ditto.
1491 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1493 PR rtl-optimization/23898
1494 * output.h (get_attr_min_length): Declare.
1495 * final.c (get_attr_length_1): New function, broken out of:
1497 (get_attr_min_length): New function.
1498 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1499 (duplicate_computed_gotos): Likewise.
1500 * genattr.c (insn_min_length): Generate declaration.
1501 * genattrtab.c (min_fn, min_attr_value): New functions.
1502 (make_length_attrs): Generate insn_min_length.
1504 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1506 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1508 2005-09-20 Richard Henderson <rth@redhat.com>
1510 PR tree-optimization/24059
1511 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1514 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1516 * c.opt (fextended-identifiers): New.
1517 * c-opts.c (c_common_handle_option): Handle
1518 -fextended-identifiers.
1519 * doc/cpp.texi: Update documentation of extended identifiers.
1520 * doc/cppopts.texi (-fextended-identifiers): Document.
1522 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1524 PR tree-optimization/23929
1525 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1528 PR tree-optimization/23818
1529 * tree-stdarg.c (execute_optimize_stdarg): Call
1530 calculate_dominance_info.
1532 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1534 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1535 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1536 (compute_overlap_steps_for_affine_1_2): Use
1537 get_number_of_iters_for_loop.
1538 (analyze_subscript_affine_affine): Check whether difference is
1540 Use get_number_of_iters_for_loop.
1541 Check whether overlap occurs outside of bounds.
1542 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1544 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1546 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1547 base register if possible.
1549 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1551 PR tree-optimization/18463
1552 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1553 converting it directly is not possible.
1554 (chrec_convert_aggressive): New function.
1555 * tree-chrec.h (chrec_convert_aggressive): Declare.
1556 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1557 Fold chrec conversions aggressively if asked to.
1558 (instantiate_parameters): Modified because of changes in
1559 instantiate_parameters_1.
1561 2005-09-19 Richard Henderson <rth@redhat.com>
1563 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1564 (reduc_splus_v2df): New.
1566 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1568 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1569 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1571 2005-09-19 Richard Henderson <rth@redhat.com>
1573 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1576 2005-09-19 Richard Henderson <rth@redhat.com>
1578 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1579 (ia64_expand_dot_prod_v8qi): New.
1580 * config/ia64/ia64-protos.h: Update.
1581 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1582 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1583 sdot_prodv8qi, sdot_prodv4hi): New.
1584 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1586 2005-09-19 Richard Henderson <rth@redhat.com>
1589 * real.c (exact_real_truncate): Return false if the format cannot
1590 represent the number as a normal.
1592 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1593 for a memory source.
1595 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1597 * tree-ssa-operands.c (swap_tree_operands): Export.
1598 * tree.h (swap_tree_operands): Declare.
1599 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1600 Call swap_tree_operands.
1602 2005-09-19 Richard Henderson <rth@redhat.com>
1604 * tree-flow.h (merge_alias_info): Declare.
1605 * tree-ssa-copy.c (merge_alias_info): Export.
1606 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1607 (vect_create_data_ref_ptr): Use create_iv directly.
1608 (vectorizable_load): Use correct types for integer constants.
1609 (vect_generate_tmps_on_preheader): Likewise.
1610 (vect_gen_niters_for_prolog_loop): Likewise.
1612 2005-09-19 Steven Bosscher <stevenb@suse.de>
1614 PR rtl-optimization/23943
1615 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1617 2005-09-18 Jan Hubicka <jh@suse.cz>
1619 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1621 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1623 * varasm.c (output_constant): Do not abort on conversions to union
1624 types between different sizes.
1626 2005-09-18 Richard Guenther <rguenther@suse.de>
1629 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1632 2005-09-18 Paul Brook <paul@codesourcery.com>
1634 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1636 2005-09-17 Richard Henderson <rth@redhat.com>
1638 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1639 * tree-ssa-loop.c (pass_vect_dce): Remove.
1640 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1643 2005-09-17 Richard Henderson <rth@redhat.com>
1645 * tree-pass.h (pass_vect_dce): Declare.
1646 * passes.c (init_optimization_passes): Add it.
1647 * tree-flow.h (tree_ssa_dce): Declare.
1648 * tree-ssa-dce.c (tree_ssa_dce): Export.
1649 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1650 (gate_tree_vectorize): ... here.
1651 (pass_vect_dce): New.
1653 2005-09-17 Jan Hubicka <jh@suse.cz>
1655 * except.c (struct eh_status): Turn region_array into vec.
1656 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1657 convert_from_eh_region_ranges, find_exception_handler_labels,
1658 current_function_has_exception_handlers, assign_filter_values,
1659 build_post_landing_pads, dw2_build_landing_pads,
1660 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1661 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1662 foreach_reachable_handler, can_throw_internal_1,
1663 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1665 (duplicate_eh_region_1): Update region_array.
1666 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1668 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1671 * expmed.c (expand_mult): Substitute simple register for op0 when
1674 2005-09-17 Richard Henderson <rth@redhat.com>
1676 * expr.c (emit_move_via_integer): Add force argument, pass it on
1677 to emit_move_change_mode. Update callers.
1678 (emit_move_complex): Pass true to new force argument.
1679 * function.c (expand_function_end): Move expand_eh_return call
1680 earlier. Merge sub-word complex values into a pseudo before
1681 copying to the return hard register.
1683 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1685 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1686 between different sizes.
1688 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1692 * passes.c (init_optimization_passes): Register dump files for
1695 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1697 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1698 * config/s390/s390.c (s390_overlap_p): New function.
1699 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1700 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1703 2005-09-16 Richard Guenther <rguenther@suse.de>
1705 * ipa-pure-const.c (static_execute): Free auxiliar information.
1706 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1707 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1709 2005-09-15 DJ Delorie <dj@redhat.com>
1711 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1713 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1715 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1717 (swap_commutative_operands_with_target): New.
1719 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1721 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1724 (estimate_iters_using_array): New function.
1725 * tree-data-ref.h (estimate_iters_using_array): Prototype
1726 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1727 Use estimate_iters_using_array instead of analyze_array.
1729 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1731 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1734 2005-09-15 Michael Matz <matz@suse.de>
1736 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1738 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1740 PR tree-optimization/23835
1741 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1742 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1744 2005-09-14 Richard Henderson <rth@redhat.com>
1746 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1747 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1749 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1751 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1752 in the ARRAY_TYPE case.
1754 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1756 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1758 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1761 * tree-vect-transform.c (vectorizable_operation): Return false for
1762 scalar shift operations and for vector shift operations with
1763 non-invariant shift arguments. Use scalar tree operand op1 as
1764 a shift operand when vector shift insn pattern uses scalar shift
1766 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1768 2005-09-14 Olivier Hainque <hainque@adacore.com>
1770 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1771 value if it has side-effects.
1773 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1776 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1778 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1780 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1781 passed as NAME as if it were label at start of function code.
1783 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1785 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1788 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1790 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1791 as early clobber. Rewrite so the PIC register is not implicitly used.
1793 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1795 * tree.c (annotate_with_file_line): Compare line numbers before
1798 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1801 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1802 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1804 2005-09-13 Ian Lance Taylor <ian@airs.com>
1806 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1807 than a HOST_WIDEST_INT to gen_doloop_begin.
1809 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1811 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1813 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1815 PR tree-optimize/23817
1816 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1818 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1821 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1822 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1823 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1824 (restore_stack_nonlocal): Likewise.
1825 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1827 2005-09-12 Ian Lance Taylor <ian@airs.com>
1830 * c.opt (ffriend-injection): New C++ option.
1831 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1832 (C++ Dialect Options): Document -ffriend-injection.
1834 2005-09-12 Josh Conner <jconner@apple.com>
1837 * ipa-reference.c (static_execute): Don't mark variables in
1838 named sections TREE_READONLY.
1840 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1842 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1845 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1847 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1848 V_MUST_DEF instead of just the first_use_p.
1849 Don't mark the virtual variables for renaming on the statement which
1851 (pass_dse): Remove TODO_update_ssa.
1853 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1856 * stor-layout.c (compute_record_mode): For records with a single
1857 field, actually check the field's mode size against the type size.
1859 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1860 registers for TARGET_SHMEDIA.
1861 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1862 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1863 of GENERAL_REGS and FP_REGS.
1865 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1867 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1869 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1871 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1872 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1873 are omitted. Exclude stack_tie insn too.
1875 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1877 PR rtl-optimization/23098
1878 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1880 * config/rs6000/rs6000.md (movdf splitter): Use
1881 const_double_operand predicate for TARGET_POWERPC64.
1882 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1883 SYMBOL_REF method to ABI_V4.
1885 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1886 replace_equiv_address.
1887 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1888 rs6000_sr_alias_set and MEM_NOTRAP.
1889 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1891 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1893 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1894 handle CALL_EXPR again.
1896 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1898 * arm/predicates.md (alignable_memory_operand): Delete.
1900 2005-09-10 Richard Henderson <rth@redhat.com>
1903 * dbxout.c (dbxout_expand_expr): New.
1904 (dbxout_symbol): Use it.
1906 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1908 * arm.c (arm_gen_rotated_half_load): Delete.
1909 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1910 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1911 (thumb_set_return_address): Likewise.
1912 (thumb_load_double_from_address): Use adjust_address.
1913 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1914 (extendhsisi2_mem, movhi_bytes): Use change_address.
1915 (movhi): Use widen_memory_access.
1916 (reload_out_df): Use replace_equiv_address.
1917 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1919 2005-09-09 Richard Henderson <rth@redhat.com>
1922 * dbxout.c: Include expr.h.
1923 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1924 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1925 * Makefile.in (dbxout.o): Add EXPR_H.
1927 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1929 PR tree-optimization/23509
1930 * tree-cfg.c (replace_uses_by): Use replace_exp.
1931 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1932 pointers have name_mem_tag or type_mem_tag set.
1934 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1936 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1937 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1938 of wrongly accessing operands.
1940 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1942 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1943 * tree-chrec.c: Include tree-scalar-evolution.h.
1944 (chrec_convert): Instantiate the base and step before calling
1945 scev_probably_wraps_p that would fail on parametric evolutions.
1946 Collect all the fails into a single section failed_to_convert,
1947 print a diagnostic, and return chrec_dont_know instead of calling
1949 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1950 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1952 (scev_const_prop): Don't replace the definition of a loop closed ssa
1953 phi node by itself, or by another loop closed ssa phi node.
1954 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1955 that base and step are defined.
1957 2005-09-09 Richard Guenther <rguenther@suse.de>
1960 * fold-const.c (fold_ternary): Check truth_value_p before
1961 calling invert_truthvalue.
1963 2005-09-09 Nick Clifton <nickc@redhat.com>
1965 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1966 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1967 dimension of these arrays.
1968 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1970 * longlong.h: Only provide a prototype for the __clz_tab[] array
1971 if this header has not been included from libgcc2.h.
1972 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1974 Provide prototypes for exported functions.
1975 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1978 2005-09-08 Josh Conner <jconner@apple.com>
1982 * expr.c (expand_expr_addr_expr_1): Don't invoke
1983 expand_simple_binop for EXPAND_INITIALIZER.
1985 2005-09-08 Richard Henderson <rth@redhat.com>
1988 * toplev.c (wrapup_global_declaration_1): Split out ...
1989 (wrapup_global_declaration_2): ... from ...
1990 (wrapup_global_declarations): ... here. Return bool.
1991 (check_global_declaration_1): Split out ...
1992 (check_global_declarations): from here.
1993 (emit_debug_global_declarations): New.
1994 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1995 check_global_declaration_1, emit_debug_global_declarations): Declare.
1996 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1997 of decls. Call wrapup_global_declaration_1,
1998 wrapup_global_declaration_2, check_global_declaration_1 directly.
1999 (c_write_global_declarations_2): New.
2001 (c_write_global_declarations): Call c_write_global_declarations_2.
2002 * langhooks.c (write_global_declarations): Call
2003 emit_debug_global_declarations.
2005 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2006 remove decls that have DECL_RTL_SET_P.
2007 * passes.c (rest_of_decl_compilation): Invoke
2008 cgraph_varpool_finalize_decl for all but functions.
2010 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2012 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2013 the result of a conversion if the new min and max cannot be compared.
2015 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2017 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2018 (override_options): Setting s390_sr_alias_set removed.
2019 (save_fpr, save_gprs): Set alias set to vararg or frame.
2020 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2021 s390_sr_alias_set with get_frame_alias_set ().
2022 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2023 get_varargs_alias_set ().
2025 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2029 * c-parser.c (c_parser_objc_method_definition): If the next
2030 token is not "{", error out and don't start the function.
2032 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2034 * tree-vrp.c (extract_range_from_expr): Move the check for non
2035 nullness after the check for gimple invariant.
2037 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2039 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2041 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2044 * config/m32r.md (movmemsi_internal): Canonicalize order of
2045 operands in PLUS component of template.
2047 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2049 * reload1.c (fixup_eh_region_note): Remove assertion.
2050 (fixup_abnormal_edges): Reverted removal of call to
2051 find_many_sub_basic_blocks made on 2005-08-31.
2053 2005-09-07 Richard Henderson <rth@redhat.com>
2055 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2056 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2057 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2058 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2059 rearrange for better packing.
2060 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2061 (lookup_cfa_1): Remove inline marker.
2062 (cfa_equal_p): Split out of ...
2063 (def_cfa_1): ... here. Use INVALID_REGNUM.
2064 (build_cfa_loc): Handle !cfa->indirect.
2065 (frame_pointer_cfa_offset): New.
2066 (dbx_reg_number): Assert register elimination performed; do
2067 leaf register remapping.
2068 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2069 (eliminate_reg_to_offset): New.
2070 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2071 for verifiably local stack frame addresses; re-base to CFA.
2072 (mem_loc_descriptor): Remove can_use_fbreg argument.
2073 (concat_loc_descriptor, loc_descriptor): Likewise.
2074 (containing_function_has_frame_base): Remove.
2075 (rtl_for_decl_location): Don't do register elimination or
2076 leaf register remapping here.
2077 (secname_for_decl): Split out from ..
2078 (add_location_or_const_value_attribute): ... here.
2079 (convert_cfa_to_loc_list): New.
2080 (compute_frame_pointer_to_cfa_displacement): New.
2081 (gen_subprogram_die): Use them.
2082 * tree.h (frame_base_decl): Remove.
2083 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2084 (prologue_stack_adjust): Remove.
2085 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2086 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2087 (set_frame_base_location): Remove.
2088 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2089 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2090 (vt_add_function_parameters): Don't eliminate_regs.
2091 (vt_initialize): Don't create frame_base_decl.
2093 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2095 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2096 version of GNU binutils for 4.x and later.
2098 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2100 * ggc-page.c (ggc_push_context): Remove.
2101 (ggc_pop_context): Likewise.
2102 * ggc.h (ggc_push_context): Remove.
2103 (ggc_pop_context): Likewise.
2105 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2108 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2109 returning from an interrupt handler.
2111 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2114 * config/arc/arc.c (output_shift): Add check for loop count when
2117 2005-09-06 Steven Bosscher <stevenb@suse.de>
2119 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2121 (abs_replacement): Likewise.
2122 (pass_phiopt): Remove TODO_update_ssa.
2124 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2127 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2128 if "return with no value, in function returning non-void" warning
2130 * tree-cfg.c (execute_warn_function_return): Don't look at
2131 RETURN_EXPRs with TREE_NO_WARNING set.
2134 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2135 for internal functions doesn't use registers used by global registers
2136 variables. Use fewer register parameters if there are global register
2139 2005-09-06 Olivier Hainque <hainque@adacore.com>
2140 Eric Botcazou <ebotcazou@adacore.com>
2143 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2144 when we would be extracting outside its bit span (bitpos+bitsize
2145 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2146 Ada unchecked conversions.
2148 2005-09-06 Steven Bosscher <stevenb@suse.de>
2150 * tree-ssa-pre.c (try_look_through_load): New function.
2151 (compute_avail): Use it to try to look through loads for some
2152 more useful expressions.
2154 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2156 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2157 condition for detecting cases like (a&a) and (a^a).
2159 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2161 * common.opt: Add option ftree-vect-loop-version.
2162 * params.def: Add --param vect-max-version-checks.
2163 * doc/invoke.texi: Document ftree-vect-loop-version and
2164 --param vect-max-version-checks.
2165 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2166 may_misalign_stmts and defines for accessors.
2167 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2168 LOOP_VINFO_MAY_MISALIGN_STMTS.
2169 (destroy_loop_vec_info): VEC_free for
2170 LOOP_VINFO_MAY_MISALIGN_STMTS.
2171 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2172 Update documentation.
2173 (vect_update_misalignment_for_peel): New.
2174 (vect_enhance_data_refs_alignment): Update to choose loop
2175 peeling or loop versioning if appropriate for the (potentially)
2176 unaligned data references in the loop.
2177 (vect_analyze_data_refs_alignment): Remove call to
2178 vect_enhance_data_refs_alignment so the checks can be done
2180 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2181 and move up call to vect_analyze_data_refs_alignment.
2182 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2183 (vect_transform_loop): Add call to loop_version.
2185 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2187 PR rtl-optimization/23098
2188 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2189 * simplify-rtx.c (constant_pool_reference_p): New function.
2190 * rtl.h (constant_pool_reference_p): New prototype.
2191 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2192 constant_pool_reference_p in condition and
2193 avoid_constant_pool_reference in preparation statements.
2195 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2197 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2198 STRICT_LOW_PART SETs.
2200 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2203 * except.c (sjlj_emit_function_enter): Find the function begin
2204 note even when it's not in first basic block.
2206 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2208 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2209 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2210 * aclocal.m4: Regenerate.
2212 2005-09-05 DJ Delorie <dj@redhat.com>
2214 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2217 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2219 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2220 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2221 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2222 Follow spelling conventions.
2223 * doc/invoke.texi: Follow spelling conventions.
2225 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2227 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2228 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2229 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2231 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2234 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2235 (output_stack_adjust): Use gen_tmp_stack_mem.
2236 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2237 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2238 (sh_get_pr_initial_val): Likewise.
2239 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2240 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2241 * sh.md (divsi_inv_m0): Use gen_const_mem.
2242 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2243 (movdf_i4+1): Use gen_tmp_stack_mem.
2244 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2245 (fpu_switch+2): Likewise.
2246 (movv4sf_i, movv16sf_i): Use adjust_address.
2247 (symGOT_load): Set MEM_NOTRAP_P bit.
2249 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2252 * pa.c (emit_move_sequence): Fix typo in last change.
2254 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2256 PR rtl-optimization/23454
2257 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2260 2005-09-03 Richard Henderson <rth@redhat.com>
2261 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2264 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2267 2005-09-02 Nicolas Pitre <nico@cam.org>
2269 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2270 to bit_count to 32 bits.
2272 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2275 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2276 generating synthetic loads from volatile lvalues.
2278 005-09-02 Nick Clifton <nickc@redhat.com>
2280 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2281 __ctzhi2, __clzhi2): New functions.
2283 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2286 * tree-nested.c (struct var_map_elt): Mark with GTY.
2287 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2289 (lookup_field_for_decl): Allocate new element in GC memory.
2290 (lookup_tramp_for_decl): Likewise.
2291 (convert_nl_goto_reference): Likewise
2292 (create_nesting_tree): Allocate info in GC memory. Likewise for
2294 (free_nesting_tree): Free with ggc_free instead of free.
2295 (root): New static variable.
2296 (lower_nested_functions): Remove root as local variable. And zero out
2297 root at the end of the function.
2299 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2301 PR rtl-optimization/20365
2302 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2303 to short. New member ix.
2304 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2305 (simplify_plus_minus): Initialize ix members before calling qsort.
2307 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR tree-optimization/23626
2310 * tree-cfg.c (replace_uses_by): Clean up eh info.
2312 2005-09-01 DJ Delorie <dj@redhat.com>
2314 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2317 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2319 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2320 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2323 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2325 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2326 do not issue warning for a variable definition following
2329 2005-09-01 Richard Henderson <rth@redhat.com>
2332 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2333 conversion to CONST_VECTOR.
2335 2005-09-01 Richard Henderson <rth@redhat.com>
2338 * reload1.c (reload_as_needed): Check !CALL_P before calling
2339 fixup_eh_region_note.
2340 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2342 2005-09-01 DJ Delorie <dj@redhat.com>
2344 * varasm.c (output_constant): Let the target resolve
2345 conversions of addresses to non-default pointer sizes.
2347 2005-09-01 Nicolas Pitre <nico@cam.org>
2349 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2350 to alow matching ARM pre-indexed addressing mode.
2351 (arm_override_options): Remove now irrelevant comment.
2353 2005-09-01 Phil Edwards <phil@codesourcery.com>
2355 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2356 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2357 * config/i386/vxworks.h: Likewise.
2358 * config/i386/t-vxworksae: New file, for VxWorks AE.
2359 * config/i386/vxworksae.h: Likewise.
2361 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2363 PR tree-optimization/23410
2364 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2365 sequence is not wrapping during the first step.
2367 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2370 * dwarf2out.c (base_type_die): Compare char_type_node with
2371 TYPE_MAIN_VARIANT (type), not type.
2373 2005-09-01 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/15366
2376 * common.opt: Add -finline-functions-called-once.
2377 Put -fearly-inlining in alphabetically ordered place.
2378 * doc/invoke.texi: Document new option.
2379 * ipa-inline.c (cgraph_decide_inlining): Honour
2380 flag_inline_functions_called_once.
2382 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2384 PR rtl-optimization/23478
2385 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2386 (alloc_qty): Initialize it.
2387 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2388 (combine_regs): Combine also n_throwing_calls_crossed fields.
2389 (find_free_reg): Don't attempt to caller-save pseudos crossing
2390 calls that might throw.
2391 * global.c (struct allocno): Add throwing_calls_crossed field.
2392 (global_alloc): Revert 2005-08-22 change. Initialize
2393 throwing_calls_crossed.
2394 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2397 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2400 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2401 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2402 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2403 (and64_2_operand): Tweak to use predicate.
2404 (and_operand): Adjust for mask_operand changes.
2405 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2406 (print_operand): Likewise.
2407 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2408 (mask64_1or2_operand): Delete.
2409 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2410 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2411 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2412 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2413 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2414 (rotldi3_internal4): Likewise.
2415 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2416 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2417 (ashldi3_internal7): Likewise.
2418 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2419 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2420 (anddi3 split): Don't match mask64_operand.
2421 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2422 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2423 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2424 't' splitter predicate.
2425 (movdi_internal64 + 2): Revert 2005-06-11 change.
2427 2005-08-31 DJ Delorie <dj@redhat.com>
2429 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2430 (m32c_asm_integer): Add support for 32 bit pointers.
2432 2005-08-31 Richard Henderson <rth@redhat.com>
2434 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2435 component-like references for setting MEM_NOTRAP_P.
2437 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2438 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2440 2005-08-31 Richard Henderson <rth@redhat.com>
2442 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2443 into a pseudo before applying gen_lowpart.
2445 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2447 * doc/install.texi (Specific): Update cctools version required
2448 for full functionality.
2449 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2450 linkers as -macosx_version_min.
2452 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2455 * sh.c (print_operand, %R and %S): Add handling of floating point
2456 registers, memory, constants and invalid operands.
2458 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2460 * ipa-pure-const.c: Change dump name.
2462 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2465 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2466 to "reg_or_0_operand".
2467 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2469 2005-08-31 Dale Johannesen <dalej@apple.com>
2471 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2472 loops that count down.
2474 2005-08-31 Richard Henderson <rth@redhat.com>
2477 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2478 (fixup_eh_region_note): New.
2479 (reload_as_needed): Call it.
2480 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2481 don't call find_many_sub_basic_blocks; call verify_flow_info.
2482 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2483 (keep_stack_depressed): Likewise.
2484 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2486 2005-08-31 Richard Henderson <rth@redhat.com>
2488 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2491 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2493 * expr.c (expand_expr_real_1): Compare size of address
2494 mode to target's address mode size in deciding expansion of
2495 the constant address.
2497 2005-08-31 Richard Guenther <rguenther@suse.de>
2500 * expr.c (all_zeros_p): New function.
2501 (expand_expr_real_1): Handle the case of an all-zero
2502 non-addressable constructor separately.
2504 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2506 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2507 arguments, adjust all callers.
2508 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2510 2005-08-30 Richard Henderson <rth@redhat.com>
2513 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2514 whenever the mode sizes match.
2516 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2518 * calls.c (load_register_parameters): Fix comment typo.
2519 * expr.c (emit_push_insn): Comment formatting.
2521 2005-08-30 Ian Lance Taylor <ian@airs.com>
2523 * config/i386/x-cygwin (host-cygwin): Change dependency from
2524 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2526 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2528 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2531 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2534 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2535 call to ggc_collect.
2537 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2540 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2541 beginning. Remove $(INCLUDES) from all the rules, if following
2542 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2544 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2547 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2548 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2549 not constant, but maxlen is, don't set len to maxlen, rather
2550 set maxlen to len if len is a constant.
2552 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2554 PR tree-optimization/23475
2555 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2558 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2560 Fix PR middle-end/22455
2562 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2563 Checksum only the parts of the tree that exist for the tree code.
2565 2005-08-28 Dale Johannesen <dalej@apple.com>
2567 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2569 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2571 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2573 2005-08-28 Richard Henderson <rth@redhat.com>
2575 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2576 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2579 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2582 * builtins.c (get_memory_rtx): Don't strip nops
2583 in between COMPONENT_REFs.
2585 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2588 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2590 (gimplify_modify_expr): Check for zero sized types and gimplify the
2591 rhs and lhs as statements.
2593 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2596 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2597 state for return address column of signal frames.
2599 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2602 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2603 bytes >= 2 not bytes == 2.
2604 (expand_block_move): Same.
2606 2005-08-27 Richard Guenther <rguenther@suse.de>
2609 * config/i386/sse.md (sse2_movsd): Add missing closing
2612 2005-08-27 Paul Brook <paul@codesourcery.com>
2614 * genrecog.c (enum decision_type): Add DT_num_insns.
2615 (struct decision_test): Add u.num_insns.
2616 (add_to_sequence): Add DT_num_insns test.
2617 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2618 (write_cond, debug_decision_2): Ditto.
2619 (change_state): Assume peep2_next_insn never fails.
2620 Remove "afterward" argument.
2621 (write afterward, write_tree): Update to match.
2622 * recog.c (peep2_current_count): New variable.
2623 (peep2_next_insn): Check it.
2624 (peephole2_optimize): Set peep2_current_count.
2625 * recog.h (peep2_current_count): Declare.
2627 2005-08-26 Josh Conner <jconner@apple.com>
2630 * ipa-pure-const.c (check_tree): Check for volatile-ness
2631 when considering a dereference.
2633 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2635 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2637 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2639 PR rtl-optimization/23561
2640 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2641 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2642 at most LEN bytes long memory fits into the field.
2643 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2644 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2645 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2647 2005-08-26 Richard Henderson <rth@redhat.com>
2650 * loop.c (biased_biv_may_wrap_p): New.
2651 (maybe_eliminate_biv_1): Use it to suppress non-equality
2652 comparison transformations. Delete disabled code.
2654 2005-08-26 Ian Lance Taylor <ian@airs.com>
2656 * combine.c (make_extraction): Avoid reference outside object.
2658 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2660 * stor-layout.c (finalize_type_size): Restore behaviour for
2661 non-aggregate types to the status quo ante of the patch for
2662 pr 23467. Document why it matters.
2664 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2667 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2668 array by one element, initialize the BT_LAST element with NULL.
2670 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2672 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2673 optimizing for size.
2675 (compare_plus_eqsi): Same.
2676 (plus_eqsi_compare): Same.
2677 (neg_eq0<mode>): Same.
2678 (neg_eq<mode>): Same.
2680 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2683 2005-08-26 Nick Clifton <nickc@redhat.com>
2685 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2686 TARGET_EP is not defined.
2687 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2688 TARGET_EP is enabled.
2689 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2690 * config/v850/v850.md (save_all_interrupt): Only use the EP
2691 register if TARGET_EP is defined.
2692 (restore_all_interrupt): Likewise.
2693 * config/v850/lib1funcs.asm: Update functions so that the EP
2694 register is only used if __EP__ is defined.
2696 2005-08-26 David Ung <davidu@mips.com>
2698 * config/mips/mips.c (mips_expand_prologue): Handle case when
2699 generating for MIPS16 and the outgoing argument area is more than
2700 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2703 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2705 * config/crx/crx.md: Make doloop_end pattern usage controllable
2706 via mloop-nesting=<max-nesting> command line switch. Make sure
2707 the combiner cannot use doloop_end_<mode> in an illegal way.
2708 * config/crx/crx.c: Use regs up to r6 for argument passing.
2709 Refine crx_address_cost (non cst4 displacements are expensive).
2710 * config/crx/crx.opt: Add switch for mloop-nesting=.
2712 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2714 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2715 (UNSPEC_MVST): New constant.
2717 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2719 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2720 Reject operands containing eliminable registers.
2721 * testsuite/gcc.dg/20050825-1.c: New testcase.
2723 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2724 Jan Hubicka <jh@suse.cz>
2726 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2728 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2730 PR tree-optimization/23546
2731 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2734 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2736 * params.def (PARAM_MIN_SPEC_PROB): New.
2737 * sched-rgn.c (MIN_PROBABILITY): Delete.
2738 (compute_trg_info): Convert to PARAM_VALUE.
2739 * doc/invoke.texi (param): Document min-spec-prob.
2741 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2743 * config/darwin.h: define __PIC__
2744 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2745 TARGET_OS_CPP_BUILTINS macro.
2747 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2749 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2752 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2754 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2756 * cfghooks.c (duplicate_block): Added position where to place
2757 new block as argument.
2758 * cfghooks.h (duplicate_block): Declaration changed.
2759 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2761 * cfglayout.h (copy_bbs): Declaration changed.
2762 * cfgloop.h (loop_version): Declaration changed.
2763 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2764 position to copy_bbs.
2765 (loop_version): Pass position to duplicate_loop_to_header_edge.
2766 Add place_after argument and position new blocks according to
2768 * modulo-sched.c (sms_schedule): Pass place_after argument
2770 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2771 * tree-cfg.c (split_edge_bb_loc): New function.
2772 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2773 to determine position of new blocks.
2774 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2776 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2777 argument to duplicate_block.
2778 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2779 Pass position to copy_bbs.
2781 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2783 * fold-const.c (ptr_difference_const): Use
2784 cst_and_fits_in_hwi instead of host_integerp.
2786 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2788 * config/darwin.c (gen_pic_offset): New.
2789 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2792 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2794 PR tree-optimization/23486
2795 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2797 2005-08-23 Phil Edwards <phil@codesourcery.com>
2799 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2800 remove use_collect2.
2801 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2803 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2804 configuration files to override the default value.
2806 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2807 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2808 * config/vx-common.h: New file, split out from...
2809 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2810 * config/vxworksae.h: New file, for VxWorks AE.
2811 * config/vxworks.opt: New file.
2812 * config/vxlib.c: Update for VxWorks 6.
2814 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2815 other MULTILIB_* variables appropriately.
2816 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2817 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2818 * config/rs6000/vxworks.h: Update for VxWorks 6.
2819 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2821 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2824 * config/darwin.c (machopic_select_section): Remove the hack to
2825 mark "::operator new" and "::operator delete" for coalescing
2826 even though they are not weak.
2828 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2830 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2831 * configure: Regenerate.
2833 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2836 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2838 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2839 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2842 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2844 * config/rs6000/predicates.md (equality_operator): New.
2845 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2846 comparison with a large constant.
2848 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2850 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2852 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2854 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2855 registers is even, and we have a hardware double precision fp,
2857 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2858 size of current argument when checking if argument was passed in
2861 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2864 * stor-layout.c (finalize_type_size): Dont override
2865 existing alignment with a smaller alignment from the mode.
2867 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2869 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2870 * lambda.h (lambda_vector_lexico_pos): ... here.
2871 * tree-data-ref.c (build_classic_dist_vector): Return false when
2872 the distance vector is lexicographically negative.
2874 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2876 PR tree-optimization/23511
2877 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2878 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2880 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2882 PR tree-optimization/22043
2883 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2884 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2885 If ALLOW_FLEXARR, handle types ending with flexible array member.
2886 Pass false as second argument to recursive count_type_elements calls.
2887 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2888 argument to count_type_elements call.
2889 * tree-sra.c (decide_block_copy): Likewise.
2890 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2891 for a constant-sized object, set cleared as well. Pass true as
2892 second argument to count_type_elements call.
2894 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2897 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2898 from legitimate_small_data_p, and make global. Update use.
2899 Remove forward declaration.
2900 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2902 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2904 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2907 of scratch intermediates.
2908 (eq<mode>_compare): Same.
2909 (neg_eq0<mode>): New.
2910 (neg_eq<mode>): Convert to define_insn_and_split.
2912 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2915 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2916 stdarg functions, set/clear the fp marker even when no variable
2918 * config/rs6000/sysv4.opt (mprototype): Describe.
2920 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2922 PR rtl-optimization/23478
2923 * regs.h (reg_info): Add throw_calls_crossed.
2924 (REG_N_THROWING_CALLS_CROSSED): Define.
2925 * flow.c (allocate_reg_life_data): Initialize
2926 REG_N_THROWING_CALLS_CROSSED.
2927 (propagate_one_insn, attempt_auto_inc): Update
2928 REG_N_THROWING_CALLS_CROSSED.
2929 * global.c (global_alloc): Don't allocate pseudos across
2930 calls that may throw.
2932 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2935 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2936 value is inbetween the range if we did not find an exact match.
2938 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2940 * doc/invoke.texi (Option Summary): Add ms1 options.
2941 * doc/extend.texi: Document interrupt handler attribute for ms1.
2942 * doc/md.texi: Document ms1 constraints.
2943 * config.gcc: Add ms1-*-elf.
2944 * config/ms1/ms1.h: New.
2945 * config/ms1/ms1.c: New.
2946 * config/ms1/ms1.md: New.
2947 * config/ms1/ms1-protos.h: New.
2948 * config/ms1/ABI.txt: New.
2949 * config/ms1/crti.asm: New.
2950 * config/ms1/crtn.asm: New.
2951 * config/ms1/lib2extra-funcs.c: New.
2952 * config/ms1/t-ms1: New.
2953 * config/ms1/ms1.opt: New.
2955 2005-08-22 Ira Rosen <irar@il.ibm.com>
2957 * config/rs6000/altivec.md (xorv4sf3): New.
2958 (negv4sf2, neg<mode>2): Likewise.
2960 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2963 * config/ia64/ia64.md (divsi3): Check divide by zero.
2964 (udivsi3): Likewise.
2966 (udivdi3): Likewise.
2968 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2970 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2971 up to elem_bitsize bits, not max_bitsize.
2973 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2975 PR tree-optimization/23433
2976 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2977 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2979 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2981 PR tree-optimization/23434
2982 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2983 the iteration bound is not an INTEGER_CST.
2985 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2987 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2988 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2989 NULL if need_epilog_adjust is false.
2990 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2991 Case 3 always peels first itration, not just for PLUS case, and no need
2992 to use scalar_initial_def here. Create an epilog adjustment only if
2993 scalar_initial_def is not NULL.
2995 (vectorizable_reduction): Remove assert.
2997 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3000 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3001 (__moddi3): Likewise.
3002 (__udivdi3): Likewise.
3003 (__umoddi3): Likewise.
3004 (__divsi3): Likewise.
3005 (__modsi3): Likewise.
3006 (__udivsi3): Likewise.
3007 (__umodsi3): Likewise.
3009 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3011 * tree-pass.h (TDF_GRAPH): Define.
3012 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3013 * passes.c (finish_optimization_passes): Only call
3014 finish_graph_dump_file if TDF_GRAPH is set.
3015 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3016 NULL. Set TDF_GRAPH bit.
3017 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3019 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3021 * arm.h (arm_stack_offsets): Add locals_base field.
3022 * arm.c (arm_get_frame_offsets): Compute it.
3023 (thumb_compute_initial_elimination offset): Make the Thumb frame
3024 pointer point to the base of the local variables.
3025 (thumb_expand_prologue): Update accordingly.
3026 (thumb_expand_epilogue): Likewise.
3028 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3029 mode of clobbered scratch to DImode. Handle a case that's known to
3032 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3034 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3035 (gt0<mode>_compare): Delete.
3036 (neg_gt0<mode>): Delete.
3038 2005-08-19 Eric Christopher <echristo@apple.com>
3040 * optabs.h: Change CTI_ to COI_.
3043 2005-08-19 James E Wilson <wilson@specifix.com>
3045 * builtins.c (expand_builtin_return_addr): Set
3046 current_function_accesses_prior_frames when count != 0. Use
3047 frame_pointer_rtx when count == 0.
3048 * function.h (struct function): Add accesses_prior_frames field.
3049 (current_function_accesses_prior_frames): Define.
3050 * reload1.c (init_elim_table): Check
3051 current_function_accesses_prior_frames.
3052 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3054 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3056 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3057 indicator. Return true if the flowgraph changed during
3060 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3063 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3064 conditional expression before testing its value.
3066 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3068 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3070 2005-08-19 Devang Patel <dpatel@apple.com>
3072 PR tree-optimization/23048
3073 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3074 third parameter. Check whether latch is dominated by exit
3076 (if_convertible_loop_p): Supply exit block itself to
3077 if_convertible_bb_p.
3079 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3082 * arm.md (arm_load_pic_register): Change argument to the mask of
3083 saved registers. Call thumb_find_work_register if we need a
3084 scratch register on Thumb.
3085 (arm_expand_prologue): Pass empty register set to
3086 arm_load_pic_register.
3087 (thumb_expand_prologue): Pass live_regs_mask directly to
3088 arm_load_pic_register.
3089 * arm-protos.h (arm_load_pic_register): Update prototype.
3091 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3093 * sh.c (find_sole_member): New function.
3094 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3095 if the record's alignment is larger than the size of its only member.
3097 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3100 * arm.c (thumb_legitimize_reload_address): New function.
3101 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3102 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3104 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3106 * config/crx/crx.c: Implement crx_decompose_address. Reject
3107 symbolic displacements since CRX register relative adressing
3108 mode can't handle unsigned 32-bit values as displacements.
3109 * config/crx/crx.h: Simplify definitions, remove redundant
3110 parenthesis and obsolete macros.
3111 * config/crx/crx.opt: Add new switch for debugging addresses.
3112 * config/crx/crx-protos.h: Add new declarations for above.
3114 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3117 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3120 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3122 * collect2.c (dup2): Delete.
3123 * configure.ac: Don't check for dup2.
3125 * config.in, configure: Regenerate.
3127 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3129 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3130 record with the type of its only member.
3132 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3134 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3135 define_insn_and_split.
3136 (plus_ltu<mode>_compare): Same.
3137 (gtu<mode>_compare): Same.
3138 (plus_gtu<mode>_compare): Same.
3140 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3142 PR tree-optimization/22228
3143 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3145 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3146 are recorded in vect_vnames_to_rename for renaming.
3147 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3148 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3149 in vect_vnames_to_rename.
3150 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3151 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3153 2005-08-18 Jan Hubicka <jh@suse.cz>
3156 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3157 info only for local statics, not for member variables.
3159 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3161 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3163 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3165 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3167 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3170 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3172 2005-08-17 James E Wilson <wilson@specifix.com>
3174 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3177 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3179 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3180 (leu<mode>_compare): Same.
3181 (plus_leu<mode>): Same.
3182 (neg_leu<mode>): Same.
3183 (and_neg_leu<mode): Same.
3184 (ltu<mode>_compare): Same.
3185 (plus_ltu<mode>): Same.
3187 (geu<mode>_compare): Same.
3188 (plus_geu<mode>): Same.
3189 (neg_geu<mode>): Same.
3190 (and_neg_geu<mode>): Same.
3191 (plus_gt<mode>): Same.
3192 (gtu<mode>_compare): Same.
3193 (plus_gtu<mode>): Same.
3195 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3197 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3198 Move call_table_data to end. Delete spurious .text.
3199 (callt_save_all_interrupt): Fix comment typo.
3201 2005-08-17 James E Wilson <wilson@specifix.com>
3202 Kevin Winchester <winchester@amirix.com>
3205 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3207 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3210 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3211 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3213 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3215 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3216 record with the type of its only member if the modes don't match.
3218 * varasm.c (decode_reg_name): Skip empty additional register names.
3220 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3222 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3223 lsm_tmp_name_length): New.
3224 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3225 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3227 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3228 Andreas Krebbel <krebbel1@de.ibm.com>
3230 * config.gcc: Added z9-109 switch.
3231 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3232 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3233 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3234 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3235 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3236 for "z9_109" cpu attribute.
3237 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3238 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3239 (s390_handle_arch_option): Added z9-109 switch.
3240 (override_options): Set respective cost function for z9-109.
3241 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3242 (legitimate_reload_constant_p): Accept extended immediates.
3243 (print_operand): Three new output modifiers added: k, m and o.
3244 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3245 (s390_output_mi_thunk): Use extended immediate when possible.
3246 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3247 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3248 (CONSTRAINT_LEN): Added length of O constraint.
3249 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3250 * config/s390/s390.md ("cpu"): New value z9_109 added.
3251 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3252 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3253 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3254 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3255 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3256 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3257 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3258 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3259 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3260 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3261 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3262 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3263 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3264 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3265 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3267 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3268 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3269 insns for TARGET_EXTIMM.
3271 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3273 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3275 2005-08-17 Nick Clifton <nickc@redhat.com>
3277 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3278 Call default_encode_section_info.
3280 2005-08-17 Steven Bosscher <stevenb@suse.de>
3282 PR tree-optimization/21574
3283 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3284 constant, return CONSTANT.
3285 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3286 (ccp_fold, visit_assignment): Likewise.
3287 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3289 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3291 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3292 fold_buildN instead of buildN then fold_initializer or fold.
3293 (build_unary_op): Likewise.
3294 (build_binary_op): Likewise.
3295 * fold-const.c (fold_initializer): Remove.
3296 (fold_build1_initializer): New function.
3297 (fold_build2_initializer): New function.
3298 (fold_build3_initializer): New function.
3299 * tree.h (fold_initializer): Remove.
3300 (fold_build1_initializer): New function.
3301 (fold_build2_initializer): New function.
3302 (fold_build3_initializer): New function.
3304 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3306 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3307 (try_move_mult_to_index): Call fold_build2 instead of build2.
3308 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3309 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3310 fold_binary_to_constant.
3311 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3313 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3314 check if A == gcd (A, B). Remove TYPE argument.
3315 (analyze_offset) Use fold_build2 instead of fold (build.
3316 (create_data_ref): Likewise.
3317 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3318 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3321 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3323 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3324 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3326 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3329 * gimplify.c (zero_sized_type): New function.
3330 (gimplify_modify_expr_rhs): If we have a zero sized type,
3331 replace the statement with an empty statement.
3333 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3335 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3338 2005-08-16 Ian Lance Taylor <ian@airs.com>
3340 * doc/tm.texi (Label Output): Correct typo.
3342 2005-08-16 Steven Bosscher <stevenb@suse.de>
3345 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3346 force_operand will work later on using have_insn_for.
3348 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3350 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3352 2005-08-16 Ian Lance Taylor <ian@airs.com>
3355 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3356 vector type, don't try to construct it element by element. Add an
3357 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3359 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3361 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3363 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3365 * doc/invoke.texi (Precompiled Headers): Document some more options
3366 which are known to be safe.
3368 2005-08-16 James E Wilson <wilson@specifix.com>
3370 PR tree-optimization/21105
3371 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3372 TREE_OVERFLOW check.
3374 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3376 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3377 (neg_ltu<mode>): Same.
3379 (neg_gtu<mode>): Same.
3381 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3383 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3384 (fold_builtin_isdigit): Use fold_buildN.
3385 (build_function_call_expr): Likewise.
3386 * c-typeck.c (c_finish_loop): Likewise.
3388 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3389 Richard Shann <rshann@superh.com>
3391 PR middle-end/20396:
3392 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3394 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3396 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3398 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3401 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3402 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3405 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3408 * fold-const.c (build_range_check): Disable optimization for function
3409 pointer expressions on targets that require function pointer
3412 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3414 * simplify-rtx.c (simplify_const_relational_operation): When
3415 extracting arguments of a COMPARE, recompute the mode as well.
3417 2005-08-15 Ian Lance Taylor <ian@airs.com>
3419 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3421 2005-08-15 DJ Delorie <dj@redhat.com>
3423 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3425 (movsi_splittable): Allow, but split, moves to the stack.
3426 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3429 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3432 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3433 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3435 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3436 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3437 Delete HOST_PTR_PRINTF.
3439 * configure, config.in: Regenerate.
3441 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3443 * config/rs6000/rs6000.md (QHSI): New mode macro.
3444 (wd): Extend mode attr for QImode and HImode
3445 (dbits): New mode attr.
3446 (zero_extend<mode>di2): Convert to mode macro.
3448 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3451 * doc/invoke.texi (-mgnu-ld): Update description.
3454 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3457 * Makefile.in (tree-chrec.o): Depends on real.h.
3458 * tree-chrec.c: Include real.h.
3459 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3460 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3461 * tree-scalar-evolution.c (add_to_evolution_1,
3462 interpret_rhs_modify_expr): Ditto.
3464 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3467 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3468 step is negative compute the estimation from init downwards to zero.
3470 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3472 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3474 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3476 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3478 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3479 Accept double-word constants that can be split.
3480 * config/s390/s390.md ("movti"): Use 'P' constraint.
3481 ("*movdi_31", "*movdf_31"): Likewise.
3483 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3485 Fix PR tree-optimization/22615
3487 * tree-ssa-structalias.c (solution_set_add): Handle
3488 first_vi_for_offset returning NULL.
3489 (do_da_constraint): Ditto.
3490 (do_sd_constraint): Ditto.
3491 (do_ds_constraint): Ditto
3492 (find_func_aliases): Ditto.
3493 (build_constraint_graph): RHS is allowed be ANYTHING.
3494 (first_vi_for_offset): Return NULL if we couldn't find anything at
3497 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3499 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3500 over memory as first operand.
3502 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3505 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3506 available for setting it.
3508 2005-08-14 Ira Rosen <irar@il.ibm.com>
3510 PR tree-optimization/23320
3511 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3512 data-refs' types instead of base object nullness. Add check for
3513 pointer type data-refs before first location comparison. Remove