1 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
8 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
10 2005-09-13 Alan Modra <amodra@bigpond.net.au>
13 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
14 word before changing the stack pointer. Use gen_frame_mem for MEMs.
15 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
16 (restore_stack_nonlocal): Likewise.
17 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
19 2005-09-12 Ian Lance Taylor <ian@airs.com>
22 * c.opt (ffriend-injection): New C++ option.
23 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
24 (C++ Dialect Options): Document -ffriend-injection.
26 2005-09-12 Josh Conner <jconner@apple.com>
29 * ipa-reference.c (static_execute): Don't mark variables in
30 named sections TREE_READONLY.
32 2005-09-12 Alan Modra <amodra@bigpond.net.au>
34 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
37 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
39 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
40 V_MUST_DEF instead of just the first_use_p.
41 Don't mark the virtual variables for renaming on the statement which
43 (pass_dse): Remove TODO_update_ssa.
45 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
48 * stor-layout.c (compute_record_mode): For records with a single
49 field, actually check the field's mode size against the type size.
51 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
52 registers for TARGET_SHMEDIA.
53 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
54 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
55 of GENERAL_REGS and FP_REGS.
57 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
59 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
61 2005-09-12 Alan Modra <amodra@bigpond.net.au>
63 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
64 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
65 are omitted. Exclude stack_tie insn too.
67 2005-09-11 David Edelsohn <edelsohn@gnu.org>
69 PR rtl-optimization/23098
70 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
72 * config/rs6000/rs6000.md (movdf splitter): Use
73 const_double_operand predicate for TARGET_POWERPC64.
74 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
75 SYMBOL_REF method to ABI_V4.
77 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
78 replace_equiv_address.
79 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
80 rs6000_sr_alias_set and MEM_NOTRAP.
81 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
83 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
85 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
86 handle CALL_EXPR again.
88 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
90 * arm/predicates.md (alignable_memory_operand): Delete.
92 2005-09-10 Richard Henderson <rth@redhat.com>
95 * dbxout.c (dbxout_expand_expr): New.
96 (dbxout_symbol): Use it.
98 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
100 * arm.c (arm_gen_rotated_half_load): Delete.
101 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
102 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
103 (thumb_set_return_address): Likewise.
104 (thumb_load_double_from_address): Use adjust_address.
105 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
106 (extendhsisi2_mem, movhi_bytes): Use change_address.
107 (movhi): Use widen_memory_access.
108 (reload_out_df): Use replace_equiv_address.
109 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
111 2005-09-09 Richard Henderson <rth@redhat.com>
114 * dbxout.c: Include expr.h.
115 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
116 (dbxout_symbol): Handle DECL_VALUE_EXPR.
117 * Makefile.in (dbxout.o): Add EXPR_H.
119 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
121 PR tree-optimization/23509
122 * tree-cfg.c (replace_uses_by): Use replace_exp.
123 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
124 pointers have name_mem_tag or type_mem_tag set.
126 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
128 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
129 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
130 of wrongly accessing operands.
132 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
134 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
135 * tree-chrec.c: Include tree-scalar-evolution.h.
136 (chrec_convert): Instantiate the base and step before calling
137 scev_probably_wraps_p that would fail on parametric evolutions.
138 Collect all the fails into a single section failed_to_convert,
139 print a diagnostic, and return chrec_dont_know instead of calling
141 * tree-scalar-evolution.c (loop_closed_phi_def): New.
142 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
144 (scev_const_prop): Don't replace the definition of a loop closed ssa
145 phi node by itself, or by another loop closed ssa phi node.
146 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
147 that base and step are defined.
149 2005-09-09 Richard Guenther <rguenther@suse.de>
152 * fold-const.c (fold_ternary): Check truth_value_p before
153 calling invert_truthvalue.
155 2005-09-09 Nick Clifton <nickc@redhat.com>
157 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
158 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
159 dimension of these arrays.
160 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
162 * longlong.h: Only provide a prototype for the __clz_tab[] array
163 if this header has not been included from libgcc2.h.
164 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
166 Provide prototypes for exported functions.
167 Use the __clz_tab[] and __popcount_tab[] arrays provided by
170 2005-09-08 Josh Conner <jconner@apple.com>
174 * expr.c (expand_expr_addr_expr_1): Don't invoke
175 expand_simple_binop for EXPAND_INITIALIZER.
177 2005-09-08 Richard Henderson <rth@redhat.com>
180 * toplev.c (wrapup_global_declaration_1): Split out ...
181 (wrapup_global_declaration_2): ... from ...
182 (wrapup_global_declarations): ... here. Return bool.
183 (check_global_declaration_1): Split out ...
184 (check_global_declarations): from here.
185 (emit_debug_global_declarations): New.
186 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
187 check_global_declaration_1, emit_debug_global_declarations): Declare.
188 * c-decl.c (c_write_global_declarations_1): Don't create a vector
189 of decls. Call wrapup_global_declaration_1,
190 wrapup_global_declaration_2, check_global_declaration_1 directly.
191 (c_write_global_declarations_2): New.
193 (c_write_global_declarations): Call c_write_global_declarations_2.
194 * langhooks.c (write_global_declarations): Call
195 emit_debug_global_declarations.
197 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
198 remove decls that have DECL_RTL_SET_P.
199 * passes.c (rest_of_decl_compilation): Invoke
200 cgraph_varpool_finalize_decl for all but functions.
202 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
204 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
205 the result of a conversion if the new min and max cannot be compared.
207 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
209 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
210 (override_options): Setting s390_sr_alias_set removed.
211 (save_fpr, save_gprs): Set alias set to vararg or frame.
212 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
213 s390_sr_alias_set with get_frame_alias_set ().
214 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
215 get_varargs_alias_set ().
217 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
221 * c-parser.c (c_parser_objc_method_definition): If the next
222 token is not "{", error out and don't start the function.
224 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
226 * tree-vrp.c (extract_range_from_expr): Move the check for non
227 nullness after the check for gimple invariant.
229 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
231 * tree.c (host_integerp, tree_low_cst): Correct function comment.
233 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
236 * config/m32r.md (movmemsi_internal): Canonicalize order of
237 operands in PLUS component of template.
239 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
241 * reload1.c (fixup_eh_region_note): Remove assertion.
242 (fixup_abnormal_edges): Reverted removal of call to
243 find_many_sub_basic_blocks made on 2005-08-31.
245 2005-09-07 Richard Henderson <rth@redhat.com>
247 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
248 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
249 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
250 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
251 rearrange for better packing.
252 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
253 (lookup_cfa_1): Remove inline marker.
254 (cfa_equal_p): Split out of ...
255 (def_cfa_1): ... here. Use INVALID_REGNUM.
256 (build_cfa_loc): Handle !cfa->indirect.
257 (frame_pointer_cfa_offset): New.
258 (dbx_reg_number): Assert register elimination performed; do
259 leaf register remapping.
260 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
261 (eliminate_reg_to_offset): New.
262 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
263 for verifiably local stack frame addresses; re-base to CFA.
264 (mem_loc_descriptor): Remove can_use_fbreg argument.
265 (concat_loc_descriptor, loc_descriptor): Likewise.
266 (containing_function_has_frame_base): Remove.
267 (rtl_for_decl_location): Don't do register elimination or
268 leaf register remapping here.
269 (secname_for_decl): Split out from ..
270 (add_location_or_const_value_attribute): ... here.
271 (convert_cfa_to_loc_list): New.
272 (compute_frame_pointer_to_cfa_displacement): New.
273 (gen_subprogram_die): Use them.
274 * tree.h (frame_base_decl): Remove.
275 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
276 (prologue_stack_adjust): Remove.
277 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
278 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
279 (set_frame_base_location): Remove.
280 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
281 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
282 (vt_add_function_parameters): Don't eliminate_regs.
283 (vt_initialize): Don't create frame_base_decl.
285 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
287 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
288 version of GNU binutils for 4.x and later.
290 2005-09-06 Mark Mitchell <mark@codesourcery.com>
292 * ggc-page.c (ggc_push_context): Remove.
293 (ggc_pop_context): Likewise.
294 * ggc.h (ggc_push_context): Remove.
295 (ggc_pop_context): Likewise.
297 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
300 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
301 returning from an interrupt handler.
303 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
306 * config/arc/arc.c (output_shift): Add check for loop count when
309 2005-09-06 Steven Bosscher <stevenb@suse.de>
311 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
313 (abs_replacement): Likewise.
314 (pass_phiopt): Remove TODO_update_ssa.
316 2005-09-06 Jakub Jelinek <jakub@redhat.com>
319 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
320 if "return with no value, in function returning non-void" warning
322 * tree-cfg.c (execute_warn_function_return): Don't look at
323 RETURN_EXPRs with TREE_NO_WARNING set.
326 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
327 for internal functions doesn't use registers used by global registers
328 variables. Use fewer register parameters if there are global register
331 2005-09-06 Olivier Hainque <hainque@adacore.com>
332 Eric Botcazou <ebotcazou@adacore.com>
335 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
336 when we would be extracting outside its bit span (bitpos+bitsize
337 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
338 Ada unchecked conversions.
340 2005-09-06 Steven Bosscher <stevenb@suse.de>
342 * tree-ssa-pre.c (try_look_through_load): New function.
343 (compute_avail): Use it to try to look through loads for some
344 more useful expressions.
346 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
348 * simplify-rtx.c (simplify_binary_operation_1): Correct the
349 condition for detecting cases like (a&a) and (a^a).
351 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
353 * common.opt: Add option ftree-vect-loop-version.
354 * params.def: Add --param vect-max-version-checks.
355 * doc/invoke.texi: Document ftree-vect-loop-version and
356 --param vect-max-version-checks.
357 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
358 may_misalign_stmts and defines for accessors.
359 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
360 LOOP_VINFO_MAY_MISALIGN_STMTS.
361 (destroy_loop_vec_info): VEC_free for
362 LOOP_VINFO_MAY_MISALIGN_STMTS.
363 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
364 Update documentation.
365 (vect_update_misalignment_for_peel): New.
366 (vect_enhance_data_refs_alignment): Update to choose loop
367 peeling or loop versioning if appropriate for the (potentially)
368 unaligned data references in the loop.
369 (vect_analyze_data_refs_alignment): Remove call to
370 vect_enhance_data_refs_alignment so the checks can be done
372 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
373 and move up call to vect_analyze_data_refs_alignment.
374 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
375 (vect_transform_loop): Add call to loop_version.
377 2005-09-06 Jakub Jelinek <jakub@redhat.com>
379 PR rtl-optimization/23098
380 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
381 * simplify-rtx.c (constant_pool_reference_p): New function.
382 * rtl.h (constant_pool_reference_p): New prototype.
383 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
384 constant_pool_reference_p in condition and
385 avoid_constant_pool_reference in preparation statements.
387 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
389 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
390 STRICT_LOW_PART SETs.
392 2005-09-06 Alan Modra <amodra@bigpond.net.au>
395 * except.c (sjlj_emit_function_enter): Find the function begin
396 note even when it's not in first basic block.
398 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
400 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
401 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
402 * aclocal.m4: Regenerate.
404 2005-09-05 DJ Delorie <dj@redhat.com>
406 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
409 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
411 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
412 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
413 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
414 Follow spelling conventions.
415 * doc/invoke.texi: Follow spelling conventions.
417 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
419 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
420 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
421 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
423 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
426 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
427 (output_stack_adjust): Use gen_tmp_stack_mem.
428 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
429 (sh_set_return_address, sh_allocate_initial_value): Likewise.
430 (sh_get_pr_initial_val): Likewise.
431 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
432 (sh_initialize_trampoline): Likewise. Also use adjust_address.
433 * sh.md (divsi_inv_m0): Use gen_const_mem.
434 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
435 (movdf_i4+1): Use gen_tmp_stack_mem.
436 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
437 (fpu_switch+2): Likewise.
438 (movv4sf_i, movv16sf_i): Use adjust_address.
439 (symGOT_load): Set MEM_NOTRAP_P bit.
441 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
444 * pa.c (emit_move_sequence): Fix typo in last change.
446 2005-09-03 Jakub Jelinek <jakub@redhat.com>
448 PR rtl-optimization/23454
449 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
452 2005-09-03 Richard Henderson <rth@redhat.com>
453 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
456 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
459 2005-09-02 Nicolas Pitre <nico@cam.org>
461 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
462 to bit_count to 32 bits.
464 2005-08-31 Mark Mitchell <mark@codesourcery.com>
467 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
468 generating synthetic loads from volatile lvalues.
470 005-09-02 Nick Clifton <nickc@redhat.com>
472 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
473 __ctzhi2, __clzhi2): New functions.
475 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
478 * tree-nested.c (struct var_map_elt): Mark with GTY.
479 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
481 (lookup_field_for_decl): Allocate new element in GC memory.
482 (lookup_tramp_for_decl): Likewise.
483 (convert_nl_goto_reference): Likewise
484 (create_nesting_tree): Allocate info in GC memory. Likewise for
486 (free_nesting_tree): Free with ggc_free instead of free.
487 (root): New static variable.
488 (lower_nested_functions): Remove root as local variable. And zero out
489 root at the end of the function.
491 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
493 PR rtl-optimization/20365
494 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
495 to short. New member ix.
496 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
497 (simplify_plus_minus): Initialize ix members before calling qsort.
499 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
501 PR tree-optimization/23626
502 * tree-cfg.c (replace_uses_by): Clean up eh info.
504 2005-09-01 DJ Delorie <dj@redhat.com>
506 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
509 2005-09-01 David Edelsohn <edelsohn@gnu.org>
511 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
512 (rs6000_split_multireg_move): Use replace_equiv_address instead of
515 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
517 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
518 do not issue warning for a variable definition following
521 2005-09-01 Richard Henderson <rth@redhat.com>
524 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
525 conversion to CONST_VECTOR.
527 2005-09-01 Richard Henderson <rth@redhat.com>
530 * reload1.c (reload_as_needed): Check !CALL_P before calling
531 fixup_eh_region_note.
532 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
534 2005-09-01 DJ Delorie <dj@redhat.com>
536 * varasm.c (output_constant): Let the target resolve
537 conversions of addresses to non-default pointer sizes.
539 2005-09-01 Nicolas Pitre <nico@cam.org>
541 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
542 to alow matching ARM pre-indexed addressing mode.
543 (arm_override_options): Remove now irrelevant comment.
545 2005-09-01 Phil Edwards <phil@codesourcery.com>
547 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
548 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
549 * config/i386/vxworks.h: Likewise.
550 * config/i386/t-vxworksae: New file, for VxWorks AE.
551 * config/i386/vxworksae.h: Likewise.
553 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
555 PR tree-optimization/23410
556 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
557 sequence is not wrapping during the first step.
559 2005-09-01 Jakub Jelinek <jakub@redhat.com>
562 * dwarf2out.c (base_type_die): Compare char_type_node with
563 TYPE_MAIN_VARIANT (type), not type.
565 2005-09-01 Richard Guenther <rguenther@suse.de>
567 PR tree-optimization/15366
568 * common.opt: Add -finline-functions-called-once.
569 Put -fearly-inlining in alphabetically ordered place.
570 * doc/invoke.texi: Document new option.
571 * ipa-inline.c (cgraph_decide_inlining): Honour
572 flag_inline_functions_called_once.
574 2005-09-01 Jakub Jelinek <jakub@redhat.com>
576 PR rtl-optimization/23478
577 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
578 (alloc_qty): Initialize it.
579 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
580 (combine_regs): Combine also n_throwing_calls_crossed fields.
581 (find_free_reg): Don't attempt to caller-save pseudos crossing
582 calls that might throw.
583 * global.c (struct allocno): Add throwing_calls_crossed field.
584 (global_alloc): Revert 2005-08-22 change. Initialize
585 throwing_calls_crossed.
586 (find_reg): Don't attempt to caller-save pseudos crossing calls that
589 2005-09-01 Alan Modra <amodra@bigpond.net.au>
592 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
593 (mask64_operand): Reinstate code prior to 2005-06-11 change.
594 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
595 (and64_2_operand): Tweak to use predicate.
596 (and_operand): Adjust for mask_operand changes.
597 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
598 (print_operand): Likewise.
599 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
600 (mask64_1or2_operand): Delete.
601 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
602 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
603 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
604 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
605 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
606 (rotldi3_internal4): Likewise.
607 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
608 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
609 (ashldi3_internal7): Likewise.
610 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
611 (ashldi3_internal, ashldi3_internal9 split): Likewise.
612 (anddi3 split): Don't match mask64_operand.
613 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
614 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
615 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
616 't' splitter predicate.
617 (movdi_internal64 + 2): Revert 2005-06-11 change.
619 2005-08-31 DJ Delorie <dj@redhat.com>
621 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
622 (m32c_asm_integer): Add support for 32 bit pointers.
624 2005-08-31 Richard Henderson <rth@redhat.com>
626 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
627 component-like references for setting MEM_NOTRAP_P.
629 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
630 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
632 2005-08-31 Richard Henderson <rth@redhat.com>
634 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
635 into a pseudo before applying gen_lowpart.
637 2005-08-31 Geoffrey Keating <geoffk@apple.com>
639 * doc/install.texi (Specific): Update cctools version required
640 for full functionality.
641 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
642 linkers as -macosx_version_min.
644 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
647 * sh.c (print_operand, %R and %S): Add handling of floating point
648 registers, memory, constants and invalid operands.
650 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
652 * ipa-pure-const.c: Change dump name.
654 2005-08-31 Uros Bizjak <uros@kss-loka.si>
657 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
658 to "reg_or_0_operand".
659 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
661 2005-08-31 Dale Johannesen <dalej@apple.com>
663 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
664 loops that count down.
666 2005-08-31 Richard Henderson <rth@redhat.com>
669 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
670 (fixup_eh_region_note): New.
671 (reload_as_needed): Call it.
672 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
673 don't call find_many_sub_basic_blocks; call verify_flow_info.
674 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
675 (keep_stack_depressed): Likewise.
676 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
678 2005-08-31 Richard Henderson <rth@redhat.com>
680 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
683 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
685 * expr.c (expand_expr_real_1): Compare size of address
686 mode to target's address mode size in deciding expansion of
687 the constant address.
689 2005-08-31 Richard Guenther <rguenther@suse.de>
692 * expr.c (all_zeros_p): New function.
693 (expand_expr_real_1): Handle the case of an all-zero
694 non-addressable constructor separately.
696 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
698 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
699 arguments, adjust all callers.
700 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
702 2005-08-30 Richard Henderson <rth@redhat.com>
705 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
706 whenever the mode sizes match.
708 2005-08-31 Alan Modra <amodra@bigpond.net.au>
710 * calls.c (load_register_parameters): Fix comment typo.
711 * expr.c (emit_push_insn): Comment formatting.
713 2005-08-30 Ian Lance Taylor <ian@airs.com>
715 * config/i386/x-cygwin (host-cygwin): Change dependency from
716 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
718 2005-08-29 Geoffrey Keating <geoffk@apple.com>
720 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
723 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
726 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
729 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
732 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
733 beginning. Remove $(INCLUDES) from all the rules, if following
734 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
736 2005-08-29 Jakub Jelinek <jakub@redhat.com>
739 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
740 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
741 not constant, but maxlen is, don't set len to maxlen, rather
742 set maxlen to len if len is a constant.
744 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
746 PR tree-optimization/23475
747 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
750 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
752 Fix PR middle-end/22455
754 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
755 Checksum only the parts of the tree that exist for the tree code.
757 2005-08-28 Dale Johannesen <dalej@apple.com>
759 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
761 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
763 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
765 2005-08-28 Richard Henderson <rth@redhat.com>
767 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
768 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
771 2005-08-28 Jakub Jelinek <jakub@redhat.com>
774 * builtins.c (get_memory_rtx): Don't strip nops
775 in between COMPONENT_REFs.
777 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
780 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
782 (gimplify_modify_expr): Check for zero sized types and gimplify the
783 rhs and lhs as statements.
785 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
788 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
789 state for return address column of signal frames.
791 2005-08-27 David Edelsohn <edelsohn@gnu.org>
794 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
795 bytes >= 2 not bytes == 2.
796 (expand_block_move): Same.
798 2005-08-27 Richard Guenther <rguenther@suse.de>
801 * config/i386/sse.md (sse2_movsd): Add missing closing
804 2005-08-27 Paul Brook <paul@codesourcery.com>
806 * genrecog.c (enum decision_type): Add DT_num_insns.
807 (struct decision_test): Add u.num_insns.
808 (add_to_sequence): Add DT_num_insns test.
809 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
810 (write_cond, debug_decision_2): Ditto.
811 (change_state): Assume peep2_next_insn never fails.
812 Remove "afterward" argument.
813 (write afterward, write_tree): Update to match.
814 * recog.c (peep2_current_count): New variable.
815 (peep2_next_insn): Check it.
816 (peephole2_optimize): Set peep2_current_count.
817 * recog.h (peep2_current_count): Declare.
819 2005-08-26 Josh Conner <jconner@apple.com>
822 * ipa-pure-const.c (check_tree): Check for volatile-ness
823 when considering a dereference.
825 2005-08-27 Jakub Jelinek <jakub@redhat.com>
827 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
829 2005-08-26 Jakub Jelinek <jakub@redhat.com>
831 PR rtl-optimization/23561
832 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
833 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
834 at most LEN bytes long memory fits into the field.
835 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
836 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
837 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
839 2005-08-26 Richard Henderson <rth@redhat.com>
842 * loop.c (biased_biv_may_wrap_p): New.
843 (maybe_eliminate_biv_1): Use it to suppress non-equality
844 comparison transformations. Delete disabled code.
846 2005-08-26 Ian Lance Taylor <ian@airs.com>
848 * combine.c (make_extraction): Avoid reference outside object.
850 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
852 * stor-layout.c (finalize_type_size): Restore behaviour for
853 non-aggregate types to the status quo ante of the patch for
854 pr 23467. Document why it matters.
856 2005-08-26 Jakub Jelinek <jakub@redhat.com>
859 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
860 array by one element, initialize the BT_LAST element with NULL.
862 2005-08-26 David Edelsohn <edelsohn@gnu.org>
864 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
867 (compare_plus_eqsi): Same.
868 (plus_eqsi_compare): Same.
869 (neg_eq0<mode>): Same.
870 (neg_eq<mode>): Same.
872 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
875 2005-08-26 Nick Clifton <nickc@redhat.com>
877 * config/v850/v850.c (ep_memory_operand): Return FALSE if
878 TARGET_EP is not defined.
879 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
880 TARGET_EP is enabled.
881 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
882 * config/v850/v850.md (save_all_interrupt): Only use the EP
883 register if TARGET_EP is defined.
884 (restore_all_interrupt): Likewise.
885 * config/v850/lib1funcs.asm: Update functions so that the EP
886 register is only used if __EP__ is defined.
888 2005-08-26 David Ung <davidu@mips.com>
890 * config/mips/mips.c (mips_expand_prologue): Handle case when
891 generating for MIPS16 and the outgoing argument area is more than
892 SMALL_OPERAND. Use the frame pointer as temporary to generate the
895 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
897 * config/crx/crx.md: Make doloop_end pattern usage controllable
898 via mloop-nesting=<max-nesting> command line switch. Make sure
899 the combiner cannot use doloop_end_<mode> in an illegal way.
900 * config/crx/crx.c: Use regs up to r6 for argument passing.
901 Refine crx_address_cost (non cst4 displacements are expensive).
902 * config/crx/crx.opt: Add switch for mloop-nesting=.
904 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
906 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
907 (UNSPEC_MVST): New constant.
909 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
911 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
912 Reject operands containing eliminable registers.
913 * testsuite/gcc.dg/20050825-1.c: New testcase.
915 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
916 Jan Hubicka <jh@suse.cz>
918 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
920 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
922 PR tree-optimization/23546
923 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
926 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
928 * params.def (PARAM_MIN_SPEC_PROB): New.
929 * sched-rgn.c (MIN_PROBABILITY): Delete.
930 (compute_trg_info): Convert to PARAM_VALUE.
931 * doc/invoke.texi (param): Document min-spec-prob.
933 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
935 * config/darwin.h: define __PIC__
936 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
937 TARGET_OS_CPP_BUILTINS macro.
939 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
941 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
944 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
946 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
948 * cfghooks.c (duplicate_block): Added position where to place
949 new block as argument.
950 * cfghooks.h (duplicate_block): Declaration changed.
951 * cfglayout.c (copy_bbs): Add argument after. Pass it to
953 * cfglayout.h (copy_bbs): Declaration changed.
954 * cfgloop.h (loop_version): Declaration changed.
955 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
956 position to copy_bbs.
957 (loop_version): Pass position to duplicate_loop_to_header_edge.
958 Add place_after argument and position new blocks according to
960 * modulo-sched.c (sms_schedule): Pass place_after argument
962 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
963 * tree-cfg.c (split_edge_bb_loc): New function.
964 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
965 to determine position of new blocks.
966 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
968 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
969 argument to duplicate_block.
970 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
971 Pass position to copy_bbs.
973 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
975 * fold-const.c (ptr_difference_const): Use
976 cst_and_fits_in_hwi instead of host_integerp.
978 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
980 * config/darwin.c (gen_pic_offset): New.
981 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
984 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
986 PR tree-optimization/23486
987 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
989 2005-08-23 Phil Edwards <phil@codesourcery.com>
991 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
993 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
995 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
996 configuration files to override the default value.
998 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
999 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1000 * config/vx-common.h: New file, split out from...
1001 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1002 * config/vxworksae.h: New file, for VxWorks AE.
1003 * config/vxworks.opt: New file.
1004 * config/vxlib.c: Update for VxWorks 6.
1006 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1007 other MULTILIB_* variables appropriately.
1008 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1009 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1010 * config/rs6000/vxworks.h: Update for VxWorks 6.
1011 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1013 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1016 * config/darwin.c (machopic_select_section): Remove the hack to
1017 mark "::operator new" and "::operator delete" for coalescing
1018 even though they are not weak.
1020 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1022 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1023 * configure: Regenerate.
1025 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1028 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1030 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1031 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1034 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1036 * config/rs6000/predicates.md (equality_operator): New.
1037 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1038 comparison with a large constant.
1040 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1042 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1044 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1046 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1047 registers is even, and we have a hardware double precision fp,
1049 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1050 size of current argument when checking if argument was passed in
1053 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1056 * stor-layout.c (finalize_type_size): Dont override
1057 existing alignment with a smaller alignment from the mode.
1059 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1061 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1062 * lambda.h (lambda_vector_lexico_pos): ... here.
1063 * tree-data-ref.c (build_classic_dist_vector): Return false when
1064 the distance vector is lexicographically negative.
1066 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1068 PR tree-optimization/23511
1069 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1070 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1072 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1074 PR tree-optimization/22043
1075 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1076 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1077 If ALLOW_FLEXARR, handle types ending with flexible array member.
1078 Pass false as second argument to recursive count_type_elements calls.
1079 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1080 argument to count_type_elements call.
1081 * tree-sra.c (decide_block_copy): Likewise.
1082 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1083 for a constant-sized object, set cleared as well. Pass true as
1084 second argument to count_type_elements call.
1086 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1089 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1090 from legitimate_small_data_p, and make global. Update use.
1091 Remove forward declaration.
1092 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1094 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1096 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1098 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1099 of scratch intermediates.
1100 (eq<mode>_compare): Same.
1101 (neg_eq0<mode>): New.
1102 (neg_eq<mode>): Convert to define_insn_and_split.
1104 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1107 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1108 stdarg functions, set/clear the fp marker even when no variable
1110 * config/rs6000/sysv4.opt (mprototype): Describe.
1112 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1114 PR rtl-optimization/23478
1115 * regs.h (reg_info): Add throw_calls_crossed.
1116 (REG_N_THROWING_CALLS_CROSSED): Define.
1117 * flow.c (allocate_reg_life_data): Initialize
1118 REG_N_THROWING_CALLS_CROSSED.
1119 (propagate_one_insn, attempt_auto_inc): Update
1120 REG_N_THROWING_CALLS_CROSSED.
1121 * global.c (global_alloc): Don't allocate pseudos across
1122 calls that may throw.
1124 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1127 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1128 value is inbetween the range if we did not find an exact match.
1130 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1132 * doc/invoke.texi (Option Summary): Add ms1 options.
1133 * doc/extend.texi: Document interrupt handler attribute for ms1.
1134 * doc/md.texi: Document ms1 constraints.
1135 * config.gcc: Add ms1-*-elf.
1136 * config/ms1/ms1.h: New.
1137 * config/ms1/ms1.c: New.
1138 * config/ms1/ms1.md: New.
1139 * config/ms1/ms1-protos.h: New.
1140 * config/ms1/ABI.txt: New.
1141 * config/ms1/crti.asm: New.
1142 * config/ms1/crtn.asm: New.
1143 * config/ms1/lib2extra-funcs.c: New.
1144 * config/ms1/t-ms1: New.
1145 * config/ms1/ms1.opt: New.
1147 2005-08-22 Ira Rosen <irar@il.ibm.com>
1149 * config/rs6000/altivec.md (xorv4sf3): New.
1150 (negv4sf2, neg<mode>2): Likewise.
1152 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1155 * config/ia64/ia64.md (divsi3): Check divide by zero.
1156 (udivsi3): Likewise.
1158 (udivdi3): Likewise.
1160 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1162 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1163 up to elem_bitsize bits, not max_bitsize.
1165 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1167 PR tree-optimization/23433
1168 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1169 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1171 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1173 PR tree-optimization/23434
1174 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1175 the iteration bound is not an INTEGER_CST.
1177 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1179 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1180 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1181 NULL if need_epilog_adjust is false.
1182 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1183 Case 3 always peels first itration, not just for PLUS case, and no need
1184 to use scalar_initial_def here. Create an epilog adjustment only if
1185 scalar_initial_def is not NULL.
1187 (vectorizable_reduction): Remove assert.
1189 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1192 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1193 (__moddi3): Likewise.
1194 (__udivdi3): Likewise.
1195 (__umoddi3): Likewise.
1196 (__divsi3): Likewise.
1197 (__modsi3): Likewise.
1198 (__udivsi3): Likewise.
1199 (__umodsi3): Likewise.
1201 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1203 * tree-pass.h (TDF_GRAPH): Define.
1204 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1205 * passes.c (finish_optimization_passes): Only call
1206 finish_graph_dump_file if TDF_GRAPH is set.
1207 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1208 NULL. Set TDF_GRAPH bit.
1209 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1211 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1213 * arm.h (arm_stack_offsets): Add locals_base field.
1214 * arm.c (arm_get_frame_offsets): Compute it.
1215 (thumb_compute_initial_elimination offset): Make the Thumb frame
1216 pointer point to the base of the local variables.
1217 (thumb_expand_prologue): Update accordingly.
1218 (thumb_expand_epilogue): Likewise.
1220 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1221 mode of clobbered scratch to DImode. Handle a case that's known to
1224 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1226 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1227 (gt0<mode>_compare): Delete.
1228 (neg_gt0<mode>): Delete.
1230 2005-08-19 Eric Christopher <echristo@apple.com>
1232 * optabs.h: Change CTI_ to COI_.
1235 2005-08-19 James E Wilson <wilson@specifix.com>
1237 * builtins.c (expand_builtin_return_addr): Set
1238 current_function_accesses_prior_frames when count != 0. Use
1239 frame_pointer_rtx when count == 0.
1240 * function.h (struct function): Add accesses_prior_frames field.
1241 (current_function_accesses_prior_frames): Define.
1242 * reload1.c (init_elim_table): Check
1243 current_function_accesses_prior_frames.
1244 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1246 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1248 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1249 indicator. Return true if the flowgraph changed during
1252 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1255 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1256 conditional expression before testing its value.
1258 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1260 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1262 2005-08-19 Devang Patel <dpatel@apple.com>
1264 PR tree-optimization/23048
1265 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1266 third parameter. Check whether latch is dominated by exit
1268 (if_convertible_loop_p): Supply exit block itself to
1269 if_convertible_bb_p.
1271 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1274 * arm.md (arm_load_pic_register): Change argument to the mask of
1275 saved registers. Call thumb_find_work_register if we need a
1276 scratch register on Thumb.
1277 (arm_expand_prologue): Pass empty register set to
1278 arm_load_pic_register.
1279 (thumb_expand_prologue): Pass live_regs_mask directly to
1280 arm_load_pic_register.
1281 * arm-protos.h (arm_load_pic_register): Update prototype.
1283 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1285 * sh.c (find_sole_member): New function.
1286 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1287 if the record's alignment is larger than the size of its only member.
1289 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1292 * arm.c (thumb_legitimize_reload_address): New function.
1293 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1294 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1296 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1298 * config/crx/crx.c: Implement crx_decompose_address. Reject
1299 symbolic displacements since CRX register relative adressing
1300 mode can't handle unsigned 32-bit values as displacements.
1301 * config/crx/crx.h: Simplify definitions, remove redundant
1302 parenthesis and obsolete macros.
1303 * config/crx/crx.opt: Add new switch for debugging addresses.
1304 * config/crx/crx-protos.h: Add new declarations for above.
1306 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1309 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1312 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1314 * collect2.c (dup2): Delete.
1315 * configure.ac: Don't check for dup2.
1317 * config.in, configure: Regenerate.
1319 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1321 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1322 record with the type of its only member.
1324 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1326 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1327 define_insn_and_split.
1328 (plus_ltu<mode>_compare): Same.
1329 (gtu<mode>_compare): Same.
1330 (plus_gtu<mode>_compare): Same.
1332 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1334 PR tree-optimization/22228
1335 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1337 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1338 are recorded in vect_vnames_to_rename for renaming.
1339 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1340 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1341 in vect_vnames_to_rename.
1342 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1343 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1345 2005-08-18 Jan Hubicka <jh@suse.cz>
1348 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1349 info only for local statics, not for member variables.
1351 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1353 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1355 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1357 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1359 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1362 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1364 2005-08-17 James E Wilson <wilson@specifix.com>
1366 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1369 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1371 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1372 (leu<mode>_compare): Same.
1373 (plus_leu<mode>): Same.
1374 (neg_leu<mode>): Same.
1375 (and_neg_leu<mode): Same.
1376 (ltu<mode>_compare): Same.
1377 (plus_ltu<mode>): Same.
1379 (geu<mode>_compare): Same.
1380 (plus_geu<mode>): Same.
1381 (neg_geu<mode>): Same.
1382 (and_neg_geu<mode>): Same.
1383 (plus_gt<mode>): Same.
1384 (gtu<mode>_compare): Same.
1385 (plus_gtu<mode>): Same.
1387 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1389 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1390 Move call_table_data to end. Delete spurious .text.
1391 (callt_save_all_interrupt): Fix comment typo.
1393 2005-08-17 James E Wilson <wilson@specifix.com>
1394 Kevin Winchester <winchester@amirix.com>
1397 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1399 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1402 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1403 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1405 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1407 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1408 record with the type of its only member if the modes don't match.
1410 * varasm.c (decode_reg_name): Skip empty additional register names.
1412 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1414 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1415 lsm_tmp_name_length): New.
1416 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1417 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1419 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1420 Andreas Krebbel <krebbel1@de.ibm.com>
1422 * config.gcc: Added z9-109 switch.
1423 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1424 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1425 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1426 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1427 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1428 for "z9_109" cpu attribute.
1429 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1430 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1431 (s390_handle_arch_option): Added z9-109 switch.
1432 (override_options): Set respective cost function for z9-109.
1433 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1434 (legitimate_reload_constant_p): Accept extended immediates.
1435 (print_operand): Three new output modifiers added: k, m and o.
1436 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1437 (s390_output_mi_thunk): Use extended immediate when possible.
1438 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1439 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1440 (CONSTRAINT_LEN): Added length of O constraint.
1441 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1442 * config/s390/s390.md ("cpu"): New value z9_109 added.
1443 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1444 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1445 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1446 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1447 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1448 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1449 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1450 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1451 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1452 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1453 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1454 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1455 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1456 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1457 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1459 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1460 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1461 insns for TARGET_EXTIMM.
1463 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1465 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1467 2005-08-17 Nick Clifton <nickc@redhat.com>
1469 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1470 Call default_encode_section_info.
1472 2005-08-17 Steven Bosscher <stevenb@suse.de>
1474 PR tree-optimization/21574
1475 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1476 constant, return CONSTANT.
1477 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1478 (ccp_fold, visit_assignment): Likewise.
1479 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1481 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1483 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1484 fold_buildN instead of buildN then fold_initializer or fold.
1485 (build_unary_op): Likewise.
1486 (build_binary_op): Likewise.
1487 * fold-const.c (fold_initializer): Remove.
1488 (fold_build1_initializer): New function.
1489 (fold_build2_initializer): New function.
1490 (fold_build3_initializer): New function.
1491 * tree.h (fold_initializer): Remove.
1492 (fold_build1_initializer): New function.
1493 (fold_build2_initializer): New function.
1494 (fold_build3_initializer): New function.
1496 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1498 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1499 (try_move_mult_to_index): Call fold_build2 instead of build2.
1500 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1501 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1502 fold_binary_to_constant.
1503 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1505 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1506 check if A == gcd (A, B). Remove TYPE argument.
1507 (analyze_offset) Use fold_build2 instead of fold (build.
1508 (create_data_ref): Likewise.
1509 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1510 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1513 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1515 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1516 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1518 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1521 * gimplify.c (zero_sized_type): New function.
1522 (gimplify_modify_expr_rhs): If we have a zero sized type,
1523 replace the statement with an empty statement.
1525 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1527 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1530 2005-08-16 Ian Lance Taylor <ian@airs.com>
1532 * doc/tm.texi (Label Output): Correct typo.
1534 2005-08-16 Steven Bosscher <stevenb@suse.de>
1537 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1538 force_operand will work later on using have_insn_for.
1540 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1544 2005-08-16 Ian Lance Taylor <ian@airs.com>
1547 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1548 vector type, don't try to construct it element by element. Add an
1549 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1551 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1553 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1555 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1557 * doc/invoke.texi (Precompiled Headers): Document some more options
1558 which are known to be safe.
1560 2005-08-16 James E Wilson <wilson@specifix.com>
1562 PR tree-optimization/21105
1563 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1564 TREE_OVERFLOW check.
1566 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1568 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1569 (neg_ltu<mode>): Same.
1571 (neg_gtu<mode>): Same.
1573 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1575 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1576 (fold_builtin_isdigit): Use fold_buildN.
1577 (build_function_call_expr): Likewise.
1578 * c-typeck.c (c_finish_loop): Likewise.
1580 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1581 Richard Shann <rshann@superh.com>
1583 PR middle-end/20396:
1584 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1586 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1588 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1590 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1593 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1594 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1597 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1600 * fold-const.c (build_range_check): Disable optimization for function
1601 pointer expressions on targets that require function pointer
1604 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
1606 * simplify-rtx.c (simplify_const_relational_operation): When
1607 extracting arguments of a COMPARE, recompute the mode as well.
1609 2005-08-15 Ian Lance Taylor <ian@airs.com>
1611 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1613 2005-08-15 DJ Delorie <dj@redhat.com>
1615 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1617 (movsi_splittable): Allow, but split, moves to the stack.
1618 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1621 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1623 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1624 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1625 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1627 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1628 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1629 Delete HOST_PTR_PRINTF.
1631 * configure, config.in: Regenerate.
1633 2005-08-15 David Edelsohn <edelsohn@gnu.org>
1635 * config/rs6000/rs6000.md (QHSI): New mode macro.
1636 (wd): Extend mode attr for QImode and HImode
1637 (dbits): New mode attr.
1638 (zero_extend<mode>di2): Convert to mode macro.
1640 2005-08-15 Steve Ellcey <sje@cup.hp.com>
1643 * doc/invoke.texi (-mgnu-ld): Update description.
1646 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1649 * Makefile.in (tree-chrec.o): Depends on real.h.
1650 * tree-chrec.c: Include real.h.
1651 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1652 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1653 * tree-scalar-evolution.c (add_to_evolution_1,
1654 interpret_rhs_modify_expr): Ditto.
1656 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1659 * tree-data-ref.c (estimate_niter_from_size_of_data): When
1660 step is negative compute the estimation from init downwards to zero.
1662 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
1664 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1666 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1668 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1670 (legitimate_reload_constant_p): Fix handling of lliXX operands.
1671 Accept double-word constants that can be split.
1672 * config/s390/s390.md ("movti"): Use 'P' constraint.
1673 ("*movdi_31", "*movdf_31"): Likewise.
1675 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
1677 Fix PR tree-optimization/22615
1679 * tree-ssa-structalias.c (solution_set_add): Handle
1680 first_vi_for_offset returning NULL.
1681 (do_da_constraint): Ditto.
1682 (do_sd_constraint): Ditto.
1683 (do_ds_constraint): Ditto
1684 (find_func_aliases): Ditto.
1685 (build_constraint_graph): RHS is allowed be ANYTHING.
1686 (first_vi_for_offset): Return NULL if we couldn't find anything at
1689 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1691 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1692 over memory as first operand.
1694 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
1697 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1698 available for setting it.
1700 2005-08-14 Ira Rosen <irar@il.ibm.com>
1702 PR tree-optimization/23320
1703 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1704 data-refs' types instead of base object nullness. Add check for
1705 pointer type data-refs before first location comparison. Remove
1708 2005-08-14 Andreas Schwab <schwab@suse.de>
1710 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1712 2005-08-13 James E Wilson <wilson@specifix.com>
1714 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1715 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1716 -fstack-protector-all, --param ssp-buffer-size): Document.
1717 (-Wvariadic-macros): Alphabetize.
1718 (-fsched-stalled-insns-dep): Add missing 'f'.
1720 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1723 2005-08-13 David Edelsohn <edelsohn@gnu.org>
1725 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1726 or indirect address operand.
1727 (EXTRA_ADDRESS_CONSTRAINT): New.
1728 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1730 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
1732 PR tree-optimization/22236
1733 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1734 successors and predecessors.
1735 * tree-chrec.c (chrec_convert): Before converting, check that
1736 sequences don't wrap.
1737 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1738 (analyze_array): Extern.
1739 (find_data_references_in_loop): Remove call to
1740 compute_estimated_nb_iterations.
1741 * tree-data-ref.h (analyze_array): Declared.
1742 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1743 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1744 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1745 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1747 * tree-ssa-loop-ivcanon.c: Fix documentation.
1748 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1749 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1750 (infer_loop_bounds_from_undefined): New.
1751 (estimate_numbers_of_iterations_loop): Use
1752 infer_loop_bounds_from_undefined.
1753 (used_in_pointer_arithmetic_p): New.
1754 (scev_probably_wraps_p): Pass an extra parameter. Call
1755 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
1756 (convert_step): Fix documentation.
1757 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1758 Use initial_condition_in_loop_num and evolution_part_in_loop_num
1759 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
1760 scev_probably_wraps_p.
1762 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1764 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1765 (s390_register_info): Ignore clobbered_regs information for fixed
1766 registers, and only fixed registers.
1767 (s390_init_frame_layout): Remove redundant call.
1769 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
1771 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1772 description of -Wold-style-casts.
1774 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1775 Jakub Jelinek <jakub@redhat.com>
1777 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1778 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1779 * config/s390/s390.c (print_operand): New output modifier 'G' added.
1780 (get_thread_pointer): Renamed to s390_get_thread_pointer.
1781 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1782 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1783 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1784 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1785 ("stack_protect_set", "stack_protect_test"): New expanders.
1786 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1787 "stack_protect_testdi"): New insn definitions.
1789 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1793 2005-08-12 Paul Brook <paul@codesourcery.com>
1795 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1797 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1799 * config/s390/predicates.md (setmem_operand): New predicate.
1800 (shift_count_operand): Accept ANDs with special constants as
1802 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1803 with special constants.
1804 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1805 shift_count_operand with setmem_operand.
1807 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1809 * config/s390/s390.c (s390_extract_part, s390_single_part):
1811 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1812 (s390_output_mi_thunk): Don't use lg on 31 bit.
1813 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1814 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1816 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1818 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1819 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1820 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1821 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1822 with one of the new macros.
1824 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1826 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1827 Don't set save_return_addr_p.
1828 (s390_register_info): Make clobbered_regs not depending on
1831 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
1833 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1834 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1836 2005-08-11 James E. Wilson <wilson@specifix.com>
1838 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1840 2005-08-11 Jakub Jelinek <jakub@redhat.com>
1842 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1843 locations gathered by var-tracking in single entry loc_list
1844 over loc_descriptor_from_tree.
1846 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1847 pass it down to loc_descriptor.
1848 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1849 (containing_function_has_frame_base): Move earlier in the file.
1850 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1851 instead of always assuming fbreg can't be used.
1853 2005-08-11 David Edelsohn <edelsohn@gnu.org>
1855 * config/rs6000/altivec.md: Change constraint "m" to "Z".
1856 * config/rs6000/predicates.md (indexed_or_indirect_operand):
1857 Accept address wrapped in AND for Altivec.
1858 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1859 Strip AND wrapping offset address for Altivec.
1861 2005-08-11 Richard Henderson <rth@redhat.com>
1864 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1865 before using TYPE_IS_SIZETYPE.
1867 2005-08-11 Richard Henderson <rth@redhat.com>
1870 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1871 insn types not present on ev4.
1872 (alphaev5_insn_pipe): Similarly.
1874 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
1877 * arm.c (arm_override_options): If the user has selected callee-super-
1878 interworking, then enable normal interworking.
1880 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1882 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1885 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
1887 * doc/rtl.texi: Fix two typos.
1889 2005-08-11 Richard Guenther <rguenther@suse.de>
1892 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1893 cases where we call to/from functions returning void.
1895 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
1898 * tree.c (build_pointer_type_for_mode): Robustify.
1900 2005-08-10 James E Wilson <wilson@specifix.com>
1902 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1903 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1905 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1908 2005-08-10 Eric Christopher <echristo@apple.com>
1910 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1911 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1914 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
1917 * config/darwin.c (machopic_indirect_data_reference): Use a new register
1918 for the high part when generating dynamic-no-pic code.
1920 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
1922 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1923 (x86_64-*-linux*): Likewise.
1925 * config/i386/crtfastmath.c: New file.
1926 * config/i386/t-crtfm: Likewise.
1928 * config/i386/linux.h (ENDFILE_SPEC): New.
1929 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1931 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1934 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
1936 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1937 (vec_shl, vec_shr): Document new operations.
1938 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1940 2005-08-10 David Edelsohn <edelsohn@gnu.org>
1942 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1943 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1944 change predicate to indexed_or_indirect_address.
1946 2005-08-10 Richard Sandiford <richard@codesourcery.com>
1948 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1949 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1950 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1951 and __aeabi_uwrite8.
1952 * config/arm/unaligned-funcs.c: New file.
1953 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1955 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
1957 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1959 * cfglayout.c (pass_insn_locators_initialize): Add dump.
1960 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1962 * except.c (pass_convert_to_eh_region_ranges): Add dump.
1963 * final.c (pass_shorten_branches): Add dump.
1964 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1965 (pass_life): Rename dump.
1966 (rest_of_handle_flow2): Remove initial verify_flow_info.
1967 * function.c (pass_instantiate_virtual_regs): Add dump.
1968 * integrate.c (pass_initial_value_sets): Add dump.
1969 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1970 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1971 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1972 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1973 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1974 gate_rtl_unrool_and_peel_loops): New.
1975 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1976 rtl_doloop): Do not look at flags.
1977 * mode-switching.c (pass_mode_switching): Add dump.
1978 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1979 pass_split_before_regstack): Add dump.
1980 * regmove.c (pass_stack_adjustments): Add dump.
1981 * tree-optimize.c (pass_fixup_cfg): Add dump.
1983 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1986 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1987 deciding which instruction sequence to use.
1989 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
1991 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1992 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1994 2005-08-09 Richard Guenther <rguenther@suse.de>
1996 * c-common.c (builtin_function_2): Remove.
1997 (def_builtin_1): New function.
1998 (c_common_nodes_and_builtins): Use def_builtin_1 to
1999 build builtin functions.
2001 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2003 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2004 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2005 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2008 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2010 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2011 fold_binary instead of fold_build2 since we don't care about the
2013 (loop_niter_by_eval): Likewise.
2014 (compare_trees): Likewise.
2015 (proved_non_wrapping_p): Likewise.
2017 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2021 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2022 if the if is really empty.
2024 2005-08-09 Steven Bosscher <stevenb@suse.de>
2026 PR tree-optimization/23234
2027 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2028 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2029 argument of the new enum.
2030 (execute_cse_reciprocals): Add reciprocals for function arguments
2031 on the unique successor edge of the entry block. Update other calls
2032 to execute_cse_reciprocals_1.
2034 2005-08-08 Richard Henderson <rth@redhat.com>
2037 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2039 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2041 * expr.c (write_complex_part): Return after handling MEM.
2043 2005-08-08 Josh Conner <jconner@apple.com>
2045 PR rtl-optimization/23241
2046 * combine.c (simplify_comparison): Fix error in determining
2047 whether to lift a subreg from comparison.
2049 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2052 * config/rs6000/altivec.md (vec_init<mode>): New.
2053 (vec_set<mode>): New.
2054 (vec_extract<mode>): New.
2055 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2056 (rs6000_expand_vector_set): New.
2057 (rs6000_expand_vector_extract): New.
2058 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2059 for Altivec modes before reload.
2060 (altivec_expand_vec_init_builtin): New.
2061 (get_element_number): New.
2062 (altivec_expand_vec_set_builtin): New.
2063 (altivec_expand_vec_ext_builtin): New.
2064 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2066 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2068 * config/rs6000/rs6000.h (rs6000_builtins): Add
2069 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2070 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2071 * config/rs6000/rs6000-protos.h: Declare new functions.
2073 2005-08-08 Jan Hubicka <jh@suse.cz>
2075 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2076 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2077 * i386.md (movdi*): Use pic_32bit_operand.
2078 * predicates.md (pic_32bit_operand): New.
2080 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2083 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2085 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2087 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2088 (test_for_singularity): Use fold_build2.
2090 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2092 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2094 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2096 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2097 (COMMON_ASM_OP) Define.
2098 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2099 (ix86_encode_section_info): Likewise.
2100 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2101 SUBTARGET_ENCODE_SECTION_INFO.
2103 2005-08-06 Richard Henderson <rth@redhat.com>
2106 * tree-nested.c (convert_local_reference): Save and restore val_only
2107 around component_ref and friends. Clear walk_subtrees by default.
2109 2005-08-06 Peter O'Gorman <peter@pogma.com>
2112 * gcc.c (process_command): Check the argument to -b has a dash.
2113 * doc/invoke.texi: Update -b and -V docs.
2115 2005-08-06 James E Wilson <wilson@specifix.com>
2117 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2119 2005-08-06 Michael Matz <matz@suse.de>
2121 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2122 member only if only one insn is associated with the value.
2124 2005-08-06 Nick Clifton <nickc@redhat.com>
2126 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2128 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2129 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2130 Check symbol flags instead of symbol name mangling.
2131 (xstormy16_asm_output_aligned_common): Likewise. Also
2132 simplify code since the bss100_section cass is the only case
2133 where the below100 code will be triggered.
2134 (xstormy16_encode_section_info): Encode below100 attribute
2135 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2137 (xstormy16_strip_name_encoding): Delete - this function is no
2139 (TARGET_STRIP_NAME_ENCODING): Undefine.
2140 * config/stormy16/stormy16-protos.h: Delete prototype for
2141 xstormy16_strip_name_encoding.
2143 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2145 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2146 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2147 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2148 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2149 config/alpha/predicates.md, config/arc/arc.h,
2150 config/arm/arm.h, config/arm/ieee754-df.S,
2151 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2152 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2153 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2154 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2155 config/m68hc11/m68hc11.h, config/mips/mips.c,
2156 config/mips/mips.h, config/mips/openbsd.h,
2157 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2158 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2159 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2160 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2161 config/sparc/linux.h, config/sparc/linux64.h,
2162 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2163 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2164 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2165 typos. Follow spelling conventions.
2167 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2170 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2171 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2172 specially. Check for side effects only for COND_EXPR.
2173 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2174 return with TREE_NO_WARNING.
2176 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2178 PR rtl-optimization/23233
2179 * loop.c (combine_movables): Require the modes to be the same.
2180 (move_movables): Remove handling of cases where the replacement
2181 had a different mode to the original.
2183 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2185 PR tree-optimization/23128
2186 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2187 subtraction wrap, and set TREE_OVERFLOW if they do.
2189 2005-08-05 Richard Henderson <rth@redhat.com>
2192 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2193 FORCED_LABEL labels.
2195 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2198 * reload.c (find_reloads_subreg_address): Pass down TYPE
2199 unchanged. Change all callers except find_reloads_toplev.
2201 2005-08-05 Michael Matz <matz@suse.de>
2203 * genattrtab.c (current_alternative_string): Remove.
2204 (SIMPLIFY_ALTERNATIVE): Ditto.
2205 (attr_alt_bit_p): Ditto.
2206 (alternative_name): Make const char *.
2207 (evaluate_eq_attr): Remove use of above things.
2208 (simplify_test_exp): Ditto.
2209 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2210 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2212 2005-08-04 James E Wilson <wilson@specifix.com>
2214 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2215 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2216 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2217 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2218 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2220 2005-08-04 Richard Henderson <rth@redhat.com>
2223 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2224 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2225 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2226 if we'd have to instantiate too many members.
2228 2005-08-04 Richard Henderson <rth@redhat.com>
2231 * tree-outof-ssa.c (coalesce_asm_operands): New.
2232 (coalesce_ssa_name): Use it. Split out ...
2233 (coalesce_phi_operands, coalesce_result_decls): ... these.
2235 2005-08-04 Paul Brook <paul@codesourcery.com>
2237 * read-rtl.c (read_quoted_string): Break if EOF.
2239 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2241 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2242 (fold_build2): Likewise.
2243 (fold_build3): Likewise.
2244 (fold_build1_stat): New function prototype.
2245 (fold_build2_stat): Likewise.
2246 (fold_build3_stat): Likewise.
2247 * fold-const.c (fold_build1): Rename to ..
2248 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2249 through to build1_stat.
2250 (fold_build2): Rename to ..
2251 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2252 through to build2_stat.
2253 (fold_build3): Rename to ..
2254 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2255 through to build3_stat.
2257 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2258 Ian Lance Taylor <ian@airs.com>
2260 * function.c (assign_stack_local_1): Do not correct stack slot
2261 address if allocation size is smaller than mode size.
2263 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2266 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2267 (tree_merge_blocks): Propagate anything allowed by
2269 Clarify documentation.
2270 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2271 SSA form, schedule an update if necessary.
2273 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2275 * doc/install.texi (Binaries): Remove broken link to
2276 Sinix/Reliant Unix binaries.
2278 2005-08-03 Richard Henderson <rth@redhat.com>
2281 * function.c (stack_protect_epilogue): Export.
2282 * tree.h (stack_protect_epilogue): Declare.
2283 * calls.c (expand_call): Call it.
2285 2005-08-03 Eric Christopher <echristo@apple.com>
2287 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2288 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2291 2005-08-04 Jan Hubicka <jh@suse.cz>
2293 * profile.c (branch_prob): Split edges with goto locus on them
2294 to get proper line counts.
2295 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2297 2005-08-03 Paul Brook <paul@codesourcery.com>
2299 * function.c (assign_parms): Round current_function_args_size
2300 to PARM_BOUNDARY, not STACK_BOUNDARY.
2302 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2304 * config/i386/i386.c (x86_elf_aligned_common)
2305 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2307 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR tree-optimization/23157
2310 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2311 before emitting them.
2313 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2315 PR tree-optimization/19899
2316 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2317 * tree-scalar-evolution.c: Include real.h.
2318 (add_to_evolution): Build constant -1 of correct type.
2320 2005-08-03 Jan Hubicka <jh@suse.cz>
2322 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2323 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2324 profile updating for complette unrolling.
2325 * loop-unroll.c (peel_loop_completely): Use it.
2326 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2327 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2330 2005-08-03 Paul Brook <paul@codesourcery.com>
2332 * combine.c (can_change_dest_mode): New function.
2333 (try_combine, simplify_set): Use it.
2335 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2337 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2340 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2342 * doc/install.texi (Specific): Adjust link to openavr.org.
2343 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2344 (Binaries): Adjust HP-UX Porting Center link.
2345 (Binaries): Adjust Free Software Foundation ordering link.
2347 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2349 * convert.c (convert_to_integer): Use fold_build1 instead of
2350 build1 when converting an integer to an integer.
2352 2005-08-02 Richard Henderson <rth@redhat.com>
2354 * combine.c (combine_instructions): Don't use reg_equal/equiv
2355 results if the mode doesn't match.
2357 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2359 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2360 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2362 2005-08-02 Richard Henderson <rth@redhat.com>
2365 * explow.c (memory_address): Remove special-case for
2366 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2368 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2371 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2372 number of calls to cleanup_tree_cfg_1.
2374 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2376 * doc/invoke.texi: document file extensions .F90 and .F95
2378 2005-08-02 Richard Guenther <rguenther@suse.de>
2380 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2381 positive if its first argument is positive.
2383 2005-08-02 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/23177
2386 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2389 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2391 PR tree-optimization/23129
2392 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2393 varying for divisions with anti-ranges.
2395 2005-08-02 Jan Hubicka <jh@suse.cz>
2397 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2398 * tree-ssa-threadupdate.c (thread_block): Add it here.
2400 2005-08-01 James E Wilson <wilson@specifix.com>
2402 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2403 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2404 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2406 * config/mips/predicates.md (const_call_insn_operand): Add check for
2407 SYMBOL_REF_LONG_CALL_P.
2408 * doc/extend.texi (long_call): Document the new attribute.
2410 2005-08-01 Ian Lance Taylor <ian@airs.com>
2411 Richard Henderson <rth@redhat.com>
2413 * Makefile.in (RTL_BASE_H): Add real.h.
2414 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2416 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2418 * rtl.c (rtl_check_failed_code_mode): New.
2419 * rtl.h (struct rtx_def): Add u.rv.
2420 (XCMWINT, XCNMPRV): New.
2421 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2422 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2424 2005-08-01 Richard Henderson <rth@redhat.com>
2426 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2427 with auto-inc codes.
2429 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2431 2005-08-01 Jan Hubicka <jh@suse.cz>
2433 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2434 * i386.c: Include dwarf2.h
2435 (asm_preferred_eh_data_format): New.
2436 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2438 2005-08-01 Ian Lance Taylor <ian@airs.com>
2440 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2441 randomize_va_space for virtual address randomization control.
2443 2005-08-01 Steven Bosscher <stevenb@suse.de>
2445 * common.opt (flag_ipa_cp): Put in right place to maintain
2448 2005-08-01 Jan Hubicka <jh@suse.cz>
2450 * profile.c (compute_value_histograms): Fix thinko.
2451 * value-prof.c: Include toplev.h
2452 (check_counter): New function.
2453 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2454 tree_mod_subtract_transform): Add sanity check.
2456 2005-08-01 Richard Guenther <rguenther@suse.de>
2458 PR tree-optimization/23133
2459 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2460 current functions parameter decls to find defs to cse
2463 2005-08-01 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/23109
2466 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2467 If trapping math is in effect, use post-dominator information
2468 to check if we'd in any case reach a trapping point before
2469 doing the reciprocal insertion.
2470 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2471 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2472 expressions are invariant only if trapping math is not in effect.
2474 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2476 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2477 cgraph_function_versioning): New declarations.
2478 * cgraphunit.c: Add include to ipa-prop.h.
2479 (update_call_expr, cgraph_copy_node_for_versioning,
2480 cgraph_function_versioning): New functions.
2481 * integrate.c (copy_decl_for_inlining): Remove.
2482 * ipa-prop.h (ipa_replace_map): New struct.
2483 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2484 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2485 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2486 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2487 ipcp_iterate_stage, ipcp_method_scale_print,
2488 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2489 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2490 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2491 ipcp_update_bb_counts, ipcp_update_profiling,
2492 ipcp_update_edges_counts): New functions.
2493 (ipcp_method_cval_init): Remove restriction regarding local methods.
2494 (ipcp_init_stage): Add ipcp_method_compute_scale.
2495 (ipcp_insert_stage): Add versioning.
2496 (ipcp_structures_print): Add ipcp_method_scale_print.
2497 (ipcp_driver): Dump profiling info.
2498 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2499 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2500 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2501 (struct inline_data): Add versioning_p, ipa_info, new fields.
2502 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2503 declare_return_variable): Replace calls to copy_decl_for_inlining with
2505 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2507 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2508 Add argument VERSIONING.
2509 (copy_arguments_for_versioning, copy_static_chain,
2510 function_versionable_p, tree_versionable_function_p,
2511 tree_function_versioning, replace_ref_tree): New functions.
2512 * tree-inline.h: Include varray.h.
2513 (tree_versionable_function_p, tree_function_versioning,
2514 tree copy_decl_for_dup): New declarations.
2516 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2518 * ipa-cp.c: New file. Contains IPCP specific functionality.
2519 * ipa-prop.h: New file. Contains structures/definitions that can be
2520 used by several interprocedural data flow optimizations (and also IPCP).
2521 * ipa-prop.c: New file.
2522 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2523 * common.opt: Add ipa-cp flag.
2524 * timevar.def: Add IPCP optimization.
2525 * tree-optimize.c (init_tree_optimization_passes): Schedule
2527 * tree-pass.h (pass_ipa_cp): Declare.
2529 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2531 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2532 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2533 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2534 config/i386/i386.c, config/mips/mips.h,
2535 config/rs6000/rs6000.h, config/sh/sh.c,
2536 config/stormy16/stormy16.c: Fix comment typos.
2538 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2541 * c-typeck.c (build_binary_op): Use common_type wrapper on
2543 (common_type): Update comment.
2545 2005-07-31 Steven Bosscher <stevenb@suse.de>
2548 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2549 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2550 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2552 2005-07-31 Jan Hubicka <jh@suse.cz>
2554 * pretty-print.h (pp_widest_integer): New macro.
2555 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2558 2005-07-31 Jan Hubicka <jh@suse.cz>
2560 * output.h (enum section_category): Export from varasm.c
2561 (categorize_decl_for_section): Likewise.
2562 * varasm.c (enum section_category): Kill.
2563 (categorize_decl_for_section): Make global.
2564 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2566 * i386.c (ix86_section_threshold): New static variable.
2567 (ix86_in_large_data_p, ix86_encode_section_info,
2568 x86_64_elf_unique_section,
2569 x86_64_elf_select_section): New functions.
2570 (TARGET_ENCODE_SECTION_INFO): Define
2571 (override_options): Enable medium model for PIC.
2572 (ix86_expand_prologue): Expand gen_set_got_rex64.
2573 (legitimate_constant_p): Handle new UNSPECs.
2574 (legitimate_pic_address_disp_p): Likewise.
2575 (legitimize_pic_address): Lower MEDIUM model addressing.
2576 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2577 (enum cmodel): Add MEDIUM_PIC.
2578 (SYMBOL_REF_FAR_ADDR_P): New macro.
2579 (SYMBOL_FLAG_FAR_ADDR): New flag.
2580 * i386.md (movdi): Support medium model.
2581 (set_got_rex64): New pattern.
2582 * i386.opt (mlarge-data-threshold): New flag.
2583 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2584 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2585 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2586 TARGET_ASM_UNIQUE_SECTION): New.
2588 * invoke.texi (-mlarge_data_threshold): Document
2590 2005-07-31 Jan Hubicka <jh@suse.cz>
2592 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2593 (coalesce_vars): Likewise.
2594 * tree-ssa-live.c (coalesce_cost): New.
2595 (build_tree_conflict_graph): Use coalesce_cost.
2596 * tree-ssa-live.h (coalesce_cost): Declare.
2598 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
2600 * arm.md (all peepholes for post-increment operations): Delete.
2601 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2602 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2603 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2604 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2605 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2607 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
2609 * fold-const.c (tree_expr_nonnegative_p): Always return true for
2612 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
2615 * doc/invoke.texi: Document -rdynamic.
2617 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
2620 * c-parser.c (c_parser_parms_list_declarator): Call
2621 mark_forward_parm_decls.
2622 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2623 decls with visibility structure.
2625 2005-07-30 Paul Brook <paul@codesourcery.com>
2627 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2629 2005-07-30 Paul Brook <paul@codesourcery.com>
2631 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2633 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2635 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2637 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2640 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2641 nested function declarators.
2642 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2643 (grokparms): Call warn_if_shadowing for parameters used within the
2645 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2646 not used within the parameter list.
2647 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2649 2005-07-30 Jan Hubicka <jh@suse.cz>
2651 * expr.c (expand_expr_real_1): Do not load mem targets into register.
2652 * i386.c (ix86_fixup_binary_operands): Likewise.
2653 (ix86_expand_unary_operator): Likewise.
2654 (ix86_expand_fp_absneg_operator): Likewise.
2655 * optabs.c (expand_vec_cond_expr): Validate dest.
2657 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2660 * real.c (real_from_string): Also set last bit if there is a
2661 nonzero hex digit beyond GCC's internal precision after ".".
2663 2005-07-29 David Edelsohn <edelsohn@gnu.org>
2665 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2666 define_constants. Change duplicate values to unassigned numbers.
2667 Change UNSPEC_SUBS to UNSPEC_VSUBS.
2668 (*altivec_vspltsf): New.
2669 (altivec_vperm_v4sf): Delete.
2670 (altivec_vperm_<mode>): Use mode macro V.
2671 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2672 (altivec_predicate_v4sf): Delete.
2673 (altivec_predicate_<mode>): Use mode macro V.
2674 (*altivec_lvesfx): New.
2675 (*altivec_stvesfx): New.
2676 (vec_realign_load_v4sf): Delete.
2677 (vec_realign_load_<mode>): Use mode macro V.
2678 * config/rs6000/rs6000.c (generate_set_vrsave): Use
2681 2005-07-29 Mark Mitchell <mark@codesourcery.com>
2684 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2686 * configure: Regenerated.
2688 2005-07-29 Paul Brook <paul@codesourcery.com>
2690 * doc/install.texi: Add link to GFortran binaries wiki page.
2692 2005-07-29 David Ung <davidu@mips.com>
2694 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2695 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2696 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2697 * config/mips/mips.md (cpu): Add 5kf name.
2698 (includes): Includes 5k.md.
2699 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2700 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2703 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2706 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2707 (cleanup_tree_cfg): ... here.
2708 Call cleanup_tree_cfg_1 until there are no more cleanups to
2711 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
2713 * tree-vrp.c (compare_range_with_value): Return true or false
2714 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2715 EQ_EXPR respectively.
2717 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
2719 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2722 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2724 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2725 (tree_ssa_dominator_optimize): Increment it.
2726 (dump_dominator_optimization_stats): Print it.
2728 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
2729 Steven Bosscher <stevenb@suse.de>
2731 PR rtl-optimization/23117
2732 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2733 when head == tail. Tidy comment.
2735 2005-07-28 Richard Henderson <rth@redhat.com>
2737 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2738 * cselib.c (rtx_equal_for_cselib_p): Likewise.
2739 * jump.c (rtx_renumbered_equal_p): Likewise.
2740 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2741 CONST_INT and CONST_DOUBLE.
2742 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2743 * reload.c (operands_match_p): Special case CONST_INT and
2744 CONST_DOUBLE; check mode earlier.
2746 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2749 * c-typeck.c (convert_for_assignment): Do not check
2750 DECL_IN_SYSTEM_HEADER on NULL fundecl.
2752 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2755 * c-typeck.c (composite_type): Prefer constant size arrays to
2758 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2761 * real.c (real_from_string): Set last bit if there is a nonzero
2762 hex digit beyond GCC's internal precision.
2764 2005-07-28 Richard Henderson <rth@redhat.com>
2767 * cfgcleanup.c (try_forward_edges): Watch out for end of
2770 2005-07-28 James E Wilson <wilson@specifixinc.com>
2773 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2775 2005-07-28 Jan Hubicka <jh@suse.cz>
2777 * Makefile.in (rtl-profile.o): Kill all traces of it.
2778 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2779 * coverage.h (rtl_coverage_counter_ref): Kill.
2780 * opts.c (flag_speculative_prefetching_set): Kill.
2781 (flag_loop_optimize_set): New.
2782 (common_handle_option): Disable loop optimizer when profiling;
2783 do not handle speculative prefetching.
2784 * passes.c (init_optimization_passes): Replace pass_profiling combo
2785 by branch_prob pass.
2786 * profile.c (compute_value_histograms): Update for simplified value
2788 (rtl_register_profile_hooks): Kill.
2789 (pass_profiling): Kill.
2790 (rest_of_handle_branch_prob): Do not profile.
2791 * toplev.c (process_options): Remove speculative prefetching.
2792 * toplev.h (flag_tree_based_profiling): Kill.
2793 * tree-profile.c (prepare_instrumented_value,
2794 tree_gen_interval_profiler, tree_gen_pow2_profiler,
2795 tree_gen_one_value_profiler, do_tree_profiling): Update for
2796 simplified datastructures.
2797 * value-prof.c: Add comment that speculative prefetching was dropped;
2798 update rest of file for simplified datastructures.
2799 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2800 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2801 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2802 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2803 rtl_mod_subtract, gen_speculative_prefetch,
2804 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2805 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2806 (gate_handle_value_profile_transformations,
2807 rest_of_handle_value_profile_transformations,
2808 pass_value_profile_transformations): Kill.
2809 * value-prof.h (histogram_value_t): Remove IL based unions.
2810 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2811 rtl_profile_hooks): Remove hooks.
2813 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2815 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2816 (cgraph_clone_node): Likewise.
2817 * cgraph.h (cgraph_clone_edge): Update prototype.
2818 (cgraph_clone_node): Likewise.
2819 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2821 (lookup_recursive_calls): Consider profile.
2822 (cgraph_decide_recursive_inlining): Fix updating; use new
2823 probability argument; use profile.
2824 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2825 * tree-inline.c (copy_bb): Update clal of clone_edge.
2826 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2828 * invoke.texi (min-inline-recursive-probability): Document.
2830 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
2832 * doc/install.texi (Configuration): Update Valgrind homepage.
2834 2005-07-28 Richard Henderson <rth@redhat.com>
2837 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2838 labels we want to delete.
2839 (cfg_layout_merge_blocks): Likewise.
2841 2005-07-28 Richard Henderson <rth@redhat.com>
2844 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2845 when expanding to nothing.
2847 2005-07-28 Josh Conner <jconner@apple.com>
2849 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2850 (cgraph_decide_inlining_of_small_functions): Likewise.
2852 2005-07-28 Josh Conner <jconner@apple.com>
2854 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
2855 direction of badness if negative.
2856 (cgraph_default_inline_p): Add reason to parameters, and assign it
2858 (cgraph_decide_inlining_of_small_functions): New parameter in call
2859 to cgraph_default_inline_p.
2860 (cgraph_decide_inlining_incrementally): Likewise.
2861 * cgraphunit.c (decide_is_function_needed): Likewise.
2862 * cgraph.h (cgraph_default_inline_p): Likewise.
2864 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2866 * builtins.c: Fix comment typo(s).
2867 * genautomata.c: Likewise.
2868 * gimplify.c: Likewise.
2869 * tree-dfa.c: Likewise.
2870 * tree-flow-inline.h: Likewise.
2871 * tree-into-ssa.c: Likewise.
2872 * tree-ssa-alias.c: Likewise.
2873 * tree-ssa-ccp.c: Likewise.
2874 * tree-ssa-copy.c: Likewise.
2875 * tree-ssa-dce.c: Likewise.
2876 * tree-ssa-dom.c: Likewise.
2877 * tree-ssa-operands.c: Likewise.
2878 * tree-tailcall.c: Likewise.
2879 * tree-vectorizer.c: Likewise.
2880 * tree-vrp.c: Likewise.
2883 2005-07-28 Jeff Law <law@redhat.com>
2885 * tree-vrp.c (test_for_singularity): Extracted from ...
2886 (simplify_cond_using_ranges): Attempt to simplify a relational
2887 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
2889 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
2891 PR tree-optimization/22506
2892 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2893 phis whose argument is constant.
2895 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
2897 PR rtl-optimization/18992
2898 Back out this patch:
2899 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2900 PR optimization/12142
2901 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2902 uses of the register in the SET_SRC. Remove unnecessary argument.
2904 Replace it with this:
2905 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2906 if flag_non_call_exceptions is set and the insn may trap, pass
2907 pc_rtx as dest for recursion.
2908 In SET_SRC part of SET case, if dest is already set, pass it down
2911 2005-07-28 Jan Hubicka <jh@suse.cz>
2913 * cfg.c (update_bb_profile_for_threading): Use RDIV.
2914 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2915 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2917 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2918 profile when available.
2920 2005-07-28 Jan Beulich <jbeulich@novell.com>
2922 * config/ia64/ia64.c (ia64_load_pair_ok): New.
2923 (ia64_print_operand): Describe and handle 'X'.
2924 (ia64_register_move_cost): Also handle FP_REGS.
2925 (ia64_preferred_reload_class): Likewise.
2926 (ia64_secondary_reload_class): Likewise.
2927 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2928 it. Also check for ITANIUM_CLASS_FLDP.
2929 * config/ia64/ia64.h (FP_REGNO_P): New.
2930 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2931 (reg_class): Add FP_REGS.
2932 (REG_CLASS_NAMES): Adjust for it.
2933 (REG_CLASS_CONTENTS): Likewise.
2934 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2935 (REG_CLASS_FROM_LETTER): Handle 'x'.
2936 (CLASS_MAX_NREGS): Handle FP_REGS.
2937 (MEMORY_MOVE_COST): Likewise.
2938 * config/ia64/ia64.md (itanium_class): Add fldp.
2939 (type): Handle fldp.
2940 (movti_internal): More allowable operand combinations. Use ldfp8 when
2941 splitting unnecessary. Remove predicable attribute. Adjust
2942 itanium_class attribute.
2943 (smuldi3_highpart): Remove outdated comment.
2944 (mulditi3, umulditi3, rotlti3): New expanders.
2945 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2946 (absti2): Disabled new insn for future reference.
2947 Respective new splitters.
2948 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2949 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2950 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2952 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
2954 PR rtl-optimization/23047
2955 * simplify-rtx.c (simplify_const_relational_operation): Respect
2956 flag_wrapv for comparisons with ABS.
2958 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
2960 PR tree-optimization/22493
2961 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2962 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2964 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
2966 * config/frv/frv.opt (moptimize-membar): New.
2968 * doc/invoke.texi: Document -moptimize-membar and its inverse.
2970 * config/frv/frv.h: Remove machine_function definition.
2972 * config/frv/frv.c (struct frv_io): New.
2973 (struct machine_function): Moved from frv.h. Add has_membar_p.
2974 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2975 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2976 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2977 (frv_optimize_membar_global, frv_optimize_membar): New functions.
2978 (frv_reorg): Call frv_optimize_membar when appropriate.
2979 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2980 (frv_expand_builtin): Adjust calls accordingly.
2981 (frv_io_address_cookie): New function.
2982 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2983 load or store rather than a special insn. Add ccnstant address and
2984 io-type operands to the membar.
2985 (frv_ifcvt_modify_tests): Unsign regno.
2986 (frv_ifcvt_modify_tests): Same.
2988 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
2989 UNSPEC_OPTIONAL_MEMBAR constant.
2990 (builtin_read_<mode>): Delete.
2991 (builtin_write_<mode>): Delete.
2992 ("optional_membar_<mode>"): Add operand.
2994 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2995 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2996 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2997 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2998 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2999 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3000 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3001 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3002 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3004 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3006 * df.c (df_uses_record): Handle SCRATCH.
3008 2005-07-28 Steven Bosscher <stevenb@suse.de>
3011 * passes.c (rest_of_decl_compilation): If decl is a type and
3012 we have encountered errors, don't emit debug information.
3014 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3016 * params.def: Fixed comment.
3018 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3021 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3022 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3023 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3025 2005-07-27 Steven Bosscher <stevenb@suse.de>
3028 * varasm.c (assemble_start_function): Don't do anything that may
3029 require a CFG if the current function is a thunk.
3031 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3033 * doc/install.texi (Prerequisites): Mention that perl is needed
3034 to do export control in libstdc++ targetting Darwin.
3036 2005-07-27 Steven Bosscher <stevenb@suse.de>
3038 PR rtl-optimization/17808
3039 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3040 (sched_insns_conditions_mutex_p): Split out from...
3041 (add_dependence): ...here. But don't call it from here.
3042 (add_dependence_list): Check sched_insns_conditions_mutex_p
3043 before calling add_dependence.
3044 (add_dependence_list_and_free): Likewise.
3045 (fixup_sched_groups): Likewise.
3046 (sched_analyze_1): Likewise.
3047 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3048 (sched_analyze): Likewise.
3049 (sched_analyze_insn): Likewise.
3050 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3051 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3052 dependencies on all COND_EXEC insns to jumps ending basic blocks
3053 when doing intrablock scheduling.
3054 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3056 2005-07-27 Jeff Law <law@redhat.com>
3058 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3059 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3060 equivalency sets, correctly handle the case were vr0 has an
3061 equivalency set, but vr1 does not.
3063 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3065 PR tree-optimization/23073
3066 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3067 vect_print_dump_info before fprintf.
3069 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3071 PR tree-optimize/22348
3072 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3073 Fold the partial computation.
3075 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3077 PR tree-optimization/22325
3078 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3080 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3082 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3083 (force_var_cost): ... this function.
3084 (compute_phi_arg_on_exit): Export.
3086 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3088 PR tree-optimization/20773
3089 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3092 2005-07-27 Richard Guenther <rguenther@suse.de>
3094 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3095 Avoid pushing again if current struct contains only
3096 fields we decomposed.
3098 2005-07-27 Jan Hubicka <jh@suse.cz>
3100 PR tree-optimization/22574
3101 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3104 * tree-tailcall.c (decrease_profile): New function.
3105 (eliminate_tail_call): Use it.
3107 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3108 visibility flags correctly in whole program mode.
3110 2005-07-26 Steve Ellcey <sje@cup.hp.com>
3112 PR rtl-optimization/22472
3113 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3115 2005-07-26 Steven Bosscher <stevenb@suse.de>
3117 PR tree-optimization/22504
3118 * tree-complex.c (expand_complex_addition): Use 'code' instead
3119 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3121 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3123 * config.gcc (cpu_type): Add frv case.
3124 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3125 (supported_defaults): Add fr550 case.
3127 2005-07-26 Diego Novillo <dnovillo@redhat.com>
3130 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3131 whether a pointer of type T * may point to objects of type T *.
3133 2005-07-26 DJ Delorie <dj@redhat.com>
3135 * configure: Regenerate.
3137 2005-07-26 Dale Johannesen <dalej@apple.com>
3139 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3141 2005-07-26 Mark Mitchell <mark@codesourcery.com>
3143 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3144 Clarify use of "build" in name.
3146 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3148 * doc/extend.texi (Raw read/write Functions): New section.
3149 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3150 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3151 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3152 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3153 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3154 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3155 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3156 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3157 * config/frv/frv.c: Add bdesc_loads global.
3158 Add bdesc_stores global.
3159 (frv_init_builtins): Add support for __builtin_{read/write}*.
3160 (frv_volatile_memref): New.
3161 (frv_expand_load_builtin): New.
3162 (frv_expand_store_builtin): New.
3163 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3164 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3165 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3166 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3167 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3168 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3169 (builtin_read_<mode>): New.
3170 (builtin_write_<mode>): New.
3171 (builtin_write64): New.
3172 (optional_membar_<mode>): New.
3174 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3176 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3177 (rather than units) against HOST_BITS_PER_WIDE_INT.
3179 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
3181 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3182 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3183 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3184 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3187 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3188 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3189 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3191 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3193 2005-07-26 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/22486
3196 * fold-const.c (fold_unary): Fold away useless component
3197 references of the form (T *)&T.x, if the address
3200 2005-07-25 James E Wilson <wilson@specifixinc.com>
3202 * dwarf2out.c (add_call_src_coords_attributes): New.
3203 (gen_inlined_subroutine_die): Call it.
3204 (maybe_emit_file, init_file_table): Add comments.
3205 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3207 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3208 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3209 * tree.h (BLOCK_SOURCE_LOCATION): New.
3210 (struct tree_block): New field locus.
3212 2005-07-26 Andreas Schwab <schwab@suse.de>
3214 PR rtl-optimization/23043
3215 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3216 when allocating a struct unoccr.
3218 2005-07-25 Richard Henderson <rth@redhat.com>
3221 * tree-complex.c (gate_no_optimization): True if errors.
3222 * Makefile.in (tree-complex.o): Update dependencies.
3224 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
3226 * config/frv/predicates.md (integer_register_operand): Use
3229 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3232 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3234 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3236 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3238 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3239 types when flag_unsafe_math_optimizations is true.
3241 2005-07-25 Mark Mitchell <mark@codesourcery.com>
3243 * gcc.c (option_map): Add --sysroot.
3244 (process_command): Handle --sysroot.
3245 (display_help): Document it.
3246 * doc/cppopts.tex (-isysroot): Document.
3247 * doc/invoke.texi (--sysroot): Document.
3248 * doc/install.texi (--with-build-sysroot): Document.
3250 * Makefile.in (inhibit_libc): New variable.
3251 (INHIBIT_LIBC_CFLAGS): Likewise.
3252 (LIBGCC2_CFLAGS): Include
3253 $(INHIBIT_LIBC_CFLAGS).
3254 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3255 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3256 ($(T)crtend.o): Likewise.
3257 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3258 ($(T)crtendS.o): Likewise.
3259 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3260 ($(T)crtendT.o): Likewise.
3261 (stmp-fixinc): Do not complain about missing headers if
3263 * configure.ac (inhibit_libc): Set it to true/false.
3264 (--with-build-sysroot): New option. Use it to set
3266 * configure: Regenerated.
3268 2005-07-25 Manfred Hollstein <mh@suse.com>
3270 * calls.c (store_one_arg): Fix unsigned comparison warning.
3272 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3275 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3276 (ggc_print_statistics): Initialize variable before use.
3278 2005-07-25 Richard Guenther <rguenther@suse.de>
3280 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3281 calling with a PHI_NODE argument.
3283 * tree-flow-inline.h (overlap_subvar): Protect against
3286 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
3288 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3289 * configure: Regenerate.
3291 2005-07-25 Ira Rosen <irar@il.ibm.com>
3293 * expr.c (highest_pow2_factor): Make extern.
3294 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3295 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3296 record_array_differ_p, array_ptr_differ_p): Likewise.
3297 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3298 additional cases. Call the above functions.
3299 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3300 base_object_differ_p when there are two base objects. Otherwise, compare
3301 base address and offset. Call may_alias_p.
3302 (dump_data_reference): Use a correct field name.
3303 (analyze_array): Make static. Initialize new data-ref fields.
3304 (analyze_indirect_ref): New function.
3305 (init_data_ref): Initialize new data-ref fields.
3306 (strip_conversion): Moved from tree-vect-analyze.c.
3307 (analyze_offset_expr, get_ptr_offset, address_analysis,
3308 object_analysis): Likewise.
3309 (analyze_offset): New function.
3310 (create_data_ref): Likewise.
3311 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3312 dimensions for ARRAY_REFs only.
3313 (build_classic_dist_vector): Make static.
3314 (access_functions_are_affine_or_constant_p): Call macro to get the
3315 address of access functions.
3316 (compute_all_dependences): Add new parameter
3317 compute_self_and_read_read_dependences. Compute self and read-read
3318 dependences if it is true.
3319 (find_data_references_in_loop): Call create_data_ref. Initialize new
3321 (compute_data_dependences_for_loop): Add new parameter
3322 compute_self_and_read_read_dependences. Remove parameter nb_loops,
3323 compute nb_loops. Call compute_all_dependences,
3324 build_classic_dist_vector and build_classic_dir_vector with correct
3326 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3327 with correct parameters. Compare dimensions for ARRAY_REFs only.
3328 (free_data_refs): Call macro to free access functions.
3329 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3330 fields from stmt_vinfo.
3331 (struct base_object_info): New structure.
3332 (struct data_reference): Move fields to base_object_info. Add fields
3333 first_location and object_info for above structures. Move fields from
3334 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3335 aligned_to. Add macros to access the new fields.
3336 Update functions declarations.
3337 * tree-flow.h (is_aliased_with): Declare.
3338 * tree-loop-linear.c (linear_transform_loops): Call
3339 compute_data_dependences_for_loop with correct parameters.
3340 * tree-ssa-alias.c (is_aliased_with): New function.
3341 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3342 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3343 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3344 vect_base_addr_differ_p, compute_subscript_distance and
3345 build_classic_dist_vector. Add printings. Check absolute value of
3347 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3349 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3350 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3351 to bytes. Add printing.
3352 (vect_compute_data_refs_alignment): Go through loads and stores in one
3354 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3355 vect_analyze_data_ref_access): Likewise.
3356 (vect_analyze_pointer_ref_access): Remove.
3357 (vect_address_analysis, vect_object_analysis): Likewise.
3358 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3359 and analyze data-refs in the loop.
3360 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3361 fields of data-ref instead of stmt. Add init to the offset from the
3363 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3364 (vect_update_init_of_dr): Likewise.
3365 (vect_update_inits_of_drs): Go through loads and stores in one loop.
3366 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3368 (new_loop_vec_info): Initialize new fields.
3369 (destroy_loop_vec_info): Free new fields.
3370 (vect_strip_conversion): Remove.
3371 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3372 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3373 datarefs. Add new field ddrs.
3374 Add macros for the new fields access.
3375 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3376 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3377 Remove their macros.
3378 * tree.h (highest_pow2_factor): Declare.
3380 2005-07-25 Jakub Jelinek <jakub@redhat.com>
3382 * calls.c (store_one_arg): Check for sibling call MEM arguments
3383 from already clobbered incoming argument area.
3385 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3387 * c-common.c (check_missing_format_attribute): New.
3388 * c-common.h (check_missing_format_attribute): Likewise.
3389 * c-typeck.c (convert_for_assignment): Use it.
3391 2005-07-24 Andreas Schwab <schwab@suse.de>
3393 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3394 register use a word move. Correct operand of ext.w in 68000 code.
3396 2005-07-23 Mark Mitchell <mark@codesourcery.com>
3398 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3399 variables as declarations, rather than definitions.
3401 2005-07-24 Ira Rosen <irar@il.ibm.com>
3403 PR tree-optimization/22526
3404 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3407 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3409 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3410 that C99 reserve for future use. Use it to define clog10,
3411 clog10f and clog10l.
3413 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3415 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3416 * configure.ac: Check for -Wmissing-format-attribute.
3418 * configure: Regenerate.
3420 2005-07-23 Richard Henderson <rth@redhat.com>
3422 PR tree-optimization/22623
3423 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3425 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
3428 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3430 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3432 * Makefile.in (C_TREE_H): Update dependencies.
3433 * c-tree.h: Include toplev.h.
3434 * diagnostic.h (diagnostic_set_info): Add format attribute.
3435 * rtl-error.c (diagnostic_for_asm): Likewise.
3437 2005-07-23 Chao-ying Fu <fu@mips.com>
3439 * config/mips/mips-dsp.md: New file.
3440 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3441 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3443 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3444 MIPS_BUILTIN_BPOSGE32.
3445 (mips_expand_builtin_direct): Add one parameter to indicate that
3446 builtin functions need to return a value.
3447 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3449 (mips_regno_to_class): Add classes for 12 new DSP registers.
3450 (mips_subword): Change to check four HI registers.
3451 (mips_output_move): Output move to and from 6 new DSP accumulators.
3452 (override_options): Make sure -mdsp and -mips16 are not used together.
3453 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
3455 (mips_conditional_register_usage): Disable 6 new DSP accumulators
3457 (print_operand): Add 'q' for printing DSP accumulators.
3458 (mips_cannot_change_mode_class): Check ACC_REGS.
3459 (mips_secondary_reload_class): Check ACC_REGS.
3460 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3461 (mips_register_move_cost): Check ACC_REGS.
3462 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3463 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3464 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3465 (dsp_bdesc): New array.
3466 (bdesc_arrays): Add DSP builtin function table.
3467 (mips_prepare_builtin_arg): Check predicate again after
3469 (mips_expand_builtin): Add one more parameter to
3470 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3471 MIPS_BUILTIN_BPOSGE32.
3472 (mips_init_builtins): Initialize new function types.
3473 (mips_expand_builtin_direct): Check if builtin functions need to
3474 return a value and pass operands properly.
3475 (mips_expand_builtin_bposge): New function.
3476 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3477 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3478 (FIRST_PSEUDO_REGISTER): Increase to 188.
3479 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3480 Update for 12 new DSP registers.
3481 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3482 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3483 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3484 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3485 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3486 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3487 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3488 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3489 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3490 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3491 (REGISTER_NAMES): Add names for 12 new DSP registers.
3492 * config/mips/mips.md: Include mips-dsp.md.
3493 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3494 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3495 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3496 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3497 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3498 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3499 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3500 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3501 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3502 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3503 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3504 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3505 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3506 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3507 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3508 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3509 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3510 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3511 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3512 (UNSPEC_RDDSP): New constants.
3513 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3514 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
3516 * config/mips/mips.opt (-mdsp): New option.
3517 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3518 (reg_imm10_operand): New predicates.
3519 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3520 * doc/invoke.texi (-mdsp): Document new option.
3522 2005-07-22 DJ Delorie <dj@redhat.com>
3524 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3526 * tree-inline.c (inlinable_function_p): Likewise.
3528 2005-07-22 Mark Mitchell <mark@codesourcery.com>
3531 * toplev.c (check_global_declarations): Do not mark undefined
3532 variables as DECL_IGNORED_P.
3533 * varasm.c (first_global_object_name): GTY it.
3534 (weak_global_object_name): Likewise.
3535 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3536 a string to go into {weak,first}_global_object_name.
3538 2005-07-22 DJ Delorie <dj@redhat.com>
3540 * c-format.c (check_function_format): Change warning control
3541 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3543 2005-07-22 Diego Novillo <dnovillo@redhat.com>
3545 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3546 &PTR->FLD a dereference of PTR.
3547 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3548 a potential dereference of PTR.
3550 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
3552 PR rtl-optimization/20370
3553 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3554 call allocate_reg_info if necessary.
3556 PR rtl-optimization/21848
3557 * calls.c (emit_library_call_value_1): For const functions, add
3558 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3560 PR rtl-optimization/22445
3561 * cselib.c (target.h): Include.
3562 (rtx_equal_for_cselib_p): Allow commutative matches.
3563 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3564 Remove MODE parameter. Changed all callers.
3566 PR rtl-optimization/22258
3567 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3569 (try_combine): Use likely_spilled_retval_p.
3571 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
3573 * config.gcc: Add crx-elf support.
3575 * doc/contrib.texi: Mention crx.
3576 * doc/extend.texi: Document crx extensions.
3577 * doc/install.texi: Document crx install.
3578 * doc/invoke.texi: Document crx options.
3579 * doc/md.texi: Document crx constraints.
3581 * config/crx/crx-protos.h: New file.
3582 * config/crx/crx.c: New file.
3583 * config/crx/crx.h: New file.
3584 * config/crx/crx.md: New file.
3585 * config/crx/crx.opt: New file.
3586 * config/crx/t-crx: New file.
3588 2005-07-22 Manfred Hollstein <mh@suse.com>
3590 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3592 (int_add_graph_edge): Likewise.
3593 (collapse_nodes): Likewise.
3594 (process_unification_queue): Likewise.
3596 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 Laurent GUERBY <laurent@guerby.net>
3599 PR tree-optimization/22336
3600 * function.c (record_block_change): Check for
3601 cfun->ib_boundaries_block.
3603 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
3605 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3606 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3608 2005-07-21 DJ Delorie <dj@redhat.com>
3610 * toplev.c (warn_deprecated_use): Add warning control to warning
3612 * c-typeck.c (parser_build_binary_op): Likewise.
3613 (c_finish_if_stmt): Likewise.
3614 * c-common.c (check_function_sentinel): Likewise.
3615 (check_nonnull_arg): Likewise.
3617 2005-07-21 Richard Henderson <rth@redhat.com>
3620 * tree-complex.c (complex_ssa_name_components): New.
3621 (cvc_lookup): Allow entry not found.
3622 (create_components): Remove.
3623 (create_one_component_var, get_component_var): New.
3624 (get_component_ssa_name, set_component_ssa_name): New.
3625 (extract_component): Use get_component_ssa_name.
3626 (update_complex_components): Use set_component_ssa_name.
3627 (update_complex_components_on_edge): Likewise.
3628 (update_phi_components): Create new PHI nodes directly, instead
3629 of adding insns to edges.
3630 (tree_lower_complex): Allocate and free complex_variable_components
3631 and complex_ssa_name_components here.
3633 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
3635 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3636 revert to returning false.
3638 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3641 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3643 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3646 * config/i386/i386.md (cmpxf): Change operand constraints
3647 to "nonmemory_operand".
3649 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3651 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3653 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3656 * fold-const.c (fold_build1): Add checksum for the operands.
3657 (fold_build2): Likewise.
3658 (fold_build3): Likewise.
3660 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3663 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3665 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3667 * common.opt (-fforward-propagate): Committed by mistake,
3670 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3672 * reg-stack.c: Fix comment typo(s).
3673 * tree-ssa-operands.c: Likewise.
3674 * tree-vectorizer: Likewise.
3676 2005-07-21 Nick Clifton <nickc@redhat.com>
3678 * config/sh/symbian.c: Replace C++ style line comments with C
3679 style line comments.
3680 (symbian_add_attribute): Do not use a ? operator on the LHS of
3682 (sh_symbian_handle_dll_attribute): Change the type of the
3683 method vector to "VEC(tree,gc)*" and use vector accessor
3684 macros to walk over the elements.
3685 (symbian_export_vtable_and_rtti_p): Likewise.
3686 (symbian_class_needs_attribute_p): Likewise.
3688 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3691 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3692 initialize targetm.resolve_overloaded_builtin here.
3693 (altivec_expand_overloaded_builtin): Make it non-static.
3694 * config/rs6000/rs6000-protos.h
3695 (altivec_expand_overloaded_builtin): New prototype.
3696 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3697 targetm.resolve_overloaded_builtin here.
3698 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3700 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3701 Zdenek Dvorak <dvorakz@suse.cz>
3703 PR tree-optimization/19210
3704 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3706 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3707 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3708 rely on unproven assumptions.
3709 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3710 * tree-flow.h (number_of_iterations_exit): Add final parameter.
3711 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3712 to number_of_iterations_exit.
3713 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3714 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3715 * tree-ssa-loop-niter.c (find_loop_niter,
3716 estimate_numbers_of_iterations_loop): Likewise.
3717 (number_of_iterations_exit): Honor the new options.
3718 * doc/invoke.texi (Wunsafe-loop-optimizations,
3719 funsafe-loop-optimizations): Document them.
3721 2005-07-21 Richard Sandiford <richard@codesourcery.com>
3723 PR rtl-optimization/22167
3724 * gcse.c (hoist_code): Fix hoist_exprs[] check.
3726 2005-07-20 Adam Nemet <anemet@lnxw.com>
3728 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3729 __do_global_dtors_aux longcall.
3731 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
3733 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3734 (old_special_pred_table): Don't reference
3735 SPECIAL_MODE_PREDICATES.
3736 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3737 * config/arc/arc.h: Don't mention PREDICATE_CODES.
3738 * config/sh/predicates.h: Don't mention
3739 SPECIAL_MODE_PREDICATES.
3740 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3743 2005-07-20 DJ Delorie <dj@redhat.com>
3745 * config.gcc: Add m32c-elf support.
3747 * doc/contrib.texi: Mention m32c.
3748 * doc/extend.texi: Document m32c extensions.
3749 * doc/install.texi: Mention m32c.
3750 * doc/invoke.texi: Document m32c options.
3751 * doc/md.texi: Document m32c constraints.
3753 * config/m32c/addsub.md: New file.
3754 * config/m32c/bitops.md: New file.
3755 * config/m32c/cond.md: New file.
3756 * config/m32c/jump.md: New file.
3757 * config/m32c/m32c-lib1.S: New file.
3758 * config/m32c/m32c-lib2.c: New file.
3759 * config/m32c/m32c-modes.def: New file.
3760 * config/m32c/m32c-pragma.c: New file.
3761 * config/m32c/m32c-protos.h: New file.
3762 * config/m32c/m32c.abi: New file.
3763 * config/m32c/m32c.c: New file.
3764 * config/m32c/m32c.h: New file.
3765 * config/m32c/m32c.md: New file.
3766 * config/m32c/m32c.opt: New file.
3767 * config/m32c/minmax.md: New file.
3768 * config/m32c/mov.md: New file.
3769 * config/m32c/muldiv.md: New file.
3770 * config/m32c/predicates.md: New file.
3771 * config/m32c/prologue.md: New file.
3772 * config/m32c/shift.md: New file.
3773 * config/m32c/t-m32c: New file.
3775 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3777 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3778 (stack_protect_set, stack_protect_test): New expanders.
3779 (stack_protect_set_si, stack_protect_set_si_media,
3780 stack_protect_set_di_media, stack_protect_test_si,
3781 stack_protect_test_si_media, stack_protect_test_di_media):
3784 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
3786 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3788 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
3790 * tree.h (tree_expr_nonzero_p): Export.
3791 * fold-const.c (tree_expr_nonzero_p): Likewise.
3792 Return true for CALL_EXPRs that are alloca calls.
3793 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3795 * tree-flow.h (expr_computes_nonzero): Remove.
3796 * tree-vrp.c (expr_computes_nonzero): Remove.
3797 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3798 (extract_range_from_unary_expr): Likewise.
3799 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3800 tree_expr_nonzero_p.
3802 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
3804 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3805 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
3806 extra arg "picreg" and use it instead of pic_offset_table_rtx.
3807 All callers changed.
3808 (frame_related_constant_load): New arg "related" which controls
3809 setting of RTX_FRAME_RELATED_P. All callers changed.
3810 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3811 (bfin_expand_prologue): Add stack limit checking.
3812 * config/bfin/bfin.md (trapifcc): New pattern.
3814 * config/bfin/bfin.c: Include "langhooks.h".
3815 (def_builtin): Go through lang_hooks to call builtin_function.
3817 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3818 * config/bfin/predicates.md (symbol_ref_operand): New.
3819 (call_insn_operand): Delete. All callers changed to use
3820 register_no_elim_operand.
3821 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3823 (function_arg): Use it to generate the call's operand 2.
3824 (bfin_longcall_p): New function.
3825 (bfin_expand_call): Extra arg "cookie". All callers and declaration
3826 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
3827 determine if the address needs to be in a REG.
3828 (bfin_handle_longcall_attribute): New function.
3829 (bfin_attribute_table): Add "longcall" and "shortcall".
3830 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3831 (CUMULATIVE_ARGS): New member call_cookie.
3832 (PREDICATE_CODES): Add symbol_ref_operand.
3833 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3834 extra USE to the pattern.
3835 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3836 New patterns, split off call_insn, sibcall_insn, call_value_insn and
3837 sibcall_value_insn; now the new patterns handle direct calls and the
3838 old ones indirect calls.
3839 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3841 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
3843 * doc/trouble.texi: Update section on handling of empty loops.
3845 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
3847 * config.gcc: Remove support for sparc-*-openbsd*,
3848 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3850 * config.host: Remove support for i860-*-sysv4* as a host.
3851 * config/i860/*, config/ip2k/*, config/ns32k/*,
3852 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3853 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3854 mention obsolete ports.
3856 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3858 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3860 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3861 of frame_pointer_rtx.
3862 (sh_expand_epilogue): Likewise.
3863 (sh_set_return_address): Likewise.
3864 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3865 instead of FRAME_POINTER_REGNUM if needed. Add elimination
3866 offsets from FRAME_POINTER_REGNUM.
3867 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3868 (sh_register_names): Add initializer for sfp.
3869 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3870 (VALID_REGISTER_P): Likewise.
3871 (FIRST_PSEUDO_REGISTER): Update.
3872 (DWARF_FRAME_REGISTERS): Define.
3873 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3874 (HARD_FRAME_POINTER_REGNUM): Define.
3875 (FRAME_POINTER_REGNUM): Redefine.
3876 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3877 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
3878 from FRAME_POINTER_REGNUM.
3879 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3880 FRAME_POINTER_REGNUM.
3881 (REG_CLASS_CONTENTS): Add sfp.
3882 (REG_ALLOC_ORDER): Likewise.
3883 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
3884 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3885 of frame_pointer_rtx.
3886 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3888 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
3890 * fold-const.c (tree_expr_nonnegative_p): Only return true for
3891 ABS_EXPR when flag_wrapv is false because of INT_MIN.
3892 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3894 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3897 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
3899 Make CONSTRUCTOR use VEC to store initializers.
3900 * c-common.c (complete_array_type): Update to cope with VEC in
3902 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3903 (pp_c_constructor_elts): New function.
3904 * c-pretty-print.h (pp_c_constructor_elts): Declare.
3905 * c-typeck.c (build_function_call, build_c_cast, digest_init,
3906 struct constructor_stack, struct initializer_stack,
3907 constructor_elements, push_init_level, pop_init_level,
3908 add_pending_init, find_init_member, output_init_element): Update to
3909 cope with VEC in CONSTRUCTOR_ELTS.
3910 * coverage.c (build_fn_info_value, build_ctr_info_value,
3911 build_gcov_info): Likewise.
3912 * expr.c (categorize_ctor_elements_1, store_constructor,
3913 expand_expr_real_1): Likewise.
3914 * fold-const.c (fold_ternary): Likewise.
3915 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3916 gimplify_init_constructor, gimplify_expr): Likewise.
3917 * tree-dump.c (dequeue_and_dump): Likewise.
3918 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3920 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3922 * tree-sra.c (generate_element_init_1): Likewise.
3923 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3924 * tree-ssa-operands.c (get_expr_operands): Likewise.
3925 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3926 * tree-vect-transform.c (vect_get_vec_def_for_operand):
3927 (get_initial_def_for_reduction): Likewise.
3928 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3929 value handle in annotations.
3930 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3931 tree_node_structure): Add support for constr_kind.
3932 (build_vector_from_ctor, build_constructor_single,
3933 build_constructor_from_list): New functions.
3934 (build_constructor): Update to take a VEC instead of a TREE_LIST.
3935 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3936 Update to cope with VEC in CONSTRUCTOR_ELTS.
3937 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3938 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3939 CONSTRUCTOR_APPEND_ELT): New macros.
3940 (struct constructor_elt, struct tree_constructor): New data types.
3941 (union tree_node): Add tree_constructor field.
3942 * treestruct.def: Define TS_CONSTRUCTOR.
3943 * varasm.c (const_hash_1, compare_constant, copy_constant,
3944 compute_reloc_for_constant, output_addressed_constants,
3945 initializer_constant_valid_p, output_constant,
3946 array_size_for_constructor, output_constructor): Update to cope with
3947 VEC in CONSTRUCTOR_ELTS.
3948 * vec.h (VEC_empty, VEC_copy): New macros.
3950 2005-07-19 Devang Patel <dpatel@apple.com>
3952 * dbxout.c (dbxout_type): Check Objective-C++ lang.
3954 2005-07-19 Richard Henderson <rth@redhat.com>
3957 * gimplify.c (gimplify_expr): Use main variant type for the temp
3958 destination for a discarded volatile read.
3959 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3960 casts between non-void types that change volatility.
3962 2005-07-15 DJ Delorie <dj@redhat.com>
3964 * toplev.h: Add comment about the first parameter for warning().
3965 * errors.h: Likewise.
3967 * c.opt (Wpragmas): New.
3968 * doc/invoke.texi: Document it.
3970 * function.c (do_warn_unused_parameter): Add warning control to
3972 * c-decl.c (warn_if_shadowing): Likewise.
3973 * c-lex.c (cb_def_pragma): Likewise.
3974 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3975 (pop_alignment): Likewise.
3976 (handle_pragma_pack): Likewise.
3977 (apply_pragma_weak): Likewise.
3978 (handle_pragma_weak): Likewise.
3979 (handle_pragma_redefine_extname): Likewise.
3980 (add_to_renaming_pragma_list): Likewise.
3981 (handle_pragma_extern_prefix): Likewise.
3982 (maybe_apply_renaming_pragma): Likewise.
3983 (handle_pragma_visibility): Likewise.
3985 * config/c4x/c4x-c.c (BAD): Likewise.
3986 (c4x_parse_pragma): Likewise.
3987 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3988 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3989 (rs6000_pragma_longcall): Likewise.
3990 * config/v850/v850-c.c (pop_data_area): Likewise.
3991 (ghs_pragma_section): Likewise.
3992 (ghs_pragma_section): Likewise.
3993 (ghs_pragma_interrupt): Likewise.
3994 (ghs_pragma_starttda): Likewise.
3995 (ghs_pragma_startsda): Likewise.
3996 (ghs_pragma_startzda): Likewise.
3997 (ghs_pragma_endtda): Likewise.
3998 (ghs_pragma_endsda): Likewise.
3999 (ghs_pragma_endzda): Likewise.
4001 2005-07-19 Danny Berlin <dberlin@dberlin.org>
4002 Kenneth Zadeck <zadeck@naturalbridge.com>
4004 * Makefile.in: Removed tree-promote-statics.c
4005 * tree-promote-statics.c: Removed.
4006 * common.opt: Removed flag-promote-statics.
4008 * passes.c: Removed tree-promote-statics pass.
4009 * tree-pass.h: Ditto.
4010 * timevar.def: Removed TV_PROMOTE_STATICS.
4013 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4015 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4017 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4019 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4022 * c-common.c (check_function_arguments): Call
4023 'check_function_format' if either -Wformat or
4024 -Wmissing-format-attribute are specified.
4025 * c-format.c (check_function_format): Check -Wformat before
4026 calling 'check_format_info'.
4027 * c-opts.c (c_common_post_options): Don't warn for
4028 -Wmissing-format-attribute without -Wformat.
4029 * c-typeck.c (convert_for_assignment): Detect additional cases for
4030 -Wmissing-format-attribute.
4031 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4034 2005-07-19 Richard Guenther <rguenther@suse.de>
4036 * config/i386/i386.md (lrint<mode>2): Use temporary
4037 instead of clobbering non-existent memory.
4039 2005-07-19 Nick Clifton <nickc@redhat.com>
4041 * config/avr/avr.c (legitimate_address_p): Fix debugging print
4042 statement to avoid displaying ASCII control characters.
4044 2005-07-19 Ben Elliston <bje@au.ibm.com>
4046 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4047 * cfganal.c (find_edge_index): Ditto.
4048 * combine.c (combine_instructions): Ditto.
4049 * ddg.c (create_scc): Ditto.
4050 (find_successors): Ditto.
4051 (find_predecessors): Ditto.
4052 (find_nodes_on_paths): Ditto.
4053 (longest_simple_path): Ditto.
4054 * flow.c (update_life_info): Ditto.
4055 (count_or_remove_death_notes): Ditto.
4056 (clear_log_links): Ditto.
4057 * modulo-sched.c (generate_reg_moves): Ditto.
4058 (find_max_asap): Ditto.
4059 (find_max_hv_min_mob): Ditto.
4060 (find_max_dv_min_mob): Ditto.
4061 * sbitmap.c (sbitmap_first_set_bit): Ditto.
4062 * sched-rgn.c (extract_edgelst): Ditto.
4063 * tree-into-ssa.c (prepare_names_to_update): Ditto.
4064 (dump_update_ssa): Ditto.
4065 (ssa_names_to_replace) Ditto.
4066 (switch_virtuals_to_full_rewrite): Ditto.
4067 (update_ssa): Ditto.
4068 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4070 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
4072 Fix PR tree-optimization/22483
4074 * tree-complex.c (create_components): Use
4075 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4076 * tree-flow-inline.h (fill_referenced_var_vec): New function.
4077 * tree-flow.h (safe_referenced_var_iterator): New structure.
4078 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4079 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4080 safe_referenced_var iterator.
4081 (add_type_alias): Ditto.
4083 2005-07-19 Steven Bosscher <stevenb@suse.de>
4085 * loop-init.c (rest_of_handle_loop2): Remove.
4086 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4087 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4088 (pass_rtl_loop_init, pass_rtl_loop_done,
4089 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4090 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4091 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4092 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4093 pass_tree_loop_done, and pass_tree_unswitch.
4094 (gate_loop): Rename to gate_tree_loop.
4095 * passes.c (init_optimization_passes): Update for renamed tree
4096 loop passes. Add the new loop2 passes as subpasses of loop2.
4097 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4098 Update for the renamed tree loop passes.
4100 2005-07-18 Ian Lance Taylor <ian@airs.com>
4103 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4104 blocks when optimizing.
4106 2005-07-18 Steve Ellcey <sje@cup.hp.com>
4108 * common.opt (frename-registers): Initialize to 2.
4110 (fgcse-after-reload): Ditto.
4111 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4112 (process_options): Only change flag_web, flag_rename_registers,
4113 and flag_rerun_cse_after_loop if not explicitly set by user.
4115 2005-07-18 Jan Beulich <jbeulich@novell.com>
4117 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4118 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4119 in 64-bit mode the same as DImode in 32-bit mode.
4120 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4121 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4122 mode. Add new mode parameter.
4123 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4124 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4125 x86_64_shift_adj): New expanders.
4126 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4127 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4129 Respective new splitters. Use renamed shift splitter helpers in 32-bit
4130 DImode shift splitters.
4131 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4132 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4135 2005-07-18 Jan Beulich <jbeulich@novell.com>
4137 * i386.md (movdi_extzv_1): New.
4138 (zero_extendhidi2): Combine alternatives and never force use of
4140 (zero_extendqidi2): Likewise. Don't restrict input selection.
4142 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4144 Fix PR tree-optimization/22531
4145 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
4148 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4150 * tree-promote-statics.c (pass_promote_statics): Change dump file
4153 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4155 * tree-optimize.c (init_tree_optimization_passes): Add
4156 pass_eliminate_useless_stores pass.
4157 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4158 * tree-ssa-pre.c (is_copy_stmt): New function.
4159 (follow_copies_till_vuse): Ditto.
4160 (do_eustores): Ditto.
4161 (gate_eustores): Ditto.
4163 2005-07-16 Richard Henderson <rth@redhat.com>
4165 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4167 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4168 Kenneth Zadeck <zadeck@naturalbridge.com>
4170 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4171 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4172 ipa-type-escape.h, tree-promote-statics.c
4173 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4174 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4175 tree-promote-statics.c: new files.
4176 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4177 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4178 int nonlocal_set_p, mark_constant_function): Deleted.
4179 (rest_of_handle_cfg): Removed call to mark_constant_function.
4180 (nonoverlapping_component_refs_p): Added calls to support
4181 type based aliasing.
4182 * tree-ssa-alias.c (may_alias_p,
4183 compute_flow_insensitive_aliasing): Ditto.
4184 * calls.c (flags_from_decl_or_type): Removed reference to
4186 * c-typeck.c (convert_arguments): Make builtins tolerant of having
4187 too many arguments. This is necessary for Spec 2000.
4188 * cgraph.h (const_function, pure_function): Removed.
4189 * common.opt: Added "fipa-pure-const", "fipa-reference",
4190 "fipa-type-escape", and "ftree-promote-static".
4192 * passes.c: Added ipa and tree-promote-statics passes.
4193 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4194 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4195 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4196 * tree-flow.h: Added exposed sra calls and addition of
4197 reference_vars_info field for FUNCTION_DECLS.
4198 * tree-pass.h: Added passes.
4199 * tree-sra.c: (sra_init_cache): New function.
4200 (sra_insert_before, sra_insert_after) Made public.
4201 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4203 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4204 aliasing. (may_alias_p): Added code to use type escape analysis to
4206 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4207 code to prune clobbers of static variables based on information
4208 produced in ipa-reference pass. Changed call clobbering so that
4209 statics are not marked as clobbered if the call does not clobber
4212 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
4214 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4217 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4219 * doc/install.texi (*-*-solaris2*): Document recommended version
4220 of GNU binutils and mention GNU linker problem on Solaris 10.
4222 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
4225 * c-decl.c (c_build_bitfield_integer_type): New function.
4226 (finish_struct): Call it.
4227 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4229 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4231 * c-typeck.c (digest_init): Call 'convert_for_assignment'
4234 2005-07-16 Jan Hubicka <jh@suse.cz>
4236 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4237 (scale_bbs_frequencies_int): Watch roundoff errors.
4238 * predict.c (return_prediction): Initialize return_stmt.
4240 2005-07-16 Jan Hubicka <jh@suse.cz>
4242 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4243 after RTL profiling.
4245 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
4248 * fold-const.c (build_range_check): Convert high/low to etype
4249 if we are only comparing against exp.
4251 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
4253 Fix PR tree-optimization/22376
4254 * tree-ssa-structalias.c (build_constraint_graph): We really meant
4256 (need_to_solve): New function.
4257 (compute_points_to_sets): Use it.
4259 2005-07-15 Jan Hubicka <jh@suse.cz>
4261 * cfg.c (update_bb_profile_for_threading): More diagnostic.
4262 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4264 2005-07-15 Richard Guenther <rguenther@suse.de>
4266 * c-common.c (handle_flatten_attribute): New function.
4267 Add flatten function attribute.
4268 * doc/extend.texi: Document flatten function attribute.
4269 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4270 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4272 (cgraph_decide_inlining): Handle functions with flatten
4275 2005-07-14 David Edelsohn <edelsohn@gnu.org>
4277 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4278 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4279 UNSPEC_XCHG, UNSPEC_AND): New.
4280 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4281 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4282 * config/rs6000/sync.md (FETCHOP): New code macro.
4283 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4285 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4286 (sync_compare_and_swap<mode>): Same.
4287 (sync_lock_test_and_set<mode>): Same.
4288 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4289 for QImode and HImode, and not PPC405.
4290 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4291 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4292 (sync_<fetchop>{si,di}_internal): New.
4293 (sync_nand{si,di}_internal): New.
4294 (sync_old_<fetchop>{si,di}_internal): New.
4295 (sync_old_nand{si,di}_internal): New
4296 (sync_new_<fetchop>{si,di}_internal): New.
4297 (sync_new_nand{si,di}_internal): New.
4298 (atomic_and{si,di}): New.
4299 (sync_new_nand{si,di}_internal): New.
4300 (atomic_and{si,di}): New.
4301 (sync_add<mode>_internal): Delete.
4302 (sync_addshort_internal): Use unspec instead of unspec_volatile.
4303 (sync_sub<mode>_internal): Delte.
4304 (sync_subshort_internal): New.
4305 (sync_andsi_internal): Use unspec instead of unspec_volatile.
4306 (sync_anddi_internal): Delete.
4307 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4308 (sync_booldi_internal): Delete.
4309 (sync_boolc<mode>_internal): Delete.
4310 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4311 (sync_boolc<mode>_internal2): Delete.
4312 (sync_boolcc<mode>_internal): Delete.
4313 (isync, lwsync): Use unspec instead of unspec_volatile.
4314 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4315 Revert UNSPEC_VOLATILE.
4316 (rs6000_split_atomic_op): New.
4317 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4319 2005-07-14 Eric Christopher <echristo@redhat.com>
4321 * config/mips/mips.c (mips_canonicalize_comparison): Cast
4322 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4324 2005-07-14 Eric Christopher <echristo@redhat.com>
4326 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4328 2005-07-14 Steven Bosscher <stevenb@suse.de>
4330 PR tree-optimization/22230
4331 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4332 the computation of the four cross productions for "range op range".
4334 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
4335 Ulrich Weigand <uweigand@de.ibm.com>
4338 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4341 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4343 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4345 2005-07-14 Steve Ellcey <sje@cup.hp.com>
4347 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4349 2005-07-14 Richard Guenther <rguenther@suse.de>
4352 * config/i386/i386-protos.h (ix86_function_value): Change
4353 prototype to match new target hook.
4354 * config/i386/i386.c (ix86_value_regno): Change prototype
4355 to take extra type argument.
4356 (TARGET_FUNCTION_VALUE): Define.
4357 (ix86_function_ok_for_sibcall): Pass extra argument to
4358 ix86_value_regno, check return slot rtx for exact match.
4359 (ix86_function_value): Take extra parameter. Dispatch to
4360 ix86_value_regno with fndecl/fntype as provided.
4361 (ix86_value_regno): Handle extra type argument.
4362 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4364 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4365 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4366 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4367 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4368 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4370 2005-07-14 Richard Guenther <rguenther@suse.de>
4372 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4373 * calls.c (expand_call): Pass fntype to hard_function_value.
4374 (emit_library_call_value_1): Likewise.
4375 * explow.c: Include target.h.
4376 (hard_function_value): Take extra argument, the fntype.
4377 Use new target hook for function_value.
4378 * expr.h (hard_function_value): Change prototype.
4379 * function.c (aggregate_value_p): Pass 0 as fntype to
4380 hard_function_value.
4381 (assign_parms): Use new target hook for function_value.
4382 Pass 0 as fntype to hard_function_value.
4383 (expand_function_end): Likewise.
4384 * reg-stack.c: Include target.h.
4385 (stack_result): Use new target hook for function_value.
4386 * target-def.h: New target hook function_value.
4387 * target.h: Likewise.
4388 * targhooks.c (default_function_value): New function.
4389 * targhooks.h (default_function_value): Declare.
4391 2005-07-13 Ian Lance Taylor <ian@airs.com>
4393 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4395 2005-07-14 Jan Hubicka <jh@suse.cz>
4397 * tree-dfa.c (dump_variable): Use default_def function.
4398 * tree-ssa-alias.c (dump_points_to_info): Likewise.
4399 * tree-ssa.c (verify_use): Likewise.
4400 * tree-ssanames.c (release_ssa_name): Likewise.
4401 * tree-tailcall.c (eliminate_tail_call): Likewise.
4402 (tree_optimize_tail_calls_1): Likewise.
4403 * tree-vrp.c (get_value_range): Likewise.
4405 2005-07-14 Ben Elliston <bje@au.ibm.com>
4407 * gcc.c (main): Compare language[0] with '*' when iterating over
4410 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4412 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4413 "s390_emit_compare". Add handling of CCZ1mode.
4414 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4415 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4417 (s390_branch_condition_mask): Add CCZ1mode handling.
4418 * config/s390/s390.md: ("seq", "*seq"): New pattern.
4419 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4420 Use CCZ1mode instead of CCZmode.
4421 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
4423 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4425 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4427 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4429 2005-07-13 Eric Christopher <echristo@redhat.com>
4431 * config/mips/mips.c (mips_canonicalize_comparison): New.
4432 (mips_emit_int_relational): Use.
4434 2005-07-13 Eric Christopher <echristo@redhat.com>
4436 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4438 * config/s390/s390.md: Include tpf.md. Move tpf specific
4440 * config/s390/tpf.md: To here.
4441 * config/s390/s390.opt: Move tpf specific options...
4442 * config/s390/tpf.opt: to here. Add mmain option.
4443 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4444 * config/s390/tpf.h: Rewrite.
4446 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4448 * doc/tm.texi: Remove @xref{Cross-profiling}.
4450 2005-07-13 Jeff Law <law@redhat.com>
4452 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4453 expressions, test their _DECL operands for pointer equality rather
4454 than using operand_equal_p.
4456 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4458 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4459 (TARGET_POSIX_IO): This.
4460 * config/darwin.h: Likewise.
4461 * config/freebsd.h: Likewise.
4462 * config/linux.h: Likewise.
4463 * config/lynx.h: Likewise.
4464 * config/netbsd.h: Likewise.
4465 * config/rs6000/linux64.h: Likewise.
4466 * config/rs6000/linux.h: Likewise.
4467 * config/s390/tpf.h: Likewise.
4468 * config/sh/embed-elf.h: Likewise.
4469 * config/sparc/linux64.h: Likewise.
4470 * config/sparc/linux.h: Likewise.
4471 * config/svr4.h: Likewise.
4472 * gcov-io.h: Likewise.
4474 * doc/tm.texi: Updated.
4476 * libgcov.c (create_file_directory): Defined only if
4477 TARGET_POSIX_IO is defined.
4478 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4481 2005-07-13 Jan Hubicka <jh@suse.cz>
4483 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4485 2005-07-13 David Edelsohn <edelsohn@gnu.org>
4487 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4488 structure as argument.
4490 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
4492 PR tree-optimization/21921
4493 * tree-iterator.c (tsi_link_before): Support the case when
4494 tsi_end_p (tsi) == true.
4496 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4498 PR tree-optimization/22442
4499 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4502 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4504 PR rtl-optimization/20376
4505 * toplev.c (process_options): Enable -fweb and -frename-registers when
4507 * doc/invoke.texi: Update the information about when -fweb and
4508 -frename-registers are enabled.
4510 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4513 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4514 if *rhs_p is not a SSA_NAME.
4516 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
4518 Fix PR tree-optimization/22422
4519 * tree-ssa-structalias.c (struct variable_info): Add flag for
4521 (get_varinfo): Now a static function.
4522 (new_varinfo): init has_union and is_special_var to false.
4523 (solution_set_add): Check has_union.
4524 (do_da_constraint): Move temporary variable so it gets reset
4526 Also check for special variable.
4527 (do_ds_constraint): Ditto.
4528 (do_sd_constraint): Ditto.
4529 (do_structure_copy): Check for special variable.
4530 (find_func_aliases): Ditto.
4531 (init_base_vars): Set special vars properly.
4533 2005-07-13 Jan Hubicka <jh@suse.cz>
4535 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4538 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4539 (get_expr_operands): Fix thinko wrt flags and subvars.
4541 PR tree-optimize/22379
4542 * tree-inline.c (expand_call_inline): Do not output sorry in early
4545 2005-07-12 Dale Johannesen <dalej@apple.com>
4547 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
4549 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4552 * host-linux.h: Include limits.h.
4554 2005-07-12 Dale Johannesen <dalej@apple.com>
4556 * expr.c (compress_float_constant): Add cost check.
4557 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
4559 2005-07-12 Dale Johannesen <dalej@apple.com>
4561 * gcc.target/i386/compress-float-sse.c: New.
4562 * gcc.target/i386/compress-float-sse-pic.c: New.
4563 * gcc.target/i386/compress-float-387.c: New.
4564 * gcc.target/i386/compress-float-387-pic.c: New.
4565 * gcc.dg/compress-float-ppc.c: New.
4566 * gcc.dg/compress-float-ppc-pic.c: New.
4568 2005-07-12 Eric Christopher <echristo@redhat.com>
4570 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4572 * config/s390/s390.md: Include tpf.md. Move tpf specific
4574 * config/s390/tpf.md: To here.
4575 * config/s390/s390.opt: Move tpf specific options...
4576 * config/s390/tpf.opt: to here. Add mmain option.
4577 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4578 * config/s390/tpf.h: Rewrite.
4580 2005-07-12 Eric Christopher <echristo@redhat.com>
4582 * gcc.c (struct infile): Update comment for language.
4583 (main): Rewrite input file resetting code.
4585 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4588 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4589 requiring a cast in a non RHS of modify_expr. Add a cast when required.
4590 (lookup_avail_expr): Use constant_boolean_node instead
4591 of boolean_false_node/boolean_true_node.
4593 2005-07-12 Ben Elliston <bje@au.ibm.com>
4595 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4596 and use it when printing num_edges.
4598 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
4600 * doc/extend.texi (Blackfin Built-in Functions): New section.
4601 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4604 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
4606 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4607 s/cmpstrsi/cmpstrnsi
4608 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4610 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4611 (init_optabs): Initialize cmpstrn_optab.
4612 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4613 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4614 * expr.c: (enum insn_code cmpstrn_optab): Declare.
4615 * config/i386/i386.md: s/cmpstr/cmpstrn
4616 * config/c4x/c4x.md: s/cmpstr/cmpstrn
4617 * doc/md.texi: Update documentation.
4619 2005-07-11 Richard Henderson <rth@redhat.com>
4621 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4622 build_va_arg_indirect_ref.
4623 (alpha_gimplify_va_arg): Likewise.
4624 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4625 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4626 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4627 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4628 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4629 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4631 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4633 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4635 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4636 * passes.c (init_optimization_passes): Add pass_empty_loop.
4637 * tree-pass.h (pass_empty_loop): Declare.
4638 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4639 try_remove_empty_loop, remove_empty_loops): New functions.
4640 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4641 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4643 2005-07-12 Peter Barada <peter@the-baradas.com>
4647 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4648 in address registers.
4649 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4650 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4651 alternative of addsi3_5200.
4653 2005-07-11 Ian Lance Taylor <ian@airs.com>
4655 * config/mips/mips.md (ffs<mode>2): Remove.
4657 2005-07-11 Ian Lance Taylor <ian@airs.com>
4659 * doc/tree-ssa.texi (Cleanups): Improve description of
4661 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4663 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4665 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4666 * tree.h (DECL_ARGUMENT_FLD): New macro.
4668 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4670 Fix PR tree-optimization/22404
4672 * tree-ssa-structalias.c (create_variable_info_for): Use
4675 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
4677 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4678 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4679 for second comparison operand.
4680 * config/bfin/predicates.md (reg_or_const_int_operand): New.
4682 * config/bfin/bfin.md (define_attr "type"): Add "sync".
4683 (define_insn_reservation "alu"): Likewise.
4684 (csync, ssync): Now of type sync.
4685 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4686 -mcsync-anomaly -mspecld-anomaly.
4687 * config/bfin/bfin.opt (mcsync): Remove.
4688 (mcsync-anomaly, mspecld-anomaly): Add.
4689 * config/bfin/bfin.c: Include "insn-codes.h".
4690 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4691 (TARGET_DEFAULT_TARGET_FLAGS): New.
4692 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4694 2005-07-11 Steven Bosscher <stevenb@suse.de>
4696 * basic-block.h: Give the BB flags enum a name, bb_flags.
4697 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4698 * cfgcleanup.c (enum bb_flags): Remove here.
4699 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4700 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4701 (update_forwarder_flag): Likewise.
4702 (thread_jump): Likewise.
4703 (try_forward_edges): Likewise.
4704 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
4705 forwarder flags. Don't clear bb->aux for all basic blocks. Only
4706 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4708 2005-07-11 Richard Guenther <rguenther@suse.de>
4710 * config/i386/i386.opt: New target option -msseregparm.
4711 * config/i386/i386.c (override_options): Error out for
4712 -msseregparm but no SSE support.
4713 (ix86_function_sseregparm): Check for global sseregparm.
4714 * doc/invoke.texi: Document -msseregparm.
4716 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4718 * config.gcc (m32r-*-linux*): Use the default extra_parts.
4719 (m32rle-*-linux*): Ditto.
4721 2005-07-11 Jakub Jelinek <jakub@redhat.com>
4723 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4724 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4727 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4731 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4732 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4734 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
4736 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4737 (varmap): Heapify varmap.
4738 (constraints): Heapify constraints.
4739 (struct constraint_graph): Heapify succs and preds.
4740 (constraint_vec_find): Update for heapification.
4741 (constraint_set_union): Ditto.
4742 (insert_into_complex): Ditto.
4743 (constraint_edge_vec_find): Ditto.
4744 (erase_graph_self_edge): Ditto.
4745 (add_graph_edge): Ditto.
4746 (get_graph_weights): Ditto.
4747 (merge_graph_nodes): Ditto.
4748 (build_constraint_graph): Ditto.
4749 (topo_visit): Ditto.
4750 (solve_graph): Ditto.
4751 (create_variable_info_for): Ditto.
4752 (init_base_vars): Ditto.
4753 (delete_points_to_sets): Free graph, varmap, and complex constraints.
4754 (condese_varmap_nodes): Free complex vector.
4755 (clear_edges_for_node): Clear succs and preds vector.
4757 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4759 * tree-ssa-structalias.c (update_alias_info): Change counting of
4760 references to not include vdefs.
4762 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4764 * tree-ssa-alias.c (free_used_part_map): Add missing free.
4767 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4769 * pa.c (pa_commutative_p): Make PLUS commutative when
4770 TARGET_NO_SPACE_REGS is true.
4772 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4774 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4775 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4776 * tree-dfa.c (dump_subvars_for): New.
4777 (debug_subvars_for): New.
4778 (dump_variable): Show subvariables if VAR has them.
4779 * tree-flow-inline.h (get_subvar_at): New.
4780 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4781 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4783 (struct subvar): Change fields offset and size to unsigned
4785 (dump_subvars_for): Declare.
4786 (debug_subvars_for): Declare.
4787 (get_subvar_at): Declare.
4788 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4789 to unsigned HOST_WIDE_INT *.
4790 (overlap_subvar): Likewise.
4791 * tree-gimple.c (is_gimple_reg): Always return false for
4792 SFTs and memory tags.
4793 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4795 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4796 (compute_may_aliases): Call compute_points_to_sets.
4797 (collect_points_to_info_for): Remove.
4798 (compute_points_to_and_addr_escape): Remove.
4799 (delete_alias_info): Call delete_points_to_sets.
4800 (compute_flow_sensitive_aliasing): If the call to
4801 find_what_p_points_to returns false, call set_pt_anything.
4802 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4803 (set_pt_anything): Clear pi->pt_vars.
4804 (set_pt_malloc): Remove.
4805 (merge_pointed_to_info): Remove.
4806 (add_pointed_to_expr): Remove.
4807 (add_pointed_to_var): Remove.
4808 (collect_points_to_info_r): Remove.
4809 (is_escape_site): Make extern.
4811 (create_overlap_variables_for): Call it.
4812 * tree-ssa-copy.c (merge_alias_info): Never merge
4813 flow-sensitive alias information.
4814 * tree-ssa-operands.c (get_expr_operands): Adjust variables
4815 offset and size to be unsigned HOST_WIDE_INT.
4816 (add_to_addressable_set): Rename from note_addressable.
4817 Set TREE_ADDRESSABLE as the variables are added to the set.
4819 (add_stmt_operand): Do not try to micro-optimize unmodifiable
4820 operands into VUSEs when adding V_MAY_DEFs for members in an
4822 * tree-ssa-operands.h (add_to_addressable_set): Declare.
4823 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4824 (struct variable_info): Add bitfield is_heap_var.
4825 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4826 (new_var_info): Initialize is_heap_var.
4827 (get_constraint_for): Add HEAP variables to the symbol table.
4828 Mark them with is_heap_var.
4829 (update_alias_info): New. Taken mostly from the old
4830 compute_points_to_and_addr_escape.
4831 (handle_ptr_arith): New.
4832 (find_func_aliases): Call update_alias_info.
4833 Call handle_ptr_info for tcc_binary expressions.
4834 Call mark_stmt_modified.
4835 (create_variable_info_for): If DECL has subvars, do not create
4836 variables for its subvars. Always add all the fields.
4837 (set_uids_in_ptset): If the solution includes ANYOFFSET and
4838 SFTs, then add all the SFTs of the structure.
4839 If VI->DECL is an aggregate with subvariables, add the SFT at
4841 (find_what_p_points_to): If VI is an artificial variable,
4842 translate to bitfields in SSA_NAME_PTR_INFO.
4843 If the solution is empty, set pi->pt_vars to NULL
4844 (init_base_vars): Create ANYOFFSET.
4845 (compute_points_to_sets): Rename from create_alias_vars.
4847 (pass_build_pta): Remove.
4848 (delete_points_to_sets): Rename from delete_alias_vars.
4849 (pass_del_pta): Remove.
4850 * tree-ssa-structalias.h (struct alias_info): Move from
4852 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4853 NUM_REFERENCES_SET): Likewise.
4854 (compute_points_to_sets, delete_points_to_sets): Declare.
4856 2005-07-09 Richard Henderson <rth@redhat.com>
4858 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4859 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4860 alpha_split_lock_test_and_set_12): New functions.
4861 * config/alpha/alpha-protos.h: Update.
4862 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4863 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4864 * config/alpha/sync.md (I12MODE): New.
4865 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4866 (sync_<fetchop_name><I48MODE>): Likewise.
4867 (sync_nand<I48MODE>): Likewise.
4868 (sync_old_<fetchop_name><I48MODE>): Likewise.
4869 (sync_new_<fetchop_name><I48MODE>): Likewise.
4870 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4871 (sync_compare_and_swap<I48MODE>): Likewise.
4872 (sync_lock_test_and_set<I48MODE>): Likewise.
4873 (sync_compare_and_swap<I12MODE>): New.
4874 (sync_compare_and_swap<I12MODE>_1): New.
4875 (sync_lock_test_and_set<I12MODE>): New.
4876 (sync_lock_test_and_set<I12MODE>_1): New.
4878 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4882 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4884 2005-07-09 Jakub Jelinek <jakub@redhat.com>
4886 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4887 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4889 2005-07-09 Richard SAndiford <richard@codesourcery.com>
4892 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4894 2005-07-08 David Edelsohn <edelsohn@gnu.org>
4896 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4897 memory_operand constraint.
4898 (store_conditional_<mode>): Same.
4899 (sync_compare_and_swap<mode>): Same.
4900 (sync_lock_test_and_set<mode>): Same.
4902 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
4904 Rewrite PIC support to more closely model actual instructions.
4905 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4906 (cris_symbol): Remove prototypes for removed functions.
4907 (cris_pic_symbol_type_of, cris_valid_pic_const)
4908 (cris_expand_pic_call_address): Prototypes for new functions.
4909 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4911 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4913 <case ':'>: Add case for new punctuation character.
4914 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4915 emitting (extra) PIC modifier.
4916 <case UNSPEC>: Do not assert for PLT.
4917 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4918 (cris_expand_prologue, cris_expand_epilogue): Check
4919 for pic_offset_table_rtx usage instead of taking
4920 current_function_uses_pic_offset_table as the final word.
4921 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4922 Remove flag_pic difference.
4923 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4924 the moral equivalents of...
4925 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4927 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4928 (cris_handle_option): Mark ARG as unused.
4929 (cris_expand_pic_call_address): New worker function for "call",
4931 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4932 output PIC constructs here.
4933 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4934 as symbol-specific modifers, not whole or part of operands.
4935 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4936 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4937 constants and flag_pic.
4938 (CONSTANT_INDEX_P): Adjust for new functions.
4939 (enum cris_pic_symbol_type): New helper type.
4940 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4941 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4942 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4944 ("movsi"): Emit actual instructions for GOT and relative access.
4945 ("*movsi_got_load"): New pattern to set up the register holding
4947 ("*movsi_internal"): Operand 1 is not a plain general_operand.
4948 Adjust FIXME for 'S'.
4949 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4950 Use "movs" for -fpic cases.
4951 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4952 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4953 ("call", "call_value"): Just call cris_expand_pic_call_address for
4955 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4956 Remove special pattern.
4957 ("*expanded_call_side", "*expanded_call_value_side"): New
4959 (gotplt-to-plt, gotplt-to-plt-side-call)
4960 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4962 * config/cris/cris/predicates.md
4963 ("cris_general_operand_or_gotless_symbol"): Remove unused
4965 ("cris_general_operand_or_symbol"): Adjust for new functions.
4967 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4969 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4971 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
4973 * Makefile.in (TREE_H): Add treestruct.def.
4974 (c-decl.o): Add pointer-set.h
4975 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4976 visibility on regular DECL's.
4977 (merge_decls): Fix the copying of decl nodes of various types for
4978 the new structures. Don't update RTL, section name, weak status,
4979 etc, on DECL's without RTL.
4980 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4981 Don't check volatile on non-variable types.
4982 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4983 to check whether we have seen arguments.
4984 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4985 flag is checked before field (flag is common, field is not).
4986 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
4987 TS_DECL_COMMON could have an origin.
4988 (add_location_or_const_value_attribute): Don't check section name
4989 on non-var/function decls.
4990 (dwarf2out_var_location): Reverse order of tests.
4991 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4992 with DECL_WRTL_CHECK.
4993 * expmed.c (make_tree): rtl is now in decl_with_rtl.
4994 * fold-const.c (fold_binary): Don't check weakness on
4995 non-var/function decls.
4996 (tree_expr_nonzero_p): Ditto.
4997 (fold_checksum_tree): Use tree_decl_extra as sizeof
4999 * ggc-page.c (extra_order_size_table): Add sizes for
5000 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
5002 * gimplify.c (gimplify_bind_expr): Only set
5003 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5004 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5006 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5007 * langhooks.h (init_ts). New langhook.
5008 * passes.c (rest_of_decl_compilation): Reverse order of tests.
5009 * print-tree.c (print_node): Update to only print fields that
5010 exist in the structures the passed decl has.
5011 * toplev.c (wrapup_global_declarations): Don't reset
5012 DECL_DEFER_OUTPUT on DECL's that don't contain it.
5013 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5014 * tree-inline.c (remap_decl): Ditto.
5015 * tree-outof-ssa.c (create_temp): Reverse order of tests.
5016 * tree-pretty-print.c (print_declaration): Don't print
5017 DECL_REGISTER on things that don't contain it.
5018 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5019 non-var/function decls.
5020 * tree.c (tree_contains_struct): New structure.
5021 (init_priority_for_decl): New hashtable.
5022 (tree_int_map): New structure.
5023 (tree_int_map_eq): New function.
5024 (tree_int_map_marked_p): Ditto.
5025 (tree_int_map_hash): Ditto.
5026 (tree_map): Move to tree.h.
5027 (tree_map_eq): Externalize.
5028 (tree_map_hash): Ditto.
5029 (tree_map_marked_p): Ditto.
5030 (init_ttree): Set up tree_contains_struct and call langhook.
5031 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5032 (tree_code_size): Update for new structures.
5033 (tree_node_structure): Update for new structures.
5034 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5036 (copy_node_stat): Copy init priority.
5037 (build_decl_stat): Ditto for visibility.
5038 (ts_enum_names): New.
5039 (tree_contains_struct_check_failed): New function.
5040 (decl_init_priority_lookup): Ditto.
5041 (decl_init_priority_insert): Ditto.
5042 * treestruct.def: New file.
5043 * tree.h (CODE_CONTAINS_STRUCT): New macro.
5044 (CONTAINS_STRUCT_CHECK): Ditto.
5045 (tree_contains_struct_check_failed): New prototype.
5046 (DECL_CHECK): Removed.
5047 (DECL_MINIMAL_CHECK): New.
5048 (DECL_COMMON_CHECK): Ditto.
5049 (DECL_WRTL_CHECK): Ditto.
5050 (DECL_NON_COMMON_CHECK): Ditto.
5051 (DECL_WITH_VIS_CHECK): Ditto.
5052 (VAR_OR_FUNCTION_DECL_P): Ditto
5053 (struct tree_decl_minimal): New structure.
5054 (struct tree_decl_common): Ditto.
5055 (struct tree_decl_with_rtl): Ditto.
5056 (struct tree_decl_with_vis): Ditto.
5057 (struct tree_decl_non_common): Ditto.
5058 (struct tree_field_decl): Ditto.
5059 (struct tree_parm_decl): Ditto.
5060 (struct tree_var_decl): Ditto.
5061 (struct tree_function_decl): Ditto.
5062 (struct tree_const_decl): Ditto.
5063 (struct tree_result_decl): Ditto.
5064 (union tree_node): Add new structures.
5065 * var-tracking.c (track_expr_p): Reverse order of tests.
5067 * doc/c-tree.texi: Add documentation on DECL node internal structure.
5069 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5071 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5072 * system.h: Poison FINALIZE_PIC.
5073 * doc/tm.texi (FINALIZE_PIC): Remove.
5075 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5078 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5079 to the correct type if we have a MODIFY_EXPR.
5081 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5083 PR tree-optimization/22360
5084 * tree.c (upper_bound_in_type): Fix calculations for casting
5085 to a non-wider signed type and casting a signed value to a
5086 wider unsigned type.
5087 (lower_bound_in_type): Fix calculations for casting to a
5088 non-wider signed type.
5090 PR tree-optimization/20139
5091 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5093 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5094 fold_cond_expr_cond.
5095 * tree-ssanames.c (release_defs): Assert in_ssa_p.
5096 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5098 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5101 * tree-complex.c (expand_complex_libcall): Produce
5102 REALPART_EXPR/IMAGPART_EXPR with the correct type.
5104 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
5106 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5107 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5108 b" assert and inserted fastpath code for this case.
5109 (bitmap_ior): Removed "a != b" assert.
5111 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5113 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5114 (ENDFILE_SPEC): Likewise.
5115 * config/m32r/m32r.h (ASM_SPEC): Likewise.
5117 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5118 a large stack frame at epilogue.
5120 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
5122 * final.c: Include sdbout.h when required.
5124 2005-07-07 Geoffrey Keating <geoffk@apple.com>
5126 * config.gcc (*-*-darwin*): Only one target-specific header file
5128 (powerpc-*-darwin*): Add version-specific header files.
5129 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5130 * config.in: Regenerate.
5131 * configure: Regenerate.
5132 * gcc.c: Include xregex.h.
5133 (version_compare_spec_function): New.
5134 (spec_function): Add version-compare.
5135 (replace_outfile_spec_function): Reformat comment.
5136 (compare_version_strings): New.
5137 * config/darwin-c.c (version_as_macro): New.
5138 (builtin_define): New.
5139 (darwin_cpp_builtins): New.
5140 * config/darwin-protos.h (darwin_cpp_builtins): New.
5141 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5142 (LIB_SPEC): Make unconditional, update comment.
5143 (TARGET_C99_FUNCTIONS): Define.
5144 * config/darwin.opt: Sort.
5145 (mmacosx-version-min=): New.
5146 * config/darwin7.h: Delete.
5147 * config/darwin8.h: Delete.
5148 * config/i386/darwin.h (): Call darwin_cpp_builtins.
5149 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5150 (TARGET_C99_FUNCTIONS): Define.
5151 * config/rs6000/darwin7.h: New.
5152 * config/rs6000/darwin8.h: New.
5153 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5154 (-mmacosx-version-min): Document.
5156 2005-07-07 Ian Lance Taylor <ian@airs.com>
5158 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5160 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
5163 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5165 2005-07-07 Khem Raj <kraj@mvista.com>
5167 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5168 in bytes, not words.
5170 2005-07-07 Paul Brook <paul@codesourcery.com>
5172 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5173 DEFAULT_FUNCTION_ARG_PADDING to upward.
5175 2005-07-07 Richard Henderson <rth@redhat.com>
5177 * function.c (locate_and_pad_parm): Record parameter alignment in
5178 stack_alignment_needed.
5180 2005-07-07 David Edelsohn <edelsohn@gnu.org>
5182 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5183 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5184 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5185 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5186 (define_attr "type"): Add isync, sync, load_l, store_c.
5187 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5188 Create scratch volatile MEM.
5189 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
5191 (load_locked_<mode>): New.
5192 (store_conditional_<mode>): New.
5193 (sync_compare_and_swap<mode>): Replace with splitter.
5194 (sync_lock_test_and_set<mode>): Replace with splitter.
5195 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5197 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
5198 is ics. Attribute isync.
5199 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
5201 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5202 and UNSPECV_SYNC_OP.
5203 (emit_unlikely_jump): New.
5204 (emit_load_locked): New.
5205 (emit_store_conditional): New.
5206 (rs6000_split_compare_and_swap): New.
5207 (rs6000_split_lock_test_and_set): New.
5208 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5209 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5210 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5211 rs6000_split_lock_test_and_set): Declare.
5212 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5213 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5214 store_c, isync, sync.
5216 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
5218 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5219 filenames to gtyp-gen.h.
5220 (s-typ-gen): Use it in place of for loops.
5222 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
5224 * hooks.c (hook_bool_rtx_int_false): New function.
5225 * hooks.h (hook_bool_rtx_int_false): Declare.
5226 * target-def.h (TARGET_COMMUTATIVE_P): Define.
5227 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5228 * target.h (struct gcc_target): Add commutative_p member.
5229 * targhooks.c (hook_bool_rtx_commutative_p): New function.
5230 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5231 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5232 (pa_commutative_p): New function.
5233 * jump.c (target.h): Include.
5234 (rtx_renumbered_equal_p): Use targetm.commutative_p.
5235 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5237 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5239 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5240 (s390_expand_setmem): New.
5241 * config/s390/s390.c: Likewise.
5242 (print_shift_count_operand): Truncate to 12 bits instead of 6.
5244 * config/s390/s390.md: ("setmem<mode>"): Accept character as
5245 general_operand. Call new function "s390_expand_setmem".
5246 ("clrmem_long", "*clrmem_long"): Rewrite to ...
5247 ("setmem_long", "*setmem_long"): ... this.
5249 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5251 * config/s390/s390.c: (optimization_options): Enable
5252 TARGET_MVCLE at -Os.
5253 * doc/invoke.texi: Document changes in default behaviour.
5254 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5256 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5258 * expr.c: (set_storage_via_setmem): Convert opchar to mode
5259 defined by back-end.
5261 2005-07-07 Jakub Jelinek <jakub@redhat.com>
5263 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5264 all sets in the pattern.
5265 * config/rs6000/rs6000.md (stack_protect_testsi,
5266 stack_protect_testdi): Likewise.
5268 2005-07-06 Jeff Law <law@redhat.com>
5270 * tree-vrp.c (simplify_using_ranges): Kill.
5271 (vrp_finalize): Remove call to simplify_using_ranges.
5272 (simplify_stmt_using_ranges): New function extracted from
5273 simplify_using_ranges.
5274 (simplify_div_or_mod_using_ranges): Likewise.
5275 (simplify_abs_using_ranges): Likewise.
5276 (simplify_cond_using_ranges): New function.
5277 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5278 * tree-ssa-propagate.c (substitute_and_fold): Call
5279 simplify_stmt_using_ranges if we have range information.
5281 2005-07-06 James E. Wilson <wilson@specifixinc.com>
5283 * config/ia64/ia64.c (ia64_reorg): Check optimize before
5284 ia64_flag_schedule_isns2.
5286 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5287 reading/writing general registers.
5288 (ia64_function_arg): Revert 2005-06-18 change.
5290 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
5292 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5293 (legitimize_tls_address): Use gcc_unreachable instead of abort.
5295 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
5297 * function.c (expand_function_end): Revert part of 2005-06-27
5298 patch. Do sjlj_emit_function_exit_after after return_label.
5300 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5302 * doc/install.texi (--disable-libssp): New.
5304 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
5306 * doc/invoke.texi: Update -fforce-mem documentation.
5307 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5308 code for -fforce-mem.
5309 * expmed.c: (store_bit_field,store_fixed_bit_field,
5310 extract_bit_field): Ditto.
5311 * expr.c: (convert_move): Ditto.
5312 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5313 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5314 emit_conditional_add,expand_float,expand_fix): Ditto.
5315 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5316 (common_handle_option): Issue warning when -fforce-mem specified.
5318 2005-07-06 Paul Brook <paul@codesourcery.com>
5320 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5322 * configure: Regenerate.
5324 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
5326 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5328 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
5330 Fix PR tree-optimization/22319
5331 Fix PR tree-optimization/22140
5332 Fix PR tree-optimization/22310
5334 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5335 variable sized types.
5336 Use correct type for intermediate structure on *a = *b structure
5339 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5341 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5343 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5344 (machine_function): Move typedef to...
5345 * config/rs6000/rs6000.c (machine_function): ... here. Add
5346 varargs_save_offset field.
5347 (rs6000_stack_t): Remove varargs_size field.
5348 (setup_incoming_varargs): Allocate varargs save area using
5349 assign_stack_local, try to make it as small as possible.
5350 Save offset from virtual_stack_vars_rtx to the save area
5351 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
5352 instead of magic 8 when fp word byte size is used.
5353 (rs6000_va_start): Use cfun->machine->varargs_save_offset
5354 instead of -RS6000_VARARGS_SIZE.
5355 (rs6000_stack_info, debug_stack_info,
5356 rs6000_initial_elimination_offset): Remove all traces of
5358 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5359 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5360 RS6000_VARARGS_AREA.
5362 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5364 PR tree-optimization/21963
5365 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5366 constant_multiple_of in the same way get_computation_cost_at does.
5368 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5370 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5371 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5372 (gen_compare_reg): If sparc_compare_emitted is set, clear it
5373 and return its previous value.
5374 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5375 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5377 (stack_protect_set, stack_protect_test): New expanders.
5378 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5379 stack_protect_testdi): New insns.
5380 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5381 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5383 2005-07-06 Jeff Law <law@redhat.com>
5385 * tree-ssa-dce.c (cfg_altered): New global.
5386 (tree_dce_init): Initialize cfg_altered.
5387 (remove_dead_stmt): If we remove an edge in the CFG, then set
5389 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5392 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5394 * Makefile.in (stamp-collect-ld): Use
5395 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
5396 ./collect-ld if it already exists.
5397 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5398 Don't remove ./nm if it already exists.
5400 2005-07-05 Devang Patel <dpatel@apple.com>
5402 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5403 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5404 * tree-vectorizer.c (vect_loop_location): New.
5405 (vect_print_dump_info): Use vect_loop_location.
5406 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5407 (vectorize_loops): Set vect_loop_location.
5408 * tree-vect-analyze.c (vect_analyze_offset_expr,
5409 vect_determin_vectorization_factor, vect_analyze_operations,
5410 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5411 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5412 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5413 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5414 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5415 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5416 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5417 vect_analyze_loop): Adjust vect_print_dump_info API.
5418 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5419 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5420 vect_finish_stmt_generation, vectorizable_assignment,
5421 vectorizable_operation, vectorizable_store, vectorizable_load,
5422 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5423 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5424 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5425 vect_transform_loop): Same.
5426 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5427 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5430 2005-07-05 Randolph Chung <tausq@debian.org>
5432 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5433 * configure: Regenerate.
5434 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5435 (pa_tls_referenced_p): Declare.
5436 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5437 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5438 (legitimize_tls_address): New.
5439 (hppa_legitimize_address): Handle TLS addresses.
5440 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5441 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5442 (emit_move_sequence): Handle TLS addresses.
5443 (pa_encode_section_info): Call default handler to handle common
5445 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5446 (CONSTANT_ADDRESS_P): Reject TLS operands.
5447 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5448 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5449 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5450 (UNSPEC_TLSLE): Define new constants.
5451 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5452 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5453 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5454 (tie_symbolic_operand, tle_symbolic_operand): New
5456 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
5458 * aclocal.m4: Update macros for autoconf 2.59 style.
5459 * configure.ac: Likewise.
5461 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5463 * pa.c (function_value): Handle small aggregates on 32-bit targets.
5464 (function_arg): Pass small aggregates in general registers on 32-bit
5466 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5468 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
5470 * Makefile.in (final.o): Fix dependencies.
5472 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5476 * langhooks.h (struct lang_hooks): Add expr_to_decl.
5477 * langhooks.c (lhd_expr_to_decl): New.
5478 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5480 (LANG_HOOKS_INITIALIZER): Update.
5481 * tree.c (recompute_tree_invarant_for_addr_expr): Call
5482 expr_to_decl langhook.
5483 * c-tree.h (c_expr_to_decl): Declare.
5484 * c-typeck.c (c_expr_to_decl): New.
5485 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5487 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5489 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5492 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5493 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5495 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
5497 * Makefile.in: Adjust dependencies.
5498 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5499 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5500 * alias.c (rest_of_handle_cfg, pass_cfg): New.
5501 * bb-reorder.c (duplicate_computed_gotos): Make it static.
5502 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5503 rest_of_compilation.
5505 * bb-reorder.c (gate_duplicate_computed_gotos,
5506 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5507 rest_of_handle_reorder_blocks, pass_reorder_blocks,
5508 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5509 pass_partition_blocks): New.
5510 * bt-load.c (gate_handle_branch_target_load_optimize,
5511 rest_of_handle_branch_target_load_optimize,
5512 pass_branch_target_load_optimize): New.
5513 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5515 * cfglayout.c (pass_insn_locators_initialize): New.
5516 * cfgrtl.c (pass_free_cfg): New.
5517 * combine.c (gate_handle_combine, rest_of_handle_combine,
5519 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5520 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5521 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5522 * except.c (pass_set_nothrow_function_flags,
5523 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5525 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5526 rest_of_handle_shorten_branches, pass_shorten_branches,
5527 rest_of_clean_state, pass_clean_state): New.
5528 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5529 rest_of_handle_remove_death_notes, pass_remove_death_notes,
5530 rest_of_handle_life, pass_life, rest_of_handle_flow2,
5532 * function.c (pass_instantiate_virtual_regs, pass_init_function,
5533 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5534 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5535 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5537 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5538 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5539 pass_rtl_ifcvt, gate_handle_if_after_combine,
5540 rest_of_handle_if_after_combine, pass_if_after_combine,
5541 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5542 pass_if_after_reload): New.
5543 * integrate.c (pass_initial_value_sets): New.
5544 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5545 pass_purge_lineno_notes): New.
5546 * mode-switching.c (rest_of_handle_mode_switching,
5547 pass_mode_switching): New.
5548 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5549 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5551 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5552 pass_loop_optimize): New.
5553 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5555 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5557 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5558 pass_postreload_cse): New.
5559 * profile.c (gate_handle_profiling, pass_profiling,
5560 rest_of_handle_branch_prob, pass_branch_prob): New.
5561 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5562 pass_split_before_regstack, gate_handle_split_before_regstack,
5563 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5564 rest_of_handle_split_all_insns, pass_split_all_insns): New.
5565 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5566 pass_stack_regs): New.
5567 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5568 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5569 pass_stack_adjustments): New.
5570 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5571 pass_regrename): New.
5572 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5573 pass_delay_slots, gate_handle_machine_reorg,
5574 rest_of_handle_machine_reorg, pass_machine_reorg): New.
5575 * rtl.h (extern void purge_line_number_notes): New.
5576 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5577 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5579 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5581 * value-prof.c (gate_handle_value_profile_transformations,
5582 rest_of_handle_value_profile_transformations,
5583 pass_value_profile_transformations): New.
5584 * var-tracking.c (gate_handle_var_tracking,
5585 pass_variable_tracking): New.
5586 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5588 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5589 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5590 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5591 rest_of_handle_old_regalloc, rest_of_handle_regrename,
5592 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5593 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5594 rest_of_handle_gcse2, rest_of_handle_regmove,
5595 rest_of_handle_tracer, rest_of_handle_if_conversion,
5596 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5597 rest_of_handle_web, rest_of_handle_branch_prob,
5598 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5599 rest_of_handle_jump_bypass, rest_of_handle_combine,
5600 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5601 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5602 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5603 rest_of_handle_mode_switching, rest_of_handle_jump,
5604 rest_of_handle_eh, rest_of_handle_stack_adjustments,
5605 rest_of_handle_flow2, rest_of_handle_jump2,
5606 rest_of_handle_peephole2, rest_of_handle_postreload,
5607 rest_of_handle_shorten_branches, rest_of_clean_state,
5608 rest_of_compilation): Remove.
5610 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5611 * passes.c (dump_flags, in_gimple_form, all_passes,
5612 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5613 register_dump_files, next_pass_1, last_verified, execute_todo,
5614 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5615 from tree-optimize.c.
5616 (init_optimization_passes): Moved from tree-optimize.c,
5617 adding the RTL optimizations.
5618 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5619 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5620 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5621 register_dump_files, next_pass_1, last_verified, execute_todo,
5622 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5623 init_tree_optimization_passes, ipa_passes): Delete.
5624 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5626 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5627 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5629 (ipa_passes): Remove.
5630 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5631 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5632 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5633 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5634 (dump_info_p, dump_flag): Moved to tree-dump.h.
5636 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5638 * passes.c (finish_optimization_passes): Use dump_begin
5639 and dump_end, TDI_end.
5640 (gate_rest_of_compilation): New.
5641 (pass_rest_of_compilation): Use it.
5642 (gate_postreload, pass_postreload): New.
5643 * toplev.c (general_init): Rename init_tree_optimization_passes.
5644 * toplev.h (init_tree_optimization_passes): Rename to
5645 init_optimizations_passes.
5646 * tree-dump.c (dump_flag): Make static.
5647 (dump_files): Remove RTL dumps.
5648 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5649 pass_cleanup_cfg, pass_free_cfg_annotations,
5650 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5651 pass_init_datastructures, pass_fixup_cfg): Make non-static.
5652 * tree-pretty-print.c: Include tree-pass.h.
5653 * cgraph.c: Include tree-dump.h.
5655 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5657 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5658 Only fall back to saying it points to readonly memory if
5661 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5663 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5664 * config/m32r/m32r.c (m32r_compute_frame_size,
5665 m32r_expand_prologue): Take current_function_profile into
5666 account whenever we reference
5667 current_function_uses_pic_offset_table.
5668 (m32r_finalize_pic): Remove.
5669 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5671 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
5673 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5674 instead of $<. Don't remove ./as if it already exists.
5676 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5679 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5680 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5681 for complex modes when generating code for PA 1.0.
5682 (VALID_FP_MODE_P): New macro.
5683 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5684 sets for all general and floating point modes. Align wide floating
5685 point modes to even register boundaries to comply with architectural
5687 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5688 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5689 (VALID_FP_MODE_P): New macro.
5690 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5691 sets for all general and floating point modes. Align wide floating
5692 point modes to even register boundaries to comply with architectural
5695 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5697 * tree-dump.c (dump_files): Initialize dump number for .cgraph
5700 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5702 * tree-ssa-structalias.c: Don't include expr.h.
5704 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5706 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5709 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5711 Fix PR tree-optimization/22279
5713 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5716 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
5718 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5720 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5722 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5723 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5724 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5725 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5726 config/stormy16/stormy16.c, config/v850/v850.c,
5727 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5728 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5729 Avoid "." or "\n" at end of diagnostics and capital letters at
5730 start of diagnostics.
5731 * combine.c, cse.c: Don't translate dump file output.
5732 * toplev.c (print_version): Only translate output if going to
5735 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5737 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5738 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5741 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5743 * pa.c (fix_range): Fix typo in comment.
5745 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5747 * tree-vrp.c (extract_range_from_assert): Replace
5748 fold (build (...)) with fold_build2.
5750 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5752 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5753 gcc_gfc_char_table, init_dynamic_gfc_info): New.
5754 (format_types_orig, handle_format_attribute): Add support for
5757 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
5759 * varasm.c (assemble_variable): Fix format specifier thinko.
5761 2005-07-03 Ira Rosen <irar@il.ibm.com>
5763 PR tree-optimization/22029 (and 22135)
5764 * tree-pretty-print.c (dump_generic_node): Check that the node is not
5765 a phi node before calling dump_vops.
5767 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5769 * tree-dump.h (dump_string_field): Declare.
5770 * tree-dump.c: Use it instead of dump_string.
5771 (dump_string_field): Make non-static.
5773 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
5775 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5776 up the minimal CFG stuff always when optimize > 0. Call
5777 split_all_insns_noflow in PIC case if needed.
5779 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5780 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5783 * c-decl.c (c_write_global_declarations): Dump contents of
5785 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5786 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5787 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5788 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5791 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5793 * c-common.h (GCC_DIAG_STYLE): Define.
5794 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
5795 version for format checking to 4.1.
5796 * c-format.c: Include toplev.h after c-common.h.
5797 (enum format_type): Add gcc_tdiag_format_type.
5798 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5799 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5800 (format_types_orig): Add gcc_tdiag.
5801 (init_dynamic_diag_info): Support gcc_tdiag formats.
5802 (handle_format_attribute): Likewise.
5803 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5804 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
5805 version for format checking to 4.1.
5806 (warning0, warning, error, pedwarn, sorry): Use
5808 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5809 (finish_aliases_1): Do not use %qE.
5810 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5811 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5812 Correct format bugs.
5813 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5814 parameter to unsigned HOST_WIDE_INT.
5815 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5817 2005-07-02 David Edelsohn <edelsohn@gnu.org>
5820 * expr.c (write_complex_part): Use adjust_address for MEM.
5821 (read_complex_part): Same.
5823 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
5825 Fix PR tree-optimization/22280
5827 * tree-sra.c (generate_element_init): Remove useless loop.
5829 2005-07-02 Richard Henderson <rth@redhat.com>
5831 * config/alpha/alpha.c (alpha_legitimize_address): Check for
5833 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5835 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
5838 * fold-const.c (fold_binary): Handle the return value of
5839 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5840 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5842 2005-07-02 Jeff Law <law@redhat.com>
5844 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5845 a eliminate type conversion which feeds an equality comparison
5846 if the original type or either operand in the comparison is a
5849 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
5851 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5852 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5854 * config/avr/avr.c: Do not use '`' as left quote.
5855 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5856 Remove "." from end of diagnostics. Make diagnostics start with
5859 2005-07-02 Zack Weinberg <zack@codesourcery.com>
5860 Joseph S. Myers <joseph@codesourcery.com>
5862 * toplev.c (default_tree_printer): Handle setting location with
5864 * c-objc.common.c (c_tree_printer): Likewise.
5865 * c-format.c (gcc_diag_flag_specs): Add '+'.
5866 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5867 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5869 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5870 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5871 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5872 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5873 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5874 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
5875 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
5876 format arguments where %J is used without %D.
5878 2005-07-02 Jakub Jelinek <jakub@redhat.com>
5880 * gcc.c (LINK_SSP_SPEC): Define.
5881 (link_ssp_spec): New variable.
5882 (LINK_COMMAND_SPEC): Add %(link_ssp).
5883 (static_specs): Add link_ssp_spec.
5884 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5885 * configure: Rebuilt.
5886 * config.in: Rebuilt.
5888 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5889 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5890 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5891 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5892 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5893 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5894 -0x7008(2) instead of reading __stack_chk_guard variable.
5895 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5897 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5898 (stack_protect_set, stack_protect_test): Use *_tls* patterns
5899 if TARGET_THREAD_SSP_OFFSET is defined.
5900 (stack_tls_protect_set_si, stack_tls_protect_set_di,
5901 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5904 2005-06-27 Richard Henderson <rth@redhat.com>
5905 * libgcc-std.ver (GCC_4.1.0): New.
5906 * libgcc.h (__stack_chk_guard): Declare.
5907 (__stack_chk_fail, __stack_chk_fail_local): Declare.
5908 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5909 * mklibgcc.in (lib2funcs): Add them.
5911 2005-07-01 Richard Henderson <rth@redhat.com>
5913 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5914 void * before struct sigcontext *.
5915 (x86_fallback_frame_state): Likewise.
5917 2005-07-01 James E. Wilson <wilson@specifixinc.com>
5919 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5921 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5924 * tree-ssa-reassoc.c (should_transpose): Fix which operand
5925 we check for SSA_NAME for.
5927 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
5929 Fix PR tree-optimization/22071
5931 * tree-ssa-structalias.c (offset_overlaps_with_access): New
5933 (get_constraint_for_component_ref): Use it.
5935 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5938 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5939 print out the last new line.
5941 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
5943 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5944 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5945 * config/cris/cris.c (cris_conditional_register_usage): Adjust
5946 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5947 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5948 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5949 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5950 (enum reg_class): New member CC0_REGS.
5951 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5952 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5953 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5954 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5955 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5956 Adjust for register now described.
5958 2005-07-01 Jakub Jelinek <jakub@redhat.com>
5961 * config/i386/i386.md (stack_protect_test_si,
5962 stack_protect_test_di): Add earlyclobber for scratch 3.
5963 * config/rs6000/rs6000.md (stack_protect_testsi,
5964 stack_protect_testdi): Add earlyclobber for scratch 3,
5965 remove earlyclobber from scratch 4.
5967 Older entries for 2005 can be found in ChangeLog-2005.