1 2005-09-14 Olivier Hainque <hainque@adacore.com>
3 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4 value if it has side-effects.
6 2005-09-14 David Edelsohn <edelsohn@gnu.org>
9 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
11 2005-09-14 Alan Modra <amodra@bigpond.net.au>
13 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
14 passed as NAME as if it were label at start of function code.
16 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
18 * config/sh/sh.md (*movv4sf_i): Add general register cases to
21 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
23 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
24 as early clobber. Rewrite so the PIC register is not implicitly used.
26 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
28 * tree.c (annotate_with_file_line): Compare line numbers before
31 2005-09-13 Uros Bizjak <uros@kss-loka.si>
34 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
35 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
37 2005-09-13 Ian Lance Taylor <ian@airs.com>
39 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
40 than a HOST_WIDEST_INT to gen_doloop_begin.
42 2005-09-13 Diego Novillo <dnovillo@redhat.com>
44 * tree-dfa.c (dump_variable): Guard against NULL annotations.
46 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
48 PR tree-optimize/23817
49 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
51 2005-09-13 Alan Modra <amodra@bigpond.net.au>
54 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
55 word before changing the stack pointer. Use gen_frame_mem for MEMs.
56 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
57 (restore_stack_nonlocal): Likewise.
58 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
60 2005-09-12 Ian Lance Taylor <ian@airs.com>
63 * c.opt (ffriend-injection): New C++ option.
64 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
65 (C++ Dialect Options): Document -ffriend-injection.
67 2005-09-12 Josh Conner <jconner@apple.com>
70 * ipa-reference.c (static_execute): Don't mark variables in
71 named sections TREE_READONLY.
73 2005-09-12 Alan Modra <amodra@bigpond.net.au>
75 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
78 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
80 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
81 V_MUST_DEF instead of just the first_use_p.
82 Don't mark the virtual variables for renaming on the statement which
84 (pass_dse): Remove TODO_update_ssa.
86 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
89 * stor-layout.c (compute_record_mode): For records with a single
90 field, actually check the field's mode size against the type size.
92 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
93 registers for TARGET_SHMEDIA.
94 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
95 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
96 of GENERAL_REGS and FP_REGS.
98 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
100 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
102 2005-09-12 Alan Modra <amodra@bigpond.net.au>
104 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
105 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
106 are omitted. Exclude stack_tie insn too.
108 2005-09-11 David Edelsohn <edelsohn@gnu.org>
110 PR rtl-optimization/23098
111 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
113 * config/rs6000/rs6000.md (movdf splitter): Use
114 const_double_operand predicate for TARGET_POWERPC64.
115 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
116 SYMBOL_REF method to ABI_V4.
118 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
119 replace_equiv_address.
120 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
121 rs6000_sr_alias_set and MEM_NOTRAP.
122 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
124 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
126 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
127 handle CALL_EXPR again.
129 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
131 * arm/predicates.md (alignable_memory_operand): Delete.
133 2005-09-10 Richard Henderson <rth@redhat.com>
136 * dbxout.c (dbxout_expand_expr): New.
137 (dbxout_symbol): Use it.
139 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
141 * arm.c (arm_gen_rotated_half_load): Delete.
142 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
143 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
144 (thumb_set_return_address): Likewise.
145 (thumb_load_double_from_address): Use adjust_address.
146 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
147 (extendhsisi2_mem, movhi_bytes): Use change_address.
148 (movhi): Use widen_memory_access.
149 (reload_out_df): Use replace_equiv_address.
150 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
152 2005-09-09 Richard Henderson <rth@redhat.com>
155 * dbxout.c: Include expr.h.
156 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
157 (dbxout_symbol): Handle DECL_VALUE_EXPR.
158 * Makefile.in (dbxout.o): Add EXPR_H.
160 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
162 PR tree-optimization/23509
163 * tree-cfg.c (replace_uses_by): Use replace_exp.
164 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
165 pointers have name_mem_tag or type_mem_tag set.
167 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
169 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
170 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
171 of wrongly accessing operands.
173 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
175 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
176 * tree-chrec.c: Include tree-scalar-evolution.h.
177 (chrec_convert): Instantiate the base and step before calling
178 scev_probably_wraps_p that would fail on parametric evolutions.
179 Collect all the fails into a single section failed_to_convert,
180 print a diagnostic, and return chrec_dont_know instead of calling
182 * tree-scalar-evolution.c (loop_closed_phi_def): New.
183 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
185 (scev_const_prop): Don't replace the definition of a loop closed ssa
186 phi node by itself, or by another loop closed ssa phi node.
187 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
188 that base and step are defined.
190 2005-09-09 Richard Guenther <rguenther@suse.de>
193 * fold-const.c (fold_ternary): Check truth_value_p before
194 calling invert_truthvalue.
196 2005-09-09 Nick Clifton <nickc@redhat.com>
198 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
199 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
200 dimension of these arrays.
201 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
203 * longlong.h: Only provide a prototype for the __clz_tab[] array
204 if this header has not been included from libgcc2.h.
205 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
207 Provide prototypes for exported functions.
208 Use the __clz_tab[] and __popcount_tab[] arrays provided by
211 2005-09-08 Josh Conner <jconner@apple.com>
215 * expr.c (expand_expr_addr_expr_1): Don't invoke
216 expand_simple_binop for EXPAND_INITIALIZER.
218 2005-09-08 Richard Henderson <rth@redhat.com>
221 * toplev.c (wrapup_global_declaration_1): Split out ...
222 (wrapup_global_declaration_2): ... from ...
223 (wrapup_global_declarations): ... here. Return bool.
224 (check_global_declaration_1): Split out ...
225 (check_global_declarations): from here.
226 (emit_debug_global_declarations): New.
227 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
228 check_global_declaration_1, emit_debug_global_declarations): Declare.
229 * c-decl.c (c_write_global_declarations_1): Don't create a vector
230 of decls. Call wrapup_global_declaration_1,
231 wrapup_global_declaration_2, check_global_declaration_1 directly.
232 (c_write_global_declarations_2): New.
234 (c_write_global_declarations): Call c_write_global_declarations_2.
235 * langhooks.c (write_global_declarations): Call
236 emit_debug_global_declarations.
238 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
239 remove decls that have DECL_RTL_SET_P.
240 * passes.c (rest_of_decl_compilation): Invoke
241 cgraph_varpool_finalize_decl for all but functions.
243 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
245 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
246 the result of a conversion if the new min and max cannot be compared.
248 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
250 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
251 (override_options): Setting s390_sr_alias_set removed.
252 (save_fpr, save_gprs): Set alias set to vararg or frame.
253 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
254 s390_sr_alias_set with get_frame_alias_set ().
255 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
256 get_varargs_alias_set ().
258 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
262 * c-parser.c (c_parser_objc_method_definition): If the next
263 token is not "{", error out and don't start the function.
265 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
267 * tree-vrp.c (extract_range_from_expr): Move the check for non
268 nullness after the check for gimple invariant.
270 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
272 * tree.c (host_integerp, tree_low_cst): Correct function comment.
274 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
277 * config/m32r.md (movmemsi_internal): Canonicalize order of
278 operands in PLUS component of template.
280 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
282 * reload1.c (fixup_eh_region_note): Remove assertion.
283 (fixup_abnormal_edges): Reverted removal of call to
284 find_many_sub_basic_blocks made on 2005-08-31.
286 2005-09-07 Richard Henderson <rth@redhat.com>
288 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
289 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
290 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
291 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
292 rearrange for better packing.
293 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
294 (lookup_cfa_1): Remove inline marker.
295 (cfa_equal_p): Split out of ...
296 (def_cfa_1): ... here. Use INVALID_REGNUM.
297 (build_cfa_loc): Handle !cfa->indirect.
298 (frame_pointer_cfa_offset): New.
299 (dbx_reg_number): Assert register elimination performed; do
300 leaf register remapping.
301 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
302 (eliminate_reg_to_offset): New.
303 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
304 for verifiably local stack frame addresses; re-base to CFA.
305 (mem_loc_descriptor): Remove can_use_fbreg argument.
306 (concat_loc_descriptor, loc_descriptor): Likewise.
307 (containing_function_has_frame_base): Remove.
308 (rtl_for_decl_location): Don't do register elimination or
309 leaf register remapping here.
310 (secname_for_decl): Split out from ..
311 (add_location_or_const_value_attribute): ... here.
312 (convert_cfa_to_loc_list): New.
313 (compute_frame_pointer_to_cfa_displacement): New.
314 (gen_subprogram_die): Use them.
315 * tree.h (frame_base_decl): Remove.
316 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
317 (prologue_stack_adjust): Remove.
318 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
319 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
320 (set_frame_base_location): Remove.
321 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
322 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
323 (vt_add_function_parameters): Don't eliminate_regs.
324 (vt_initialize): Don't create frame_base_decl.
326 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
328 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
329 version of GNU binutils for 4.x and later.
331 2005-09-06 Mark Mitchell <mark@codesourcery.com>
333 * ggc-page.c (ggc_push_context): Remove.
334 (ggc_pop_context): Likewise.
335 * ggc.h (ggc_push_context): Remove.
336 (ggc_pop_context): Likewise.
338 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
341 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
342 returning from an interrupt handler.
344 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
347 * config/arc/arc.c (output_shift): Add check for loop count when
350 2005-09-06 Steven Bosscher <stevenb@suse.de>
352 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
354 (abs_replacement): Likewise.
355 (pass_phiopt): Remove TODO_update_ssa.
357 2005-09-06 Jakub Jelinek <jakub@redhat.com>
360 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
361 if "return with no value, in function returning non-void" warning
363 * tree-cfg.c (execute_warn_function_return): Don't look at
364 RETURN_EXPRs with TREE_NO_WARNING set.
367 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
368 for internal functions doesn't use registers used by global registers
369 variables. Use fewer register parameters if there are global register
372 2005-09-06 Olivier Hainque <hainque@adacore.com>
373 Eric Botcazou <ebotcazou@adacore.com>
376 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
377 when we would be extracting outside its bit span (bitpos+bitsize
378 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
379 Ada unchecked conversions.
381 2005-09-06 Steven Bosscher <stevenb@suse.de>
383 * tree-ssa-pre.c (try_look_through_load): New function.
384 (compute_avail): Use it to try to look through loads for some
385 more useful expressions.
387 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
389 * simplify-rtx.c (simplify_binary_operation_1): Correct the
390 condition for detecting cases like (a&a) and (a^a).
392 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
394 * common.opt: Add option ftree-vect-loop-version.
395 * params.def: Add --param vect-max-version-checks.
396 * doc/invoke.texi: Document ftree-vect-loop-version and
397 --param vect-max-version-checks.
398 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
399 may_misalign_stmts and defines for accessors.
400 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
401 LOOP_VINFO_MAY_MISALIGN_STMTS.
402 (destroy_loop_vec_info): VEC_free for
403 LOOP_VINFO_MAY_MISALIGN_STMTS.
404 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
405 Update documentation.
406 (vect_update_misalignment_for_peel): New.
407 (vect_enhance_data_refs_alignment): Update to choose loop
408 peeling or loop versioning if appropriate for the (potentially)
409 unaligned data references in the loop.
410 (vect_analyze_data_refs_alignment): Remove call to
411 vect_enhance_data_refs_alignment so the checks can be done
413 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
414 and move up call to vect_analyze_data_refs_alignment.
415 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
416 (vect_transform_loop): Add call to loop_version.
418 2005-09-06 Jakub Jelinek <jakub@redhat.com>
420 PR rtl-optimization/23098
421 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
422 * simplify-rtx.c (constant_pool_reference_p): New function.
423 * rtl.h (constant_pool_reference_p): New prototype.
424 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
425 constant_pool_reference_p in condition and
426 avoid_constant_pool_reference in preparation statements.
428 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
430 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
431 STRICT_LOW_PART SETs.
433 2005-09-06 Alan Modra <amodra@bigpond.net.au>
436 * except.c (sjlj_emit_function_enter): Find the function begin
437 note even when it's not in first basic block.
439 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
441 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
442 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
443 * aclocal.m4: Regenerate.
445 2005-09-05 DJ Delorie <dj@redhat.com>
447 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
450 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
452 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
453 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
454 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
455 Follow spelling conventions.
456 * doc/invoke.texi: Follow spelling conventions.
458 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
460 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
461 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
462 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
464 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
467 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
468 (output_stack_adjust): Use gen_tmp_stack_mem.
469 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
470 (sh_set_return_address, sh_allocate_initial_value): Likewise.
471 (sh_get_pr_initial_val): Likewise.
472 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
473 (sh_initialize_trampoline): Likewise. Also use adjust_address.
474 * sh.md (divsi_inv_m0): Use gen_const_mem.
475 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
476 (movdf_i4+1): Use gen_tmp_stack_mem.
477 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
478 (fpu_switch+2): Likewise.
479 (movv4sf_i, movv16sf_i): Use adjust_address.
480 (symGOT_load): Set MEM_NOTRAP_P bit.
482 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
485 * pa.c (emit_move_sequence): Fix typo in last change.
487 2005-09-03 Jakub Jelinek <jakub@redhat.com>
489 PR rtl-optimization/23454
490 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
493 2005-09-03 Richard Henderson <rth@redhat.com>
494 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
497 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
500 2005-09-02 Nicolas Pitre <nico@cam.org>
502 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
503 to bit_count to 32 bits.
505 2005-08-31 Mark Mitchell <mark@codesourcery.com>
508 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
509 generating synthetic loads from volatile lvalues.
511 005-09-02 Nick Clifton <nickc@redhat.com>
513 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
514 __ctzhi2, __clzhi2): New functions.
516 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
519 * tree-nested.c (struct var_map_elt): Mark with GTY.
520 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
522 (lookup_field_for_decl): Allocate new element in GC memory.
523 (lookup_tramp_for_decl): Likewise.
524 (convert_nl_goto_reference): Likewise
525 (create_nesting_tree): Allocate info in GC memory. Likewise for
527 (free_nesting_tree): Free with ggc_free instead of free.
528 (root): New static variable.
529 (lower_nested_functions): Remove root as local variable. And zero out
530 root at the end of the function.
532 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
534 PR rtl-optimization/20365
535 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
536 to short. New member ix.
537 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
538 (simplify_plus_minus): Initialize ix members before calling qsort.
540 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
542 PR tree-optimization/23626
543 * tree-cfg.c (replace_uses_by): Clean up eh info.
545 2005-09-01 DJ Delorie <dj@redhat.com>
547 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
550 2005-09-01 David Edelsohn <edelsohn@gnu.org>
552 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
553 (rs6000_split_multireg_move): Use replace_equiv_address instead of
556 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
558 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
559 do not issue warning for a variable definition following
562 2005-09-01 Richard Henderson <rth@redhat.com>
565 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
566 conversion to CONST_VECTOR.
568 2005-09-01 Richard Henderson <rth@redhat.com>
571 * reload1.c (reload_as_needed): Check !CALL_P before calling
572 fixup_eh_region_note.
573 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
575 2005-09-01 DJ Delorie <dj@redhat.com>
577 * varasm.c (output_constant): Let the target resolve
578 conversions of addresses to non-default pointer sizes.
580 2005-09-01 Nicolas Pitre <nico@cam.org>
582 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
583 to alow matching ARM pre-indexed addressing mode.
584 (arm_override_options): Remove now irrelevant comment.
586 2005-09-01 Phil Edwards <phil@codesourcery.com>
588 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
589 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
590 * config/i386/vxworks.h: Likewise.
591 * config/i386/t-vxworksae: New file, for VxWorks AE.
592 * config/i386/vxworksae.h: Likewise.
594 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
596 PR tree-optimization/23410
597 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
598 sequence is not wrapping during the first step.
600 2005-09-01 Jakub Jelinek <jakub@redhat.com>
603 * dwarf2out.c (base_type_die): Compare char_type_node with
604 TYPE_MAIN_VARIANT (type), not type.
606 2005-09-01 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/15366
609 * common.opt: Add -finline-functions-called-once.
610 Put -fearly-inlining in alphabetically ordered place.
611 * doc/invoke.texi: Document new option.
612 * ipa-inline.c (cgraph_decide_inlining): Honour
613 flag_inline_functions_called_once.
615 2005-09-01 Jakub Jelinek <jakub@redhat.com>
617 PR rtl-optimization/23478
618 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
619 (alloc_qty): Initialize it.
620 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
621 (combine_regs): Combine also n_throwing_calls_crossed fields.
622 (find_free_reg): Don't attempt to caller-save pseudos crossing
623 calls that might throw.
624 * global.c (struct allocno): Add throwing_calls_crossed field.
625 (global_alloc): Revert 2005-08-22 change. Initialize
626 throwing_calls_crossed.
627 (find_reg): Don't attempt to caller-save pseudos crossing calls that
630 2005-09-01 Alan Modra <amodra@bigpond.net.au>
633 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
634 (mask64_operand): Reinstate code prior to 2005-06-11 change.
635 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
636 (and64_2_operand): Tweak to use predicate.
637 (and_operand): Adjust for mask_operand changes.
638 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
639 (print_operand): Likewise.
640 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
641 (mask64_1or2_operand): Delete.
642 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
643 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
644 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
645 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
646 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
647 (rotldi3_internal4): Likewise.
648 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
649 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
650 (ashldi3_internal7): Likewise.
651 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
652 (ashldi3_internal, ashldi3_internal9 split): Likewise.
653 (anddi3 split): Don't match mask64_operand.
654 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
655 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
656 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
657 't' splitter predicate.
658 (movdi_internal64 + 2): Revert 2005-06-11 change.
660 2005-08-31 DJ Delorie <dj@redhat.com>
662 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
663 (m32c_asm_integer): Add support for 32 bit pointers.
665 2005-08-31 Richard Henderson <rth@redhat.com>
667 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
668 component-like references for setting MEM_NOTRAP_P.
670 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
671 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
673 2005-08-31 Richard Henderson <rth@redhat.com>
675 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
676 into a pseudo before applying gen_lowpart.
678 2005-08-31 Geoffrey Keating <geoffk@apple.com>
680 * doc/install.texi (Specific): Update cctools version required
681 for full functionality.
682 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
683 linkers as -macosx_version_min.
685 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
688 * sh.c (print_operand, %R and %S): Add handling of floating point
689 registers, memory, constants and invalid operands.
691 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
693 * ipa-pure-const.c: Change dump name.
695 2005-08-31 Uros Bizjak <uros@kss-loka.si>
698 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
699 to "reg_or_0_operand".
700 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
702 2005-08-31 Dale Johannesen <dalej@apple.com>
704 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
705 loops that count down.
707 2005-08-31 Richard Henderson <rth@redhat.com>
710 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
711 (fixup_eh_region_note): New.
712 (reload_as_needed): Call it.
713 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
714 don't call find_many_sub_basic_blocks; call verify_flow_info.
715 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
716 (keep_stack_depressed): Likewise.
717 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
719 2005-08-31 Richard Henderson <rth@redhat.com>
721 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
724 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
726 * expr.c (expand_expr_real_1): Compare size of address
727 mode to target's address mode size in deciding expansion of
728 the constant address.
730 2005-08-31 Richard Guenther <rguenther@suse.de>
733 * expr.c (all_zeros_p): New function.
734 (expand_expr_real_1): Handle the case of an all-zero
735 non-addressable constructor separately.
737 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
739 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
740 arguments, adjust all callers.
741 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
743 2005-08-30 Richard Henderson <rth@redhat.com>
746 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
747 whenever the mode sizes match.
749 2005-08-31 Alan Modra <amodra@bigpond.net.au>
751 * calls.c (load_register_parameters): Fix comment typo.
752 * expr.c (emit_push_insn): Comment formatting.
754 2005-08-30 Ian Lance Taylor <ian@airs.com>
756 * config/i386/x-cygwin (host-cygwin): Change dependency from
757 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
759 2005-08-29 Geoffrey Keating <geoffk@apple.com>
761 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
764 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
767 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
770 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
773 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
774 beginning. Remove $(INCLUDES) from all the rules, if following
775 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
777 2005-08-29 Jakub Jelinek <jakub@redhat.com>
780 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
781 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
782 not constant, but maxlen is, don't set len to maxlen, rather
783 set maxlen to len if len is a constant.
785 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
787 PR tree-optimization/23475
788 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
791 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
793 Fix PR middle-end/22455
795 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
796 Checksum only the parts of the tree that exist for the tree code.
798 2005-08-28 Dale Johannesen <dalej@apple.com>
800 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
802 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
804 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
806 2005-08-28 Richard Henderson <rth@redhat.com>
808 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
809 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
812 2005-08-28 Jakub Jelinek <jakub@redhat.com>
815 * builtins.c (get_memory_rtx): Don't strip nops
816 in between COMPONENT_REFs.
818 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
821 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
823 (gimplify_modify_expr): Check for zero sized types and gimplify the
824 rhs and lhs as statements.
826 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
829 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
830 state for return address column of signal frames.
832 2005-08-27 David Edelsohn <edelsohn@gnu.org>
835 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
836 bytes >= 2 not bytes == 2.
837 (expand_block_move): Same.
839 2005-08-27 Richard Guenther <rguenther@suse.de>
842 * config/i386/sse.md (sse2_movsd): Add missing closing
845 2005-08-27 Paul Brook <paul@codesourcery.com>
847 * genrecog.c (enum decision_type): Add DT_num_insns.
848 (struct decision_test): Add u.num_insns.
849 (add_to_sequence): Add DT_num_insns test.
850 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
851 (write_cond, debug_decision_2): Ditto.
852 (change_state): Assume peep2_next_insn never fails.
853 Remove "afterward" argument.
854 (write afterward, write_tree): Update to match.
855 * recog.c (peep2_current_count): New variable.
856 (peep2_next_insn): Check it.
857 (peephole2_optimize): Set peep2_current_count.
858 * recog.h (peep2_current_count): Declare.
860 2005-08-26 Josh Conner <jconner@apple.com>
863 * ipa-pure-const.c (check_tree): Check for volatile-ness
864 when considering a dereference.
866 2005-08-27 Jakub Jelinek <jakub@redhat.com>
868 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
870 2005-08-26 Jakub Jelinek <jakub@redhat.com>
872 PR rtl-optimization/23561
873 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
874 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
875 at most LEN bytes long memory fits into the field.
876 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
877 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
878 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
880 2005-08-26 Richard Henderson <rth@redhat.com>
883 * loop.c (biased_biv_may_wrap_p): New.
884 (maybe_eliminate_biv_1): Use it to suppress non-equality
885 comparison transformations. Delete disabled code.
887 2005-08-26 Ian Lance Taylor <ian@airs.com>
889 * combine.c (make_extraction): Avoid reference outside object.
891 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
893 * stor-layout.c (finalize_type_size): Restore behaviour for
894 non-aggregate types to the status quo ante of the patch for
895 pr 23467. Document why it matters.
897 2005-08-26 Jakub Jelinek <jakub@redhat.com>
900 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
901 array by one element, initialize the BT_LAST element with NULL.
903 2005-08-26 David Edelsohn <edelsohn@gnu.org>
905 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
908 (compare_plus_eqsi): Same.
909 (plus_eqsi_compare): Same.
910 (neg_eq0<mode>): Same.
911 (neg_eq<mode>): Same.
913 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
916 2005-08-26 Nick Clifton <nickc@redhat.com>
918 * config/v850/v850.c (ep_memory_operand): Return FALSE if
919 TARGET_EP is not defined.
920 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
921 TARGET_EP is enabled.
922 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
923 * config/v850/v850.md (save_all_interrupt): Only use the EP
924 register if TARGET_EP is defined.
925 (restore_all_interrupt): Likewise.
926 * config/v850/lib1funcs.asm: Update functions so that the EP
927 register is only used if __EP__ is defined.
929 2005-08-26 David Ung <davidu@mips.com>
931 * config/mips/mips.c (mips_expand_prologue): Handle case when
932 generating for MIPS16 and the outgoing argument area is more than
933 SMALL_OPERAND. Use the frame pointer as temporary to generate the
936 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
938 * config/crx/crx.md: Make doloop_end pattern usage controllable
939 via mloop-nesting=<max-nesting> command line switch. Make sure
940 the combiner cannot use doloop_end_<mode> in an illegal way.
941 * config/crx/crx.c: Use regs up to r6 for argument passing.
942 Refine crx_address_cost (non cst4 displacements are expensive).
943 * config/crx/crx.opt: Add switch for mloop-nesting=.
945 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
947 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
948 (UNSPEC_MVST): New constant.
950 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
952 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
953 Reject operands containing eliminable registers.
954 * testsuite/gcc.dg/20050825-1.c: New testcase.
956 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
957 Jan Hubicka <jh@suse.cz>
959 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
961 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
963 PR tree-optimization/23546
964 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
967 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
969 * params.def (PARAM_MIN_SPEC_PROB): New.
970 * sched-rgn.c (MIN_PROBABILITY): Delete.
971 (compute_trg_info): Convert to PARAM_VALUE.
972 * doc/invoke.texi (param): Document min-spec-prob.
974 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
976 * config/darwin.h: define __PIC__
977 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
978 TARGET_OS_CPP_BUILTINS macro.
980 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
982 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
985 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
987 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
989 * cfghooks.c (duplicate_block): Added position where to place
990 new block as argument.
991 * cfghooks.h (duplicate_block): Declaration changed.
992 * cfglayout.c (copy_bbs): Add argument after. Pass it to
994 * cfglayout.h (copy_bbs): Declaration changed.
995 * cfgloop.h (loop_version): Declaration changed.
996 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
997 position to copy_bbs.
998 (loop_version): Pass position to duplicate_loop_to_header_edge.
999 Add place_after argument and position new blocks according to
1001 * modulo-sched.c (sms_schedule): Pass place_after argument
1003 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1004 * tree-cfg.c (split_edge_bb_loc): New function.
1005 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1006 to determine position of new blocks.
1007 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1009 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1010 argument to duplicate_block.
1011 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1012 Pass position to copy_bbs.
1014 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1016 * fold-const.c (ptr_difference_const): Use
1017 cst_and_fits_in_hwi instead of host_integerp.
1019 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1021 * config/darwin.c (gen_pic_offset): New.
1022 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1025 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1027 PR tree-optimization/23486
1028 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1030 2005-08-23 Phil Edwards <phil@codesourcery.com>
1032 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1033 remove use_collect2.
1034 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1036 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1037 configuration files to override the default value.
1039 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1040 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1041 * config/vx-common.h: New file, split out from...
1042 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1043 * config/vxworksae.h: New file, for VxWorks AE.
1044 * config/vxworks.opt: New file.
1045 * config/vxlib.c: Update for VxWorks 6.
1047 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1048 other MULTILIB_* variables appropriately.
1049 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1050 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1051 * config/rs6000/vxworks.h: Update for VxWorks 6.
1052 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1054 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1057 * config/darwin.c (machopic_select_section): Remove the hack to
1058 mark "::operator new" and "::operator delete" for coalescing
1059 even though they are not weak.
1061 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1063 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1064 * configure: Regenerate.
1066 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1069 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1071 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1072 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1075 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1077 * config/rs6000/predicates.md (equality_operator): New.
1078 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1079 comparison with a large constant.
1081 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1083 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1085 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1087 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1088 registers is even, and we have a hardware double precision fp,
1090 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1091 size of current argument when checking if argument was passed in
1094 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1097 * stor-layout.c (finalize_type_size): Dont override
1098 existing alignment with a smaller alignment from the mode.
1100 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1102 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1103 * lambda.h (lambda_vector_lexico_pos): ... here.
1104 * tree-data-ref.c (build_classic_dist_vector): Return false when
1105 the distance vector is lexicographically negative.
1107 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1109 PR tree-optimization/23511
1110 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1111 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1113 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1115 PR tree-optimization/22043
1116 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1117 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1118 If ALLOW_FLEXARR, handle types ending with flexible array member.
1119 Pass false as second argument to recursive count_type_elements calls.
1120 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1121 argument to count_type_elements call.
1122 * tree-sra.c (decide_block_copy): Likewise.
1123 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1124 for a constant-sized object, set cleared as well. Pass true as
1125 second argument to count_type_elements call.
1127 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1130 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1131 from legitimate_small_data_p, and make global. Update use.
1132 Remove forward declaration.
1133 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1135 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1137 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1139 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1140 of scratch intermediates.
1141 (eq<mode>_compare): Same.
1142 (neg_eq0<mode>): New.
1143 (neg_eq<mode>): Convert to define_insn_and_split.
1145 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1148 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1149 stdarg functions, set/clear the fp marker even when no variable
1151 * config/rs6000/sysv4.opt (mprototype): Describe.
1153 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1155 PR rtl-optimization/23478
1156 * regs.h (reg_info): Add throw_calls_crossed.
1157 (REG_N_THROWING_CALLS_CROSSED): Define.
1158 * flow.c (allocate_reg_life_data): Initialize
1159 REG_N_THROWING_CALLS_CROSSED.
1160 (propagate_one_insn, attempt_auto_inc): Update
1161 REG_N_THROWING_CALLS_CROSSED.
1162 * global.c (global_alloc): Don't allocate pseudos across
1163 calls that may throw.
1165 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1168 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1169 value is inbetween the range if we did not find an exact match.
1171 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1173 * doc/invoke.texi (Option Summary): Add ms1 options.
1174 * doc/extend.texi: Document interrupt handler attribute for ms1.
1175 * doc/md.texi: Document ms1 constraints.
1176 * config.gcc: Add ms1-*-elf.
1177 * config/ms1/ms1.h: New.
1178 * config/ms1/ms1.c: New.
1179 * config/ms1/ms1.md: New.
1180 * config/ms1/ms1-protos.h: New.
1181 * config/ms1/ABI.txt: New.
1182 * config/ms1/crti.asm: New.
1183 * config/ms1/crtn.asm: New.
1184 * config/ms1/lib2extra-funcs.c: New.
1185 * config/ms1/t-ms1: New.
1186 * config/ms1/ms1.opt: New.
1188 2005-08-22 Ira Rosen <irar@il.ibm.com>
1190 * config/rs6000/altivec.md (xorv4sf3): New.
1191 (negv4sf2, neg<mode>2): Likewise.
1193 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1196 * config/ia64/ia64.md (divsi3): Check divide by zero.
1197 (udivsi3): Likewise.
1199 (udivdi3): Likewise.
1201 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1203 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1204 up to elem_bitsize bits, not max_bitsize.
1206 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1208 PR tree-optimization/23433
1209 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1210 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1212 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1214 PR tree-optimization/23434
1215 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1216 the iteration bound is not an INTEGER_CST.
1218 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1220 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1221 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1222 NULL if need_epilog_adjust is false.
1223 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1224 Case 3 always peels first itration, not just for PLUS case, and no need
1225 to use scalar_initial_def here. Create an epilog adjustment only if
1226 scalar_initial_def is not NULL.
1228 (vectorizable_reduction): Remove assert.
1230 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1233 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1234 (__moddi3): Likewise.
1235 (__udivdi3): Likewise.
1236 (__umoddi3): Likewise.
1237 (__divsi3): Likewise.
1238 (__modsi3): Likewise.
1239 (__udivsi3): Likewise.
1240 (__umodsi3): Likewise.
1242 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1244 * tree-pass.h (TDF_GRAPH): Define.
1245 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1246 * passes.c (finish_optimization_passes): Only call
1247 finish_graph_dump_file if TDF_GRAPH is set.
1248 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1249 NULL. Set TDF_GRAPH bit.
1250 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1252 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1254 * arm.h (arm_stack_offsets): Add locals_base field.
1255 * arm.c (arm_get_frame_offsets): Compute it.
1256 (thumb_compute_initial_elimination offset): Make the Thumb frame
1257 pointer point to the base of the local variables.
1258 (thumb_expand_prologue): Update accordingly.
1259 (thumb_expand_epilogue): Likewise.
1261 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1262 mode of clobbered scratch to DImode. Handle a case that's known to
1265 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1267 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1268 (gt0<mode>_compare): Delete.
1269 (neg_gt0<mode>): Delete.
1271 2005-08-19 Eric Christopher <echristo@apple.com>
1273 * optabs.h: Change CTI_ to COI_.
1276 2005-08-19 James E Wilson <wilson@specifix.com>
1278 * builtins.c (expand_builtin_return_addr): Set
1279 current_function_accesses_prior_frames when count != 0. Use
1280 frame_pointer_rtx when count == 0.
1281 * function.h (struct function): Add accesses_prior_frames field.
1282 (current_function_accesses_prior_frames): Define.
1283 * reload1.c (init_elim_table): Check
1284 current_function_accesses_prior_frames.
1285 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1287 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1289 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1290 indicator. Return true if the flowgraph changed during
1293 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1296 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1297 conditional expression before testing its value.
1299 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1301 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1303 2005-08-19 Devang Patel <dpatel@apple.com>
1305 PR tree-optimization/23048
1306 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1307 third parameter. Check whether latch is dominated by exit
1309 (if_convertible_loop_p): Supply exit block itself to
1310 if_convertible_bb_p.
1312 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1315 * arm.md (arm_load_pic_register): Change argument to the mask of
1316 saved registers. Call thumb_find_work_register if we need a
1317 scratch register on Thumb.
1318 (arm_expand_prologue): Pass empty register set to
1319 arm_load_pic_register.
1320 (thumb_expand_prologue): Pass live_regs_mask directly to
1321 arm_load_pic_register.
1322 * arm-protos.h (arm_load_pic_register): Update prototype.
1324 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1326 * sh.c (find_sole_member): New function.
1327 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1328 if the record's alignment is larger than the size of its only member.
1330 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1333 * arm.c (thumb_legitimize_reload_address): New function.
1334 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1335 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1337 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1339 * config/crx/crx.c: Implement crx_decompose_address. Reject
1340 symbolic displacements since CRX register relative adressing
1341 mode can't handle unsigned 32-bit values as displacements.
1342 * config/crx/crx.h: Simplify definitions, remove redundant
1343 parenthesis and obsolete macros.
1344 * config/crx/crx.opt: Add new switch for debugging addresses.
1345 * config/crx/crx-protos.h: Add new declarations for above.
1347 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1350 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1353 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1355 * collect2.c (dup2): Delete.
1356 * configure.ac: Don't check for dup2.
1358 * config.in, configure: Regenerate.
1360 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1362 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1363 record with the type of its only member.
1365 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1367 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1368 define_insn_and_split.
1369 (plus_ltu<mode>_compare): Same.
1370 (gtu<mode>_compare): Same.
1371 (plus_gtu<mode>_compare): Same.
1373 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1375 PR tree-optimization/22228
1376 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1378 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1379 are recorded in vect_vnames_to_rename for renaming.
1380 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1381 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1382 in vect_vnames_to_rename.
1383 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1384 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1386 2005-08-18 Jan Hubicka <jh@suse.cz>
1389 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1390 info only for local statics, not for member variables.
1392 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1394 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1396 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1398 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1400 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1403 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1405 2005-08-17 James E Wilson <wilson@specifix.com>
1407 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1410 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1412 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1413 (leu<mode>_compare): Same.
1414 (plus_leu<mode>): Same.
1415 (neg_leu<mode>): Same.
1416 (and_neg_leu<mode): Same.
1417 (ltu<mode>_compare): Same.
1418 (plus_ltu<mode>): Same.
1420 (geu<mode>_compare): Same.
1421 (plus_geu<mode>): Same.
1422 (neg_geu<mode>): Same.
1423 (and_neg_geu<mode>): Same.
1424 (plus_gt<mode>): Same.
1425 (gtu<mode>_compare): Same.
1426 (plus_gtu<mode>): Same.
1428 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1430 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1431 Move call_table_data to end. Delete spurious .text.
1432 (callt_save_all_interrupt): Fix comment typo.
1434 2005-08-17 James E Wilson <wilson@specifix.com>
1435 Kevin Winchester <winchester@amirix.com>
1438 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1440 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1443 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1444 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1446 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1448 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1449 record with the type of its only member if the modes don't match.
1451 * varasm.c (decode_reg_name): Skip empty additional register names.
1453 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1455 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1456 lsm_tmp_name_length): New.
1457 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1458 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1460 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1461 Andreas Krebbel <krebbel1@de.ibm.com>
1463 * config.gcc: Added z9-109 switch.
1464 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1465 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1466 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1467 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1468 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1469 for "z9_109" cpu attribute.
1470 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1471 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1472 (s390_handle_arch_option): Added z9-109 switch.
1473 (override_options): Set respective cost function for z9-109.
1474 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1475 (legitimate_reload_constant_p): Accept extended immediates.
1476 (print_operand): Three new output modifiers added: k, m and o.
1477 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1478 (s390_output_mi_thunk): Use extended immediate when possible.
1479 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1480 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1481 (CONSTRAINT_LEN): Added length of O constraint.
1482 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1483 * config/s390/s390.md ("cpu"): New value z9_109 added.
1484 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1485 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1486 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1487 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1488 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1489 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1490 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1491 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1492 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1493 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1494 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1495 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1496 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1497 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1498 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1500 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1501 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1502 insns for TARGET_EXTIMM.
1504 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1506 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1508 2005-08-17 Nick Clifton <nickc@redhat.com>
1510 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1511 Call default_encode_section_info.
1513 2005-08-17 Steven Bosscher <stevenb@suse.de>
1515 PR tree-optimization/21574
1516 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1517 constant, return CONSTANT.
1518 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1519 (ccp_fold, visit_assignment): Likewise.
1520 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1522 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1524 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1525 fold_buildN instead of buildN then fold_initializer or fold.
1526 (build_unary_op): Likewise.
1527 (build_binary_op): Likewise.
1528 * fold-const.c (fold_initializer): Remove.
1529 (fold_build1_initializer): New function.
1530 (fold_build2_initializer): New function.
1531 (fold_build3_initializer): New function.
1532 * tree.h (fold_initializer): Remove.
1533 (fold_build1_initializer): New function.
1534 (fold_build2_initializer): New function.
1535 (fold_build3_initializer): New function.
1537 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1539 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1540 (try_move_mult_to_index): Call fold_build2 instead of build2.
1541 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1542 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1543 fold_binary_to_constant.
1544 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1546 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1547 check if A == gcd (A, B). Remove TYPE argument.
1548 (analyze_offset) Use fold_build2 instead of fold (build.
1549 (create_data_ref): Likewise.
1550 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1551 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1554 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1556 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1557 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1559 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1562 * gimplify.c (zero_sized_type): New function.
1563 (gimplify_modify_expr_rhs): If we have a zero sized type,
1564 replace the statement with an empty statement.
1566 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1568 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1571 2005-08-16 Ian Lance Taylor <ian@airs.com>
1573 * doc/tm.texi (Label Output): Correct typo.
1575 2005-08-16 Steven Bosscher <stevenb@suse.de>
1578 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1579 force_operand will work later on using have_insn_for.
1581 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1583 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1585 2005-08-16 Ian Lance Taylor <ian@airs.com>
1588 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1589 vector type, don't try to construct it element by element. Add an
1590 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1592 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1594 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1596 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1598 * doc/invoke.texi (Precompiled Headers): Document some more options
1599 which are known to be safe.
1601 2005-08-16 James E Wilson <wilson@specifix.com>
1603 PR tree-optimization/21105
1604 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1605 TREE_OVERFLOW check.
1607 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1609 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1610 (neg_ltu<mode>): Same.
1612 (neg_gtu<mode>): Same.
1614 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1616 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1617 (fold_builtin_isdigit): Use fold_buildN.
1618 (build_function_call_expr): Likewise.
1619 * c-typeck.c (c_finish_loop): Likewise.
1621 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1622 Richard Shann <rshann@superh.com>
1624 PR middle-end/20396:
1625 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1627 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1629 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1631 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1634 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1635 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1638 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1641 * fold-const.c (build_range_check): Disable optimization for function
1642 pointer expressions on targets that require function pointer
1645 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
1647 * simplify-rtx.c (simplify_const_relational_operation): When
1648 extracting arguments of a COMPARE, recompute the mode as well.
1650 2005-08-15 Ian Lance Taylor <ian@airs.com>
1652 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1654 2005-08-15 DJ Delorie <dj@redhat.com>
1656 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1658 (movsi_splittable): Allow, but split, moves to the stack.
1659 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1662 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1665 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1666 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1668 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1669 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1670 Delete HOST_PTR_PRINTF.
1672 * configure, config.in: Regenerate.
1674 2005-08-15 David Edelsohn <edelsohn@gnu.org>
1676 * config/rs6000/rs6000.md (QHSI): New mode macro.
1677 (wd): Extend mode attr for QImode and HImode
1678 (dbits): New mode attr.
1679 (zero_extend<mode>di2): Convert to mode macro.
1681 2005-08-15 Steve Ellcey <sje@cup.hp.com>
1684 * doc/invoke.texi (-mgnu-ld): Update description.
1687 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1690 * Makefile.in (tree-chrec.o): Depends on real.h.
1691 * tree-chrec.c: Include real.h.
1692 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1693 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1694 * tree-scalar-evolution.c (add_to_evolution_1,
1695 interpret_rhs_modify_expr): Ditto.
1697 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1700 * tree-data-ref.c (estimate_niter_from_size_of_data): When
1701 step is negative compute the estimation from init downwards to zero.
1703 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
1705 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1707 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1709 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1711 (legitimate_reload_constant_p): Fix handling of lliXX operands.
1712 Accept double-word constants that can be split.
1713 * config/s390/s390.md ("movti"): Use 'P' constraint.
1714 ("*movdi_31", "*movdf_31"): Likewise.
1716 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
1718 Fix PR tree-optimization/22615
1720 * tree-ssa-structalias.c (solution_set_add): Handle
1721 first_vi_for_offset returning NULL.
1722 (do_da_constraint): Ditto.
1723 (do_sd_constraint): Ditto.
1724 (do_ds_constraint): Ditto
1725 (find_func_aliases): Ditto.
1726 (build_constraint_graph): RHS is allowed be ANYTHING.
1727 (first_vi_for_offset): Return NULL if we couldn't find anything at
1730 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1732 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1733 over memory as first operand.
1735 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
1738 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1739 available for setting it.
1741 2005-08-14 Ira Rosen <irar@il.ibm.com>
1743 PR tree-optimization/23320
1744 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1745 data-refs' types instead of base object nullness. Add check for
1746 pointer type data-refs before first location comparison. Remove
1749 2005-08-14 Andreas Schwab <schwab@suse.de>
1751 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1753 2005-08-13 James E Wilson <wilson@specifix.com>
1755 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1756 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1757 -fstack-protector-all, --param ssp-buffer-size): Document.
1758 (-Wvariadic-macros): Alphabetize.
1759 (-fsched-stalled-insns-dep): Add missing 'f'.
1761 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1764 2005-08-13 David Edelsohn <edelsohn@gnu.org>
1766 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1767 or indirect address operand.
1768 (EXTRA_ADDRESS_CONSTRAINT): New.
1769 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1771 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
1773 PR tree-optimization/22236
1774 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1775 successors and predecessors.
1776 * tree-chrec.c (chrec_convert): Before converting, check that
1777 sequences don't wrap.
1778 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1779 (analyze_array): Extern.
1780 (find_data_references_in_loop): Remove call to
1781 compute_estimated_nb_iterations.
1782 * tree-data-ref.h (analyze_array): Declared.
1783 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1784 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1785 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1786 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1788 * tree-ssa-loop-ivcanon.c: Fix documentation.
1789 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1790 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1791 (infer_loop_bounds_from_undefined): New.
1792 (estimate_numbers_of_iterations_loop): Use
1793 infer_loop_bounds_from_undefined.
1794 (used_in_pointer_arithmetic_p): New.
1795 (scev_probably_wraps_p): Pass an extra parameter. Call
1796 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
1797 (convert_step): Fix documentation.
1798 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1799 Use initial_condition_in_loop_num and evolution_part_in_loop_num
1800 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
1801 scev_probably_wraps_p.
1803 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1805 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1806 (s390_register_info): Ignore clobbered_regs information for fixed
1807 registers, and only fixed registers.
1808 (s390_init_frame_layout): Remove redundant call.
1810 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
1812 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1813 description of -Wold-style-casts.
1815 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1816 Jakub Jelinek <jakub@redhat.com>
1818 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1819 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1820 * config/s390/s390.c (print_operand): New output modifier 'G' added.
1821 (get_thread_pointer): Renamed to s390_get_thread_pointer.
1822 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1823 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1824 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1825 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1826 ("stack_protect_set", "stack_protect_test"): New expanders.
1827 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1828 "stack_protect_testdi"): New insn definitions.
1830 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1832 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1834 2005-08-12 Paul Brook <paul@codesourcery.com>
1836 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1838 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1840 * config/s390/predicates.md (setmem_operand): New predicate.
1841 (shift_count_operand): Accept ANDs with special constants as
1843 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1844 with special constants.
1845 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1846 shift_count_operand with setmem_operand.
1848 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1850 * config/s390/s390.c (s390_extract_part, s390_single_part):
1852 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1853 (s390_output_mi_thunk): Don't use lg on 31 bit.
1854 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1855 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1857 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1859 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1860 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1861 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1862 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1863 with one of the new macros.
1865 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1867 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1868 Don't set save_return_addr_p.
1869 (s390_register_info): Make clobbered_regs not depending on
1872 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
1874 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1875 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1877 2005-08-11 James E. Wilson <wilson@specifix.com>
1879 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1881 2005-08-11 Jakub Jelinek <jakub@redhat.com>
1883 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1884 locations gathered by var-tracking in single entry loc_list
1885 over loc_descriptor_from_tree.
1887 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1888 pass it down to loc_descriptor.
1889 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1890 (containing_function_has_frame_base): Move earlier in the file.
1891 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1892 instead of always assuming fbreg can't be used.
1894 2005-08-11 David Edelsohn <edelsohn@gnu.org>
1896 * config/rs6000/altivec.md: Change constraint "m" to "Z".
1897 * config/rs6000/predicates.md (indexed_or_indirect_operand):
1898 Accept address wrapped in AND for Altivec.
1899 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1900 Strip AND wrapping offset address for Altivec.
1902 2005-08-11 Richard Henderson <rth@redhat.com>
1905 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1906 before using TYPE_IS_SIZETYPE.
1908 2005-08-11 Richard Henderson <rth@redhat.com>
1911 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1912 insn types not present on ev4.
1913 (alphaev5_insn_pipe): Similarly.
1915 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
1918 * arm.c (arm_override_options): If the user has selected callee-super-
1919 interworking, then enable normal interworking.
1921 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1923 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1926 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
1928 * doc/rtl.texi: Fix two typos.
1930 2005-08-11 Richard Guenther <rguenther@suse.de>
1933 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1934 cases where we call to/from functions returning void.
1936 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
1939 * tree.c (build_pointer_type_for_mode): Robustify.
1941 2005-08-10 James E Wilson <wilson@specifix.com>
1943 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1944 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1946 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1949 2005-08-10 Eric Christopher <echristo@apple.com>
1951 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1952 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1955 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
1958 * config/darwin.c (machopic_indirect_data_reference): Use a new register
1959 for the high part when generating dynamic-no-pic code.
1961 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
1963 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1964 (x86_64-*-linux*): Likewise.
1966 * config/i386/crtfastmath.c: New file.
1967 * config/i386/t-crtfm: Likewise.
1969 * config/i386/linux.h (ENDFILE_SPEC): New.
1970 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1972 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1975 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
1977 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1978 (vec_shl, vec_shr): Document new operations.
1979 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1981 2005-08-10 David Edelsohn <edelsohn@gnu.org>
1983 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1984 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1985 change predicate to indexed_or_indirect_address.
1987 2005-08-10 Richard Sandiford <richard@codesourcery.com>
1989 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1990 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1991 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1992 and __aeabi_uwrite8.
1993 * config/arm/unaligned-funcs.c: New file.
1994 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1996 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
1998 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2000 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2001 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2003 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2004 * final.c (pass_shorten_branches): Add dump.
2005 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2006 (pass_life): Rename dump.
2007 (rest_of_handle_flow2): Remove initial verify_flow_info.
2008 * function.c (pass_instantiate_virtual_regs): Add dump.
2009 * integrate.c (pass_initial_value_sets): Add dump.
2010 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2011 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2012 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2013 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2014 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2015 gate_rtl_unrool_and_peel_loops): New.
2016 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2017 rtl_doloop): Do not look at flags.
2018 * mode-switching.c (pass_mode_switching): Add dump.
2019 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2020 pass_split_before_regstack): Add dump.
2021 * regmove.c (pass_stack_adjustments): Add dump.
2022 * tree-optimize.c (pass_fixup_cfg): Add dump.
2024 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2027 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2028 deciding which instruction sequence to use.
2030 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2032 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2033 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2035 2005-08-09 Richard Guenther <rguenther@suse.de>
2037 * c-common.c (builtin_function_2): Remove.
2038 (def_builtin_1): New function.
2039 (c_common_nodes_and_builtins): Use def_builtin_1 to
2040 build builtin functions.
2042 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2044 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2045 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2046 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2049 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2051 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2052 fold_binary instead of fold_build2 since we don't care about the
2054 (loop_niter_by_eval): Likewise.
2055 (compare_trees): Likewise.
2056 (proved_non_wrapping_p): Likewise.
2058 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2062 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2063 if the if is really empty.
2065 2005-08-09 Steven Bosscher <stevenb@suse.de>
2067 PR tree-optimization/23234
2068 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2069 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2070 argument of the new enum.
2071 (execute_cse_reciprocals): Add reciprocals for function arguments
2072 on the unique successor edge of the entry block. Update other calls
2073 to execute_cse_reciprocals_1.
2075 2005-08-08 Richard Henderson <rth@redhat.com>
2078 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2080 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2082 * expr.c (write_complex_part): Return after handling MEM.
2084 2005-08-08 Josh Conner <jconner@apple.com>
2086 PR rtl-optimization/23241
2087 * combine.c (simplify_comparison): Fix error in determining
2088 whether to lift a subreg from comparison.
2090 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2093 * config/rs6000/altivec.md (vec_init<mode>): New.
2094 (vec_set<mode>): New.
2095 (vec_extract<mode>): New.
2096 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2097 (rs6000_expand_vector_set): New.
2098 (rs6000_expand_vector_extract): New.
2099 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2100 for Altivec modes before reload.
2101 (altivec_expand_vec_init_builtin): New.
2102 (get_element_number): New.
2103 (altivec_expand_vec_set_builtin): New.
2104 (altivec_expand_vec_ext_builtin): New.
2105 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2107 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2109 * config/rs6000/rs6000.h (rs6000_builtins): Add
2110 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2111 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2112 * config/rs6000/rs6000-protos.h: Declare new functions.
2114 2005-08-08 Jan Hubicka <jh@suse.cz>
2116 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2117 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2118 * i386.md (movdi*): Use pic_32bit_operand.
2119 * predicates.md (pic_32bit_operand): New.
2121 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2124 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2126 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2128 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2129 (test_for_singularity): Use fold_build2.
2131 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2133 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2135 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2137 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2138 (COMMON_ASM_OP) Define.
2139 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2140 (ix86_encode_section_info): Likewise.
2141 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2142 SUBTARGET_ENCODE_SECTION_INFO.
2144 2005-08-06 Richard Henderson <rth@redhat.com>
2147 * tree-nested.c (convert_local_reference): Save and restore val_only
2148 around component_ref and friends. Clear walk_subtrees by default.
2150 2005-08-06 Peter O'Gorman <peter@pogma.com>
2153 * gcc.c (process_command): Check the argument to -b has a dash.
2154 * doc/invoke.texi: Update -b and -V docs.
2156 2005-08-06 James E Wilson <wilson@specifix.com>
2158 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2160 2005-08-06 Michael Matz <matz@suse.de>
2162 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2163 member only if only one insn is associated with the value.
2165 2005-08-06 Nick Clifton <nickc@redhat.com>
2167 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2169 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2170 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2171 Check symbol flags instead of symbol name mangling.
2172 (xstormy16_asm_output_aligned_common): Likewise. Also
2173 simplify code since the bss100_section cass is the only case
2174 where the below100 code will be triggered.
2175 (xstormy16_encode_section_info): Encode below100 attribute
2176 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2178 (xstormy16_strip_name_encoding): Delete - this function is no
2180 (TARGET_STRIP_NAME_ENCODING): Undefine.
2181 * config/stormy16/stormy16-protos.h: Delete prototype for
2182 xstormy16_strip_name_encoding.
2184 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2186 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2187 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2188 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2189 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2190 config/alpha/predicates.md, config/arc/arc.h,
2191 config/arm/arm.h, config/arm/ieee754-df.S,
2192 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2193 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2194 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2195 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2196 config/m68hc11/m68hc11.h, config/mips/mips.c,
2197 config/mips/mips.h, config/mips/openbsd.h,
2198 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2199 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2200 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2201 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2202 config/sparc/linux.h, config/sparc/linux64.h,
2203 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2204 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2205 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2206 typos. Follow spelling conventions.
2208 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2211 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2212 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2213 specially. Check for side effects only for COND_EXPR.
2214 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2215 return with TREE_NO_WARNING.
2217 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2219 PR rtl-optimization/23233
2220 * loop.c (combine_movables): Require the modes to be the same.
2221 (move_movables): Remove handling of cases where the replacement
2222 had a different mode to the original.
2224 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2226 PR tree-optimization/23128
2227 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2228 subtraction wrap, and set TREE_OVERFLOW if they do.
2230 2005-08-05 Richard Henderson <rth@redhat.com>
2233 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2234 FORCED_LABEL labels.
2236 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2239 * reload.c (find_reloads_subreg_address): Pass down TYPE
2240 unchanged. Change all callers except find_reloads_toplev.
2242 2005-08-05 Michael Matz <matz@suse.de>
2244 * genattrtab.c (current_alternative_string): Remove.
2245 (SIMPLIFY_ALTERNATIVE): Ditto.
2246 (attr_alt_bit_p): Ditto.
2247 (alternative_name): Make const char *.
2248 (evaluate_eq_attr): Remove use of above things.
2249 (simplify_test_exp): Ditto.
2250 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2251 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2253 2005-08-04 James E Wilson <wilson@specifix.com>
2255 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2256 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2257 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2258 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2259 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2261 2005-08-04 Richard Henderson <rth@redhat.com>
2264 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2265 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2266 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2267 if we'd have to instantiate too many members.
2269 2005-08-04 Richard Henderson <rth@redhat.com>
2272 * tree-outof-ssa.c (coalesce_asm_operands): New.
2273 (coalesce_ssa_name): Use it. Split out ...
2274 (coalesce_phi_operands, coalesce_result_decls): ... these.
2276 2005-08-04 Paul Brook <paul@codesourcery.com>
2278 * read-rtl.c (read_quoted_string): Break if EOF.
2280 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2282 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2283 (fold_build2): Likewise.
2284 (fold_build3): Likewise.
2285 (fold_build1_stat): New function prototype.
2286 (fold_build2_stat): Likewise.
2287 (fold_build3_stat): Likewise.
2288 * fold-const.c (fold_build1): Rename to ..
2289 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2290 through to build1_stat.
2291 (fold_build2): Rename to ..
2292 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2293 through to build2_stat.
2294 (fold_build3): Rename to ..
2295 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2296 through to build3_stat.
2298 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2299 Ian Lance Taylor <ian@airs.com>
2301 * function.c (assign_stack_local_1): Do not correct stack slot
2302 address if allocation size is smaller than mode size.
2304 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2307 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2308 (tree_merge_blocks): Propagate anything allowed by
2310 Clarify documentation.
2311 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2312 SSA form, schedule an update if necessary.
2314 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2316 * doc/install.texi (Binaries): Remove broken link to
2317 Sinix/Reliant Unix binaries.
2319 2005-08-03 Richard Henderson <rth@redhat.com>
2322 * function.c (stack_protect_epilogue): Export.
2323 * tree.h (stack_protect_epilogue): Declare.
2324 * calls.c (expand_call): Call it.
2326 2005-08-03 Eric Christopher <echristo@apple.com>
2328 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2329 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2332 2005-08-04 Jan Hubicka <jh@suse.cz>
2334 * profile.c (branch_prob): Split edges with goto locus on them
2335 to get proper line counts.
2336 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2338 2005-08-03 Paul Brook <paul@codesourcery.com>
2340 * function.c (assign_parms): Round current_function_args_size
2341 to PARM_BOUNDARY, not STACK_BOUNDARY.
2343 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2345 * config/i386/i386.c (x86_elf_aligned_common)
2346 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2348 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2350 PR tree-optimization/23157
2351 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2352 before emitting them.
2354 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2356 PR tree-optimization/19899
2357 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2358 * tree-scalar-evolution.c: Include real.h.
2359 (add_to_evolution): Build constant -1 of correct type.
2361 2005-08-03 Jan Hubicka <jh@suse.cz>
2363 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2364 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2365 profile updating for complette unrolling.
2366 * loop-unroll.c (peel_loop_completely): Use it.
2367 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2368 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2371 2005-08-03 Paul Brook <paul@codesourcery.com>
2373 * combine.c (can_change_dest_mode): New function.
2374 (try_combine, simplify_set): Use it.
2376 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2378 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2381 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2383 * doc/install.texi (Specific): Adjust link to openavr.org.
2384 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2385 (Binaries): Adjust HP-UX Porting Center link.
2386 (Binaries): Adjust Free Software Foundation ordering link.
2388 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2390 * convert.c (convert_to_integer): Use fold_build1 instead of
2391 build1 when converting an integer to an integer.
2393 2005-08-02 Richard Henderson <rth@redhat.com>
2395 * combine.c (combine_instructions): Don't use reg_equal/equiv
2396 results if the mode doesn't match.
2398 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2400 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2401 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2403 2005-08-02 Richard Henderson <rth@redhat.com>
2406 * explow.c (memory_address): Remove special-case for
2407 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2409 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2412 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2413 number of calls to cleanup_tree_cfg_1.
2415 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2417 * doc/invoke.texi: document file extensions .F90 and .F95
2419 2005-08-02 Richard Guenther <rguenther@suse.de>
2421 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2422 positive if its first argument is positive.
2424 2005-08-02 Richard Guenther <rguenther@suse.de>
2426 PR tree-optimization/23177
2427 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2430 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2432 PR tree-optimization/23129
2433 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2434 varying for divisions with anti-ranges.
2436 2005-08-02 Jan Hubicka <jh@suse.cz>
2438 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2439 * tree-ssa-threadupdate.c (thread_block): Add it here.
2441 2005-08-01 James E Wilson <wilson@specifix.com>
2443 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2444 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2445 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2447 * config/mips/predicates.md (const_call_insn_operand): Add check for
2448 SYMBOL_REF_LONG_CALL_P.
2449 * doc/extend.texi (long_call): Document the new attribute.
2451 2005-08-01 Ian Lance Taylor <ian@airs.com>
2452 Richard Henderson <rth@redhat.com>
2454 * Makefile.in (RTL_BASE_H): Add real.h.
2455 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2457 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2459 * rtl.c (rtl_check_failed_code_mode): New.
2460 * rtl.h (struct rtx_def): Add u.rv.
2461 (XCMWINT, XCNMPRV): New.
2462 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2463 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2465 2005-08-01 Richard Henderson <rth@redhat.com>
2467 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2468 with auto-inc codes.
2470 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2472 2005-08-01 Jan Hubicka <jh@suse.cz>
2474 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2475 * i386.c: Include dwarf2.h
2476 (asm_preferred_eh_data_format): New.
2477 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2479 2005-08-01 Ian Lance Taylor <ian@airs.com>
2481 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2482 randomize_va_space for virtual address randomization control.
2484 2005-08-01 Steven Bosscher <stevenb@suse.de>
2486 * common.opt (flag_ipa_cp): Put in right place to maintain
2489 2005-08-01 Jan Hubicka <jh@suse.cz>
2491 * profile.c (compute_value_histograms): Fix thinko.
2492 * value-prof.c: Include toplev.h
2493 (check_counter): New function.
2494 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2495 tree_mod_subtract_transform): Add sanity check.
2497 2005-08-01 Richard Guenther <rguenther@suse.de>
2499 PR tree-optimization/23133
2500 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2501 current functions parameter decls to find defs to cse
2504 2005-08-01 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/23109
2507 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2508 If trapping math is in effect, use post-dominator information
2509 to check if we'd in any case reach a trapping point before
2510 doing the reciprocal insertion.
2511 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2512 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2513 expressions are invariant only if trapping math is not in effect.
2515 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2517 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2518 cgraph_function_versioning): New declarations.
2519 * cgraphunit.c: Add include to ipa-prop.h.
2520 (update_call_expr, cgraph_copy_node_for_versioning,
2521 cgraph_function_versioning): New functions.
2522 * integrate.c (copy_decl_for_inlining): Remove.
2523 * ipa-prop.h (ipa_replace_map): New struct.
2524 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2525 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2526 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2527 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2528 ipcp_iterate_stage, ipcp_method_scale_print,
2529 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2530 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2531 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2532 ipcp_update_bb_counts, ipcp_update_profiling,
2533 ipcp_update_edges_counts): New functions.
2534 (ipcp_method_cval_init): Remove restriction regarding local methods.
2535 (ipcp_init_stage): Add ipcp_method_compute_scale.
2536 (ipcp_insert_stage): Add versioning.
2537 (ipcp_structures_print): Add ipcp_method_scale_print.
2538 (ipcp_driver): Dump profiling info.
2539 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2540 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2541 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2542 (struct inline_data): Add versioning_p, ipa_info, new fields.
2543 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2544 declare_return_variable): Replace calls to copy_decl_for_inlining with
2546 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2548 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2549 Add argument VERSIONING.
2550 (copy_arguments_for_versioning, copy_static_chain,
2551 function_versionable_p, tree_versionable_function_p,
2552 tree_function_versioning, replace_ref_tree): New functions.
2553 * tree-inline.h: Include varray.h.
2554 (tree_versionable_function_p, tree_function_versioning,
2555 tree copy_decl_for_dup): New declarations.
2557 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2559 * ipa-cp.c: New file. Contains IPCP specific functionality.
2560 * ipa-prop.h: New file. Contains structures/definitions that can be
2561 used by several interprocedural data flow optimizations (and also IPCP).
2562 * ipa-prop.c: New file.
2563 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2564 * common.opt: Add ipa-cp flag.
2565 * timevar.def: Add IPCP optimization.
2566 * tree-optimize.c (init_tree_optimization_passes): Schedule
2568 * tree-pass.h (pass_ipa_cp): Declare.
2570 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2572 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2573 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2574 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2575 config/i386/i386.c, config/mips/mips.h,
2576 config/rs6000/rs6000.h, config/sh/sh.c,
2577 config/stormy16/stormy16.c: Fix comment typos.
2579 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2582 * c-typeck.c (build_binary_op): Use common_type wrapper on
2584 (common_type): Update comment.
2586 2005-07-31 Steven Bosscher <stevenb@suse.de>
2589 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2590 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2591 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2593 2005-07-31 Jan Hubicka <jh@suse.cz>
2595 * pretty-print.h (pp_widest_integer): New macro.
2596 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2599 2005-07-31 Jan Hubicka <jh@suse.cz>
2601 * output.h (enum section_category): Export from varasm.c
2602 (categorize_decl_for_section): Likewise.
2603 * varasm.c (enum section_category): Kill.
2604 (categorize_decl_for_section): Make global.
2605 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2607 * i386.c (ix86_section_threshold): New static variable.
2608 (ix86_in_large_data_p, ix86_encode_section_info,
2609 x86_64_elf_unique_section,
2610 x86_64_elf_select_section): New functions.
2611 (TARGET_ENCODE_SECTION_INFO): Define
2612 (override_options): Enable medium model for PIC.
2613 (ix86_expand_prologue): Expand gen_set_got_rex64.
2614 (legitimate_constant_p): Handle new UNSPECs.
2615 (legitimate_pic_address_disp_p): Likewise.
2616 (legitimize_pic_address): Lower MEDIUM model addressing.
2617 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2618 (enum cmodel): Add MEDIUM_PIC.
2619 (SYMBOL_REF_FAR_ADDR_P): New macro.
2620 (SYMBOL_FLAG_FAR_ADDR): New flag.
2621 * i386.md (movdi): Support medium model.
2622 (set_got_rex64): New pattern.
2623 * i386.opt (mlarge-data-threshold): New flag.
2624 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2625 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2626 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2627 TARGET_ASM_UNIQUE_SECTION): New.
2629 * invoke.texi (-mlarge_data_threshold): Document
2631 2005-07-31 Jan Hubicka <jh@suse.cz>
2633 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2634 (coalesce_vars): Likewise.
2635 * tree-ssa-live.c (coalesce_cost): New.
2636 (build_tree_conflict_graph): Use coalesce_cost.
2637 * tree-ssa-live.h (coalesce_cost): Declare.
2639 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
2641 * arm.md (all peepholes for post-increment operations): Delete.
2642 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2643 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2644 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2645 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2646 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2648 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
2650 * fold-const.c (tree_expr_nonnegative_p): Always return true for
2653 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
2656 * doc/invoke.texi: Document -rdynamic.
2658 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
2661 * c-parser.c (c_parser_parms_list_declarator): Call
2662 mark_forward_parm_decls.
2663 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2664 decls with visibility structure.
2666 2005-07-30 Paul Brook <paul@codesourcery.com>
2668 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2670 2005-07-30 Paul Brook <paul@codesourcery.com>
2672 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2674 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2676 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2678 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2681 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2682 nested function declarators.
2683 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2684 (grokparms): Call warn_if_shadowing for parameters used within the
2686 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2687 not used within the parameter list.
2688 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2690 2005-07-30 Jan Hubicka <jh@suse.cz>
2692 * expr.c (expand_expr_real_1): Do not load mem targets into register.
2693 * i386.c (ix86_fixup_binary_operands): Likewise.
2694 (ix86_expand_unary_operator): Likewise.
2695 (ix86_expand_fp_absneg_operator): Likewise.
2696 * optabs.c (expand_vec_cond_expr): Validate dest.
2698 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2701 * real.c (real_from_string): Also set last bit if there is a
2702 nonzero hex digit beyond GCC's internal precision after ".".
2704 2005-07-29 David Edelsohn <edelsohn@gnu.org>
2706 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2707 define_constants. Change duplicate values to unassigned numbers.
2708 Change UNSPEC_SUBS to UNSPEC_VSUBS.
2709 (*altivec_vspltsf): New.
2710 (altivec_vperm_v4sf): Delete.
2711 (altivec_vperm_<mode>): Use mode macro V.
2712 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2713 (altivec_predicate_v4sf): Delete.
2714 (altivec_predicate_<mode>): Use mode macro V.
2715 (*altivec_lvesfx): New.
2716 (*altivec_stvesfx): New.
2717 (vec_realign_load_v4sf): Delete.
2718 (vec_realign_load_<mode>): Use mode macro V.
2719 * config/rs6000/rs6000.c (generate_set_vrsave): Use
2722 2005-07-29 Mark Mitchell <mark@codesourcery.com>
2725 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2727 * configure: Regenerated.
2729 2005-07-29 Paul Brook <paul@codesourcery.com>
2731 * doc/install.texi: Add link to GFortran binaries wiki page.
2733 2005-07-29 David Ung <davidu@mips.com>
2735 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2736 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2737 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2738 * config/mips/mips.md (cpu): Add 5kf name.
2739 (includes): Includes 5k.md.
2740 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2741 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2744 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2747 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2748 (cleanup_tree_cfg): ... here.
2749 Call cleanup_tree_cfg_1 until there are no more cleanups to
2752 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
2754 * tree-vrp.c (compare_range_with_value): Return true or false
2755 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2756 EQ_EXPR respectively.
2758 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
2760 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2763 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2765 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2766 (tree_ssa_dominator_optimize): Increment it.
2767 (dump_dominator_optimization_stats): Print it.
2769 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
2770 Steven Bosscher <stevenb@suse.de>
2772 PR rtl-optimization/23117
2773 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2774 when head == tail. Tidy comment.
2776 2005-07-28 Richard Henderson <rth@redhat.com>
2778 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2779 * cselib.c (rtx_equal_for_cselib_p): Likewise.
2780 * jump.c (rtx_renumbered_equal_p): Likewise.
2781 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2782 CONST_INT and CONST_DOUBLE.
2783 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2784 * reload.c (operands_match_p): Special case CONST_INT and
2785 CONST_DOUBLE; check mode earlier.
2787 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2790 * c-typeck.c (convert_for_assignment): Do not check
2791 DECL_IN_SYSTEM_HEADER on NULL fundecl.
2793 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2796 * c-typeck.c (composite_type): Prefer constant size arrays to
2799 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2802 * real.c (real_from_string): Set last bit if there is a nonzero
2803 hex digit beyond GCC's internal precision.
2805 2005-07-28 Richard Henderson <rth@redhat.com>
2808 * cfgcleanup.c (try_forward_edges): Watch out for end of
2811 2005-07-28 James E Wilson <wilson@specifixinc.com>
2814 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2816 2005-07-28 Jan Hubicka <jh@suse.cz>
2818 * Makefile.in (rtl-profile.o): Kill all traces of it.
2819 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2820 * coverage.h (rtl_coverage_counter_ref): Kill.
2821 * opts.c (flag_speculative_prefetching_set): Kill.
2822 (flag_loop_optimize_set): New.
2823 (common_handle_option): Disable loop optimizer when profiling;
2824 do not handle speculative prefetching.
2825 * passes.c (init_optimization_passes): Replace pass_profiling combo
2826 by branch_prob pass.
2827 * profile.c (compute_value_histograms): Update for simplified value
2829 (rtl_register_profile_hooks): Kill.
2830 (pass_profiling): Kill.
2831 (rest_of_handle_branch_prob): Do not profile.
2832 * toplev.c (process_options): Remove speculative prefetching.
2833 * toplev.h (flag_tree_based_profiling): Kill.
2834 * tree-profile.c (prepare_instrumented_value,
2835 tree_gen_interval_profiler, tree_gen_pow2_profiler,
2836 tree_gen_one_value_profiler, do_tree_profiling): Update for
2837 simplified datastructures.
2838 * value-prof.c: Add comment that speculative prefetching was dropped;
2839 update rest of file for simplified datastructures.
2840 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2841 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2842 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2843 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2844 rtl_mod_subtract, gen_speculative_prefetch,
2845 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2846 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2847 (gate_handle_value_profile_transformations,
2848 rest_of_handle_value_profile_transformations,
2849 pass_value_profile_transformations): Kill.
2850 * value-prof.h (histogram_value_t): Remove IL based unions.
2851 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2852 rtl_profile_hooks): Remove hooks.
2854 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2856 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2857 (cgraph_clone_node): Likewise.
2858 * cgraph.h (cgraph_clone_edge): Update prototype.
2859 (cgraph_clone_node): Likewise.
2860 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2862 (lookup_recursive_calls): Consider profile.
2863 (cgraph_decide_recursive_inlining): Fix updating; use new
2864 probability argument; use profile.
2865 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2866 * tree-inline.c (copy_bb): Update clal of clone_edge.
2867 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2869 * invoke.texi (min-inline-recursive-probability): Document.
2871 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
2873 * doc/install.texi (Configuration): Update Valgrind homepage.
2875 2005-07-28 Richard Henderson <rth@redhat.com>
2878 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2879 labels we want to delete.
2880 (cfg_layout_merge_blocks): Likewise.
2882 2005-07-28 Richard Henderson <rth@redhat.com>
2885 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2886 when expanding to nothing.
2888 2005-07-28 Josh Conner <jconner@apple.com>
2890 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2891 (cgraph_decide_inlining_of_small_functions): Likewise.
2893 2005-07-28 Josh Conner <jconner@apple.com>
2895 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
2896 direction of badness if negative.
2897 (cgraph_default_inline_p): Add reason to parameters, and assign it
2899 (cgraph_decide_inlining_of_small_functions): New parameter in call
2900 to cgraph_default_inline_p.
2901 (cgraph_decide_inlining_incrementally): Likewise.
2902 * cgraphunit.c (decide_is_function_needed): Likewise.
2903 * cgraph.h (cgraph_default_inline_p): Likewise.
2905 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2907 * builtins.c: Fix comment typo(s).
2908 * genautomata.c: Likewise.
2909 * gimplify.c: Likewise.
2910 * tree-dfa.c: Likewise.
2911 * tree-flow-inline.h: Likewise.
2912 * tree-into-ssa.c: Likewise.
2913 * tree-ssa-alias.c: Likewise.
2914 * tree-ssa-ccp.c: Likewise.
2915 * tree-ssa-copy.c: Likewise.
2916 * tree-ssa-dce.c: Likewise.
2917 * tree-ssa-dom.c: Likewise.
2918 * tree-ssa-operands.c: Likewise.
2919 * tree-tailcall.c: Likewise.
2920 * tree-vectorizer.c: Likewise.
2921 * tree-vrp.c: Likewise.
2924 2005-07-28 Jeff Law <law@redhat.com>
2926 * tree-vrp.c (test_for_singularity): Extracted from ...
2927 (simplify_cond_using_ranges): Attempt to simplify a relational
2928 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
2930 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
2932 PR tree-optimization/22506
2933 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2934 phis whose argument is constant.
2936 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
2938 PR rtl-optimization/18992
2939 Back out this patch:
2940 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2941 PR optimization/12142
2942 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2943 uses of the register in the SET_SRC. Remove unnecessary argument.
2945 Replace it with this:
2946 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2947 if flag_non_call_exceptions is set and the insn may trap, pass
2948 pc_rtx as dest for recursion.
2949 In SET_SRC part of SET case, if dest is already set, pass it down
2952 2005-07-28 Jan Hubicka <jh@suse.cz>
2954 * cfg.c (update_bb_profile_for_threading): Use RDIV.
2955 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2956 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2958 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2959 profile when available.
2961 2005-07-28 Jan Beulich <jbeulich@novell.com>
2963 * config/ia64/ia64.c (ia64_load_pair_ok): New.
2964 (ia64_print_operand): Describe and handle 'X'.
2965 (ia64_register_move_cost): Also handle FP_REGS.
2966 (ia64_preferred_reload_class): Likewise.
2967 (ia64_secondary_reload_class): Likewise.
2968 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2969 it. Also check for ITANIUM_CLASS_FLDP.
2970 * config/ia64/ia64.h (FP_REGNO_P): New.
2971 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2972 (reg_class): Add FP_REGS.
2973 (REG_CLASS_NAMES): Adjust for it.
2974 (REG_CLASS_CONTENTS): Likewise.
2975 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2976 (REG_CLASS_FROM_LETTER): Handle 'x'.
2977 (CLASS_MAX_NREGS): Handle FP_REGS.
2978 (MEMORY_MOVE_COST): Likewise.
2979 * config/ia64/ia64.md (itanium_class): Add fldp.
2980 (type): Handle fldp.
2981 (movti_internal): More allowable operand combinations. Use ldfp8 when
2982 splitting unnecessary. Remove predicable attribute. Adjust
2983 itanium_class attribute.
2984 (smuldi3_highpart): Remove outdated comment.
2985 (mulditi3, umulditi3, rotlti3): New expanders.
2986 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2987 (absti2): Disabled new insn for future reference.
2988 Respective new splitters.
2989 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2990 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2991 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2993 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
2995 PR rtl-optimization/23047
2996 * simplify-rtx.c (simplify_const_relational_operation): Respect
2997 flag_wrapv for comparisons with ABS.
2999 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3001 PR tree-optimization/22493
3002 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3003 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3005 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3007 * config/frv/frv.opt (moptimize-membar): New.
3009 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3011 * config/frv/frv.h: Remove machine_function definition.
3013 * config/frv/frv.c (struct frv_io): New.
3014 (struct machine_function): Moved from frv.h. Add has_membar_p.
3015 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3016 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3017 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3018 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3019 (frv_reorg): Call frv_optimize_membar when appropriate.
3020 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3021 (frv_expand_builtin): Adjust calls accordingly.
3022 (frv_io_address_cookie): New function.
3023 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3024 load or store rather than a special insn. Add ccnstant address and
3025 io-type operands to the membar.
3026 (frv_ifcvt_modify_tests): Unsign regno.
3027 (frv_ifcvt_modify_tests): Same.
3029 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3030 UNSPEC_OPTIONAL_MEMBAR constant.
3031 (builtin_read_<mode>): Delete.
3032 (builtin_write_<mode>): Delete.
3033 ("optional_membar_<mode>"): Add operand.
3035 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3036 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3037 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3038 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3039 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3040 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3041 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3042 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3043 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3045 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3047 * df.c (df_uses_record): Handle SCRATCH.
3049 2005-07-28 Steven Bosscher <stevenb@suse.de>
3052 * passes.c (rest_of_decl_compilation): If decl is a type and
3053 we have encountered errors, don't emit debug information.
3055 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3057 * params.def: Fixed comment.
3059 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3062 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3063 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3064 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3066 2005-07-27 Steven Bosscher <stevenb@suse.de>
3069 * varasm.c (assemble_start_function): Don't do anything that may
3070 require a CFG if the current function is a thunk.
3072 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3074 * doc/install.texi (Prerequisites): Mention that perl is needed
3075 to do export control in libstdc++ targetting Darwin.
3077 2005-07-27 Steven Bosscher <stevenb@suse.de>
3079 PR rtl-optimization/17808
3080 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3081 (sched_insns_conditions_mutex_p): Split out from...
3082 (add_dependence): ...here. But don't call it from here.
3083 (add_dependence_list): Check sched_insns_conditions_mutex_p
3084 before calling add_dependence.
3085 (add_dependence_list_and_free): Likewise.
3086 (fixup_sched_groups): Likewise.
3087 (sched_analyze_1): Likewise.
3088 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3089 (sched_analyze): Likewise.
3090 (sched_analyze_insn): Likewise.
3091 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3092 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3093 dependencies on all COND_EXEC insns to jumps ending basic blocks
3094 when doing intrablock scheduling.
3095 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3097 2005-07-27 Jeff Law <law@redhat.com>
3099 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3100 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3101 equivalency sets, correctly handle the case were vr0 has an
3102 equivalency set, but vr1 does not.
3104 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3106 PR tree-optimization/23073
3107 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3108 vect_print_dump_info before fprintf.
3110 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3112 PR tree-optimize/22348
3113 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3114 Fold the partial computation.
3116 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3118 PR tree-optimization/22325
3119 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3121 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3123 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3124 (force_var_cost): ... this function.
3125 (compute_phi_arg_on_exit): Export.
3127 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3129 PR tree-optimization/20773
3130 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3133 2005-07-27 Richard Guenther <rguenther@suse.de>
3135 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3136 Avoid pushing again if current struct contains only
3137 fields we decomposed.
3139 2005-07-27 Jan Hubicka <jh@suse.cz>
3141 PR tree-optimization/22574
3142 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3145 * tree-tailcall.c (decrease_profile): New function.
3146 (eliminate_tail_call): Use it.
3148 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3149 visibility flags correctly in whole program mode.
3151 2005-07-26 Steve Ellcey <sje@cup.hp.com>
3153 PR rtl-optimization/22472
3154 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3156 2005-07-26 Steven Bosscher <stevenb@suse.de>
3158 PR tree-optimization/22504
3159 * tree-complex.c (expand_complex_addition): Use 'code' instead
3160 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3162 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3164 * config.gcc (cpu_type): Add frv case.
3165 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3166 (supported_defaults): Add fr550 case.
3168 2005-07-26 Diego Novillo <dnovillo@redhat.com>
3171 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3172 whether a pointer of type T * may point to objects of type T *.
3174 2005-07-26 DJ Delorie <dj@redhat.com>
3176 * configure: Regenerate.
3178 2005-07-26 Dale Johannesen <dalej@apple.com>
3180 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3182 2005-07-26 Mark Mitchell <mark@codesourcery.com>
3184 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3185 Clarify use of "build" in name.
3187 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3189 * doc/extend.texi (Raw read/write Functions): New section.
3190 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3191 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3192 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3193 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3194 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3195 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3196 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3197 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3198 * config/frv/frv.c: Add bdesc_loads global.
3199 Add bdesc_stores global.
3200 (frv_init_builtins): Add support for __builtin_{read/write}*.
3201 (frv_volatile_memref): New.
3202 (frv_expand_load_builtin): New.
3203 (frv_expand_store_builtin): New.
3204 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3205 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3206 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3207 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3208 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3209 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3210 (builtin_read_<mode>): New.
3211 (builtin_write_<mode>): New.
3212 (builtin_write64): New.
3213 (optional_membar_<mode>): New.
3215 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3217 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3218 (rather than units) against HOST_BITS_PER_WIDE_INT.
3220 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
3222 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3223 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3224 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3225 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3228 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3229 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3230 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3232 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3234 2005-07-26 Richard Guenther <rguenther@suse.de>
3236 PR tree-optimization/22486
3237 * fold-const.c (fold_unary): Fold away useless component
3238 references of the form (T *)&T.x, if the address
3241 2005-07-25 James E Wilson <wilson@specifixinc.com>
3243 * dwarf2out.c (add_call_src_coords_attributes): New.
3244 (gen_inlined_subroutine_die): Call it.
3245 (maybe_emit_file, init_file_table): Add comments.
3246 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3248 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3249 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3250 * tree.h (BLOCK_SOURCE_LOCATION): New.
3251 (struct tree_block): New field locus.
3253 2005-07-26 Andreas Schwab <schwab@suse.de>
3255 PR rtl-optimization/23043
3256 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3257 when allocating a struct unoccr.
3259 2005-07-25 Richard Henderson <rth@redhat.com>
3262 * tree-complex.c (gate_no_optimization): True if errors.
3263 * Makefile.in (tree-complex.o): Update dependencies.
3265 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
3267 * config/frv/predicates.md (integer_register_operand): Use
3270 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3273 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3275 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3277 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3279 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3280 types when flag_unsafe_math_optimizations is true.
3282 2005-07-25 Mark Mitchell <mark@codesourcery.com>
3284 * gcc.c (option_map): Add --sysroot.
3285 (process_command): Handle --sysroot.
3286 (display_help): Document it.
3287 * doc/cppopts.tex (-isysroot): Document.
3288 * doc/invoke.texi (--sysroot): Document.
3289 * doc/install.texi (--with-build-sysroot): Document.
3291 * Makefile.in (inhibit_libc): New variable.
3292 (INHIBIT_LIBC_CFLAGS): Likewise.
3293 (LIBGCC2_CFLAGS): Include
3294 $(INHIBIT_LIBC_CFLAGS).
3295 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3296 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3297 ($(T)crtend.o): Likewise.
3298 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3299 ($(T)crtendS.o): Likewise.
3300 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3301 ($(T)crtendT.o): Likewise.
3302 (stmp-fixinc): Do not complain about missing headers if
3304 * configure.ac (inhibit_libc): Set it to true/false.
3305 (--with-build-sysroot): New option. Use it to set
3307 * configure: Regenerated.
3309 2005-07-25 Manfred Hollstein <mh@suse.com>
3311 * calls.c (store_one_arg): Fix unsigned comparison warning.
3313 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3316 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3317 (ggc_print_statistics): Initialize variable before use.
3319 2005-07-25 Richard Guenther <rguenther@suse.de>
3321 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3322 calling with a PHI_NODE argument.
3324 * tree-flow-inline.h (overlap_subvar): Protect against
3327 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
3329 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3330 * configure: Regenerate.
3332 2005-07-25 Ira Rosen <irar@il.ibm.com>
3334 * expr.c (highest_pow2_factor): Make extern.
3335 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3336 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3337 record_array_differ_p, array_ptr_differ_p): Likewise.
3338 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3339 additional cases. Call the above functions.
3340 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3341 base_object_differ_p when there are two base objects. Otherwise, compare
3342 base address and offset. Call may_alias_p.
3343 (dump_data_reference): Use a correct field name.
3344 (analyze_array): Make static. Initialize new data-ref fields.
3345 (analyze_indirect_ref): New function.
3346 (init_data_ref): Initialize new data-ref fields.
3347 (strip_conversion): Moved from tree-vect-analyze.c.
3348 (analyze_offset_expr, get_ptr_offset, address_analysis,
3349 object_analysis): Likewise.
3350 (analyze_offset): New function.
3351 (create_data_ref): Likewise.
3352 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3353 dimensions for ARRAY_REFs only.
3354 (build_classic_dist_vector): Make static.
3355 (access_functions_are_affine_or_constant_p): Call macro to get the
3356 address of access functions.
3357 (compute_all_dependences): Add new parameter
3358 compute_self_and_read_read_dependences. Compute self and read-read
3359 dependences if it is true.
3360 (find_data_references_in_loop): Call create_data_ref. Initialize new
3362 (compute_data_dependences_for_loop): Add new parameter
3363 compute_self_and_read_read_dependences. Remove parameter nb_loops,
3364 compute nb_loops. Call compute_all_dependences,
3365 build_classic_dist_vector and build_classic_dir_vector with correct
3367 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3368 with correct parameters. Compare dimensions for ARRAY_REFs only.
3369 (free_data_refs): Call macro to free access functions.
3370 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3371 fields from stmt_vinfo.
3372 (struct base_object_info): New structure.
3373 (struct data_reference): Move fields to base_object_info. Add fields
3374 first_location and object_info for above structures. Move fields from
3375 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3376 aligned_to. Add macros to access the new fields.
3377 Update functions declarations.
3378 * tree-flow.h (is_aliased_with): Declare.
3379 * tree-loop-linear.c (linear_transform_loops): Call
3380 compute_data_dependences_for_loop with correct parameters.
3381 * tree-ssa-alias.c (is_aliased_with): New function.
3382 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3383 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3384 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3385 vect_base_addr_differ_p, compute_subscript_distance and
3386 build_classic_dist_vector. Add printings. Check absolute value of
3388 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3390 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3391 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3392 to bytes. Add printing.
3393 (vect_compute_data_refs_alignment): Go through loads and stores in one
3395 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3396 vect_analyze_data_ref_access): Likewise.
3397 (vect_analyze_pointer_ref_access): Remove.
3398 (vect_address_analysis, vect_object_analysis): Likewise.
3399 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3400 and analyze data-refs in the loop.
3401 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3402 fields of data-ref instead of stmt. Add init to the offset from the
3404 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3405 (vect_update_init_of_dr): Likewise.
3406 (vect_update_inits_of_drs): Go through loads and stores in one loop.
3407 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3409 (new_loop_vec_info): Initialize new fields.
3410 (destroy_loop_vec_info): Free new fields.
3411 (vect_strip_conversion): Remove.
3412 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3413 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3414 datarefs. Add new field ddrs.
3415 Add macros for the new fields access.
3416 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3417 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3418 Remove their macros.
3419 * tree.h (highest_pow2_factor): Declare.
3421 2005-07-25 Jakub Jelinek <jakub@redhat.com>
3423 * calls.c (store_one_arg): Check for sibling call MEM arguments
3424 from already clobbered incoming argument area.
3426 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3428 * c-common.c (check_missing_format_attribute): New.
3429 * c-common.h (check_missing_format_attribute): Likewise.
3430 * c-typeck.c (convert_for_assignment): Use it.
3432 2005-07-24 Andreas Schwab <schwab@suse.de>
3434 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3435 register use a word move. Correct operand of ext.w in 68000 code.
3437 2005-07-23 Mark Mitchell <mark@codesourcery.com>
3439 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3440 variables as declarations, rather than definitions.
3442 2005-07-24 Ira Rosen <irar@il.ibm.com>
3444 PR tree-optimization/22526
3445 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3448 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3450 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3451 that C99 reserve for future use. Use it to define clog10,
3452 clog10f and clog10l.
3454 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3456 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3457 * configure.ac: Check for -Wmissing-format-attribute.
3459 * configure: Regenerate.
3461 2005-07-23 Richard Henderson <rth@redhat.com>
3463 PR tree-optimization/22623
3464 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3466 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
3469 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3471 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * Makefile.in (C_TREE_H): Update dependencies.
3474 * c-tree.h: Include toplev.h.
3475 * diagnostic.h (diagnostic_set_info): Add format attribute.
3476 * rtl-error.c (diagnostic_for_asm): Likewise.
3478 2005-07-23 Chao-ying Fu <fu@mips.com>
3480 * config/mips/mips-dsp.md: New file.
3481 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3482 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3484 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3485 MIPS_BUILTIN_BPOSGE32.
3486 (mips_expand_builtin_direct): Add one parameter to indicate that
3487 builtin functions need to return a value.
3488 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3490 (mips_regno_to_class): Add classes for 12 new DSP registers.
3491 (mips_subword): Change to check four HI registers.
3492 (mips_output_move): Output move to and from 6 new DSP accumulators.
3493 (override_options): Make sure -mdsp and -mips16 are not used together.
3494 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
3496 (mips_conditional_register_usage): Disable 6 new DSP accumulators
3498 (print_operand): Add 'q' for printing DSP accumulators.
3499 (mips_cannot_change_mode_class): Check ACC_REGS.
3500 (mips_secondary_reload_class): Check ACC_REGS.
3501 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3502 (mips_register_move_cost): Check ACC_REGS.
3503 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3504 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3505 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3506 (dsp_bdesc): New array.
3507 (bdesc_arrays): Add DSP builtin function table.
3508 (mips_prepare_builtin_arg): Check predicate again after
3510 (mips_expand_builtin): Add one more parameter to
3511 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3512 MIPS_BUILTIN_BPOSGE32.
3513 (mips_init_builtins): Initialize new function types.
3514 (mips_expand_builtin_direct): Check if builtin functions need to
3515 return a value and pass operands properly.
3516 (mips_expand_builtin_bposge): New function.
3517 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3518 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3519 (FIRST_PSEUDO_REGISTER): Increase to 188.
3520 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3521 Update for 12 new DSP registers.
3522 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3523 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3524 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3525 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3526 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3527 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3528 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3529 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3530 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3531 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3532 (REGISTER_NAMES): Add names for 12 new DSP registers.
3533 * config/mips/mips.md: Include mips-dsp.md.
3534 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3535 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3536 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3537 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3538 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3539 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3540 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3541 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3542 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3543 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3544 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3545 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3546 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3547 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3548 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3549 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3550 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3551 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3552 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3553 (UNSPEC_RDDSP): New constants.
3554 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3555 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
3557 * config/mips/mips.opt (-mdsp): New option.
3558 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3559 (reg_imm10_operand): New predicates.
3560 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3561 * doc/invoke.texi (-mdsp): Document new option.
3563 2005-07-22 DJ Delorie <dj@redhat.com>
3565 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3567 * tree-inline.c (inlinable_function_p): Likewise.
3569 2005-07-22 Mark Mitchell <mark@codesourcery.com>
3572 * toplev.c (check_global_declarations): Do not mark undefined
3573 variables as DECL_IGNORED_P.
3574 * varasm.c (first_global_object_name): GTY it.
3575 (weak_global_object_name): Likewise.
3576 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3577 a string to go into {weak,first}_global_object_name.
3579 2005-07-22 DJ Delorie <dj@redhat.com>
3581 * c-format.c (check_function_format): Change warning control
3582 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3584 2005-07-22 Diego Novillo <dnovillo@redhat.com>
3586 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3587 &PTR->FLD a dereference of PTR.
3588 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3589 a potential dereference of PTR.
3591 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
3593 PR rtl-optimization/20370
3594 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3595 call allocate_reg_info if necessary.
3597 PR rtl-optimization/21848
3598 * calls.c (emit_library_call_value_1): For const functions, add
3599 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3601 PR rtl-optimization/22445
3602 * cselib.c (target.h): Include.
3603 (rtx_equal_for_cselib_p): Allow commutative matches.
3604 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3605 Remove MODE parameter. Changed all callers.
3607 PR rtl-optimization/22258
3608 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3610 (try_combine): Use likely_spilled_retval_p.
3612 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
3614 * config.gcc: Add crx-elf support.
3616 * doc/contrib.texi: Mention crx.
3617 * doc/extend.texi: Document crx extensions.
3618 * doc/install.texi: Document crx install.
3619 * doc/invoke.texi: Document crx options.
3620 * doc/md.texi: Document crx constraints.
3622 * config/crx/crx-protos.h: New file.
3623 * config/crx/crx.c: New file.
3624 * config/crx/crx.h: New file.
3625 * config/crx/crx.md: New file.
3626 * config/crx/crx.opt: New file.
3627 * config/crx/t-crx: New file.
3629 2005-07-22 Manfred Hollstein <mh@suse.com>
3631 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3633 (int_add_graph_edge): Likewise.
3634 (collapse_nodes): Likewise.
3635 (process_unification_queue): Likewise.
3637 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3638 Laurent GUERBY <laurent@guerby.net>
3640 PR tree-optimization/22336
3641 * function.c (record_block_change): Check for
3642 cfun->ib_boundaries_block.
3644 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
3646 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3647 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3649 2005-07-21 DJ Delorie <dj@redhat.com>
3651 * toplev.c (warn_deprecated_use): Add warning control to warning
3653 * c-typeck.c (parser_build_binary_op): Likewise.
3654 (c_finish_if_stmt): Likewise.
3655 * c-common.c (check_function_sentinel): Likewise.
3656 (check_nonnull_arg): Likewise.
3658 2005-07-21 Richard Henderson <rth@redhat.com>
3661 * tree-complex.c (complex_ssa_name_components): New.
3662 (cvc_lookup): Allow entry not found.
3663 (create_components): Remove.
3664 (create_one_component_var, get_component_var): New.
3665 (get_component_ssa_name, set_component_ssa_name): New.
3666 (extract_component): Use get_component_ssa_name.
3667 (update_complex_components): Use set_component_ssa_name.
3668 (update_complex_components_on_edge): Likewise.
3669 (update_phi_components): Create new PHI nodes directly, instead
3670 of adding insns to edges.
3671 (tree_lower_complex): Allocate and free complex_variable_components
3672 and complex_ssa_name_components here.
3674 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
3676 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3677 revert to returning false.
3679 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3682 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3684 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3687 * config/i386/i386.md (cmpxf): Change operand constraints
3688 to "nonmemory_operand".
3690 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3692 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3694 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3697 * fold-const.c (fold_build1): Add checksum for the operands.
3698 (fold_build2): Likewise.
3699 (fold_build3): Likewise.
3701 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3704 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3706 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3708 * common.opt (-fforward-propagate): Committed by mistake,
3711 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3713 * reg-stack.c: Fix comment typo(s).
3714 * tree-ssa-operands.c: Likewise.
3715 * tree-vectorizer: Likewise.
3717 2005-07-21 Nick Clifton <nickc@redhat.com>
3719 * config/sh/symbian.c: Replace C++ style line comments with C
3720 style line comments.
3721 (symbian_add_attribute): Do not use a ? operator on the LHS of
3723 (sh_symbian_handle_dll_attribute): Change the type of the
3724 method vector to "VEC(tree,gc)*" and use vector accessor
3725 macros to walk over the elements.
3726 (symbian_export_vtable_and_rtti_p): Likewise.
3727 (symbian_class_needs_attribute_p): Likewise.
3729 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3732 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3733 initialize targetm.resolve_overloaded_builtin here.
3734 (altivec_expand_overloaded_builtin): Make it non-static.
3735 * config/rs6000/rs6000-protos.h
3736 (altivec_expand_overloaded_builtin): New prototype.
3737 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3738 targetm.resolve_overloaded_builtin here.
3739 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3741 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3742 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR tree-optimization/19210
3745 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3747 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3748 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3749 rely on unproven assumptions.
3750 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3751 * tree-flow.h (number_of_iterations_exit): Add final parameter.
3752 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3753 to number_of_iterations_exit.
3754 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3755 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3756 * tree-ssa-loop-niter.c (find_loop_niter,
3757 estimate_numbers_of_iterations_loop): Likewise.
3758 (number_of_iterations_exit): Honor the new options.
3759 * doc/invoke.texi (Wunsafe-loop-optimizations,
3760 funsafe-loop-optimizations): Document them.
3762 2005-07-21 Richard Sandiford <richard@codesourcery.com>
3764 PR rtl-optimization/22167
3765 * gcse.c (hoist_code): Fix hoist_exprs[] check.
3767 2005-07-20 Adam Nemet <anemet@lnxw.com>
3769 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3770 __do_global_dtors_aux longcall.
3772 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
3774 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3775 (old_special_pred_table): Don't reference
3776 SPECIAL_MODE_PREDICATES.
3777 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3778 * config/arc/arc.h: Don't mention PREDICATE_CODES.
3779 * config/sh/predicates.h: Don't mention
3780 SPECIAL_MODE_PREDICATES.
3781 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3784 2005-07-20 DJ Delorie <dj@redhat.com>
3786 * config.gcc: Add m32c-elf support.
3788 * doc/contrib.texi: Mention m32c.
3789 * doc/extend.texi: Document m32c extensions.
3790 * doc/install.texi: Mention m32c.
3791 * doc/invoke.texi: Document m32c options.
3792 * doc/md.texi: Document m32c constraints.
3794 * config/m32c/addsub.md: New file.
3795 * config/m32c/bitops.md: New file.
3796 * config/m32c/cond.md: New file.
3797 * config/m32c/jump.md: New file.
3798 * config/m32c/m32c-lib1.S: New file.
3799 * config/m32c/m32c-lib2.c: New file.
3800 * config/m32c/m32c-modes.def: New file.
3801 * config/m32c/m32c-pragma.c: New file.
3802 * config/m32c/m32c-protos.h: New file.
3803 * config/m32c/m32c.abi: New file.
3804 * config/m32c/m32c.c: New file.
3805 * config/m32c/m32c.h: New file.
3806 * config/m32c/m32c.md: New file.
3807 * config/m32c/m32c.opt: New file.
3808 * config/m32c/minmax.md: New file.
3809 * config/m32c/mov.md: New file.
3810 * config/m32c/muldiv.md: New file.
3811 * config/m32c/predicates.md: New file.
3812 * config/m32c/prologue.md: New file.
3813 * config/m32c/shift.md: New file.
3814 * config/m32c/t-m32c: New file.
3816 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3818 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3819 (stack_protect_set, stack_protect_test): New expanders.
3820 (stack_protect_set_si, stack_protect_set_si_media,
3821 stack_protect_set_di_media, stack_protect_test_si,
3822 stack_protect_test_si_media, stack_protect_test_di_media):
3825 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
3827 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3829 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
3831 * tree.h (tree_expr_nonzero_p): Export.
3832 * fold-const.c (tree_expr_nonzero_p): Likewise.
3833 Return true for CALL_EXPRs that are alloca calls.
3834 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3836 * tree-flow.h (expr_computes_nonzero): Remove.
3837 * tree-vrp.c (expr_computes_nonzero): Remove.
3838 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3839 (extract_range_from_unary_expr): Likewise.
3840 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3841 tree_expr_nonzero_p.
3843 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
3845 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3846 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
3847 extra arg "picreg" and use it instead of pic_offset_table_rtx.
3848 All callers changed.
3849 (frame_related_constant_load): New arg "related" which controls
3850 setting of RTX_FRAME_RELATED_P. All callers changed.
3851 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3852 (bfin_expand_prologue): Add stack limit checking.
3853 * config/bfin/bfin.md (trapifcc): New pattern.
3855 * config/bfin/bfin.c: Include "langhooks.h".
3856 (def_builtin): Go through lang_hooks to call builtin_function.
3858 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3859 * config/bfin/predicates.md (symbol_ref_operand): New.
3860 (call_insn_operand): Delete. All callers changed to use
3861 register_no_elim_operand.
3862 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3864 (function_arg): Use it to generate the call's operand 2.
3865 (bfin_longcall_p): New function.
3866 (bfin_expand_call): Extra arg "cookie". All callers and declaration
3867 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
3868 determine if the address needs to be in a REG.
3869 (bfin_handle_longcall_attribute): New function.
3870 (bfin_attribute_table): Add "longcall" and "shortcall".
3871 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3872 (CUMULATIVE_ARGS): New member call_cookie.
3873 (PREDICATE_CODES): Add symbol_ref_operand.
3874 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3875 extra USE to the pattern.
3876 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3877 New patterns, split off call_insn, sibcall_insn, call_value_insn and
3878 sibcall_value_insn; now the new patterns handle direct calls and the
3879 old ones indirect calls.
3880 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3882 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
3884 * doc/trouble.texi: Update section on handling of empty loops.
3886 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
3888 * config.gcc: Remove support for sparc-*-openbsd*,
3889 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3891 * config.host: Remove support for i860-*-sysv4* as a host.
3892 * config/i860/*, config/ip2k/*, config/ns32k/*,
3893 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3894 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3895 mention obsolete ports.
3897 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3899 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3901 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3902 of frame_pointer_rtx.
3903 (sh_expand_epilogue): Likewise.
3904 (sh_set_return_address): Likewise.
3905 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3906 instead of FRAME_POINTER_REGNUM if needed. Add elimination
3907 offsets from FRAME_POINTER_REGNUM.
3908 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3909 (sh_register_names): Add initializer for sfp.
3910 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3911 (VALID_REGISTER_P): Likewise.
3912 (FIRST_PSEUDO_REGISTER): Update.
3913 (DWARF_FRAME_REGISTERS): Define.
3914 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3915 (HARD_FRAME_POINTER_REGNUM): Define.
3916 (FRAME_POINTER_REGNUM): Redefine.
3917 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3918 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
3919 from FRAME_POINTER_REGNUM.
3920 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3921 FRAME_POINTER_REGNUM.
3922 (REG_CLASS_CONTENTS): Add sfp.
3923 (REG_ALLOC_ORDER): Likewise.
3924 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
3925 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3926 of frame_pointer_rtx.
3927 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3929 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
3931 * fold-const.c (tree_expr_nonnegative_p): Only return true for
3932 ABS_EXPR when flag_wrapv is false because of INT_MIN.
3933 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3935 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3938 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
3940 Make CONSTRUCTOR use VEC to store initializers.
3941 * c-common.c (complete_array_type): Update to cope with VEC in
3943 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3944 (pp_c_constructor_elts): New function.
3945 * c-pretty-print.h (pp_c_constructor_elts): Declare.
3946 * c-typeck.c (build_function_call, build_c_cast, digest_init,
3947 struct constructor_stack, struct initializer_stack,
3948 constructor_elements, push_init_level, pop_init_level,
3949 add_pending_init, find_init_member, output_init_element): Update to
3950 cope with VEC in CONSTRUCTOR_ELTS.
3951 * coverage.c (build_fn_info_value, build_ctr_info_value,
3952 build_gcov_info): Likewise.
3953 * expr.c (categorize_ctor_elements_1, store_constructor,
3954 expand_expr_real_1): Likewise.
3955 * fold-const.c (fold_ternary): Likewise.
3956 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3957 gimplify_init_constructor, gimplify_expr): Likewise.
3958 * tree-dump.c (dequeue_and_dump): Likewise.
3959 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3961 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3963 * tree-sra.c (generate_element_init_1): Likewise.
3964 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3965 * tree-ssa-operands.c (get_expr_operands): Likewise.
3966 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3967 * tree-vect-transform.c (vect_get_vec_def_for_operand):
3968 (get_initial_def_for_reduction): Likewise.
3969 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3970 value handle in annotations.
3971 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3972 tree_node_structure): Add support for constr_kind.
3973 (build_vector_from_ctor, build_constructor_single,
3974 build_constructor_from_list): New functions.
3975 (build_constructor): Update to take a VEC instead of a TREE_LIST.
3976 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3977 Update to cope with VEC in CONSTRUCTOR_ELTS.
3978 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3979 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3980 CONSTRUCTOR_APPEND_ELT): New macros.
3981 (struct constructor_elt, struct tree_constructor): New data types.
3982 (union tree_node): Add tree_constructor field.
3983 * treestruct.def: Define TS_CONSTRUCTOR.
3984 * varasm.c (const_hash_1, compare_constant, copy_constant,
3985 compute_reloc_for_constant, output_addressed_constants,
3986 initializer_constant_valid_p, output_constant,
3987 array_size_for_constructor, output_constructor): Update to cope with
3988 VEC in CONSTRUCTOR_ELTS.
3989 * vec.h (VEC_empty, VEC_copy): New macros.
3991 2005-07-19 Devang Patel <dpatel@apple.com>
3993 * dbxout.c (dbxout_type): Check Objective-C++ lang.
3995 2005-07-19 Richard Henderson <rth@redhat.com>
3998 * gimplify.c (gimplify_expr): Use main variant type for the temp
3999 destination for a discarded volatile read.
4000 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4001 casts between non-void types that change volatility.
4003 2005-07-15 DJ Delorie <dj@redhat.com>
4005 * toplev.h: Add comment about the first parameter for warning().
4006 * errors.h: Likewise.
4008 * c.opt (Wpragmas): New.
4009 * doc/invoke.texi: Document it.
4011 * function.c (do_warn_unused_parameter): Add warning control to
4013 * c-decl.c (warn_if_shadowing): Likewise.
4014 * c-lex.c (cb_def_pragma): Likewise.
4015 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4016 (pop_alignment): Likewise.
4017 (handle_pragma_pack): Likewise.
4018 (apply_pragma_weak): Likewise.
4019 (handle_pragma_weak): Likewise.
4020 (handle_pragma_redefine_extname): Likewise.
4021 (add_to_renaming_pragma_list): Likewise.
4022 (handle_pragma_extern_prefix): Likewise.
4023 (maybe_apply_renaming_pragma): Likewise.
4024 (handle_pragma_visibility): Likewise.
4026 * config/c4x/c4x-c.c (BAD): Likewise.
4027 (c4x_parse_pragma): Likewise.
4028 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4029 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4030 (rs6000_pragma_longcall): Likewise.
4031 * config/v850/v850-c.c (pop_data_area): Likewise.
4032 (ghs_pragma_section): Likewise.
4033 (ghs_pragma_section): Likewise.
4034 (ghs_pragma_interrupt): Likewise.
4035 (ghs_pragma_starttda): Likewise.
4036 (ghs_pragma_startsda): Likewise.
4037 (ghs_pragma_startzda): Likewise.
4038 (ghs_pragma_endtda): Likewise.
4039 (ghs_pragma_endsda): Likewise.
4040 (ghs_pragma_endzda): Likewise.
4042 2005-07-19 Danny Berlin <dberlin@dberlin.org>
4043 Kenneth Zadeck <zadeck@naturalbridge.com>
4045 * Makefile.in: Removed tree-promote-statics.c
4046 * tree-promote-statics.c: Removed.
4047 * common.opt: Removed flag-promote-statics.
4049 * passes.c: Removed tree-promote-statics pass.
4050 * tree-pass.h: Ditto.
4051 * timevar.def: Removed TV_PROMOTE_STATICS.
4054 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4056 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4058 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4060 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * c-common.c (check_function_arguments): Call
4064 'check_function_format' if either -Wformat or
4065 -Wmissing-format-attribute are specified.
4066 * c-format.c (check_function_format): Check -Wformat before
4067 calling 'check_format_info'.
4068 * c-opts.c (c_common_post_options): Don't warn for
4069 -Wmissing-format-attribute without -Wformat.
4070 * c-typeck.c (convert_for_assignment): Detect additional cases for
4071 -Wmissing-format-attribute.
4072 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4075 2005-07-19 Richard Guenther <rguenther@suse.de>
4077 * config/i386/i386.md (lrint<mode>2): Use temporary
4078 instead of clobbering non-existent memory.
4080 2005-07-19 Nick Clifton <nickc@redhat.com>
4082 * config/avr/avr.c (legitimate_address_p): Fix debugging print
4083 statement to avoid displaying ASCII control characters.
4085 2005-07-19 Ben Elliston <bje@au.ibm.com>
4087 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4088 * cfganal.c (find_edge_index): Ditto.
4089 * combine.c (combine_instructions): Ditto.
4090 * ddg.c (create_scc): Ditto.
4091 (find_successors): Ditto.
4092 (find_predecessors): Ditto.
4093 (find_nodes_on_paths): Ditto.
4094 (longest_simple_path): Ditto.
4095 * flow.c (update_life_info): Ditto.
4096 (count_or_remove_death_notes): Ditto.
4097 (clear_log_links): Ditto.
4098 * modulo-sched.c (generate_reg_moves): Ditto.
4099 (find_max_asap): Ditto.
4100 (find_max_hv_min_mob): Ditto.
4101 (find_max_dv_min_mob): Ditto.
4102 * sbitmap.c (sbitmap_first_set_bit): Ditto.
4103 * sched-rgn.c (extract_edgelst): Ditto.
4104 * tree-into-ssa.c (prepare_names_to_update): Ditto.
4105 (dump_update_ssa): Ditto.
4106 (ssa_names_to_replace) Ditto.
4107 (switch_virtuals_to_full_rewrite): Ditto.
4108 (update_ssa): Ditto.
4109 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4111 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
4113 Fix PR tree-optimization/22483
4115 * tree-complex.c (create_components): Use
4116 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4117 * tree-flow-inline.h (fill_referenced_var_vec): New function.
4118 * tree-flow.h (safe_referenced_var_iterator): New structure.
4119 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4120 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4121 safe_referenced_var iterator.
4122 (add_type_alias): Ditto.
4124 2005-07-19 Steven Bosscher <stevenb@suse.de>
4126 * loop-init.c (rest_of_handle_loop2): Remove.
4127 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4128 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4129 (pass_rtl_loop_init, pass_rtl_loop_done,
4130 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4131 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4132 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4133 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4134 pass_tree_loop_done, and pass_tree_unswitch.
4135 (gate_loop): Rename to gate_tree_loop.
4136 * passes.c (init_optimization_passes): Update for renamed tree
4137 loop passes. Add the new loop2 passes as subpasses of loop2.
4138 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4139 Update for the renamed tree loop passes.
4141 2005-07-18 Ian Lance Taylor <ian@airs.com>
4144 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4145 blocks when optimizing.
4147 2005-07-18 Steve Ellcey <sje@cup.hp.com>
4149 * common.opt (frename-registers): Initialize to 2.
4151 (fgcse-after-reload): Ditto.
4152 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4153 (process_options): Only change flag_web, flag_rename_registers,
4154 and flag_rerun_cse_after_loop if not explicitly set by user.
4156 2005-07-18 Jan Beulich <jbeulich@novell.com>
4158 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4159 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4160 in 64-bit mode the same as DImode in 32-bit mode.
4161 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4162 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4163 mode. Add new mode parameter.
4164 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4165 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4166 x86_64_shift_adj): New expanders.
4167 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4168 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4170 Respective new splitters. Use renamed shift splitter helpers in 32-bit
4171 DImode shift splitters.
4172 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4173 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4176 2005-07-18 Jan Beulich <jbeulich@novell.com>
4178 * i386.md (movdi_extzv_1): New.
4179 (zero_extendhidi2): Combine alternatives and never force use of
4181 (zero_extendqidi2): Likewise. Don't restrict input selection.
4183 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4185 Fix PR tree-optimization/22531
4186 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
4189 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4191 * tree-promote-statics.c (pass_promote_statics): Change dump file
4194 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4196 * tree-optimize.c (init_tree_optimization_passes): Add
4197 pass_eliminate_useless_stores pass.
4198 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4199 * tree-ssa-pre.c (is_copy_stmt): New function.
4200 (follow_copies_till_vuse): Ditto.
4201 (do_eustores): Ditto.
4202 (gate_eustores): Ditto.
4204 2005-07-16 Richard Henderson <rth@redhat.com>
4206 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4208 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4209 Kenneth Zadeck <zadeck@naturalbridge.com>
4211 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4212 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4213 ipa-type-escape.h, tree-promote-statics.c
4214 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4215 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4216 tree-promote-statics.c: new files.
4217 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4218 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4219 int nonlocal_set_p, mark_constant_function): Deleted.
4220 (rest_of_handle_cfg): Removed call to mark_constant_function.
4221 (nonoverlapping_component_refs_p): Added calls to support
4222 type based aliasing.
4223 * tree-ssa-alias.c (may_alias_p,
4224 compute_flow_insensitive_aliasing): Ditto.
4225 * calls.c (flags_from_decl_or_type): Removed reference to
4227 * c-typeck.c (convert_arguments): Make builtins tolerant of having
4228 too many arguments. This is necessary for Spec 2000.
4229 * cgraph.h (const_function, pure_function): Removed.
4230 * common.opt: Added "fipa-pure-const", "fipa-reference",
4231 "fipa-type-escape", and "ftree-promote-static".
4233 * passes.c: Added ipa and tree-promote-statics passes.
4234 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4235 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4236 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4237 * tree-flow.h: Added exposed sra calls and addition of
4238 reference_vars_info field for FUNCTION_DECLS.
4239 * tree-pass.h: Added passes.
4240 * tree-sra.c: (sra_init_cache): New function.
4241 (sra_insert_before, sra_insert_after) Made public.
4242 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4244 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4245 aliasing. (may_alias_p): Added code to use type escape analysis to
4247 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4248 code to prune clobbers of static variables based on information
4249 produced in ipa-reference pass. Changed call clobbering so that
4250 statics are not marked as clobbered if the call does not clobber
4253 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
4255 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4258 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4260 * doc/install.texi (*-*-solaris2*): Document recommended version
4261 of GNU binutils and mention GNU linker problem on Solaris 10.
4263 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
4266 * c-decl.c (c_build_bitfield_integer_type): New function.
4267 (finish_struct): Call it.
4268 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4270 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4272 * c-typeck.c (digest_init): Call 'convert_for_assignment'
4275 2005-07-16 Jan Hubicka <jh@suse.cz>
4277 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4278 (scale_bbs_frequencies_int): Watch roundoff errors.
4279 * predict.c (return_prediction): Initialize return_stmt.
4281 2005-07-16 Jan Hubicka <jh@suse.cz>
4283 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4284 after RTL profiling.
4286 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
4289 * fold-const.c (build_range_check): Convert high/low to etype
4290 if we are only comparing against exp.
4292 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
4294 Fix PR tree-optimization/22376
4295 * tree-ssa-structalias.c (build_constraint_graph): We really meant
4297 (need_to_solve): New function.
4298 (compute_points_to_sets): Use it.
4300 2005-07-15 Jan Hubicka <jh@suse.cz>
4302 * cfg.c (update_bb_profile_for_threading): More diagnostic.
4303 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4305 2005-07-15 Richard Guenther <rguenther@suse.de>
4307 * c-common.c (handle_flatten_attribute): New function.
4308 Add flatten function attribute.
4309 * doc/extend.texi: Document flatten function attribute.
4310 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4311 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4313 (cgraph_decide_inlining): Handle functions with flatten
4316 2005-07-14 David Edelsohn <edelsohn@gnu.org>
4318 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4319 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4320 UNSPEC_XCHG, UNSPEC_AND): New.
4321 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4322 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4323 * config/rs6000/sync.md (FETCHOP): New code macro.
4324 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4326 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4327 (sync_compare_and_swap<mode>): Same.
4328 (sync_lock_test_and_set<mode>): Same.
4329 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4330 for QImode and HImode, and not PPC405.
4331 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4332 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4333 (sync_<fetchop>{si,di}_internal): New.
4334 (sync_nand{si,di}_internal): New.
4335 (sync_old_<fetchop>{si,di}_internal): New.
4336 (sync_old_nand{si,di}_internal): New
4337 (sync_new_<fetchop>{si,di}_internal): New.
4338 (sync_new_nand{si,di}_internal): New.
4339 (atomic_and{si,di}): New.
4340 (sync_new_nand{si,di}_internal): New.
4341 (atomic_and{si,di}): New.
4342 (sync_add<mode>_internal): Delete.
4343 (sync_addshort_internal): Use unspec instead of unspec_volatile.
4344 (sync_sub<mode>_internal): Delte.
4345 (sync_subshort_internal): New.
4346 (sync_andsi_internal): Use unspec instead of unspec_volatile.
4347 (sync_anddi_internal): Delete.
4348 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4349 (sync_booldi_internal): Delete.
4350 (sync_boolc<mode>_internal): Delete.
4351 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4352 (sync_boolc<mode>_internal2): Delete.
4353 (sync_boolcc<mode>_internal): Delete.
4354 (isync, lwsync): Use unspec instead of unspec_volatile.
4355 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4356 Revert UNSPEC_VOLATILE.
4357 (rs6000_split_atomic_op): New.
4358 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4360 2005-07-14 Eric Christopher <echristo@redhat.com>
4362 * config/mips/mips.c (mips_canonicalize_comparison): Cast
4363 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4365 2005-07-14 Eric Christopher <echristo@redhat.com>
4367 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4369 2005-07-14 Steven Bosscher <stevenb@suse.de>
4371 PR tree-optimization/22230
4372 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4373 the computation of the four cross productions for "range op range".
4375 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
4376 Ulrich Weigand <uweigand@de.ibm.com>
4379 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4382 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4384 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4386 2005-07-14 Steve Ellcey <sje@cup.hp.com>
4388 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4390 2005-07-14 Richard Guenther <rguenther@suse.de>
4393 * config/i386/i386-protos.h (ix86_function_value): Change
4394 prototype to match new target hook.
4395 * config/i386/i386.c (ix86_value_regno): Change prototype
4396 to take extra type argument.
4397 (TARGET_FUNCTION_VALUE): Define.
4398 (ix86_function_ok_for_sibcall): Pass extra argument to
4399 ix86_value_regno, check return slot rtx for exact match.
4400 (ix86_function_value): Take extra parameter. Dispatch to
4401 ix86_value_regno with fndecl/fntype as provided.
4402 (ix86_value_regno): Handle extra type argument.
4403 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4405 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4406 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4407 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4408 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4409 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4411 2005-07-14 Richard Guenther <rguenther@suse.de>
4413 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4414 * calls.c (expand_call): Pass fntype to hard_function_value.
4415 (emit_library_call_value_1): Likewise.
4416 * explow.c: Include target.h.
4417 (hard_function_value): Take extra argument, the fntype.
4418 Use new target hook for function_value.
4419 * expr.h (hard_function_value): Change prototype.
4420 * function.c (aggregate_value_p): Pass 0 as fntype to
4421 hard_function_value.
4422 (assign_parms): Use new target hook for function_value.
4423 Pass 0 as fntype to hard_function_value.
4424 (expand_function_end): Likewise.
4425 * reg-stack.c: Include target.h.
4426 (stack_result): Use new target hook for function_value.
4427 * target-def.h: New target hook function_value.
4428 * target.h: Likewise.
4429 * targhooks.c (default_function_value): New function.
4430 * targhooks.h (default_function_value): Declare.
4432 2005-07-13 Ian Lance Taylor <ian@airs.com>
4434 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4436 2005-07-14 Jan Hubicka <jh@suse.cz>
4438 * tree-dfa.c (dump_variable): Use default_def function.
4439 * tree-ssa-alias.c (dump_points_to_info): Likewise.
4440 * tree-ssa.c (verify_use): Likewise.
4441 * tree-ssanames.c (release_ssa_name): Likewise.
4442 * tree-tailcall.c (eliminate_tail_call): Likewise.
4443 (tree_optimize_tail_calls_1): Likewise.
4444 * tree-vrp.c (get_value_range): Likewise.
4446 2005-07-14 Ben Elliston <bje@au.ibm.com>
4448 * gcc.c (main): Compare language[0] with '*' when iterating over
4451 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4453 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4454 "s390_emit_compare". Add handling of CCZ1mode.
4455 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4456 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4458 (s390_branch_condition_mask): Add CCZ1mode handling.
4459 * config/s390/s390.md: ("seq", "*seq"): New pattern.
4460 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4461 Use CCZ1mode instead of CCZmode.
4462 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
4464 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4466 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4468 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4470 2005-07-13 Eric Christopher <echristo@redhat.com>
4472 * config/mips/mips.c (mips_canonicalize_comparison): New.
4473 (mips_emit_int_relational): Use.
4475 2005-07-13 Eric Christopher <echristo@redhat.com>
4477 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4479 * config/s390/s390.md: Include tpf.md. Move tpf specific
4481 * config/s390/tpf.md: To here.
4482 * config/s390/s390.opt: Move tpf specific options...
4483 * config/s390/tpf.opt: to here. Add mmain option.
4484 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4485 * config/s390/tpf.h: Rewrite.
4487 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4489 * doc/tm.texi: Remove @xref{Cross-profiling}.
4491 2005-07-13 Jeff Law <law@redhat.com>
4493 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4494 expressions, test their _DECL operands for pointer equality rather
4495 than using operand_equal_p.
4497 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4499 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4500 (TARGET_POSIX_IO): This.
4501 * config/darwin.h: Likewise.
4502 * config/freebsd.h: Likewise.
4503 * config/linux.h: Likewise.
4504 * config/lynx.h: Likewise.
4505 * config/netbsd.h: Likewise.
4506 * config/rs6000/linux64.h: Likewise.
4507 * config/rs6000/linux.h: Likewise.
4508 * config/s390/tpf.h: Likewise.
4509 * config/sh/embed-elf.h: Likewise.
4510 * config/sparc/linux64.h: Likewise.
4511 * config/sparc/linux.h: Likewise.
4512 * config/svr4.h: Likewise.
4513 * gcov-io.h: Likewise.
4515 * doc/tm.texi: Updated.
4517 * libgcov.c (create_file_directory): Defined only if
4518 TARGET_POSIX_IO is defined.
4519 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4522 2005-07-13 Jan Hubicka <jh@suse.cz>
4524 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4526 2005-07-13 David Edelsohn <edelsohn@gnu.org>
4528 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4529 structure as argument.
4531 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
4533 PR tree-optimization/21921
4534 * tree-iterator.c (tsi_link_before): Support the case when
4535 tsi_end_p (tsi) == true.
4537 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4539 PR tree-optimization/22442
4540 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4543 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4545 PR rtl-optimization/20376
4546 * toplev.c (process_options): Enable -fweb and -frename-registers when
4548 * doc/invoke.texi: Update the information about when -fweb and
4549 -frename-registers are enabled.
4551 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4554 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4555 if *rhs_p is not a SSA_NAME.
4557 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
4559 Fix PR tree-optimization/22422
4560 * tree-ssa-structalias.c (struct variable_info): Add flag for
4562 (get_varinfo): Now a static function.
4563 (new_varinfo): init has_union and is_special_var to false.
4564 (solution_set_add): Check has_union.
4565 (do_da_constraint): Move temporary variable so it gets reset
4567 Also check for special variable.
4568 (do_ds_constraint): Ditto.
4569 (do_sd_constraint): Ditto.
4570 (do_structure_copy): Check for special variable.
4571 (find_func_aliases): Ditto.
4572 (init_base_vars): Set special vars properly.
4574 2005-07-13 Jan Hubicka <jh@suse.cz>
4576 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4579 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4580 (get_expr_operands): Fix thinko wrt flags and subvars.
4582 PR tree-optimize/22379
4583 * tree-inline.c (expand_call_inline): Do not output sorry in early
4586 2005-07-12 Dale Johannesen <dalej@apple.com>
4588 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
4590 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4593 * host-linux.h: Include limits.h.
4595 2005-07-12 Dale Johannesen <dalej@apple.com>
4597 * expr.c (compress_float_constant): Add cost check.
4598 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
4600 2005-07-12 Dale Johannesen <dalej@apple.com>
4602 * gcc.target/i386/compress-float-sse.c: New.
4603 * gcc.target/i386/compress-float-sse-pic.c: New.
4604 * gcc.target/i386/compress-float-387.c: New.
4605 * gcc.target/i386/compress-float-387-pic.c: New.
4606 * gcc.dg/compress-float-ppc.c: New.
4607 * gcc.dg/compress-float-ppc-pic.c: New.
4609 2005-07-12 Eric Christopher <echristo@redhat.com>
4611 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4613 * config/s390/s390.md: Include tpf.md. Move tpf specific
4615 * config/s390/tpf.md: To here.
4616 * config/s390/s390.opt: Move tpf specific options...
4617 * config/s390/tpf.opt: to here. Add mmain option.
4618 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4619 * config/s390/tpf.h: Rewrite.
4621 2005-07-12 Eric Christopher <echristo@redhat.com>
4623 * gcc.c (struct infile): Update comment for language.
4624 (main): Rewrite input file resetting code.
4626 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4629 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4630 requiring a cast in a non RHS of modify_expr. Add a cast when required.
4631 (lookup_avail_expr): Use constant_boolean_node instead
4632 of boolean_false_node/boolean_true_node.
4634 2005-07-12 Ben Elliston <bje@au.ibm.com>
4636 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4637 and use it when printing num_edges.
4639 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
4641 * doc/extend.texi (Blackfin Built-in Functions): New section.
4642 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4645 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
4647 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4648 s/cmpstrsi/cmpstrnsi
4649 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4651 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4652 (init_optabs): Initialize cmpstrn_optab.
4653 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4654 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4655 * expr.c: (enum insn_code cmpstrn_optab): Declare.
4656 * config/i386/i386.md: s/cmpstr/cmpstrn
4657 * config/c4x/c4x.md: s/cmpstr/cmpstrn
4658 * doc/md.texi: Update documentation.
4660 2005-07-11 Richard Henderson <rth@redhat.com>
4662 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4663 build_va_arg_indirect_ref.
4664 (alpha_gimplify_va_arg): Likewise.
4665 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4666 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4667 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4668 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4669 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4670 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4672 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4674 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4676 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4677 * passes.c (init_optimization_passes): Add pass_empty_loop.
4678 * tree-pass.h (pass_empty_loop): Declare.
4679 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4680 try_remove_empty_loop, remove_empty_loops): New functions.
4681 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4682 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4684 2005-07-12 Peter Barada <peter@the-baradas.com>
4688 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4689 in address registers.
4690 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4691 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4692 alternative of addsi3_5200.
4694 2005-07-11 Ian Lance Taylor <ian@airs.com>
4696 * config/mips/mips.md (ffs<mode>2): Remove.
4698 2005-07-11 Ian Lance Taylor <ian@airs.com>
4700 * doc/tree-ssa.texi (Cleanups): Improve description of
4702 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4704 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4706 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4707 * tree.h (DECL_ARGUMENT_FLD): New macro.
4709 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4711 Fix PR tree-optimization/22404
4713 * tree-ssa-structalias.c (create_variable_info_for): Use
4716 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
4718 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4719 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4720 for second comparison operand.
4721 * config/bfin/predicates.md (reg_or_const_int_operand): New.
4723 * config/bfin/bfin.md (define_attr "type"): Add "sync".
4724 (define_insn_reservation "alu"): Likewise.
4725 (csync, ssync): Now of type sync.
4726 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4727 -mcsync-anomaly -mspecld-anomaly.
4728 * config/bfin/bfin.opt (mcsync): Remove.
4729 (mcsync-anomaly, mspecld-anomaly): Add.
4730 * config/bfin/bfin.c: Include "insn-codes.h".
4731 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4732 (TARGET_DEFAULT_TARGET_FLAGS): New.
4733 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4735 2005-07-11 Steven Bosscher <stevenb@suse.de>
4737 * basic-block.h: Give the BB flags enum a name, bb_flags.
4738 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4739 * cfgcleanup.c (enum bb_flags): Remove here.
4740 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4741 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4742 (update_forwarder_flag): Likewise.
4743 (thread_jump): Likewise.
4744 (try_forward_edges): Likewise.
4745 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
4746 forwarder flags. Don't clear bb->aux for all basic blocks. Only
4747 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4749 2005-07-11 Richard Guenther <rguenther@suse.de>
4751 * config/i386/i386.opt: New target option -msseregparm.
4752 * config/i386/i386.c (override_options): Error out for
4753 -msseregparm but no SSE support.
4754 (ix86_function_sseregparm): Check for global sseregparm.
4755 * doc/invoke.texi: Document -msseregparm.
4757 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4759 * config.gcc (m32r-*-linux*): Use the default extra_parts.
4760 (m32rle-*-linux*): Ditto.
4762 2005-07-11 Jakub Jelinek <jakub@redhat.com>
4764 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4765 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4768 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4772 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4773 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4775 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
4777 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4778 (varmap): Heapify varmap.
4779 (constraints): Heapify constraints.
4780 (struct constraint_graph): Heapify succs and preds.
4781 (constraint_vec_find): Update for heapification.
4782 (constraint_set_union): Ditto.
4783 (insert_into_complex): Ditto.
4784 (constraint_edge_vec_find): Ditto.
4785 (erase_graph_self_edge): Ditto.
4786 (add_graph_edge): Ditto.
4787 (get_graph_weights): Ditto.
4788 (merge_graph_nodes): Ditto.
4789 (build_constraint_graph): Ditto.
4790 (topo_visit): Ditto.
4791 (solve_graph): Ditto.
4792 (create_variable_info_for): Ditto.
4793 (init_base_vars): Ditto.
4794 (delete_points_to_sets): Free graph, varmap, and complex constraints.
4795 (condese_varmap_nodes): Free complex vector.
4796 (clear_edges_for_node): Clear succs and preds vector.
4798 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4800 * tree-ssa-structalias.c (update_alias_info): Change counting of
4801 references to not include vdefs.
4803 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4805 * tree-ssa-alias.c (free_used_part_map): Add missing free.
4808 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4810 * pa.c (pa_commutative_p): Make PLUS commutative when
4811 TARGET_NO_SPACE_REGS is true.
4813 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4815 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4816 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4817 * tree-dfa.c (dump_subvars_for): New.
4818 (debug_subvars_for): New.
4819 (dump_variable): Show subvariables if VAR has them.
4820 * tree-flow-inline.h (get_subvar_at): New.
4821 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4822 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4824 (struct subvar): Change fields offset and size to unsigned
4826 (dump_subvars_for): Declare.
4827 (debug_subvars_for): Declare.
4828 (get_subvar_at): Declare.
4829 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4830 to unsigned HOST_WIDE_INT *.
4831 (overlap_subvar): Likewise.
4832 * tree-gimple.c (is_gimple_reg): Always return false for
4833 SFTs and memory tags.
4834 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4836 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4837 (compute_may_aliases): Call compute_points_to_sets.
4838 (collect_points_to_info_for): Remove.
4839 (compute_points_to_and_addr_escape): Remove.
4840 (delete_alias_info): Call delete_points_to_sets.
4841 (compute_flow_sensitive_aliasing): If the call to
4842 find_what_p_points_to returns false, call set_pt_anything.
4843 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4844 (set_pt_anything): Clear pi->pt_vars.
4845 (set_pt_malloc): Remove.
4846 (merge_pointed_to_info): Remove.
4847 (add_pointed_to_expr): Remove.
4848 (add_pointed_to_var): Remove.
4849 (collect_points_to_info_r): Remove.
4850 (is_escape_site): Make extern.
4852 (create_overlap_variables_for): Call it.
4853 * tree-ssa-copy.c (merge_alias_info): Never merge
4854 flow-sensitive alias information.
4855 * tree-ssa-operands.c (get_expr_operands): Adjust variables
4856 offset and size to be unsigned HOST_WIDE_INT.
4857 (add_to_addressable_set): Rename from note_addressable.
4858 Set TREE_ADDRESSABLE as the variables are added to the set.
4860 (add_stmt_operand): Do not try to micro-optimize unmodifiable
4861 operands into VUSEs when adding V_MAY_DEFs for members in an
4863 * tree-ssa-operands.h (add_to_addressable_set): Declare.
4864 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4865 (struct variable_info): Add bitfield is_heap_var.
4866 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4867 (new_var_info): Initialize is_heap_var.
4868 (get_constraint_for): Add HEAP variables to the symbol table.
4869 Mark them with is_heap_var.
4870 (update_alias_info): New. Taken mostly from the old
4871 compute_points_to_and_addr_escape.
4872 (handle_ptr_arith): New.
4873 (find_func_aliases): Call update_alias_info.
4874 Call handle_ptr_info for tcc_binary expressions.
4875 Call mark_stmt_modified.
4876 (create_variable_info_for): If DECL has subvars, do not create
4877 variables for its subvars. Always add all the fields.
4878 (set_uids_in_ptset): If the solution includes ANYOFFSET and
4879 SFTs, then add all the SFTs of the structure.
4880 If VI->DECL is an aggregate with subvariables, add the SFT at
4882 (find_what_p_points_to): If VI is an artificial variable,
4883 translate to bitfields in SSA_NAME_PTR_INFO.
4884 If the solution is empty, set pi->pt_vars to NULL
4885 (init_base_vars): Create ANYOFFSET.
4886 (compute_points_to_sets): Rename from create_alias_vars.
4888 (pass_build_pta): Remove.
4889 (delete_points_to_sets): Rename from delete_alias_vars.
4890 (pass_del_pta): Remove.
4891 * tree-ssa-structalias.h (struct alias_info): Move from
4893 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4894 NUM_REFERENCES_SET): Likewise.
4895 (compute_points_to_sets, delete_points_to_sets): Declare.
4897 2005-07-09 Richard Henderson <rth@redhat.com>
4899 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4900 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4901 alpha_split_lock_test_and_set_12): New functions.
4902 * config/alpha/alpha-protos.h: Update.
4903 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4904 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4905 * config/alpha/sync.md (I12MODE): New.
4906 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4907 (sync_<fetchop_name><I48MODE>): Likewise.
4908 (sync_nand<I48MODE>): Likewise.
4909 (sync_old_<fetchop_name><I48MODE>): Likewise.
4910 (sync_new_<fetchop_name><I48MODE>): Likewise.
4911 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4912 (sync_compare_and_swap<I48MODE>): Likewise.
4913 (sync_lock_test_and_set<I48MODE>): Likewise.
4914 (sync_compare_and_swap<I12MODE>): New.
4915 (sync_compare_and_swap<I12MODE>_1): New.
4916 (sync_lock_test_and_set<I12MODE>): New.
4917 (sync_lock_test_and_set<I12MODE>_1): New.
4919 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4923 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4925 2005-07-09 Jakub Jelinek <jakub@redhat.com>
4927 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4928 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4930 2005-07-09 Richard SAndiford <richard@codesourcery.com>
4933 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4935 2005-07-08 David Edelsohn <edelsohn@gnu.org>
4937 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4938 memory_operand constraint.
4939 (store_conditional_<mode>): Same.
4940 (sync_compare_and_swap<mode>): Same.
4941 (sync_lock_test_and_set<mode>): Same.
4943 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
4945 Rewrite PIC support to more closely model actual instructions.
4946 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4947 (cris_symbol): Remove prototypes for removed functions.
4948 (cris_pic_symbol_type_of, cris_valid_pic_const)
4949 (cris_expand_pic_call_address): Prototypes for new functions.
4950 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4952 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4954 <case ':'>: Add case for new punctuation character.
4955 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4956 emitting (extra) PIC modifier.
4957 <case UNSPEC>: Do not assert for PLT.
4958 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4959 (cris_expand_prologue, cris_expand_epilogue): Check
4960 for pic_offset_table_rtx usage instead of taking
4961 current_function_uses_pic_offset_table as the final word.
4962 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4963 Remove flag_pic difference.
4964 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4965 the moral equivalents of...
4966 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4968 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4969 (cris_handle_option): Mark ARG as unused.
4970 (cris_expand_pic_call_address): New worker function for "call",
4972 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4973 output PIC constructs here.
4974 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4975 as symbol-specific modifers, not whole or part of operands.
4976 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4977 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4978 constants and flag_pic.
4979 (CONSTANT_INDEX_P): Adjust for new functions.
4980 (enum cris_pic_symbol_type): New helper type.
4981 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4982 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4983 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4985 ("movsi"): Emit actual instructions for GOT and relative access.
4986 ("*movsi_got_load"): New pattern to set up the register holding
4988 ("*movsi_internal"): Operand 1 is not a plain general_operand.
4989 Adjust FIXME for 'S'.
4990 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4991 Use "movs" for -fpic cases.
4992 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4993 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4994 ("call", "call_value"): Just call cris_expand_pic_call_address for
4996 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4997 Remove special pattern.
4998 ("*expanded_call_side", "*expanded_call_value_side"): New
5000 (gotplt-to-plt, gotplt-to-plt-side-call)
5001 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5003 * config/cris/cris/predicates.md
5004 ("cris_general_operand_or_gotless_symbol"): Remove unused
5006 ("cris_general_operand_or_symbol"): Adjust for new functions.
5008 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5010 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5012 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
5014 * Makefile.in (TREE_H): Add treestruct.def.
5015 (c-decl.o): Add pointer-set.h
5016 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5017 visibility on regular DECL's.
5018 (merge_decls): Fix the copying of decl nodes of various types for
5019 the new structures. Don't update RTL, section name, weak status,
5020 etc, on DECL's without RTL.
5021 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5022 Don't check volatile on non-variable types.
5023 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5024 to check whether we have seen arguments.
5025 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5026 flag is checked before field (flag is common, field is not).
5027 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
5028 TS_DECL_COMMON could have an origin.
5029 (add_location_or_const_value_attribute): Don't check section name
5030 on non-var/function decls.
5031 (dwarf2out_var_location): Reverse order of tests.
5032 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5033 with DECL_WRTL_CHECK.
5034 * expmed.c (make_tree): rtl is now in decl_with_rtl.
5035 * fold-const.c (fold_binary): Don't check weakness on
5036 non-var/function decls.
5037 (tree_expr_nonzero_p): Ditto.
5038 (fold_checksum_tree): Use tree_decl_extra as sizeof
5040 * ggc-page.c (extra_order_size_table): Add sizes for
5041 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
5043 * gimplify.c (gimplify_bind_expr): Only set
5044 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5045 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5047 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5048 * langhooks.h (init_ts). New langhook.
5049 * passes.c (rest_of_decl_compilation): Reverse order of tests.
5050 * print-tree.c (print_node): Update to only print fields that
5051 exist in the structures the passed decl has.
5052 * toplev.c (wrapup_global_declarations): Don't reset
5053 DECL_DEFER_OUTPUT on DECL's that don't contain it.
5054 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5055 * tree-inline.c (remap_decl): Ditto.
5056 * tree-outof-ssa.c (create_temp): Reverse order of tests.
5057 * tree-pretty-print.c (print_declaration): Don't print
5058 DECL_REGISTER on things that don't contain it.
5059 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5060 non-var/function decls.
5061 * tree.c (tree_contains_struct): New structure.
5062 (init_priority_for_decl): New hashtable.
5063 (tree_int_map): New structure.
5064 (tree_int_map_eq): New function.
5065 (tree_int_map_marked_p): Ditto.
5066 (tree_int_map_hash): Ditto.
5067 (tree_map): Move to tree.h.
5068 (tree_map_eq): Externalize.
5069 (tree_map_hash): Ditto.
5070 (tree_map_marked_p): Ditto.
5071 (init_ttree): Set up tree_contains_struct and call langhook.
5072 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5073 (tree_code_size): Update for new structures.
5074 (tree_node_structure): Update for new structures.
5075 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5077 (copy_node_stat): Copy init priority.
5078 (build_decl_stat): Ditto for visibility.
5079 (ts_enum_names): New.
5080 (tree_contains_struct_check_failed): New function.
5081 (decl_init_priority_lookup): Ditto.
5082 (decl_init_priority_insert): Ditto.
5083 * treestruct.def: New file.
5084 * tree.h (CODE_CONTAINS_STRUCT): New macro.
5085 (CONTAINS_STRUCT_CHECK): Ditto.
5086 (tree_contains_struct_check_failed): New prototype.
5087 (DECL_CHECK): Removed.
5088 (DECL_MINIMAL_CHECK): New.
5089 (DECL_COMMON_CHECK): Ditto.
5090 (DECL_WRTL_CHECK): Ditto.
5091 (DECL_NON_COMMON_CHECK): Ditto.
5092 (DECL_WITH_VIS_CHECK): Ditto.
5093 (VAR_OR_FUNCTION_DECL_P): Ditto
5094 (struct tree_decl_minimal): New structure.
5095 (struct tree_decl_common): Ditto.
5096 (struct tree_decl_with_rtl): Ditto.
5097 (struct tree_decl_with_vis): Ditto.
5098 (struct tree_decl_non_common): Ditto.
5099 (struct tree_field_decl): Ditto.
5100 (struct tree_parm_decl): Ditto.
5101 (struct tree_var_decl): Ditto.
5102 (struct tree_function_decl): Ditto.
5103 (struct tree_const_decl): Ditto.
5104 (struct tree_result_decl): Ditto.
5105 (union tree_node): Add new structures.
5106 * var-tracking.c (track_expr_p): Reverse order of tests.
5108 * doc/c-tree.texi: Add documentation on DECL node internal structure.
5110 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5112 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5113 * system.h: Poison FINALIZE_PIC.
5114 * doc/tm.texi (FINALIZE_PIC): Remove.
5116 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5119 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5120 to the correct type if we have a MODIFY_EXPR.
5122 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5124 PR tree-optimization/22360
5125 * tree.c (upper_bound_in_type): Fix calculations for casting
5126 to a non-wider signed type and casting a signed value to a
5127 wider unsigned type.
5128 (lower_bound_in_type): Fix calculations for casting to a
5129 non-wider signed type.
5131 PR tree-optimization/20139
5132 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5134 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5135 fold_cond_expr_cond.
5136 * tree-ssanames.c (release_defs): Assert in_ssa_p.
5137 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5139 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5142 * tree-complex.c (expand_complex_libcall): Produce
5143 REALPART_EXPR/IMAGPART_EXPR with the correct type.
5145 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
5147 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5148 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5149 b" assert and inserted fastpath code for this case.
5150 (bitmap_ior): Removed "a != b" assert.
5152 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5154 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5155 (ENDFILE_SPEC): Likewise.
5156 * config/m32r/m32r.h (ASM_SPEC): Likewise.
5158 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5159 a large stack frame at epilogue.
5161 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
5163 * final.c: Include sdbout.h when required.
5165 2005-07-07 Geoffrey Keating <geoffk@apple.com>
5167 * config.gcc (*-*-darwin*): Only one target-specific header file
5169 (powerpc-*-darwin*): Add version-specific header files.
5170 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5171 * config.in: Regenerate.
5172 * configure: Regenerate.
5173 * gcc.c: Include xregex.h.
5174 (version_compare_spec_function): New.
5175 (spec_function): Add version-compare.
5176 (replace_outfile_spec_function): Reformat comment.
5177 (compare_version_strings): New.
5178 * config/darwin-c.c (version_as_macro): New.
5179 (builtin_define): New.
5180 (darwin_cpp_builtins): New.
5181 * config/darwin-protos.h (darwin_cpp_builtins): New.
5182 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5183 (LIB_SPEC): Make unconditional, update comment.
5184 (TARGET_C99_FUNCTIONS): Define.
5185 * config/darwin.opt: Sort.
5186 (mmacosx-version-min=): New.
5187 * config/darwin7.h: Delete.
5188 * config/darwin8.h: Delete.
5189 * config/i386/darwin.h (): Call darwin_cpp_builtins.
5190 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5191 (TARGET_C99_FUNCTIONS): Define.
5192 * config/rs6000/darwin7.h: New.
5193 * config/rs6000/darwin8.h: New.
5194 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5195 (-mmacosx-version-min): Document.
5197 2005-07-07 Ian Lance Taylor <ian@airs.com>
5199 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5201 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
5204 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5206 2005-07-07 Khem Raj <kraj@mvista.com>
5208 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5209 in bytes, not words.
5211 2005-07-07 Paul Brook <paul@codesourcery.com>
5213 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5214 DEFAULT_FUNCTION_ARG_PADDING to upward.
5216 2005-07-07 Richard Henderson <rth@redhat.com>
5218 * function.c (locate_and_pad_parm): Record parameter alignment in
5219 stack_alignment_needed.
5221 2005-07-07 David Edelsohn <edelsohn@gnu.org>
5223 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5224 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5225 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5226 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5227 (define_attr "type"): Add isync, sync, load_l, store_c.
5228 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5229 Create scratch volatile MEM.
5230 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
5232 (load_locked_<mode>): New.
5233 (store_conditional_<mode>): New.
5234 (sync_compare_and_swap<mode>): Replace with splitter.
5235 (sync_lock_test_and_set<mode>): Replace with splitter.
5236 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5238 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
5239 is ics. Attribute isync.
5240 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
5242 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5243 and UNSPECV_SYNC_OP.
5244 (emit_unlikely_jump): New.
5245 (emit_load_locked): New.
5246 (emit_store_conditional): New.
5247 (rs6000_split_compare_and_swap): New.
5248 (rs6000_split_lock_test_and_set): New.
5249 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5250 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5251 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5252 rs6000_split_lock_test_and_set): Declare.
5253 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5254 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5255 store_c, isync, sync.
5257 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
5259 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5260 filenames to gtyp-gen.h.
5261 (s-typ-gen): Use it in place of for loops.
5263 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
5265 * hooks.c (hook_bool_rtx_int_false): New function.
5266 * hooks.h (hook_bool_rtx_int_false): Declare.
5267 * target-def.h (TARGET_COMMUTATIVE_P): Define.
5268 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5269 * target.h (struct gcc_target): Add commutative_p member.
5270 * targhooks.c (hook_bool_rtx_commutative_p): New function.
5271 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5272 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5273 (pa_commutative_p): New function.
5274 * jump.c (target.h): Include.
5275 (rtx_renumbered_equal_p): Use targetm.commutative_p.
5276 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5278 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5280 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5281 (s390_expand_setmem): New.
5282 * config/s390/s390.c: Likewise.
5283 (print_shift_count_operand): Truncate to 12 bits instead of 6.
5285 * config/s390/s390.md: ("setmem<mode>"): Accept character as
5286 general_operand. Call new function "s390_expand_setmem".
5287 ("clrmem_long", "*clrmem_long"): Rewrite to ...
5288 ("setmem_long", "*setmem_long"): ... this.
5290 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5292 * config/s390/s390.c: (optimization_options): Enable
5293 TARGET_MVCLE at -Os.
5294 * doc/invoke.texi: Document changes in default behaviour.
5295 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5297 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5299 * expr.c: (set_storage_via_setmem): Convert opchar to mode
5300 defined by back-end.
5302 2005-07-07 Jakub Jelinek <jakub@redhat.com>
5304 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5305 all sets in the pattern.
5306 * config/rs6000/rs6000.md (stack_protect_testsi,
5307 stack_protect_testdi): Likewise.
5309 2005-07-06 Jeff Law <law@redhat.com>
5311 * tree-vrp.c (simplify_using_ranges): Kill.
5312 (vrp_finalize): Remove call to simplify_using_ranges.
5313 (simplify_stmt_using_ranges): New function extracted from
5314 simplify_using_ranges.
5315 (simplify_div_or_mod_using_ranges): Likewise.
5316 (simplify_abs_using_ranges): Likewise.
5317 (simplify_cond_using_ranges): New function.
5318 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5319 * tree-ssa-propagate.c (substitute_and_fold): Call
5320 simplify_stmt_using_ranges if we have range information.
5322 2005-07-06 James E. Wilson <wilson@specifixinc.com>
5324 * config/ia64/ia64.c (ia64_reorg): Check optimize before
5325 ia64_flag_schedule_isns2.
5327 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5328 reading/writing general registers.
5329 (ia64_function_arg): Revert 2005-06-18 change.
5331 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
5333 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5334 (legitimize_tls_address): Use gcc_unreachable instead of abort.
5336 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
5338 * function.c (expand_function_end): Revert part of 2005-06-27
5339 patch. Do sjlj_emit_function_exit_after after return_label.
5341 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5343 * doc/install.texi (--disable-libssp): New.
5345 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
5347 * doc/invoke.texi: Update -fforce-mem documentation.
5348 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5349 code for -fforce-mem.
5350 * expmed.c: (store_bit_field,store_fixed_bit_field,
5351 extract_bit_field): Ditto.
5352 * expr.c: (convert_move): Ditto.
5353 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5354 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5355 emit_conditional_add,expand_float,expand_fix): Ditto.
5356 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5357 (common_handle_option): Issue warning when -fforce-mem specified.
5359 2005-07-06 Paul Brook <paul@codesourcery.com>
5361 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5363 * configure: Regenerate.
5365 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
5367 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5369 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
5371 Fix PR tree-optimization/22319
5372 Fix PR tree-optimization/22140
5373 Fix PR tree-optimization/22310
5375 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5376 variable sized types.
5377 Use correct type for intermediate structure on *a = *b structure
5380 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5382 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5384 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5385 (machine_function): Move typedef to...
5386 * config/rs6000/rs6000.c (machine_function): ... here. Add
5387 varargs_save_offset field.
5388 (rs6000_stack_t): Remove varargs_size field.
5389 (setup_incoming_varargs): Allocate varargs save area using
5390 assign_stack_local, try to make it as small as possible.
5391 Save offset from virtual_stack_vars_rtx to the save area
5392 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
5393 instead of magic 8 when fp word byte size is used.
5394 (rs6000_va_start): Use cfun->machine->varargs_save_offset
5395 instead of -RS6000_VARARGS_SIZE.
5396 (rs6000_stack_info, debug_stack_info,
5397 rs6000_initial_elimination_offset): Remove all traces of
5399 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5400 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5401 RS6000_VARARGS_AREA.
5403 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5405 PR tree-optimization/21963
5406 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5407 constant_multiple_of in the same way get_computation_cost_at does.
5409 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5411 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5412 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5413 (gen_compare_reg): If sparc_compare_emitted is set, clear it
5414 and return its previous value.
5415 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5416 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5418 (stack_protect_set, stack_protect_test): New expanders.
5419 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5420 stack_protect_testdi): New insns.
5421 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5422 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5424 2005-07-06 Jeff Law <law@redhat.com>
5426 * tree-ssa-dce.c (cfg_altered): New global.
5427 (tree_dce_init): Initialize cfg_altered.
5428 (remove_dead_stmt): If we remove an edge in the CFG, then set
5430 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5433 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5435 * Makefile.in (stamp-collect-ld): Use
5436 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
5437 ./collect-ld if it already exists.
5438 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5439 Don't remove ./nm if it already exists.
5441 2005-07-05 Devang Patel <dpatel@apple.com>
5443 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5444 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5445 * tree-vectorizer.c (vect_loop_location): New.
5446 (vect_print_dump_info): Use vect_loop_location.
5447 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5448 (vectorize_loops): Set vect_loop_location.
5449 * tree-vect-analyze.c (vect_analyze_offset_expr,
5450 vect_determin_vectorization_factor, vect_analyze_operations,
5451 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5452 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5453 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5454 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5455 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5456 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5457 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5458 vect_analyze_loop): Adjust vect_print_dump_info API.
5459 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5460 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5461 vect_finish_stmt_generation, vectorizable_assignment,
5462 vectorizable_operation, vectorizable_store, vectorizable_load,
5463 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5464 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5465 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5466 vect_transform_loop): Same.
5467 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5468 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5471 2005-07-05 Randolph Chung <tausq@debian.org>
5473 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5474 * configure: Regenerate.
5475 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5476 (pa_tls_referenced_p): Declare.
5477 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5478 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5479 (legitimize_tls_address): New.
5480 (hppa_legitimize_address): Handle TLS addresses.
5481 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5482 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5483 (emit_move_sequence): Handle TLS addresses.
5484 (pa_encode_section_info): Call default handler to handle common
5486 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5487 (CONSTANT_ADDRESS_P): Reject TLS operands.
5488 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5489 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5490 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5491 (UNSPEC_TLSLE): Define new constants.
5492 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5493 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5494 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5495 (tie_symbolic_operand, tle_symbolic_operand): New
5497 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
5499 * aclocal.m4: Update macros for autoconf 2.59 style.
5500 * configure.ac: Likewise.
5502 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5504 * pa.c (function_value): Handle small aggregates on 32-bit targets.
5505 (function_arg): Pass small aggregates in general registers on 32-bit
5507 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5509 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
5511 * Makefile.in (final.o): Fix dependencies.
5513 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5517 * langhooks.h (struct lang_hooks): Add expr_to_decl.
5518 * langhooks.c (lhd_expr_to_decl): New.
5519 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5521 (LANG_HOOKS_INITIALIZER): Update.
5522 * tree.c (recompute_tree_invarant_for_addr_expr): Call
5523 expr_to_decl langhook.
5524 * c-tree.h (c_expr_to_decl): Declare.
5525 * c-typeck.c (c_expr_to_decl): New.
5526 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5528 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5530 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5533 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5534 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5536 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
5538 * Makefile.in: Adjust dependencies.
5539 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5540 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5541 * alias.c (rest_of_handle_cfg, pass_cfg): New.
5542 * bb-reorder.c (duplicate_computed_gotos): Make it static.
5543 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5544 rest_of_compilation.
5546 * bb-reorder.c (gate_duplicate_computed_gotos,
5547 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5548 rest_of_handle_reorder_blocks, pass_reorder_blocks,
5549 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5550 pass_partition_blocks): New.
5551 * bt-load.c (gate_handle_branch_target_load_optimize,
5552 rest_of_handle_branch_target_load_optimize,
5553 pass_branch_target_load_optimize): New.
5554 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5556 * cfglayout.c (pass_insn_locators_initialize): New.
5557 * cfgrtl.c (pass_free_cfg): New.
5558 * combine.c (gate_handle_combine, rest_of_handle_combine,
5560 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5561 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5562 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5563 * except.c (pass_set_nothrow_function_flags,
5564 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5566 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5567 rest_of_handle_shorten_branches, pass_shorten_branches,
5568 rest_of_clean_state, pass_clean_state): New.
5569 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5570 rest_of_handle_remove_death_notes, pass_remove_death_notes,
5571 rest_of_handle_life, pass_life, rest_of_handle_flow2,
5573 * function.c (pass_instantiate_virtual_regs, pass_init_function,
5574 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5575 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5576 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5578 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5579 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5580 pass_rtl_ifcvt, gate_handle_if_after_combine,
5581 rest_of_handle_if_after_combine, pass_if_after_combine,
5582 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5583 pass_if_after_reload): New.
5584 * integrate.c (pass_initial_value_sets): New.
5585 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5586 pass_purge_lineno_notes): New.
5587 * mode-switching.c (rest_of_handle_mode_switching,
5588 pass_mode_switching): New.
5589 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5590 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5592 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5593 pass_loop_optimize): New.
5594 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5596 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5598 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5599 pass_postreload_cse): New.
5600 * profile.c (gate_handle_profiling, pass_profiling,
5601 rest_of_handle_branch_prob, pass_branch_prob): New.
5602 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5603 pass_split_before_regstack, gate_handle_split_before_regstack,
5604 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5605 rest_of_handle_split_all_insns, pass_split_all_insns): New.
5606 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5607 pass_stack_regs): New.
5608 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5609 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5610 pass_stack_adjustments): New.
5611 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5612 pass_regrename): New.
5613 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5614 pass_delay_slots, gate_handle_machine_reorg,
5615 rest_of_handle_machine_reorg, pass_machine_reorg): New.
5616 * rtl.h (extern void purge_line_number_notes): New.
5617 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5618 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5620 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5622 * value-prof.c (gate_handle_value_profile_transformations,
5623 rest_of_handle_value_profile_transformations,
5624 pass_value_profile_transformations): New.
5625 * var-tracking.c (gate_handle_var_tracking,
5626 pass_variable_tracking): New.
5627 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5629 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5630 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5631 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5632 rest_of_handle_old_regalloc, rest_of_handle_regrename,
5633 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5634 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5635 rest_of_handle_gcse2, rest_of_handle_regmove,
5636 rest_of_handle_tracer, rest_of_handle_if_conversion,
5637 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5638 rest_of_handle_web, rest_of_handle_branch_prob,
5639 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5640 rest_of_handle_jump_bypass, rest_of_handle_combine,
5641 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5642 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5643 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5644 rest_of_handle_mode_switching, rest_of_handle_jump,
5645 rest_of_handle_eh, rest_of_handle_stack_adjustments,
5646 rest_of_handle_flow2, rest_of_handle_jump2,
5647 rest_of_handle_peephole2, rest_of_handle_postreload,
5648 rest_of_handle_shorten_branches, rest_of_clean_state,
5649 rest_of_compilation): Remove.
5651 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5652 * passes.c (dump_flags, in_gimple_form, all_passes,
5653 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5654 register_dump_files, next_pass_1, last_verified, execute_todo,
5655 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5656 from tree-optimize.c.
5657 (init_optimization_passes): Moved from tree-optimize.c,
5658 adding the RTL optimizations.
5659 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5660 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5661 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5662 register_dump_files, next_pass_1, last_verified, execute_todo,
5663 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5664 init_tree_optimization_passes, ipa_passes): Delete.
5665 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5667 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5668 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5670 (ipa_passes): Remove.
5671 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5672 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5673 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5674 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5675 (dump_info_p, dump_flag): Moved to tree-dump.h.
5677 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5679 * passes.c (finish_optimization_passes): Use dump_begin
5680 and dump_end, TDI_end.
5681 (gate_rest_of_compilation): New.
5682 (pass_rest_of_compilation): Use it.
5683 (gate_postreload, pass_postreload): New.
5684 * toplev.c (general_init): Rename init_tree_optimization_passes.
5685 * toplev.h (init_tree_optimization_passes): Rename to
5686 init_optimizations_passes.
5687 * tree-dump.c (dump_flag): Make static.
5688 (dump_files): Remove RTL dumps.
5689 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5690 pass_cleanup_cfg, pass_free_cfg_annotations,
5691 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5692 pass_init_datastructures, pass_fixup_cfg): Make non-static.
5693 * tree-pretty-print.c: Include tree-pass.h.
5694 * cgraph.c: Include tree-dump.h.
5696 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5698 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5699 Only fall back to saying it points to readonly memory if
5702 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5704 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5705 * config/m32r/m32r.c (m32r_compute_frame_size,
5706 m32r_expand_prologue): Take current_function_profile into
5707 account whenever we reference
5708 current_function_uses_pic_offset_table.
5709 (m32r_finalize_pic): Remove.
5710 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5712 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
5714 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5715 instead of $<. Don't remove ./as if it already exists.
5717 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5720 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5721 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5722 for complex modes when generating code for PA 1.0.
5723 (VALID_FP_MODE_P): New macro.
5724 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5725 sets for all general and floating point modes. Align wide floating
5726 point modes to even register boundaries to comply with architectural
5728 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5729 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5730 (VALID_FP_MODE_P): New macro.
5731 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5732 sets for all general and floating point modes. Align wide floating
5733 point modes to even register boundaries to comply with architectural
5736 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5738 * tree-dump.c (dump_files): Initialize dump number for .cgraph
5741 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5743 * tree-ssa-structalias.c: Don't include expr.h.
5745 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5747 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5750 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5752 Fix PR tree-optimization/22279
5754 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5757 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
5759 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5761 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5763 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5764 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5765 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5766 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5767 config/stormy16/stormy16.c, config/v850/v850.c,
5768 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5769 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5770 Avoid "." or "\n" at end of diagnostics and capital letters at
5771 start of diagnostics.
5772 * combine.c, cse.c: Don't translate dump file output.
5773 * toplev.c (print_version): Only translate output if going to
5776 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5778 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5779 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5782 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5784 * pa.c (fix_range): Fix typo in comment.
5786 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5788 * tree-vrp.c (extract_range_from_assert): Replace
5789 fold (build (...)) with fold_build2.
5791 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5793 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5794 gcc_gfc_char_table, init_dynamic_gfc_info): New.
5795 (format_types_orig, handle_format_attribute): Add support for
5798 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
5800 * varasm.c (assemble_variable): Fix format specifier thinko.
5802 2005-07-03 Ira Rosen <irar@il.ibm.com>
5804 PR tree-optimization/22029 (and 22135)
5805 * tree-pretty-print.c (dump_generic_node): Check that the node is not
5806 a phi node before calling dump_vops.
5808 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5810 * tree-dump.h (dump_string_field): Declare.
5811 * tree-dump.c: Use it instead of dump_string.
5812 (dump_string_field): Make non-static.
5814 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
5816 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5817 up the minimal CFG stuff always when optimize > 0. Call
5818 split_all_insns_noflow in PIC case if needed.
5820 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5821 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5824 * c-decl.c (c_write_global_declarations): Dump contents of
5826 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5827 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5828 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5829 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5832 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5834 * c-common.h (GCC_DIAG_STYLE): Define.
5835 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
5836 version for format checking to 4.1.
5837 * c-format.c: Include toplev.h after c-common.h.
5838 (enum format_type): Add gcc_tdiag_format_type.
5839 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5840 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5841 (format_types_orig): Add gcc_tdiag.
5842 (init_dynamic_diag_info): Support gcc_tdiag formats.
5843 (handle_format_attribute): Likewise.
5844 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5845 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
5846 version for format checking to 4.1.
5847 (warning0, warning, error, pedwarn, sorry): Use
5849 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5850 (finish_aliases_1): Do not use %qE.
5851 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5852 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5853 Correct format bugs.
5854 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5855 parameter to unsigned HOST_WIDE_INT.
5856 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5858 2005-07-02 David Edelsohn <edelsohn@gnu.org>
5861 * expr.c (write_complex_part): Use adjust_address for MEM.
5862 (read_complex_part): Same.
5864 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
5866 Fix PR tree-optimization/22280
5868 * tree-sra.c (generate_element_init): Remove useless loop.
5870 2005-07-02 Richard Henderson <rth@redhat.com>
5872 * config/alpha/alpha.c (alpha_legitimize_address): Check for
5874 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5876 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
5879 * fold-const.c (fold_binary): Handle the return value of
5880 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5881 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5883 2005-07-02 Jeff Law <law@redhat.com>
5885 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5886 a eliminate type conversion which feeds an equality comparison
5887 if the original type or either operand in the comparison is a
5890 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
5892 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5893 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5895 * config/avr/avr.c: Do not use '`' as left quote.
5896 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5897 Remove "." from end of diagnostics. Make diagnostics start with
5900 2005-07-02 Zack Weinberg <zack@codesourcery.com>
5901 Joseph S. Myers <joseph@codesourcery.com>
5903 * toplev.c (default_tree_printer): Handle setting location with
5905 * c-objc.common.c (c_tree_printer): Likewise.
5906 * c-format.c (gcc_diag_flag_specs): Add '+'.
5907 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5908 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5910 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5911 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5912 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5913 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5914 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5915 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
5916 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
5917 format arguments where %J is used without %D.
5919 2005-07-02 Jakub Jelinek <jakub@redhat.com>
5921 * gcc.c (LINK_SSP_SPEC): Define.
5922 (link_ssp_spec): New variable.
5923 (LINK_COMMAND_SPEC): Add %(link_ssp).
5924 (static_specs): Add link_ssp_spec.
5925 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5926 * configure: Rebuilt.
5927 * config.in: Rebuilt.
5929 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5930 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5931 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5932 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5933 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5934 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5935 -0x7008(2) instead of reading __stack_chk_guard variable.
5936 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5938 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5939 (stack_protect_set, stack_protect_test): Use *_tls* patterns
5940 if TARGET_THREAD_SSP_OFFSET is defined.
5941 (stack_tls_protect_set_si, stack_tls_protect_set_di,
5942 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5945 2005-06-27 Richard Henderson <rth@redhat.com>
5946 * libgcc-std.ver (GCC_4.1.0): New.
5947 * libgcc.h (__stack_chk_guard): Declare.
5948 (__stack_chk_fail, __stack_chk_fail_local): Declare.
5949 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5950 * mklibgcc.in (lib2funcs): Add them.
5952 2005-07-01 Richard Henderson <rth@redhat.com>
5954 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5955 void * before struct sigcontext *.
5956 (x86_fallback_frame_state): Likewise.
5958 2005-07-01 James E. Wilson <wilson@specifixinc.com>
5960 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5962 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5965 * tree-ssa-reassoc.c (should_transpose): Fix which operand
5966 we check for SSA_NAME for.
5968 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
5970 Fix PR tree-optimization/22071
5972 * tree-ssa-structalias.c (offset_overlaps_with_access): New
5974 (get_constraint_for_component_ref): Use it.
5976 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5979 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5980 print out the last new line.
5982 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
5984 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5985 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5986 * config/cris/cris.c (cris_conditional_register_usage): Adjust
5987 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5988 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5989 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5990 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5991 (enum reg_class): New member CC0_REGS.
5992 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5993 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5994 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5995 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5996 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5997 Adjust for register now described.
5999 2005-07-01 Jakub Jelinek <jakub@redhat.com>
6002 * config/i386/i386.md (stack_protect_test_si,
6003 stack_protect_test_di): Add earlyclobber for scratch 3.
6004 * config/rs6000/rs6000.md (stack_protect_testsi,
6005 stack_protect_testdi): Add earlyclobber for scratch 3,
6006 remove earlyclobber from scratch 4.
6008 Older entries for 2005 can be found in ChangeLog-2005.