1 2006-11-16 Mike Stump <mrs@apple.com>
3 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4 pre-darwin9 system, unless the user asks for it directly.
5 (PREFERRED_DEBUGGING_TYPE): Likewise.
6 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
7 * config.gcc: Add suppport for darwin9.h.
8 * config/darwin9.h: Add.
9 * doc/install.texi (Specific): Clarify darwin documentation.
11 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
13 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
16 2006-11-16 Mike Stump <mrs@apple.com>
18 * Makefile.in (targhooks.o): Add $(OPTABS_H).
20 2006-11-16 Dirk Mueller <dmueller@suse.de>
22 * tree-vrp.c (get_value_range): Use XCNEW instead
24 (insert_range_assertions): Use XCNEWVEC instead
25 of XNEWVEC and memset.
26 (vrp_initialize): Same.
28 * tree-ssa-ccp.c (ccp_initialize): Same.
29 * predict.c (tree_bb_level_predictions): Same.
30 * calls.c (expand_call): Same.
31 * tree-ssa-copy.c (init_copy_prop): Same.
32 (fini_copy_prop): Same.
33 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
34 of GGC_NEW and memset.
36 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
39 * gimplify.c (gimplify_expr): Only force a load for references to
40 non-BLKmode volatile values.
41 * doc/implement-c.texi (Qualifiers implementation): Document the
42 interpretation of what a volatile access is.
43 * doc/extend.texi (C++ Extensions): Rework same documentation.
45 2006-11-16 Joseph Myers <joseph@codesourcery.com>
47 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
50 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
52 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
54 (arm_neg_abssi2): Renamed from neg_abssi2.
55 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
57 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
59 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
60 number of arguments passed to local functions in SSE registers is 3.
62 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
63 number of arguments passed in SSE registers to 3.
65 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
68 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
70 (get_last_bb_insn): ... new global function.
71 (basic_block.h): Declare it.
72 * haifa-sched.c (create_recovery_block): Use it.
74 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
77 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
79 2006-11-15 Paul Brook <paul@codesourcery.com>
81 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
82 _Unwind_GetTextRelBase): Move from here ...
83 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
84 _Unwind_GetTextRelBase): ... To here.
86 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
88 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
89 addresses we generate for testing are aligned.
91 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
94 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
95 to what is the const decl is a place holder for.
97 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
99 * config/i386/i386.opt: New target option -mx87regparm.
101 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
102 and float_in_x87 variables. mmx_words, sse_words: Remove.
103 (X87_REGPARM_MAX): Define.
105 * config/i386/i386.c (override_options): Error out for
106 -mx87regparm but no 80387 support.
107 (ix86_attribute_table): Add x87regparm.
108 (ix86_handle_cconv_attribute): Update comments for x87regparm.
109 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
110 (ix86_function_x87regparm): New function.
111 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
113 (init_cumulative_args): Initialize x87_nregs and float_in_x87
115 (function_arg_advance): Process x87_nregs and x87_regno when
116 floating point argument is to be passed in 80387 register.
117 (function_arg): Pass XFmode arguments in 80387 registers for local
118 functions. Pass SFmode and DFmode arguments to local functions
119 in 80387 registers when flag_unsafe_math_optimizations is set.
121 * reg-stack.c (convert_regs_entry): Disable NaN load for
122 stack registers that are used for argument passing.
124 * doc/extend.texi: Document x87regparm function attribute.
125 * doc/invoke.texi: Document -mx87regparm.
127 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
129 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
130 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
131 arg MODE; all callers changed. Use it to determine validity per
132 machine mode instead of using Pmode for all memory references.
133 (get_address_cost): Likewise add and use new arg MEM_MODE.
135 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
136 J"orn Rennecke <joern.rennecke@st.com>
138 * combine.c (likely_spilled_retval_1): Fix masking operation.
139 (likely_spilled_retval_p): Use proper pattern for call to
140 likely_spilled_retval_1.
142 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
144 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
146 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
147 that tests for CONSTANT_POOL_ADDRESS_P.
149 2006-11-15 Jakub Jelinek <jakub@redhat.com>
151 PR tree-optimization/29581
152 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
153 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
154 type is different between Y and USE, create a temporary
155 variable, initialize it at the beginning of the body bb
156 and use it as replacement instead of Y.
158 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
161 * gimplify.c (fold_indirect_ref_rhs): Use
162 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
164 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
166 * expmed.c (emit_store_flag_1): New function.
167 (emit_store_flag): Call it. If we can't find a suitable scc insn,
169 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
170 Use do_compare_rtx_and_jump.
171 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
172 * arm.md (cstoresi4): New define_expand.
173 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
174 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
175 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
177 2006-11-14 Caroline Tice <ctice@apple.com>
179 * dwarf2out.c (debug_pubtypes_section): New static global variable.
180 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
182 (pubname_table): Redefine as a vector.
183 (pubtype_table): New static global variable, defined as a vector.
184 (pubname_table_allocated): Remove static global variable.
185 (pubname_table_in_use): Remove static global variable.
186 (PUBNAME_TABLE_INCREMENT): Remove constant.
187 (size_of_pubnames): Add parameter to deal with either pubnames or
188 pubtypes, and change code to deal with table being a vector.
189 (add_pubname): Change to deal with table being a vector.
190 (add_pubtype): New function.
191 (output_pubnames): Add parameter to deal with either pubnames or
192 pubtypes, and change code to deal with table being a vector.
193 (gen_array_type_die): Add call to add_pubtype.
194 (gen_enumeration_type_die): Add call to add_pubtype.
195 (gen_struct_or_union_type_die): Add call to add_pubtype.
196 (gen_subroutine_type_die): Add call to add_pubtype.
197 (gen_typedef_die): Add call to add_pubtype.
198 (dwarf2out_init): Add code to initialize pubname_table and
199 pubtype_table vectors; also initialize debug_pubtypes_section.
200 (prune_unused_types): Change to deal with pubnames being a vector.
201 (dwarf2out_finish): Change to deal with pubnames being a vector; add
202 pubnames table to call to output_pubnames; Add code to output pubtypes
203 table if DEBUG_PUBTYPES_SECTION is defined.
204 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
206 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
208 2006-11-14 Joseph Myers <joseph@codesourcery.com>
210 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
211 iwmmxt_nregs if TARGET_IWMMXT_ABI.
212 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
213 movv2si_internal): Support moves between core registers.
215 2006-11-14 Eric Christopher <echristo@apple.com>
217 * configure: Regenerate with autoconf 2.59.
219 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
221 Fix PR tree-optimization/27755
223 * tree-ssa-pre.c: Update comments.
224 (bb_bitmap_sets): Add pa_in and deferred member.
225 (BB_DEFERRED): New macro.
226 (maximal_set): New variable.
227 (pre_stats): Add pa_insert member.
228 (bitmap_set_and): Short circuit orig == dest.
229 (bitmap_set_subtract_values): New function.
230 (bitmap_set_contains_expr): Ditto.
231 (translate_vuses_through_block): Add phiblock argument.
232 (dependent_clean): New function.
233 (compute_antic_aux): Update for maximal_set changes.
234 (compute_partial_antic_aux): New function.
235 (compute_antic): Handle partial anticipation.
236 (do_partial_partial_insertion): New function.
237 (insert_aux): Handle partial anticipation.
238 (add_to_sets): Add to maximal set.
239 (compute_avail): Ditto.
240 (init_pre): Initialize maximal_set.
241 (execute_pre): Do partial anticipation if -O3+.
243 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
245 PR rtl-optimization/29798
247 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
248 TARGET_INSN before any other check.
249 (fwprop_init): Always calculate dominators.
250 (fwprop_done): Always free them.
252 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
257 2006-11-13 DJ Delorie <dj@redhat.com>
259 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
260 temporary for intermediates.
262 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
264 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
265 (sh_optimize_target_register_callee_saved): #if 0 the code
266 using NOTE_INSN_LOOP_{BEG,END}.
268 2006-11-13 Roger Sayle <roger@eyesopen.com>
270 * fold-const.c (optimize_bit_field_compare): Recursively call
271 fold when simplifying non-constant comparisons between bit-fields.
273 2006-11-13 Jakub Jelinek <jakub@redhat.com>
275 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
277 * configure: Rebuilt.
279 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
281 * config/rs6000/cell.md: New file.
282 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
284 (ppccell_cost): New cost matrix.
285 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
286 (rs6000_override_options): Set rs6000_always_hint to false
287 for cell. Also align functions/lables/loops to 8byte
288 for the Cell. Use PROCESSOR_CELL.
289 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
291 (rs6000_variable_issue): If the insn is a nonpipelined instruction
292 on the Cell, return 0.
293 (rs6000_adjust_cost): Add Cell cost adjustments.
294 (is_microcoded_insn): Return true for Cell microcoded
296 (is_nonpipeline_insn): New function.
297 (rs6000_issue_rate): Add PROCESSOR_CELL.
298 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
300 (rs6000_use_sched_lookahead_guard): New function.
301 (rs6000_sched_reorder): Reorder the ready list, if the second
302 to last ready insn is a nonepipeline insn on the Cell.
303 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
304 (ASM_CPU_SPEC): Add Cell.
305 * config/rs6000/rs6000.md (cpu): Add Cell.
306 (cell_micro): New Attr.
309 2006-11-13 Jakub Jelinek <jakub@redhat.com>
311 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
313 * configure: Rebuilt.
315 2006-11-13 Richard Guenther <rguenther@suse.de>
317 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
319 (ix86_expand_lfloorceil): Likewise.
320 (ix86_expand_rint): Likewise.
321 (ix86_expand_floorceildf_32): Likewise.
322 (ix86_expand_floorceil): Likewise.
323 (ix86_expand_rounddf_32): Likewise.
324 (ix86_expand_truncdf_32): Likewise.
325 (ix86_expand_round): Likewise.
327 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
328 Mark Mitchell <mark@codesourcery.com>
330 * gcc.c: Organize search path variables into $prefix relative,
331 and well-known native. Add comments.
332 (add_sysrooted_prefix): Add comment.
333 (process_command): If !gcc_exec_prefix add $prefix based paths.
334 If *cross_compile == '0', add native well-known paths.
335 Assert tooldir_base_prefix is always relative.
336 (main): If print_search_dirs, and if gcc_exec_prefix is set,
337 use this value for 'install:' path.
338 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
340 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
342 * config/i386/i386.c: Fix a typo in comment.
344 2006-11-13 Michael Matz <matz@suse.de>
346 * genemit.c (gen_expand): Allocate enough memory.
348 2006-11-13 Joseph Myers <joseph@codesourcery.com>
350 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
351 __GXX_TYPEINFO_EQUALITY_INLINE but not
352 __GXX_MERGED_TYPEINFO_NAMES.
353 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
354 __GXX_MERGED_TYPEINFO_NAMES.
355 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
356 __GXX_TYPEINFO_EQUALITY_INLINE.
358 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
359 Zdenek Dvorak <dvorakz@suse.cz>
361 PR tree-optimization/29680
362 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
365 2006-11-12 Jason Merrill <jason@redhat.com>
366 Andrew Pinski <pinskia@physics.uc.edu>
369 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
371 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
373 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
374 * tree.c (build_vector): Handle non-_CST elements.
376 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
378 * genemit.c (gen_insn): Call gen_exp with a non-null used
379 when handling multiple insns.
380 (gen_expand): Likewise.
381 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
382 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
383 (movsi_const_16bit+1): Copy operands[1].
384 (call_pcrel): Copy the call_site pattern.
385 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
387 2006-11-12 Roger Sayle <roger@eyesopen.com>
389 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
390 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
391 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
392 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
394 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
396 Fix PR tree-optimization/29587
397 * tree-ssa-structalias.c (process_constraint): Don't
398 mark address taken due only to escaped vars constraint.
400 2006-11-12 Michael Matz <matz@suse.de>
401 Roger Sayle <roger@eyesopen.com>
403 PR rtl-optimization/29797
404 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
405 BITS_BIG_ENDIAN targets.
407 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * builtins.c (fold_builtin_cosh): New.
410 (fold_builtin_1): Use it.
411 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
412 trunc to the list of "odd" functions. Also add llrint, lrint,
413 rint and nearbyint when flag_rounding_math is false.
415 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
417 * tree-flow.h (name_mappings_registered_p): Declare.
418 * tree-into-ssa.c (name_mappings_registered_p): New function.
419 * tree-cfg.c (tree_can_merge_blocks_p): Check
420 name_mappings_registered_p instead of need_ssa_update_p.
422 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
424 * tree-ssa-loop.c (tree_vectorize): Return the result of
426 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
428 * tree-vectorizer.h (vectorize_loops): Declaration removed.
429 * tree-flow.h (vectorize_loops): Declaration changed.
431 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
433 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
435 (issue_prefetch_ref): Move assignment to write_p out of loop.
436 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
437 SIMULTANEOUS_PREFETCHES into account.
438 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
439 * lambda-code.c (lcm): Renamed to ...
440 (least_common_multiple): ... and exported.
441 * tree-flow.h (least_common_multiple): Declare.
443 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
445 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
446 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
447 ud-chains. Handle AND_EXPR.
448 (record_estimate): Record whether the estimate is realistic
449 and whether it is derived from a loop exit.
450 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
451 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
453 (compute_estimated_nb_iterations): Take only realistic bounds into
454 account. Set estimate_state. Use double_ints.
455 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
456 and infer_loop_bounds_from_signedness. Do not consider basic blocks
457 that do not have to be always executed.
458 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
459 to determine whether to call infer_loop_bounds_from_undefined
460 and compute_estimated_nb_iterations.
461 (n_of_executions_at_most): Use double_ints.
462 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
463 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
464 * double-int.c (double_int_to_tree): Improve comment.
465 (double_int_fits_to_tree_p): New function.
466 * double-int.h (double_int_fits_to_tree_p): Declare.
467 * tree-data-ref.c: Include langhooks.h.
468 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
469 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
470 (analyze_array): Do not pass estimate_only argument to
471 analyze_array_indexes.
472 (get_number_of_iters_for_loop): Build tree from the stored double_int
474 (get_references_in_stmt, find_data_references_in_stmt): New functions.
475 (find_data_references_in_loop): Use find_data_references_in_stmt.
476 * tree-data-ref.h (struct data_ref_loc_d): New.
477 (get_references_in_stmt): Declare.
478 (estimate_iters_using_array): Declaration removed.
479 * cfgloop.h (struct nb_iter_bound): Change type of bound to
480 double_int. Improve comments. Add is_exit and realistic
482 (struct loop): Changed type of estimated_nb_iterations to double_int.
483 Added estimate_state field.
484 (record_estimate): Declaration removed.
486 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
488 * params.c (set_param_value): Initialize the "set" field.
489 * params.h (struct param_info): Add "set" field.
490 (PARAM_SET_P): New macro.
491 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
492 L1_CACHE_LINE_SIZE): New macros.
493 * toplev.c (DEFPARAM): Initialize the "set" field.
494 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
495 SIMULTANEOUS_PREFETCHES): Removed.
496 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
497 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
498 * config/sparc/sparc.c: Include params.h.
499 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
500 L1_CACHE_LINE_SIZE parameters.
501 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
503 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
505 * config/i386/i386.c: Include params.h.
506 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
507 (override_options): Set SIMULTANEOUS_PREFETCHES and
508 L1_CACHE_LINE_SIZE parameters.
509 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
510 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
511 L1_CACHE_LINE_SIZE parameters.
512 * config/ia64/ia64.c (ia64_optimization_options): Set
513 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
514 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
516 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
517 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
518 * doc/invoke.texi: Document new params.
520 2006-11-12 Roger Sayle <roger@eyesopen.com>
522 PR tree-optimization/13827
523 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
526 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
528 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
529 update_single_exit_for_duplicated_loops): New functions.
530 (duplicate_loop_to_header_edge): Use
531 update_single_exit_for_duplicated_loops.
532 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
533 functions only with ENABLE_CHECKING.
535 2006-11-12 Andreas Schwab <schwab@suse.de>
537 * except.c (sjlj_emit_function_enter): Remove unused variable.
539 2006-11-11 Roger Sayle <roger@eyesopen.com>
541 * fold-const.c (int_binop_types_match_p): New function.
542 (size_binop): Relax constraint that both arguments must both have
543 exactly the same sizetype type. Instead use int_binop_types_match_p.
544 (size_diffop): Likewise.
546 (make_range): Use build_int_cst instead of fold_convert.
547 (fold_cond_expr_with_comparison): Use build_int_cst to construct
548 integer constants of the correct type.
549 (fold_div_compare): Likewise.
550 (fold_single_bit_test): Likewise.
551 (fold_binary): Likewise.
552 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
553 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
555 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
558 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
559 non null value if the struct memory access is in the 0th
562 2006-11-12 Jie Zhang <jie.zhang@analog.com>
565 2006-11-11 Jie Zhang <jie.zhang@analog.com>
566 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
570 instead of builtin_define for bfin and BFIN.
572 2006-11-11 Jie Zhang <jie.zhang@analog.com>
574 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
577 2006-11-11 Jan Hubicka <jh@suse.cz>
579 * extended.texi (__builtin_expect): We no longer require second argument
581 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
582 * builtins.c (expand_builtin_expect): Simplify.
583 (expand_builtin_expect_jump): Kill.
584 * final.c (final_scan_insn): Do not skip the removed notes.
585 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
586 EXPECTED_VALUE): Remove.
587 * dojump.c (do_jump): Do not care about __builtin_expect.
588 * predict.c (expected_value_to_br_prob): Kill.
589 * function.c (expand_function_end): Do not expand
590 NOTE_INSN_REPEATED_LINE_NUMBER.
591 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
592 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
593 * cfgexpand.c (add_reg_br_prob_note): Export.
594 * cfgcleanup.c (rest_of_handle_jump2): Do not call
595 expected_value_to_br_prob.
596 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
597 * rtl.h (add_reg_br_prob_note): Declare.
599 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
603 2006-11-11 Jan Hubicka <jh@suse.cz>
605 * predict.c (predict_loops): Kill RTL variant.
607 2006-11-11 Jan Hubicka <jh@suse.cz>
609 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
610 * modulo-sched.c (find_line_note): Remove.
611 (loop_canon_p): Do not worry about line number notes.
612 (sms_schedule): Likewise.
613 * cse.c (cse_main): Likewise.
614 * regmove.c (fixup_match_1): Likewise
615 * function.c (emit_return_info_block): Likewise.
616 (expand_function_end): Likewise.
617 (thread_prologue_an_epilogue_insns): Likewise.
618 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
620 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
621 emit_note_copy_after): Kill.
622 (emit_note_copy): Do not worry about line numbers.
623 * jump.c (purge_line_number_notes): Kill.
624 (pass_purge_lineno_notes): Kill.
625 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
627 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
628 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
629 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
630 * tree-pass.h (pass_purge_lineno_notes): Kill.
631 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
632 rm_redundant_line_notes.
633 * sched-rgb.c (schedule_region): Don't rm_line_notes,
634 rm_redundant_line_notes.
635 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
636 * haifa-sched.c: Update comment about handling notes.
637 (unlink_line_notes): Kill.
638 (rm_line_notes): Kill.
639 (save_line_notes): Simplify.
640 (rm_redundant_line_notes): Kill.
642 2006-11-11 Richard Guenther <rguenther@suse.de>
644 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
645 Remove unused tree codes.
646 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
647 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
648 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
649 * tree.c (stabilize_reference): Likewise.
650 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
651 fold_unary): Likewise.
652 * tree-gimple.c (is_gimple_cast): Likewise.
653 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
654 * expr.c (expand_expr_real_1): Likewise.
655 * tree-eh.c (tree_could_trap_p): Likewise.
656 * gimplify.c (gimplify_expr): Likewise.
657 * tree-inline.c (estimate_num_insns_1): Likewise.
658 * tree-cfg.c (verify_expr): Likewise.
660 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
662 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
663 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
664 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
666 2006-11-11 Richard Sandiford <richard@codesourcery.com>
669 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
670 constraints accept neither registers or memories.
672 2006-11-11 Jie Zhang <jie.zhang@analog.com>
674 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
675 (NO_PROFILE_COUNTERS): Define as 1.
677 2006-11-10 Roger Sayle <roger@eyesopen.com>
679 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
680 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
682 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
684 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
686 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
689 (fold_builtin_hypot): Likewise.
690 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
692 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
694 2006-11-10 Roger Sayle <roger@eyesopen.com>
696 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
697 when attempting to build INTEGER_CSTs of non-integral types.
698 * expmed.c (make_tree): Use the correct type, i.e. the inner
699 type, when constructing the individual elements of a CONST_VECTOR.
701 2006-11-10 Jan Hubicka <jh@suse.cz>
703 * cse.c (cse_process_notes): Copy the propagated value.
704 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
706 * gcse.c (try_replace_reg): Copy the replacement.
707 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
708 (assign_386_stack_local): Always return copied memory expression
709 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
712 2006-11-10 Jan Hubicka <jh@suse.cz>
714 * final.c (final): Walk from first instruction.
715 * cfglayout.c (insn_locators_initialize): Remove line number notes.
717 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
720 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
722 (umulv8hi3_highpart): Ditto.
723 (vec_widen_smult_hi_v8hi): New expander.
724 (vec_widen_smult_lo_v8hi): Ditto.
726 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
729 * builtins.c (do_mpfr_arg3): New.
730 (fold_builtin_1): Handle builtins fma, fmin and fmax.
732 2006-11-09 Eric Christopher <echristo@apple.com>
737 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
738 * config.gcc (powerpc64-*-darwin*): New target.
739 * config.host: Ditto.
740 * config/rs6000/darwin64.h: New file.
741 * config/rs6000/x-darwin64: Ditto.
742 * config/rs6000/host-ppc64-darwin.c: Ditto.
744 2006-11-09 Steve Ellcey <sje@cup.hp.com>
746 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
747 routines for integer division.
749 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
751 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
753 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
756 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
758 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
760 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
761 simplify_subreg with BLKmode outer mode.
763 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
765 * doc/invoke.texi: Minor formatting fixes in option lists.
767 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
769 PR tree-optimization/29738
770 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
771 (ccp_lattice_t): Remove UNKNOWN_VAL.
772 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
773 Do not handle UNKNOWN_VAL.
774 (get_default_value): Set initial value of virtual operands to
776 (get_value): Always use get_default_value on uninitialized
778 (set_value_varying, surely_varying_stmt_p): New functions.
779 (set_lattice_value): Do not pass argument to get_value.
780 Do not handle UNKNOWN_VAL.
781 (likely_value): Follow the semantics described in the comment.
782 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
783 phi nodes DONT_SIMULATE_AGAIN.
784 (ccp_fold): Do not pass argument to get_value.
785 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
788 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
790 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
791 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
793 2006-11-08 Roger Sayle <roger@eyesopen.com>
795 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
796 test for inclusion rather than as a test for exclusion.
797 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
798 the condition after calling fold_binary.
799 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
800 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
801 * builtins.c (fold_builtin_isascii): Likewise.
802 (fold_builtin_isdigit): Likewise.
804 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
806 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
807 * configure: Regenerate.
809 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
811 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
812 enum argument instead of bool.
813 (vect_analyze_operations): Call vectorizable_type_promotion.
814 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
815 stmt_vec_info_type value.
816 (supportable_widening_operation, vectorizable_type_promotion): New
817 function declarations.
818 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
819 (vectorizable_type_promotion): New function.
820 (vect_transform_stmt): Call vectorizable_type_promotion.
821 * tree-vect-analyze.c (supportable_widening_operation): New function.
822 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
824 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
827 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
828 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
829 * tree-inline.c (estimate_num_insns_1): Add cases for above new
831 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
832 * expr.c (expand_expr_real_1): Likewise.
833 * optabs.c (optab_for_tree_code): Likewise.
834 (init_optabs): Initialize new optabs.
835 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
836 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
837 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
838 vec_unpacku_lo_optab): Initialize new optabs.
839 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
840 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
841 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
843 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
844 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
845 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
846 (vec_unpacku_lo_optab): New optabs.
847 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
848 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
849 (vec_widen_smult_hi, vec_widen_smult_lo): New.
850 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
851 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
852 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
854 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
855 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
856 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
857 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
858 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
859 implement the unsigned unpacking patterns.
860 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
861 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
862 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
863 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
864 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
865 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
866 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
867 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
868 multiplication patterns.
870 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
871 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
872 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
873 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
874 (rs6000_builtin_mul_widen_odd): New.
875 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
876 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
877 * tree-vectorizer.h (enum vect_relevant): New enum type.
878 (_stmt_vec_info): Field relevant chaned from bool to enum
880 (STMT_VINFO_RELEVANT_P): Updated.
881 (STMT_VINFO_RELEVANT): New.
882 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
883 instead of STMT_VINFO_RELEVANT_P.
884 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
885 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
886 and boolean variable with enum vect_relevant.
887 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
888 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
889 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
891 2006-11-08 Richard Henderson <rth@redhat.com>
893 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
894 vec_widen_umult_lo_v8hi): New.
895 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
896 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
898 * config/i386/i386.c (ix86_expand_sse_unpack): New.
899 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
900 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
901 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
902 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
903 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
904 vec_unpacks_lo_v4si): New.
906 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
908 * tree-vect-transform.c (vectorizable_type_demotion): New function.
909 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
910 (vect_analyze_operations): Call vectorizable_type_demotion.
911 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
912 stmt_vec_info_type value.
913 (vectorizable_type_demotion): New function declaration.
914 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
917 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
918 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
920 * tree-iniline.c (estimate_num_insns_1): Likewise.
921 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
922 * optabs.c (optab_for_tree_code): Likewise.
924 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
925 compared against the predicate of the result is not 'mode' (the input
926 to the function) but a mode with half the size of 'mode'.
927 (init_optab): Initialize new optabs.
928 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
930 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
932 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
933 (vec_pack_usat_optab): Initialize new optabs.
934 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
935 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
937 2006-11-08 Richard Henderson <rth@redehat.com>
939 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
940 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
941 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
942 (vec_interleave_highv4si, vec_interleave_lowv4si):
943 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
945 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
947 * tree-vect-transform.c (vectorizable_reduction): Support multiple
949 (vect_transform_stmt): Removed redundant code.
951 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
953 * tree-vect-transform.c (vectorizable_operation): Support multiple
956 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
958 * tree-vect-transform.c (vect_align_data_ref): Removed.
959 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
960 Updated function documentation. Return the increment stmt in ptr_incr.
961 (bump_vector_ptr): New function.
962 (vect_get_vec_def_for_stmt_copy): New function.
963 (vect_finish_stmt_generation): Create a stmt_info to newly created
965 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
967 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
968 VF is greater than the number of elements that can fit in one vector
970 (vectorizable_operation, vectorizable_condition): Likewise.
971 (vectorizable_store, vectorizable_load): Support the case that the VF
972 is greater than the number of elements that can fit in one vector word.
973 (vect_transform_loop): Don't fail in case of multiple data-types.
974 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
975 in case of multiple data-types; the smallest type determines the VF.
976 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
977 if they are of different sizes.
978 (vect_update_misalignment_for_peel): Compare misalignments in terms of
979 number of elements rather than number of bytes.
980 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
981 (vect_can_advance_ivs_p): Fix a dump printout
983 2006-11-07 Eric Christopher <echristo@apple.com>
985 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
987 * libgcc2.h: Remove transformation of bswap routines.
988 * config/i386/i386.md (bswapsi2): New.
991 2006-11-07 Jakub Jelinek <jakub@redhat.com>
993 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
994 (handle_gnu_inline_attribute): New function.
995 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
996 (merge_decls, start_decl, start_function): Likewise.
997 * doc/extend.texi: Document gnu_inline attribute.
999 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1002 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1003 _fixunstfdi, and _floatditf
1005 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1007 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1009 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1010 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1011 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1012 which start in an odd register.
1014 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1016 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1018 2006-11-07 Josh Conner <jconner@apple.com>
1020 * doc/invoke.texi (fstrict-aliasing): Move implementation
1022 * doc/tree-ssa.texi (Alias analysis): ...here.
1024 2006-11-07 Richard Guenther <rguenther@suse.de>
1026 PR tree-optimization/29610
1027 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1028 of tree_purge_dead_eh_edges as it may free dominators.
1030 * g++.dg/other/pr29610.C: New testcase.
1032 2006-11-07 David Ung <davidu@mips.com>
1034 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1035 costs when optimizing for size.
1036 (override_options): Use mips_rtx_cost_optimize_size table for cost
1039 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1041 * gcc.c (process_command): Treat -b as normal switch if its argument
1044 2006-11-07 David Ung <davidu@mips.com>
1046 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1049 2006-11-06 Eric Christopher <echristo@apple.com>
1051 * config.gcc: Add x86_64-darwin host support.
1052 * config.host: Ditto.
1053 * config/i386/darwin64.h: New file.
1054 * config/i386/t-darwin64: Ditto.
1056 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1058 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1059 and output-exists-not.
1061 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1064 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1065 checking for overflow.
1067 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1069 * configure.ac: Fixed typo in case statement: :: changed to ;;
1071 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1073 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1074 count_leading_zeros, and count_trailing_zeros.
1075 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1076 (TARGET_FOLD_BUILTIN): Define.
1077 (TARGET_EXPAND_BUILTIN): Define.
1078 (xtensa_init_builtins): New.
1079 (xtensa_fold_builtin): New.
1080 (xtensa_expand_builtin): New.
1081 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1082 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1083 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1084 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1085 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1086 (any_extend): New code macro.
1087 (u, su): New code attributes.
1088 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1089 (nsau): Remove; replaced by clzsi2.
1090 (ffssi2): Use clzsi2.
1091 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1092 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1093 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1094 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1095 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1097 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1099 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1101 * config/arm/t-strongarm-elf: Likewise.
1102 * config/arm/t-pe: Likewise.
1103 * config/arm/t-arm-elf: Likewise.
1104 * config/arm/t-xscale-elf: Likewise.
1105 * config/arm/t-arm-coff: Likewise.
1106 * config/arm/t-xscale-coff: Likewise.
1107 * config/arm/t-wince-pe: Likewise.
1109 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1111 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1114 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1117 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1120 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1123 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1124 as a valid 80387 constant.
1125 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1126 * config/i386/i386.md (unnamed splitter): Split the load of
1127 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1130 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1132 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1133 from the soft-frame, argument and virtual registers.
1135 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1137 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1138 patterns for standard 80387 constants.
1140 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1141 Steven Bosscher <steven@gcc.gnu.org>
1143 * fwprop.c: New file.
1144 * Makefile.in: Add fwprop.o.
1145 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1146 * passes.c (init_optimization_passes): Schedule forward propagation.
1147 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1149 * timevar.def (TV_FWPROP): New.
1150 * common.opt (-fforward-propagate): New.
1151 * opts.c (decode_options): Enable forward propagation at -O2.
1152 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1153 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1154 canon_for_address, table_size): Remove.
1155 (new_basic_block, insert, remove_from_table): Remove references to
1157 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1158 simplification loop more straightforward by not calling fold_rtx
1160 (equiv_constant): Move here a small part of fold_rtx_subreg,
1161 do not call fold_rtx. Call avoid_constant_pool_reference
1163 * recog.h (canonicalize_change_group): New.
1165 * doc/invoke.texi (Optimization Options): Document fwprop.
1166 * doc/passes.texi (RTL passes): Document fwprop.
1168 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1170 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1171 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1172 (grokdeclarator): Likewise.
1174 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1176 * tree-dump.c (dump_enable_all): Rename local variable
1177 ir_type to avoid name conflicts.
1178 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1179 instead of using ir_type().
1180 * profile.c (tree_register_profile_hooks): Likewise.
1181 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1182 * basic-block.h (struct edge_def): Likewise.
1183 * config/arm/arm.c (legitimize_pic_address): Likewise.
1184 * coretypes.h (ir_type): New enum of all intermediate languages
1186 * cfghooks.c (ir_type): Rename to...
1187 (current_ir_type): ...this. Distinguish between cfgrtl and
1188 cfglayout mode when the current IR is RTL. Return enum ir_type.
1189 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1191 2006-11-03 Paul Brook <paul@codesourcery.com>
1193 * config/arm/arm.c (arm_file_start): New function.
1194 (TARGET_ASM_FILE_START): Define.
1195 (arm_default_cpu): New variable.
1196 (arm_override_options): Set arm_default_cpu.
1198 2006-11-03 David Ung <davidu@mips.com>
1200 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1201 PROCESSOR_24KC and PROCESSOR_24KF.
1202 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1203 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1204 (mips_rtx_cost_data): Add costs for the 24kc.
1205 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1206 * config/mips/24k.md: Remove references to 24k and replace with
1207 uses of 24kc/24kf in the appropriate reservations.
1208 * doc/invoke.texi (MIPS Options): Updated.
1210 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1212 * config/sh/crt1.asm: Fix #ifdef indent.
1214 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1215 Merged from STMicroelectronics sources:
1216 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1217 * config/sh/crt1.asm (vbr_600): Add missing #if.
1218 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1219 * sh.opt (mfused-madd): New option.
1220 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1221 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1222 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1223 Remove pointless handler at VBR+0.
1224 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1225 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1226 fr7. Make sure the timer handler is called with the correct FPU
1227 precision setting, according to the ABI.
1228 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1229 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1230 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1231 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1232 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1233 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1234 zero as second operand.
1235 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1236 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1237 Fixed some bugs related to negative values, in particular -0
1238 and overflow at -0x80000000.
1239 * config/sh/divcost-analysis: Added sh4-300 figures.
1240 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1241 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1242 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1243 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1244 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1245 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1247 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1249 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1250 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1251 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1252 mac_mem, mem_mac, dfp_mul, fp_cmp.
1253 (insn_class, dfp_comp, any_fp_comp): Update.
1254 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1255 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1256 (muldf3_i): Likewise.
1257 (movsi_i): Split rI08 alternative into two separate alternatives.
1259 (movsi_ie, movsi_i_lowpart): Likewise.
1260 (movqi_i): Split ri alternative into two separate alternatives.
1262 * sh1.md (sh1_load_store, sh1_fp): Update.
1263 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1264 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1265 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1266 (sh4a_fp_double_arith): Likewise.
1267 * sh4-300.md: New file.
1268 * sh.c (sh_handle_option): Handle m4-300* options.
1269 (sh_adjust_cost): Fix latency of auto-increments.
1270 Handle SH4-300 differently than other SH4s. Check for new insn types.
1271 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1272 been set by an option.
1273 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1274 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1275 (mbranch-cost=): Likewise.
1276 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1278 * sh.md (mulsf3): Remove special expansion code.
1279 (mulsf3_ie): Now a define_insn_and_split.
1280 (macsf3): Allow for TARGET_SH4.
1282 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1283 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1284 (expand_cbranchdi4): Likewise.
1285 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1286 CONST_DOUBLE if the outer code is COMPARE.
1287 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1288 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1289 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1290 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1291 Remove redundant fp_{zero,one}_operand checks.
1292 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1293 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1294 (expand_cbranchdi4): Likewise.
1295 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1296 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1298 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1300 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1303 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1305 * doc/invoke.texi: Fix mfp-trap-mode typo.
1307 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1309 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1310 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1311 file_end_indicate_exec_stack.
1312 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1314 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1315 for a non-executable stack.
1316 * crti.asm: Likewise.
1317 * crtn.asm: Likewise.
1318 * libunwind.S: Likewise.
1320 2006-11-02 Ben Elliston <bje@au.ibm.com>
1322 * tree-ssa.c (warn_uninit): Use expand_location variables for
1323 locus and declaration locus.
1325 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1328 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1329 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1330 cmp{eq,gt,gtu}{si,di}_media.
1331 (*cmpne0si_media): Remove.
1332 (*movsicc_umin): Adjust gen_cmp*_media call.
1333 (unordered): Change the mode of unordered and operands[1] to
1335 (seq): Adjust gen_cmp*_media calls. Make the mode of
1336 a temporary result of compare SImode if needed. If the mode
1337 of operands[0] is DImode, extend the temporary result to DImode.
1338 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1339 (sunorderd): Change the mode of match_operand and unorderd to
1341 (cmpeq{sf,df}_media): Remove.
1342 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1343 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1344 and compare operation to SImode.
1346 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1348 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1350 (sparc64-sun-solaris2*): Likewise.
1352 2006-11-02 Paul Brook <paul@codesourcery.com>
1354 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1355 from priority argument. Use different section for non-default
1357 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1359 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1362 * except.c (switch_to_exception_section): Do not cache the section
1363 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1364 and flag_function_sections is set.
1366 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * builtins.c (do_mpfr_sincos): New.
1370 (fold_builtin_1): Use it to fold builtin sincos.
1372 2006-11-01 Roger Sayle <roger@eyesopen.com>
1374 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1375 it into -D_REENTRANT.
1377 2006-11-01 Roger Sayle <roger@eyesopen.com>
1379 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1380 whether the assembler supports taking the difference of symbols in
1381 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1382 * configure: Regenerate.
1383 * config.in: Regenerate.
1384 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1385 the assembler doesn't support taking the difference of symbols in
1386 different sections, i.e. we're using the native solaris assembler.
1388 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1389 Peter Bergner <bergner@vnet.ibm.com>
1391 * doc/invoke.texi: Add cpu_type power6x
1392 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1393 * config.gcc: Add cpu_type power6x.
1394 * configure.ac: Add test for mf{t,f}gpr instructions.
1395 (HAVE_AS_MFPGPR): New.
1396 * config.in: Regenerate.
1397 * configure: Regenerate.
1398 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1399 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1400 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1401 and mftgpr attributes.
1402 (define_attr "cpu"): Add power6.
1403 Change instruction sequences to use new attributes.
1404 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1405 (fix_truncdfsi2_mfpgpr): New.
1406 (floatsidf_ppc64_mfpgpr): New.
1407 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1408 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1409 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1410 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1411 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1412 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1413 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1414 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1415 cntlz,exts and var_delayed_compare.
1416 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1417 _ARCH_PWR6X, if features enabled.
1418 * config/rs6000/rs6000.opt (mmfpgpr): New.
1419 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1420 (cached_can_issue_more): New variable.
1421 (processor_costs): Add power6_cost.
1422 (rs6000_sched_init): New function.
1423 (is_dispatch_slot_restricted): Deleted.
1424 (set_to_load_agen): New function.
1425 (is_load_insn,is_store_insn): New functions.
1426 (adjacent_mem_locations): New function.
1427 (insn_must_be_first_in_group): New function.
1428 (insn_must_be_last_in_group): New function.
1429 (rs6000_sched_reorder): New function.
1430 (rs6000_sched_reorder2): New function.
1431 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1432 TARGET_SCHED_REORDER2): Define.
1433 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1434 Add power6x. Add MASK_MFPGPR for power6x.
1435 (POWERPC_MASKS): Add MASK_MFPGPR.
1436 (rs6000_override_options): Set rs6000_always_hint to false
1437 for power6. Set rs6000_align_branch_targets. Replace
1438 rs6000_sched_groups check with rs6000_align_branch_targets.
1439 Use PROCESSOR_POWER6.
1440 (last_scheduled_insn): New variable.
1441 (load_store_pendulum): New variable.
1442 (rs6000_variable_issue): Set last_scheduled_insn and
1443 cached_can_issue_more.
1444 (rs6000_adjust_cost): Add power6 cost adjustments.
1445 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1446 with insn_must_be_first_in_group. Add power6 priority adjustments.
1447 (rs6000_issue_rate): Add CPU_POWER6.
1448 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1449 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1450 (TARGET_MFPGPR): New.
1451 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1452 (ASM_CPU_SPEC): Add power6x.
1453 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1455 * config/rs6000/power6.md: New file.
1457 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1459 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1460 HOST_WIDE_INT_PRINT to print high and low parts. Use
1461 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1462 printing a hexadecimal number prefix it with 0x.
1464 2006-11-01 Chris Johns <chris@contemporary.net.au>
1467 * Makefile.in (install-driver): Use exeext when installing
1468 $target-gcc-$version.
1470 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1472 * c-common.c (flag_cpp0x): New.
1473 * c-common.h (flag_cpp0x): New.
1474 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1475 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1476 * c-opts.c (set_std_cxx0x): New.
1477 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1478 * c.opt (std=c++0x): Document.
1479 (std=gnu++0x): Ditto.
1480 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1481 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1483 2006-11-01 Richard Guenther <rguenther@suse.de>
1485 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1487 (ix86_expand_floorceildf_32): Likewise.
1488 (ix86_expand_floorceil): Likewise.
1489 (ix86_expand_trunc): Likewise.
1491 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1493 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1496 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1498 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1500 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1502 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1504 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1505 * configure.ac (use_cxa_atexit): As a special case, don't test
1506 for libc definition of __cxa_atexit on mingw32
1507 * configure: Regenerate.
1508 * config.gcc (i[34567]86-pc-mingw32): Default to
1509 enable__cxa_atexit=yes.
1511 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1513 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1515 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1518 * c-decl.c (start_struct): Don't create self-containing
1520 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1522 * config/rs6000/rs6000-protos.h
1523 (darwin_rs6000_special_round_type_align): New.
1524 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1525 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1527 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1529 * toplev.c (compile_file): Call final_write_globals
1530 even if there have been errors.
1532 2006-10-31 Eric Christopher <echristo@apple.com>
1533 Falk Hueffner <falk@debian.org>
1535 * doc/extend.texi (__builtin_bswap32): Document.
1536 (__builtin_bswap64): Ditto.
1537 * doc/libgcc.texi (bswapsi2): Document.
1539 * doc/rtl.texi (bswap): Document.
1540 * optabs.c (expand_unop): Don't widen a bswap.
1541 (init_optabs): Init bswap. Set libfuncs explicitly
1542 for bswapsi2 and bswapdi2.
1543 * optabs.h (OTI_bswap): New.
1544 (bswap_optab): Ditto.
1545 * genopinit.c (optabs): Handle bswap_optab.
1546 * tree.h (tree_index): Add TI_UINT32_TYPE and
1548 (uint32_type_node): New.
1549 (uint64_type_node): Ditto.
1550 * tree.c (build_common_tree_nodes_2): Initialize
1551 uint32_type_node and uint64_type_node.
1552 * builtins.c (expand_builtin_bswap): New.
1553 (expand_builtin): Call.
1554 (fold_builtin_bswap): New.
1555 (fold_builtin_1): Call.
1556 * fold-const.c (tree_expr_nonnegative_p): Return true
1558 * builtin-types.def (BT_UINT32): New.
1560 (BT_FN_UINT32_UINT32): Ditto.
1561 (BT_FN_UINT64_UINT64): Ditto.
1562 * builtins.def (BUILT_IN_BSWAP32): New.
1563 (BUILT_IN_BSWAP64): Ditto.
1564 * rtl.def (BSWAP): New.
1565 * genattrtab.c (check_attr_value): New.
1566 * libgcc2.c (__bswapSI2): New.
1567 (__bswapDI2): Ditto.
1568 * libgcc2.h (__bswapSI2): Declare.
1569 (__bswapDI2): Ditto.
1570 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1571 * simplify-rtx.c (simplify_const_unary_operation): Return
1573 * libgcc-std.ver (__bwapsi2): Add.
1574 (__bswapdi2): Ditto.
1575 * reload1.c (eliminate_regs_1): Add bswap.
1576 (elimination_effects): Ditto.
1577 * config/i386/i386.h (x86_bswap): New.
1578 (TARGET_BSWAP): Use.
1579 * config/i386/i386.c (x86_bswap): Set.
1581 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1583 * coverage.c (coverage_checksum_string): Update comment.
1584 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1585 of get_file_function_name.
1586 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1587 of get_file_function_name_long.
1588 * tree.c (get_file_function_name): Rename from
1589 get_file_function_name_long; improve comment; handle 'I' and 'D'
1590 specially when the target has ctor/dtor support; remove special
1592 (get_file_function_name): Remove.
1593 * tree.h (get_file_function_name): Rename from
1594 get_file_function_name_long.
1595 (get_file_function_name): Remove prototype.
1597 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1599 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1600 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1602 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1603 Call dsymutil when compiling and linking one or more source files
1606 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1609 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1611 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1613 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1614 inline static functions in c99 mode.
1617 * doc/extend.texi (Inline): Update.
1618 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1619 * c-decl.c (current_extern_inline): Delete.
1620 (pop_scope): Adjust test for an undefined nested function.
1621 Add warning about undeclared inline function.
1622 (diagnose_mismatched_decls): Update comments. Disallow overriding
1623 of inline functions in a translation unit in C99. Allow inline
1624 declarations in C99 at any time.
1625 (merge_decls): Boolize variables. Handle C99 'extern inline'
1627 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1628 C99 inline semantics.
1629 (start_function): Don't clear current_extern_inline. Don't set
1631 (c_push_function_context): Don't push current_extern_inline.
1632 (c_pop_function_context): Don't restore current_extern_inline.
1635 * c-typeck.c (build_external_ref): Warn about static variables
1636 used in extern inline functions.
1637 * c-decl.c (start_decl): Warn about static variables declared
1638 in extern inline functions.
1640 2006-10-31 Roger Sayle <roger@eyesopen.com>
1643 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1644 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1645 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1646 or y is an even integer.
1648 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1651 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1652 * gthr-posix95.h (__gthread_active_p): Likewise.
1654 2006-10-31 Richard Guenther <rguenther@suse.de>
1656 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1657 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1658 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1659 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1660 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1661 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1662 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1663 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1666 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1668 * opts.c (decode_options): Disable CSE skip blocks.
1670 2006-10-30 Dirk Mueller <dmueller@suse.de>
1672 * c-common.h (strict_aliasing_warning): Fix whitespace.
1673 * c-decl (start_function): Move code for main decl warning ..
1674 * c-common.c (check_main_parameter_types): .. here.
1675 * c-common.h (check_main_parameter_types): Declare.
1677 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1682 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1684 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1685 be a PARALLEL containing sets. Return false when out_pat is not
1688 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1690 * config/mips/mips.md (mul<mode>3): Split into...
1691 (mulsi3, muldi3): ...these separate patterns.
1693 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1695 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1696 but with each set of options separated by spaces.
1698 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1700 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1701 dwarf_reg_size_table has been initialized.
1703 2006-10-30 Roger Sayle <roger@eyesopen.com>
1705 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1706 * ddg.c (print_ddg_edge): Likewise.
1707 * dwarf2out.c (prune_unused_types_walk): Likewise.
1708 * ifcvt.c (noce_try_cmove_arith): Likewise.
1709 * langhooks.c (add_builtin_function): Likewise.
1710 * reg-stack.c (subst_stack_regs_pat): Likewise.
1711 * tree.c (expanded_location): Likewise.
1712 * tree-dump.c (dequeue_and_dump): Likewise.
1714 2006-10-30 David Daney <ddaney@avtrex.com>
1716 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1718 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1720 PR tree-optimization/29637
1721 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1722 of the innertype is the innertype itself.
1724 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1726 * dwarf2out.c (file_name_acquire): Correct typo.
1728 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1730 * tree.h (tree_value_handle): Remove struct value_set declaration.
1731 Change value_set to bitmap_set.
1732 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1733 * tree-vn.c (get_value_handle): Made inline and moved to
1735 * tree-flow-inline.h: (has_stmt_ann): New function.
1736 * tree-ssa-pre.c (expressions): New variable.
1737 (next_expression_id): Ditto.
1738 (alloc_expression_id): New function.
1739 (struct value_set): Remove.
1740 (get_expression_id): New function.
1741 (get_or_alloc_expression_id): Ditto.
1742 (expression_for_id): Ditto.
1743 (clear_expression_ids): Ditto.
1744 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1745 (bb_value_sets): Renamed to bb_bitmap_sets.
1746 All value sets replaced with bitmap_sets.
1748 (BB_VISITED): New macro.
1749 (postorder): New variable.
1750 (add_to_value): Removed.
1751 (value_exists_in_set_bitmap): Ditto.
1752 (value_insert_into_set_bitmap): Ditto.
1755 (set_remove): Ditto.
1756 (set_contains_value): Ditto.
1757 (insert_into_set): Ditto.
1759 (find_leader): Ditto.
1760 (bitmap_set_subtract_from_value_set): Ditto.
1761 (value_insert_into_set): Ditto.
1762 (print_value_set): Ditto.
1763 (debug_value_set): Ditto.
1764 (constant_expr_p): New function.
1765 (bitmap_remove_from_set): Ditto.
1766 (bitmap_insert_into_set): Ditto.
1767 (bitmap_set_free): Ditto.
1768 (vh_compare): Ditto.
1769 (sorted_array_from_bitmap_set): Ditto.
1770 (bitmap_set_subtract): Ditto.
1771 (bitmap_set_equal): Ditto.
1772 (debug_bitmap_set): Ditto.
1773 (find_leader_in_sets): Ditto.
1774 (bitmap_set_replace_value): Modify for bitmapped sets.
1775 (phi_translate): Ditto.
1776 (phi_translate_set): Ditto.
1777 (bitmap_find_leader): Ditto.
1778 (valid_in_sets): Ditto.
1779 (union_contains_value): Ditto.
1781 (compute_antic_aux): Ditto. Mark changed blocks.
1782 (compute_antic): Ditto. Iterate in postorder and only over
1784 (compute_rvuse_and_antic_safe): Reuse postorder.
1785 (create_component_ref_by_pieces): Modify for bitmapped sets.
1786 (find_or_generate_expression): Ditto.
1787 (create_expression_by_pieces): Ditto.
1788 (insert_into_preds_of_block): Ditto.
1789 (changed_blocks): New variable.
1790 (do_regular_insertion): Broken out from insert_aux.
1791 (insert_aux): Modified for bitmapped sets.
1792 (find_existing_value_expr): New function.
1793 (create_value_expr_from): Use it.
1794 (insert_extra_phis): Removed.
1795 (print_bitmap_set): Renamed from bitmap_print_value_set.
1796 (compute_avail): Handle RETURN_EXPR.
1797 (init_pre): Modify for bitmapped sets.
1798 * tree-flow.h (has_stmt_ann): New function.
1800 2006-10-29 Roger Sayle <roger@eyesopen.com>
1802 * builtins.c (fold_builtin_floor): Check for the availability of
1803 the C99 trunc function before transforming floor into trunc.
1805 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * builtins.c (fold_builtin_hypot): Rearrange recursive
1808 transformation before others, and also do ABS_EXPR. When
1809 necessary, check flag_unsafe_math_optimizations. When necessary,
1812 2006-10-29 Roger Sayle <roger@eyesopen.com>
1814 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1815 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1816 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1817 Fold -X eq/ne -Y as X eq/ne Y.
1819 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1821 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1822 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1823 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1824 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1825 Use an inclusive test for "mult" rather than "mul".
1826 (rotr<mode>3): Depend on ISA_HAS_ROR.
1827 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1829 (GENERATE_MULT3_DI): Delete.
1830 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1831 (ISA_HAS_MUL3): New macro.
1832 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1833 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1834 (ISA_HAS_CLZ_CLO): Likewise.
1835 (ISA_HAS_DCLZ_DCLO): Delete.
1836 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1837 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1838 the VR4120 and VR4130.
1839 (ISA_HAS_MACCHI): Use consistent formatting.
1840 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1841 (ISA_HAS_ROR): ...this new macro.
1842 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1843 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1844 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1846 2006-10-29 Roger Sayle <roger@eyesopen.com>
1848 PR tree-optimization/15458
1849 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1852 2006-10-29 Richard Guenther <rguenther@suse.de>
1854 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1855 (ix86_expand_truncdf_32): Likewise.
1856 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1857 trunc inline for SSE math and -fno-trapping-math and if not
1858 optimizing for size.
1859 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1860 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1861 for expanding btrunc inline for SSE math.
1863 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1865 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1866 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1867 i[34567]86-*-solaris2.1[0-9]*.
1868 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1869 Define conditionally depending on TARGET_64BIT_DEFAULT.
1870 (SPEC_32, SPEC_64): Define.
1871 (LINK_SPEC): Use them.
1872 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1874 2006-10-29 Richard Guenther <rguenther@suse.de>
1876 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1877 (ix86_expand_rounddf_32): Likewise.
1878 * config/i386/i386.c (ix86_expand_round): New function expanding
1879 round inline for SSE math and -fno-trapping-math and if not
1880 optimizing for size.
1881 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1882 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1883 round via ix86_expand_round.
1885 2006-10-29 Richard Guenther <rguenther@suse.de>
1887 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1888 (ix86_expand_floorceildf_32): Likewise.
1889 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1890 static helper function.
1891 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1893 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1894 * config/i386/i386.md (floordf2): Adjust to enable floor
1895 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1896 -fno-trapping-math is enabled and if not optimizing for size.
1897 (floorsf2, ceildf2, ceilsf2): Likewise.
1898 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1899 (sse2_maskcmpdf3): Likewise.
1901 2006-10-29 Richard Guenther <rguenther@suse.de>
1903 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1904 rint in case -fno-trapping-math is enabled.
1905 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1906 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1907 (ix86_expand_sse_fabs): Likewise.
1908 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1909 * config/i386/i386.md (rintdf2): Enable for SSE math if
1910 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1911 (rintsf2): Likewise.
1913 2006-10-29 Richard Guenther <rguenther@suse.de>
1915 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1916 to conversion optabs.
1917 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1918 as conversion optab.
1919 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1920 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1921 (lfloor_optab, lceil_optab): Adjust defines.
1922 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1923 lfloor and lceil optabs now being conversion optabs.
1924 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1925 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1926 New static helper function.
1927 (ix86_expand_lfloorceil): New function to expand lfloor and
1929 * config/i386/i386.md (lfloor<mode>2): Split into ...
1930 (lfloorxf<mode>2): ... x87 variant
1931 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1932 using ix86_expand_lfloorceil.
1933 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1935 * doc/md.texi (lfloorMN, lceilMN): Document.
1937 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1939 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1940 -mno-shared assembler option on mips targets.
1941 * configure, config.in: Regenerate.
1942 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1943 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1944 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1946 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1948 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1949 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1951 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1953 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1954 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1957 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1961 (fold_builtin_pow): Evaluate constant arguments at compile-time
1963 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1964 (do_mpfr_ckconv): New helper function.
1965 (do_mpfr_arg1): Use do_mpfr_ckconv.
1966 (do_mpfr_arg2): New.
1968 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1971 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1972 (-fdump-rtl-sched): Rename to ..
1973 (-fdump-rtl-sched1): here. Also fix file extension number.
1975 2006-10-28 Richard Guenther <rguenther@suse.de>
1977 * fold-const.c (maybe_canonicalize_comparison): Fix code
1980 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1982 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1983 (NON_QI_REG_P): Use IN_RANGE.
1984 (REX_INT_REGNO_P): Use IN_RANGE.
1985 (FP_REGNO_P): Use IN_RANGE.
1986 (SSE_REGNO_P): Use IN_RANGE.
1987 (REX_SSE_REGNO_P): Use IN_RANGE.
1988 (MMX_REGNO_P): Use IN_RANGE.
1989 (STACK_REGNO_P): New macro.
1990 (STACK_REG_P): Use STACK_REGNO_P.
1991 (NON_STACK_REG_P): Use STACK_REGNO_P.
1992 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1993 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1994 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1995 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1996 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1998 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2000 * except.h (output_function_exception_table): Add 'const char*' param.
2001 * except.c (switch_to_exception_section): Add 'const char*' param.
2002 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2003 and flag_function_sections is set, use a function-specific section.
2004 (output_function_exception_table): Add 'const char*' param.
2005 Adjust call to switch_to_exception_section.
2006 * final.c (rest_of_handle_final): Adjust calls to
2007 output_function_exception_table.
2008 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2009 * config.in: Regenerate.
2010 * configure: Likewise.
2012 2006-10-28 Richard Guenther <rguenther@suse.de>
2015 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2016 for maybe_canonicalize_comparison.
2017 (maybe_canonicalize_comparison): New function for canonicalizing
2019 (fold_comparison): Call it to canonicalize comparisons with
2022 2006-10-28 Richard Guenther <rguenther@suse.de>
2025 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2026 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2027 (expand_builtin): Adjust likewise.
2028 * genopinit.c (optabs[]): Add lround optab.
2029 * optabs.c (init_optabs): Initialize lround_optab.
2030 * optabs.h (enum convert_optab_index): Add COI_lround.
2031 (lround_optab): Define.
2032 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2033 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2035 (ix86_expand_lround): New function.
2036 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2038 * doc/md.texi (lroundMN2): Document.
2040 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2043 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2044 argument to HOST_WIDE_INT. Update function prototype.
2045 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2046 "size" argument to HOST_WIDE_INT. Update function prototype.
2048 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2050 * config/i386/i386.c (output_387_ffreep): Create output from a
2051 template string for !HAVE_AS_IX86_FFREEP.
2053 2006-10-27 Eric Christopher <echristo@apple.com>
2055 * config/darwin.c: Fix formatting and grammar.
2057 2006-10-27 Jan Hubicka <jh@suse.cz>
2059 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2060 to be thrown away soon when IGNORE is set.
2061 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2062 indicating when return value shall not be computed.
2063 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2065 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2067 * config/i386/i386.h (TARGET_GEODE):
2068 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2069 (TARGET_CPU_DEFAULT_geode): New macro.
2070 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2071 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2072 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2073 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2074 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2076 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2077 (processor_type): Add PROCESSOR_GEODE.
2079 * config/i386/i386.md: Include geode.md.
2082 * config/i386/i386.c (geode_cost): New initialized global
2084 (m_GEODE, m_K6_GEODE): New macros.
2085 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2086 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2087 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2088 x86_schedule): Use m_K6_GEODE instead of m_K6.
2089 (x86_movx, x86_cmove): Set up m_GEODE.
2090 (x86_integer_DFmode_moves): Clear m_GEODE.
2091 (processor_target_table): Add entry for geode.
2092 (processor_alias_table): Ditto.
2094 * config/i386/geode.md: New file.
2096 * doc/invoke.texi: Add entry about geode processor.
2098 2006-10-27 Mike Stump <mrs@apple.com>
2100 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2101 __DYNAMIC__ from here back to ...
2102 * config/darwin.h (CPP_SPEC): ... here.
2104 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2105 Nathan Sidwell <nathan@codesourcery.com>
2107 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2108 when choosing the minimum heapsize.
2110 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2112 * gcc/unwind-dw2.h: Move cfa-related variables into
2113 struct frame_state_reg_info to ensure that the CFA is properly
2114 handled when executing DW_CFA_{remember,restore}_state.
2115 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2116 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2117 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2118 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2119 gcc/config/rs6000/linux-unwind.h,
2120 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2121 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2122 Modify to use new cfa_* fields.
2124 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2126 * config/s390/s390.c (s390_init_frame_layout): Check positive
2129 2006-10-26 Ben Elliston <bje@au.ibm.com>
2131 * gimplify.c (get_name): Remove extraneous break.
2132 (gimplify_omp_for): Initialise ret with GS_OK.
2134 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2136 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2137 Add unix98.o to link line.
2139 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2143 Calculate compile-time constants using MPFR.
2144 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2145 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2147 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2149 * config/xtensa/lib2funcs.S: Use C-style comments.
2151 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2153 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2154 (file_table_relative_p): Likewise.
2155 (dwarf2out_finish): Likewise.
2156 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2158 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2160 * tree-ssa-structalias.c (intra_create_variable_infos):
2161 Don't recreate nonlocal_all if it already exists.
2163 2006-10-25 Richard Guenther <rguenther@suse.de>
2166 * optabs.h (enum optab_index): Remove OTI_lrint.
2167 (enum convert_optab_index): Add COI_lrint.
2168 (lrint_optab): Adjust.
2169 (expand_sfix_optab): Declare.
2170 * optabs.c (expand_sfix_optab): New function.
2171 (init_optabs): Init lrint_optab as conversion optab.
2172 * genopinit.c (lrint_optab): Change to a conversion optab.
2173 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2174 expansion via conversion optab.
2175 * config/i386/i386.md (*fistdi2_1): Remove
2176 flag_unsafe_math_optimizations guard.
2177 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2178 fist<mode>2_with_temp): Likewise.
2179 (lrint<mode>2): Split into...
2180 (lrintxf<mode>2): ... x87 part
2181 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2182 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2183 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2184 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2185 * doc/md.texi (lrintMN2): Document.
2187 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2190 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2191 Use inc and dec instructions for TARGET_USE_INCDEC.
2192 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2193 ("sync_double_compare_and_swap<mode>"): Likewise.
2194 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2195 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2196 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2197 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2198 ("sync_old_add<mode>"): Likewise.
2199 ("sync_lock_test_and_set<mode>"): Likewise.
2200 ("sync_lock_test_and_set<mode>"): Likewise.
2201 ("sync_add<mode>"): Likewise.
2202 ("sync_sub<mode>"): Likewise.
2203 ("sync_ior<mode>"): Likewise.
2204 ("sync_and<mode>"): Likewise.
2205 ("sync_xor<mode>"): Likewise.
2207 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2209 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2210 (remainder_optab): Define corresponding macro.
2211 (drem_optab): Remove.
2212 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2213 drem_optab initialization.
2214 * genopinit.c (optabs): Implement remainder_optab using
2215 remainder?f3 patterns. Remove drem_optab.
2216 * builtins.c (expand_builtin_mathfn_2): Handle
2217 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2218 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2219 expand_builtin_mathfn_2.
2221 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2222 depend on flag_unsafe_math_optimizations.
2224 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2225 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2226 Do not depend on flag_unsafe_math_optimizations. Use
2227 truncxf?f expander instead of truncxf?f_i387_noop.
2229 ("fpremxf4", "fprem1xf4"): Do not depend on
2230 flag_unsafe_math_optimizations.
2231 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2232 flag_unsafe_math_optimizations. Use truncxf?f expander
2233 instead of truncxf?f_i387_noop.
2235 * doc/md.texi (fmod, remainder): Document standard named pattern.
2237 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2238 David Daney <ddaney@avtrex.com>
2241 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2243 2006-10-25 Ben Elliston <bje@au.ibm.com>
2245 * doc/extend.texi (Variable Attributes): Typo fix.
2247 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2249 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2250 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2251 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2252 (FRAME_POINTER_REGNUM): Update register number to 21.
2253 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2254 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2256 * config/i386/i386.c (regclass_map): Add fpcr entry.
2257 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2259 (print_reg): Assert REGNO (x) != FPCR_REG.
2261 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2262 (DIRFLAG_REG): Renumber.
2263 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2264 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2265 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2266 hardcoded SSE register numbers.
2268 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2269 hardcoded MMX register numbers.
2271 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2274 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2275 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2277 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2278 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2279 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2280 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2282 2006-10-24 Richard Guenther <rguenther@suse.de>
2285 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2286 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2287 for deciding optimizations in consistency with fold-const.c
2288 (fold_builtin_unordered_cmp): Likewise.
2290 2006-10-24 Richard Guenther <rguenther@suse.de>
2292 * builtins.c (fold_builtin_floor): Fold floor (x) where
2293 x is nonnegative to trunc (x).
2294 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2295 nonnegative to FIX_TRUNC_EXPR.
2297 2006-10-24 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/29567
2300 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2301 for TRUTH_NOT_EXPR. Clarify comments.
2303 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2307 at compile-time using MPFR. Change parameter VALUE to FUNC,
2309 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2310 for overflow and underflow at all times and avoid folding in
2313 2006-10-24 Ben Elliston <bje@au.ibm.com>
2315 * reload1.c: Formatting fixes.
2317 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2319 PR tree-optimization/14784
2320 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2321 * tree-ssa-structalias.c (get_constraint_for,
2322 intra_create_variable_infos): Set is_heapvar.
2323 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2324 non-heapvar pointer variables specially.
2326 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2330 fold_builtin_tan): Fold all constant arguments. Take a "type"
2331 argument as necessary.
2332 (do_mpfr_arg1): New.
2333 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2335 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2337 * config/xtensa/lib1funcs.asm: Use C-style comments.
2339 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2341 * tree.c (local_define_builtin): Replace calls to
2342 lang_hooks.builtin_function with add_builtin_function.
2343 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2345 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2347 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2348 common code to add_builtin_function.
2349 * langhooks.c (add_builtin_function): New function.
2350 (lhd_builtin_function): New function.
2351 * langhooks.h (struct lang_hooks): Change the signature of
2353 (add_builtin_function): New function.
2354 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2355 calls to lang_hooks.builtin_function with add_builtin_function.
2356 * c-common.c (decl_builtin_1): Replace calls to
2357 lang_hooks.builtin_function with add_builtin_function.
2358 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2359 lang_hooks.builtin_function with add_builtin_function.
2360 * config/frv/frv.c (def_builtin): Replace calls to
2361 lang_hooks.builtin_function with add_builtin_function.
2362 * config/s390/s390.c (s390_init_builtins): Replace calls to
2363 lang_hooks.builtin_function with add_builtin_function.
2364 * config/sparc/sparc.c (def_builtin): Replace calls to
2365 lang_hooks.builtin_function with add_builtin_function.
2366 * config/i386/i386.c (def_builtin): Replace calls to
2367 lang_hooks.builtin_function with add_builtin_function.
2368 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2369 lang_hooks.builtin_function with add_builtin_function.
2370 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2371 lang_hooks.builtin_function with add_builtin_function.
2372 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2373 Replace calls to lang_hooks.builtin_function with
2374 add_builtin_function.
2375 * config/iq2000/iq2000.c (def_builtin):
2376 Replace calls to lang_hooks.builtin_function with
2377 add_builtin_function.
2378 * config/ia64/ia64.c (def_builtin): Replace calls to
2379 lang_hooks.builtin_function with add_builtin_function.
2380 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2381 lang_hooks.builtin_function with add_builtin_function.
2382 (altivec_init_builtins): Replace calls to
2383 lang_hooks.builtin_function with add_builtin_function.
2384 * config/arm/arm.c (def_mbuiltin): Replace calls to
2385 lang_hooks.builtin_function with add_builtin_function.
2386 (arm_init_tls_builtins): Replace calls to
2387 lang_hooks.builtin_function with add_builtin_function.
2388 * config/mips/mips.c (mips_init_builtins): Replace calls to
2389 lang_hooks.builtin_function with add_builtin_function.
2390 * config/bfin/bfin.c (def_builtin): Replace calls to
2391 lang_hooks.builtin_function with add_builtin_function.
2392 * langhooks-def.h (lhd_builtin_function): New function.
2393 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2395 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2397 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2398 BUILT_IN_STRNCAT_CHK.
2400 2006-10-23 Jan Hubicka <jh@suse.cz>
2402 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2403 don't do conversion from memmove to memcpy here.
2404 (expand_builtin_bcopy, expand_builtin): Update call of
2405 expand_builtin_memmove.
2406 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2408 2006-10-23 Paul Brook <paul@codesourcery.com>
2410 * stor-layout.c (start_record_layout): maximum_field_alignment
2411 overrides STRUCTURE_SIZE_BOUNDARY.
2413 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2415 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2416 nonlocal function symbols if flag_pic.
2418 2006-10-23 Richard Guenther <rguenther@suse.de>
2422 * builtins.c (fold_binary): Remove checks for flag_wrapv
2423 and flag_trapv where negate_expr_p covers these cases.
2425 2006-10-23 Richard Guenther <rguenther@suse.de>
2428 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2429 of two on the absolute value.
2430 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2431 and negating -C does not overflow.
2433 2006-10-23 Richard Guenther <rguenther@suse.de>
2436 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2437 only if not flag_rounding_math.
2439 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2440 Kaz Kojima <kkojima@gcc.gnu.org>
2443 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2444 SImode memory reference for the source of a movua.
2445 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2446 (movua): Use an unspec instead of sign_extract. Expect the source
2447 to have mode BLKmode.
2448 (extv, insv): Use a BLKmode rather than SImode memory reference
2449 for the source of a movua.
2451 2006-10-22 Jeff Law <law@redhat.com>
2452 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/15911
2455 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2456 (register_edge_assert_for_1): Likewise.
2457 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2458 (find_conditional_asserts): Adjust for new function signature.
2459 (find_assert_locations): Likewise.
2461 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2463 * config/i386/tmmintrin.h: Remove the duplicated content.
2465 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2467 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2468 (x86_64-*-*): Likewise.
2470 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2471 (override_options): Check SSSE3.
2472 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2473 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2474 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2475 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2476 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2477 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2478 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2479 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2480 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2481 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2482 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2483 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2484 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2485 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2486 IX86_BUILTIN_PABSD128.
2487 (bdesc_2arg): Add SSSE3.
2488 (bdesc_1arg): Likewise.
2489 (ix86_init_mmx_sse_builtins): Support SSSE3.
2490 (ix86_expand_builtin): Likewise.
2491 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2493 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2494 (UNSPEC_PSIGN): Likewise.
2495 (UNSPEC_PALIGNR): Likewise.
2496 Include mmx.md before sse.md.
2498 * config/i386/i386.opt: Add -mssse3.
2500 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2501 (ssse3_phaddwv4hi3): Likewise.
2502 (ssse3_phadddv4si3): Likewise.
2503 (ssse3_phadddv2si3): Likewise.
2504 (ssse3_phaddswv8hi3): Likewise.
2505 (ssse3_phaddswv4hi3): Likewise.
2506 (ssse3_phsubwv8hi3): Likewise.
2507 (ssse3_phsubwv4hi3): Likewise.
2508 (ssse3_phsubdv4si3): Likewise.
2509 (ssse3_phsubdv2si3): Likewise.
2510 (ssse3_phsubswv8hi3): Likewise.
2511 (ssse3_phsubswv4hi3): Likewise.
2512 (ssse3_pmaddubswv8hi3): Likewise.
2513 (ssse3_pmaddubswv4hi3): Likewise.
2514 (ssse3_pmulhrswv8hi3): Likewise.
2515 (ssse3_pmulhrswv4hi3): Likewise.
2516 (ssse3_pshufbv16qi3): Likewise.
2517 (ssse3_pshufbv8qi3): Likewise.
2518 (ssse3_psign<mode>3): Likewise.
2519 (ssse3_psign<mode>3): Likewise.
2520 (ssse3_palignrti): Likewise.
2521 (ssse3_palignrdi): Likewise.
2522 (abs<mode>2): Likewise.
2523 (abs<mode>2): Likewise.
2525 * config/i386/tmmintrin.h: New file.
2527 * doc/extend.texi: Document SSSE3 built-in functions.
2529 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2531 2006-10-22 Ira Rosen <irar@il.ibm.com>
2533 * tree-vect-transform.c (vectorizable_load): Use the type of the
2534 return value of the mask_for_load builtin to create realign_load
2537 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2539 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2542 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2544 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2545 (UNSPEC_LDDQU): This.
2546 * config/i386/sse.md (sse3_lddqu): Updated.
2548 2006-10-21 Richard Guenther <rguenther@suse.de>
2550 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2551 (expand_builtin): Use it to expand lrint instead of
2552 expand_builtin_mathfn.
2554 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2557 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2558 flag_unsafe_math_optimizations is set.
2560 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2563 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2564 patterns to use memory input operand in x87->mem->XMM
2565 reload sequences. Skip transformation for TARGET_K8.
2567 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2569 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2570 force operand1 to register if both operands are memory operands.
2571 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2572 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2573 if both operands are memory operands.
2574 (truncdfsf2): Do not force operand1 to register if both operands
2575 are memory operands.
2577 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * Makefile.in (LIBS): Add $(GMPLIBS).
2580 * doc/install.texi: Update GMP and MPFR requirements.
2581 * doc/sourcebuild.texi (need_gmp): Delete.
2583 2006-10-21 Richard Guenther <rguenther@suse.de>
2585 PR tree-optimization/3511
2586 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2587 got new invariant arguments during PHI translation.
2589 2006-10-21 Richard Guenther <rguenther@suse.de>
2592 * fold-const.c (fold_comparison): Fold signed comparisons
2593 of the form X +- C1 CMP Y +- C2.
2595 2006-10-21 Richard Guenther <rguenther@suse.de>
2598 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2599 if flag_unsafe_math_optimizations is specified. We have
2600 flag_finite_math_only for that.
2601 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2602 or flag_unsafe_math_optimizations.
2604 2006-10-21 Richard Guenther <rguenther@suse.de>
2606 * builtins.c (fold_builtin_classify): Fix typo.
2608 2006-10-21 Richard Guenther <rguenther@suse.de>
2611 * simplify-rtx.c (simplify_const_relational_operation):
2612 Do not constant-fold ORDERED and UNORDERED for
2613 flag_unsafe_math_optimizations but only we do not need to
2614 honor NaNs for the given mode.
2616 2006-10-21 Richard Guenther <rguenther@suse.de>
2619 * config/i386/i386.c (classify_argument): Remove redundant
2620 walking of the BINFOs.
2621 (contains_128bit_aligned_vector_p): Likewise.
2623 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2625 * BASE-VER: Set to 4.3.0.
2627 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2629 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2630 (tree_decl_with_vis): Remove artificial_pta_var flag.
2631 * tree-flow.h (referenced_var_check_and_insert): Expose.
2632 (nonlocal_all): New prototype.
2633 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2634 (nonlocal_all): Make global.
2635 (nonlocal_lookup): Remove.
2636 (nonlocal_insert): Ditto.
2637 (create_nonlocal_var): Do not call nonlocal_insert.
2638 (get_nonlocal_id_for_type): Remove.
2639 (find_global_initializers): Mark new vars we find for renaming.
2640 (intra_create_variable_infos): Only create one nonlocal.
2641 (expand_nonlocal_solutions): Remove.
2642 (compute_points_to_sets): Don't call it.
2643 (ipa_pta_execute): Ditto.
2644 (init_alias_heapvars): Don't create nonlocal_for_type.
2645 (delete_alias_heapvars): Don't remove it.
2646 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2649 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2651 * doc/install.texi (Downloading GCC): Clarify mention of
2652 Fortran in the "full distribution" description.
2654 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2656 Fix PR tree-optimization/28778
2657 Fix PR tree-optimization/29156
2658 Fix PR tree-optimization/29415
2659 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2660 (tree_decl_with_vis): Add artificial_pta_var flag.
2661 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2662 pushed into callers.
2663 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2664 (nonlocal_all): Ditto.
2665 (struct variable_info): Add directly_dereferenced member.
2666 (var_escaped_vars): New variable.
2667 (escaped_vars_tree): Ditto.
2668 (escaped_vars_id): Ditto.
2669 (nonlocal_vars_id): Ditto.
2670 (new_var_info): Set directly_dereferenced.
2671 (graph_size): New variable
2672 (build_constraint_graph): Use graph_size.
2673 (solve_graph): Don't process constraints that cannot change the
2674 solution, don't try to propagate an empty solution to our
2676 (process_constraint): Set directly_dereferenced.
2677 (could_have_pointers): New function.
2678 (get_constraint_for_component_ref): Don't process STRING_CST.
2679 (nonlocal_lookup): New function.
2680 (nonlocal_insert): Ditto.
2681 (create_nonlocal_var): Ditto.
2682 (get_nonlocal_id_for_type): Ditto.
2683 (get_constraint_for): Allow results vector to be empty in the case
2684 of string constants.
2685 Handle results of calls properly.
2686 (update_alias_info): Update alias info stats on number and type of
2688 (find_func_aliases): Use could_have_pointers.
2689 (make_constraint_from_escaped): Renamed from
2690 make_constraint_to_anything, and changed to make constraints from
2692 (make_constraint_to_escaped): New function.
2693 (find_global_initializers): Ditto.
2694 (create_variable_info_for): Make constraint from escaped to any
2695 global variable, and from any global variable to the set of
2697 (intra_create_variable_infos): Deal with escaped instead of
2698 pointing to anything.
2699 (set_uids_in_ptset): Do type pruning on directly dereferenced
2701 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2702 (init_base_vars): Fix comment, and initialize escaped_vars.
2703 (need_to_solve): Removed.
2704 (find_escape_constraints): New function.
2705 (expand_nonlocal_solutions): Ditto.
2706 (compute_points_to_sets): Call find_escape_constraints and
2707 expand_nonlocal_solutions.
2708 (delete_points_to_sets): Don't fall off the end of the graph.
2709 (init_alias_heapvars): Initialize nonlocal_for_type and
2711 (delete_alias_heapvars): Free nonlocal_for_type and null out
2714 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2716 * fold-const.c (add_double): Rename to add_double_with_sign.
2717 Add 'unsigned_p' parameter and take it into account for the overflow.
2718 (mul_double): Rename to mul_double_with_sign.
2719 Add 'unsigned_p' parameter and take it into account for the overflow.
2720 (fold_div_compare): Call add_double_with_sign instead of add_double
2721 and mul_double_with_sign instead of mul_double, passing them the
2722 unsignedness of the type.
2723 * tree.h (add_double): Macroize.
2724 (add_double_with_sign): New prototype.
2725 (mul_double): Macroize.
2726 (mul_double_with_sign): New prototype.
2728 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2730 * config/score/crti.asm: New file.
2731 * config/score/crtn.asm: New file.
2732 * config/score/elf.h: New file.
2733 * config/score/mac.md: New file.
2734 * config/score/misc.md: New file.
2735 * config/score/mul-div.S: New file.
2736 * config/score/predicates.md: New file.
2737 * config/score/score7.md: New file.
2738 * config/score/score.c: New file.
2739 * config/score/score-conv.h: New file.
2740 * config/score/score.h: New file.
2741 * config/score/score.md: New file.
2742 * config/score/score-mdaux.c: New file.
2743 * config/score/score-mdaux.h: New file.
2744 * config/score/score-modes.def: New file.
2745 * config/score/score.opt: New file.
2746 * config/score/score-protos.h: New file.
2747 * config/score/score-version.h: New file.
2748 * config/score/t-score-elf: New file.
2749 * config.gcc: Add score*-*-* configurations(Update before).
2750 * doc/invoke.texi (Score Options): New section.
2751 * doc/md.texi (Score family): New section to document constraints.
2753 2006-10-19 Nick Clifton <nickc@redhat.com>
2755 * config/arm/arm.c: Fix spelling typo.
2757 2006-10-18 Tom Tromey <tromey@redhat.com>
2759 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2761 2006-10-18 Jan Hubicka <jh@suse.cz>
2764 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2767 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2769 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2770 TSI_SAME_STMT, since that's the desired entity.
2772 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2774 * config/s390/contraints.md: New file.
2775 * config/s390/s390-protos.h (s390_mem_constraint,
2776 s390_O_constraint_str, s390_N_constraint_str,
2777 s390_float_const_zero_p): Function prototypes added.
2778 * config/s390/s390.c (s390_extra_constraint_str,
2779 s390_const_double_ok_for_constraint_p,
2780 s390_const_ok_for_constraint_p): Functions removed.
2781 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2782 s390_float_const_zero_p): New functions.
2783 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2784 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2785 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2786 Macro definitions removed.
2787 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2788 s390_extra_constraint_str): Functions removed.
2790 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2791 Richard Sandiford <richard@codesourcery.com>
2794 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2795 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2797 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2799 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2800 (DWARF2_FRAME_REG_OUT): Likewise.
2801 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2802 (DWARF2_FRAME_REG_OUT): Likewise.
2804 2006-10-17 Paul Brook <paul@codesourcery.com>
2806 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2808 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2810 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2811 Standardize on "GNU Fortran" as the official name of the Fortran
2814 2006-10-16 Mike Stump <mrs@apple.com>
2816 * doc/invoke.texi (Darwin Options): Document -mkernel.
2817 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2819 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2820 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2821 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2822 (OS_MISSING_ALTIVEC): Add.
2823 * config/i386/i386.c (override_options): Add
2824 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2825 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2826 -mkernel, -static or -mdynamic-no-pic is given.
2827 (C_COMMON_OVERRIDE_OPTIONS): Add.
2828 * config/darwin.opt (fapple-kext): Add.
2830 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2831 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2833 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2834 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2835 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2836 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2837 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2838 (flag_mkernel): Add.
2839 (flag_apple_kext): Add.
2840 (TARGET_KEXTABI): Add.
2841 * config/darwin.c (darwin_handle_kext_attribute): Add.
2842 (DARWIN_VTABLE_P): Add.
2843 (darwin_binds_local_p): Add partial support for rebinding vtables
2845 (darwin_kextabi_p): Add.
2846 (darwin_override_options): Add.
2847 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2848 (darwin_kextabi_p): Add.
2849 (darwin_override_options): Add.
2850 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2851 __DYNAMIC__ and __STATIC__ here.
2853 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2855 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2856 Added mention of "make pdf" target, and Texinfo requirements for
2859 2006-10-16 DJ Delorie <dj@redhat.com>
2861 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2862 into the GOT in case we need a subreg of the address.
2864 2006-10-16 Richard Guenther <rguenther@suse.de>
2867 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2868 SSE builtin documentation. Document SSE2 builtins.
2870 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2872 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2873 symbol in the output file for non-shared links when -nostdlib or
2874 -nodefaultlibs isn't specified.
2876 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2877 posix thread support.
2879 2006-10-15 Jan Hubicka <jh@suse.cz>
2882 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2883 declared always_inline even when not inlining.
2885 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2886 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2887 Andrew Pinski <pinskia@gmail.com>
2890 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2892 2006-10-15 Jan Hubicka <jh@suse.cz>
2893 Richard Guenther <rguenther@suse.de>
2896 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2897 process_function_and_variable_attributes on all variables, including
2898 those discovered during cgraph construction phase.
2900 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2902 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2904 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2906 * config/i386/athlon.md (athlon_fist): Add fisttp.
2908 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2909 Ian Lance Taylor <ian@airs.com>
2912 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2913 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2916 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2918 * config/score/score.c, config/score/score.h: Fix comment
2921 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2924 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2927 2006-10-13 Eric Christopher <echristo@apple.com>
2929 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2931 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2934 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2935 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2936 alignment supported by 32-bit ELF.
2938 2006-10-13 Eric Christopher <echristo@apple.com>
2940 * config/darwin.c (darwin_emit_unwind_label): Strip
2941 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2943 2006-10-13 Richard Guenther <rguenther@suse.de>
2945 PR tree-optimization/29446
2946 * tree-vrp.c (fix_equivalence_set): Remove.
2947 (extract_range_from_assert): Do not call fix_equivalence_set.
2948 (debug_value_range): Print a newline.
2949 (compare_name_with_value): For equivalence sets with
2950 inconsistent value ranges conservatively bail out.
2951 (compare_names): Likewise.
2953 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2955 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2956 and MPFR for gfortran.
2958 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2960 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2961 alignment supported by 32-bit ELF.
2963 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2967 * c-typeck.c (digest_init): Always allow initializing vectors
2968 that have static storage duration with compound literals.
2969 * tree.c (build_type_attribute_qual_variant): New, based on
2970 build_type_attribute_variant.
2971 (build_type_attribute_variant): Rewrite using the former.
2972 (make_vector_type): Use build_type_attribute_qual_variant to build
2973 type variants. Use type_hash_canon on the others.
2975 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2976 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2978 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2980 2006-10-12 Jan Hubicka <jh@suse.cz>
2983 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2984 current_function_decl is set but current_function_scope is not.
2986 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2988 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2989 emit_insn to emit eh_return_internal instruction.
2990 (eh_return_internal): Explicitly set pc.
2992 2006-10-11 Richard Guenther <rguenther@suse.de>
2994 PR tree-optimization/28230
2995 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2996 to the correct place.
2998 2006-10-11 Richard Guenther <rguenther@suse.de>
3001 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3004 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3006 * configure.ac: Added pdf to "Make-hooks"
3007 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3008 targets and *.pdf file patterns in cleanup targets.
3009 * configure: Regenerated.
3011 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3013 * config/avr/predicates.md: New file.
3014 * config/avr/avr.md: Include it.
3015 (REG_SP): New constant.
3016 (peepholes): Use predicates.
3017 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3018 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3019 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3021 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3023 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3026 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3029 * builtins.c (var_decl_component_p): New function.
3030 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3031 single entry optimization to variables and components thereof.
3033 2006-10-10 Richard Guenther <rguenther@suse.de>
3035 PR rtl-optimization/29323
3036 * except.c (set_nothrow_function_flags): For functions
3037 that do not bind local bail out early.
3039 2006-10-10 Ben Elliston <bje@au.ibm.com>
3041 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3044 2006-10-09 Richard Henderson <rth@redhat.com>
3046 Revert emutls patch.
3048 2006-10-09 Richard Guenther <rguenther@suse.de>
3051 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3054 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3057 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3058 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3059 * configure: Regenerate.
3060 * config.in: Regenerate.
3062 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3064 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3066 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3068 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3069 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3070 Remove stray newline.
3072 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3074 * config/mips/mips.c (mips_classify_symbol): Do not return
3075 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3076 (mips_in_small_data_p): Tweak comments.
3078 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3080 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3082 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3084 * gimplify.c, sched-int.h: Fix comment typos.
3086 * sched-int.h: Fix comment typos.
3088 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3090 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3092 * sched-ebb.c (begin_schedule_ready): Use them.
3093 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3094 add_to_speculative_block, create_check_block_twin, speculate_insn,
3095 fix_jump_move, move_block_after_check): Ditto.
3096 * sched-rgn.c (new_ready): Ditto.
3098 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3100 PR rtl-optimization/29128
3101 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3102 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3103 allow interblock movement of speculation checks.
3105 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3108 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3109 casted to integer type.
3110 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3111 if they are significantly more expensive than [reg + index] ones.
3113 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3115 PR tree-optimization/29330
3116 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3117 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3118 on newly allocated ddrs.
3119 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3120 to VEC (loop_p, heap) pointer.
3121 (compute_data_dependences_for_loop): Adjust caller.
3122 (free_dependence_relations): Free DDR_LOOP_NEST.
3124 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3125 free DEPENDENCE_RELATIONS and DATAREFS.
3128 * builtins.c (expand_builtin_sync_operation,
3129 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3130 Use convert_to_mode to handle promoted arguments.
3132 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3134 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3136 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3138 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3140 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3142 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3143 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3144 Use <modeconstraint> instead of "r" as operand 1 constraint.
3146 2006-10-06 Olivier Hainque <hainque@adacore.com>
3148 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3149 Don't recurse on the pointed-to type.
3150 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3151 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3152 types with components of variable size.
3154 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3156 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3158 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3160 PR tree-optimization/29290
3161 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3165 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3166 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3169 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3170 the number of vector elements fill the rest with zeros.
3172 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3174 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3175 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3178 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3180 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3181 unnamed pattern into subsi3. Use correct constraints/predicates.
3182 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3183 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3185 2006-10-05 Ira Rosen <irar@il.ibm.com>
3187 * doc/loop.texi: Add data references analysis description.
3189 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3191 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3193 2006-10-04 Richard Henderson <rth@redhat.com>
3194 Jakub Jelinek <jakub@redhat.com>
3196 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3197 * builtin-types.def (BT_WORD): Make unsigned.
3198 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3199 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3200 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3201 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3202 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3203 * cgraph.c (decide_is_variable_needed): Look at force_output.
3204 Recurse for emulated tls.
3205 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3206 checks redundant with decide_is_variable_needed.
3207 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3208 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3210 * expr.c (emutls_var_address): New.
3211 (expand_expr_real_1): Expand emulated tls.
3212 (expand_expr_addr_expr_1): Likewise.
3213 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3214 * output.h (emutls_finish): Declare.
3215 * toplev.c (compile_file): Call it.
3216 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3217 address before wrapping in CONST.
3218 * varasm.c (emutls_htab, emutls_object_type): New.
3219 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3220 (get_emutls_object_name, get_emutls_object_type): New.
3221 (get_emutls_init_templ_addr, emutls_decl): New.
3222 (emutls_common_1, emutls_finish): New.
3223 (assemble_variable): When emulating tls, swap decls; generate
3224 constructor for the emutls objects.
3225 (do_assemble_alias): When emulating tls, swap decl and target name.
3226 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3228 * emutls.c: New file.
3229 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3230 tls_object for real tls.
3232 2006-10-04 Zack Weinberg <zackw@panix.com>
3234 Fix bug in constraint-check generator, reported by Rask Ingemann
3236 * genpreds.c (add_constraint): Don't remove anything from the
3238 (write_tm_constrs_h): Detect whether "op" argument is used, and
3239 mark it ARG_UNUSED if it isn't.
3240 (write_insn_const_int_ok_for_constraint): Skip the part of the
3241 expression that would test whether "op" (which is not available
3242 here) is a CONST_INT.
3244 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3247 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3249 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3251 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3252 current Leopard versions.
3253 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3255 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3257 * doc/install.texi: Fix typos.
3259 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3261 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3262 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3263 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3265 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3267 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3268 arg to be struct mach_header_64* instead.
3270 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3273 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3274 side effects after the outer expression's post side effects.
3276 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3278 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3279 comments to reflect actual behavior and relationship between
3280 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3282 * doc/c-tree.texi (Working with declarations): Fix documentation
3283 of FIELD_DECL likewise.
3285 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3288 * doc/extend.texi: Add used variable attribute description.
3290 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3293 * c.opt (Woverride-init): New.
3294 * c-opts.c (c_common_post_options): Default warn_override_init to
3296 * c-typeck.c (add_pending_init, output_init_element): Warn for
3297 overriding initializers without side effects.
3298 * doc/invoke.texi (-Woverride-init): Document.
3301 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3303 PR rtl-optimization/28096
3304 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3305 assignment has already been used as a destination earlier in the block.
3307 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3309 * builtins.c (expand_builtin_setjmp): Delete.
3310 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3311 <BUILT_IN_SETJMP_SETUP>: New case.
3312 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3313 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3314 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3315 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3316 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3317 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3318 (lower_function_body): Initialize it to false. If it is set to true
3319 at the end of the processing, emit the setjmp dispatcher.
3320 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3321 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3322 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3323 on the rhs of the assignment.
3324 (lower_builtin_setjmp): New function.
3325 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3326 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3327 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3328 to detect calls that can go to non-local labels. Use specific
3329 helper to create the abnormal edges associated with them.
3330 <MODIFY_EXPR>: Likewise.
3331 (make_abnormal_goto_edges): New function extracted from...
3332 (make_goto_expr_edges): ...here. Call it for computed gotos.
3333 (simple_goto_p): Minor tweak.
3334 (tree_can_make_abnormal_goto): New predicate.
3335 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3336 (tree_purge_dead_abnormal_call_edges): New function.
3337 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3338 (tree_purge_dead_abnormal_call_edges): Likewise.
3339 (make_abnormal_goto_edges): Likewise.
3340 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3341 Purge all dead abnormal edges if the call was in the last statement.
3342 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3343 (execute_fixup_cfg): If there are non-local labels in the function,
3344 scan the basic blocks and split them at calls that can go to non-local
3345 labels or add missing abnormal call edges. Write down the CFG in the
3347 (pass_fixup_cfg): Remove TODO_dump_func flag.
3348 * unwind-sjlj.c: Poison setjmp.
3349 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3350 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3351 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3352 (DONT_USE_BUILTIN_SETJMP): Document it.
3354 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3357 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3358 to 1 when __ppc64__ is defined.
3359 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3361 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3363 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3365 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3366 * config/ia64/unwind-hpux.c: Delete.
3368 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3370 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3371 on the element before gimplifying it, instead of punting if it is of
3374 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3376 * doc/loop.texi: New file.
3377 * doc/gccint.texi: Reference loop.texi.
3378 * Makefile.in (loop.texi): Add.
3380 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3382 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3384 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3385 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3387 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3389 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3391 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3393 * doc/install.texi: Document required versions of GMP and MPFR.
3395 2006-09-27 Paul Brook <paul@codesourcery.com>
3398 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3400 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3402 * reload1.c (alter_reg): Require the alignment of the stack slot to
3403 be at least reg_max_ref_width bytes.
3404 (scan_paradoxical_subregs): Record the largest width in
3407 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3411 * tree-nested.c (struct nesting_info): Added static_chain_added.
3412 (convert_call_expr): Set static_chain_added when adding static
3413 chain. Handle OMP_PARALLEL and OMP_SECTION.
3415 2006-09-25 Matthias Klose <doko@debian.org>
3417 * doc/invoke.texi: Add missing full stop.
3419 2006-09-25 Richard Henderson <rth@redhat.com>
3421 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3422 before cgraph_function_flags_ready.
3424 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3425 Adam Nemet <anemet@caviumnetworks.com>
3427 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3428 determine_common_wider_type): New functions.
3429 (get_computation_aff): Use them to simplify arithmetic between
3430 UBASE and CBASE if they are shortened from the same type.
3432 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3435 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3436 -2147483647 - 1 instead of 0x80000000.
3438 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3440 * flags.h (HONOR_NANS): Fix typo in comment.
3442 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3444 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3446 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3450 * tree.c (merge_attributes, attribute_list_contained): If both
3451 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3453 * c-typeck.c (comptypes_internal): Don't consider aggregates
3454 in different TUs as compatible if there one set of attributes is
3455 not a subset of the other type's attributes.
3456 (composite_type): Try harder not to create a new aggregate type.
3458 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3460 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3461 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3462 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3463 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3464 than replicating condition above.
3465 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3467 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3468 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3469 the linker by default.
3471 2006-09-22 Mike Stump <mrs@apple.com>
3473 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3476 2006-09-22 Richard Guenther <rguenther@suse.de>
3479 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3480 sort of stack variables stable.
3482 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3485 * explow.c (force_reg): Set REG_POINTER flag according to
3488 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3490 PR tree-optimization/28888
3491 * tree-if-conv.c (combine_blocks): Rewritten.
3492 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3493 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3495 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3497 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3500 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3502 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3504 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3506 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3508 2006-09-21 Roger Sayle <roger@eyesopen.com>
3511 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3512 dw_fde_current_label, to be the start of the function, i.e. the same
3513 value as dw_fde_begin.
3515 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3517 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3518 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3519 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3520 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3521 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3522 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3523 (abs<mode>2, neg<mode>2): Likewise.
3524 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3525 (*mips_abs_ps): New define_insn.
3527 2006-09-20 Josh Conner <jconner@apple.com>
3530 * calls.c (expand_call): Allow reuse of structure return stack
3533 2006-09-20 Paul Brook <paul@codesourcery.com>
3535 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3538 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3540 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3541 clean up terminology.
3543 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3546 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3547 with tablejumps in them.
3549 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3552 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3553 wrap it into TARGET_EXPR.
3555 2006-09-20 Eric Christopher <echristo@apple.com>
3557 * config/i386/i386.c (x86_fisttp): Remove.
3558 * config/i386/i386.h (x86_fisttp): Ditto.
3559 (TARGET_FISTTP): Ditto.
3561 2006-09-19 Eric Christopher <echristo@apple.com>
3563 * doc/tm.texi (OBJC_JBLEN): Describe.
3564 * config/i386/darwin.h (OBJC_JBLEN): Define.
3565 * config/rs6000/darwin.h: Ditto.
3567 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3569 PR rtl-optimization/21299
3570 * reload1.c (reload): Purge invalid ASMs in the final pass.
3572 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3575 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3576 pointers as legitimate constants.
3578 2006-09-19 Paul Brook <paul@codesourcery.com>
3581 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3583 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3585 PR tree-optimization/28887
3586 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3587 component parts from the reference.
3588 (gather_memory_references_ref): Record the reference without the
3589 nonaddressable component parts.
3591 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3594 * c-opts.c (c_common_handle_option): Ignore the -std options
3595 if the input language is assembly.
3597 2006-09-17 Ira Rosen <irar@il.ibm.com>
3600 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3602 (ptr_ptr_may_alias_p): Likewise.
3603 (record_record_differ_p): New function.
3604 (base_object_differ_p): Call record_record_differ_p.
3606 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3609 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3610 away for the expr argument.
3612 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3615 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3616 before using it for dumping after vectorizing loops.
3618 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3619 Jack Howarth <howarth@bromo.med.uc.edu>
3622 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3623 skip on error_mark_node.
3624 (rs6000_darwin64_record_arg_recurse): Likewise.
3626 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3628 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3629 * doc/rtl.texi: Remove related documentation.
3631 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3633 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3636 2006-09-15 Jim Wilson <wilson@specifix.com>
3638 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3639 Handle symbol offsets same as they are handled in ia64_expand_move
3642 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3644 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3645 Add forgotten parameter to the fprintf call.
3647 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3649 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3651 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3653 * doc/contrib.texi: Add my entry.
3655 2006-09-15 Nick Clifton <nickc@redhat.com>
3657 * doc/md.texi (Processor pipeline description): Fix typo in
3658 example of how to use the absence_set directive and reword the
3659 description to make it slightly easier to read.
3661 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3663 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3664 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3665 expanding the number of iterations.
3666 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3668 * cfgrtl.c (emit_insn_at_entry): New function.
3669 * rtl.h (emit_insn_at_entry): Declare it.
3670 * integrate.c (emit_initial_value_sets): Use it.
3672 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3674 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3676 (struct loop_work and related VEC declarations): Delete.
3677 (bfin_dump_loops): Print out new member bad.
3678 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3679 (bfin_scan_loop): Don't recurse.
3680 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3681 loops. No longer need to update outer loops if the current one is
3682 found bad. Move some validitiy checks to bfin_discover_loop.
3683 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3684 but changed not to check for nesting. Also changed to use the new bad
3686 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3687 time. Use bitmap based test to discover loop nesting.
3689 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3691 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3694 2006-09-14 Richard Guenther <rguenther@suse.de>
3695 Kazu Hirata <kazu@codesourcery.com>
3697 PR middle-end/28884.
3698 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3699 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3700 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3701 with TARGET_FUNCTION_VALUE.
3703 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3706 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3708 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3710 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3713 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3716 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3719 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3721 * basic_block.h (bb_has_eh_pred): Fix comment.
3723 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3725 * flow.c (calculate_global_regs_live): Invalidate eh registers
3726 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3727 (propagate_block): Handle eh registers as if they were set at basic
3729 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3731 * global.c (global_conflicts): Make eh registers to conflict with
3732 pseudos live at basic block begin.
3733 * basic_block.h (bb_has_eh_pred): New function.
3735 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3737 PR rtl-optimization/28982
3738 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3739 index of a PRE_MODIFY or POST_MODIFY address.
3740 * reload1.c (inc_for_reload): Use find_replacement on the original
3741 base and index registers.
3743 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3745 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3746 for -Os. Update __m128 alignment requirement.
3748 2006-09-13 Jan Hubicka <jh@suse.cz>
3750 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3752 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3754 PR rtl-optimization/28243
3755 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3756 the insn to which the note was originally attached.
3758 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3759 Roger Sayle <roger@eyesopen.com>
3761 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3762 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3763 on platforms that don't use dwarf for debug info.
3765 2006-09-12 Jason Merrill <jason@redhat.com>
3768 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3769 hard_frame_pointer_rtx after using it to update the frame pointer.
3771 2006-09-12 Roger Sayle <roger@eyesopen.com>
3773 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3774 (TARGET_ASM_CLOSE_PAREN): Likewise.
3775 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3776 (TARGET_ASM_CLOSE_PAREN): Likewise.
3778 2006-09-12 Roger Sayle <roger@eyesopen.com>
3781 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3782 frame information for frames larger than 512 Kbytes on Tru64 when
3783 using the native assembler.
3785 2006-09-12 Roger Sayle <roger@eyesopen.com>
3789 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3790 and symbols. Instead use the implementation from cse.c's hash_rtx.
3792 2006-09-12 Jan Hubicka <jh@suse.cz>
3794 PR rtl-optimization/28071
3795 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3796 (vect_transform_loop): Likewise.
3797 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3798 (new_loop_vec_info): Likewise.
3799 (destroy_loop_vec_info): Likewise.
3800 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3801 (create_stmt_ann): Likewise.
3802 (create_tree_ann): Rename to ...
3803 (create_tree_common_ann): ... this one; allocate only the common part
3805 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3806 (get_value_handle): Likewise.
3807 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3808 get_tree_common_ann.
3809 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3810 (vinfo_for_stmt): Use stmt annotations.
3811 * tree-flow.h (tree_ann_common_t): New type.
3812 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3813 (tree_ann, get_tree_ann, create_tree_ann): New.
3814 * tree-flow-inline.h (get_function_ann): Do more type checking.
3815 (stmt_ann): Likewise.
3816 (tree_ann): Rename to ...
3817 (tree_common_ann): ... this one; return ony common_ann
3818 (get_tree_ann): Rename to ...
3819 (tree_common_ann): This one; return only common_ann.
3820 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3823 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3825 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3826 with_cpu by default.
3828 * dwarf2out.c (dwarf_file_data): New.
3829 (enum dw_val_class): Add dw_val_class_file.
3830 (struct dw_val_struct): Add val_file.
3831 (file_table): Change to a hash table.
3832 (file_table_emitted): Delete.
3833 (file_table_last_lookup_index): Delete.
3834 (emitcount): Delete.
3835 (last_emitted_file): New.
3836 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3837 (init_file_table): Delete.
3838 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3839 (AT_addr): Add comment.
3843 (print_die): Handle dw_val_class_file.
3844 (print_dwarf_line_table): Update for new file table structure.
3845 (attr_checksum): Do checksum a filename.
3846 (same_dw_val_p, same_attr_p): Do compare a filename.
3847 (size_of_die): Handle dw_val_class_file.
3848 (value_format): Likewise.
3849 (output_die): Likewise. Also, call maybe_emit_file here.
3850 (struct file_info): Constify filenames. Make file_idx a pointer
3851 to a struct dwarf_file_data.
3852 (struct dir_info): Constify directory names. Remove 'used' field.
3853 (struct file_name_acquire_data): New.
3854 (file_name_acquire): New.
3855 (output_file_names): Modify to handle new file data structures.
3856 (add_src_coords_attributes): Use add_AT_file.
3857 (add_call_src_coords_attributes): Likewise.
3858 (dwarf2out_imported_module_or_decl): Likewise.
3859 (gen_subprogram_die): Modify for new file data structures.
3860 (gen_variable_die): Likewise.
3861 (file_table_eq): New.
3862 (file_table_hash): New.
3863 (file_table_last_lookup): New.
3864 (lookup_filename): Rewrite to handle new file data structures.
3865 (maybe_emit_file): Rewrite to handle new file data structures.
3866 (dwarf2out_source_line): Always call lookup_filename and
3868 (dwarf2out_init): Create file_table here.
3869 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3870 (file_table_relative_p): New.
3871 (dwarf2out_finish): Change detection of relative filenames
3872 to work with new file data structures. Move output_line_info call
3873 after debug_info output.
3875 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3880 * config/i386/i386.c (override_options): Always default to 16
3881 byte stack boundary.
3883 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3886 * var-tracking.c (dump_dataflow_set): Start dumping at
3888 (clobber_variable_part): Kill only the variable part in
3889 registers holding it, leaving other variables alone.
3891 2006-09-11 Josh Triplett <josh@freedesktop.org>
3893 * doc/extend.texi (Other Builtins): Actually use the macro
3894 argument in the documentation example for
3895 __builtin_types_compatible_p.
3897 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3899 PR rtl-optimization/28726
3900 * sched-deps.c (sched_analyze_reg): New function extracted from...
3901 (sched_analyze_1): ...here. Call it to analyze references to
3902 registers. Treat again writes to a stack register as writing to the
3904 (sched_analyze_2): ...and here. Call it to analyze references to
3905 registers. Treat again reads of a stack register as reading the
3908 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3909 David Edelsohn <edelsohn@gnu.org>
3912 * config/rs6000/spe.md (frob_df_di): Remove %H.
3913 (frob_di_df): Remove %H. Change evmergelo to mr.
3914 (frob_di_df_2): Remove %H. Change evldd to two loads.
3916 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3918 * doc/cpp.texi: Fix names of charset options.
3920 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3923 * config/i386/i386.c (override_options): Use 128-bit
3924 stack boundary always for 64bits.
3926 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3928 PR rtl-optimization/28636
3929 * combine.c (force_to_mode): Test for side-effects before
3930 substituting by zero.
3931 (simplify_shift_const): Likewise for zero or other constants.
3933 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3936 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3939 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3942 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3943 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3944 returned by mode_for_size, rather than the mode of src itself,
3945 to choose between 32-bit and 64-bit patterns.
3946 (mips_mem_fits_mode_p): New function.
3947 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3948 that the size of the source matches the size of the destination.
3949 (mov_<store>l, mov_<store>r): Likewise.
3951 2006-09-10 Eric Christopher <echristo@apple.com>
3953 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3956 2006-09-09 Eric Christopher <echristo@apple.com>
3959 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3962 2006-09-09 Roger Sayle <roger@eyesopen.com>
3963 Nicolas Setton <setton@adacore.com>
3965 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3967 2006-09-10 Andreas Schwab <schwab@suse.de>
3969 * config/m68k/m68k.md (bungt_rev): New pattern.
3971 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3972 Dale Johannesen <dalej@apple.com>
3975 * regclass.c (struct reg_pref): Update documentation.
3976 (regclass): Set prefclass to NO_REGS if memory is the best option.
3977 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3979 2006-09-08 Eric Christopher <echristo@apple.com>
3981 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3982 * config/t-slibgcc-darwin: Support x86_64 multilib.
3983 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3984 Return 1 for x86_64-darwin.
3985 * config/i386/t-darwin: Add m64 multilib.
3986 (LIB2_SIDITI_CONV_FUNCS): Use.
3987 (LIB2FUNCS_EXTRA): Ditto.
3988 * config/i386/darwin.h: Support x86_64.
3989 * config/i386/i386.c (override_options): Turn on flag_pic
3990 for x86_64-darwin. Disable flag_omit_pointer.
3991 (get_pc_thunk_name): Assert !TARGET_64BIT.
3992 (legitimate_address_p): Disable machopic addressing for
3994 (legitimize_pic_address): Ditto.
3995 (ix86_expand_move): Ditto.
3996 (ix86_expand_call): Ditto.
3997 (machopic_output_stub): Ditto.
3998 * config/darwin.c (machopic_select_section): Support literal16.
3999 (machopic_select_rtx_section): Ditto.
4000 * config/darwin-sections.def: Ditto.
4001 * config/darwin-64.c: New.
4003 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4006 * c-tree.h (struct c_arg_info): Add pending_sizes.
4007 * c-parser.c (c_parser_parms_declarator,
4008 c_parser_parms_list_declarator): Initialize pending_sizes.
4009 * c-decl.c (get_parm_info): Initialize pending_sizes.
4010 (get_parm_info): Set pending_sizes.
4011 (grokdeclarator): Call put_pending_sizes for parameters for
4012 function definition only.
4014 2006-09-07 Jason Merrill <jason@redhat.com>
4017 * varasm.c (output_constant): Only strip actual no-op conversions.
4020 * config/i386/i386.c (override_options): Use 128-bit
4021 stack boundary if -msse.
4023 2006-09-07 Eric Christopher <echristo@apple.com>
4025 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4027 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4030 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4032 * dwarf2out.c: Remove strange characters from comment above
4033 dwarf2out_frame_debug_expr.
4035 2006-09-07 Eric Christopher <echristo@apple.com>
4037 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4038 * config/darwin.h: ... to here.
4040 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4042 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4044 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4045 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4047 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4048 TARGET_PARTIAL_FLAG_REG_STALL.
4049 (*ashldi3_cconly_rex64): Likewise.
4050 (*ashlsi3_cmp): Likewise.
4051 (*ashlsi3_cconly): Likewise.
4052 (*ashlsi3_cmp_zext): Likewise.
4053 (*ashlhi3_cmp): Likewise.
4054 (*ashlhi3_cconly): Likewise.
4055 (*ashlqi3_cmp): Likewise.
4056 (*ashlqi3_cconly): Likewise.
4057 (*ashrdi3_cmp_rex64): Likewise.
4058 (*ashrdi3_cconly_rex64): Likewise.
4059 (*ashrsi3_cmp): Likewise.
4060 (*ashrsi3_cconly): Likewise.
4061 (*ashrsi3_cmp_zext): Likewise.
4062 (*ashrhi3_cmp): Likewise.
4063 (*ashrhi3_cconly): Likewise.
4064 (*ashrqi3_cmp): Likewise.
4065 (*ashrqi3_cconly): Likewise.
4066 (*lshrdi3_cmp_rex64): Likewise.
4067 (*lshrdi3_cconly_rex64): Likewise.
4068 (*lshrsi3_cmp): Likewise.
4069 (*lshrsi3_cconly): Likewise.
4070 (*lshrsi3_cmp_zext): Likewise.
4071 (*lshrhi3_cmp): Likewise.
4072 (*lshrhi3_cconly): Likewise.
4073 (*lshrqi2_cmp): Likewise.
4074 (*lshrqi2_cconly): Likewise.
4076 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4079 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4080 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4081 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4082 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4083 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4084 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4085 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4086 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4087 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4088 implement only CC setting effects of shift instructions.
4090 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4092 * doc/contrib.texi: Add myself.
4094 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4097 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4098 was set by the user.
4100 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4103 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4104 (divsi_inv_m1): Use them.
4105 (UNSPEC_DIV_INV_TABLE): New constant.
4107 2006-09-06 James E Wilson <wilson@specifix.com>
4110 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4111 then call count_or_remove_death_notes.
4113 2006-09-06 Jason Merrill <jason@redhat.com>
4116 * tree-inline.c (copy_result_decl_to_var): New fn.
4117 (declare_return_variable): Use it. Call declare_inline_vars here.
4118 (expand_call_inline): Not here.
4120 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4122 * doc/contrib.texi: Update my entry.
4124 2006-09-06 Nick Clifton <nickc@redhat.com>
4126 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4128 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4131 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4132 (canonicalize_induction_variables): Likewise.
4133 (tree_unroll_loops_completely): Likewise.
4134 (tree_ssa_prefetch_arrays): Likewise.
4135 (remove_empty_loops): Likewise.
4136 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4137 TODO_cleanup_cfg instead of directly calling
4138 cleanup_tree_cfg_loop.
4139 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4141 (tree_unroll_loops_completely): Likewise.
4142 (remove_empty_loops): Likewise.
4143 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4144 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4145 of tree_ssa_unswitch_loops.
4146 (tree_ssa_loop_ivcanon): Use the return value of
4147 canonicalize_induction_variables.
4148 (tree_ssa_empty_loop): Use the return value of
4150 (tree_complete_unroll): Use the return value of
4151 tree_unroll_loops_completely.
4152 (tree_ssa_loop_prefetch): Use the return value of
4153 tree_ssa_prefetch_arrays.
4154 * passes.c (execute_todo): Before Cleanup CFG, set
4155 updating_used_alone and after cleanup CFG, call
4156 recalculate_used_alone.
4158 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4161 * tree-vect-transform.c (vectorizable_condition): Move the check
4162 for the type after the check for simple condition.
4164 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4165 Kaz Kojima <kkojima@gcc.gnu.org>
4168 * mode-switching.c (optimize_mode_switching): Make the destination
4169 block of an abnormal edge have no anticipatable mode. Don't
4170 insert mode switching code at the end of the source block of
4173 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4175 PR rtl-optimization/26847
4176 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4177 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4178 (simplify_plus_minus): Count n_constants while filling ops. Replace
4179 qsort with insertion sort. Before going through the array to simplify
4180 pairs, sort it. Delay early exit until after the first sort, exiting
4181 only if no swaps occurred. Simplify pairs in reversed order, without
4182 special-casing the first iteration. Pack ops after simplifying pairs.
4184 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4186 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4187 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4188 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4189 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4191 2006-09-05 Richard Guenther <rguenther@suse.de>
4193 PR tree-optimization/28900
4194 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4195 compound conditional before creating COND_EXPR condition.
4197 2006-09-05 Richard Guenther <rguenther@suse.de>
4199 PR tree-optimization/28905
4200 * tree-vrp.c (fix_equivalence_set): Manually implement
4201 !value_ranges_intersect_p to also handle symbolic ranges.
4203 2006-09-05 Richard Guenther <rguenther@suse.de>
4206 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4209 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4211 PR rtl-optimization/27616
4212 * cse.c (table_size): New static variable.
4213 (new_basic_block): Initialize it to 0.
4214 (remove_from_table): Decrement it.
4215 (insert): Increment it.
4216 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4217 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4218 fold_rtx_mem_1 if under the cap.
4219 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4220 the lookup of the equivalent expression and test for equality of the
4221 first operand of the equivalent expression before in turn looking up
4222 an equivalent constant for the second operand.
4224 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4227 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4228 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4229 pointer, instead of assuming it is possible to derive the
4230 correct args size from a call insn.
4232 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4235 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4236 (fold_builtin_mempcpy): Rename to...
4237 (fold_builtin_memory_op): ... this. Optimize one element copy
4239 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4241 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4242 (expand_builtin_memcpy, expand_builtin_mempcpy,
4243 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4244 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4245 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4246 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4248 2006-09-01 DJ Delorie <dj@redhat.com>
4250 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4251 (stzx_16): Likewise.
4252 ("stzx_24_<mode>"): Likewise.
4253 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4254 ("cmp<mode>_op"): New.
4255 (cmp<mode>): Change to expander; just save operands.
4257 (b<code>): Change to expander, emit compare here.
4258 (s<code>_op): Change to use split and expander.
4259 (s<code>_24_op): Likewise.
4260 (s<code>_<mode>): New.
4261 (s<code>_<mode>_24): New.
4262 (movqicc_<code>_<mode): New.
4263 (movhicc_<code>_<mode>): New.
4266 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4267 (m32c_pend_compare): New.
4268 (m32c_unpend_compare): New.
4269 (m32c_expand_scc): New.
4270 (m32c_expand_movcc): Emit the compare also.
4271 * config/m32c/predicates.md (mra_nopp_operand): New.
4273 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4274 Richard Guenther <rguenther@suse.de>
4275 Adam Nemet <anemet@caviumnetworks.com>
4278 * builtins.c (get_pointer_alignment): Handle more forms
4279 of base addresses that can be used to derive more precise
4280 information about alignment.
4282 2006-09-01 Jason Merrill <jason@redhat.com>
4285 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4288 * gimplify.c (voidify_wrapper_expr): Handle null type.
4290 2006-09-01 Josh Conner <jconner@apple.com>
4293 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4294 (execute_return_slot_opt): Use it.
4296 2006-08-31 Josh Conner <jconner@apple.com>
4299 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4300 returning aggregates.
4302 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4304 PR tree-optimization/28839
4305 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4306 blocks in that phi arguments appear.
4308 2006-08-31 Roger Sayle <roger@eyesopen.com>
4311 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4312 NULL, otherwise use an advance_loc4 to adjust relative to the
4314 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4315 (dwarf2out_switch_text_section): Reset the current label to avoid
4316 using advance_loc4 over section boundaries.
4318 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4321 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4322 r12 + SYMBOLIC_CONST.
4324 2006-08-30 Richard Guenther <rguenther@suse.de>
4326 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4328 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4330 PR rtl-optimization/27735
4331 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4332 Add new argument to keep track of whether an irreducible region
4333 was affected. All callers changed.
4334 (fix_irreducible_loops): Removed.
4335 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4336 flags were invalidated.
4338 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4340 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4341 instead of SF operands.
4342 (*fop_df_comm_sse): Likewise.
4343 (*fop_df_comm_i387): Likewise.
4344 (*fop_df_1_mixed): Likewise.
4345 (*fop_df_1_sse): Likewise.
4347 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4348 J"orn Rennecke <joern.rennecke@st.com>
4350 PR tree-optimization/17506
4351 * tree-ssa.c (warn_uninit): If warning about a location outside of
4352 the current function, note where the variable was declared.
4354 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4356 PR tree-optimization/28411
4357 * double-int.c (double_int_div): Use double_int_divmod.
4358 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4359 double_int_mod, double_int_smod, double_int_umod): New functions.
4360 * double-int.h (double_int_divmod, double_int_sdivmod,
4361 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4363 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4365 (get_computation_aff, get_computation_cost_at): Handle double_int
4366 return type of constant_multiple_of.
4368 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4371 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4372 an implicit conversion.
4374 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4376 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4378 2006-08-27 Roger Sayle <roger@eyesopen.com>
4380 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4383 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4385 * config/i386/crtfastmath.c: Fix a comment typo.
4387 2006-08-26 Roger Sayle <roger@eyesopen.com>
4389 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4390 temporary visit flags on CASE_LABEL_EXPRs.
4391 * c-common.c (match_case_to_enum): Add function comment. Avoid
4392 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4393 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4394 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4395 a constant, only warn if that constant value isn't handled.
4397 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4400 * input.h (restore_input_file_stack): Declare.
4401 (INPUT_FILE_STACK_BITS): Define.
4402 * toplev.c (fs_p, input_file_stack_history,
4403 input_file_stack_restored, restore_input_file_stack): New.
4404 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4405 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4406 (pop_srcloc): Don't free old state of stack.
4408 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4411 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4412 (PowerPC Type Attributes): New.
4414 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4416 * config/xtensa/xtensa.c (function_arg_boundary): New.
4417 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4419 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4420 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4422 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4425 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4428 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4430 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4431 (verify_local_live_at_start): Likewise.
4433 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4436 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4437 omp_add_variable): Treat sizes as variable whenever not
4440 2006-08-26 Richard Guenther <rguenther@suse.de>
4443 * fold-const.c (fold_binary): Fold temporary to correct
4444 type before constructing new comparison.
4446 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4449 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4450 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4452 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4455 * c-decl.c (start_function): Don't try to process prototype
4456 information from old declaration that isn't a function.
4458 2006-08-25 Jan Hubicka <jh@suse.cz>
4461 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4463 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4466 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4469 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4471 PR tree-optimization/16876
4472 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4473 exit if PARM doesn't match VALUE.
4475 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4477 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4478 literal_prefix directive.
4479 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4480 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4481 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4483 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4486 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4487 predicate to general_operand. Add 0->y and I->r alternatives.
4489 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4491 * doc/tm.texi: Fix a typo.
4492 * predict.c: Fix comment typos.
4494 2006-08-25 Nick Clifton <nickc@redhat.com>
4496 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4497 assertions of "cpu" and "machine".
4499 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4502 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4503 the access through a base which has an alias set of 0 cannot
4506 2006-08-24 Bill Wendling <wendling@apple.com>
4508 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4510 2006-08-24 Jan Hubicka <jh@suse.cz>
4512 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4514 2006-08-24 Jan Hubicka <jh@suse.cz>
4517 * cgraph.c: Fix comments.
4518 (cgraph_varpool_mark_needed_node): Mark only variables not already
4520 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4521 (cgraph_varpool_assembled_nodes_queue): New static variable.
4522 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4523 (cgraph_varpool_output_debug_info): New function.
4524 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4525 * Makefile.in: Add gt-cgraphunit.h
4527 2006-08-24 Jan Hubicka <jh@suse.cz>
4529 * predict.c (probability_reliable_p): New predicate.
4530 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4531 (predict_loops): Do not predict loop exit with less than 2%
4533 * basic-block.h (edge_probability_reliable_p,
4534 br_prob_note_reliable_p): Declare.
4535 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4536 prediction when static predictor is not reliable.
4537 * rs6000.c (output_cbranch): Likewise.
4539 2006-08-23 Stuart Hastings <stuart@apple.com>
4542 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4543 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4545 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4548 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4549 complex values, nor for generic vector values.
4551 2006-08-22 Richard Guenther <rguenther@suse.de>
4554 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4555 parameter. Convert arguments to arithmetic expression to the
4557 (analyze_scalar_evolution_1): Adjust caller.
4559 2006-08-22 Jan Hubicka <jh@suse.cz>
4561 Patch by Paolo Bonzini
4562 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4565 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4567 PR tree-optimization/28003
4568 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4569 before grouping aliases.
4571 2006-08-22 Roger Sayle <roger@eyesopen.com>
4573 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4574 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4576 2006-08-21 Jason Merrill <jason@redhat.com>
4579 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4580 wrapper. Loop to handle nested wrappers.
4581 (gimplify_bind_expr): Remove temp parameter.
4582 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4583 and STATEMENT_LIST on the rhs.
4584 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4585 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4586 (gimplify_target_expr): Remove special BIND_EXPR handling.
4588 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4590 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4593 2006-08-21 Olivier Hainque <hainque@adacore.com>
4595 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4596 Arrange for the temporary captures of components overlapping the lhs
4597 to happen before the lhs is possibly cleared.
4599 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4601 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4602 necessary places to pass the correct "number of registers" values
4605 2006-08-20 Jan Hubicka <jh@suse.cz>
4607 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4608 (create_name_tags): Instead of quadratic checking use hashtable.
4609 * bitmap.h: Include hashtab.h.
4610 (bitmap_hash): Declare.
4611 * bitmap.c (bitmap_hash): New function.
4613 2006-08-20 Jan Hubicka <jh@suse.cz>
4615 PR rtl-optimization/28071
4616 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4618 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4619 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4620 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4621 cgraph_decide_inlining_incrementally): Update use of
4622 cgraph_check_inline_limits.
4623 * cgraph.c (edge_hash, edge_eq): New function.
4624 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4625 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4626 cgraph_remove_node): Maintain call site hash.
4627 * cgraph.h (struct cgraph_node): Add call_site_hash.
4628 (cgraph_set_call_stmt): New function.
4630 2006-08-20 Jan Hubicka <jh@suse.cz>
4632 PR rtl-optimization/28071
4633 * reload1.c (reg_has_output_reload): Turn into regset.
4634 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4635 choose_reload_regs, emit_reload_insns): Update to new
4636 reg_has_output_reload.
4638 2006-08-20 Jan Hubicka <jh@suse.cz>
4641 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4642 function body sizes.
4643 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4645 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4648 * tree.c (handle_dll_attribute): Return early if not a
4649 var or function decl.
4651 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4654 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4655 alignment of SPE vector types.
4657 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4659 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4661 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4664 * cgraph.h (struct cgraph_node): Remove externally_visible
4666 * cgraphunit.c (process_function_and_variable_attributes): Set
4667 local.externally_visible rather than externally_visible.
4670 * c-common.c (handle_externally_visible_attribute): First look
4671 at TREE_CODE and only if it is function or var decl, check for
4672 non-public objects. Don't warn for DECL_EXTERNAL.
4673 * cgraphunit.c (process_function_and_variable_attributes): Warn
4674 if externally_visible attribute is used on non-public object.
4676 2006-08-17 Jan Hubicka <jh@suse.cz>
4678 PR tree-optimization/27865
4679 * reload1.c (forget_marked_reloads): New function.
4680 (forget_old_reloads_1): When data are passed, just mark the registers
4682 (reload_as_needed): Use the new mechanizm.
4684 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4687 * reload.h (reg_equiv_alt_mem_list): New declaration.
4688 * reload1.c (reg_equiv_alt_mem_list): New definition.
4689 (reload): Initialize it and release it.
4690 (delete_output_reload): Use it.
4691 * reload.c (push_reg_equiv_alt_mem): New function.
4692 (find_reloads_toplev): Call it.
4693 (find_reloads_address, find_reloads_address_1): Likewise.
4694 (find_reloads_subreg_address): Likewise.
4696 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4698 PR rtl-optimization/28489
4699 * sched-ebb.c (begin_schedule_ready): Create basic block
4701 (advance_target_bb): Skip empty blocks.
4702 * haifa-sched.c (bb_note): Make global.
4703 * sched-int.h (bb_note): Add prototype.
4705 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4707 PR tree-optimization/27865
4708 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4710 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4711 fold_used_pointer, pointer_used_p): New functions.
4712 (analyze_scalar_evolution_1): Use fold_used_pointer.
4713 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4714 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4717 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4720 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4721 or the INTEGER_CST. Fail on a CALL_EXPR.
4722 (fold_offsetof): Pass new argument to fold_offsetof_1.
4723 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4724 operand into an INDIRECT_REF.
4725 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4727 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4729 PR gcov/profile/26570
4730 * value-prof.c (static_values): Removed.
4731 (tree_find_values_to_profile): Do not set static_values.
4732 (find_values_to_profile): Do not free static_values.
4733 * profile.c (instrument_values): Do not free the values.
4734 (branch_prob): Free the values.
4736 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4738 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4740 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4743 * c-typeck.c (build_component_ref): Combine qualifiers of
4744 structure or union and field.
4746 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4748 PR rtl-optimization/28071
4749 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4750 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4751 * tree-into-ssa.c (struct dom_dfsnum): New.
4752 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4754 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4755 compute_global_livein.
4756 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4757 in phi nodes in the correct blocks.
4759 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4761 PR tree-optimization/28364
4762 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4764 (fold_affine_expr): New function.
4765 (may_eliminate_iv): Use fold_affine_expr.
4767 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4770 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4773 2006-08-16 Mike Stump <mrs@apple.com>
4775 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4776 * doc/cppopts.texi (-MD): Likewise.
4778 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4781 * c-common.c (handle_weak_attribute): Ignore and warn if
4782 not a FUNCTION_ or VAR_DECL.
4784 2006-07-15 Mike Stump <mrs@apple.com>
4787 * c-parser.c (c_parser_typeof_specifier): Don't use
4788 c_finish_expr_stmt, open code desired semantics instead.
4790 2006-08-15 Nick Clifton <nickc@redhat.com>
4792 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4793 fragment to tmake_file only if threads are enabled.
4794 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4795 * config/i386/t-gthr-win32: New file. ... here.
4797 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4800 * c-parser.c (c_parser_compound_statement_nostart): Reset
4801 parser->error after each statement.
4803 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4806 * omp-low.c (lower_omp_parallel): Convert t to
4807 receiver_decl's type.
4808 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4809 source before comparison.
4812 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4813 to itype in assignment to oldival2.
4815 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4819 * c-typeck.c (build_compound_expr): If the second expression
4820 is an error mark, then just return an error mark instead of
4821 creating a COMPOUND_EXPR.
4823 2006-07-14 Mike Stump <mrs@apple.com>
4825 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4827 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4829 * c-decl.c, var-tracking.c: Fix comment typos.
4831 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4833 PR rtl-optimization/28634
4834 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4835 for floating-point modes unless flag_unsafe_math_optimizations.
4837 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4838 Andrew Pinski <pinskia@physics.uc.edu>
4841 * tree.c (build_array_type): Unify array types with
4842 unspecified index_type.
4843 * c-decl.c (grokdeclarator): Make sure we do not modify a
4844 unified incomplete array type.
4845 * c-typeck.c (store_init_value): Create distinct type before
4846 filling in the index type in an initializer from a compound
4849 * c-decl.c (grokdeclarator): Remove code where we copy the
4852 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4854 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4855 into account for TODO_dump_cgraph.
4856 (TODO_update_ssa_no_phi): Likewise.
4857 (TODO_update_ssa_full_phi): Likewise.
4858 (TODO_update_ssa_only_virtuals): Likewise.
4859 (TODO_remove_unused_locals): Likewise.
4860 (TODO_set_props): Likewise.
4861 (TODO_update_stmt_usage): Likewise.
4863 2006-08-13 Dirk Mueller <dmueller@suse.de>
4865 * c-common.c (strict_aliasing_warning): Fix formatting.
4867 2006-08-13 Matthias Klose <doko@debian.org>
4869 * doc/invoke.texi: Fix spelling errors.
4871 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4873 PR rtl-optimization/23454
4874 * reorg.c (relax_delay_slots): Update comment.
4876 2006-08-11 Richard Guenther <rguenther@suse.de>
4879 * simplify-rtx.c (simplify_const_relational_operation):
4880 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4883 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4885 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4886 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4888 2006-08-10 Paul Brook <paul@codesourcery.com>
4890 * final.c (final_scan_insn): Clear current_insn_predicate before
4891 outputting inline asm.
4893 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4895 PR tree-optimization/26197
4896 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4897 get_ref_base_and_extent and overlap_subvar to add only relevant
4898 subvars as may-aliases.
4899 (add_may_alias_for_new_tag): New function, factored out of
4901 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4902 with additional argument.
4903 * tree-flow.h (new_type_alias): Takes additional argument.
4905 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4907 * gcov.c (no_data_file): New flag.
4908 (read_count_file): Set it if data file not present. Assume counts
4910 (output_lines): Don't name the data file, if there wasn't one.
4912 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4914 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4915 (rs6000_generate_compare): Tweak comments.
4916 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4918 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4920 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4921 (var_debug_decl): New function.
4922 (var_reg_set): Follow debug decl link. Add location even if
4923 reg is already known to hold some other variable.
4924 (var_mem_set): Follow debug decl link.
4925 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4926 decl link. Delete other known locations of the variable part
4928 (var_reg_delete, var_mem_delete): Delete other known locations
4929 of the variable part if requested.
4930 (same_variable_part_p): New function.
4931 (add_stores): Select MO_COPY when appropriate.
4932 (vt_initialize): Handle it.
4933 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4934 known locations for MO_SET and MO_CLOBBER.
4935 (find_variable_location_part): New function.
4936 (set_variable_part, delete_variable_part): Use it.
4937 (clobber_variable_part): New function.
4938 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4941 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4943 PR tree-optimization/26969
4944 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4945 with an empty list of PHIs.
4947 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4951 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4954 2006-08-06 Andreas Schwab <schwab@suse.de>
4956 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4957 string. Whitespace and comment fixup.
4959 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4962 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4966 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4969 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4971 2006-08-04 Jan Hubicka <jh@suse.cz>
4975 * reload.c (push_reload): Patch out the mismatching instruction;
4977 (find_reload): Bail out if the instruction was patched out.
4979 2006-08-04 Jan Hubicka <jh@suse.cz>
4981 PR tree-optimization/24888
4982 * tree-inline.c (expand_call_inline): Do not re-record variables.
4983 (declare_inline_vars): Add variable to unexpanded_var_list.
4985 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4986 Roger Sayle <roger@eyesopen.com>
4988 PR rtl-optimization/26244
4989 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4990 inner_const are negative or greater than or equal to the bitsize of
4991 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4992 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4993 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4994 CONST0_RTX (mode) when the new shift count is greater than or equal to
4995 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4998 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5000 * tree-cfg.c: Fix a comment typo.
5002 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5005 * varasm.c (output_constant): Give the front end another chance to
5006 expand constants, after stripping NOPs.
5008 2006-08-03 Jan Hubicka <jh@suse.cz>
5010 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5013 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5015 PR tree-optimization/27770
5016 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5017 declaration removed (moved to tree-flow.h).
5018 (vect_can_force_dr_alignment_p): Likewise.
5019 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5020 (moved from tree-vectorizer.h).
5021 (vect_can_force_dr_alignment_p): Likewise.
5022 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5023 from outside the vectorizer - in particular from cgraph stage.
5024 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5025 the alignment of global arrays when -fsection-anchors is enabled.
5026 * cgraphunit.c (cgraph_increase_alignment): New function.
5027 (cgraph_optimize): Call cgraph_increase_alignment.
5029 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5032 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5033 not reload a SPE symbol_ref into a lo_sum address.
5035 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5038 * dwarf2out.c (prune_unused_types_prune): Move call to
5039 prune_unused_types_update_strings to cover the parent DIE also.
5041 2006-08-02 Jan Hubicka <jh@suse.cz>
5043 PR gcov/profile/28480
5044 * tree-cfg.c (change_bb_for_stmt): New function.
5045 (tree_merge_blocks, tree_split_blocks): Use it.
5047 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5053 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5054 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5055 (cgraph_optimize): Likewise.
5057 2006-08-01 Stuart Hastings <stuart@apple.com>
5059 * rtl.h (UINTVAL) New.
5060 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5061 * testsuite/gcc.dg/20060801-1.c: New.
5063 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5066 * c-typeck.c (build_external_type): Mark used enum types.
5067 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5069 (gen_subprogram_die): Whitespace fix.
5071 2006-08-01 Jan Hubicka <jh@suse.cz>
5073 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5074 bitmap when not needed.
5075 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5078 2006-08-01 Dirk Mueller <dmueller@suse.de>
5080 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5082 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5084 * Makefile.in: Revert part of previous patch:
5085 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5088 2006-07-30 Eric Christopher <echristo@apple.com>
5091 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5092 (PowerPC Variable Attributes): New section.
5094 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5096 PR target/28126 (partial fix)
5097 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5099 2006-07-28 Jan Hubicka <jh@suse.cz>
5101 PR rtl-optimization/28071
5102 * cfgrtl.c (rtl_delete_block): Free regsets.
5103 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5105 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5107 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5108 and variables used in dependencies.
5110 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5112 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5113 %fs for -mcmodel=kernel.
5114 (stack_tls_protect_test_di): Likewise.
5116 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5118 * Makefile.in: Use mkinstalldirs.
5120 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5123 * opts-common.c (prune_options): Skip joined switches.
5125 2006-07-27 Jan Hubicka <jh@suse.cz>
5127 PR rtl-optimization/28071
5128 * cselib.c (cselib_process_insn): Don't remove useless values too
5129 often for very large hashtables.
5131 2006-07-27 Jan Hubicka <jh@suse.cz>
5133 PR rtl-optimization/28071
5134 * global.c (greg_obstack): New obstack.
5135 (allocate_bb_info): Use it.
5136 (free_bb_info): Likewise.
5137 (modify_reg_pav): Likewise.
5139 2006-07-27 Roger Sayle <roger@eyesopen.com>
5141 * builtins.c (fold_fixed_mathfn): When long and long long are the
5142 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5143 functions to their lceil*, lfloor*, lround* and lrint* forms.
5145 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5148 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5150 (rev_branch_insn): Likewise.
5152 2006-07-27 Jan Hubicka <jh@suse.cz>
5154 PR rtl-optimization/28071
5155 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5156 (reg_set_in_bb, max_reg_computed): New static variables.
5157 (regmove_optimize): Free the new array.
5158 (fixup_match_1): Update call of reg_is_remote_constant_p.
5160 2006-07-26 Jan Hubicka <jh@suse.cz>
5162 PR tree-optimization/27882
5163 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5165 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5167 (cgraph_analyze_compilation_unit): Likewise.
5168 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5169 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5170 (cgraph_early_inlinine): Make order garbage collected.
5171 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5173 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5175 * dbxout.c (output_types_sort): Add a comment.
5176 (output_used_types): Free the VEC.
5178 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5180 * function.c (reorder_fix_fragments): Delete.
5181 (reorder_blocks): Don't call it.
5182 (reorder_blocks_1): Put all subblocks under the origin block.
5184 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5186 PR rtl-optimization/27907
5187 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5190 2006-07-25 Roger Sayle <roger@eyesopen.com>
5193 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5194 bar(x) check that bar's result type can represent all the values of T.
5196 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5198 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5200 2006-07-25 Nick Clifton <nickc@redhat.com>
5202 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5203 size_lookup[] array.
5204 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5205 (ggc_pch_count_object): Likewise.
5206 (ggc_pch_alloc_object): Likewise.
5207 (ggc_pch_write_object): Likewise.
5208 (init_ggc): Do not attempt to initialize entries in the
5209 size_lookup[] array for objects whose size is greater than than
5210 the length of the array.
5212 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5214 * dbxout.c (output_used_types_helper): Push queued types
5216 (output_types_sort): New.
5217 (output_used_types): Collect used types on a VEC and sort them
5220 2006-07-24 Richard Guenther <rguenther@suse.de>
5223 * cgraph.c (cgraph_remove_node): Do not check if dumps
5225 * cgraphunit.c (cgraph_optimize): Likewise.
5227 2006-07-24 Jan Hubicka <jh@suse.cz>
5229 PR rtl-optimization/28071
5230 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5231 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5232 splitting before first stmt.
5234 2006-07-24 Jan Hubicka <jh@suse.cz>
5236 PR rtl-optimization/28071
5237 * ipa-inline.c (update_caller_keys): Remove edges that
5238 are no longer inline candidates.
5240 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5243 * dbxout.c (output_used_types_helper, output_used_types): New.
5244 (dbxout_symbol): Call output_used_types.
5246 2006-07-23 Jan Hubicka <jh@suse.cz>
5250 * cgraph.c (cgraph_varpool_nodes): Export.
5251 (decide_is_variable_needed): Ignored "used" attribute in
5252 unit-at-a-time mode.
5253 * cgraph.h (cgraph_varpool_nodes): Declare.
5254 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5255 unit-at-a-time mode.
5257 2006-07-23 Roger Sayle <roger@eyesopen.com>
5260 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5261 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5262 the __gthrw form of thr_keycreate.
5263 (__gthread_key_delete): Silence the unused argument warning.
5265 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5268 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5269 Cache the last found '\0' marker to avoid quadratic behavior.
5271 2006-07-23 Jan Hubicka <jh@suse.cz>
5273 * i386.md (subsi_3_zext): Fix output template.
5275 2006-07-21 Mike Stump <mrs@apple.com>
5277 * doc/invoke.texi (C++ Dialect Options): Note that
5278 -fvisibility-inlines-hidden doesn't affect explicitly
5279 instantiationed inline methods.
5281 2006-07-20 Roger Sayle <roger@eyesopen.com>
5283 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5284 if the target assembler is GNU binutils' gas.
5285 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5286 whether to pass GNU gas or native as command line options.
5288 2006-07-20 Jason Merrill <jason@redhat.com>
5290 * tree.c (remove_attribute): New fn.
5291 * tree.h: Declare it.
5293 2006-07-20 Paul Brook <paul@codesourcery.com>
5296 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5297 they are invalidated by this instruction.
5299 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5302 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5304 2006-07-20 Eric Christopher <echristo@apple.com>
5307 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5309 2006-07-19 Eric Christopher <echristo@apple.com>
5311 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5312 Rewrite dependencies for libgcc_s.1.dylib.
5314 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5316 * except.c (duplicate_eh_regions_1): Clear next_peer.
5318 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5320 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5321 -mlongcall does not guarantee all calls will be long.
5322 * doc/extend.texi (long_call/short_call): Document that longcall
5323 does not guarantee a long call will be used.
5324 (longcall/shortcall): Likewise.
5326 2006-07-18 Roger Sayle <roger@eyesopen.com>
5329 * expmed.c (expand_shift): Additionally check that the shift_cost
5330 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5331 before implementing a LSHIFT_EXPR as a sequence of additions.
5332 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5333 middle-end that DImode shifts need to be synthesized by expand.
5335 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5338 * tree-ssa-operands.c (access_can_touch_variable): Update
5340 Return true if ALIAS is .GLOBAL_VAR.
5342 2006-07-18 David Daney <ddaney@avtrex.com>
5344 * gcc.c (display_help): Fix typo in help text.
5346 2006-07-18 Olivier Hainque <hainque@adacore.com>
5348 * tree.h (categorize_ctor_elements): Adjust prototype and add
5349 descriptive comment, both in accordance with the interface change
5351 * varasm.c (constructor_static_from_elts_p): New function.
5352 Whether a constructor node is a valid static constant initializer
5353 if all its elements are.
5354 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5355 * output.h: Declare it.
5356 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5357 is a valid constant initializer instead of computing the number of
5358 non-constant elements. Use constructor_static_from_elts_p for this
5359 purpose. Replace the head comment with an indication that this is a
5360 helper for categorize_ctor_elements.
5361 (categorize_ctor_elements): Same interface change as for the _1
5362 helper. Former head comment from this helper moved here, adjusted to
5363 account for the interface changes.
5364 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5365 (all_zeros_p): Likewise.
5366 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5367 static versions of the constructor from the categorize_ctor_elements
5368 return value instead of the formerly computed number of non-constant
5371 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5373 * configure: Regenerate.
5374 * Makefile.in (build_libsubdir): New configure substitution
5375 (build_libobjdir): New variable.
5376 (BUILD_LIBIBERTY): Use it.
5378 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5381 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5383 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5386 * c-common.c (handle_weakref_attribute): Ignore attribute in
5387 the same conditions the alias attribute is ignored.
5389 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5391 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5392 (dbxout_begin_prologue): Increment scope_labelno.
5394 2006-07-17 Richard Henderson <rth@redhat.com>
5397 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5400 2006-07-17 Roger Sayle <roger@eyesopen.com>
5401 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5403 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5404 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5405 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5406 functions such as sbrk, write, etc.. Add function prototypes.
5407 Convert function declarations from K&R to ISO C. Cast pointers
5408 to "long" and "unsigned long" instead of "int" and "unsigned int".
5409 Convert tokens following #endif into comments.
5411 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5413 * invoke.texi: Remove mention of f77; Reformat table for
5414 inline parameter options correctly; mention that -malign-double
5415 is default on x86-64 targets.
5417 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5419 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5420 (convert_affine_scev, chrec_convert_aggressive): Use
5421 avoid_arithmetics_in_type_p. Do not check for the subtypes
5424 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5427 * optabs.c (expand_doubleword_shift): Wrap the call to
5428 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5430 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5433 * optabs.c (expand_binop): Pass next_methods rather than methods
5434 to expand_doubleword_shift.
5436 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5439 * tree.h (dump_addr): Declare.
5440 * print-tree.c (dump_addr): New function.
5441 (print_node_brief, print_node): Use it.
5442 * print-rtl.c (print_rtx): Likewise.
5443 * common.opt (-fdump-noaddr): New option.
5444 * doc/invoke.texi (-fdump-noaddr): Document.
5445 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5446 (ve_info_hash): Likewise.
5448 2006-07-13 Andrew Haley <aph@redhat.com>
5450 PR tree-optimization/19505
5451 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5452 edge leaving this block, make sure that the destination of this
5453 block has only one predecessor.
5455 2006-07-17 Richard Guenther <rguenther@suse.de>
5457 PR tree-optimization/28238
5458 * tree-inline.c (copy_bb): Check if we produced valid
5459 gimple copying and substituting a stmt. If not, gimplify
5462 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5464 * optabs.c (maybe_encapsulate_block): New function extracted from...
5465 (emit_libcall_block): ...here. Invoke it on the block of insns to
5466 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5467 (emit_no_conflict_block): Likewise.
5469 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5471 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5473 2006-07-15 Roger Sayle <roger@eyesopen.com>
5475 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5476 a new NOP_EXPR case of the switch statement.
5478 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5481 * stor-layout.c (place_field): Take the bit field with
5482 an excessive size into account in the ms-bitfiled case.
5485 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5486 the previous bit field.
5488 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5491 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5493 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5495 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5496 signal frames correctly even when the signal was installed with
5499 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5501 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5502 (dbxout_function_end): Use local label LFBB. Remove hook
5504 (dbxout_source_line): Use local label LFBB.
5505 (dbxout_block): Likewise.
5506 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5507 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5508 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5509 and DBX_OUTPUT_NFUN.
5511 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5513 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5515 2006-07-13 Jan Hubicka <jh@suse.cz>
5517 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5519 * output.h (align_variable): Declare.
5520 * varasm.c (align_variable): Export.
5521 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5522 when basic block changed.
5524 2006-07-13 Nick Clifton <nickc@redhat.com>
5526 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5527 walking the LOG_LINKS chain.
5529 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5531 * doc/invoke.texi (C++ Dialect Options): Explain difference
5532 between -fvisibility-inlines-hidden and setting hidden
5533 visibility explicitly.
5535 2006-07-12 Eric Christopher <echristo@apple.com>
5537 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5538 (stmp-lipo): Depend on libgcc.a.
5540 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5542 * tree.c: Fix a comment typo.
5544 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5546 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5548 (umulhisi3_r): Likewise.
5550 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5553 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5554 x < 19, vs wchar_t support.
5556 2006-07-12 Nick Clifton <nickc@redhat.com>
5558 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5559 instead of -isa=sh4.
5561 2006-07-12 Mike Stump <mrs@apple.com>
5563 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5565 2006-07-10 Eric Christopher <echristo@apple.com>
5567 * config/t-slibgcc-darwin: Rewrite.
5569 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5572 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5575 2006-07-08 Matthias Klose <doko@debian.org>
5577 * doc/sourcebuild.texi: Fix typo.
5579 2006-07-07 Mike Stump <mrs@apple.com>
5581 * toplev.c (process_options): Don't give -ffunction-sections may
5582 affect debugging warning for Mach-O.
5584 2006-07-07 James E Wilson <wilson@specifix.com>
5586 * config/mips/mips.md (cpu): Add sb1a.
5587 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5588 addition to sb1. Adjust comments to clarify SB-1A differences from
5590 (ir_sb1a_load): New. Modify bypasses to use it.
5591 (ir_sb1a_simple_alu): Likewise.
5592 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5593 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5594 (mips_issue_rate): Add PROCESSOR_SB1A.
5595 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5596 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5597 (TARGET_SB1): Add PROCESSOR_SB1A check.
5598 (TUNE_SB1): Likewise.
5600 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5601 * config/mips/mips.c (mips_store_data_bypass_p): New.
5602 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5603 store_data_bypass_p.
5605 2006-07-08 Paul Brook <paul@codesourcery.com>
5608 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5610 2006-07-07 Richard Guenther <rguenther@suse.de>
5613 * tree.h (build_one_cst): Declare.
5614 * tree.c (build_one_cst): New function.
5615 * tree-ssa-math-opts.c (get_constant_one): Remove.
5616 (insert_reciprocals): Use build_one_cst.
5617 * fold-const.c (fold_plusminus_mult): Likewise.
5619 2006-07-07 Roger Sayle <roger@eyesopen.com>
5621 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5622 * cfgloopanal.c (dump_graph): Likewise.
5623 * dojump.c (discard_pending_stack_adjust): Likewise.
5624 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5626 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5627 * function.c (finalize_block_changes): Likewise.
5628 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5629 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5630 * rtl.c (dump_rtx_statistics): Likewise.
5631 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5633 * varray.c (dump_varray_statistics): Likewise.
5634 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5635 decode_decimal64, encode_decimal128, decode_decimal128,
5636 decimal_real_to_decimal): Likewise.
5638 2006-07-07 Richard Guenther <rguenther@suse.de>
5640 PR tree-optimization/28187
5641 * tree-vrp.c (vrp_operand_equal_p): New function.
5642 (vrp_bitmap_equal_p): Likewise.
5643 (update_value_range): Use them to compare old and new
5646 2006-07-06 Roger Sayle <roger@eyesopen.com>
5648 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5649 a default case to switch statement to silence compiler warnings.
5651 2006-07-06 Roger Sayle <roger@eyesopen.com>
5654 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5655 the configured assembler supports the x87's ffreep mnemonic.
5656 * configure: Regenerate.
5657 * config.in: Regenerate.
5659 * config/i386/i386.c (output_387_ffreep): New function.
5660 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5661 (output_387_reg_move): Likewise.
5663 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5665 Port to hosts whose 'sort' and 'tail' implementations
5666 treat operands with leading '+' as file names, as POSIX
5667 has required since 2001. However, make sure the code still
5668 works on pre-POSIX hosts.
5669 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5670 which says you should use "tail -c +N" rather than "tail +Nc".
5671 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5673 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5675 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5678 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5681 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5682 PRE_{INC,DEC} of TFmode.
5684 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5685 Alan Modra <amodra@bigpond.net.au>
5688 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5691 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5694 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5695 Remove duplicate gtu.
5697 2006-07-05 Jason Merrill <jason@redhat.com>
5701 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5702 * c-common.c (handle_packed_attribute): So don't copy it here.
5703 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5705 2006-07-05 Mike Stump <mrs@apple.com>
5707 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5709 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5712 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5714 2006-07-05 Richard Guenther <rguenther@suse.de>
5717 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5718 TARGET_SSE2 targets if using SSE math.
5719 (*absdf2_1): Likewise.
5721 2006-07-05 Richard Guenther <rguenther@suse.de>
5723 PR tree-optimization/28162
5724 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5725 make sure to convert the operands to the correct type.
5727 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5729 PR tree-optimization/28218
5731 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5732 to calculate and free the dominator information.
5734 2006-07-04 Peter O'Gorman <peter@pogma.com>
5736 * mklibgcc.in: chmod 644 before ranlib during install.
5738 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5739 J"orn Rennecke <joern.rennecke@st.com>
5741 * configure.ac (.eh_frame data check): Use diff -b.
5743 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5746 * Makefile.in (BUILD_RTL): Add build/vec.o.
5747 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5748 (build/genextract): Delete.
5749 (build/genautomata): Likewise.
5751 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5754 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5755 128-bit IBM long doubles for ABI_V4.
5757 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5759 * tree.c (range_in_array_bounds_p): New predicate.
5760 * tree.h (range_in_array_bounds_p): Declare it.
5761 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5762 return a less conservative answer.
5763 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5764 and flag 'is_group'.
5765 (IS_ELEMENT_FOR_GROUP): New macro.
5766 (FOR_EACH_ACTUAL_CHILD): Likewise.
5767 (next_child_for_group): New helper function.
5768 (can_completely_scalarize_p): Take into account groups.
5769 (sra_hash_tree): Handle RANGE_EXPR.
5770 (sra_elt_eq): Likewise.
5771 (lookup_element): Be prepared for handling groups.
5772 (is_valid_const_index): Delete.
5773 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5774 instead of is_valid_const_index.
5775 <ARRAY_RANGE_REF>: New case.
5776 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5777 is_valid_const_index.
5778 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5779 (scan_dump): Dump info for groups too.
5780 (decide_instantiation_1): Likewise.
5781 (decide_block_copy): Assert that the element is not a group.
5782 Propagate decision to groups.
5783 (generate_one_element_ref): Handle RANGE_EXPR.
5784 (mark_no_warning): Iterate over actual childs.
5785 (generate_copy_inout): Likewise.
5786 (generate_element_copy): Likewise.
5787 (generate_element_zero): Likewise.
5788 (generate_element_init_1): Likewise.
5789 (dump_sra_elt_name): Handle RANGE_EXPR.
5791 2006-07-03 Roger Sayle <roger@eyesopen.com>
5793 PR tree-optimization/26251
5794 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5795 (thread_block): When optimizing for size refuse to thread jumps
5796 that would require duplication of blocks other than redirection
5799 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5801 * configure.ac: Fix thinko in previous check-in.
5802 * configure: Regenerate.
5804 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5807 * configure.ac (for lang...): Simplify nesting of conditionals.
5808 Test subdir_requires for non-enabled languages. Move processing
5809 of lang_opt_files and lang_tree_fiels below that test.
5810 * configure: Regenerate.
5811 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5813 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5815 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5817 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5819 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5822 2006-06-29 Jason Merrill <jason@redhat.com>
5829 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5830 * c-common.c (c_determine_visibility): Handle it here.
5831 * c-decl.c (finish_decl): Call c_determine_visibility for
5833 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5835 * varasm.c (default_assemble_visibility): Likewise.
5836 * c-common.c (handle_visibility_attribute): Complain about trying
5837 to give visibility to an already defined class, or trying to change
5838 declared visibility. Always attach the attribute.
5843 * attribs.c (decl_attributes): Ignore type-in-place attributes
5844 once the type has been defined.
5846 2006-06-29 Roger Sayle <roger@eyesopen.com>
5849 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5850 to indicate the cpplib has issued an error message for us.
5852 2006-06-29 Asher Langton <langton2@llnl.gov>
5855 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5856 insert a label at the end of an function under Mach-O.
5858 2006-06-29 Eric Christopher <echristo@apple.com>
5859 Evan Cheng <evan.cheng@apple.com>
5861 * predicates.md (vector_all_ones_operand): New.
5862 (nonimmediate_or_sse_const_operand): Ditto.
5863 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5864 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5865 (standard_sse_mode_p): Ditto.
5866 (standard_sse_constant_p): Add case for -1 vector.
5867 (ix86_expand_vector_move): Try to use.
5868 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5869 Call standard_sse_constant_opcode.
5870 (*movv4sf_internal): Ditto.
5871 (*movv2df_internal): Ditto.
5873 2006-06-29 Roger Sayle <roger@eyesopen.com>
5875 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5876 of XEXP to extract the operands of a MATCH_CODE rtx.
5878 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5880 * tree.c (tree_size): Do not waste tail padding in
5881 struct tree_string and make the size be the same as
5882 build_string will generate.
5884 2006-06-28 Jason Merrill <jason@redhat.com>
5887 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5888 may_aliases already in the tag's annotations to the bitmap.
5890 2006-06-28 Roger Sayle <roger@eyesopen.com>
5892 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5894 2006-06-28 Roger Sayle <roger@eyesopen.com>
5896 * genpreds.c (generate_switch_p): New function.
5897 (add_mode_tests): Push the new mode test down inside an AND expr
5898 if this allows the switch-suitable MATCH_CODE to be near the root.
5899 (write_match_code_switch): New function to write a MATCH_CODE as
5901 (write_predicate_stmts): New function to write a predicate RTX
5902 expression as a sequence of statements.
5903 (write_one_predicate_function): Use write_predicate_stmts.
5904 (write_tm_constrs_h): Likewise.
5906 2006-06-26 Fred Fish <fnf@specifix.com>
5908 * config/mips/t-sb1: New file.
5909 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5912 2006-06-26 DJ Delorie <dj@redhat.com>
5914 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5916 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5917 Jayant Sonar <jayants@kpitcummins.com>
5918 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5920 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5921 (subsi3, subsi3_1, subsi3_2): New.
5922 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5923 * config/m32c/mov.md (SI mov peephole): New.
5924 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5925 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5927 2006-06-26 Olivier Hainque <hainque@adacore.com>
5929 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5930 a CALL_EXPR target function declaration.
5932 2006-06-26 Richard Guenther <rguenther@suse.de>
5934 * tree.c (build_string): Do not waste tail padding in
5937 2006-06-26 Richard Guenther <rguenther@suse.de>
5939 * ggc-page.c (init_ggc): Add missing element to size_lookup
5943 2006-06-23 Richard Guenther <rguenther@suse.de>
5945 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5946 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5947 alignment requests instead. Add verification code.
5948 Add struct tree_function_decl and struct tree_binfo size to
5949 extra_order_size_table. Add missing element to size_lookup
5952 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5955 * fold-const.c (const_binop): Be prepared for self returning zero.
5956 Simplify code handling complex values.
5958 2006-06-24 Olivier Hainque <hainque@adacore.com>
5960 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5961 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5964 2006-06-24 Olivier Hainque <hainque@adacore.com>
5966 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5967 ARRAY_REF, so have the callback called for the low bound expression.
5969 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5971 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5972 * c-typeck.c (c_common_type): Disallow operations on decimal float
5973 types and other float types.
5974 * convert.c (convert_to_real): Don't ignore conversions involving
5975 decimal float types.
5977 2006-06-23 Olivier Hainque <hainque@adacore.com>
5979 * tree.c (max_int_size_in_bytes): New function, inspired from
5980 code in function.c:assign_temp.
5981 * tree.h (max_int_size_in_bytes): Declare.
5982 * function.c (assign_temp): Use it.
5983 * gimplify.c (create_tmp_var): Relax the assertions on the type
5984 properties, not mandating constant size any more.
5985 (force_constant_size): New static function.
5986 (gimple_add_tmp_var): Use it, forcing variable size to a
5987 constant upper bound if it is not constant on entry.
5989 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5992 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5993 for initialization and setting of one_only flag to ...
5994 (i386_pe_encode_section_info): ...here.
5995 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5996 Recheck that the symbol has not been defined.
5998 2006-06-23 Richard Guenther <rguenther@suse.de>
6000 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6001 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6002 alignment requests instead. Add verification code.
6003 Add struct tree_function_decl and struct tree_binfo size to
6004 extra_order_size_table. Add missing element to size_lookup
6007 2006-06-22 Roger Sayle <roger@eyesopen.com>
6008 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6011 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6012 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6014 2006-06-23 Ben Elliston <bje@au.ibm.com>
6016 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6017 negate dn -- manipulate it directly.
6019 2006-06-22 Roger Sayle <roger@eyesopen.com>
6020 Steven Bosscher <stevenb.gcc@gmail.com>
6023 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6024 generated by gen_move_insn to add REG_LABEL notes if necessary.
6026 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6028 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6029 (leaf_entry): Remove use of MIN_ESA.
6031 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6033 PR rtl-optimization/28121
6034 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6037 2006-06-21 DJ Delorie <dj@redhat.com>
6039 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6041 (mulhisi3_r): Likewise.
6043 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6046 * coverage.c (coverage_counter_alloc): Leave the index type
6048 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6051 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6053 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6054 section from the "Options for Code Generation Conventions".
6056 2006-06-21 Richard Henderson <rth@redhat.com>
6060 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6062 (global_symbolic_operand): Allow weak symbols, even if local_p.
6064 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6066 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6067 (find_interesting_uses_address): Punt if above function returns true.
6069 2006-06-21 Richard Guenther <rguenther@suse.de>
6071 * configure: Regenerated.
6073 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6075 * config/mips/mips.c (function_arg): Where one part of a
6076 complex argument is in registers and the other part in the stack,
6077 return a REG not a PARALLEL.
6079 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6081 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6082 when cross-compiling. Do not substitute libstdcxx_incdir.
6083 * configure: Regenerated.
6085 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6087 * varasm.c (mergeable_string_section): Check for embedded NULs and
6088 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6089 rather than TREE_STRING_LENGTH bytes.
6091 2006-06-21 Richard Guenther <rguenther@suse.de>
6093 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6094 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6097 2006-06-21 Richrad Guenther <rguenther@suse.de>
6099 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6100 Limit iteration over the dominators.
6102 2006-06-20 Roger Sayle <roger@eyesopen.com>
6104 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6105 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6107 2006-06-20 Richard Guenther <rguenther@suse.de>
6108 Michael Matz <matz@suse.de>
6110 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6112 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6113 * et-forest.h (et_free_pools): Prototype new function.
6114 * et-forest.c (et_free_tree_force): Free parent occurrence.
6115 (et_free_pools): New function.
6116 * dominance.c (free_dominance_info): Free et-forest alloc
6119 2006-06-20 Roger Sayle <roger@eyesopen.com>
6121 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6122 integer modes, attempt to directly construct an integer constant.
6124 * fold-const.c (native_encode_vector): Determine the size of each
6125 element from the vector type instead of the first vector element.
6127 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6128 if all of its elements/components are constant.
6129 (build_constructor_from_list): Likewise.
6131 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6133 PR tree-optimization/27331
6134 * tree-data-ref.c (free_data_ref): New function.
6135 (create_data_ref): Fail if the data reference has unknown access
6137 (free_data_refs): Use free_data_ref.
6139 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6142 * tree-inline.c (setup_one_parameter): Strip useless
6143 type conversion before adding it to the IR.
6144 (declare_return_variable): Likewise.
6146 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6149 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6151 2006-06-19 Mike Stump <mrs@apple.com>
6153 * tree.c (variably_modified_type_p): VM arguments don't make the
6156 2006-06-19 Richard Guenther <rguenther@suse.de>
6158 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6159 type conversions after folding.
6161 2006-06-19 Richard Guenther <rguenther@suse.de>
6163 * ggc-page.c (extra_order_size_tab): Add entries with
6164 size of struct function and basic_block.
6165 (size_lookup): Extend to cover sizes up to 511.
6166 (ggc_alloc_stat): Adjust user.
6167 (ggc_pch_count_object): Likewise.
6168 (ggc_pch_alloc_object): Likewise.
6169 (ggc_pch_write_object): Likewise.
6171 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6173 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6174 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6177 2006-06-19 Denis Chertykov <denisc@overta.ru>
6179 * config/avr/libgcc.S : Correct my wrong previous commit.
6181 2006-06-19 Roger Sayle <roger@eyesopen.com>
6184 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6185 have stripped a SUBREG from the shift count, so we may need to
6186 convert_to_mode back to the type's mode before calling make_tree.
6187 Use new_amount instead of amount to avoid expanding a tree twice.
6189 2006-06-19 Richard Guenther <rguenther@suse.de>
6192 * fold-const.c (operand_equal_p): Check if the argument types
6193 have the same precision before stripping NOPs.
6195 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6197 Fix PR tree-optimization/27341
6198 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6200 * tree-complex.c (pass_lower_complex): Update SMT usage.
6202 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6204 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6205 Add a new alternative to the constraint strings. Add move of
6206 operand 1 to 3 to the splitter definition.
6207 ("doloop_si_long"): Second contraint alternative removed.
6209 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6211 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6212 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6214 (AVR_HAVE_MOVW) Define.
6215 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6216 (ASM_SPEC): Add avr25.
6217 (LINK_SPEC): Add avr25.
6218 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6219 (base_arch_s): Add new member 'have_movw_lpmx'.
6220 (avr_arch_types): Init 'have_movw_lpmx'.
6221 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6222 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6223 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6224 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6225 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6227 (avr_file_start): Do not output '.arh' derective.
6228 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6229 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6230 * config/avr/avr.md (mcu_enhanced): Delete.
6231 (mcu_have_movw): Define.
6232 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6233 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6234 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6235 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6236 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6237 attiny861 and at86rf401 devices.
6239 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6241 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6244 2006-06-17 Karl Berry <karl@gnu.org>
6246 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6247 doc/gccint.texi, doc/install.texi (@dircategory): Use
6248 "Software development" instead of "Programming", following
6249 the Free Software Directory.
6251 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6253 * config/i386/i386.c (legitimate_tls_address)
6254 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6255 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6256 (*tls_dynamic_gnu2_combine_64): Likewise.
6258 2006-06-16 Richard Guenther <rguenther@suse.de>
6261 * fold-const.c (negate_expr_p): Do not introduce undefined
6262 overflow in negating INTEGER_CSTs.
6263 (fold_negate_expr): Rename from negate_expr. Revert last
6264 change for folding BIT_NOT_EXPR. Change semantics to
6265 return NULL_TREE for non-simplified negations. Do not
6266 strip type conversions and unify type handling.
6267 (negate_expr): New function, wrap around fold_negate_expr
6268 but ensure building a tree always. Strip type conversions
6269 here, fold to result type.
6270 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6272 2006-06-16 Roger Sayle <roger@eyesopen.com>
6275 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6276 that (would) return their results in stack registers.
6278 2006-06-16 Michael Matz <matz@suse.de>
6279 Richard Guenther <rguenther@suse.de>
6281 * fold-const.c (fold_truthop): Only return new tree node if
6282 we canonicalized something.
6284 2006-06-16 Richard Guenther <rguenther@suse.de>
6286 * function.h (enum function_frequency): Move declaration
6287 out of struct function.
6288 (struct function): Move bool fields and the enum to the bitfield
6289 section. Reorder elements to avoid padding. Remove unused
6290 fields left over from the RTL inliner removal.
6291 * function.c (free_after_compilation): Do not zero removed fields.
6292 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6293 (ipa-type-escape.o): Likewise.
6295 2006-06-16 Richard Guenther <rguenther@suse.de>
6297 * cgraph.h (struct cgraph_local_info): Turn bool elements
6299 (struct cgraph_node): Likewise.
6300 (struct cgraph_varpool_node): Likewise.
6302 2006-06-15 Richard Guenther <rguenther@suse.de>
6304 * fold-const.c (fold_truth_not_expr): Rename from
6305 invert_truthvalue. Give it fold_* semantics to avoid
6307 (invert_truthvalue): New function. Wrapper around
6308 fold_truth_not_expr.
6309 (optimize_minmax_comparison): Avoid creating garbage.
6310 (fold_unary): Use fold_truth_not_expr for folding
6312 (fold_ternary): Replace uses of invert_truthvalue with
6313 fold_truth_not_expr where applicable.
6314 * tree.h (fold_truth_not_expr): Prototype.
6316 2006-06-16 Richard Guenther <rguenther@suse.de>
6318 PR tree-optimization/27781
6319 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6320 * ipa-pure-const.c (target.h): Include.
6321 (analyze_function): Do not analyze functions that do not
6324 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6327 * tree-dfa.c (referenced_vars_dup_list): Remove.
6328 (find_referenced_vars): Remove assert.
6329 (referenced_var_check_and_insert): Replace dup list with assert.
6330 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6331 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6333 2006-06-15 Richard Guenther <rguenther@suse.de>
6335 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6336 extra unused identifiers if not dumping.
6337 (create_variable_info_for): Likewise.
6339 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6341 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6342 (derive_constant_upper_bound): Derive more precise upper bound in
6343 common cases. Return type changed to double_int.
6344 (record_estimate): Reflect the changed return type of
6345 derive_constant_upper_bound.
6346 * double-int.c (double_int_zext, double_int_sext): Fix.
6348 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6350 * configure.ac (CFLAGS): Get them from the toplevel or from the
6351 configure invocation.
6352 * configure: Regenerate.
6353 * Makefile.in (CFLAGS): Substitute value provided by configure.
6355 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6358 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6359 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6360 rather than calling add_stmt on it.
6361 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6363 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6366 * reload1.c (reload): Remove registers returned by update_eliminables
6367 from used_spill_regs.
6369 2006-06-13 DJ Delorie <dj@redhat.com>
6371 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6373 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6375 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6376 html__strip_dir, html__mkdir_p. Enhance install-html target.
6377 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6378 * configure: Regenerate.
6380 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6382 * fold-const.c (fold_cond_expr_with_comparison): Check for
6383 Objective-C++ as language in deciding COND_EXPR transformation.
6385 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6388 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6389 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6390 * config/sh/lib1funcs.h (SL, SL1): Define.
6391 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6392 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6393 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6394 (OBJS_Os_4_200): New variable.
6395 ($(T)libgcc-Os-4-200.a): Use it.
6396 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6397 when dividing 1 and/or by 0.
6399 2006-06-13 Roger Sayle <roger@eyesopen.com>
6401 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6402 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6403 * configure: Regenerate.
6405 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6407 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6408 for real instruction.
6410 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6413 * haifa-sched.c (check_cfg): Handle special case.
6415 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6418 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6419 Add debug_info parameter. Chain the vars to the BLOCK instead
6420 of the BIND_EXPR if debug info are requested for them.
6421 (pop_gimplify_context): Adjust for above change.
6422 (gimple_add_tmp_var): Likewise.
6423 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6425 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6426 (convert_local_reference): Likewise.
6427 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6428 (finalize_nesting_tree_1): Request that debug info be emitted
6429 for debug_var_chain.
6431 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6433 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6434 for PR target/27863.
6436 2006-06-13 Richard Guenther <rguenther@suse.de>
6439 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6441 2006-06-13 Richard Guenther <rguenther@suse.de>
6443 PR tree-optimization/27830
6444 * tree-inline.c (copy_body_r): For copying the operand
6445 of an ADDR_EXPR make sure to fold &* afterwards.
6447 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6449 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6450 lvalues in the fb_none case with side-effects.
6452 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6454 * tree-flow.h: Remove the prototype for
6455 compute_phi_arg_on_exit.
6456 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6457 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6460 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6462 * builtins.c (expand_builtin_return_addr): Only use
6463 frame_pointer_rtx when count == 0 and we are expanding
6464 __builtin_return_address.
6466 2006-06-12 Fred Fish <fnf@specifix.com>
6468 * config/mips/mips.c (mips_file_start): Create special section
6469 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6471 2006-06-11 Eric Christopher <echristo@apple.com>
6474 * stor-layout.c (place_field): Remove check for
6475 remaining_in_alignment when aligning at the end of a run.
6477 2006-06-11 Eric Christopher <echristo@apple.com>
6480 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6483 2006-06-11 Roger Sayle <roger@eyesopen.com>
6486 Revert incorrect fix for PR target/27158
6487 2006-05-08 Roger Sayle <roger@eyesopen.com>
6488 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6489 of a reg_equiv_constant if the result is a legitimate constant.
6491 2006-06-11 Roger Sayle <roger@eyesopen.com>
6494 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6495 extract a CONST_VECTOR element and interpret it as an integer.
6496 (vspltis_constant): Use const_vector_elt_as_int instead of the
6497 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6498 * config/rs6000/predicates.md (easy_vector_const): Consider
6499 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6501 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6504 * stor-layout.c (update_alignment_for_field): Don't add extra
6505 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6508 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6510 * config/mips/t-rtems: Add EL/EB multilib variants.
6512 2006-06-09 Mike Stump <mrs@apple.com>
6514 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6516 2006-06-09 David Daney <ddaney@avtrex.com>
6518 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6520 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6522 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6524 2006-06-09 Richard Guenther <rguenther@suse.de>
6526 PR tree-optimization/26998
6527 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6528 of signed types, only TYPE_MIN_VALUE is special, but for both,
6529 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6530 in this case, as is -fwrapv.
6532 2006-06-08 Mike Stump <mrs@apple.com>
6535 * config/darwin.c (darwin_asm_output_anchor): Disable
6536 -fsection-anchors on darwin for now.
6537 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6538 * rs6000/rs6000.c (optimization_options): Likewise.
6540 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6543 * config/i386/i386.c (classify_argument): Skip fields with invalid
6546 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6548 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6549 (cse_insn): Likewise for the stack_pointer_rtx.
6551 2006-06-08 Roger Sayle <roger@eyesopen.com>
6553 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6554 conditions from floating point comparisons.
6556 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6559 * expmed.c (struct alg_hash_entry): Fix type of field T
6560 to match synth_mult argument.
6561 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6563 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6566 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6569 2006-06-08 Richard Guenther <rguenther@suse.de>
6572 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6573 only, if overflow is defined and not trapping.
6574 (negate_expr): Likewise.
6576 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6578 PR tree-optimization/27872
6579 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6580 flag on the new exit edge of the unrolled loop.
6582 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6584 PR rtl-optimization/26449
6585 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6587 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6590 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6591 referenced_variables with matching DECL_UID's.
6592 (find_referenced_vars): Make sure duplicate list is empty to start.
6593 (referenced_var_p): Remove.
6594 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6595 Check if var is in the list, and add if needed. Update the duplicate
6596 list if a different var is in the list with the same DECL_UID.
6597 (add_referenced_var): Call routine to check and insert.
6598 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6599 * tree-flow.h (referenced_vars_dup_list): External declaration.
6601 2006-06-07 Fred Fish <fnf@specifix.com>
6603 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6606 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6609 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6610 the imaginary and real parts of a clobbered register.
6611 Emit insn to set the imaginary part.
6613 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6615 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6616 in lieu of unwind-dw2-fde.c.
6618 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6620 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6622 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6625 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6626 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6627 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6628 V4SImode temporaries and operations instead.
6630 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6632 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6635 2006-06-06 Mike Stump <mrs@apple.com>
6637 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6638 installing during build.
6640 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6642 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6644 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6645 * config/ia64/ia64.c (params.h): New header.
6646 (ia64_optimization_options): New function to adjust parameters.
6647 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6648 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6649 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6651 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6653 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6655 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6658 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6660 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6661 Victor Kaplansky <victork@il.ibm.com>
6663 PR tree-optimization/26360
6664 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6667 2006-06-04 Roger Sayle <roger@eyesopen.com>
6668 Andrew Pinski <pinskia@physics.uc.edu>
6671 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6672 for LABEL_DECL before calling DECL_WEAK.
6675 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6676 LABEL_DECL and PARM_DECL.
6678 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6682 * c-decl.c (grokdeclarator): Disallow variably modified types at
6683 file scope. Avoid marking shared array type of constant size as
6686 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6689 * c-common.c (fold_offsetof_1): Handle static members.
6691 2006-06-04 Eric Christopher <echristo@apple.com>
6693 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6694 (debug_rli): Output value for remaining_in_alignment.
6695 (update_alignment_for_field): Unconditionalize
6696 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6697 extra alignment code.
6698 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6699 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6700 * tree.h (record_layout_info_s): Remove prev_packed.
6701 * doc/extend.texi (ms_struct): Add documentation of format.
6703 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6705 * tree.h: Declare folding_initializer.
6706 * builtins.c (fold_builtin_constant_p): Give definite answer
6707 if folding inside an initializer.
6708 * fold-const.c: Define folding_initializer.
6709 (START_FOLD_INIT): Save and then set folding_initializer.
6710 (END_FOLD_INIT): Restore folding_initializer.
6712 2006-06-04 Richard Guenther <rguenther@suse.de>
6714 PR tree-optimization/27039
6715 * fold-const.c (fold_comparison): Handle pointer comparison
6716 again for all comparison codes. Compare offsets in signed
6718 (fold_binary): Move code from here.
6720 2006-06-03 Roger Sayle <roger@eyesopen.com>
6723 * config/i386/i386.c (construct_container): Split static issued_error
6724 flag into issued_sse_arg_error, issued_sse_ret_error and
6725 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6726 requires the use of x87 registers and the user explicitly
6727 specified the -mno-80387 command line option.
6729 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6731 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6732 HAVE_DECL_SIGALTSTACK.
6734 (segv_handler): Use MC_FLD.
6735 * configure.ac: Check for a sigaltstack declaration.
6736 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6737 * configure: Regenerate.
6738 * config.in: Regenerate.
6740 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6743 * Makefile.in (stmp-fixinc): Fix typo.
6745 2006-06-02 Roger Sayle <roger@eyesopen.com>
6747 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6748 are type correct. Clean-up.
6749 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6750 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6752 2006-06-01 DJ Delorie <dj@redhat.com>
6754 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6755 shift, as we've disabled the "switch" insn that needs it.
6757 2006-06-01 Per Bothner <bothner@bothner.com>
6759 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6760 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6761 * c-ppoutput.c (cb_define): Don't increment line 0.
6763 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6765 * doc/invoke.texi: Add cpu_type power6.
6766 * config.gcc: Add cpu_type power6.
6767 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6768 to power5+ with Altivec.
6769 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6770 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6772 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6774 * config/avr/avr.h (SET_ASM_OP): Define.
6776 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6778 * config/bfin/bfin.c: Fix comment typos.
6780 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6783 * doc/install.texi: Document --enable-bootstrap and
6784 --disable-bootstrap.
6786 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6788 * doc/install.texi: Document that InfoZIP can replace jar.
6790 2006-05-31 Roger Sayle <roger@eyesopen.com>
6792 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6793 isn't available, directly generate the simpler x87 patterns without
6794 the (use (const_int 0)).
6795 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6796 implementation isn't available.
6797 (*negdf2_1): Likewise.
6798 (*negxf2_1): XF mode negation is always done using the x87.
6799 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6801 2006-05-31 Roger Sayle <roger@eyesopen.com>
6803 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6804 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6806 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6808 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6810 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6811 * config/bfin/bfin.c (basic-block.h): Include.
6812 (struct machine_function): New.
6813 (bfin_init_machine_status): New.
6814 (override_options): Initialize init_machine_status.
6815 (bfin_hardware_loop): New.
6816 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6817 (DEF_VEC_P (loop_info)): New.
6818 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6819 (struct loop_info): New.
6820 (loop_info): New typedef.
6821 (struct loop_work): New.
6822 (loop_work): New typedef.
6823 (DEF_VEC_O (loop_work)): New.
6824 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6825 (bfin_dump_loops): New.
6826 (bfin_bb_in_loop): New.
6827 (bfin_scan_loop): New.
6828 (bfin_optimize_loop): New.
6829 (bfin_reorg_loops): New.
6830 (bfin_reorg): Use bfin_reorg_loops.
6831 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6833 (I_REGNO_P): Simplify.
6834 (DP_REGNO_P, DPREG_P): New macros.
6835 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6836 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6837 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6838 Add LT_REGS, LC_REGS, LB_REGS.
6839 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6841 (REGNO_REG_CLASS): Deal with loop registers.
6842 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6844 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6845 New constants for loop registers.
6846 (UNSPEC_LSETUP_END): New.
6847 (seq_insns): New define_attr. Set it for appropriate insns.
6848 (movsi_insn): Add alternatives for move from/to
6849 loop count registers.
6850 (doloop_end): New define_expand.
6851 (loop_end): New define_insn.
6852 (define_split for bad doloop_end): New.
6853 (lsetup_with_autoinit): New define_insn.
6854 (lsetup_without_autoinit): New define_insn.
6855 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6856 * config/bfin/predicates.md (lc_register_operand): New.
6857 (lt_register_operand): New.
6858 (lb_register_operand): New.
6859 (nondp_register_operand): New.
6860 (nondp_reg_or_memory_operand): New.
6861 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6863 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6865 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6866 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6868 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6870 * Makefile.in (CATALOGS): Add po/ prefix.
6871 * configure: Regenerated.
6873 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6876 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6877 a shift operand before calling shift_op. Avoid redundant call of
6880 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6881 DJ Delorie <dj@redhat.com>
6883 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6884 we're inserting is a singlt-bit constant.
6886 2006-05-30 Roger Sayle <roger@eyesopen.com>
6888 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6889 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6891 2006-05-30 Roger Sayle <roger@eyesopen.com>
6893 PR tree-optimization/23452
6894 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6895 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6896 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6897 complex values and with -ffast-math for FP complex values.
6899 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6901 * c-common.h: Remove the prototype for yyparse.
6902 * rtl.h: Remove the prototype for init_loop.
6904 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6906 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6909 2006-05-30 Roger Sayle <roger@eyesopen.com>
6911 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6913 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6914 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6916 2006-05-30 Dirk Mueller <dmueller@suse.de>
6919 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6920 for CONSTANT_CLASS_P expresisons.
6922 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6925 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6927 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6929 PR tree-optimization/27779
6930 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6931 initial_condition instead of CHREC_LEFT.
6933 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6935 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6936 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6937 Make prototypes ISO C90.
6939 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6940 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6942 * see.c (see_analyze_one_def): Correct check.
6943 (see_get_extension_data): Check if extension is parallel.
6944 (see_get_extension_reg): Likewise.
6946 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6949 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6950 into register for (code == GTU).
6952 2006-05-29 Roger Sayle <roger@eyesopen.com>
6954 PR tree-optimization/24964
6955 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6956 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6957 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6958 abs(x)*abs(x) as x*x for scalar floating point modes.
6960 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6963 * lambda-code.c (perfect_nestify): Don't copy statements
6964 in the inner loop: move them to the inner loop header.
6966 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6969 * c-tree.texi: Document OpenMP directives and clauses.
6971 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6973 * varasm.c (globalize_decl): Fix indentation.
6975 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6978 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6979 pass_fre, pass_store_ccp, pass_copy_prop,
6980 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6981 pass_return_slot, pass_object_size, pass_lim,
6982 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6983 pass_loop_prefetch and pass_stdarg.
6985 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6987 * config/bfin/bfin.opt (mfdpic): New option.
6988 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6989 (EXTRA_MULTILIB_PARTS): Likewise.
6990 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6991 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6993 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6994 (CRT_CALL_STATIC_FUNCTION): New.
6995 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6997 (CRT_CALL_STATIC_FUNCTION): New.
6998 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7000 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7001 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7002 (initialize_trampoline): Changed to handle FD-PIC code generation.
7003 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7004 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7005 (override_options): Disallow -mid-shared-library -mfdpic combination.
7006 Can't do unaligned ops if FD-PIC.
7007 Turn off flag_pic if trying to generate non-id-shared-library
7008 non-fdpic code, since it's not supported.
7009 (bfin_assemble_integer): New function.
7010 (TARGET_ASM_INTEGER): Define.
7011 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7013 * config/bfin/crtn.s: Restore them.
7014 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7016 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7017 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7018 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7019 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7020 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7022 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7023 FDPIC_REGS and FDPIC_FPTR_REGS.
7024 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7025 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7026 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7027 (load_funcdescsi): New pattern.
7028 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7029 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7030 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7032 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7034 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7037 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7039 * tree-flow.h: Remove the prototype for add_type_alias.
7040 * tree-ssa-alias.c (add_type_alias): Remove.
7042 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7044 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7045 config/fr30/fr30.md, config/i386/i386-interix.h,
7046 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7047 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7048 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7049 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7050 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7051 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7052 Follow spelling conventions.
7053 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7054 Follow spelling conventions.
7056 2006-05-27 Richard Guenther <rguenther@suse.de>
7059 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7060 to produce a constant of value 1 of generic type.
7062 2006-05-27 Dirk Mueller <dmueller@suse.de>
7064 * cgraphunit.c (decide_is_function_needed): Fix wrong
7067 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7069 PR rtl-optimization/27661
7070 * reload.c (find_reloads): When reloading a VOIDmode constant
7071 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7072 use Pmode as mode of the reload register.
7074 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7076 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7077 is enabled at -O and above.
7079 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7082 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7085 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7088 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7089 for anonymous variables explicitly declared by front ends.
7091 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7093 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7094 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7095 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7096 ref-all pointers, run a finalization pass for them.
7097 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7098 (finalize_ref_all_pointers): New function.
7099 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7100 regular pointer type to a ref-all pointer type.
7101 (get_tmt_for): Return the special memory tag for ref-all pointers.
7103 2006-05-25 Richard Guenther <rguenther@suse.de>
7106 * fold-const.c (fold_binary): Do not look at the stripped
7107 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7109 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7111 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7112 for LT and GT if the computed range is effectively empty.
7114 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7117 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7118 mips_quad_format formats instead of ieee_single_format,
7119 ieee_double_format and ieee_quad_format formats, respectively.
7121 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7123 PR tree-optimization/27639
7124 PR tree-optimization/26719
7125 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7126 call to scev_probably_wraps_p.
7127 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7128 used_in_pointer_arithmetic_p, convert_step): Removed.
7129 (nowrap_type_p): New function.
7130 (scev_probably_wraps_p): Rewritten.
7131 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7132 chrec_convert if chrec_convert_aggressive might have been used.
7133 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7134 scev_direction): New functions.
7135 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7136 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7137 instead of convert_step.
7138 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7139 (convert_step): Declaration removed.
7140 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7142 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7144 * df-core.c: Added to header comments.
7145 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7146 df_ur_bb_info, df_urec_bb_info): Added comments.
7147 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7148 urec, ri problems): Fixed header comments.
7149 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7150 code from df_rd_transfer_function.
7152 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7154 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7155 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7156 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7158 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7160 * expr.c (undefined_operand_subword_p): New.
7161 (emit_move_multi_word): Do not generate move from undefined bits
7162 of a paradoxical subreg.
7164 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7166 PR rtl-optimization/27736
7167 * combine.c (replaced_rhs_value): New variable.
7168 (combine_instructions): Set it.
7169 (distribute_notes): When distributing a note in replaced_rhs_insn,
7170 check whether the value was used in replaced_rhs_value.
7172 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7175 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7176 add_referenced_var instead of add_referenced_tmp_var.
7177 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7178 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7180 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7181 tree_optimize_tail_calls_1): Use add_referenced_var.
7182 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7183 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7184 Use add_referenced_var.
7185 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7186 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7187 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7188 Use add_referenced_var.
7189 * tree-dfa.c (struct walk_state): Remove.
7190 (find_referenced_vars): Remove walk state and vars_found hash table.
7191 (make_rename_temp): Use add_referenced_var.
7192 (find_vars_r): Pass less parameters to add_referenced_var.
7193 (referenced_var_p): New. Is var in referenced_var hash table.
7194 (referenced_var_insert): Assert var isn't already in hash table.
7195 (add_referenced_var): Don't need walk_state parameter. Add var if it
7196 isn't already in the hash table.
7197 (add_referenced_tmp_var): Remove.
7198 (find_new_referenced_vars_1): Use add_referenced_var.
7199 * tree-ssa-pre.c (create_expression_by_pieces,
7200 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7201 Use add_referenced_var.
7202 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7203 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7204 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7206 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7207 vect_create_data_ref_ptr, vect_create_destination_var,
7208 vect_init_vector, vect_build_loop_niters,
7209 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7210 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7211 Use add_referenced_var.
7212 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7213 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7214 (add_referenced_var): Add prototype.
7215 * tree-ssa-structalias.c (get_constraint_for,
7216 intra_create_variable_infos): Use add_referenced_var.
7218 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7220 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7221 big-endian paradoxical subregs.
7222 * var-tracking.c (struct micro_operation_def): Document that,
7223 for modify micro operations, insn is the subsequent instruction.
7224 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7225 (var_reg_set, var_mem_set): ... new functions.
7226 (add_stores): Record subsequent insn.
7227 (compute_bb_dataflow): Use new functions for MO_USE.
7228 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7229 notes after the insn, and modify notes before the insn known
7230 to be the subsequent one.
7231 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7233 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7236 * config/i386/i386.c (ix86_expand_builtin): Use
7237 gen_sse3_monitor64 for TARGET_64BIT.
7239 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7241 PR rtl-optimization/26375
7242 PR rtl-optimization/26855
7243 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7245 (df_ru_bb_local_compute): Reversed statements and removed bogus
7246 comment explaining why they should be in wrong order.
7247 (df_ru_dump, df_rd_dump): Enhanced debug info.
7248 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7250 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7251 reaching uses and fixed space problem.
7253 2006-05-23 Jan Hubicka <jh@suse.cz>
7255 * cgraphunit.c (decide_is_function_needed): Also nested functions
7256 and functions declared inline can be optimized out at -O0.
7258 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7260 * doc/install.texi (Configuration): Remove reference to CrossGCC
7264 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7267 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7268 ix86_compare_emitted is non-NULL.
7270 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7273 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7276 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7278 PR rtl-optimization/25514
7279 * combine.c (replaced_rhs_insn): New variable.
7280 (combine_instructions): Set replaced_rhs_insn when trying to replace
7281 a SET_SRC with a REG_EQUAL note.
7282 (distribute_notes): Use replaced_rhs_insn when determining the live
7283 range of a REG_DEAD register.
7285 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7286 Anatoly Sokolov <aesok@post.ru>
7288 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7289 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7290 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7291 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7292 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7293 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7294 at90usb647, at90usb1286 and at90usb1287 devices.
7295 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7296 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7298 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7300 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7302 2006-05-22 Richard Guenther <rguenther@suse.de>
7305 2006-01-31 Richard Guenther <rguenther@suse.de>
7306 Paolo Bonzini <bonzini@gnu.org>
7308 * doc/install.texi (--disable-libgcc-math): Document.
7310 2006-05-22 Richard Guenther <rguenther@suse.de>
7313 2006-01-31 Richard Guenther <rguenther@suse.de>
7315 * doc/invoke.texi (-msselibm): Document.
7316 * target.h (expand_library_builtin): New target hook.
7317 * builtins.c (expand_builtin): Use expand_library_builtin.
7318 (default_expand_library_builtin): New function.
7319 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7320 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7321 (link_gcc_math_spec): Declare.
7322 (static_specs): Add link_gcc_math_spec.
7323 * expr.h (default_expand_library_builtin): Declare.
7324 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7325 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7326 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7327 * config/i386/i386.opt (msselibm): New target option.
7328 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7329 (ix86_init_sse_abi_builtins): New function.
7330 (ix86_expand_library_builtin): Likewise.
7331 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7332 (override_options): Handle error conditions wrt -msselibm.
7333 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7334 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7335 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7338 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7341 * c-common.c (self_promoting_args_p): Skip erroneous args.
7344 * c-decl.c (finish_struct): Skip erroneous fields.
7346 2006-05-22 Nick Clifton <nickc@redhat.com>
7348 * config/cris/cris.opt (march): Remove VarExists attribute.
7349 (max-stackframe=): Likewise.
7351 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7353 * doc/rtl.texi: Fix a typo.
7354 * see.c: Fix comment typos.
7356 * tree-ssa-structalias.h (alias_info): Remove num_references.
7358 2006-05-21 Mike Stump <mrs@apple.com>
7360 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7362 (darwin_pragma_options): Use BAD instead.
7363 (darwin_pragma_unused): Likewise.
7364 (darwin_pragma_ms_struct): Likewise.
7366 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7368 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7370 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7372 PR rtl-optimization/27671
7373 * simplify-rtx.c (simplify_relational_operation_1): Fix
7374 simplifications of (eq/ne (xor x y) y) and
7375 (eq/ne (xor x y) x).
7377 PR tree-optimization/26622.
7378 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7381 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7383 * tree-cfg.c: Prune whitespace.
7384 (debug_tree_cfg): Point to correct header containing the
7387 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7390 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7392 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7395 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7396 or sorry count is non zero.
7398 2006-05-20 Andreas Schwab <schwab@suse.de>
7400 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7402 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7403 Kenneth Zadeck <zadeck@naturalbridge.com>
7405 PR rtl-optimization/26855
7407 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7409 (df_scan_alloc): Added code to properly handle multiword hard
7410 registers and add all_blocks parameter.
7411 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7412 code to properly handle multiword hard registers.
7413 (df_rescan_blocks): Added code to remove deleted blocks from
7415 (df_ref_create_structure, df_ref_record): Added code to properly
7417 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7418 and set DF_REF_PARTIAL.
7419 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7420 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7421 (df_scan_add_problem): Added flags parameter.
7422 (df_ref_create_structure): Changed switching structure.
7423 (df_bb_refs_record): Fixed case where duplicate artificial refs
7424 were created. Changed location of flags.
7425 (df_record_entry_block_defs): Added code to make stack pointer
7426 live in entry block. Refined cases where frame pointer is needed.
7427 Changed location of flags.
7428 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7429 (df_set_state): Removed function.
7430 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7431 df_insn_create_insn_record, df_insn_refs_delete,
7432 df_ref_create_structure): Formatting changes.
7433 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7434 df_delete_basic_block): New function.
7435 (df_init): Changed location of flags.
7436 (df_add_problem): Added flags parameter and the way flags are
7438 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7439 debug_df_chain): Improved debugging output.
7440 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7441 (df_refs_chain_dump): Removed df parameter.
7442 (df_iterative_dataflow): Added consistency check.
7443 (df_prune_to_subcfg): Made public.
7444 (df_analyze_problem): Added blocks_to_init parameter and made
7446 (df_ref_record, df_bb_refs_record, df_mark_reg,
7447 df_record_exit_block_uses): Whitespace changes.
7448 (df_dump): Whitespace changes.
7449 * df.h: Some reordering to remove forward references.
7450 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7451 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7452 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7453 (dataflow.flags): New field.
7454 (df.flag): Deleted field.
7455 (df_alloc_function): Added additional bitmap parameter.
7456 (df_dependent_problem_function): New type.
7457 (df_problem.changeable_flags): New field.
7458 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7459 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7460 (df_mw_hardreg): New struct.
7461 (DF_INSN_UID_MWS): New macro.
7462 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7464 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7465 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7466 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7467 (df_set_state): Removed function.
7468 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7469 * df-problems.c (df_chain_dump): Removed df parameter.
7470 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7471 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7473 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7474 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7475 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7476 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7477 DF_REF_MUST_CLOBBER cases.
7478 (df_ru_bb_local_compute_process_def,
7479 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7480 df_lr_bb_local_compute, df_ur_bb_local_compute,
7481 df_chain_create_bb): Made subreg aware.
7482 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7483 df_lr_bb_local_compute, df_lr_bb_local_compute,
7484 df_chain_create_bb): Cleanup to use proper macros.
7485 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7486 code to fixup bitvectors.
7487 (df_ri_alloc): Cleared lifetime.
7488 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7489 df_create_unused_note): New function.
7490 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7491 REG_DEAD and REG_UNUSED notes as well as register information.
7492 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7493 df_chains_dump): Fixed crash if problem was never run.
7494 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7495 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7496 df_ri_add_problem): Processes flags in uniform manner.
7497 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7498 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7499 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7500 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7501 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7502 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7503 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7504 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7505 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7506 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7507 * see.c (see_initialize_data): Ditto.
7508 * final.c (rest_of_clean_state) Added regstack_completed.
7509 * rtl.h (regstack_completed): Ditto.
7510 * reg-stack.c (regstack_completed): Ditto.
7512 2006-05-19 Mike Stump <mrs@apple.com>
7514 * c-tree.h (default_conversion): Remove.
7515 * c-common.h (default_conversion): Add.
7517 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7519 * tree-vrp.c (valid_value_p): New function.
7520 (adjust_range_with_scev): Fail if the value of bound is not
7523 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7525 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7526 (mips_fallback_frame_state): Use syscall numbers to determine
7527 the appropriate li instruction for the current ABI. Only use
7528 __NR_sigreturn for o32.
7530 2006-05-19 Nicolas Setton <setton@adacore.com>
7532 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7533 * langhooks.c (lhd_dwarf_name): New function.
7534 * langhooks-def.h (lhd_dwarf_name): Declare.
7535 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7536 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7537 * ada/misc.c (gnat_dwarf_name): New function.
7538 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7540 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7542 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7544 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7545 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7546 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7547 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7548 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7549 determine the size of Wtype, etc.
7550 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7551 (swfloatfuncs): New variable.
7552 (dwfloatfuncs): Likewise.
7553 (lib2funcs): Remove floating-point conversion functions from
7554 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7555 the set of conversion routines needed. Allow entries to specify
7556 an object name, filename and word size. Update users accordingly.
7557 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7558 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7562 2006-02-08 Roger Sayle <roger@eyesopen.com>
7565 * config/fixtfdi.c: New libgcc source file.
7566 * config/fixunstfdi.c: New source file.
7567 * config/floatditf.c: New source file.
7568 * config/floatunditf.c: New souce file.
7569 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7570 files above instead of config/mips/_tilib.c.
7571 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7573 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7575 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7576 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7578 2006-05-18 Mike Stump <mrs@apple.com>
7580 Fix up vla, vm and [*] sematics.
7586 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7587 (c_vla_unspec_p): Add.
7588 (c_vla_type_p): Add.
7589 * c-decl.c (struct c_scope): Add had_vla_unspec.
7590 (build_array_declarator): Add support for [*].
7591 (grokdeclarator): Likewise.
7592 (grokparms): Likewise.
7593 (get_parm_info): Likewise.
7594 * c-objc-common.c (c_vla_unspec_p): Likewise.
7595 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7596 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7597 typeof when argument is a variably modified type not inside sizeof or alignof.
7598 (c_parser_direct_declarator_inner): Propagate errors.
7599 (c_parser_sizeof_expression): Add support for [*].
7600 (c_parser_parms_declarator): Initialize had_vla_unspec.
7601 (c_parser_parms_list_declarator): Likewise.
7602 * c-typeck.c (c_vla_type_p): Add.
7603 (composite_type): Add support for vla compositing.
7604 (comptypes_internal): Add support for vla compatibility.
7605 (c_expr_sizeof_expr): Evaluate vla arguments.
7606 * tree.c (variably_modified_type_p): Update comment for [*].
7608 2006-05-18 Michael Matz <matz@suse.de>
7611 * config.host: Make assignments to host_xmake_file cumulative.
7612 * config.host (*-darwin*): Test $host, not $target.
7614 2006-05-12 Stuart Hastings <stuart@apple.com>
7616 * config/i386/i386.opt (-mstackrealign): New flag.
7617 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7618 (ix86_handle_cconv_attribute): Emit error when
7619 force_align_arg_pointer attribute collides with too many regparms.
7620 (ix86_function_regparm): Limit regparms when used with
7621 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7622 Support stack-realigning prologue in non-main functions. Emit
7623 warning for nested functions under -mstackrealign, emit error for
7624 nested functions with force_align_arg_pointer attribute.
7625 * doc/extend.texi (force_align_arg_pointer): Document it.
7626 * doc/invoke.texi (-mstackrealign): Document it.
7628 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7630 PR rtl-optimization/27477
7631 * combine.c (try_combine): Don't split a parallel consisting
7632 of two sets into two individual sets if both sets reference
7635 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7637 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7638 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7640 * doc/options.texi (VarExists): Updated.
7642 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7644 * unwind-dw2.c: Add declarations for uw_update_context and
7646 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7647 detected, advance frame state and context once to skip over stub.
7649 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7653 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7654 Call rewrite_into_loop_closed_ssa only when something changed.
7655 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7656 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7657 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7658 Test for perfect_nest_p here. Fix formating.
7659 (replace_uses_equiv_to_x_with_y): Fix formating.
7660 (stmt_uses_op): Removed.
7661 (can_convert_to_perfect_nest): Removed loopivs parameter.
7662 Complete the test by checking the scalar dependences.
7663 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7666 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7669 From Dan Kegel <dank@kegel.com>:
7670 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7672 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7674 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7675 if the element type is variably modified without recursing.
7677 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7680 * tree-loop-linear.c (try_interchange_loops): Test for
7681 no data dependences.
7683 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7685 PR tree-optimization/27548
7686 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7687 range of ssa names that appear on abnormal edges.
7688 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7689 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7691 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7694 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7696 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7699 * tree.h (OMP_PARALLEL_COMBINED): Define.
7700 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7701 (new_omp_context): Add is_combined_parallel argument.
7702 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7703 new_omp_context caller.
7704 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7705 Adjust gimplify_scan_omp_clauses callers.
7706 (omp_is_private): Issue errors if iteration variable is firstprivate
7707 or reduction in the current context.
7708 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7709 on combined parallel workshare constructs.
7711 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7713 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7714 (gcc-options.o): New rule.
7716 * optc-gen.awk: Protect variables for gcc-options.o with
7717 #ifdef GCC_DRIVER/#endif.
7719 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7721 Fix PR tree-optimization/27373
7722 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7723 (forward_propagate_addr_expr): Update call.
7725 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7727 * doc/options.texi: Move the Negative option.
7729 2006-05-16 Richard Guenther <rguenther@suse.de>
7731 PR tree-optimization/22303
7732 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7734 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7735 ccp_fold did not simplify the statement.
7737 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7740 * Makefile.in (GCC_OBJS): New.
7741 (OBJS-common): Add opts-common.o.
7742 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7743 (cpp$(exeext)): Likewise.
7744 (gcc.o): Also depend on opts.h.
7745 (opts-common.o): New.
7747 * common.opt (gcoff): Add Negative(gdwarf-2).
7748 (gdwarf-2): Add Negative(gstabs).
7749 (gstabs): Add Negative(gstabs+).
7750 (gstabs+): Add Negative(gvms).
7751 (gvms): Add Negative(gxcoff).
7752 (gxcoff): Add Negative(gxcoff+).
7753 (gxcoff+): Add Negative(gcoff).
7754 * config/i386/i386.opt (m32): Add Negative(m64).
7755 (m64): Add Negative(m32).
7757 * doc/options.texi: Document the Negative option.
7759 * gcc.c: Include "opts.h".
7760 (main): Call prune_options after expandargv.
7762 * optc-gen.awk: Generate common declarations for all flag
7763 variables in options.c. Output the neg_index field.
7765 * opts.c (find_opt): Moved to ...
7766 * opts-common.c: Here. New file.
7768 * opts.h (cl_option): Add a neg_index field.
7770 (prune_options): Likewise.
7772 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7775 * omp-low.c (expand_omp_parallel): Don't assert
7776 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7777 instead search for it.
7780 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7783 2006-05-16 Andreas Schwab <schwab@suse.de>
7785 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7788 2006-05-15 Roger Sayle <roger@eyesopen.com>
7791 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7792 integer constants other than zero are only legitimate on TARGET_64BIT.
7793 <CONST_VECTOR> Only zero vectors are legitimate.
7794 (ix86_cannot_force_const_mem): Integral and vector constants can
7795 always be put in the constant pool.
7797 2006-05-16 DJ Delorie <dj@redhat.com>
7799 * crtstuff.c (__dso_handle): Set section from
7800 TARGET_LBIGCC_SDATA_SECTION if defined.
7801 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7802 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7804 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7807 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7810 2006-05-16 Ben Elliston <bje@au.ibm.com>
7812 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7814 2006-05-15 Per Bothner <per@bothner.com>
7816 * tree.c: (last_annotated_node): Use source_locus typedef.
7817 This permits bootstrapping with --enable-mapped-location.
7819 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7821 PR tree-optimization/26830
7822 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7823 (info_for_ssa_name, current_info_for_ssa_name_age,
7824 blocks_to_update): New variables.
7825 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7826 (clear_ssa_name_info, initialize_flags_in_bb,
7827 mark_block_for_update): New functions.
7828 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7829 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7830 prepare_def_site_for): Use mark_block_for_update.
7831 (mark_def_interesting): Assert that the processed block is marked in
7832 blocks_to_update. Do not take blocks argument.
7833 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7835 (rewrite_update_init_block, rewrite_update_stmt): Only process
7836 blocks with statements to rewrite.
7837 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7838 (update_ssa): Initialize and free blocks_to_update. Do not
7839 clear flags on statements. Do not use blocks bitmap.
7840 * tree.h (SSA_NAME_AUX): Removed.
7841 (struct tree_ssa_name): Removed aux field.
7842 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7844 2006-05-15 Richard Guenther <rguenther@suse.de>
7846 PR tree-optimization/27603
7847 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7848 Do computations in original type.
7850 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7852 * see.c: Code style changes such as redundant paranthesis,
7853 redundant intialization of local variables etc.
7854 (see_main): Declared now as static.
7855 * doc/invoke.texi: Update that -fsee is not enabled by
7858 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7860 * omp-low.c (check_omp_nesting_restrictions): New function.
7861 (scan_omp_1): Call it.
7864 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7865 construct, return *VAR.
7867 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7869 PR rtl-optimization/27406
7870 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7873 2006-05-14 Roger Sayle <roger@eyesopen.com>
7875 PR rtl-optimization/27538
7876 * combine.c (expand_compound_operation): Call gen_lowpart
7877 before calling simplify_shift_const.
7879 2006-05-14 Roger Sayle <roger@eyesopen.com>
7881 PR rtl-optimization/22563
7882 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7883 a fixed width bitfield, always force the intermediates into psuedos.
7885 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7888 * mkconfig.sh: Use operator = instead of == for test.
7890 2006-05-13 Nick Clifton <nickc@redhat.com>
7892 * dwarf2out.c (dbx_reg_number): Check return value from
7893 LEAF_REG_REMAP and only use it if it is valid.
7894 (multiple_reg_loc_descriptor): Likewise.
7896 2006-05-13 Richard Guenther <rguenther@suse.de>
7898 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7901 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7903 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7904 information attached to non-INSNs such as NOTEs.
7905 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7907 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7909 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7911 * config/s390/s390.md: Adjust comment describing On constraint.
7913 2006-05-11 Jan Hubicka <jh@suse.cz>
7915 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7916 to be output at -O0.
7918 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7921 * fold-const.c (size_binop): Move sanity check for arguments to
7922 the beginning of the function.
7925 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7928 2006-05-11 Richard Guenther <rguenther@suse.de>
7931 * fold-const.c (fold_unary): Handle intermediate conversion
7932 to a pointer type like intermediate conversion to an integer
7933 type in folding of (T1)(T2)var to var.
7934 Match the code to the comment in the final conversion for
7935 (T1)(T2)var to (T1)var regarding to type precision. Rather
7936 than disallow T1 being of pointer type, assert that both T1
7937 and var are of pointer type or not. Make sure not to fall
7938 over the frontends lazyness wrt array to pointer decay though.
7940 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7942 * arm.c (arm_struct_value_rtx): Delete.
7943 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7944 (arm_init_cumulative_args): Always initialize nregs to zero.
7946 2006-05-10 Richard Guenther <rguenther@suse.de>
7948 PR tree-optimization/27532
7949 * tree-object-size.c (plus_expr_object_size): Fix typo.
7951 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7954 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7955 ashrdi_const, ashrdi3): Use a scratch register.
7957 2006-05-10 Richard Guenther <rguenther@suse.de>
7959 PR tree-optimization/27302
7960 * fold-const.c (operand_equal_p): For two comparisons,
7961 try comparison of one comparison code swapped if that yields
7964 2006-05-10 Ben Elliston <bje@au.ibm.com>
7966 * tree-pretty-print.c (pretty_print_string): No need to handle
7967 '\0' as a special character.
7969 * tree.h: Include "hashtab.h".
7970 (iterative_hash_expr): Use hashval_t in its prototype.
7971 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7973 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7976 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7977 (hppa*64*-*-hpux11*): Ditto.
7978 (hppa[12]*-*-hpux11*): Ditto.
7980 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7983 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7985 2006-05-09 Michael Matz <matz@suse.de>
7987 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7988 host_extra_gcc_objs and host_xmake_file.
7989 (<*-*-linux*>): Don't overwrite host_xmake_file.
7990 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7991 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7992 (host_detect_local_cpu): Declare.
7993 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7994 * config/i386/i386.c (override_options): Handle -mtune=native
7996 * config/i386/x-i386: New file.
7997 * config/i386/driver-i386.c: New file.
7998 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8001 2006-05-09 Dirk Mueller <dmueller@suse.de>
8002 Richard Guenther <rguenther@suse.de>
8005 * fold-const.c (fold_read_from_constant_string): Relax check
8006 for matching types to matching modes.
8008 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8010 PR rtl-optimization/27335
8011 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8014 2006-05-08 Chao-ying Fu <fu@mips.com>
8015 Richard Sandiford <richard@codesourcery.com>
8017 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8018 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8019 * config/mips/mips.md (UNSPEC_SCC): New constant.
8020 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8021 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8022 (mips_emit_compare): Use it.
8023 (mips_expand_vcondv2sf): New function.
8025 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8027 Fix PR tree-optimization/27093
8028 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8029 renaming when they become not-used_alone.
8031 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8033 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8034 relocation and relocation stubs.
8036 2006-05-08 Eric Christopher <echristo@apple.com>
8038 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8041 2006-05-08 Jan Hubicka <jh@suse.cz>
8044 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8045 unused static functions are needed.
8047 2006-05-08 Roger Sayle <roger@eyesopen.com>
8050 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8051 of a reg_equiv_constant if the result is a legitimate constant.
8053 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8056 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8057 standard 80387 constants, raise the cost to prevent
8058 compress_float_constant() to generate load from memory.
8060 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8062 * config/arm/constraints.md (c): Fix a typo.
8064 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8067 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8070 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8072 (_mm_mwait): Likewise.
8074 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8076 (sse3_monitor): Make it 32bit only.
8077 (sse3_monitor64): New. 64bit monitor.
8079 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8082 * config/i386/i386.c (classify_argument): Skip fields with invalid
8085 2006-05-07 Richard Guenther <rguenther@suse.de>
8087 PR tree-optimization/27409
8088 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8089 Do not try to find zero-sized subvars.
8091 2006-05-07 Richard Guenther <rguenther@suse.de>
8093 PR tree-optimization/27136
8094 * tree-ssa-loop-niter.c (get_val_for): Correct function
8095 comment, assert requirements.
8096 (loop_niter_by_eval): Stop processing if the iterated
8097 value did not simplify.
8099 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8101 * opts.c (flag_see): remove its setting at -O3.
8103 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8105 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8106 * arm/constraints.md: New file.
8107 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8108 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8109 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8110 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8111 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8112 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8113 * arm.md: Include constraints.md.
8114 (thumb_movsi_insn): Use satisfies_constraint_J.
8115 (movhi, movqi): Use satisfies_constraint_I.
8117 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8119 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8120 for atmeg a645 device.
8122 2006-05-06 Richard Guenther <rguenther@suse.de>
8124 PR tree-optimization/27151
8125 * tree-vect-transform.c (vectorizable_condition): Punt on
8126 values that have a different type than the condition.
8128 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8131 * c-parser.c (c_parser_cast_expression): Only insert casts into
8132 hash table if pointer.
8133 * function.c (used_types_insert_helper): Rename from
8135 (used_types_insert): Call used_types_insert_helper.
8136 * function.h (used_types_insert): Accept only one argument.
8138 2006-05-05 David Edelsohn <edesohn@gnu.org>
8140 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8141 scratch with output modifier.
8143 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8146 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8147 with output modifier.
8149 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8152 * config/mips/mips.c (mips_symbolic_address_p): Return true
8153 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8154 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8156 2006-05-04 Richard Guenther <rguenther@suse.de>
8158 PR tree-optimization/14287
8159 PR tree-optimization/14844
8160 PR tree-optimization/19792
8161 PR tree-optimization/21608
8162 PR tree-optimization/27090
8163 * tree-ssa-pre.c (try_combine_conversion): New function.
8164 (compute_avail): After constructing the value-handle
8165 expression, use try_combine_conversion to combine NOP_EXPRs
8166 with previous value-handle expressions and use the result if it
8169 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8171 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8173 2006-05-04 Jan Hubicka <jh@suse.cz>
8176 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8178 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8180 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8181 that this only matches CONST_INTs. All users changed to VOIDmode
8184 * config/bfin/bfin.c: Include "optabs.h".
8185 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8187 (enum bfin_builtins): Add a number of fractional and vector builtins.
8188 (bfin_init_builtins): Likewise.
8189 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8190 (safe_vector_operand, bfin_expand_binop_builtin,
8191 bfin_expand_unop_builtin): New functions.
8192 (bfin_expand_builtin): Handle the new builtins.
8193 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8196 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8199 * Makefile.in (OBJS-common): Add see.o.
8200 (see.o): Add dependencies.
8201 * common.opt (fsee): New flag for the see optimization was added.
8202 * opts.c (flag_see): Initialized.
8203 * passes.c (init_optimization_passes, pass_see): New pass.
8204 * rtl.h (see_main): Declaration as extern.
8205 * timevar.def (TV_SEE): New.
8206 * tree-pass.h (pass_see): Declaration as extern.
8207 * invoke.texi (-fsee): Document.
8208 * recog.c (validate_simplify_insn): New function.
8209 * recog.h (validate_simplify_insn): Declaration as extern.
8210 * df-problems.c (df_chain_dump): Check for NULL.
8212 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8213 Daniel Berlin <dberlin@dberlin.org>
8215 * cfgrtl.c (insert_insn_bb_end_new): New function.
8216 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8218 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8220 * df.h (struct web_entry): Moved from web.c.
8221 (union_defs): Declaration as extern.
8222 (unionfind_root): Likewise.
8223 (unionfind_union): Likewise.
8224 * web.c (struct web_entry): Moved to df.h.
8225 (unionfind_root): Remove static declaration.
8226 (unionfind_union): Likewise.
8227 (union_defs): Likewise and generalize to use callback function.
8228 (web_main): Update arguments for union_defs function call.
8230 2006-05-04 Richard Guenther <rguenther@suse.de>
8232 PR tree-optimization/26447
8233 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8234 produce SSA_NAME copies before the store stmt to avoid
8235 breaking exception handling.
8237 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8240 * gimplify.c (omp_is_private): If var is shared in some outer context,
8241 return false instead of true. Stop searching on parallel context
8244 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8247 * coverage.c: Use get_gcov_unsigned_t() instead of
8248 unsigned_type_node all over.
8250 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8252 PR tree-optimization/27381
8253 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8254 maintain the same immediate_use links.
8255 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8256 node rather than segfaulting.
8258 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8261 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8262 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8263 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8265 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8267 Fix PR tree-optimization/26626
8268 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8270 * tree-ssa-operands.c (access_can_touch_variable): Allow
8271 typecasting through union pointers.
8273 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8276 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8277 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8278 to find if var will be a global variable even in the nested context.
8279 (omp_copy_decl): Only check for global variable at the end, it might
8280 be overridden in outer contexts.
8281 (scan_sharing_clauses): For global variables don't create a field.
8282 (lower_rec_input_clauses): Do nothing for global shared variables.
8283 Emit a barrier at the end of ILIST if there were any decls in both
8284 firstprivate and lastprivate clauses.
8285 (lower_send_clauses): Do nothing for global variables except for
8288 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8290 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8291 of the correct signedness is returned.
8293 2006-05-02 Jeff Law <law@redhat.com>
8295 PR tree-optimization/27364
8296 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8297 multiply expressions.
8299 2006-05-02 Tom Tromey <tromey@redhat.com>
8301 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8303 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8306 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8307 -mthumb -fPIC are used.
8309 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8310 Joshua Kinard <kumba@gentoo.org>
8313 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8314 with 64-bit pointers.
8316 2006-05-02 Paul Brook <paul@codesourcery.com>
8318 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8320 (create_fix_barrier): Check that a suitable barrier location is
8322 (arm_reorg): Include ftmp->address in allowable range of addresses.
8324 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8327 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8330 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8333 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8334 around RESULT_DECL for result passed by reference.
8335 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8336 * omp-low.c (use_pointer_for_field): Don't look at
8337 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8338 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8339 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8340 time or var for passing by reference for
8341 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8342 TREE_ADDRESSABLE variables when passing by reference.
8344 * omp-low.c (dump_omp_region): Fix output formatting.
8347 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8348 (expand_omp_parallel): Likewise.
8349 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8352 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8353 on statement list containing also constructors and destructors.
8354 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8357 * except.c (duplicate_eh_regions): Fix clearing of
8358 cfun->eh->region_array entries.
8360 2006-05-01 DJ Delorie <dj@redhat.com>
8362 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8364 (gcc_cv_objdump): Likewise.
8365 * configure: Regenerated.
8367 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8370 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8371 templates for case 3 and 4.
8373 2006-05-01 DJ Delorie <dj@redhat.com>
8375 * vec.c: Include bconfig.h when appropriate.
8376 * Makefile.in (build/vec.o): Adjust dependencies.
8377 * mkconfig.sh: Make sure config.h isn't used for build machine
8380 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8382 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8384 (mark_phi_for_rewrite): New function.
8385 (insert_phi_nodes_for, mark_use_interesting): Call
8386 mark_phi_for_rewrite.
8387 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8388 (update_ssa): Initialize and free phis_to_rewrite.
8390 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8392 PR rtl-optimization/27291
8393 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8394 folded to a constant.
8396 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8398 PR tree-optimization/27283
8399 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8400 not whole # of iteration descriptions.
8401 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8402 uses abnormal ssa name.
8403 (niter_for_single_dom_exit): Ditto.
8404 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8405 return just the number of iterations.
8407 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8409 PR tree-optimization/27144
8410 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8411 (record_estimate): Only record constant upper bound.
8412 (infer_loop_bounds_from_undefined): Call
8413 compute_estimated_nb_iterations just once.
8414 (proved_non_wrapping_p): Renamed to ...
8415 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8416 (convert_step_widening, scev_probably_wraps_p): Call
8417 n_of_executions_at_most instead of proved_non_wrapping_p.
8418 (substitute_in_loop_info): Do not replace values in bounds.
8419 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8422 2006-05-01 Richard Henderson <rth@redhat.com>
8425 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8426 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8429 2006-05-01 Roger Sayle <roger@eyesopen.com>
8431 * c-typeck.c (parser_build_binary_op): Don't call the function
8432 unsigned_conversion_warning to spot operand/result type overflow.
8433 (build_binary_op): Instead, call convert_and_check instead of
8434 convert to report the problem when the operands are promoted.
8435 * c-common.c (unsigned_conversion_warning): Make static.
8436 * c-common.h (unsigned_conversion_warning): Delete prototype.
8438 2006-05-01 Richard Guenther <rguenther@suse.de>
8440 PR tree-optimization/26726
8441 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8443 (find_interesting_uses_address): ... we work around here
8444 by folding INDIRECT_REFs in the substituted base.
8446 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8448 * omp-low.c (dump_omp_region): Add newlines.
8450 2006-04-30 Roger Sayle <roger@eyesopen.com>
8452 * common.opt (Woverflow): New command line option.
8453 * c-common.c (constant_expression_warning): Check warn_overflow.
8454 (overflow_waring): Pass OPT_Woverflow to warning.
8455 (unsigned_conversion_warning): Likewise.
8456 (convert_and_check): Likewise.
8457 * doc/invoke.texi: Document new command line option.
8459 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8461 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8462 TARGET_NO_FP_IN_TOC for section anchors.
8463 (optimization_options): Enable section anchors for all
8464 non-"Objective" languages.
8466 2006-04-28 Eric Christopher <echristo@apple.com>
8468 * config/darwin-c.c (darwin_ms_struct): Move this
8469 (darwin_set_default_type_attributes): and this...
8470 * config/darwin.c: ... here.
8471 * config/darwin.h (darwin_ms_struct): Declare.
8473 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8477 2006-04-28 Roger Sayle <roger@eyesopen.com>
8480 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8481 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8482 an unsigned HOST_WIDE_INT.
8483 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8485 (really_start_incremental_init): No need to call convert because
8486 bitsize_zero_node is already of type bitsizetype.
8487 (push_init_level): Extract the value of constructor_index as an
8488 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8489 (process_init_element): Likewise.
8491 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8493 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8494 value before passing to make_relative_prefix.
8496 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8499 * builtins.c (expand_builtin_memset): Expand val in original mode.
8501 2006-04-27 Eric Christopher <echristo@apple.com>
8503 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8504 with #ifndef/#endif.
8505 * config/darwin-c.c (darwin_ms_struct): New.
8506 (darwin_pragma_ms_struct): Ditto.
8507 (darwin_set_default_type_attributes): Ditto.
8508 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8509 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8510 Register ms_struct pragma.
8511 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8512 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8513 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8514 darwin_set_default_type_attributes if TARGET_MACHO.
8516 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8518 PR tree-optimization/26854
8519 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8520 * doc/tree-ssa.texi: Update immuse iterator documentation.
8521 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8523 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8524 first_safe_imm_use, next_safe_imm_use): Remove.
8525 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8526 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8527 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8528 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8529 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8530 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8531 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8532 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8533 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8534 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8535 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8536 (perfect_nestify): Use new iterator.
8537 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8539 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8540 (next_imm_name): New field in struct immediate_use_iterator_d.
8541 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8542 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8543 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8544 * tree-cfg.c (replace_uses_by): Use new iterator.
8545 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8546 * tree-ssa-operands.c (correct_use_link): Remove.
8547 (finalize_ssa_use_ops): No longer call correct_use_link.
8549 2006-04-27 Stuart Hastings <stuart@apple.com>
8551 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8552 * config/t-darwin (crt3.o): Use it.
8553 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8554 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8555 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8556 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8557 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8560 2006-04-27 Roger Sayle <roger@eyesopen.com>
8562 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8563 size, force the intermediate into a new pseudo rather instead of
8564 performing both a bitwise AND and a bitwise IOR in memory.
8566 2006-04-27 Richard Guenther <rguenther@suse.de>
8568 PR rtl-optimization/26685
8569 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8570 this one "max-flow-memory-locations".
8572 2006-04-27 Richard Guenther <rguenther@suse.de>
8574 PR tree-optimization/25148
8575 * tree-vrp.c (compare_values): Remove code dealing with
8576 comparisons against type min/max value. Honour overflow
8577 and negative constants in code dealing with comparisons
8578 of plus and minus expressions.
8579 (value_inside_range): Use fold_binary with LE_EXPR and
8580 GE_EXPR rather than compare_values.
8582 2006-04-27 Dirk Mueller <dmueller@suse.de>
8584 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8587 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8589 * basic-block.h (safe_insert_insn_on_edge): Removed.
8590 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8592 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8593 Paolo Bonzini <bonzini@gnu.org>
8596 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8597 (simplify_and_const_int): Same.
8599 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8601 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8603 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8606 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8607 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8608 cgraph_global_info_ready.
8611 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8614 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8615 either decl or init is error_mark_node.
8618 * tree-flow.h (struct omp_region): Add sched_kind.
8619 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8620 instead of extracting omp for data.
8621 (expand_omp_for): Save extracted sched_kind.
8623 2006-04-25 Roger Sayle <roger@eyesopen.com>
8625 * expmed.c (store_bit_field): Also check whether the bitsize is
8626 valid for the machine's "insv" instruction before moving the
8627 target into a pseudo for use with the insv.
8628 * config/i386/predicates.md (const8_operand): New predicate.
8629 * config/i386/i386.md (extv, extzv, insv): Use the new
8630 const8_operand predicate where appropriate.
8632 2006-04-25 DJ Delorie <dj@redhat.com>
8634 * doc/install.texi (Specific): Clarify that this is not a list of
8635 supported hosts or targets.
8637 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8639 PR rtl-optimization/26725
8640 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8641 block's BB_DIRTY flag.
8643 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8645 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8648 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8649 to print an integer.
8651 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8653 * varasm.c (align_variable): New function.
8654 (get_block_for_decl): Apply align_variable to DECL before
8655 calculating section information.
8656 (assemble_variable): Split out alignment computation.
8658 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8660 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8663 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8665 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8666 MODE_PARTIAL_INT mode.
8667 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8668 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8670 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8671 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8673 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8675 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8677 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8678 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8679 MACFLAG_IH): Likewise.
8680 (movstricthi_1): Renamed from "*movstricthi".
8681 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8682 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8683 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8684 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8685 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8686 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8687 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8688 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8689 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8690 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8691 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8692 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8693 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8694 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8695 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8697 * doc/rtl.texi (ss_ashift): Improve wording.
8699 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8701 * dwarf2out.c (verify_marks_clear): New.
8702 (prune_unused_types): Call verify_marks_clear initially, not
8705 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8707 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8708 * doc/rtl.texi: Document them.
8709 * simplify-rtx.c (simplify_unary_operation,
8710 simplify_binary_operation_1): Don't abort when we see them.
8712 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8715 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8716 * configure.ac: Completely disregard languages that are not
8718 * configure: Regenerated.
8720 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8721 Richard Guenther <rguenther@suse.de>
8723 PR tree-optimization/27236
8724 * tree-inline.c (copy_body_r): Make sure to copy
8725 TREE_THIS_VOLATILE flag.
8727 2006-04-24 Richard Guenther <rguenther@suse.de>
8730 * tree-complex.c (update_parameter_components): Don't handle
8731 unused parameters which have no default def.
8733 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8734 Richard Guenther <rguenther@suse.de>
8736 PR tree-optimization/27218
8737 * tree-inline.c (expand_call_inline): Strip useless type
8738 conversions for the return slot address.
8740 2006-04-24 Richard Guenther <rguenther@suse.de>
8742 * cfgloop.h (struct loops): Remove unused field array. Reorder
8744 (LOOP_PREFETCH): Remove.
8746 2006-04-24 Richard Guenther <rguenther@suse.de>
8748 PR tree-optimization/22525
8749 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8750 variable, adjust types of generated expressions.
8752 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8754 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8755 (tree-vect-patterns.o): Likewise.
8757 (cselib.o): Likewise.
8758 (loop-doloop.o): Likewise.
8759 (regclass.o): Likewise.
8760 (reload1.o): Likewise.
8761 (explow.o): Replace target.h with $(TARGET_H).
8762 (ipa-prop.o): Likewise.
8763 (ipa-cp.o): Likewise.
8764 (ipa-inline.o): Likewise.
8765 (reorg.o): Likewise.
8766 (reg-stack.o): Likewise.
8768 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8770 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8772 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8774 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8776 * configure.ac: Completely disregard languages that are not
8778 * configure: Regenerated.
8781 * c-common.h (c_build_bitfield_integer_type): Declare.
8782 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8783 * c-common.c (c_build_bitfield_integer_type): ... here.
8785 2006-04-23 Roger Sayle <roger@eyesopen.com>
8788 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8789 a SImode SUBREG of a floating point register after no_new_pseudos.
8791 2006-04-23 Roger Sayle <roger@eyesopen.com>
8793 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8794 identify potentially eliminable registers to additionally catch
8795 VIRTUAL_INCOMING_ARGS_REGNUM.
8796 (addsi3): Update the conditions on when to use addsi_small_int.
8798 2006-04-23 Roger Sayle <roger@eyesopen.com>
8801 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8802 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8803 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8805 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8807 * fold-const.c (range_predecessor): Use operand_equal_p
8808 as the predicate for equality.
8809 (range_successor): Likewise.
8811 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8814 * config/soft-fp/op-common.h: Fix a typo.
8816 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8819 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8820 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8822 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8824 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8826 * doc/tm.texi: Fix a typo.
8828 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8830 * dwarf2out.c (struct die_struct): Document that die_sib makes
8831 a circular linked list.
8832 (FOR_EACH_CHILD): New.
8833 (reverse_die_lists): Delete.
8834 (reverse_all_dies): Delete.
8835 (add_dwarf_attr): Correct documentation.
8836 (remove_child_with_prev): New.
8837 (remove_child_TAG): Update for change to die_struct, use
8838 remove_child_with_prev.
8839 (add_child_die): Update for change to die_struct.
8840 (splice_child_die): Use remove_child_with_prev and add_child_die.
8841 (print_die): Use FOR_EACH_CHILD.
8842 (die_checksum): Likewise.
8843 (assign_symbol_names): Likewise.
8844 (output_location_lists): Likewise.
8845 (build_abbrev_table): Likewise.
8846 (calc_die_sizes): Likewise.
8847 (mark_dies): Likewise.
8848 (unmark_dies): Likewise.
8849 (unmark_all_dies): Likewise.
8850 (output_die): Likewise.
8851 (prune_unused_types_mark): Likewise.
8852 (prune_unused_types_walk): Likewise.
8853 (same_die_p): Update for change to die_struct.
8854 (break_out_includes): Likewise.
8855 (prune_unused_types_prune): Likewise.
8856 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8857 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8859 (dwarf2out_finish): Don't call reverse_all_dies.
8861 2006-04-21 Eric Christopher <echristo@apple.com>
8863 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8864 in comments and function names.
8866 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8869 * c-typeck.c (digest_init): Robustify.
8871 * c-typeck.c (pop_init_level): Simplify.
8873 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8875 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8877 2006-04-21 Paul Brook <paul@codesourcery.com>
8879 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8880 hardware floating point.
8882 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8884 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8887 2006-04-21 Nick Clifton <nickc@redhat.com>
8889 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8892 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8895 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8896 C++ lang type in traceback table for Objective-C++.
8898 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8900 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8902 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8904 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8907 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8908 were errors. Remove check for erroneous objects.
8910 2006-04-20 Jeff Law <law@redhat.com>
8912 PR tree-optimization/26854
8913 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8914 checking for zero or one use.
8915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8916 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8917 * tree-ssa-reassoc.c (negate_value): Similarly.
8918 (reassociate_bb): Similarly.
8920 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8922 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8923 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8924 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8926 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8928 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8929 fp regs if the last fp arg doesn't fit in regs.
8931 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8934 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8935 that the last insn has the REG_INC note.
8937 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8938 Nathan Sidwell <nathan@codesourcery.com>
8941 * stor-layout.c (update_alignment_for_field): Do not align
8943 (place_union_field): Place union field at the start of the union.
8944 (place_field): Move ERROR_MARK check later, and use the current
8945 allocation position to maintain monotonicity.
8947 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8949 * dominance.c: Include timevar.h.
8950 (calculate_dominance_info): Use TV_DOMINANCE.
8951 * timevar.def (TV_DOMINANCE): New timevar.
8952 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8954 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8956 PR rtl-optimization/14261
8957 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8958 move would be an INSV insn.
8959 (noce_process_if_block): Don't optimize if the destination is a
8960 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8962 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8964 * config/s390/s390.md: Add comments with the instructions emitted
8965 by an insn pattern if macros are used.
8967 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8969 PR rtl-optimization/26026
8970 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8971 is a known power of two shifted left a variable amount.
8973 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8975 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8976 to hash table twice when the debug_str section has SECTION_MERGE.
8978 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8980 * config/soft-fp: New directory. From glibc.
8981 * config/soft-fp/t-softfp: New.
8982 * config/soft-fp/README: New.
8983 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8984 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8985 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8986 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8987 * config.gcc: Use rs6000/t-fprules-fpbit or
8988 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8990 * config/rs6000/sfp-machine.h: New. Based on glibc.
8991 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8993 * config/rs6000/t-fprules: Remove fp-bit rules.
8994 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8995 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8996 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8997 (softfp_wrap_start, softfp_wrap_end): New.
8999 2006-04-18 DJ Delorie <dj@redhat.com>
9001 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9003 2006-04-18 Devang Patel <dpatel@apple.com>
9005 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9007 2006-04-18 Nick Clifton <nickc@redhat.com>
9009 * config/sh/t-symbian: Add rule to build sh-c.o
9010 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9011 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9012 (sh_symbian_encode_section_info): Likewise.
9014 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9016 * builtins.c (expand_builtin_strcmp): Cover label definition of
9017 do_libcall with HAVE_cmpstrnsi.
9019 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9021 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9023 * function.h (temp_slot_p): New.
9024 (function): Change the type of x_used_temp_slots to
9025 VEC(temp_slot_p,gc) *.
9027 2006-04-18 Nick Clifton <nickc@redhat.com>
9029 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9030 flag_strength_reduce.
9032 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9034 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9038 Partial revert of revision 112637
9039 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9040 Dale Johannesen <dalej@apple.com>
9043 * regclass.c (struct reg_pref): Update documentation.
9044 (regclass): Set prefclass to NO_REGS if memory is the best option.
9045 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9047 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9049 PR tree-optimization/26821
9050 * tree-ssa-math-opts.c (get_constant_one): New.
9051 (insert_reciprocals): Use it.
9053 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9055 * dwarf2out.c (free_AT): Delete.
9056 (remove_AT): Update string ref counts.
9057 (remove_child_TAG): Don't call free_die.
9059 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9060 or DW_TAG_GNU_EINCL.
9061 (prune_unused_types_walk_attribs): Reset string refcounts.
9062 (prune_unused_types_update_strings): New.
9063 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9064 call free_die. Do call prune_unused_types_update_strings.
9065 (prune_unused_types): Empty debug_str_hash.
9067 2006-04-17 Roger Sayle <roger@eyesopen.com>
9069 * expr.c (expand_assignment): Optimize away no-op moves where the
9070 source and destination are equal and have no side-effects.
9072 2006-04-17 Richard Guenther <rguenther@suse.de>
9075 * reload.c (push_reload): Guard calls to get_secondary_mem
9078 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9080 * alias.c (reg_base_value, old_reg_base_value): Change the
9081 type to VEC(rtx,gc) *.
9082 (REG_BASE_VALUE, find_base_value, record_set,
9083 init_alias_analysis): Use VEC instead of VARRAY.
9085 * alias.c (alias_sets): Change the type to
9086 VEC(alias_set_entry,gc) *.
9087 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9088 VEC instead of VARRAY.
9089 (last_alias_set): Remove.
9091 * cgraph.h (cgraph_edge_p): New.
9092 Update the prototype of cgraph_function_versioning.
9093 * cgraphunit.c (cgraph_copy_node_for_versioning,
9094 cgraph_function_versioning): Use VEC instead of VARRAY.
9095 * ipa-cp.c (ipcp_insert_stage): Likewise.
9097 2006-04-16 Roger Sayle <roger@eyesopen.com>
9100 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9101 "A op B" or "A op C", we may need to convert A to the type of B and C.
9103 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9105 * target.h (struct gcc_target): Add mode_rep_extended.
9106 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9107 (init_num_sign_bit_copies_in_rep): Initialize it using
9109 (truncate_to_mode): Use it.
9110 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9111 * targhooks.h (default_mode_rep_extended): Declare it.
9112 * targhooks.c (default_mode_rep_extended): Define it.
9113 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9114 default_mode_rep_extended.
9115 (TARGET_INITIALIZER): Include it.
9116 * doc/tm.texi (Misc): Document it.
9117 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9118 (mips_truncated_to_mode): New function.
9120 2006-04-16 Roger Sayle <roger@eyesopen.com>
9123 * expr.c (compress_float_constant): Copy the narrow constant into
9124 a new pseudo before extending it to its final width.
9126 2006-04-16 Roger Sayle <roger@eyesopen.com>
9127 Andrew Pinski <pinskia@gcc.gnu.org>
9128 Dale Johannesen <dalej@apple.com>
9131 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9132 special case code to implement V8HImode and V16QImode with SSE2.
9134 2006-04-15 Roger Sayle <roger@eyesopen.com>
9136 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9137 trees are constructed with a suitable tree type.
9139 2006-04-15 Roger Sayle <roger@eyesopen.com>
9141 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9142 (integer_onep): Likewise.
9143 (integer_all_onesp): Likewise.
9144 (integer_pow2p): Likewise.
9145 (integer_nonzerop): Likewise.
9146 (real_zerop): Likewise.
9147 (real_onep): Likewise.
9148 (real_twop): Likewise.
9149 (real_minus_onep): Likewise.
9150 (int_size_in_bytes): Likewise.
9151 (host_integerp): Likewise.
9153 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9155 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9156 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9157 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9159 * tree-ssa-structalias.h (alias_info): Remove num_references.
9161 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9163 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9164 (output_bvb patterns): Likewise.
9165 * pa.c (output_bb): Use 'bb' insn for long branch case.
9166 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9167 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9168 1. Correct length operand for alternatives 1 and 2.
9169 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9170 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9172 2006-04-14 Roger Sayle <roger@eyesopen.com>
9174 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9175 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9176 were accidentally reverted by r112959.
9178 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9181 * except.h (eh_region_outermost): New prototype.
9182 * except.c (eh_region_outermost): New function.
9183 * tree-cfg.c (find_outermost_region_in_block): Use it.
9185 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9187 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9189 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9190 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9191 (init_reload, reload): Use VEC instead of VARRAY.
9192 * reload.h: Update the prototype for
9193 reg_equiv_memory_loc_varray.
9195 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9196 Eric Botcazou <ebotcazou@libertysurf.fr>
9198 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9201 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9204 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9205 to expand fallback builtin function call.
9207 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9210 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9211 and emit libcall here in case the builtin fails.
9212 (expand_builtin_strcmp): Always emit the libcall here on failure.
9214 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9216 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9217 * flow.c (reg_n_info): Change the type to
9218 VEC(reg_info_p,heap) *.
9219 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9221 * regs.h (reg_info_p): New.
9222 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9223 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9224 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9227 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9229 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9231 * params.h (MAX_SCHED_READY_INSNS): New macro.
9232 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9233 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9234 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9235 the ready list for 1 cycle during the first scheduling pass.
9236 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9238 2006-04-13 Richard Henderson <rth@redhat.com>
9241 * gimple-low.c (lower_omp_directive): Remove dead code.
9242 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9243 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9244 * omp-low.c (struct omp_region): Move to tree-flow.h.
9245 (root_omp_region): Export.
9246 (omp_regions, lookup_omp_region): Remove.
9247 (determine_parallel_type): Update for struct omp_region changes.
9248 (dump_omp_region): Dump regions with block numbers.
9249 (new_omp_region): Take type and block instead of stmt; malloc
9251 (free_omp_region_1, free_omp_regions): New.
9252 (expand_parallel_call): Take entry_stmt as argument; update for
9253 changes to omp_region.
9254 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9255 (remove_exit_barriers): New.
9256 (expand_omp_parallel): Update for struct omp_region changes.
9257 (expand_omp_synch): Likewise.
9258 (expand_omp): Likewise.
9259 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9260 (expand_omp_for_static_chunk): Likewise.
9261 (expand_omp_for): Likewise.
9262 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9263 (expand_omp_sections): Similarly, with GOMP_sections_end.
9264 (expand_omp_single): New.
9265 (build_omp_regions_1): Update for OMP_CONTINUE.
9266 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9267 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9268 OMP_SECTIONS_SECTIONS.
9269 (lower_omp_single_simple): Don't emit barrier here.
9270 (lower_omp_single_copy): Likewise.
9271 (lower_omp_single): Fix bindings, and lower to straightline now.
9272 (lower_omp_master, lower_omp_ordered): Likewise.
9273 (lower_omp_critical): Likewise.
9274 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9275 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9276 omp edges, free it afterward.
9277 (make_omp_sections_edges): Remove.
9278 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9279 (move_stmt_r): Handle OMP_CONTINUE.
9280 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9281 statement pointers to basic blocks. Add type member.
9282 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9283 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9284 * tree-inline.c (estimate_num_insns_1): Likewise.
9285 * tree-pretty-print.c (dump_generic_node): Likewise.
9286 * tree-ssa-operands.c (get_expr_operands): Likewise.
9287 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9288 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9289 (OMP_CONTINUE): New.
9290 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9291 (OMP_SECTIONS_SECTIONS): Remove.
9292 (OMP_SECTION_LAST): New.
9293 (OMP_RETURN_NOWAIT): New.
9295 2006-04-13 Roger Sayle <roger@eyesopen.com>
9297 * fold-const.c (native_encode_vector, native_interpret_real):
9298 Correct obvious mistakes in the previous check-in.
9300 2006-04-13 Roger Sayle <roger@eyesopen.com>
9302 * fold-const.c (native_encode_expr): New function to encode
9303 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9304 or VECTOR_CST into a specified buffer.
9305 (native_encode_int): New function.
9306 (native_encode_real): New function.
9307 (native_encode_complex): New function.
9308 (native_encode_vector): New function.
9309 (native_interpret_expr): Inverse of native_encode_expr to convert
9310 a target representation into an INTEGER_CST, REAL_CST etc...
9311 (native_interpret_int): New function.
9312 (native_interpret_real): New function.
9313 (native_interpret_complex): New function.
9314 (native_interpret_vector): New function.
9315 (fold_view_convert_expr): New function to constant fold/evaluate
9316 a VIEW_CONVERT_EXPR of a suitable constant expression.
9317 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9318 Change call of build1 to fold_build1 when constructing a
9321 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9322 Ulrich Weigand <uweigand@de.ibm.com>
9325 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9328 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9331 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9332 optimize to lo_sum for DFmode if !TARGET_FPRS.
9334 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9336 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9337 delete_alias_info, compute_flow_sensitive_aliasing,
9338 group_aliases): Use VEC instead of VARRAY.
9339 * tree-ssa-structalias.c (update_alias_info): Likewise.
9340 * tree-ssa-structalias.h (alias_info): Change the type of
9341 processed_ptrs to VEC(tree,heap) *.
9343 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9346 * config/sh/lib1funcs.h: New file, broken out of:
9347 * config/sh/lib1funcs.asm.
9348 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9350 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9351 * config/sh/lib1funcs-Os-4-200.asm: New file.
9352 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9353 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9354 (EXTRA_MULTILIB_PARTS): Include it.
9355 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9356 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9357 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9358 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9361 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9363 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9364 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9365 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9367 * tree-ssa-live.h: Include vecprim.h.
9368 (tree_partition_associator_d): Change the type of
9369 first_partition to VEC(int,heap) *.
9370 (tpa_first_partition): Use VEC instead of VARRAY.
9372 * Makefile.in (GTFILES): Move functions.h after tree.h.
9373 * function.c (reset_block_changes, record_block_change,
9374 check_block_change, free_block_changes): Use VEC instead of
9376 * function.h (function): Change the type of
9377 ib_boundaries_block to VEC(tree,gc) *.
9378 * tree-inline.c (copy_cfg_body): Initialize
9379 ib_boundaries_block to NULL instead of (varray_type) 0.
9381 2006-04-12 Roger Sayle <roger@eyesopen.com>
9383 * expr.c (emit_group_store): Correct operand order in call to
9384 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9385 a SUBREG_BYTE of zero.
9387 2006-04-12 Richard Guenther <rguenther@suse.de>
9389 * profile.c (compute_branch_probabilities): Remove code
9390 encapsulated in !ir_type (), which are remanents of the
9391 removed RTL profiling code.
9392 * rtl-profile.c: Remove.
9394 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9396 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9397 magic NULL_RTX comment.
9398 (function_arg): Store entire fp arg to mem if any part should go
9400 (rs6000_arg_partial_bytes): Adjust for above change.
9402 2006-04-11 Roger Sayle <roger@eyesopen.com>
9404 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9405 if it hasn't been initialized by dwarf2out_init.
9407 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9409 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9410 symbolic constants in branch patterns.
9412 2006-04-11 Roger Sayle <roger@eyesopen.com>
9414 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9416 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9418 PR rtl-optimization/27073
9419 * gcse.c (try_replace_reg): Revert last change. Continue to search
9420 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9423 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9425 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9426 aggregate types other than record and union types.
9427 (function_arg): Likewise.
9428 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9430 (function_value): In 64-bit mode, return objects that require it
9433 2006-04-11 Roger Sayle <roger@eyesopen.com>
9435 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9437 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9439 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9441 2006-04-03 Jeff Law <law@redhat.com>
9444 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9445 alias information too.
9447 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9449 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9451 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9454 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9455 (premark_used_types_helper): New.
9456 (premark_used_types): New.
9457 (gen_subprogram_die): Call premark_used_types.
9458 (prune_unused_types_walk): Do not prune perennial dies.
9459 * function.c (used_types_insert): New.
9460 * function.h (struct function): Add used_types_hash field.
9461 (used_types_insert): Add prototype.
9462 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9463 * c-parser.c (c_parser_cast_expression): Save casted types in used
9466 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9469 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9470 rs6000_explicit_options.float_gprs.
9472 2006-04-10 Roger Sayle <roger@eyesopen.com>
9474 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9475 from ix86_expand_vector_init_low_nonzero. Take an additional
9476 one_var argument indicating which element is non-zero. Support
9477 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9478 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9479 with one_var instead of ix86_expand_vector_init_low_nonzero.
9481 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9483 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9484 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9485 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9486 build/genextract.o): Depend on vecprim.h.
9487 * cfglayout.c, df-problems.c, function.c, genextract.c,
9488 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9489 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9493 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9495 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9496 Declare VECs of this type.
9497 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9498 (remove_children): Delete.
9499 (add_dwarf_attr): Use VEC routines.
9500 (add_AT_flag): Update for changes to add_dwarf_attr.
9501 (add_AT_int): Likewise.
9502 (add_AT_unsigned): Likewise.
9503 (add_AT_long_long): Likewise.
9504 (add_AT_vec): Likewise.
9505 (add_AT_string): Likewise.
9506 (add_AT_die_ref): Likewise.
9507 (add_AT_fde_ref): Likewise.
9508 (add_AT_loc): Likewise.
9509 (add_AT_loc_list): Likewise.
9510 (add_AT_addr): Likewise.
9511 (add_AT_lbl_id): Likewise.
9512 (add_AT_lineptr): Likewise.
9513 (add_AT_macptr): Likewise.
9514 (add_AT_offset): Likewise.
9515 (add_AT_range_list): Likewise.
9516 (get_AT): Use VEC_iterate.
9517 (remove_AT): Use VEC_ordered_remove.
9518 (free_die): Fold remove_children into here; have it use VEC_iterate.
9519 (print_die): Use VEC_iterate on attrs.
9520 (reverse_die_lists): Don't reverse attr lists.
9521 (die_checksum): Use VEC_iterate on attrs.
9522 (same_die_p): Likewise.
9523 (output_location_lists): Likewise.
9524 (build_abbrev_table): Likewise.
9525 (size_of_die): Likewise.
9526 (unmark_all_dies): Likewise.
9527 (output_abbrev_section): Likewise.
9528 (output_die): Likewise.
9529 (prune_unused_types_walk_attribs): Likewise.
9531 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9533 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9535 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9538 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9540 2006-04-09 Roger Sayle <roger@eyesopen.com>
9542 * expr.c (store_constructor): Don't bother clearing target if
9543 we're about to assign a vector to it using vec_init_optab.
9545 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9547 * tree-ssa-alias.c (lhs_may_store_to): New function.
9548 (recalculate_used_alone): Handle LHS of calls.
9550 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9554 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9555 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9556 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9557 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9558 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9559 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9560 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9561 stubs. Add ".align 8" directives before all ".dword" directives.
9562 (GTHREAD_USE_WEAK): Revise comment.
9563 (TARGET_ATTRIBUTE_WEAK): Define.
9564 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9565 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9566 * stublib.c: New file.
9571 * pa.md (cbranch patterns): Revise arguments used in calls to
9572 output_cbranch, output_bb and output_bvd. Add long branch length
9574 (fbranch patterns): Handle long branches.
9575 (jump): Revise length check. Revise arguments for output_lbranch call.
9576 Add long branch length attributes.
9577 (decrement_and_branch_until_zero): Add long branch length attributes.
9578 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9579 Likewise. Revise arguments for output_parallel_addb and
9580 output_parallel_movb calls.
9581 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9582 output_parallel_movb and output_parallel_addb): Update prototypes.
9583 * pa.c (output_cbranch): Revise arguments. Correct handling of
9584 nullification in long branches.
9585 (output_lbranch): Add new argument to control extraction of delay
9587 (output_bb): Handle long branches.
9588 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9589 output_parallel_addb): Likewise.
9591 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9593 PR rtl-optimization/27073
9594 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9597 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9599 * tree.h (tree_memory_tag): Add old_used_alone.
9600 (SMT_OLD_USED_ALONE): New macro.
9601 * tree-ssa-alias.c (recalculate_used_alone): Stop
9602 marking things for renaming unnecessarily.
9604 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9606 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9607 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9608 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9609 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9610 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9611 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9612 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9613 spelling convensions.
9614 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9615 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9616 typos. Follow spelling conventions.
9618 2006-04-07 DJ Delorie <dj@redhat.com>
9620 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9621 passed on the stack.
9622 (m32c_init_cumulative_args): When a function returns a structure,
9623 always pass the pointer to that return area on the stack.
9624 (m32c_function_arg_advance): Don't increment the parameter number
9625 if we're processing the returned structure pointer.
9626 (pushm_info): Reverse order of registers.
9628 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9630 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9631 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9632 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9633 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9635 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9636 chrec_fold_multiply): Same.
9637 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9638 force_expr_to_var_cost): Same.
9639 * tree-mudflap.c (mf_xform_derefs_1): Same.
9640 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9642 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9644 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9645 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9648 2006-04-07 Jan Hubicka <jh@suse.cz>
9650 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9652 2006-04-07 Richard Guenther <rguenther@suse.de>
9654 PR tree-optimization/26135
9655 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9656 loads for store copy-prop.
9657 (copy_prop_visit_stmt): Likewise.
9659 2006-04-05 Robert Millan <robertmh@gnu.org>
9661 * config/i386/linux.h: Add a comment to mark macros that are
9662 being overriden in config/k*bsd-gnu.h.
9663 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9665 * config/knetbsd-gnu.h: Ditto.
9667 2006-04-06 Jan Hubicka <jh@suse.cz>
9671 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9674 2006-04-06 Mike Stump <mrs@apple.com>
9676 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9677 for HAVE_nonlocal_goto to be consistent.
9678 (expand_builtin_nonlocal_goto): Likewise.
9679 (expand_builtin_strcmp): Use #ifdef instead of #if
9680 for HAVE_cmpstrnsi to be consistent.
9682 2006-04-05 DJ Delorie <dj@redhat.com>
9684 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9687 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9689 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9690 got-relative addressing for anything but SImode.
9692 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9693 even if the calling function doesn't modify them.
9695 2006-04-05 Richard Guenther <rguenther@suse.de>
9697 PR tree-optimization/26919
9698 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9699 to cgraph_estimate_size_after_inlining.
9701 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9703 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9705 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9707 PR tree-optimization/26996
9708 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9709 VECTOR_TYPE variables.
9711 2006-04-05 Richard Guenther <rguenther@suse.de>
9713 PR tree-optimization/26763
9714 * fold-const.c (fold_comparison): Move folding of
9715 PTR + CST CMP PTR + CST ...
9716 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9718 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9720 * doc/install.texi (Prerequisites): Refine some wording on
9721 bootstrapping and ksh.
9722 Move the version numbers of DejaGnu here from the testing section
9723 and fix casing of names.
9724 Fix markup and clarify wording for autogen requirements.
9725 Refer to GCJ instead of just java.
9726 Refer to SVN instead of CVS.
9727 Describe diffutils as useful instead of necessary.
9728 (Downloading the source): Refer to SVN instead of CVS.
9729 Adjust a link to our web site accordingly.
9730 (Configuration): Fix casing of Bison.
9731 (Building): Refer to SVN instead of CVS.
9732 Fix a sentence on the use of Bison and remove duplicate (and
9733 incorrect) version number of Bison requirement.
9734 Remove one redundant list of packages needed for building.
9735 (Specific): Avoid reference to CVS.
9737 2006-04-04 Eric Christopher <echristo@apple.com>
9739 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9740 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9741 (rs6000_handle_struct_attribute): New.
9742 (rs6000_ms_bitfield_layout_p): Ditto.
9744 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9746 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9747 NULL for dso parameter to atexit_common.
9749 2006-04-04 Eric Christopher <echristo@apple.com>
9751 * config/i386/i386.c (machopic_output_stub): Output \t
9752 between instructions and operands.
9754 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9756 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9757 satisfies_constraint_[IL] to explicit tests on value.
9759 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9761 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9762 set_nb_iterations_in_loop): Use build_int_cst instead of
9764 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9765 build_int_cst instead of convert.
9767 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9769 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9770 new value 2 for incoming.
9771 * function.c (expand_function_start): Call struct_value_rtx
9773 * config/sparc/sparc.md: Comment updated_return.
9774 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9775 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9776 struct return if sparc_std_struct_return and incoming is 2.
9777 (print_operand): Do not adjust return if
9778 sparc_std_struct_return.
9780 2006-04-04 Roger Sayle <roger@eyesopen.com>
9782 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9783 convert in the middle-end.
9784 * expr.c (store_expr, store_constructor, get_inner_reference,
9785 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9787 * tree.c (build_range_type): Likewise.
9789 2006-04-04 Tom Tromey <tromey@redhat.com>
9791 * doc/install.texi (Prerequisites): Mention jar.
9793 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9795 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9798 2006-04-04 Matthias Klose <doko@debian.org>
9800 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9804 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9807 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9809 * doc/extend.texi (Function Attributes): Rewrite visibility
9810 attribute documentation.
9811 * doc/invoke.texi (C++ Dialect Options): Rewrite
9812 -fvisibility-inlines-hidden documentation to describe something
9813 entirely different, although in practise compatible.
9814 (Code Gen Options): Warn about system headers in -fvisibility=
9817 * doc/extend.texi (Other Builtins): Document that
9818 __builtin_nan is a compile-time constant only when its argument
9821 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9823 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9824 trying to remove TRUNCATE check if all bits outside the new mode
9825 are identical to the sign bit.
9827 2006-04-03 Jeff Law <law@redhat.com>
9829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9830 and operand scanning in some common cases.
9832 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9833 Dale Johannesen <dalej@apple.com>
9836 * regclass.c (struct reg_pref): Update documentation.
9837 (regclass): Set prefclass to NO_REGS if memory is the best option.
9838 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9839 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9840 into account. For non-registers, equate an empty preferred
9841 reload class to a `!' in the constraint; move the if clause to
9842 do so after those that reject the insn.
9843 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9845 (find_dummy_reload): Likewise.
9846 * doc/tm.texi (Register Classes): Document what it means
9847 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9848 * config/i386/i386.c (ix86_preferred_reload_class): Force
9849 using SSE registers (and return NO_REGS for floating-point
9850 constants) if math is done with SSE.
9851 (ix86_preferred_output_reload_class): New.
9852 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9853 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9854 * config/i386/i386.md: Remove # register preferences.
9856 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9859 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9860 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9861 the type of nb_iter.
9862 (instantiate_parameters_1): Convert the operands before calling
9863 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9864 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9866 2006-04-02 Roger Sayle <roger@eyesopen.com>
9868 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9869 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9871 * dojump.c (do_jump): Likewise.
9872 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9873 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9874 gimplify_boolean_expr): Likewise.
9875 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9876 * varasm.c (array_size_for_constructor): Likewise.
9877 * tree-object-size.c (compute_object_offset): Likewise.
9879 2006-04-02 Roger Sayle <roger@eyesopen.com>
9882 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9883 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9885 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9887 PR tree-optimization/26939
9888 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9890 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9892 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9893 at_stmt. Convert the type of operands before calling
9894 build_polynomial_chrec.
9895 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9897 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9898 (instantiate_parameters_1): Convert the type of operands before calling
9899 build_polynomial_chrec.
9900 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9901 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9902 reset_evolution_in_loop): Insert asserts to check the types of the
9904 (chrec_type): Moved...
9905 (eq_evolutions_p): Use operand_equal_p.
9906 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9907 the types of the operands.
9908 (chrec_type): ...here.
9909 * tree-data-ref.c (create_data_ref): Convert the operands before
9910 calling chrec_replace_initial_condition.
9911 (same_access_functions, analyze_subscript_affine_affine,
9912 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9913 (compute_subscript_distance, analyze_ziv_subscript,
9914 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9915 analyze_miv_subscript): Convert the operands before calling
9916 chrec_fold_minus or chrec_fold_plus.
9918 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9920 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9921 the dependence_relations vector.
9922 (compute_data_dependences_for_loop): Adjust call to
9923 compute_all_dependences.
9925 2006-04-01 Roger Sayle <roger@eyesopen.com>
9926 Richard Henderson <rth@redhat.com>
9928 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9929 gimple_boolify on the condition before calling gimplify_expr.
9931 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9933 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9934 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9935 the frame size. Update to use the new macros.
9936 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9937 * config/xtensa/ieee754-df.S: Likewise.
9939 2006-03-31 Richard Henderson <rth@redhat.com>
9941 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9942 (make_edges): ... here. Control fallthru creation with a local
9943 variable. Do not play with fake edges.
9944 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9945 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9948 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9950 * dwarf2.h (DW64_CIE_ID): Define.
9951 * dwarf2out.c (DWARF_CIE_ID): Define.
9952 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9953 length header. Use DWARF_CIE_ID.
9954 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9955 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9957 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9959 * config/sh/linux-atomic.asm: New file.
9960 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9962 2006-03-31 DJ Delorie <dj@redhat.com>
9964 * config/m32c/cond.md: Set condition flags properly throughout.
9965 * config/m32c/minmax.md: Likewise.
9966 * config/m32c/prologue.md: Likewise.
9967 * config/m32c/bitops.md: Likewise.
9968 * config/m32c/muldiv.md: Likewise.
9969 * config/m32c/mov.md: Likewise.
9970 * config/m32c/addsub.md: Likewise.
9971 * config/m32c/m32c.md: Likewise.
9972 * config/m32c/jump.md: Likewise.
9973 * config/m32c/shift.md: Likewise.
9975 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9976 conditionally output the pattern for this.
9977 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9978 (m32c_compare_redundant): New.
9979 (m32c_output_compare): New.
9980 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9982 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9983 dest, not src. Allow other 4-byte modes.
9985 2006-03-30 Denis Chertykov <denisc@overta.ru>
9987 * doc/md.texi: Refer to avr/constraints.md instead of
9990 2006-03-30 Roger Sayle <roger@eyesopen.com>
9992 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9993 signed vs. unsigned comparison failures on some hosts.
9995 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9998 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9999 change to FLOAT_REGS.
10001 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10002 (rs6000_override_options): Use it.
10003 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10004 only for -mabi=spe/no-spe and -mabi=altivec.
10006 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10008 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10011 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10013 * Makefile.in: Rename docdir to gcc_docdir.
10015 2006-03-30 Roger Sayle <roger@eyesopen.com>
10018 * expr.c (emit_group_store): Optimize group stores into a pseudo
10019 register by using a paradoxical subreg to initialize the destination
10020 if the first or last member of the group specifies a "low part".
10022 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10025 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10026 * target.h (struct gcc_target.speculate_insn): Change type of the
10027 second parameter to 'int'.
10028 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10029 the second operand of the DEPS_LIST.
10030 (copy_DEPS_LIST_list): Update reference to the second operand of the
10032 * rtl.h (alloc_DEPS_LIST): Update signature.
10033 * sched-int.h (ds_t): Change typedef to 'int'.
10034 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10036 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10038 * haifa-sched.c (try_ready): Change condition to restore
10039 non-speculative pattern of the instruction.
10040 (process_insn_depend_be_in_spec): Code to keep probability of the
10041 speculative dependence non-decreasing.
10043 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10045 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10046 (single_move_for_movmem): ... this. Also change all uses.
10047 (bfin_expand_strmov): Renamed to...
10048 (bfin_expand_movmem): ... this. Also change all uses.
10049 * config/bfin/bfin.md (movstrsi): Renamed to...
10050 (movstrsi): ...this.
10052 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10054 PR tree-optimization/26830
10056 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10057 (copy_prop_visit_stmt): Remove write-only variable ann.
10058 (init_copy_prop): Check variable loop depth here. Do not simulate
10059 memory-tag and virtual operand PHIs except for store copy prop.
10061 2006-03-30 Richard Guenther <rguenther@suse.de>
10063 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10064 variants with double arguments.
10066 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10068 * genpreds.c (write_tm_constrs_h): Delete variable p.
10069 * genconditions.c (write_header): Add tm-constrs.h to included
10071 * genpeep.c (main): Add toplev.h to included headers.
10072 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10073 (build/genpeep.o): Add toplev.h dependency.
10074 * config/rs6000/constraints.md: Add "W" constraint.
10076 2006-03-29 Roger Sayle <roger@eyesopen.com>
10078 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10079 sizes by correctly testing whether the size fits a host integer.
10080 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10081 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10082 SImode range for the default sizetype and bitsizetype.
10084 2006-03-29 Roger Sayle <roger@eyesopen.com>
10086 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10087 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10088 quickly if the argument is already of the correct type.
10089 Call fold_build1 instead of build1. Tidy up blank lines.
10091 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10093 * genemit.c (main): Add tm-constrs.h to included headers.
10094 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10095 * genpeep.c (main): Add tm-constrs.h to included headers.
10096 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10097 (write_tm_constrs_h): this and write complete file.
10098 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10099 (write_insn_preds_c): Add tm-constrs.h to included headers.
10100 (gen_constrs): New variable.
10101 (parse_option): Parse "-c".
10102 (main): Invoke write_tm_constrs_h.
10103 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10104 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10105 (object_out_file): Add tm-constrs.h dependency.
10106 (insn-emit.o): Same.
10107 (insn-output.o): Same.
10108 (insn-peep.o): Same.
10109 (insn-preds.o): Same.
10110 (insn-recog.o): Same.
10111 (tm-constsr.h): New target.
10112 (s-constrs-h): New target.
10114 * config/rs6000/constraints.md: New file.
10115 * config/rs6000/rs6000.c: Include tm-constrs.h.
10116 (num_insn_constant_wide): Convert to satisfies_constraint.
10117 (rs6000_rtx_costs): Convert to satisfies_constraint.
10118 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10119 (CONST_OK_FOR_LETTER_P): Delete.
10120 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10121 (EXTRA_CONSTRAINT): Delete.
10122 (EXTRA_MEMORY_CONSTRAINT): Delete.
10123 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10124 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10125 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10126 satisfies_constraint.
10128 * config/i386/i386.c: Include tm-constrs.h.
10130 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10132 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10133 * tree-data-ref.c (find_data_references_in_loop,
10134 compute_data_dependences_for_loop): Use pointers to VEC.
10135 (analyze_all_data_dependences): Adjust calls.
10136 * tree-data-ref.h (find_data_references_in_loop,
10137 compute_data_dependences_for_loop): Adjust declarations.
10138 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10139 compute_data_dependences_for_loop.
10141 2006-03-29 Paul Brook <paul@codesourcery.com>
10143 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10144 (movdf_vfp): Ditto.
10146 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10148 PR tree-optimization/26859
10149 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10151 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10152 for the step after fold_convert.
10154 2006-03-29 Paul Brook <paul@codesourcery.com>
10156 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10157 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10159 2006-03-29 Paul Brook <paul@codesourcery.com>
10161 PR middle-end/23623
10162 * targhooks.c (default_narrow_bitfield): New fuction.
10163 * targhooks.h (default_narrow_bitfield): add prototype.
10164 * target.h (gcc_target): Add narrow_volatile_bitfield.
10165 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10166 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10167 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10168 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10170 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10172 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10174 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10175 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10176 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10177 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10178 (s390_function_arg_float): Allow SDmode and DDmode values to be
10179 passed in floating point registers.
10180 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10181 check with SCALAR_FLOAT_MODE_P.
10182 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10184 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10186 PR tree-optimization/25985
10187 * tree-ssa-loop-niter.c (number_of_iterations_le,
10188 number_of_iterations_ne): Make comments more precise.
10189 (number_of_iterations_cond): Add only_exit argument. Use the
10190 fact that signed variables do not overflow only when only_exit
10192 (loop_only_exit_p): New.
10193 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10194 number_of_iterations_cond.
10196 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10198 PR tree-optimization/26643
10199 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10202 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10204 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10205 (divsi3_i4_int): Likewise.
10207 2006-03-28 Roger Sayle <roger@eyesopen.com>
10209 * expr.c (emit_group_store): Only create a new pseudo reg if the
10210 quantity it needs to hold isn't already a suitable pseudo.
10212 2006-03-28 Jeff Law <law@redhat.com>
10214 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10215 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10217 2006-03-28 Roger Sayle <roger@eyesopen.com>
10219 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10220 the equivalent ~X & Y, and the symmetry related transformations.
10221 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10222 ~X & Y, and symmetry related transforms.
10224 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10226 Revert my 2006-03-27 patches.
10228 2006-03-28 Roger Sayle <roger@eyesopen.com>
10230 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10231 ~(T1)X, when T1 and T2 are integer types of the same precision
10232 and (T2)X isn't an extension.
10234 2006-03-28 Jeff Law <law@redhat.com>
10236 PR tree-optimization/26796
10237 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10238 need EH edge cleanups rather than purging them immediately.
10239 (eliminate_degenerate_phis): Handle queued EH cleanups.
10241 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10243 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10246 2006-03-27 Roger Sayle <roger@eyesopen.com>
10248 PR middle-end/22524
10249 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10250 cast BIT_NOT_EXPR operand to the correct type.
10252 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10254 * tree-loop-linear.c: Don't include varray.h.
10255 (gather_interchange_stats, try_interchange_loops,
10256 linear_transform_loops): Use VEC instead of VARRAY.
10257 * lambda-mat.c: Don't include varray.h.
10258 * tree-chrec.c: Same.
10259 * lambda-trans.c: Same.
10260 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10261 VEC instead of VARRAY.
10262 * tree-vectorizer.h: Idem.
10263 * tree-data-ref.c (dump_data_references,
10264 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10265 initialize_data_dependence_relation, finalize_ddr_dependent,
10266 compute_all_dependences, find_data_references_in_loop,
10267 compute_data_dependences_for_loop, analyze_all_data_dependences,
10268 free_dependence_relation, free_dependence_relations,
10269 free_data_refs): Idem.
10270 * tree-data-ref.h (data_reference_p, subscript_p): New.
10271 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10272 VEC instead of VARRAY.
10273 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10274 (find_data_references_in_loop, compute_data_dependences_for_loop,
10275 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10276 dump_data_dependence_relations, free_dependence_relations,
10277 free_data_refs): Adjust declaration.
10278 (lambda_transform_legal_p): Move declaration here...
10279 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10280 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10281 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10282 vect_analyze_data_refs): Use VEC instead of VARRAY.
10283 * lambda.h (lambda_transform_legal_p): ...from here.
10284 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10285 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10286 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10287 tree-chrec.o): Don't depend on VARRAY_H.
10289 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10291 * rtl.def (Copyright): Update date.
10292 (DEPS_LIST): Change type of the second operand to 'int'.
10293 * target.h (Copyright): Update date.
10294 (struct gcc_target.speculate_insn): Change type of the second parameter
10296 * lists.c (Copyright): Update date.
10297 (alloc_DEPS_LIST): Change signature. Update reference to the second
10298 operand of the DEPS_LIST.
10299 (copy_DEPS_LIST_list): Update reference to the second operand of the
10301 * rtl.h (Copyright): Update date.
10302 (alloc_DEPS_LIST): Update signature.
10303 * sched-int.h (Copyright): Update date.
10304 (ds_t): Change typedef to 'int'.
10305 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10307 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10309 * haifa-sched.c (Copyright): Update date.
10310 (try_ready): Change condition to restore non-speculative pattern
10311 of the instruction.
10312 (process_insn_depend_be_in_spec): Code to keep probability of the
10313 speculative dependence non-decreasing.
10315 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10317 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10318 shut up the compiler.
10320 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10322 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10323 to use lib prefix for target.
10324 ($(T)libic_invalidate_array_4-200.a): Likewise.
10325 ($(T)libic_invalidate_array_4a.a): Likewise.
10327 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10328 J"orn Rennecke <joern.rennecke@st.com>
10330 * superh.opt: New file.
10331 * sh.c (boardtype, osruntime): Remove.
10332 * superh.h (SUBTARGET_OPTIONS): Remove.
10333 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10335 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10336 arguments with ^ and/or [].
10338 * config.gcc (sh-*-*): Add quoting to account for quirk of
10340 Replace == with = in enable_incomplete_targets test.
10342 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10343 with MASK_LITTLE_ENDIAN.
10345 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10346 * config/sh/sh.opt: Added to some comments.
10347 * config/sh/superh.h: Removed some chaff.
10349 * config/sh/sh.opt: Add m4-[1234]00* options.
10350 * config/sh/sh.c (sh_handle_option): Likewise.
10351 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10352 (ic_invalidate_array_4-100.o): New rule.
10353 ($(T)libic_invalidate_array_4-100.a): Likewise.
10354 (ic_invalidate_array_4-200.o): Likewise.
10355 ($(T)libic_invalidate_array_4-200.a): Likewise.
10356 (ic_invalidate_array_4a.o): Likewise.
10357 ($(T)libic_invalidate_array_4a.a): Likewise.
10358 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10359 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10361 * config/sh/crt1.asm: Merged in profiling code.
10362 * config/sh/superh.h (STARTFILE_SPEC): Override.
10363 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10364 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10365 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10367 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10368 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10369 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10371 * sh.opt (mpretend-cmove): New option.
10372 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10373 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10374 (movsicc): Add TARGET_PRETEND_CMOVE code.
10376 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10378 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10379 s390_class_max_nregs): New function prototypes.
10380 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10381 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10382 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10383 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10385 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10387 * dwarf2out.c (add_location_or_const_value_attribute): Call
10388 tree_add_const_value_attribute if nothing else works.
10389 (reference_to_unused): New.
10390 (rtl_for_decl_init): Use reference_to_unused to decide whether
10391 to output an initializer.
10393 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10396 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10397 peephole removing spe frob_di_df_2.
10399 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10401 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10402 (subscript_dependence_tester_1): Declared.
10403 (print_dir_vectors, print_dist_vectors): New.
10404 (debug_data_dependence_relation): New.
10405 (dump_data_dependence_relation): Print more details.
10406 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10407 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10408 (save_dist_v, save_dir_v, add_outer_distances,
10409 build_classic_dist_vector_1): New.
10410 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10411 Don't test for lambda_vector_lexico_pos.
10412 (same_access_functions, add_multivariate_self_dist,
10413 add_other_self_distances, dir_from_dist): New.
10414 (build_classic_dir_vector): Replace implementation almost identical to
10415 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10417 (subscript_dependence_tester_1): New.
10418 (subscript_dependence_tester): Handle the lexicographically negative
10419 distance vectors by recomputing the dependence relation.
10420 (compute_affine_dependence): Remove parameter loop_nest_depth.
10421 (compute_self_dependence): Don't call compute_subscript_distance.
10422 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10423 Add a parameter for the loop_nest.
10424 (find_loop_nest_1, find_loop_nest): New.
10425 (compute_data_dependences_for_loop): Compute the loop nest, and give
10426 up if the nest is not well formed.
10427 * tree-data-ref.h (loop_p): New.
10428 (struct data_dependence_relation): Replace size_vect field with
10429 loop_nest, a vec of loops.
10430 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10431 (DDR_LOOP_NEST): New.
10432 (print_dir_vectors, print_dist_vectors,
10433 debug_data_dependence_relation): Declared.
10434 (index_in_loop_nest): New.
10435 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10436 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10439 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10441 * simplify-rtx.c (simplify_relational_operation): Call
10442 simplify_relational_operation_1 even if mode is VOIDmode.
10444 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10446 PR tree-optimization/26804
10447 * tree.h (DECL_CALL_CLOBBERED): New macro.
10448 (tree_decl_common): Add call_clobbered_flag.
10449 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10450 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10451 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10452 (mark_non_addressable): Ditto.
10453 * tree-ssa.c (verify_call_clobbered): New function.
10454 (verify_alias_info): Use it.
10455 * tree-pass.h (pass_reset_cc_flags): New prototype.
10456 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10457 (reset_cc_flags): New function.
10458 * passes.c (init_optimization_passes): Call reset_cc_flags after
10459 initializing referenced_vars.
10461 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10462 Roger Sayle <roger@eyesopen.com>
10464 PR middle-end/26717
10465 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10466 to 1.0 for non-real operands. Implement A / A optimization for
10469 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10471 * config/i386/i386.c (size_cost): Correct the comment for
10472 cost of storing fp registers.
10473 (i386_cost): Likewise.
10474 (i486_cost): Likewise.
10475 (pentium_cost): Likewise.
10476 (pentiumpro_cost): Likewise.
10477 (k6_cost): Likewise.
10478 (athlon_cost): Likewise.
10479 (k8_cost): Likewise.
10480 (pentium4_cost): Likewise.
10481 (nocona_cost): Likewise.
10482 (generic64_cost): Likewise.
10483 (generic32_cost): Likewise.
10485 2006-03-24 Denis Chertykov <denisc@overta.ru>
10487 * config/avr/avr-protos.h (extra_constraint): Delete.
10488 (extra_constraint_Q): New declaration.
10489 * config/avr/constraints.md: New file.
10490 * config/avr/avr.md: Include it.
10491 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10492 (TMP_REGNO, ZERO_REGNO): Likewise.
10493 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10494 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10495 (extra_constraint): Delete.
10496 (extra_constraint_Q): Test for memory constraint 'Q'.
10497 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10498 (REG_CLASS_FROM_LETTER): Delete.
10499 (CONST_OK_FOR_LETTER_P): Delete.
10500 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10501 (EXTRA_CONSTRAINT): Delete.
10502 (TMP_REGNO): Delete.
10503 (ZERO_REGNO): Delete.
10505 2006-03-24 Jeff Law <law@redhat.com>
10507 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10508 directly. Call mark_new_vars_to_rename slightly earlier.
10510 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10512 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10513 (is_cxx): Likewise.
10514 (gen_compile_unit_die): Use new language types for Objective-C and
10516 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10517 DW_LANG_C_plus_plus.
10520 * config/t-darwin (crt3.o): Work around bug 26840.
10521 * config/darwin-crt3.c: Rewrite.
10522 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10524 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10526 * doc/invoke.texi: Document -femit-class-debug-always
10527 * common.opt: Add -femit-class-debug-always.
10529 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10531 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10532 index and base register.
10533 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10534 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10535 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10536 REGNO_OK_FOR_INDEX_P.
10537 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10539 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10540 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10541 REG_OK_FOR_BASE_P): Definitions removed.
10543 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10545 PR middle-end/26611
10546 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10547 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10548 set yet or weren't marked as local yet.
10550 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10552 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10555 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10557 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10558 (rs6000_legitimate_small_data_p): Delete.
10559 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10560 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10561 and make static. Add forward declaration. Update uses.
10562 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10563 of offsettable_memref_p.
10564 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10565 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10567 2006-03-24 Jeff Law <law@redhat.com>
10569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10570 around bug in immediate-use iterator.
10572 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10575 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10576 or __LITTLE_ENDIAN__.
10578 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10580 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10581 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10582 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10583 * config/sh/sh.opt (mdiv=): Amend description.
10584 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10585 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10586 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10587 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10588 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10589 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10590 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10591 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10592 TARGET_DIVIDE_CALL_FP.
10594 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10596 * haifa-sched.c (choose_ready): Fix type of the local variable.
10597 Move local variables. Add comment.
10598 (check_reg_live): Change signature. Make callable from debugger.
10599 * sched-int.h (check_reg_live): Update signature.
10600 * sched-ebb.c (check_reg_live): Update parameters.
10601 * sched-rgn.c (check_reg_live): Ditto.
10602 (region_head_or_leaf_p): Check pointer before dereferencing.
10603 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10604 before reload on optimization levels below 1.
10606 2006-03-23 Richard Henderson <rth@redhat.com>
10608 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10612 * config/alpha/predicates.md (local_symbolic_operand): Reject
10615 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10618 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10619 expressions which have overflowed constants.
10621 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10623 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10625 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10627 * cfgloopmanip.c (create_loop_notes): Removed.
10628 * final.c (final_scan_insn): Do not handle loop notes.
10629 * jump.c (squeeze_notes): Ditto.
10630 * cfglayout.c (skip_insns_after_block,
10631 duplicate_insn_chain): Ditto.
10632 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10634 * cfgloop.h (create_loop_notes): Declaration removed.
10636 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10638 * varasm.c (output_constant_pool): Restore fnname and fndecl
10640 (assemble_start_function): Adjust call accordingly.
10641 (assemble_end_function): Likewise.
10643 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10646 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10649 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10651 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10654 * system.h (ICE_EXIT_CODE): New macro.
10655 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10656 (diagnostic_action_after_output): Likewise.
10657 * gcc.c (fatal_ice): New function.
10658 (execute): Use it instead of fatal.
10659 (fancy_abort): Likewise.
10660 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10662 2006-03-22 Jeff Law <law@redhat.com>
10664 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10665 iv_analyze_result returning false.
10667 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10669 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10671 2006-03-22 Richard Henderson <rth@redhat.com>
10673 PR middle-end/26084
10674 * except.c (duplicate_eh_regions_0): New.
10675 (duplicate_eh_region_1): Duplicate the children of the node as
10676 well as the node itself. Link them up properly.
10677 (duplicate_eh_region_2): Merge into ...
10678 (duplicate_eh_regions): ... here. Take copy_region argument, and
10679 copy only a sub-tree if asked. Simplify copying and fixup.
10680 (eh_region_outer_p): New.
10681 * except.h (duplicate_eh_regions): Update decl.
10682 (eh_region_outer_p): Declare.
10683 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10684 (lower_omp_master): Likewise.
10685 (lower_omp_ordered): Likewise.
10686 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10687 (move_stmt_r): Use it to remap labels. Handle recursion vs
10688 remap_decls_p properly.
10689 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10690 (find_outermost_region_in_block): New.
10691 (new_label_mapper): New.
10692 (move_sese_region_to_fn): Copy eh information to the new function
10694 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10696 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10699 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10701 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10702 into shared libraries.
10704 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10706 * doc/md.texi: Refer to i386/constraints.md instead of
10707 i386/predicates.md.
10708 * config/i386/constraints.md: New file, extracted from...
10709 * config/i386/predicates.md: ...here.
10710 * config/i386/i386.md: Include constraints.md.
10712 2006-03-21 Jason Merrill <jason@redhat.com>
10714 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10716 PR middle-end/20297
10717 * expr.c (init_block_move_fn): Force default visibility.
10718 (init_block_clear_fn): Likewise.
10719 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10720 * targhooks.c (default_external_stack_protect_fail): Likewise.
10722 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10724 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10725 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10726 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10727 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10728 (loadgp): Use mips_current_loadgp_style.
10729 (loadgp_noshared): New pattern.
10730 (sibcall_internal): Use MIPS_CALL.
10731 (sibcall_value_internal): Likewise.
10732 (sibcall_value_multiple_internal): Likewise.
10733 (call_internal): Likewise.
10734 (call_value_internal): Likewise.
10735 (call_value_multiple_internal): Likewise.
10736 (call_split): Use MIPS_CALL and add an 'S' constraint.
10737 (call_value_split): Likewise.
10738 (call_value_multiple_split): Likewise.
10739 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10740 (-mshared): New option.
10741 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10742 (mips_current_loadgp_style): Declare.
10743 * config/mips/mips.c (mips_classify_symbol): Avoid using
10744 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10745 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10746 TARGET_ABSOLUTE_ABICALLS.
10747 (override_options): Adjust comments. Improve the warning that is
10748 issued when -mabicalls and -G are used together.
10749 (mips_file_start): Remove comment.
10750 (mips_current_loadgp_style): New function.
10751 (mips_gnu_local_gp): New variable.
10752 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10754 (mips_output_function_prologue): Use mips_current_laodgp_style.
10755 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10756 the cprestore instruction.
10757 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10758 live for TARGET_ABSOLUTE_ABICALLS.
10759 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10760 (ASM_SPEC): Pass down -mshared and -mno-shared.
10761 (MIPS_CALL): New macro.
10762 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10764 * doc/invoke.texi (-mabicalls): Update documentation.
10765 (-mshared): Document.
10767 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10769 * config/ia64/unwind-hpux.c: New file.
10770 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10772 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10775 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10777 2006-03-21 Jeff Law <law@redhat.com>
10779 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10780 type conversions of a VR_VARYING source to a wider type.
10782 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10784 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10785 tm_file on Solaris 10 and later.
10786 (sparc64-*-solaris2*): Likewise.
10787 (sparc-*-solaris2*): Likewise.
10788 * config/sol26.h: Rename to config/sol2-6.h.
10789 * config/sol2-10.h: New file.
10791 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10794 * tree-ssa-pre.c (create_component_ref_by_pieces):
10797 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10800 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10801 return it immediately.
10803 2006-03-21 Michael Matz <matz@suse.de>
10805 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10807 (remove_arc, add_arc): Update num_out_arcs member.
10808 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10810 (cache_presence): New function.
10811 (compare_states_for_equiv): New function.
10812 (state_is_differed): Don't take number of outargs, adjust callers.
10813 Use new invariant for speeding up.
10814 (init_equiv_class): Create initial classes based on sorted
10816 (partition_equiv_class): Don't track out_arcs_num.
10817 (evaluate_equiv_classes): Call cache_presence on all states and
10820 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10822 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10823 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10824 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10825 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10827 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10828 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10829 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10830 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10831 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10833 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10834 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10835 (REGNO_REG_CLASS): ARGP is in PREGS.
10836 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10838 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10839 to deal with those addresses.
10840 * addresses.h: New file.
10841 * caller-save.c: Include "addresses.h".
10842 (init_caller_save): Use new base_reg_class function.
10843 * rtl-factoring.c: Include "addresses.h".
10844 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10845 * recog.c: Include "addresses.h".
10846 (preprocess_constraints): Use new base_reg_class function.
10847 * regrename.c: Include "addresses.h".
10848 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10849 functions. Keep track of a new var INDEX_CODE to compute valid
10851 (replace_oldest_value_addr): Likewise.
10852 (replace_oldest_value_mem): Use base_reg_class.
10853 * reload.c: Include "addresses.h".
10854 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10855 (find_reloads): Use new base_reg_class function.
10856 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10857 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10858 all callers and prototype changed.
10859 * reload1.c: Include "addresses.h".
10860 (maybe_fix_stack_asms): Use base_reg_class.
10861 * regclass.c: Include "addresses.h".
10862 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10863 (init_reg_autoinc): Use new base_reg_class function.
10864 (record_reg_classes): Likewise.
10865 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10866 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10867 Use new args to compute necessary class.
10869 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10870 regrename.o, rtl-factoring.o): Update dependencies.
10871 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10872 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10873 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10874 REG_OK_FOR_INDEX_P): Delete documentation.
10876 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10878 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10879 from V7 to V9 for Solaris 7 and above.
10881 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10883 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10884 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10885 argument pointers may not alias any other storage.
10886 * common.opt: Define option -fargument-noalias-anything.
10887 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10888 alias semantics is specified by flag_argument_noalias > 2.
10890 2006-03-20 Jeff Law <law@redhat.com>
10892 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10893 (pass_phi_only_cprop): Declare.
10894 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10895 with phi_only_cprop
10896 * tree-ssa-dom.c (degenerate_phi_result): New function.
10897 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10898 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10899 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10900 (eliminate_degenerate_phis): Likewise.
10901 (pass_phi_only_cprop): New pass descriptor.
10902 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10903 support code. Callers updated.
10904 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10905 (store_copy_prop): Likewise.
10906 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10908 2006-03-20 Jason Merrill <jason@redhat.com>
10911 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10912 (push_visibility, pop_visibility): Likewise.
10913 * c-pragma.h: Declare them.
10915 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10917 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10919 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10920 parameter and use get_ebb_head_tail.
10921 (sh_md_init_global): Adjust uses of find_regmode_weight.
10923 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10925 * function.h (struct function) <x_tail_recursion_reentry>:
10926 Rename to x_stack_check_probe_note.
10927 (tail_recursion_reentry): Rename to stack_check_probe_note.
10928 * function.c: Replace tail_recursion_reentry with
10929 stack_check_probe_note everywhere.
10930 (expand_function_start): Only emit a note for
10931 stack_check_probe_note with -fstack-protect.
10932 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10934 * emit-rtl.c (remove_unnecessary_notes): Remove.
10935 (pass_remove_unnecessary_notes): Remove.
10936 * rtl.h (remove_unnecessary_notes): Remove prototype.
10937 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10938 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10939 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10941 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10944 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10945 (valid_in_set): Handle ARRAY_REF.
10946 Change "if min_variant or VH" to asserts.
10947 (create_component_ref_by_pieces): Handle ARRAY_REF.
10948 (create_expression_by_pieces): Likewise.
10949 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10951 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10953 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10954 is operand of switch, not str[0].
10956 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10958 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10959 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10961 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10963 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10964 end of insn_extra_address_constraint declaration.
10966 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10968 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10969 (no-sum-in-toc): Same.
10970 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10972 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10973 NO_FP_IN_TOC for -fPIC instead of mask.
10975 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10976 (BOOT_LDFLAGS): Delete.
10978 * config/rs6000/t-aix52: Same.
10980 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10981 (stmsi[345678]_power): New.
10983 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10985 * config/ia64/ia64.opt: Add empty line to end of file.
10987 2006-03-17 Richard Guenther <rguenther@suse.de>
10989 PR middle-end/26721
10990 * builtins.c (get_pointer_alignment): For component style references
10991 adjust alignment to the component type alignment. Make sure
10992 to adjust alignment for component access of constants.
10994 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10996 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10997 unconditional jump.
10999 2006-03-17 Paul Brook <paul@codesourcery.com>
11001 * doc/install.texi: Docuemnt --with-mode.
11002 * config.gcc: Add --with-mode for arm*-*-*.
11003 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11005 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11007 * sh.c (max_labelno_before_reorg): New variable.
11008 (sh_reorg): Initialize it.
11009 (find_barrier): Check max_labelno_before_reorg before using
11010 label_to_alignment. Take length of explicit alignment insns
11011 into account. When seeing a UNSPECV_CONST_END, return it.
11013 * sh.c (fixup_mova): Set mode of affected label to QImode.
11014 (untangle_mova): New function.
11015 (find_barrier): Use it. Check mode of label before decrementing
11017 (sh_reorg): Likewise.
11018 Set mode of all insns back to VOIDmode.
11020 * sh.c (MOVA_LABELREF): New macro.
11021 (mova_p, fixup_mova, sh_reorg): Use it.
11022 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11023 ADDR_DIFF_VEC matches mova.
11025 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11027 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11028 with ATTRIBUTE_UNUSED.
11030 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11032 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11033 pointer, instead of assuming it is possible to derive the
11034 correct args size from a call insn.
11036 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11038 * rtl.h (CONST_INT_P): Define.
11039 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11040 instead of GET_CODE(x) == CONST_INT.
11041 (vax_rtx_costs): Likewise.
11042 (vax_output_int_move): Likewise.
11043 (vax_output_int_add): Likewise.
11044 (legitimate_constant_address_p): Likewise.
11045 (index_term_p): Likewise.
11046 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11047 * config/vax/vax.md (and<mode>3): Likewise.
11048 (ashrsi3): Likewise.
11050 (movstricthi): Likewise.
11051 (movstrictqi): Likewise.
11052 (rotrsi3): Likewise.
11053 (five unnamed insns): Likewise.
11055 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11057 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11058 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11059 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11060 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11061 Pass to ASM_OUTPUT_DWARF_OFFSET.
11062 * dwarf2out.c (debug_frame_section): New.
11063 (output_call_frame_info): Use debug_frame_section. Pass it to
11064 dw2_asm_output_offset.
11065 (output_die): Pass appropriate section to dw2_asm_output_offset.
11066 (output_compilation_unit_header): Likewise.
11067 (output_pubnames): Likewise.
11068 (output_aranges): Likewise.
11069 (enum dw_val_class): Break dw_val_class_lbl_offset into
11070 dw_val_class_lineptr and dw_val_class_macptr.
11071 (add_AT_lbl_offset): Delete.
11072 (add_AT_lineptr): New.
11073 (add_AT_macptr): New.
11074 (AT_lbl): Expect a lineptr or macptr.
11075 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11076 (attr_checksum): Likewise.
11077 (same_dw_val_p): Likewise.
11078 (size_of_die): Likewise.
11079 (value_format): Likewise.
11080 (output_die): Likewise.
11081 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11083 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11084 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11085 * config/darwin-protos.h (darwin_file_start): New.
11086 (darwin_asm_output_dwarf_offset): New.
11087 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11088 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11090 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11091 if not EH section; simplify.
11092 (darwin_file_start): New.
11093 (darwin_asm_output_dwarf_offset): New.
11094 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11096 (DEBUG_INFO_SECTION): Likewise.
11097 (DEBUG_ABBREV_SECTION): Likewise.
11098 (DEBUG_ARANGES_SECTION): Likewise.
11099 (DEBUG_MACINFO_SECTION): Likewise.
11100 (DEBUG_LINE_SECTION): Likewise.
11101 (DEBUG_LOC_SECTION): Likewise.
11102 (DEBUG_PUBNAMES_SECTION): Likewise.
11103 (DEBUG_STR_SECTION): Likewise.
11104 (DEBUG_RANGES_SECTION): Likewise.
11105 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11106 (ASM_OUTPUT_DWARF_OFFSET): New.
11108 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11110 * config.gcc (tm_defines): Always add to previous value rather
11113 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11115 * config/mips/predicates.md (splittable_const_int_operand): New,
11116 split from move_operand.
11117 (splittable_symbolic_operand): New.
11118 (move_operand): Add commentary. Use splittable_const_int_operand.
11119 Inline mips_atomic_symbolic_constant_p.
11120 * config/mips/mips.md: Add combine splitters for handling moves
11121 of splittable_const_int_operands and splittable_symbolic_operands.
11122 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11123 (mips_split_symbol): Declare.
11124 (mips_move_integer): Declare.
11125 * config/mips/mips.c (mips_split_p): Make global.
11126 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11127 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11128 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11129 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11130 (mips_offset_within_object_p): Handle block symbols.
11131 (mips_atomic_symbolic_constant_p): Delete.
11132 (mips_cannot_force_const_mem): Return false for constants that
11133 mips_legitimize_move can handle.
11134 (mips_use_blocks_for_constant_p): New function.
11135 (mips_split_symbol): Make global.
11136 (mips_move_integer): Likewise. Add a temporary register argument.
11137 (mips_legitimize_const_move): Use splittable_const_int_operand and
11138 splittable_symbolic_operand.
11139 (mips_use_anchors_for_symbol_p): New function.
11140 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11141 (mips_split_p): Declare.
11143 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11145 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11146 (mips*-*-linux*): Likewise.
11148 2006-03-16 Roger Sayle <roger@eyesopen.com>
11149 Daniel Speyer <dspeyer@wam.umd.edu>
11151 PR middle-end/18259
11152 * tree-dump.c (dump_real): New function.
11153 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11154 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11155 (tree-dump.o): Add $(REAL_H) to the dependencies.
11157 2006-03-16 Roger Sayle <roger@eyesopen.com>
11159 PR middle-end/21781
11160 * real.c (real_from_string): If the mantissa is zero, don't bother
11161 parsing the exponent as the result should always be zero.
11163 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11165 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11169 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11170 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11171 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11172 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11173 ia64_sched_finish_global): New static functions to implement
11174 hooks from gcc_target.sched.
11175 (spec_check_no, max_uid, pending_data_specs): New static variables.
11176 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11177 ia64_spec_check_src_p): New static functions.
11178 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11179 (TARGET_SCHED_ADJUST_COST): Removed.
11180 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11181 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11182 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11183 TARGET_SCHED_GEN_CHECK,
11184 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11185 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11186 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11187 Fixed to handle speculation checks.
11188 (rtx_needs_barrier): Fixed to handle speculative loads and
11190 (ia64_variable_issue): Added code to count speculative loads and their
11192 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11194 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11196 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11198 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11199 (ia64_reorg): Reset stops_p to NULL after it is freed.
11200 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11201 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11202 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11204 (data_speculative, control_speculative, check_load): New attributes.
11205 (mov<mode>_advanced, mov<mode>_speculative,
11206 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11207 zero_extend<mode>di2_speculative,
11208 zero_extend<mode>di2_speculative_advanced): New patterns for
11209 data and control speculative loads.
11210 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11212 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11213 New pattern for data and control speculation checks.
11214 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11215 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11216 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11217 Auxiliary definitions for the patterns.
11218 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11219 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11221 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11223 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11224 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11225 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11226 New resource constraints.
11227 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11229 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11230 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11231 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11232 msched-in-control-spec, msched-ldc, msched-control-ldc,
11233 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11234 msched-prefer-non-control-spec-insns,
11235 msched-count-spec-in-critical-path): New flags to tune speculative
11237 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11238 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11239 msched-in-control-spec, msched-ldc, msched-control-ldc,
11240 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11241 msched-prefer-non-control-spec-insns,
11242 msched-count-spec-in-critical-path): Document new flags.
11244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11246 * target.h (struct spec_info_def): New opaque declaration.
11247 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11248 speculate_insn, needs_block_p, gen_check,
11249 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11250 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11251 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11252 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11253 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11254 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11256 (TARGET_SCHED): Use new macros.
11257 * rtl.h (copy_DEPS_LIST_list): New prototype.
11258 * sched-int.h (struct sched_info): Change signature of new_ready field,
11259 adjust all initializations. New fields: add_remove_insn,
11260 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11261 region_head_or_leaf_p.
11262 (struct spec_info_def): New structure declaration.
11263 (spec_info_t): New typedef.
11264 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11265 recovery_block, orig_pat.
11266 (glat_start, glat_end): New variables declaraions.
11267 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11269 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11270 DETACH_LIFE_INFO, USE_GLAT.
11271 (enum SPEC_SCHED_FLAGS): New enumeration.
11272 (NOTE_NOTE_BB_P): New macro.
11273 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11274 attach_life_info, debug_spec_status, check_reg_live): New functions.
11275 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11276 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11278 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11279 * ddg.c (get_block_head_tail): Adjust all uses.
11280 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11281 (sms_sched_info): Initialize new fields.
11282 (contributes_to_priority): Removed.
11283 * haifa-sched.c (params.h): New include.
11284 (get_block_head_tail): Adjust all uses.
11285 (ISSUE_POINTS): New macro.
11286 (glat_start, glat_end): New global variables.
11287 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11288 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11289 old_last_basic_block, before_recovery, current_sched_info_var,
11290 rgn_n_insns, luid): New static variables.
11291 (insn_cost1): New function. Move logic from insn_cost to here.
11292 (find_insn_reg_weight1): New function. Move logic from
11293 find_insn_reg_weight to here.
11294 (reemit_notes, move_insn, max_issue): Change signature.
11295 (move_insn1): Removed.
11296 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11297 extend_bb): New static functions to support extension of scheduler's
11299 (generate_recovery_code, process_insn_depend_be_in_spec,
11300 begin_speculative_block, add_to_speculative_block,
11301 init_before_recovery, create_recovery_block, create_check_block_twin,
11302 fix_recovery_deps): New static functions to support
11303 generation of recovery code.
11304 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11305 restore_bb_notes, move_block_after_check, move_succs): New static
11306 functions to support ebb scheduling.
11307 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11308 functions to support handling of register live information.
11309 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11310 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11311 add_jump_dependencies): New static functions.
11312 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11313 consistancy checking.
11314 (debug_spec_status): New function to call from debugger.
11315 (priority): Added code to handle speculation checks.
11316 (rank_for_schedule): Added code to distinguish speculative instructions.
11317 (schedule_insn): Added code to handle speculation checks.
11318 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11319 Fixed to handle ebbs.
11320 (move_insn): Added code to handle ebb scheduling.
11321 (max_issue): Added code to use ISSUE_POINTS of instructions.
11322 (choose_ready): Added code to choose between speculative and
11323 non-speculative instructions.
11324 (schedule_block): Added code to handle ebb scheduling and scheduling of
11325 speculative instructions.
11326 (sched_init): Initialize new variables.
11327 (sched_finish): Free new variables. Print statistics.
11328 (try_ready): Added code to handle speculative instructions.
11329 * lists.c (copy_DEPS_LIST_list): New function.
11330 * sched-deps.c (extend_dependency_caches): New function. Move logic
11331 from create_dependency_caches to here.
11332 (get_dep_weak, ds_merge): Make global.
11333 * genattr.c (main): Code to output prototype for
11334 dfa_clear_single_insn_cache.
11335 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11336 (output_dfa_clean_insn_cache_func): Code to output
11337 dfa_clear_single_insn_cache function.
11338 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11340 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11342 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11343 New static variables.
11344 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11345 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11347 (ebb_sched_info): Initialize new fields.
11348 (get_block_head_tail): Adjust all uses.
11349 (compute_jump_reg_dependencies): Fixed to use glat_start.
11350 (schedule_ebb): Code to remove unreachable last block.
11351 (schedule_ebbs): Added code to update register live information.
11352 * sched-rgn.c (region_sched_info): Initialize new fields.
11353 (get_block_head_tail): Adjust all uses.
11354 (last_was_jump): Removed. Adjust users.
11355 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11356 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11357 Implement new hooks.
11358 (check_dead_notes1): New static function.
11359 (struct region): New fields: dont_calc_deps, has_real_ebb.
11360 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11361 (BB_TO_BLOCK): Fixed to handle EBBs.
11362 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11363 (ebb_head): New static variable.
11364 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11365 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11367 (compute_dom_prob_ps): New assertion.
11368 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11369 global_live_at_start.
11370 (init_ready_list): New assertions.
11371 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11372 (new_ready): Add support for BEGIN_CONTROL speculation.
11373 (schedule_insns): Fixed code that updates register live information
11375 (schedule_region): Fixed to handle EBBs.
11376 (init_regions): Use extend_regions and check_dead_notes1.
11377 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11378 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11379 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11380 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11381 TARGET_SCHED_GEN_CHECK,
11382 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11383 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11384 * doc/invoke.texi (max-sched-insn-conflict-delay,
11385 sched-spec-prob-cutoff): Document.
11387 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11389 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11390 inter_tick, queue_index.
11391 (struct sched_info): Change signature of init_ready_list field.
11392 Adjust all initializations.
11393 (RESOLVED_DEPS): New access macro.
11394 (ready_add): Remove prototype.
11395 (try_ready): Add prototype.
11396 * sched-rgn.c (init_ready_list): Use try_ready.
11397 (schedule_region): Initialize
11398 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11399 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11400 (init_ready_list): Use try_ready.
11401 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11402 * lists.c (remove_list_elem): Remove `static'.
11403 (remove_free_INSN_LIST_elem): New function.
11404 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11405 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11406 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11408 (readyp): New variable.
11409 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11410 change_queue_index, resolve_dep): New static functions.
11411 (try_ready): New function. Adjust callers in sched-rgn.c and
11412 sched-ebb.c to use it instead of ready_add.
11413 (clock_var): Move at the begining of file.
11414 (rank_for_schedule): Fix typo.
11415 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11416 (ready_lastpos): Enforce assertion.
11417 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11418 update all callers.
11419 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11420 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11421 (queue_to_ready): Use free_INSN_LIST_list.
11422 (early_queue_to_ready): Fix typo.
11423 (schedule_block): Init readyp. Move init_ready_list call after the
11424 initialization of clock_var. Fix error in rejecting insn by
11425 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11426 that previously corrected INSN_TICKs. Add code for handling
11428 (set_priorities): Fix typo.
11429 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11430 Clarify comment and code that keeps current_sched_info->next_tail
11433 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11435 * sched-rgn.c (extend_rgns): New static function.
11436 (find_rgns): Use it.
11437 (gather_region_statistics, print_region_statistics): New static
11439 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11440 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11443 Andrey Belevantsev <abel@ispras.ru>
11445 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11446 * lists.c (unused_deps_list): New variable.
11447 (free_list): Add assertions to verify the proper distinguishing
11448 between INSN_LISTs and DEPS_LISTs.
11449 (find_list_elem, remove_list_elem, remove_list_node): New static
11451 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11452 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11453 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11454 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11456 (free_INSN_LIST_node): Likewise.
11457 * modulo-sched.c (current_sched_info): Initialize flags field.
11458 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11459 * rtl.def (DEPS_LIST): Define.
11460 * rtl.h: Declare new functions from lists.c.
11461 * sched-deps.c (spec_dependency_cache): New static variable.
11462 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11463 (add_dependence): Change return type to void. Move the logic to ...
11464 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11465 (delete_all_dependences): Add comment about forward_dependency_cache.
11466 Handle spec_dependency_cache. Handle DEPS_LISTs.
11467 (fixup_sched_groups): Clarify the change of priority of output
11468 and anti dependencies.
11469 (sched_analyze_2): Adjust add_dependence calls to create data
11470 speculative dependence.
11471 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11472 Adjust all callers. Handle DEPS_LISTS.
11473 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11474 presence of speculation.
11475 (init_dependency_caches, free_dependency_caches):
11476 Handle spec_dependency_cache.
11477 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11478 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11479 New static functions.
11480 (add_or_update_back_dep, add_or_update_back_forw_dep,
11481 add_back_forw_dep, delete_back_forw_dep): New functions.
11482 * sched-int.h (ds_t, dw_t): New typedefs.
11483 (struct sched_info): Add new field flags.
11484 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11485 Prototype new sched-deps.c functions.
11486 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11487 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11488 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11489 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11490 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11491 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11493 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11495 * sched-rgn.c (current_sched_info): Initialize flags field.
11496 (schedule_insns): Initialize current_sched_info before the sched_init
11498 * sched-ebb.c (current_sched_info): Initialize flags field.
11499 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11500 Call add_or_update_back_dep instead of add_dependence.
11501 Create control speculative dependencies.
11502 (schedule_insns): Initialize current_sched_info before the sched_init
11505 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11507 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11509 (sh_fallback_frame_state): Likewise.
11511 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11513 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11514 Do switch on default_use_cxa_atexit.
11515 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11516 * config/darwin-crt3.o: New.
11517 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11518 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11519 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11521 * config/rs6000/t-darwin: Move crt2.o building to here.
11522 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11523 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11526 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11528 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11529 from '! xxx' to '!xxx' for coding-style conformance.
11530 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11531 (EXTRA_CONSTRAINT): Likewise.
11532 * config/vax/vax.md (four unnamed insns): Likewise.
11534 2006-03-15 Paul Brook <paul@codesourcery.com>
11536 * config/arm/arm.c (minipool_pad): New.
11537 (add_minipool_forward_ref): Include pool alignment padding in address
11539 (push_minipool_fix): Set minipool_pad.
11540 (minipool_pad): Ditto.
11542 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11544 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11545 instead of GET_CODE() == MEM and REG_P() instead of
11547 (print_operand_address): Likewise.
11548 (vax_address_cost): Likewise.
11549 (vax_rtx_costs): Likewise.
11550 (vax_notice_update_cc): Likewise.
11551 (vax_output_int_add): Likewise.
11552 (INDEX_REGISTER_P): Likewise.
11553 (BASE_REGISTER_P): Likewise.
11554 (nonindexed_address_p): Likewise.
11555 (vax_mode_dependent_address_p): Likewise.
11556 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11557 (PRINT_OPERAND): Likewise.
11558 * config/vax/vax.md (ashlsi3): Likewise.
11559 (ashlsi3): Likewise.
11560 (some more unnamed insns): Likewise.
11562 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11564 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11565 iterator-style macro.
11566 (mark_control_dependent_edges_necessary): Update the use of
11567 EXECUTE_IF_CONTROL_DEPENDENT.
11569 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11571 * config/sh/predicates.md (cache_address_operand): Special.
11572 (ua_address_operand): Likewise.
11574 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11576 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11578 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11580 2006-03-15 Andreas Schwab <schwab@suse.de>
11582 * gensupport.c (identify_predicable_attribute): Don't free p_false
11583 when it is still in use.
11585 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11587 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11588 the default setting here.
11590 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11592 * tree-pass.h (pass_cfg): Remove.
11593 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11594 * passes.c (pass_cfg): Don't run it.
11596 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11598 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11599 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11601 (stack_regs_mentioned): Update the uses of
11602 stack_regs_mentioned_data. Don't access the array beyond its
11604 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11605 Don't include gt-reg-stack.h.
11607 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11608 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11610 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11612 PR middle-end/26684
11613 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11616 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11618 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11620 2006-03-14 Richard Guenther <rguenther@suse.de>
11622 PR tree-optimization/26672
11623 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11626 2006-03-14 Richard Guenther <rguenther@suse.de>
11628 PR tree-optimization/26667
11629 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11630 node for the callees. Always allow inlining if it will shrink
11633 2006-03-14 Richard Guenther <rguenther@suse.de>
11635 PR middle-end/26659
11636 * builtins.c (get_pointer_alignment): Prefer alignment
11637 information from decls over that from types.
11639 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11642 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11644 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11646 * config/rs6000/rs6000.opt (mdlmzb): New option.
11647 (msched-prolog, msched-epilog): Use Var not Mask.
11648 * doc/invoke.texi (-mdlmzb): Document.
11649 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11651 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11652 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11654 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11656 PR rtl-optimization/25739
11657 * bt-load.c (augment_live_range): Free tos pointer.
11659 * gensupport.c (identify_predicable_attribute): Free
11661 * gcov.c (create_file_names): Free name pointer.
11663 2006-03-13 Roger Sayle <roger@eyesopen.com>
11665 PR middle-end/26557
11666 * stmt.c (emit_case_nodes): Handle the case where the index is a
11667 CONST_INT, where the comparison mode is specified by the index type.
11669 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11671 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11674 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11676 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11677 (*branch_fp_inverted): Likewise.
11679 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11681 PR middle-end/25989
11682 * omp-low.c (expand_omp_for_generic): Mark istart0
11683 and iend0 as addressable.
11685 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11687 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11689 2006-03-13 Jeff Law <law@redhat.com>
11691 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11692 virtual operands are interesting.
11693 (vrp_visit_stmt): Corresponding changes.
11695 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11697 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11699 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11700 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11701 * config/bfin/crti.S: Use it instead of __PIC__.
11702 * config/bfin/crtn.S: Likewise.
11704 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11705 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11707 Lose 'G' modifier for call operand.
11708 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11709 recognize 'G' modifier.
11711 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11713 PR middle-end/18859
11714 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11715 * stmt.c (expand_case): Likewise.
11717 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11719 PR rtl-optimization/26254
11720 * loop-invariant.c (seq_insns_valid_p): New function.
11721 (move_invariant_reg): Only emit new code if it is valid.
11723 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11725 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11727 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11728 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11729 (commit_one_edge_insertion): Do not look for loop notes.
11731 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11733 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11734 flag_test_coverage out of loop.
11736 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11738 * final.c (shorten_branches): Remove outdated comment, and turn
11739 the if branch that guards it to continue.
11741 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11743 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11744 * cfgloop.h (struct loop): Remove unused fields.
11746 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11748 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11749 (-dL, -fdump-rtl-loop2): Update the dump file names
11751 * doc/invoke.texi: Update dump file names.
11753 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11755 * predict.c (estimate_probability): Remove.
11756 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11757 * basic-block.h (estimate_probability): Remove prototype.
11758 * passes.c (finish_optimization_passes): Dump branch prediction or
11759 profiling heuristics to the .profile tree dump.
11760 (init_optimization_passes): Unqueue pass_branch_prob.
11762 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11764 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11766 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11767 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11769 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11771 * function.h (frame_offset_overflow): Declare.
11772 * function.c (frame_offset_overflow): New function.
11773 (assign_stack_local_1): Call it to detect that the offset overflows.
11774 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11776 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11778 * config/sh/sh.c: Include alloc-pool.h.
11779 (label_ref_list_pool): New alloc pool.
11780 (label_ref_list_t): New type for lists of labels.
11781 (struct pool_node): Make wend a label_ref_list_t.
11782 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11784 (dump_table): Likewise.
11785 (sh_reorg): Set up the alloc pool before using add_constant and
11786 dump_table, and destroy it when finishing.
11788 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11790 * config/mips/mips.c: Remove redundant comment.
11792 2006-03-10 Jason Merrill <jason@redhat.com>
11795 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11796 the target was declared 'register'.
11798 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11800 * genpreds.c (write_insn_constraint_len): Change definition of
11801 insn_constraint_len to return size_t to match the declaration.
11803 2006-03-10 DJ Delorie <dj@redhat.com>
11805 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11807 (m32c_expand_insv): Fix test for an AND mask.
11809 2006-03-10 Richard Guenther <rguenther@suse.de>
11811 PR middle-end/26565
11812 * builtins.c (get_pointer_alignment): Handle component
11813 references for field alignment.
11815 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11817 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11818 when building with libgloss.
11819 (sh*elf): Implement --without-fp option.
11820 (sh64-superh-linux*): Don't multilib.
11822 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11824 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11826 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11828 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11829 Set it when one of the replacement functions returned true.
11830 Return TODO_cleanup_cfg if cfgchanged is true.
11831 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11833 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11835 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11836 instead of gen_lowpart.
11838 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11840 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11842 (mips_output_order_conditional_branch): Declare.
11843 * config/mips/mips.h (MIPS_BRANCH): New macro.
11844 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11845 for the comparison. Use gen_condjump.
11846 (mips_output_conditional_branch): Rework interface to take the
11847 asm templates for a direct branch and the inverse of a direct branch.
11848 (mips_output_order_conditional_branch): New function.
11849 (mips_builtin_branch_and_move): New function.
11850 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11851 branch condition. Use gen_single_cc as the condition for
11852 __builtin_mips_upper_* or __builtin_mips_lower_*.
11853 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11854 Use VOIDmode for the branch condition.
11855 * config/mips/predicates.md (order_operator): New predicate.
11856 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11857 (branch_fp): Rename to...
11858 (*branch_fp): ...this. Remove mode from comparison operator.
11859 Use new mips_output_conditional_branch interface.
11860 (branch_fp_inverted): Rename to...
11861 (*branch_fp_inverted): ...this and update as for *branch_fp.
11862 (*branch_zero<mode>): Rename to...
11863 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11864 Use mips_output_order_conditional_branch. Only accept ordered
11866 (*branch_zero<mode>_inverted): Rename to...
11867 (*branch_order<mode>_inverted): ...this and update as for
11868 *branch_order<mode>.
11869 (*branch_equality<mode>): Accept zero as the second operand to
11870 the equality operator. Use the new mips_output_conditional_branch
11872 (*branch_equality<mode>_inverted): Likewise.
11873 (condjump): New expander.
11874 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11876 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11877 (bc1any2t, bc1any2f): Likewise.
11878 (single_cc): New expander.
11879 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11881 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11883 * doc/md.texi: Update documentation of MIPS constraints.
11884 * config/mips/constraints.md: New file.
11885 * config/mips/mips.md: Include it.
11886 * config/mips/mips.c (mips_char_to_class): Delete.
11887 (override_options): Don't initialize mips_char_to_class.
11888 * config/mips/mips.h (mips_char_to_class): Delete.
11889 (REG_CLASS_FROM_LETTER): Delete.
11890 (CONST_OK_FOR_LETTER_P): Delete.
11891 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11892 (EXTRA_CONSTRAINT_Y): Delete.
11893 (EXTRA_CONSTRAINT_STR): Delete.
11894 (CONSTRAINT_LEN): Delete.
11895 (EXTRA_MEMORY_CONSTRAINT): Delete.
11897 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11899 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11900 original fn's eh regions.
11902 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11904 * fold-const.c (build_range_check): Make sure to use a valid type to
11905 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11908 (range_predecessor): New static function.
11909 (range_successor): Likewise.
11910 (merge_ranges): Use them to compute predecessors and successors of
11913 2006-03-09 Roger Sayle <roger@eyesopen.com>
11915 PR middle-end/26561
11916 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11917 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11919 2006-03-08 DJ Delorie <dj@redhat.com>
11921 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11922 (addpsi3): Expand to include memory operands. Remove
11923 reload-specific splits.
11924 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11925 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11926 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11927 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11928 (shift1_qi, shift1_hi, insv): New.
11929 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11930 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11931 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11933 * config/m32c/m32c-protos.h: Update as needed.
11934 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11935 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11936 Fail for unrecognized R* constraints.
11937 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11938 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11939 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11941 (m32c_init_libfuncs): New.
11942 (m32c_legitimate_address_p): Add debug wrapper.
11943 (m32c_rtx_costs): New.
11944 (m32c_address_cost): New.
11945 (conversions): Add 'B' prefix.
11946 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11947 operands, or word regnames for QI operands. 'B' prints bit
11949 (m32c_expand_setmemhi): New.
11950 (m32c_expand_movmemhi): New.
11951 (m32c_expand_movstr): New.
11952 (m32c_expand_cmpstr): New.
11953 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11954 (m32c_expand_neg_mulpsi3): Handle non-ints.
11955 (m32c_cmp_flg_0): New.
11956 (m32c_expand_movcc): New.
11957 (m32c_expand_insv): New.
11958 (m32c_scc_pattern): New.
11959 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11960 a0/a1 out of SIregs.
11961 (STORE_FLAG_VALUE): New.
11962 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11965 * config/m32c/mov.md: Make constraints more liberal.
11966 (zero_extendqihi2): Optimize r0/r1 case.
11967 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11968 * config/m32c/predicates.md (m32c_any_operand): New.
11969 (m32c_nonimmediate_operand): New.
11970 (m32c_hl_operand): New.
11971 (m32c_r3_operand): New.
11974 (memsym_operand): New.
11975 (memimmed_operand): New.
11976 (a_qi_operand): New.
11977 (m32c_eqne_operator): New.
11978 (m32c_1bit8_operand): New.
11979 (m32c_1bit16_operand): New.
11980 (m32c_1mask8_operand): New.
11981 (m32c_1mask16_operand): New.
11982 * config/m32c/blkmov.md: New file.
11983 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11985 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11987 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11988 unsigned to fix signed/unsigned comparison issue in
11989 DWARF2_FRAME_REG_OUT.
11990 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11991 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11993 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11994 of ptr into the ENABLE_CHECKING section.
11996 2006-03-08 Jeff Law <law@redhat.com>
11998 * tree-vrp.c (infer_value_range): Only count pointer uses
11999 and dereferences if -fdelete-null-pointer-checks is enabled.
12001 * tree-vrp.c (find_assert_locations): Infer value ranges for
12002 single use pointers, but do not create ASSERT_EXPRs for them.
12003 When a non-null range is inferred for a pointer, backwards
12004 propagate that range to other equivalent pointers through the
12007 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12010 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12011 language hook targets.
12012 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12013 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12014 if language hook targets were missing.
12016 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12018 * tree-ssa-opfinalize.h: Removed.
12019 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12021 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12022 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12023 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12024 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12025 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12026 finalize_ssa_v_must_def_ops): New.
12028 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12030 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12031 block as parameter.
12033 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12035 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12037 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12038 addresses with offsets; reorganize.
12040 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12041 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12042 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12044 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12047 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12049 2006-03-08 Ben Elliston <bje@au.ibm.com>
12051 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12053 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12056 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12059 2006-03-07 Richard Guenther <rguenther@suse.de>
12061 PR tree-optimization/26587
12062 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12064 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12066 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12068 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12070 * hooks.c (hook_bool_mode_rtx_true): New function.
12071 * hooks.h (hook_bool_mode_rtx_true): Declare.
12072 * toplev.c (compile_file): Call output_shared_constant_pool.
12073 * varasm.c (shared_constant_pool): New variable.
12074 (assemble_start_function, assemble_end_function): Remove arguments
12075 from call to output_constant_pool.
12076 (create_constant_pool): New function, split out from...
12077 (init_varasm_status): ...here.
12078 (force_const_mem): Choose between the shared and per-function constant
12079 pools. Set current_function_uses_const_pool when reusing old entries
12080 as well as when creating new ones.
12081 (mark_constant): Ignore data argument.
12082 (mark_constants): Remove pool argument.
12083 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12084 to decide whether the function uses a constant pool.
12085 (output_constant_pool_contents): New function, split out from...
12086 (output_constant_pool): ...here.
12087 (output_shared_constant_pool): New function.
12088 (init_varasm_once): Initialize shared_constant_pool.
12089 * output.h (output_constant_pool): Delete.
12090 (output_shared_constant_pool): Declare.
12091 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12092 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12094 2006-03-06 Nick Clifton <nickc@redhat.com>
12096 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12097 flag_strength_reduce.
12099 2006-03-06 Ben Elliston <bje@au.ibm.com>
12101 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12102 x86_64-*-linux* configurations.
12104 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12105 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12107 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12109 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12111 * basic-block.h: Remove the extern for
12112 rediscover_loops_after_threading.
12114 * cfgloop.c (cancel_loop): Make it static.
12115 * cfgloop.h: Remove the prototype for cancel_loop.
12117 * flow.c (recompute_reg_usage): Make it static.
12118 * rtl.h: Remove the prototype for recompute_reg_usage.
12120 * function.c (use_return_register): Make it static.
12121 * function.h: Remove the prototype.
12123 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12125 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12127 * recog.h: Remove the prototype for
12128 validate_change_maybe_volatile.
12130 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12132 * rtlanal.c (replace_reg): Remove.
12133 * rtl.h: Remove the prototype for replace_reg.
12135 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12137 * regclass.c (reg_scan_update): Remove.
12138 (reg_scan_mark_refs): Remove the last argument.
12139 * rtl.h: Remove the prototype for reg_scan_update.
12141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12143 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12144 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12145 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12146 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12147 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12148 loop-invariant.c, omp-low.c, opts.c, passes.c,
12149 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12150 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12151 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12152 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12153 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12154 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12156 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12158 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12159 * dwarf2out.h: Remove the prototype for
12160 dwarf2out_add_library_unit_info.
12162 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12164 * tree.c (add_var_to_bind_expr): Remove.
12165 * tree.h: Remove the prototype for add_var_to_bind_expr.
12167 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12169 * regclass.c (n_non_fixed_regs): Remove.
12170 (init_reg_sets_1, globalize_reg): Remove all uses of
12172 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12174 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12176 * rtlanal.c (insns_safe_to_move_p): Remove.
12177 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12179 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12181 * expmed.c (expand_mult_add): Remove.
12182 * expr.h: Remove the prototype for expand_mult_add.
12184 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12186 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12187 and REG_SAVED_VAL_EXP constants.
12188 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12189 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12190 Handle regs stored by value.
12191 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12192 (execute_cfa_program): Handle DW_CFA_val_offset,
12193 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12194 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12195 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12196 (uw_install_context_1): Handle target regs stored by value.
12198 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12200 * tree-sra.c (tree_sra): Return todoflags;
12201 (generate_one_element): Set TODO_update_smt_usage if needed.
12202 (pass_sra): Remove TODO_update_smt_usage.
12203 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12205 (tree_ssa_forward_propagate_single_use_vars): Return
12206 TODO_update_smt_usage if we need to update SMT usage.
12207 (pass_forwprop): Remove TODO_update_smt_usage.
12209 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12211 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12212 (correct_use_link): Remove reference to get_stmt_operands.
12213 (update_stmt_operands): Likewise.
12214 (get_modify_expr_operands): New function factored out of
12215 parse_ssa_operands and get_expr_operands.
12216 Try to create V_MUST_DEFs for LHS by default.
12217 (get_expr_operands) <case MODIFY_EXPR>: Call
12218 get_modify_expr_operands.
12219 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12220 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12221 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12222 get_modify_expr_operands.
12224 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12226 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12227 * tree-flow.h: Remove the prototype for
12228 referenced_var_lookup_if_exists.
12230 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12232 PR rtl-optimization/26345
12234 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12236 2006-03-03 Roger Sayle <roger@eyesopen.com>
12238 PR tree-optimization/26524
12239 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12240 fold_convert to create a constant of the appropriate type.
12242 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12244 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12245 SYMBOL_REF_IN_BLOCK_P.
12246 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12247 of SYMBOL_FLAG_IN_BLOCK.
12248 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12249 instead of SYMBOL_REF_IN_BLOCK_P.
12250 * explow.c (use_anchored_address): Likewise.
12251 * rtl.c (rtx_size): Likewise.
12252 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12253 instead of SYMBOL_FLAG_IN_BLOCK.
12254 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12255 SYMBOL_REF_IN_BLOCK_P.
12256 (assemble_variable): Likewise.
12257 (output_constant_def_contents): Likewise.
12258 (output_constant_pool): Likewise.
12259 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12260 instead of SYMBOL_FLAG_IN_BLOCK.
12261 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12262 SYMBOL_REF_IN_BLOCK_P.
12263 (SYMBOL_REF_BLOCK): Likewise.
12264 (SYMBOL_REF_OFFSET): Likewise.
12265 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12266 SYMBOL_REF_IN_BLOCK_P.
12267 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12268 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12269 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12270 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12272 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12274 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12276 2006-03-02 Roger Sayle <roger@eyesopen.com>
12278 * simplify-rtx.c (simplify_unary_operation): When simplifying
12279 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12280 that we perform the right shift in the appropriate mode, and
12281 then extend or truncate the result to requested mode.
12283 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12285 * gengtype.c (main): Handle double_int type.
12286 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12287 * double-int.c: New file.
12288 * double-int.h: New file.
12289 * system.h: Include doubleint.h.
12290 * Makefile.in (SYSTEM_H): Include double-int.h.
12291 (double-int.o): Add.
12293 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12296 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12299 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12301 * tree-vrp.c (remove_range_assertions): Do not update statements
12304 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12306 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12308 * gcse.c (rest_of_handle_gcse): Ditto.
12309 * except.c (gate_handle_eh): Ditto.
12310 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12311 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12313 2006-03-02 Eric Christopher <echristo@apple.com>
12315 * config/i386/i386.c (machopic_output_stub): Add indirection to
12318 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12322 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12324 Sun Niagara specific optimizations.
12325 * config.gcc: Recognize niagara as target.
12326 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12327 (TARGET_CPU_niagara): Define.
12328 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12329 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12330 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12331 (ASM_CPU_SPEC): Likewise.
12332 (PROCESSOR_NIAGARA): New enum entry.
12333 (REGISTER_MOVE_COST): Handle Niagara.
12334 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12335 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12336 (sparc_override_options): Recognize "niagara", set appropriate
12337 default MASK_* values for it, and align functions to 32-bytes
12338 by default just like ULTRASPARC/ULTRASPARC3.
12339 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12340 (sparc64_initialize_trampoline): Likewise.
12341 (sparc_use_sched_lookahead): Use zero for niagara.
12342 (sparc_issue_rate): Use one for niagara.
12343 * config/sparc/niagara.md: New file.
12344 * config/sparc/sparc.md: Include it.
12345 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12346 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12347 when default cpu is niagara.
12348 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12349 (ASM_CPU_SPEC): Likewise.
12350 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12351 when default cpu is niagara.
12352 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12353 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12354 just like v9/ultrasparc/ultrasparc3.
12355 * doc/invoke.texi: Add documentation for "niagara" and improve
12356 existing documentation for ultrasparc variants.
12358 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12360 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12362 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12364 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12365 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12366 and say that only one is needed.
12367 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12368 * target.h (have_switchable_bss_sections): New hook.
12369 * explow.c (use_anchored_address): Check that the symbol is in a block.
12370 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12371 (bss_noswitch_section): New variables.
12372 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12373 (get_noswitch_section): New function.
12374 (get_block_for_section): Allow SECT to be null.
12375 (unlikely_text_section_p): Use SECTION_STYLE.
12376 (bss_initializer_p): New function.
12377 (get_variable_section): Move earlier in file. Take a new argument,
12378 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12379 Return one of the new *_sections in such cases.
12380 (get_block_for_decl): New function, extracting some logic from
12381 use_blocks_for_decl_p.
12382 (change_symbol_section): Remove in favor of...
12383 (change_symbol_block): ...this new function.
12384 (use_blocks_for_decl_p): Remove checks now performed by
12385 get_block_for_decl.
12386 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12387 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12388 (emit_local, emit_bss, emit_common): ...these new functions.
12389 Return true if the alignment was honored.
12390 (emit_tls_common): New function.
12391 (asm_emit_uninitialised): Delete.
12392 (assemble_variable_noswitch): New function, split out from...
12393 (assemble_variable): ...here. Don't make decisions about common
12394 variables here. Globalize all public decls that go into non-common
12395 sections. Check whether SYMBOL_REF_BLOCK is null.
12396 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12397 (output_constant_pool): Likewise.
12398 (init_varasm_once): Initialize the new section variables.
12399 (have_global_bss_p): New function.
12400 (categorize_decl_for_section): Use bss_initializer_p.
12401 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12402 (place_block_symbol): Assert that the symbol must be in a block.
12403 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12404 (TARGET_INITIALIZER): Include it.
12405 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12406 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12407 (SECTION_MACH_DEP): Bump by two.
12408 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12409 (unnamed_section): Mention SECTION_UNNAMED in comment.
12410 (named_section): Likewise SECTION_NAMED.
12411 (noswitch_section_callback): New type.
12412 (noswitch_section): New structure.
12413 (section): Add a noswitch_section alternative.
12414 (SECTION_STYLE): New macro.
12415 (tls_comm_section, comm_section, lcomm_section): Declare.
12416 (bss_noswitch_section, have_global_bss_p): Declare.
12417 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12418 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12420 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12421 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12424 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12426 * tree-vrp.c (execute_vrp): Return value.
12427 * regrename.c (rest_of_handle_regrename): Ditto.
12428 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12429 * tree-complex.c (tree_lower_complex): Ditto.
12430 (tree_lower_complex_O0): Ditto.
12431 * tracer.c (rest_of_handle_tracer): Ditto.
12432 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12433 * postreload.c (rest_of_handle_postreload): Ditto.
12434 * tree-tailcall.c (execute_tail_recursion): Ditto.
12435 (execute_tail_calls): Ditto.
12436 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12437 * tree.h (init_function_for_compilation): Ditto.
12438 * ipa-cp.c (ipcp_driver): Ditto.
12439 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12440 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12441 * final.c (compute_alignments): Ditto.
12442 (rest_of_handle_final): Ditto.
12443 (rest_of_handle_shorten_branches): Ditto.
12444 (rest_of_clean_state): Ditto.
12445 * omp-low.c (execute_expand_omp): Ditto.
12446 (execute_lower_omp): Ditto.
12447 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12448 * ipa-reference.c (static_execute): Ditto.
12449 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12450 * reorg.c (rest_of_handle_delay_slots): Ditto.
12451 (rest_of_handle_machine_reorg): Ditto.
12452 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12453 * flow.c (recompute_reg_usage): Ditto.
12454 (rest_of_handle_remove_death_notes): Ditto.
12455 (rest_of_handle_life): Ditto.
12456 (rest_of_handle_flow2): Ditto.
12457 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12458 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12459 (do_ssa_store_ccp): Ditto.
12460 (execute_fold_all_builtins): Ditto.
12461 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12462 * modulo-sched.c (rest_of_handle_sms): Ditto.
12463 * ipa-pure-const.c (static_execute): Ditto.
12464 * cse.c (rest_of_handle_cse): Ditto.
12465 (rest_of_handle_cse2): Ditto.
12466 * web.c (rest_of_handle_web): Ditto.
12467 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12468 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12469 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12470 * tree-nrv.c (tree_nrv): Ditto.
12471 (execute_return_slot_opt): Ditto.
12472 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12473 (create_structure_vars): Ditto.
12474 * loop-init.c (rtl_loop_init): Ditto.
12475 (rtl_loop_done): Ditto.
12476 (rtl_move_loop_invariants): Ditto.
12477 (rtl_unswitch): Ditto.
12478 (rtl_unroll_and_peel_loops): Ditto.
12479 (rtl_doloop): Ditto.
12480 * gimple-low.c (lower_function_body): Ditto.
12481 (mark_used_blocks): Ditto.
12482 * tree-ssa-sink.c (execute_sink_code): Ditto.
12483 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12484 (cgraph_early_inlining): Ditto.
12485 * global.c (rest_of_handle_global_alloc): Ditto.
12486 * jump.c (cleanup_barriers): Ditto.
12487 (purge_line_number_notes): Ditto.
12488 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12489 (rest_of_handle_if_after_reload): Ditto.
12490 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12491 (tree_ssa_loop_im): Ditto.
12492 (tree_ssa_loop_unswitch): Ditto.
12493 (tree_vectorize): Ditto.
12494 (tree_linear_transform): Ditto.
12495 (tree_ssa_loop_ivcanon): Ditto.
12496 (tree_ssa_empty_loop): Ditto.
12497 (tree_ssa_loop_bounds): Ditto.
12498 (tree_complete_unroll): Ditto.
12499 (tree_ssa_loop_prefetch): Ditto.
12500 (tree_ssa_loop_ivopts): Ditto.
12501 (tree_ssa_loop_done): Ditto.
12502 * predict.c (tree_estimate_probability): Ditto.
12503 * recog.c (split_all_insns_noflow): Ditto.
12504 (rest_of_handle_peephole2): Ditto.
12505 (rest_of_handle_split_all_insns): Ditto.
12506 * tree-eh.c (lower_eh_constructs): Ditto.
12507 * regmove.c (rest_of_handle_regmove): Ditto.
12508 (rest_of_handle_stack_adjustments): Ditto.
12509 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12510 * function.c (instantiate_virtual_regs): Ditto.
12511 (init_function_for_compilation): Ditto.
12512 (rest_of_handle_check_leaf_regs): Ditto.
12513 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12514 (rest_of_handle_gcse): Ditto.
12515 * ipa-type-escape.c (type_escape_execute): Ditto.
12516 * alias.c (rest_of_handle_cfg): Ditto.
12517 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12518 * profile.c (rest_of_handle_branch_prob): Ditto.
12519 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12520 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12521 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12522 * tree-dfa.c (find_referenced_vars): Ditto.
12523 * except.c (set_nothrow_function_flags): Ditto.
12524 (convert_to_eh_region_ranges): Ditto.
12525 (rest_of_handle_eh): Ditto.
12526 * emit-rtl.c (unshare_all_rtl): Ditto.
12527 (remove_unnecessary_notes): Ditto.
12528 * except.h (set_nothrow_function_flags): Ditto.
12529 (convert_to_eh_region_ranges): Ditto.
12530 * cfgexpand.c (tree_expand_cfg): Ditto.
12531 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12532 * tree-ssa-pre.c (do_pre): Ditto.
12533 (execute_fre): Ditto.
12534 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12535 (rest_of_handle_jump2): Ditto.
12536 * tree-sra.c (tree_sra): Ditto.
12537 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12538 (execute_mudflap_function_decls): Ditto.
12539 * tree-ssa-copy.c (do_copy_prop): Ditto.
12540 (do_store_copy_prop): Ditto.
12541 * ipa-prop.h (ipcp_driver): Ditto.
12542 * cfglayout.c (insn_locators_initialize): Ditto.
12543 * tree-ssa-forwprop.c
12544 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12545 * cfglayout.h (insn_locators_initialize): Ditto.
12546 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12547 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12548 (execute_late_warn_uninitialized): Ditto.
12549 * rtl.h (cleanup_barriers): Ditto.
12550 (split_all_insns_noflow): Ditto.
12551 (purge_line_number_notes): Ditto.
12552 (unshare_all_rtl): Ditto.
12553 (remove_unnecessary_notes): Ditto.
12554 (recompute_reg_usage): Ditto.
12555 (variable_tracking_main): Ditto.
12556 * integrate.c (emit_initial_value_sets): Ditto.
12557 * integrate.h (emit_initial_value_sets): Ditto.
12558 * tree-optimize.c (execute_free_datastructures): Ditto
12559 (execute_free_cfg_annotations): Ditto.
12560 (execute_fixup_cfg): Ditto.
12561 (execute_cleanup_cfg_pre_ipa): Ditto.
12562 (execute_cleanup_cfg_post_optimizing): Ditto.
12563 (execute_init_datastructures): Ditto.
12564 * tree-object-size.c (compute_object_sizes): Ditto.
12565 * combine.c (rest_of_handle_combine): Ditto.
12566 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12567 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12568 (rest_of_handle_reorder_blocks): Ditto.
12569 (rest_of_handle_partition_blocks): Ditto.
12570 * var-tracking.c (variable_tracking_main): Ditto.
12571 * tree-profile.c (tree_profiling): Ditto.
12572 * tree-vect-generic.c (expand_vector_operations): Ditto.
12573 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12574 * sched-rgn.c (rest_of_handle_sched): Ditto.
12575 (rest_of_handle_sched2): Ditto.
12576 * basic-block.h (free_bb_insn): Ditto.
12577 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12578 * tree-cfg.c (execute_build_cfg): Ditto.
12579 (remove_useless_stmts): Ditto.
12580 (split_critical_edges): Ditto.
12581 (execute_warn_function_return): Ditto.
12582 (execute_warn_function_noreturn): Ditto.
12583 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12584 * cfgrtl.c (free_bb_for_insn): Ditto.
12585 * passes.c (execute_one_pass): Run additional
12586 todos returned by execute function.
12587 * tree-pass.h (struct tree_opt_pass): Make execute
12590 2006-03-02 Richard Guenther <rguenther@suse.de>
12592 * tree-ssa-alias.c (find_used_portions): Consider taking
12593 the address as making the variable not write-only.
12595 2006-03-02 Nick Clifton <nickc@redhat.com>
12597 * config.gcc (default_use_cxa_atexit): Extend the description of
12598 this configure variable. Set its default value to "yes" for
12599 Linux, NetBSD and ELF targets on the assumption that they will
12600 use C libraries with the __cxa_atexit function.
12602 2006-03-02 Ben Elliston <bje@au.ibm.com>
12604 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12605 parameter as unused to suppress a build warning.
12607 2006-03-02 Ben Elliston <bje@au.ibm.com>
12609 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12612 2006-03-01 Roger Sayle <roger@eyesopen.com>
12615 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12616 declared name, the weak reference name, and the typeof name.
12617 (__gthrw): Avoid expanding the declared name suffix.
12618 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12620 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12622 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12624 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12625 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12626 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12627 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12628 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12629 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12630 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12631 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12632 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12633 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12634 (DW_END_default, DW_END_big, DW_END_little): New.
12635 (DW_END_lo_user, DW_END_hi_user): Define.
12636 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12637 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12638 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12641 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12643 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12645 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12647 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12649 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12651 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12652 to 'symbol_mem_tag'.
12654 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12657 2006-03-01 Roger Sayle <roger@eyesopen.com>
12659 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12661 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12664 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12665 MACHO_DYNAMIC_NO_PIC_P.
12666 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12668 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12671 * config/darwin-protos.h (darwin_asm_output_anchor):
12673 * config/darwin-sections.def (cstring_section):
12674 Add SECTION_MERGE to the flags.
12675 (literal4_section): Likewise.
12676 (literal8_section): Likewise.
12677 (objc_selector_refs_section): Likewise.
12678 (objc_cls_refs_section): Likewise.
12679 * config/darwin.c (darwin_asm_output_anchor): New
12681 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12683 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12685 Fix PR tree-optimization/26443
12686 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12687 to todo and PROP_tmt_usage to properties_destroyed.
12688 * tree-ssa-ccp.c (pass_ccp): Ditto.
12689 (pass_store_ccp): Ditto.
12690 * tree-ssa-dom.c (pass_dominator): Ditto.
12692 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12694 * tree-ssa-operands.c: Cleanup whitespace.
12695 (get_asm_expr_operands): Move before first invocation.
12696 (get_indirect_ref_operands): Likewise.
12697 (get_tmr_operands): Likewise.
12698 (get_call_expr_operands): Likewise.
12699 (append_def): Likewise.
12700 (append_use): Likewise.
12701 (append_v_may_def): Likewise.
12702 (append_v_must_def): Likewise.
12703 (add_call_clobber_ops): Likewise.
12704 (add_call_read_ops): Likewise.
12705 (add_stmt_operand): Likewise.
12706 (add_virtual_operand): Likewise.
12707 (build_ssa_operands): Likewise.
12709 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12711 PR middle-end/26022
12713 PR middle-end/24437
12714 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12715 with a call expr to ...
12716 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12718 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12720 * tree-vrp.c (extract_range_from_assert): Remove special
12721 handling for types with super-types.
12723 2006-03-01 Ben Elliston <bje@au.ibm.com>
12725 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12726 and powerpc64-*-linux* configurations.
12727 * config/t-dfprules: New file.
12729 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12730 Compile dfp-bit.c from the source directory using -DWIDTH and
12731 $DFP_CFLAGS to control the compilation of that file, rather than
12732 generating width-specific versions in the build directory.
12733 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12734 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12736 2006-02-28 Zack Weinberg <zackw@panix.com>
12738 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12741 2006-02-28 Eric Christopher <echristo@apple.com>
12743 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12744 Set up IN_LIBGCC definition of TARGET_64BIT.
12745 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12747 2006-02-28 Roger Sayle <roger@eyesopen.com>
12749 PR middle-end/14752
12750 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12751 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12752 cases via the construction of "expr != 0".
12754 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12756 * alias.c (alias_invariant, alias_invariant_size): Remove.
12757 (record_base_value): Remove.
12758 (memrefs_conflict_p): Don't look at alias_invariant.
12759 (end_alias_analysis): Don't free it.
12760 * alias.h (record_base_value): Remove prototype.
12762 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12763 Adam Nemet <anemet@caviumnetworks.com>
12765 * rtl.h (truncated_to_mode): Declare it.
12766 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12767 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12768 (RTL_HOOKS_INITIALIZER): Include it.
12769 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12770 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12771 reg_truncated_to_mode.
12772 * rtlanal.c (truncated_to_mode): Define it.
12773 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12775 2006-02-28 Jeff Law <law@redhat.com>
12777 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12778 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12779 the range allowed by TYPE_PRECISION.
12781 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12783 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12785 PR tree-optimization/26419
12786 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12789 2006-02-27 Zack Weinberg <zackw@panix.com>
12791 * doc/md.texi: Fix typo in previous change.
12793 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12797 2006-02-27 Zack Weinberg <zackw@panix.com>
12799 * rtl.def (define_constraint, define_register_constraint)
12800 (define_memory_constraint, define_address_constraint): New MD forms.
12801 * gensupport.c (process_rtx): Put define_constraint etc on the
12803 * genpreds.c (process_define_predicate): Adjust comment. Validate
12804 the name, and call validate_exp to validate the expression.
12805 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12806 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12807 all callers changed.
12808 (validate_exp, needs_variable, struct constraint_data)
12809 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12810 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12811 (const_dbl_constraints, constraint_max_namelen)
12812 (have_register_constraints, have_memory_constraints)
12813 (have_address_constraints, have_address_constraints)
12814 (have_extra_constraints, have_const_int_constraints)
12815 (have_const_dbl_constraints, mangle, add_constraint)
12816 (process_define_constraint, process_define_register_constraint)
12817 (write_enum_constraint_num, write_lookup_constraint)
12818 (write_insn_constraint_len, write_regclass_for_constraint)
12819 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12820 (write_insn_extra_memory_constraint)
12821 (write_insn_extra_address_constraint)
12822 (write_satisfies_constraint_fns): New.
12823 (write_tm_preds_h): If we have new-style constraint definitions,
12824 prototype the functions generated from them, and define the
12825 old constraint interface (still used by generic code) in terms of
12827 (write_insn_preds_c): If we have new-style constraint definitions,
12828 generate all relevant functions from those definitions.
12829 (main): Handle define_constraint etc.
12830 * genoutput.c (struct constraint_data, indep_constraints)
12831 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12832 (mdep_constraint_len): New data structures and functions, defined
12833 #ifdef USE_MD_CONSTRAINTS.
12834 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12835 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12836 use new logic to validate operand constraints against constraint
12838 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12840 * defaults.h: If none of the old-style constraint macros are
12841 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12842 old-style macros; and poison REG_CLASS_FROM_LETTER,
12843 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12845 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12846 * doc/md.texi: Document new constraint-definition mechanism and the
12847 C interface it provides. Remove references to old mechanism
12848 elsewhere in the document.
12849 (Machine Constraints): Use pathnames relative to gcc directory,
12850 i.e. config/ARCH/FILE. Change i386 section to refer to
12851 config/i386/predicates.md; update that section to match docstrings.
12852 * doc/tm.texi: Move all documentation of the old constraint-
12853 definition macros to their own section, clearly mark as obsolete.
12855 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12856 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12858 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12859 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12860 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12861 constraint strings.
12862 (splits and peepholes): Use satisfies_constraint_*.
12863 * config/i386/i386.c (memory_address_length)
12864 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12866 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12868 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12869 scalar operation to be put back into the loop.
12871 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12874 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12875 (extract_cie_info): Handle S flag in augmentation string.
12876 (execute_cfa_program): If context->signal_frame, execute also
12877 fs->pc == context->ra instructions.
12878 (uw_frame_state_for): If context->signal_frame, don't subtract one
12879 from context->ra to find FDE.
12880 (uw_update_context_1): Set context->signal_frame to
12882 (_Unwind_GetIPInfo): New function.
12883 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12884 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12886 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12887 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12888 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12889 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12890 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12891 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12892 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12893 x86_64_fallback_frame_state): Set fs->signal_frame.
12894 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12895 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12896 (frob_update_context): Likewise. Workaround missing S flag in
12897 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12898 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12899 Remove the psw_addr + 1 hack.
12901 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12903 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12904 with aggregates here.
12905 (find_func_aliases): Remove code for &<aggregate> from here.
12907 2006-02-26 Roger Sayle <roger@eyesopen.com>
12909 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12910 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12911 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12912 as (X & C) ne/eq 0.
12914 2006-02-26 Roger Sayle <roger@eyesopen.com>
12916 PR middle-end/19983
12917 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12919 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12921 * opts.c (decode_options): Do not handle flag_strength_reduce.
12922 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12923 and OPT_fstrength_reduce.
12924 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12925 flag_prefetch_loop_arrays for being nonzero.
12926 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12928 (fprefetch-loop-arrays-rtl): Removed.
12929 (flag_prefetch_loop_arrays): Do not specify the value.
12931 * doc/passes.texi: Update documentation of loop optimizer
12933 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12934 -frerun-loop-opt): Remove.
12936 2006-02-26 Richard Guenther <rguenther@suse.de>
12938 PR tree-optimization/26421
12939 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12940 in function calls that are ADDR_EXPRs as using the whole structure.
12942 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12944 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12945 * tree-pass.h (pass_loop_optimize): Remove.
12946 * passes.c (pass_loop_optimize): Never run it.
12947 * toplev.c (backend_init): Don't call init_loop.
12948 * opts.c (flag_loop_optimize_set): Remove.
12949 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12950 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12951 the old RTL loop optimizer when profiling enabled.
12952 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12953 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12954 pre-headers for the sake of the old RTL loop optimizer.
12955 * Makefile.in: Remove all references to loop.o.
12957 * doc/invoke.texi: Remove all references to -floop-optimize
12958 and -frerun-loop-opt.
12960 2006-02-26 Zack Weinberg <zackw@panix.com>
12962 * doc/md.texi (Machine Constraints): Refer to all files with paths
12963 relative to gcc directory (i.e. config/CPU/file). Add missing
12964 @table @code ... @end table to M32C subsection.
12966 2006-02-26 Roger Sayle <roger@eyesopen.com>
12968 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12970 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12972 2006-02-26 Roger Sayle <roger@eyesopen.com>
12973 James A. Morrison <phython@gcc.gnu.org>
12975 PR middle-end/21137
12976 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12977 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12978 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12979 signedness of the shift operation.
12981 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12983 PR tree-optimization/26359
12984 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12986 2006-02-25 Roger Sayle <roger@eyesopen.com>
12988 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12989 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12990 as X == 0, and some symmetry related transformations.
12991 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12993 2006-02-25 Roger Sayle <roger@eyesopen.com>
12995 PR middle-end/23673
12996 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12997 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12998 symmetry related transformations. Fold (X^C1) == C2 as
13001 2006-02-25 Juergen Weigert <jw@suse.de>
13002 Richard Guenther <rguenther@suse.de>
13004 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13006 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13008 * combine.c (gen_lowpart_or_truncate): Call
13009 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13011 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13013 * doc/invoke.texi: Move -fopenmp description to "Options for
13015 Remove reference to -lgomp.
13017 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13019 * doc/install.texi: Require GNU tar version 1.14.
13021 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13023 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13024 * doc/invoke.texi (C++ Dialect Options): Document
13025 -fno-use-cxa-get-exception-ptr.
13026 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13027 * configure: Regenerate.
13028 * c.opt (fuse-cxa-get-exception-ptr): New.
13029 * c-opts.c (c_common_handle_option): Handle
13030 OPT_fuse_cxa_get_exception_ptr.
13031 * c-common.c (flag_use_cxa_atexit): Update documentation.
13032 (flag_use_cxa_get_exception_ptr): New.
13033 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13034 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13036 (C_COMMON_OVERRIDE_OPTIONS): New.
13038 2006-02-24 Roger Sayle <roger@eyesopen.com>
13040 PR middle-end/24952
13041 * combine.c (try_combine): Explicitly check whether GET_CODE is
13042 a SET or a CLOBBER, instead on checking that it isn't a USE.
13044 2006-02-24 Roger Sayle <roger@eyesopen.com>
13046 * fold-const.c (fold_comparison): New subroutine of fold_binary
13047 containing transformations common to both the equality and
13048 ordering relational operators, factored out of fold_binary.
13049 (fold_binary): Separate out the equality operators (EQ_EXPR
13050 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13051 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13052 transformations common to both.
13053 (fold_div_compare): Fix latent bugs in the previously unreachable
13054 LT_EXPR and GE_EXPR cases.
13056 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13058 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13059 decl libname for clog to __clog on AIX.
13061 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13063 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13066 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13067 output traceback table for thunks. Localise rs6000_stack_info call.
13069 2006-02-23 Roger Sayle <roger@eyesopen.com>
13070 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13072 * gthr-posix.h (__gthrw): Fix typo in comment.
13074 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13076 * doc/cpp.texi (Character sets): Document that we do support
13077 input files to be in any character set.
13079 2006-02-23 Jeff Law <law@redhat.com>
13081 * tree.h (PHI_ARG_NONZERO): Remove.
13082 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13083 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13084 node to the new node.
13086 PR tree-optimization/26425
13087 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13088 min/max, then assume its varying.
13090 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13092 PR rtl-optimization/26316
13093 * rtlanal.c (enum may_trap_p_flags): New.
13094 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13095 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13096 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13097 (may_trap_after_code_motion_p): New function.
13098 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13099 (find_invariant_insn): Use may_trap_after_code_motion_p.
13100 * rtl.h (may_trap_after_code_motion_p): Declare.
13102 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13104 * emit-rtl.c (immed_double_const): Cleanup.
13106 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13108 Fix PR tree-optimization/26376
13109 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13112 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13114 PR middle-end/26412
13115 * gimplify.c (omp_add_variable): Guard variable size decl test with
13116 DECL_SIZE (decl) check.
13118 2006-02-23 Richard Guenther <rguenther@suse.de>
13120 PR middle-end/26439
13121 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13122 like aggregate types.
13124 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13126 * configure.ac: Add --with{,out}-long-double-128 configure option.
13127 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13128 * configure: Rebuilt.
13129 * config.in: Rebuilt.
13130 * doc/install.texi (Options specification): Document
13131 --with-long-double-128.
13133 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13134 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13135 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13136 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13138 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13140 * config/s390/s390.c (override_options): Handle
13141 TARGET_DEFAULT_LONG_DOUBLE_128.
13143 * config/alpha/alpha.c (override_options): Handle
13144 TARGET_DEFAULT_LONG_DOUBLE_128.
13146 * config/sparc/sparc.c (sparc_override_options): Handle
13147 TARGET_DEFAULT_LONG_DOUBLE_128.
13149 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13151 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13152 (real-install-headers-tar, real-install-headers-cpio)
13153 (real-install-headers-cp): New targets.
13155 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13157 * tree.h (variable_section): Delete.
13158 * varasm.c (variable_section): Delete.
13160 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13162 * install.texi: Add notes on install.texi2html.
13163 (Building in parallel): Do not use footnotes.
13165 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13168 * doc/install.texi (Configuration): Document --disable-libgomp.
13170 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13172 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13174 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13176 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13177 (vec_extractv2df_0_sse): New.
13179 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13181 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13182 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13183 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13184 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13185 to the result of the expression.
13186 (def_cfa_1): Adjust.
13187 (frame_pointer_cfa_offset): Rename to...
13188 (frame_pointer_fb_offset): ... this. Adjust all uses.
13189 (convert_cfa_to_loc_list): Rename to...
13190 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13191 Pass it on to build_cfa_loc.
13192 (compute_frame_pointer_to_cfa_displacement): Rename to...
13193 (compute_frame_pointer_to_fb_displacement): ... this. New
13194 offset parameter. Use it in computation.
13195 (gen_subprogram_die): Compute cfa_fb_offset with the new
13196 macro, and use it to compute the fb loc list and the
13199 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13201 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13202 replaced with register_operand.
13203 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13204 non-DREG is expensive.
13205 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13206 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13209 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13211 * doc/install.texi2html: Use set -e.
13213 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13215 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13216 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13217 * doc/invoke.texi (-fshared-data): Delete.
13218 * common.opt (fshared-data): Delete.
13219 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13220 (assemble_static_space): Remove #if 0 code.
13221 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13222 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13223 * config/cris/cris.h: Remove FIXME.
13225 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13227 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13230 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13232 PR middle-end/26379
13233 * combine.c (simplify_shift_const_1): Disable nested shifts
13234 optimization for vector shifts.
13236 2006-02-20 Roger Sayle <roger@eyesopen.com>
13238 PR tree-optimization/26361
13239 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13240 of unsigned integer types.
13242 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13244 * tree-chrec.c (eq_evolutions_p): New.
13245 * tree-chrec.h (eq_evolutions_p): Declared.
13246 * tree-data-ref.c: Fix formatting.
13247 (datadep_stats, dependence_stats): New.
13249 (print_direction_vector): New.
13250 (dump_data_dependence_relation): Use print_direction_vector.
13251 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13252 (compute_subscript_distance): Static.
13253 (initialize_data_dependence_relation): Static. Get the number
13254 of loops surrounding the references from the callers, and initialize
13255 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13256 base_object_differ_p analyzers.
13257 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13258 compute_overlap_steps_for_affine_1_2,
13259 analyze_subscript_affine_affine): Count the classified dependences.
13260 Print a message when a test failed.
13261 (can_use_analyze_subscript_affine_affine): New.
13262 (analyze_siv_subscript): Compute the data dependences on symbolic
13263 scevs that verify can_use_analyze_subscript_affine_affine.
13264 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13265 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13266 Handle symbolic scevs.
13267 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13269 (subscript_dependence_tester): Moved...
13270 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13271 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13272 DDR_SIZE_VECT instead of getting it in parameter.
13273 (subscript_dependence_tester): ... here. Take as a parameter
13274 loop_nest_depth. Call build_classic_dist_vector and
13275 build_classic_dir_vector.
13276 (compute_affine_dependence): Update subscript_dependence_tester
13277 parameters. Update datadep_stats counters. Call
13278 compute_subscript_distance.
13279 (compute_self_dependence): Save the dist and dir vectors. Call
13280 compute_subscript_distance.
13281 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13282 (compute_all_dependences): Reorder parameters as they were before
13283 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13284 compute_subscript_distance. Update the use of
13285 compute_affine_dependence and initialize_data_dependence_relation.
13286 (find_data_references_in_loop): Handle COMPONENT_REF.
13287 (compute_data_dependences_for_loop): Initialize dependence_stats.
13288 Don't call build_classic_dist_vector and build_classic_dir_vector.
13289 Update the parameters of initialize_data_dependence_relation and
13290 compute_all_dependences. Print the statistics from datadep_stats.
13291 (analyze_all_data_dependences): Static. Not used until the pass for
13292 checking the data dependences is contributed.
13293 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13294 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13295 (initialize_data_dependence_relation, compute_affine_dependence,
13296 analyze_all_data_dependences, compute_subscript_distance): Removed.
13297 (print_direction_vector): New.
13298 * lambda.h (gcd): ... here.
13299 (lambda_vector_gcd): Moved here from gcd_vector.
13300 * lambda-code.c (gcd, gcd_vector): Removed.
13301 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13302 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13304 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13306 * ipa-type-escape.c: Tidy some comments and white space.
13307 * tree-ssa-operands.c: Likewise.
13309 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13312 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13313 (dump_decl_name): Do not walk the decl tree chains.
13314 * tree-pass.h (TDF_CHAIN): Remove.
13316 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13318 * Makefile.in (C): Remove
13320 (.PHONY): Remove C and PROTO
13322 2006-02-20 Roger Sayle <roger@eyesopen.com>
13324 PR middle-end/26236
13325 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13326 deprecated CHAR_TYPE tree code.
13328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13330 * configure.ac (target_list): Add install-info, dvi, html.
13331 * configure: Regenerate.
13333 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13334 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13335 treelang/Make-lang.in: Do not use double-colon rules.
13337 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13339 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13340 (TMT_USED_ALONE): New macro.
13341 * tree-pass.h (PROP_tmt_usage): New property.
13342 (TODO_update_tmt_usage): New todo.
13343 * tree-ssa-alias.c (updating_used_alone): New variable.
13344 (recalculate_used_alone): New function.
13345 (compute_may_aliases): Set updating_used_alone, call
13346 recalculate_used_alone.
13347 * tree-sra.c (pass_sra): Note that this pass destroys
13348 PROP_tmt_usage, and add TODO_update_tmt_usage.
13349 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13350 * tree-flow.h (updating_used_alone): Prototype.
13351 (recalculate_used_alone): Ditto.
13352 * passes.c (execute_todo): Add code to set updating_used_alone,
13353 and call recalculate.
13354 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13355 for clobber if used alone, and add assert to verify used_alone
13358 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13360 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13361 for non tls symbols added.
13362 (legitimize_address): Do nothing for PLUS expressions if one of the
13363 addends is a tls symbol reference.
13365 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13369 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13371 * Makefile.in (BOOTSTRAPPING): New.
13372 (quickstrap): New definition if BOOTSTRAPPING=yes.
13374 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13375 * configure.ac: Substitute all_selected_languages with the languages
13376 that were configured. For all the other variables except
13377 lang_specs_files, include all the languages in the tree.
13378 * configure: Regenerate.
13380 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13381 if there is one. Run the commands to run fixincludes in the same
13384 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13385 * doc/install.texi: Document exact conventions for searching target tools.
13386 Document --with-build-time-tools. Document toplevel bootstrap. Document
13387 something more about building an Ada cross-compiler. Don't list GNU Make
13388 requirements which affect all platforms.
13390 2006-02-19 Roger Sayle <roger@eyesopen.com>
13392 PR middle-end/19543
13393 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13394 only equivalent if the have both the same mode and precision.
13396 2006-02-20 Ben Elliston <bje@au.ibm.com>
13398 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13400 2006-02-19 Roger Sayle <roger@eyesopen.com>
13401 Steven Bosscher <stevenb.gcc@gmail.com>
13403 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13404 constant pool references to identify stack mode constants.
13405 * rtlanal.c (constant_pool_constant_p): New predicate to check
13406 whether operand is a floating point constant in the pool.
13407 * rtl.h (constant_pool_constant_p): Prototype here.
13408 * loop.c (scan_loop): Avoid hoisting constants from the constant
13409 pool on STACK_REGS targets.
13410 (load_mems): Likewise.
13411 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13412 loads into x87 registers expensive in terms of register pressure.
13414 2006-02-19 Roger Sayle <roger@eyesopen.com>
13416 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13417 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13419 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13421 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13422 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13424 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13426 * doc/invoke.texi: Document -fipa-pta.
13427 * common.opt: Add ipa-pta option.
13428 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13429 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13430 (do_ds_constraint): Ditto.
13431 (get_constraint_for): Only add to referenced_vars if
13432 referenced_vars exists.
13433 (insert_into_field_list): Rewrite to do this unsorted.
13434 (insert_into_field_list_sorted): Rename old insert_into_field_list
13436 (create_function_info_for): Use insert_into_field_list_sorted.
13437 (create_variable_info_for): Rewrite so it uses unsorted version,
13438 since the field list is sorted.
13439 (intra_create_variable_infos): Only add to referenced_vars if
13440 referenced_vars exists.
13441 (ipa_pta_execute): Init heapvars, and delete when done.
13442 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13444 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13446 * doc/install.texi: Add missing `@samp'.
13448 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13450 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13453 2006-02-18 Mark Wielaard <mark@klomp.org>
13455 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13456 who added new 4.1 features, bug fixes and integration support.
13458 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13461 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13462 MEM for ABI_V4 pic.
13464 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13466 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13467 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13468 (copy_insn_1): Likewise. Don't copy each field individually.
13470 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13472 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13473 * rtl.c (rtx_size): Rename variable to...
13474 (rtx_code_size): ...this.
13475 (rtx_size): New function.
13476 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13477 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13479 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13480 * rtl.h (rtx_code_size): New variable.
13481 (rtx_size): Change from a variable to a function.
13482 (RTX_SIZE): Rename to...
13483 (RTX_CODE_SIZE): ...this.
13486 PR tree-optimization/17106
13487 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13488 (Anchored Addresses): New section.
13489 * doc/invoke.texi (-fsection-anchors): Document.
13490 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13491 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13492 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13493 * hooks.c (hook_bool_mode_rtx_false): New function.
13494 * hooks.h (hook_bool_mode_rtx_false): Declare.
13495 * gengtype.c (create_optional_field): New function.
13496 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13497 SYMBOL_REF_IN_BLOCK_P is true.
13498 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13499 (min_anchor_offset, max_anchor_offset): Likewise.
13500 (use_anchors_for_symbol_p): New hook.
13501 * toplev.c (compile_file): Call output_object_blocks.
13502 (target_supports_section_anchors_p): New function.
13503 (process_options): Check that -fsection-anchors is only used on
13504 targets that support it and when -funit-at-a-time is in effect.
13505 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13506 if the decl doesn't have one.
13507 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13508 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13509 of force_const_mem through use_anchored_address.
13510 (expand_expr_constant): New function.
13511 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13512 calling expand_expr for INDIRECT_REF.
13513 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13514 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13515 * expr.h (use_anchored_address): Declare.
13516 * loop-unroll.c: Don't declare rtx vectors here.
13517 * explow.c: Include output.h.
13518 (validize_mem): Call use_anchored_address.
13519 (use_anchored_address): New function.
13520 * common.opt (-fsection-anchors): New switch.
13521 * varasm.c (object_block_htab, anchor_labelno): New variables.
13522 (hash_section, object_block_entry_eq, object_block_entry_hash)
13523 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13524 (use_blocks_for_decl_p, change_symbol_section): New functions.
13525 (get_variable_section): New function, split out from assemble_variable.
13526 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13527 use_blocks_for_decl_p say so. Use change_symbol_section if the
13528 symbol has already been created.
13529 (assemble_variable_contents): New function, split out from...
13530 (assemble_variable): ...here. Don't output any code for
13531 block symbols; just pass them to place_block_symbol.
13532 Use get_variable_section and assemble_variable_contents.
13533 (get_constant_alignment, get_constant_section, get_constant_size): New
13534 functions, split from output_constant_def_contents.
13535 (build_constant_desc): Create a block symbol if use_object_blocks_p
13536 says so. Or into SYMBOL_REF_FLAGS.
13537 (assemble_constant_contents): New function, split from...
13538 (output_constant_def_contents): ...here. Don't output any code
13539 for block symbols; just pass them to place_section_symbol.
13540 Use get_constant_section and get_constant_alignment.
13541 (force_const_mem): Create a block symbol if use_object_blocks_p and
13542 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13543 (output_constant_pool_1): Add an explicit alignment argument.
13544 Don't switch sections here.
13545 (output_constant_pool): Adjust call to output_constant_pool_1.
13546 Switch sections here instead. Don't output anything for block symbols;
13547 just pass them to place_block_symbol.
13548 (init_varasm_once): Initialize object_block_htab.
13549 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13550 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13551 (place_block_symbol, get_section_anchor, output_object_block)
13552 (output_object_block_htab, output_object_blocks): New functions.
13553 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13554 (TARGET_ASM_OUT): Include it.
13555 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13556 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13557 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13558 (TARGET_INITIALIZER): Include them.
13559 * rtl.c (rtl_check_failed_block_symbol): New function.
13560 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13561 (block_symbol, object_block): New structures.
13562 (rtx_def): Add a block_symbol field to the union.
13563 (BLOCK_SYMBOL_CHECK): New macro.
13564 (rtl_check_failed_block_symbol): Declare.
13565 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13566 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13567 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13569 * output.h (output_section_symbols): Declare.
13570 (object_block): Name structure.
13571 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13572 (default_use_anchors_for_symbol_p): Declare.
13573 * Makefile.in (RTL_BASE_H): Add vec.h.
13574 (explow.o): Depend on output.h.
13575 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13576 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13577 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13578 (rs6000_use_blocks_for_constant_p): New function.
13580 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13582 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13584 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13587 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13590 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13592 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13596 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13598 PR middle-end/26334
13599 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13600 instead of DECL_REGISTER.
13602 2006-02-18 Olivier Hainque <hainque@adacore.com>
13605 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13607 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13610 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13611 * opth-gen.awk: Handle Var and InverseMask together.
13612 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13613 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13614 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13615 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13617 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13618 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13619 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13621 LINUX_DYNAMIC_LINKER): Define.
13622 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13623 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13625 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13626 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13627 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13629 (TARGET_C99_FUNCTIONS): Don't define.
13630 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13631 GLIBC_DYNAMIC_LINKER.
13632 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13633 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13634 GLIBC_DYNAMIC_LINKER64): Define.
13635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13636 LINUX_DYNAMIC_LINKER64.
13637 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13639 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13641 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13643 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13644 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13645 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13647 and LINUX_DYNAMIC_LINKER32.
13648 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13650 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13652 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13654 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13655 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13656 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13657 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13658 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13659 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13660 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13661 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13663 LINUX_DYNAMIC_LINKER): Define.
13664 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13665 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13666 GLIBC_DYNAMIC_LINKER64): Define.
13667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13668 LINUX_DYNAMIC_LINKER64.
13669 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13670 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13671 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13672 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13673 LINUX_DYNAMIC_LINKER): Define.
13674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13675 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13676 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13677 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13678 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13679 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13680 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13681 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13682 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13683 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13685 * doc/invoke.texi (-muclibc): Remove caveat about supported
13688 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13690 * doc/cpp.texi (__TIMESTAMP__): Document.
13692 2006-02-17 Roger Sayle <roger@eyesopen.com>
13694 PR middle-end/25600
13695 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13696 C is one less than the width of X (and related transformations).
13697 * simplify-rtx.c (simplify_unary_operation_1): Transform
13698 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13699 depending on STORE_FLAG_VALUE, were C is one less then the
13702 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13704 Fix PR tree-optimization/26341
13705 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13706 about NAME_MEMORY_TAG's.
13708 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13711 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13712 with hardware float support, and software float support. Add fcpy
13713 alternative to hardware patterns. Add alternatives to copy between
13714 general and floating-point registers to the 32-bit pattern.
13715 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13716 secondary reload to load a QI or HI mode constant into a floating
13718 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13719 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13721 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13724 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13726 (load_macho_picbase_di): Likewise.
13728 2006-02-16 Jeff Law <law@redhat.com>
13730 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13731 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13732 (ssa_name_nonzero_p): Likewise.
13733 (get_value_range): Return NULL if VRP is not running.
13734 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13735 VRP routines do not discover a range.
13736 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13737 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13738 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13739 (tree_expr_nonnegative_p): Similarly.
13740 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13741 (restore_nonzero_vars_to_original_value): Remove.
13742 (unsafe_associative_fp_binop): Remove.
13743 (tree_ssa_dominator_optimize): Remove initialization and
13744 finalization of nonzero_vars and nonzero_vars_stack.
13745 (dom_opt_initialize_block): No longer push marker on
13746 nonzero_vars_stack.
13747 (dom_opt_finalize_block): No longer call
13748 restore_nonzero_vars_to_original_value.
13749 (record_equivalences_from_phis): No longer look for
13750 nonzero PHI arguments.
13751 (cprop_into_successor_phis): No longer propagate nonzero
13752 property into PHI arguments. Lose unused argument. Caller
13754 (record_equivalences_from_stmt): No longer record nonzero
13755 values for SSA_NAMEs.
13756 (lookup_avail_expr): No longer use nonzero_vars.
13758 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13759 for sizetype when sizetype is unsigned.
13761 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13763 PR rtl-optimization/25603
13764 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13765 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13766 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13767 with new meaning of SETS.
13769 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13774 * config/linux.opt: New file.
13775 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13776 LINUX_DYNAMIC_LINKER): Define.
13777 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13778 * config.gcc (*-*-linux*): Define extra_options.
13779 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13780 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13781 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13782 GLIBC_DYNAMIC_LINKER.
13783 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13784 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13785 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13787 * doc/invoke.texi (GNU/Linux Options): New section.
13789 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13791 * config/sparc/sparc.md (setjmp): Rewrite.
13792 (setjmp_32): Delete.
13793 (setjmp_64): Likewise.
13795 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13797 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13800 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13802 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13805 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13807 PR rtl-optimization/26296
13808 * Makefile.in (loop-invariant.c): Add except.h dependency.
13809 * loop-invariant.c: Include except.h.
13810 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13812 2005-02-16 Paul Brook <paul@codesourcery.com>
13814 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13817 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13819 PR rtl-optimization/25636
13820 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13821 when deciding whether an insn is an initializing insn.
13823 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13825 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13826 (tree_code_size): Ditto.
13827 * tree.h (struct tree_memory_tag): Remove parent_var.
13828 (struct tree_struct_field_tag): New.
13831 (union tree_node): Add sft member.
13832 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13834 (create_sft): Add size and offset argument, set SFT_OFFSET and
13836 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13837 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13838 * tree-flow-inline.h (get_subvar_at): Update for
13839 SFT_OFFSET/SFT_SIZE.
13840 (var_can_have_subvars): Ditto.
13841 (overlap_subvar): Ditto.
13842 * print-tree.c (print_node): Print out interesting things for
13844 * tree-flow.h (struct subvar): Remove offset and size members.
13845 * tree-ssa-operands.c (get_expr_operands): Update for
13846 get_indirect_ref_operands changes.
13847 (get_indirect_ref_operands): Call add_virtual_operand instead of
13848 add_stmt_operand. Only recurse on base var if requested.
13849 (access_can_touch_variable): New function.
13850 (add_stmt_operand): Split virtual operand handling into ...
13851 (add_virtual_operand): Here. Add offset, size, and for_clobber
13852 arguments. Prune alias sets.
13853 (add_call_clobber_ops): Call add_virtual_operand.
13855 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13857 PR middle-end/26300
13858 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13860 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13861 than TREE_CODE as index into omp_clause_num_ops array.
13863 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13865 PR rtl-optimization/26184
13866 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13868 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13869 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13870 must_precede, must_follow and tobe_scheduled.
13873 * opts.c (common_handle_option): Free new_option pointer.
13874 * df-core.c (df_analyze): Free postorder pointer.
13876 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13878 * Makefile.in: Fix the examples about the use of stamps
13880 2006-02-15 Michael Matz <matz@suse.de>
13882 PR middle-end/22275
13884 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13885 influenced by maximum_field_alignment or DECL_PACKED.
13886 (update_alignment_for_field): Ditto.
13887 (place_field): Ditto.
13888 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13891 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13893 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13894 (debug_flow_info): Pass it.
13895 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13896 * bb-reorder.c (reorder_basic_blocks): Likewise.
13897 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13898 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13899 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13900 * gcse.c (gcse_main, bypass_jumps): Likewise.
13901 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13902 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13903 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13904 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13905 * rtl.h (dump_flow_info): Adjust prototype.
13906 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13907 * var-tracking.c (variable_tracking_main): Likewise.
13908 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13909 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13912 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13914 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13917 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13919 PR tree-optimization/26209
13920 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13921 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13923 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13925 2006-02-14 Roger Sayle <roger@eyesopen.com>
13927 PR middle-end/23670
13928 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13929 (X,Y) and the corresponding symmetry related transformations.
13930 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13931 (X,Y) and its symmetry related transformations.
13933 2006-02-14 Roger Sayle <roger@eyesopen.com>
13935 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13938 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13940 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13942 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13945 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13946 support COMDAT group.
13947 * configure: Regenerate.
13949 2006-02-14 Roger Sayle <roger@eyesopen.com>
13951 PR middle-end/26279
13952 PR middle-end/26280
13953 PR middle-end/26283
13954 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13956 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13958 Fix PR tree-optimization/26260
13960 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13962 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13963 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13964 * tree-ssa-structalias.c (create_variable_info_for): Use
13965 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13967 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13969 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13971 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13972 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13973 of the ending condition.
13974 * tree-ssa-loop-manip.c: Include params.h.
13975 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13976 tree_unroll_loop): New functions.
13977 * tree-pass.h (pass_loop_prefetch): Declare.
13978 * loop.c (rest_of_handle_loop_optimize): Test for
13979 -fprefetch-loop-arrays-rtl.
13980 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13981 * timevar.def (TV_TREE_PREFETCH): New timevar.
13982 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13983 pass_loop_prefetch): New.
13984 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13985 (cleanup_tree_cfg_loop): Call scev_reset.
13986 * common.opt (fprefetch-loop-arrays-rtl): Add.
13987 * tree-ssa-loop-prefetch.c: New file.
13988 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13989 (new_temp_expr_table): Initialize expr_vars.
13990 (free_temp_expr_table): Cleanup expr_vars.
13991 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13992 expressions from being merged into one.
13993 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13994 (struct tree_niter_desc): Add control, bound and cmp fields.
13995 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13997 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13998 (tree-cfgcleanup.o): Add SCEV_H dependency.
13999 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14000 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14002 2006-02-14 Richard Guenther <rguenther@suse.de>
14004 PR tree-optimization/26258
14005 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14006 in PHI argument processing.
14008 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14010 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14011 new expression in the requested machine mode.
14013 2006-02-13 Roger Sayle <roger@eyesopen.com>
14015 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14016 directly, instead let do_compare_rtx_and_jump handle this for us.
14017 * expr.c (expand_expr_real_1): Likewise.
14018 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14019 before do_jump_by_parts_greater.
14020 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14021 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14023 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14025 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14027 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14029 PR rtl-optimization/26235
14030 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14031 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14034 2006-02-13 Jeff Law <law@redhat.com>
14036 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14039 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14041 PR middle-end/26092
14042 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14043 twice if decl is a builtin. When trying again, call get_callee_fndecl
14044 first to verify it is still a builtin.
14046 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14048 * dwarf2out.c (base_type_die): Don't add AT_name here.
14049 (subrange_type_die): Don't add AT_name here.
14050 (modified_type_die): Rearrange code flow. Do add AT_name here.
14052 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14054 PR rtl-optimization/26247
14055 PR rtl-optimization/26248
14056 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14058 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14060 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14061 * config/fixtfdi.c: Likewise.
14062 * config/fixunstfdi.c: Likewise.
14063 * config/floatditf.c: Likewise.
14065 2006-02-13 Roger Sayle <roger@eyesopen.com>
14067 PR middle-end/24427
14068 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14069 into (X,C2) if C1 is a subset of the bits of C2. Transform
14070 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14072 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14074 2006-02-13 Josh Conner <jconner@apple.com>
14077 * varasm.c (function_section): Check for section name before
14078 calling select_section on targets that define
14079 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14080 unlikely_text_section instead of hot_function_section if
14081 first_function_block_is_cold.
14083 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14085 PR middle-end/25335
14086 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14088 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14090 PR rtl-optimization/26222
14091 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14092 after tree->rtl expansion.
14093 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14094 before passing it to emit_move_insn.
14096 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14098 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14100 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14101 Clarify documentation.
14102 * c-common.h (warn_write_strings): Remove.
14103 * c-common.c (warn_write_strings): Likewise.
14104 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14107 2006-02-12 Roger Sayle <roger@eyesopen.com>
14109 PR middle-end/25724
14110 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14111 (do_jump_parts_zero_rtx): New function renamed from
14112 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14113 (do_jump_parts_equality_rtx): New function split out from
14114 do_jump_parts_equality. Old implementation renamed as above.
14115 Call do_jump_parts_zero_rtx if either operand is zero.
14116 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14117 do all of the heavy lifting.
14118 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14119 calling either do_jump_by_parts_greater_rtx or
14120 do_jump_by_parts_equality_rtx.
14121 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14122 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14123 moved to do_compare_rtx_and_jump, call it directly.
14124 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14125 mode argument. Call do_compare_rtx_and_jump.
14126 (emit_case_nodes): Update calls to do_jump_if_equal.
14128 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14130 PR rtl-optimization/26225
14131 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14133 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14135 PR rtl-optimization/26232
14136 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14138 2006-02-11 Jason Merrill <jason@redhat.com>
14141 * tree-inline.c (declare_return_variable): Just don't use the
14142 modify target if it's a gimple complex reg and the return slot
14145 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14147 * doc/contrib.texi: Update my entry.
14149 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14151 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14153 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14155 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14158 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14160 * doc/invoke.texi (-floop-optimize2): Removed.
14161 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14162 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14163 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14164 * common.opt (floop-optimize2): Removed.
14165 (fmove-loop-invariants): Enabled by default.
14167 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14169 * tree-if-conv.c (combine_blocks): Free the result of
14170 get_loop_exit_edges.
14172 2006-02-10 Jeff Law <law@redhat.com>
14174 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14176 PR tree-optimization/26213
14177 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14178 loop trying to follow SSA_NAME_VALUE chains.
14180 2006-02-10 Richard Guenther <rguenther@suse.de>
14182 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14183 deal with structures that end in implicitly variable sized arrays.
14185 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14187 PR rtl-optimization/24762
14188 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14191 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14193 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14194 (struct ivopts_data): Add regs_used field.
14195 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14196 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14197 instead of loop_data->regs_used;
14198 (free_loop_data): Do not free aux fields for loops.
14199 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14200 and tree_ssa_iv_optimize_finalize.
14202 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14204 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14206 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14209 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14210 computing the effective result type.
14212 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14214 PR inline-asm/16194
14215 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14216 (tree_overlaps_hard_reg_set): Declare.
14217 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14218 type and signature to match function type expected by walk_tree.
14219 (tree_overlaps_hard_reg_set): New function.
14220 (decl_conflicts_with_clobbers_p): Rename to:
14221 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14222 Use tree_overlaps_hard_reg_set. Changed caller.
14223 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14224 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14225 * cris.c (cris_md_asm_clobbers): Likewise.
14227 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14229 * reload1.c (emit_input_reload_insns): Delete code that tries to
14230 inherit using find_equiv_reg.
14232 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14234 * c-common.h (flag_const_strings): Don't declare.
14235 * c-common.c (flag_const_strings): Remove.
14236 * c.opt (fconst_strings): Remove.
14237 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14238 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14239 (c_common_init_options): Don't set flag_const_strings.
14240 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14242 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14244 * arm.md (tlobits_cbranch): New pattern.
14245 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14246 testing a single bit.
14248 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14251 * tree-ssa-pre.c (create_component_ref_by_pieces):
14252 Handle RETURN_DECL like VAR_DECL.
14254 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14256 PR middle-end/26134
14257 * fold-const.c (fold_indirect_ref_1): Fold
14258 "*(foo *)&complexfoo" to "__real__ complexfoo"
14259 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14261 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14263 * tree-flow-inline.h (var_can_have_subvars):
14264 Volatile variables should not have subvariables.
14266 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14269 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14270 multiplying unsigned values.
14273 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14275 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14277 2006-02-08 Jason Merrill <jason@redhat.com>
14280 * tree.def: Elaborate on difference from MODIFY_EXPR.
14281 * doc/c-tree.texi (INIT_EXPR): Likewise.
14282 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14283 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14284 (gimplify_target_expr): Likewise.
14285 (gimplify_cond_expr): Remove target handling.
14286 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14287 (gimplify_expr): Clobber it here.
14288 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14289 Do return slot optimization if we have an INIT_EXPR.
14292 * tree-inline.c (declare_return_variable): Also clear
14293 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14296 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14298 PR middle-end/22439
14299 * gimplify.c (gimplify_one_sizepos): Fix typo.
14301 2006-02-08 Jeff Law <law@redhat.com>
14303 PR tree-optimization/21417
14304 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14305 across a backedge if the control statement at the end of the
14306 block is data dependent on other statements in the same block.
14307 (record_temporary_equivalences_from_stmts): Remove over-conservative
14308 test for threading across backedges.
14310 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14311 control statement, handle all three special cases in the same
14312 manner as they all have the same desired solution. No longer
14313 special case edge flag updating when the post dominator is
14316 2006-02-08 Roger Sayle <roger@eyesopen.com>
14318 * tree.def (CHAR_TYPE): Remove.
14319 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14320 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14321 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14322 (gen_string_type_die): Delete unreachable function.
14324 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14325 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14326 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14327 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14328 * builtins.c (type_to_class): Likewise.
14329 * fold-const.c (fold_convert, build_range_check,
14330 merge_ranges): Likewise.
14331 * expr.c (count_type_elements): Likewise.
14332 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14333 * stor-layout.c (layout_type): Likewise.
14334 * ipa-type-escape.c (type_to_consider): Likewise.
14335 * gimplify.c (omp_firstprivatize_type_sizes,
14336 gimplify_type_sizes): Likewise.
14337 * explow.c (promote_mode): Likewise.
14338 * tree-sra.c (is_sra_scalar_type): Likewise.
14339 * varasm.c (output_constant): Likewise.
14340 * tree-inline.c (remap_type_1): Likewise.
14341 * convert.c (convert_to_pointer, convert_to_real,
14342 convert_to_integer, convert_to_complex): Likewise.
14344 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14346 * df-scan.c (df_def_record_1): A set destination may
14347 be a parallel regardless of mode.
14349 2006-02-08 Roger Sayle <roger@eyesopen.com>
14352 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14353 * config/mips/_tilib.c: Remove.
14354 * config/fixtfdi.c: New libgcc source file.
14355 * config/fixunstfdi.c: New source file.
14356 * config/floatditf.c: New source file.
14357 * config/floatunditf.c: New souce file.
14358 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14359 files above instead of config/mips/_tilib.c.
14360 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14362 2006-02-08 Jeff Law <law@redhat.com>
14364 PR tree-optimization/26169
14365 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14368 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14370 * df.h (DF_REG_SIZE): Return the length of the initialized
14373 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14375 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14376 __muldf3): Return a correctly signed zero.
14378 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14380 * passes.c (register_one_dump_file): Accept the current properties
14381 instead of pass number. Adjust call to dump_register. Remove
14383 (register_dump_files): Now a wrapper around...
14384 (register_dump_files_1): ... this one. Do not modify the pass
14386 (next_pass_1): Cosmetic fix.
14387 (execute_todo): Keep second parameter only. Use curr_properties
14388 instead of fetching it from the pass structure. Check and set
14390 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14391 instead of fetching it from the pass structure. Fix calls to
14392 execute_todo. Update curr_properties and initialize .vcg RTL dump
14393 after running the pass. Reset last_verified.
14394 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14396 (FIRST_AUTO_NUMBERED_DUMP): New.
14397 (dump_register): Remove "num" parameter, assign it within the
14399 (get_dump_file_name): Modify template for dumps.
14400 * tree-dump.h (dump_register): Adjust prototype.
14401 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14402 (PROP_trees): Add PROP_gimple_lomp.
14403 (TODO_set_props): New.
14404 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14405 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14406 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14408 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14410 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14411 (sparc64-*-linux*): Likewise.
14412 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14413 * config/sparc/t-linux: New file.
14414 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14415 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14416 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14417 -m32 -mlong-double-128.
14419 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14420 * config/alpha/t-linux: New file.
14421 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14423 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14424 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14425 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14426 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14427 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14428 (CPP_ARCH32_SPEC): Remove.
14430 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14432 PR tree-optimization/26145
14433 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14436 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14439 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14440 >= 240000 when generating code for SOM runtime.
14441 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14442 to $$dyncall when generating code for SOM runtime..
14444 2006-02-07 Dirk Mueller <dmueller@suse.com>
14447 * doc/invoke.texi (-Wsequence-point): Update documentation
14448 that -Wsequence-point is implemented for C++ as well.
14450 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14452 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14453 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14454 (LIB_SPEC): Likewise.
14455 * doc/invoke.texi (SPARC options): Document -pthread.
14457 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14459 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14462 2006-02-07 Roger Sayle <roger@eyesopen.com>
14464 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14465 Correct comment describing BOOLEAN_TYPE.
14467 2006-02-07 Dirk Mueller <dmueller@suse.com>
14469 * c.opt: C++ frontend supports -Wdiv-by-zero.
14470 * c-opts.c (c_common_handle_option): Remove dead case.
14472 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14474 * configure.ac (TLS assembler check): Do not enable TLS by
14475 default on SPARC/Solaris before version 10.
14476 * configure: Regenerate.
14478 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14480 * doc/invoke.texi (xl-compat): Document conversion and support
14483 2006-02-07 Jeff Law <law@redhat.com>
14485 * tree-vrp.c (find_conditional_asserts): Update comments.
14486 (simplify_stmt_for_jump_threading): New.
14487 (identify_jump_threads, finalize_jump_threads): New.
14488 (vrp_finalize): Call identify_jump_threads.
14489 (execute_vrp): Call finalize_jump_threads.
14490 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14491 (vrp_element, vrp_data, vrp_element_p): Remove.
14492 (vrp_hash_elt, vrp_variables_stack): Remove.
14493 (vrp_hash, vrp_eq, record_range): Remove.
14494 (simplify_cond_and_lookup_avail_expr): Remove.
14495 (extract_range_from_cond): Remove.
14496 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14497 (simplify_stmt_for_jump_threading): New.
14498 (dom_thread_across_edge): New wrapper.
14499 (tree_ssa_dominator_optimize): No longer initialize or
14500 finalize any of the VRP datastructures. Remove iteration
14501 step and simplify as a result of removal of iteration step.
14502 (pass_dominator): Perform a cfg cleanup after DOM.
14503 (dom_opt_finalize_block): Use the new common routines
14504 for threading jumps. Simplify stack management slightly.
14505 No longer need to unwind VRP state.
14506 (record_equivalences_from_incoming_edge): No longer record
14508 (eliminate_redundant_computations): No longer call
14509 simplify_cond_and_lookup_avail_expr.
14510 * tree-flow.h (potentially_threadable_block): Prototype.
14511 (thread_across_edge): Likewise.
14512 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14513 (tree-ssa-threadedge.o): Add dependencies.
14514 * tree-ssa-threadedge.c: New file.
14515 * passes.c (init_optimization_passes): Merge PHIs before
14516 calling VRP. Run VRP again late in the SSA optimization pipeline.
14518 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14520 * df-core.c (df_set_blocks): Do not dereference function pointers.
14521 (df_finish1): Likewise.
14522 (df_hybrid_search_forward): Likewise.
14523 (df_hybrid_search_backward): Likewise.
14524 (df_iterative_dataflow): Likewise.
14525 (df_analyze_problem): Likewise.
14526 (df_compact_blocks): Likewise.
14527 (df_dump): Likewise.
14528 * df-scan.c (df_rescan_blocks): Likewise.
14529 (df_record_entry_block_defs): Likewise.
14531 * genconditions.c (write_conditions): Guard the definition of
14532 'insn_conditions' with the check on GCC version.
14533 (write_writer): Guard the traversal 'insn_conditions' with
14534 the check on GCC version.
14536 2006-02-07 Richard Guenther <rguenther@suse.de>
14540 2006-01-30 Richard Guenther <rguenther@suse.de>
14542 * gimplify.c (gimplify_target_expr): Handle easy cases
14543 without creating a temporary.
14545 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14547 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14548 use of float in probability computations. Use edge probabilities
14549 in place of statically computed probabilities.
14550 (min_spec_prob): New static variable.
14551 (schedule_insns): Initialize it.
14552 (GET_SRC_PROB): Removed.
14553 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14555 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14558 * config/ia64/unwind-ia64.c: Revert last change.
14559 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14560 (INCOMING_FRAME_SP_OFFSET): Define.
14562 2006-02-06 Roger Sayle <roger@eyesopen.com>
14564 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14566 2006-02-07 Ben Elliston <bje@au.ibm.com>
14568 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14569 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14570 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14571 (ix86_return_in_memory): Handle TDmode.
14572 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14573 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14575 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14577 * reorg.c (dbr_schedule): Use dump_file instead of file.
14579 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14582 * config/ia64/predicates.md (extr_len_operand): New predicate.
14583 * config/ia64/ia64.md (extv): Tighten constraints.
14585 (*tbit_and_2): Ditto.
14586 (*tbit_and_3): Ditto.
14587 (*tbit_or_2): Ditto.
14588 (*tbit_or_3): Ditto.
14589 (*bit_zero): Ditto.
14592 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14595 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14597 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14599 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14600 loop_optimizer_init and loop_optimizer_finalize
14601 * tree-ssa-sink.c (execute_sink_code): Ditto.
14602 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14603 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14604 tree_ssa_loop_done): Ditto.
14605 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14606 * sched-ebb.c: Include output.h.
14607 (schedule_ebbs): Do not use dump argument.
14608 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14609 * loop.c (loop_dump_stream): Removed.
14610 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14612 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14613 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14614 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14615 loop_iterations, strength_reduce, record_biv, record_giv,
14616 final_giv_value, check_final_value, check_ext_dependent_givs,
14617 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14618 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14619 dump_file instead of loop_dump_stream.
14620 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14621 argument dump_file.
14622 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14624 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14625 * haifa-sched.c: Include output.h
14626 (schedule_insns, sched_init): Do not use dump argument.
14627 * mode-switching.c (optimize_mode_switching): Ditto.
14628 * modulo-sched.c (stats_file): Removed.
14629 (print_node_sched_params): Do not call argument dump_file.
14630 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14631 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14633 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14635 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14636 rtl_loop_init, rtl_loop_done): Ditto.
14637 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14638 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14640 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14641 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14642 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14643 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14644 * emit-rtl.c (renumber_insns): Ditto.
14645 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14646 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14647 * regclass.c (regclass): Ditto.
14648 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14649 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14650 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14651 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14653 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14654 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14656 * gcse.c (gcse_file, debug_stderr): Removed.
14657 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14658 rest_of_handle_gcse): Do not use dump argument.
14659 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14660 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14661 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14662 compute_code_hoist_vbeinout, compute_code_hoist_data,
14663 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14664 compute_store_table, build_store_vectors, insert_insn_start_bb,
14665 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14666 store_motion): Use dump_file instead of gcse_file.
14667 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14668 * profile.c (profile_dump_file): Removed.
14669 (branch_prob): Use dump_file instead of profile_dump_file.
14670 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14672 * tree-ssa-copy.c (dump_copy_of): Ditto.
14673 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14674 dump file to life_analysis.
14675 * bt-load.c (branch_target_load_optimize): Ditto.
14676 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14678 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14679 regclass, dbr_schedule): Declaration changed.
14680 * sched-int.h (sched_init): Declaration changed.
14681 * tree-profile.c (tree_profile_dump_file): Removed.
14682 (tree_profile_hooks): Removed profile_dump_file hook.
14683 * rtl-profile (rtl_profile_dump_file): Removed.
14684 (rtl_profile_hooks): emoved profile_dump_file hook.
14685 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14687 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14688 * tree-cfg.c (build_tree_cfg): Ditto.
14689 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14690 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14691 Declaration changed.
14692 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14693 life_analysis and schedule_insns.
14694 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14696 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14698 * config/mips/mips.c (mips_reorg): Ditto.
14699 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14702 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14704 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14705 (s390_mangle_fundamental_type): New.
14706 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14709 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14710 (alpha_mangle_fundamental_type): New.
14711 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14714 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14716 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14718 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14719 (sparc_mangle_fundamental_type): New.
14721 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14723 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14724 (s390x-*-linux*): Likewise.
14725 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14726 * config/s390/t-linux: New file.
14728 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14730 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14731 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14733 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14735 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14736 (ANTIC_SAFE_LOADS): New macro.
14737 (find_or_generate_expression): Add prototype.
14738 (set_contains_value): Allow null set for sake of not always having
14739 to allocate ANTIC_SAFE_LOADS.
14740 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14741 Allow COMPONENT_REF too.
14742 (valid_in_set): Allow COMPONENT_REF.
14743 Check ANTIC_SAFE_LOADS too.
14744 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14745 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14747 (can_PRE_operation): Add COMPONENT_REF.
14748 (create_component_ref_by_pieces): New function.
14749 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14750 (insert_aux): Move AGGREGATE_TYPE_P check here.
14751 (compute_avail): Set bb local stmt uids.
14752 (pass_pre): Use TODO_update_ssa_only_virtuals.
14754 2006-02-06 Ben Elliston <bje@au.ibm.com>
14756 * configure.ac: Unconditionally disable decimal float by default.
14757 * configure: Regenerate.
14759 2006-02-06 Ben Elliston <bje@au.ibm.com>
14761 * read-rtl.c (read_name): Terminate reading on EOF.
14763 2006-02-06 Ben Elliston <bje@au.ibm.com>
14765 * dfp.c (decimal_real_arithmetic): Change second argument type
14766 from int to enum tree_code. Do not always return true, but now
14767 return result of any call to decimal_do helper functions.
14768 * dfp.h (decimal_real_arithmetic): Update prototype.
14770 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14772 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14774 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14777 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14780 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14782 * tree-vrp.c (cfg_loops): Removed.
14783 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14784 Use current_loops instead of cfg_loops. Pass flags to
14785 loop_optimizer_init.
14786 * cfgloopmanip.c (fix_loop_structure): Update only available
14788 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14789 loop_optimizer_init.
14790 * modulo-sched.c (build_loops_structure): Removed.
14791 (sms_schedule): Use loop_optimizer_init.
14792 * loop-init.c (loop_optimizer_init): Use flags to determine
14793 which properties of loops to prepare.
14794 (rtl_loop_init): Pass flags to loop_optimizer_init.
14795 * tree-ssa-sink.c (execute_sink_code): Ditto.
14796 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14797 * tree-ssa-pre.c (init_pre): Ditto.
14798 * cfgloop.h (LOOPS_NORMAL): New.
14799 (loop_optimizer_init): Declaration changed.
14801 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14803 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14804 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14806 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14808 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14810 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14811 * pa/t-pa64: Delete quadlib.c rule.
14812 * pa/x-ada: Revert last change.
14813 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14815 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14817 PR rtl-optimization/26087
14818 * rtlanal.c (canonicalize_condition): Do not cross basic block
14821 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14824 * config/ia64/ia64.c: Include debug.h.
14825 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14826 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14827 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14828 (process_epilogue, process_set, process_for_unwind_directive):
14829 Output unwind info only if requested. Add CFA info if requested.
14830 Add new arguments as needed. Adjust callers.
14831 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14833 (DWARF2_FRAME_INFO): Define to zero.
14834 * config/ia64/unwind-ia64.c: Remove code that compensated for
14835 the CFA offset error fixed above.
14836 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14837 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14838 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14839 -funwind-tables and -fexceptions to enable frame info.
14840 (dwarf2out_frame_init): Define initial CFA even if
14841 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14842 DWARF2_UNWIND_INFO is nonzero, not just defined.
14843 (dwarf2out_frame_finish): Output non-EH call frame info only
14844 if DWARF2_FRAME_INFO is nonzero.
14845 (convert_cfa_to_loc_list,
14846 compute_frame_pointer_to_cfa_displacement): Define even if
14847 unwind info is not supported.
14848 (gen_subprogram_die): Use the above unconditionally. Remove
14849 legacy alternate code.
14850 * toplev.c (compile_file): Compile in call to
14851 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14852 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14854 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14855 Jakub Jelinek <jakub@redhat.com>
14857 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14858 IBM extended float format long double as "g" on powerpc*-linux.
14860 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14863 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14864 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14866 2006-02-03 Jason Merrill <jason@redhat.com>
14869 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14871 PR middle-end/25977
14872 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14873 on the return slot if it's an NRV.
14875 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14877 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14878 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14879 rewrite_use): Do not handle USE_OUTER.
14880 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14881 add_iv_outer_candidates, may_replace_final_value,
14882 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14883 (find_interesting_uses_op): Functionality of
14884 find_interesting_uses_outer_or_nonlin moved here.
14885 (find_interesting_uses_outside): Use find_interesting_uses_op.
14887 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14890 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14892 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14893 Ulrich Weigand <uweigand@de.ibm.com>
14896 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14897 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14898 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14899 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14901 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14902 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14903 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14904 Define secondary reloads for TFmode moves.
14905 (constant_modes): Add TFmode.
14906 (NR_C_MODES): Set to 8.
14907 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14909 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14910 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14911 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14912 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14913 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14914 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14915 (FPR mode macro): Add TFmode.
14916 (DSF mode macro): New.
14917 (<de>, <dee> mode attributes): Removed.
14918 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14919 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14920 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14921 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14922 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14923 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14924 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14925 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14926 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14927 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14928 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14929 "*negabs<mode>2", "sqrt<mode>2"):
14930 Changed <de> to <xde>. R constraint replaced by <Rf>.
14931 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14933 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14934 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14935 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14937 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14938 "extenddftf2", "extendsftf2"): New expanders.
14939 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14940 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14941 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14942 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14944 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14945 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14946 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14947 __floatditf): Add a GCC_4.1.0 symbol version tag.
14948 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14951 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14954 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14955 Use targetm.binds_local_p instead of TREE_PUBLIC.
14957 2006-02-02 Roger Sayle <roger@eyesopen.com>
14959 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14960 on INTEGER_TYPEs to indicate that it denotes a character type.
14961 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14962 signed_char_type_node, unsigned_char_type_node and char_type_node.
14963 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14964 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14965 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14967 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14968 Daniel Berlin <dberlin@dberlin.org>
14970 * tree-tailcall.c (arg_needs_copy_p): New function.
14971 (eliminate_tail_call): Use arg_needs_copy_p.
14972 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14973 (add_virtual_phis): New function.
14975 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14977 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14978 #ignore instead of #scratch for %g7 .register directive.
14980 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14982 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14985 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14987 * flow.c (calculate_global_regs_live): Assert that there aren't any
14990 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14992 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14993 what its name says.
14994 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14995 bsi_after_labels iterator.
14996 * tree-if-conv.c (find_phi_replacement_condition,
14997 replace_phi_with_cond_modify_expr): Likewise.
14998 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14999 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15001 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15003 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15005 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15008 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15009 array after growing it.
15011 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15013 PR middle-end/24901
15014 * fold-const.c (fold_checksum_tree): Change type of buf.
15016 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15018 * reload.c (push_secondary_reload): Initialize t_icode.
15020 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15022 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15023 -msoft-float -mlong-double-128 only issue a warning, but don't
15024 swich to DFmode long double.
15026 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15028 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15029 has a constant equivalent, iterate over equivalents for arg0,
15030 calling simplify_relational_operation and if there's a result
15031 cheaper than X, apply fold_rtx and return the result.
15033 2006-02-01 Jan Hubicka <jh@suse.cz>
15035 * opts.c (no_unit_at_a_time_default): New global variable.
15036 (decode_options): Use it.
15037 * opts.h (no_unit_at_a_time_default): Declare.
15039 2006-02-01 Paul Brook <paul@codesourcery.com>
15041 * function.c (assign_parm_setup_reg): Use function argument promotion
15043 * expr.c (expand_expr_real_1): Use function argument promotion rules
15046 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15048 * gcc.c (process_command): Change j to 'unsigned int'.
15050 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15052 PR middle-end/26001
15053 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15054 Use the corrected index for the character
15055 out of the string constant.
15057 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15059 * mode-switching.c (optimize_mode_switching): Fix size
15060 allocated for bb_info[n_entities].
15062 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15064 * gcc.c (main): Correct type that is allocated for
15065 explicit_link_files.
15067 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15069 * config/s390/s390.c (init_alignment_context): Set
15070 ALIAS_SET_MEMORY_BARRIER on the MEM.
15071 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15073 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15075 PR middle-end/25933
15076 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15078 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15081 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15083 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15084 * regrename.c: Ditto.
15085 * tree-ssa-loop-im.c: Ditto.
15086 * tree-dump.c: Ditto.
15087 * tree-complex.c: Ditto.
15088 * genrecog.c: Ditto.
15089 * tree-ssa-threadupdate.c: Ditto.
15091 * java/class.c: Ditto.
15092 * java/jcf-parse.c: Ditto.
15093 * java/resource.c: Ditto.
15094 * java/except.c: Ditto.
15095 * java/jvspec.c: Ditto.
15096 * java/jcf-write.c: Ditto.
15097 * java/jcf-path.c: Ditto.
15098 * java/gjavah.c: Ditto.
15099 * java/zextract.c: Ditto.
15100 * java/jcf-io.c: Ditto.
15101 * java/jcf.h: Ditto.
15102 * java/buffer.c: Ditto.
15103 * java/lang.c: Ditto.
15104 * java/parse-scan.y: Ditto.
15105 * java/lex.c: Ditto.
15106 * java/lex.h: Ditto.
15107 * cfgloopmanip.c: Ditto.
15108 * postreload-gcse.c: Ditto.
15109 * tree-ssa-loop-manip.c: Ditto.
15110 * postreload.c: Ditto.
15111 * tree-ssa-loop-ch.c: Ditto.
15114 * cppspec.c: Ditto.
15115 * diagnostic.c: Ditto.
15117 * genoutput.c: Ditto.
15119 * cfghooks.c: Ditto.
15120 * cfgloopanal.c: Ditto.
15121 * objc/objc-act.c: Ditto.
15123 * genextract.c: Ditto.
15124 * genautomata.c: Ditto.
15125 * pretty-print.c: Ditto.
15126 * genemit.c: Ditto.
15127 * cgraphunit.c: Ditto.
15129 * df-scan.c: Ditto.
15130 * haifa-sched.c: Ditto.
15131 * dominance.c: Ditto.
15133 * tree-ssa-loop-ivopts.c: Ditto.
15134 * df-core.c: Ditto.
15135 * mode-switching.c: Ditto.
15136 * modulo-sched.c: Ditto.
15138 * ipa-pure-const.c: Ditto.
15140 * fix-header.c: Ditto.
15142 * tree-stdarg.c: Ditto.
15143 * ipa-utils.c: Ditto.
15144 * loop-init.c: Ditto.
15145 * ipa-inline.c: Ditto.
15146 * cfganal.c: Ditto.
15148 * alloc-pool.c: Ditto.
15149 * dwarf2out.c: Ditto.
15151 * genattrtab.c: Ditto.
15152 * tree-ssa-loop-ivcanon.c: Ditto.
15153 * predict.c: Ditto.
15154 * timevar.c: Ditto.
15156 * fortran/gfortranspec.c: Ditto.
15157 * regmove.c: Ditto.
15158 * local-alloc.c: Ditto.
15159 * langhooks.c: Ditto.
15160 * function.c: Ditto.
15161 * tree-vectorizer.c: Ditto.
15163 * ipa-type-escape.c: Ditto.
15165 * tree-if-conv.c: Ditto.
15166 * profile.c: Ditto.
15168 * tree-data-ref.c: Ditto.
15169 * loop-unroll.c: Ditto.
15170 * treelang/treetree.c: Ditto.
15172 * bt-load.c: Ditto.
15173 * ggc-common.c: Ditto.
15175 * coverage.c: Ditto.
15177 * tree-cfgcleanup.c: Ditto.
15178 * tree-ssa-pre.c: Ditto.
15179 * cfgcleanup.c: Ditto.
15180 * loop-invariant.c: Ditto.
15181 * loop-iv.c: Ditto.
15182 * ipa-prop.c: Ditto.
15183 * print-tree.c: Ditto.
15184 * conflict.c: Ditto.
15185 * ggc-page.c: Ditto.
15186 * sched-deps.c: Ditto.
15187 * regclass.c: Ditto.
15188 * tree-object-size.c: Ditto.
15189 * combine.c: Ditto.
15190 * bb-reorder.c: Ditto.
15191 * resource.c: Ditto.
15192 * var-tracking.c: Ditto.
15193 * cfgloop.c: Ditto.
15194 * df-problems.c: Ditto.
15195 * reg-stack.c: Ditto.
15197 * gccspec.c: Ditto.
15198 * sched-rgn.c: Ditto.
15199 * tree-ssa-structalias.c: Ditto.
15200 * tree-ssa-reassoc.c: Ditto.
15201 * config/darwin-c.c: Ditto.
15202 * config/darwin.c: Ditto.
15203 * config/arm/arm.c: Ditto.
15205 * collect2.c: Ditto.
15206 * reload1.c: Ditto.
15208 2006-01-31 Nicolas Pitre <nico@cam.org>
15210 * arm.md (smaxsi3): Make aware of smax_m1.
15213 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15215 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15217 2006-01-31 Richard Guenther <rguenther@suse.de>
15219 * doc/invoke.texi (-msselibm): Document.
15220 * target.h (expand_library_builtin): New target hook.
15221 * builtins.c (expand_builtin): Use expand_library_builtin.
15222 (default_expand_library_builtin): New function.
15223 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15224 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15225 (link_gcc_math_spec): Declare.
15226 (static_specs): Add link_gcc_math_spec.
15227 * expr.h (default_expand_library_builtin): Declare.
15228 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15229 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15230 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15231 * config/i386/i386.opt (msselibm): New target option.
15232 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15233 (ix86_init_sse_abi_builtins): New function.
15234 (ix86_expand_library_builtin): Likewise.
15235 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15236 (override_options): Handle error conditions wrt -msselibm.
15237 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15238 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15239 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15242 2006-01-31 Richard Guenther <rguenther@suse.de>
15243 Paolo Bonzini <bonzini@gnu.org>
15245 * doc/install.texi (--disable-libgcc-math): Document.
15247 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15249 * expr.h (expand_normal): new inline function.
15250 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15251 * dojump.c: use it.
15252 * dwarf2out.c: use it.
15255 * expmed.c: use it.
15256 * except.c: use it.
15257 * config/sparc/sparc.c: use it.
15258 * config/i386/i386.c: use it.
15259 * config/rs6000/rs6000.c: use it.
15260 * config/arm/arm.c: use it.
15261 * config/mips/mips.c: use it.
15262 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15264 2006-01-30 Roger Sayle <roger@eyesopen.com>
15266 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15267 argv to the appropriate type.
15269 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15271 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15274 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15277 * config/s390/s390.c (struct machine_function): New flag
15278 decomposed_literal_pool_addresses_ok_p.
15279 (s390_reorg): Set it before final stage of literal pool transforms.
15280 (s390_decompose_address): Only accept displacements of the form
15281 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15283 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15285 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15286 the comparison routine return.
15288 2006-01-30 Michael Matz <matz@suse.de>
15290 * global.c (find_reg): Only evict for global regs.
15291 Take n_refs into account and dump more info.
15293 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15296 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15297 (pragma_trap, pragma_nosave_low_regs): Likewise.
15298 (current_function_anonymous_args): Likewise.
15299 (sh_deferred_function_attributes): New variable.
15300 (sh_deferred_function_attributes_tail): Likewise.
15301 (print_operand): For '@', look up trap_exit attribute.
15302 (calc_live_regs): Look up trapa_handler attribute. For trapa
15303 handlers, save/restore fpscr, but don't do any other
15304 interrupt-specific saves.
15305 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15306 Fix check for partially saved registers to check for SHmedia.
15307 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15308 (sh_output_function_epilogue): Don't clear any of the removed
15310 (sh_insert_attributes): Don't check pragma_interrupt.
15311 Insert deferred attributes. Check that interrupt attribute is
15312 present for other attributes that require its presence.
15313 (sh_attribute_table): Add new attributes trapa_handler and
15315 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15316 Don't check for pragma_interrupt. Don't store argument.
15317 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15318 (sh_deferred_function_attributes): Declare.
15319 (sh_deferred_function_attributes_tail): Likewise.
15320 * sh.md (sp_switch_1): Add operand. Change generator caller.
15321 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15322 (*return_i): Don't use when trap_exit attribute is in effect.
15323 (*return_trapa): New insn pattern.
15324 * sh-c.c: New file.
15325 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15326 setting c_target_objs and cxx_target_objs.
15327 * t-sh: Add rule for sh-c.o.
15329 2006-01-30 Richard Guenther <rguenther@suse.de>
15332 * gimplify.c (gimplify_target_expr): Handle easy cases
15333 without creating a temporary.
15335 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15337 * vec.h (safe_grow): Remove duplicated line.
15339 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15342 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15343 (expand_omp): ... here.
15344 (expand_omp_parallel): Only remove barriers for combined
15345 parallel+workshare constructs.
15347 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15351 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15352 * tree.c (build_qualified_type): Chain the new type to the original
15353 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15354 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15355 (build_pointer_type_for_mode): Only return unqualified types.
15356 (build_reference_type_for_mode): Likewise.
15358 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15360 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15361 * Makefile.in (CXX_COMPAT_WARN): Define.
15362 * configure: Regenerate.
15364 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15367 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15370 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15372 * toplev.c: Fix thinko.
15374 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15375 Marcin Dalecki <martin@dalecki.de>
15377 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15378 (push_srcloc): Use XNEW.
15379 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15381 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15383 * df-core.c (df_set_blocks): Deleted all variable.
15385 2006-01-28 Ian Lance Taylor <ian@airs.com>
15387 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15388 cgraph_output_pending_asms.
15390 2006-01-28 Zack Weinberg <zackw@panix.com>
15392 * c.opt: Add -W(no-)overlength-strings.
15393 * doc/invoke.texi: Document it.
15394 * c-opts.c (c_common_handle_option): -pedantic implies
15395 -Woverlength-strings, if not explicitly disabled already.
15396 (c_common_post_options): -Woverlength-strings defaults to off, and
15397 is always off for C++.
15398 * c-common.c (fix_string_type): Issue warning about strings longer
15399 than is portable only if warn_overlength_strings. Rearrange code
15400 a little for clarity.
15401 * configure.in: Check for -Wno-overlength-strings as well before
15402 enabling -pedantic in stage 1.
15403 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15404 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15406 * genconditions.c (write_header, write_one_condition)
15407 (write_conditions, write_writer): Consolidate very long strings
15408 that were broken up to fit in C89 portable limit. Don't use
15409 printf when fputs will do.
15411 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15413 * combine.c (simplify_comparison <AND>): Check
15414 TRULY_NOOP_TRUNCATION before start using a subreg.
15416 * config/mips/mips.md (*branch_zero<mode>,
15417 *branch_zero<mode>_inverted, *branch_equality<mode>,
15418 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15419 Remove mode check from comparisons.
15421 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15423 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15425 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15427 * expmed.c (const_mult_add_overflow_p): Remove.
15428 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15430 * recog.c (validate_replace_rtx_subexp): Remove.
15431 * recog.h: Remove the prototype for
15432 validate_replace_rtx_subexp.
15434 * integrate.h: Remove the prototype for
15435 copy_decl_for_inlining.
15436 * rtl.h: Remove the prototype for mark_constant_function.
15437 * tree-vectorizer.h: Remove the prototype for
15438 vect_strip_conversion.
15440 * modulo-sched.c (create_partial_schedule,
15441 free_partial_schedule, reset_partial_schedule): Make them
15444 * hooks.c (hook_bool_rtx_int_false): Remove.
15445 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15447 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15449 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15450 and -mlong-double-128 are incompatible.
15451 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15452 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15453 (TARGET_LIBGCC2_CFLAGS): Define.
15454 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15455 (TARGET_LIBGCC2_CFLAGS): Same.
15456 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15458 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15461 * c-typeck.c (build_binary_op): Perform implicit casts of
15462 operands before shortening them.
15464 * cfgloopmanip.c (split_loop_bb): Remove.
15465 * cfgloop.h: Remove the prototype for split_loop_bb.
15467 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15468 * cfgloop.h: Remove the prototype for
15469 flow_loop_outside_edge_p.
15471 * emit-rtl.c (init_virtual_regs): Make it static.
15472 * function.h: Remove the prototype for init_virtual_regs.
15474 * recog.c (peephole2_optimize): Make it static.
15475 * recog.h: Remove the prototype for peephole2_optimize.
15477 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15479 * df-scan.c (df_record_entry_block_defs): Check if
15480 INCOMING_RETURN_ADDR_RTX is defined.
15482 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15483 Kenneth Zadeck <zadeck@naturalbridge.com>
15485 PR rtl-optimization/24762
15486 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15487 * targhooks.c (hook_void_bitmap): New hook prototype.
15488 * targhoohs.h (hook_void_bitmap): Ditto.
15489 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15490 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15491 * target.h (live_on_entry): New function pointer.
15492 * df-scan.c (df_all_hard_regs): Removed.
15493 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15494 (df_scan_free_internal): Added df->entry_block_defs.
15495 (df_scan_alloc): Ditto.
15496 (df_scan_dump): Ditto.
15497 (df_uses_record): Plumbed flag field properly thru calls.
15498 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15499 This part fixes PR24762.
15500 (df_bb_refs_record): Added code to make the frame and arg
15501 pointers live in EH blocks.
15502 (df_refs_record): Added call to df_record_entry_block_defs.
15503 (df_record_entry_block_defs): New function.
15504 * df-core.c: Added comments to describe new artifical defs.
15505 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15506 (entry_block_defs): New field in struct df.
15507 (df_all_hard_regs): Deleted.
15508 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15509 * df-problems.c (df_ru_bb_local_compute_process_def):
15510 Added code to handle artifical defs in the entry to a function.
15511 (df_ru_bb_local_compute): Ditto.
15512 (df_rd_bb_local_compute_process_def): Ditto.
15513 (df_rd_bb_local_compute): Ditto.
15514 (df_lr_bb_local_compute): Ditto.
15515 (df_ur_bb_local_compute): Ditto.
15516 (df_urec_bb_local_compute): Ditto.
15517 (df_chain_create_bb): Ditto.
15518 (df_ur_local_finalize): Removed entry.
15519 (df_urec_init): Ditto.
15520 (df_urec_local_finalize): Ditto.
15521 (df_ri_bb_compute): Added detection of last use of pseudos.
15522 * Makefile.in (df-scan.o): Updated dependencies.
15523 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15524 * config/mips/mips.c (mips_set_live_on_entry): Added.
15525 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15527 * dce.c (marked_insn_p): Added code to handle artifical defs.
15529 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15531 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15533 (_mm_cvtsi128_si64): Likewise.
15534 (_mm_cvtsd_si64): Likewise.
15535 (_mm_cvttsd_si64): Likewise.
15536 (_mm_cvtsi64_sd): Likewise.
15537 (_mm_cvtsi64_si128): Likewise.
15538 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15539 (_mm_cvtsi64_m64): Likewise.
15540 (_m_to_int64): Likewise.
15541 (_mm_cvtm64_si64): Likewise.
15542 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15543 (_mm_cvttss_si64): Likewise.
15544 (_mm_cvtsi64_ss): Likewise.
15545 (_mm_cvtss_f32): Likewise.
15547 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15549 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15550 for pragma redefine_extname.
15552 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15555 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15556 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15557 -mno-minimal-toc to previous content.
15558 (bispecs): Remove goal.
15559 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15560 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15561 compatibility aliases on powerpc-*-*gnu*.
15562 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15563 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15564 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15565 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15566 (ldblspecs): New goal.
15567 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15568 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15570 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15571 L_sf_to_tf or L_df_to_tf is defined.
15573 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15574 Alan Modra <amodra@bigpond.net.au>
15577 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15578 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15579 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15580 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15581 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15582 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15583 (rs6000_override_options): Initialize rs6000_ieeequad.
15584 Initialize TFmode format to ibm_extended_format if not
15586 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15588 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15589 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15590 (function_arg_advance): IBM long double passed in two FPRs, not
15592 (function_arg): IBM long double passed in FPRs.
15593 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15594 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15595 Only multireg GPR aligned.
15596 (rs6000_init_libfuncs): Enable IBM long double functions if not
15598 (rs6000_generate_compare): Use IBM long double compare if not
15600 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15601 (TARGET_IEEEQUAD): Define.
15602 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15603 not TARGET_IEEEQUAD.
15604 * config/rs6000/rs6000.md: Enable TFmode patterns if
15606 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15607 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15608 and -mlong-double-128 are incompatible.
15609 * doc/invoke.texi (-mabi): Collect options together. Add
15610 ibmlongdouble and ieeelongdouble.
15612 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15614 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15616 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15617 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15618 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15619 * rtl.h (rtunion_def): Remove rt_ptr.
15621 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15622 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15623 * config/i386/winnt.c (i386_pe_mark_dllexport)
15624 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15626 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15628 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15634 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15635 pthread_key_delete. From John David Anglin. gthrw-ify
15636 pthread_getunique_np only if it it's not a macro. Delete
15638 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15639 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15640 __gthread_objc_condition_signal, __gthread_key_delete): Add
15641 "__attribute__ ((__unused__))" to unused arguments.
15642 (__gthread_recursive_mutex_init_function): Add missing return.
15643 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15644 gthr-posix95.h: Use macro-based approach for name redirection
15645 on targets missing weakref.
15647 2006-01-26 Zack Weinberg <zackw@panix.com>
15649 * genconditions.c (write_header): In generated code, #ifdef out
15650 all includes and fake declarations, except includes of bconfig.h
15651 and system.h, unless GCC_VERSION >= 3001. Do not include
15652 gensupport.h in any case.
15653 (write_conditions): Generate a definition of struct c_test. Add
15654 a comment to the generated #endif.
15655 (write_one_condition): Escape backslashes in string too.
15656 (write_writer): Generated code must escape backslashes and quote
15657 marks (but not newlines) in the strings it writes.
15658 * Makefile.in (build/gencondmd.o): Update dependencies.
15660 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15663 * Makefile.in (insn-automata.o): Add header file dependencies.
15664 * genautomata.c: Add includes.
15666 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15669 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15671 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15673 * configure.ac: Expect target tools paths to be passed from the toplevel
15674 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15676 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15678 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15681 * c.opt (Wpointer-sign): Init to -1.
15682 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15683 OPT_pedantic, to 0 otherwise.
15684 * doc/invoke.texi: Update.
15686 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15688 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15689 constants provided by 80387 instructions in the destination mode.
15691 2006-01-26 Richard Guenther <rguenther@suse.de>
15692 Andrew Pinski <pinskia@physics.uc.edu>
15695 partial PR tree-opt/17064
15696 * tree-ssa-structalias.c (intra_create_variable_infos):
15697 Create heap variables for incoming parameters if
15698 flag_argument_noalias > 1.
15699 (find_what_p_points_to): Look through default defs of
15702 2006-01-26 Jeff Law <law@redhat.com>
15705 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15706 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15707 within the VR_RANGE, use the VR_RANGE as the result, not the
15709 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15710 bounds for the type.
15712 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15714 * tree-ssa-alias.c (maybe_create_global_var): Change
15715 subvar walking to an assertion that we don't have subvar'd variables.
15717 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15720 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15721 Use a new variable, inner. PARM_DECLs are always non-weak.
15723 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15725 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15726 --disable-checking.
15728 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15730 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15732 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15734 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15735 (smax_insn, smin_insn, smax_0, smin_0): New.
15737 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15740 * config/cris/cris.c (cris_order_for_addsi3): New function.
15741 * config/cris/cris-protos.h: Prototype it.
15742 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15743 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15744 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15745 (split for "op.S1 [rx=rx+i],ry (swapped)")
15746 (split for "op(s|u).S1 [rx=rx+i],ry")
15747 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15748 Apply cris_order_for_addsi3 when generating addsi3 insns.
15750 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15752 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15753 (TREE_BLOCK): Add call to EXPR_CHECK.
15755 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15758 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15759 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15760 (dump_omp_clauses): ... here.
15761 (dump_generic_node): Handle OMP_CLAUSE.
15762 * tree.c (omp_clause_num_ops): New.
15763 (omp_clause_code_name): New.
15764 (tree_code_size): Handle OMP_CLAUSE.
15765 (tree_size): Likewise.
15766 (make_node): Document handling of OMP_CLAUSE.
15767 (tree_node_structure): Handle OMP_CLAUSE.
15768 (omp_clause_check_failed): New.
15769 (omp_clause_range_check_failed): New.
15770 (omp_clause_operand_check_failed): New.
15771 (build_omp_clause): New.
15772 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15773 * tree.h (enum omp_clause_code): Declare.
15774 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15775 (OMP_CLAUSE_RANGE_CHECK): Define.
15776 (OMP_CLAUSE_ELT_CHECK): Define.
15777 (omp_clause_check_failed): Declare.
15778 (omp_clause_operand_check_failed): Declare.
15779 (omp_clause_range_check_failed): Declare.
15780 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15781 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15782 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15783 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15784 (OMP_CLAUSE_IF_EXPR): Likewise.
15785 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15786 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15787 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15788 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15789 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15790 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15791 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15792 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15793 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15794 (OMP_CLAUSE_CODE): Define.
15795 (OMP_CLAUSE_SET_CODE): Define.
15796 (OMP_CLAUSE_CODE): Define.
15797 (OMP_CLAUSE_OPERAND): Define.
15798 (struct tree_omp_clause): Declare.
15799 (union tree_node): Add field 'omp_clause'.
15800 * treestruct.def (TS_OMP_CLAUSE): Define.
15801 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15802 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15803 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15804 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15805 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15806 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15807 (OMP_CLAUSE): Define.
15808 * print-tree.c (print_node): Handle OMP_CLAUSE.
15809 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15810 * c-typeck.c: Likewise.
15811 * gimplify.c: Likewise.
15812 * c-omp.c: Likewise.
15813 * tree-nested.c: Likewise.
15814 * tree-inline.c: Likewise.
15815 * c-parser.c: Likewise.
15816 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15819 2006-01-25 Roger Sayle <roger@eyesopen.com>
15821 PR rtl-optimization/25703
15822 * combine.c (try_combine): Handle zero_extract and strict_low_part
15823 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15825 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15827 * global.c: Fix comment typos.
15829 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15832 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15833 Use output_addr_const instead of assemble_name.
15835 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15837 * Makefile.in (sched-vis.o): Update dependencies.
15838 * haifa-sched.c (sched_finish): Clear current_sched_info.
15839 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15840 (dump_flow_info): Call it.
15841 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15843 * basic-block.h (dump_bb_info): Declare.
15844 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15845 option, and apply options only for dump files whose TDF_RTL,
15846 TDF_TREE, or TDF_IPA bits match.
15847 * rtl.h: Declare new functions exported from sched-vis.c.
15848 * sched-vis.c: Enable also if scheduling is not used.
15849 (print_value): Print the mode of registers if not inside scheduling.
15850 (print_insn): Make it work outside the scheduler. Beautify the output
15852 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15854 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15856 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15857 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15858 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15859 depending on the value of CONSTANT_POOL_ADDRESS_P.
15860 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15862 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15863 rather than SYMBOL_REF_DECL.
15864 (rtx_constant_pool): Remove const_rtx_sym_htab.
15865 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15866 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15867 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15868 Remove handling of const_rtx_sym_htab.
15869 (find_pool_constant): Delete.
15870 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15871 rather than find_pool_constant.
15872 (get_pool_constant_for_function): Delete.
15873 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15874 find_pool_constant.
15875 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15876 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15877 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15878 (SYMBOL_REF_CONSTANT): New macro.
15879 (get_pool_constant_for_function): Delete.
15880 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15881 rather than SYMBOL_REF_DECL.
15882 (i386_pe_mark_dllimport): Likewise.
15883 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15884 rather than SYMBOL_REF_DECL.
15885 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15886 (machopic_indirect_call_target): Likewise.
15888 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15890 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15892 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15894 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15896 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15898 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15900 2006-01-24 David Daney <ddaney@avtrex.com>
15903 * configure.ac (enable_tls): New enable option.
15904 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15905 * configure: Regenerate.
15906 * doc/install.texi (--enable-tls): Document new option.
15907 (--disable-tls): Ditto.
15909 2006-01-24 Richard Henderson <rth@redehat.com>
15911 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15912 * alias.c (true_dependence): Respect it.
15913 (canon_true_dependence, write_dependence_p): Likewise.
15914 * builtins.c (get_builtin_sync_mem): Set it.
15916 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15918 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15921 2006-01-24 DJ Delorie <dj@redhat.com>
15923 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15924 for storing constants in single-bit bitfields.
15926 2006-01-25 Ben Elliston <bje@au.ibm.com>
15928 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15930 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15933 * tree-ssa-pre.c (phi_translate): Return NULL
15934 for AGGREGATE_TYPE's.
15936 2006-01-24 Zack Weinberg <zackw@panix.com>
15938 * genautomata.c (process_state_for_insn_equiv_partition):
15939 Use xcalloc for insn_arcs_array.
15940 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15941 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15943 2006-01-24 Richard Henderson <rth@redhat.com>
15945 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15946 update all callers.
15948 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15950 PR rtl-optimization/25890
15951 PR rtl-optimization/25905
15952 * combine.c (expand_compound_operation, expand_field_assignment):
15953 Fail if the bitfield's final position is out of bounds.
15955 2006-01-24 Ian Lance Taylor <ian@airs.com>
15957 PR middle-end/25930
15958 * cgraphunit.c (cgraph_output_in_order): Don't clear
15959 cgraph_asm_nodes until after asm strings have been output.
15961 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15963 * fix-header.c (read_scan_file): Add new parameter imultilib when
15964 calling register_include_chains.
15966 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15968 * omp-low.c: Update documentation.
15970 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15971 Daniel Berlin <dberlin@dberlin.org>
15975 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15976 return from the function.
15978 2006-01-22 Zack Weinberg <zackw@panix.com>
15980 * rtl.def (match_code): Add second argument.
15981 * genpreds.c (write_extract_subexp): New function.
15982 (write_match_code): Add path argument. Use write_extract_subexp.
15983 (write_predicate_expr): Pass path to write_match_code.
15984 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15985 not perform a mode test.
15986 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15987 a subexpression does not constrain the top-level code set.
15988 * read-rtl.c (read_rtx_variadic): New function.
15989 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15990 * doc/md.texi: Document new notation.
15991 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15992 (cmpsi_operand): ... here, using new notation.
15994 2006-01-22 Zack Weinberg <zackw@panix.com>
15996 * varray.c: Remove GENERATOR_FILE #ifdefs.
15998 2006-01-22 Zack Weinberg <zackw@panix.com>
16000 * genautomata.c (output_reserved_units_table): Emit nothing if
16001 description->query_units_num is zero. Remove extra blank line.
16002 (output_cpu_unit_reservation_p): Short circuit
16003 if description->query_units_num is zero.
16005 2006-01-22 Zack Weinberg <zackw@panix.com>
16007 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16008 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16009 nor any of the random handful of variables that used to be necessary
16010 when this program was linked with rtlanal.o. Prune set of forward
16011 function declarations.
16012 (struct attr_desc): Remove static_p field.
16013 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16014 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16015 (attr_string): Do not read the character one past the length of
16017 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16018 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16019 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16020 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16021 (make_automaton_attrs): New.
16022 (main): Do not call into genautomata. Call local gen_bypass
16023 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16024 Remove special case for insn_alts.
16025 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16026 varray.h (leftover from previous change). Prune set of forward
16027 function declarations. Remove state_alts fields from all
16028 structures. Remove state_alts_table from struct automaton.
16029 Make everything except main static. Do not maintain num_dfa_decls.
16030 Do not maintain state_alts fields of various structures.
16031 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16032 (add_arc): Remove state_alts argument. All callers updated.
16033 (output_reserved_units_table): Emit #ifdef here...
16034 (output_tables): ...not here. Don't generate state_alts tables.
16035 (expand_automata): Don't generate attributes.
16036 (write_automata): Don't generate state_alts functions.
16037 (main): New function.
16038 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16039 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16040 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16041 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16042 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16043 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16044 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16045 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16047 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16048 * genattrtab.h: Delete file.
16049 * Makefile.in (OBJS-common): Add insn-automata.o.
16050 (insn-automata.o): New rule.
16051 (simple_generated_c): Add insn-automata.c.
16052 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16053 (genprogmd): Add automata.
16054 (build/genattrtab): Needs no extra objects nor libraries.
16055 (build/genautomata): Needs build/vec.o and -lm.
16057 2006-01-22 Zack Weinberg <zackw@panix.com>
16059 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16060 (output_dfa_max_issue_rate, locked_states_num): Delete.
16061 (struct automaton): Add locked_states field.
16062 (output_dead_lock_vect): Save number of locked states in
16063 automaton->locked_states. If it is zero, don't print anything.
16064 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16065 (output_internal_dead_lock_func): Only test the dead_lock_vect
16066 for automata that have locked states.
16067 (output_statistics): Always print the number of locked states for
16068 each automaton. Calculate total number of locked states here.
16069 (write_automata): Don't call output_dfa_max_issue_rate.
16070 * genattrtab.c: Define length_unit_log as a const variable.
16071 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16072 max_insn_queue_index const.
16073 * final.c (length_unit_log): Declare const.
16074 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16076 2006-01-22 Zack Weinberg <zackw@panix.com>
16078 * genautomata.c: Include vec.h, not varray.h.
16079 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16080 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16081 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16082 VEC_* macros operating on appropriately typed vectors, or to
16083 malloced arrays when the size is known in advance. Const-ify
16084 many char* variables and function arguments. No functional changes.
16085 * Makefile.in (build/varray.o): Delete rule.
16086 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16087 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16089 2006-01-22 Zack Weinberg <zackw@panix.com>
16091 * gensupport.c: Define get_insn_name and record_insn_name here.
16092 (read_md_rtx): Call record_insn_name as appropriate.
16093 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16094 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16095 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16097 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16098 (BUILD_VARRAY): Delete.
16099 (genprognormal): Rename genprogmd. Fold in all programs from
16100 genprognoprint; also attrtab.
16101 (build/genattrtab): Just mention genautomata.o and varray.o.
16102 Reorganize a bit, add comments to make the categories clearer.
16104 2006-01-22 Zack Weinberg <zackw@panix.com>
16106 * genconditions.c (condition_table, add_condition): Delete.
16107 (write_conditions): Don't emit n_insn_conditions nor
16108 insn_elision_unavailable. Issue the gcc version #ifdef here,
16109 inside the table, with no #else clause ...
16110 (write_header): ...not here.
16111 (write_writer): New function.
16112 (main): Don't initialize condition_table. Use add_c_test.
16114 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16115 files on the command line.
16116 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16117 Return -1 if there is no entry in the table, don't abort.
16118 (add_c_test, traverse_c_tests): New functions.
16119 * gensupport.h (insn_elision_unavailable, insn_conditions)
16120 (n_insn_conditions): Delete declarations.
16121 (add_c_test, traverse_c_tests): Declare.
16122 * read-rtl.c: Include gensupport.h.
16123 (read_conditions): New function.
16124 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16125 (read_rtx_1): If we get EOF when we were looking for an initial
16126 open paren, return 0. Call read_conditions when appropriate.
16127 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16128 dummy-conditions.o. Eliminate references to insn-conditions.o,
16129 or change them to build/gencondmd.o, as appropriate. Remove
16130 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16131 from $(simple_generated_c). For all files remaining in those
16132 two lists, add insn-conditions.md to the generator command line.
16133 Give insn-constants.h/s-constants their own rules. Add rules
16134 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16135 (build/read-rtl.o): Depend on gensupport.h.
16136 (genprognormal): Include preds.
16137 (genprogearly): Rename genprognoprint; only difference is now that
16138 they don't link with $(BUILD_PRINT).
16139 * dummy-conditions.c: Delete.
16141 2006-01-22 Zack Weinberg <zackw@panix.com>
16143 * genextract.c: Don't include insn-config.h. Do include vec.h.
16144 Declare vectors of int, char, and locstr.
16145 (locstr): New typedef.
16146 (struct extraction): Make all array fields into bare pointers.
16147 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16148 (insn_code_number): Delete.
16149 (accum_extract): New struct.
16150 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16151 (gen_insn): Take insn_code_number as an argument. Use an
16152 accum_extract structure instead of loading data directly into
16153 a struct extraction, and having to know how big it might get.
16154 (walk_rtx): Operate entirely on an accum_extract structure.
16155 (print_path): Avoid unnecessary use of printf.
16156 (print_header): New function, split out of main. Distinguish
16157 more carefully between an unrecognizable insn and an insn that
16158 has the code number of a define_expand.
16159 (main): Pass insn_code_number to gen_insn. Call print_header
16160 only after parsing. Avoid unnecessary use of printf.
16161 * Makefile.in (build/vec.o): New rule.
16162 (build/genextract): Depend on build/vec.o.
16163 (build/genextract.o): Don't depend on insn-config.h.
16165 2006-01-22 Zack Weinberg <zackw@panix.com>
16167 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16168 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16169 practical. Eliminate per-generator-program link rules.
16171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16173 PR middle-end/24437
16174 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16175 with a call expr to ...
16176 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16178 2006-01-23 Richard Guenther <rguenther@suse.de>
16180 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16181 before make_edge with conditional EDGE_TRUE_VALUE.
16183 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16184 Jan Hubicka <jh@suse.cz>
16185 Richard Guenther <rguenther@suse.de>
16187 PR rtl-optimization/25654
16188 * cfgexpand.c (aggregate_contains_union_type): New function.
16189 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16190 for structure variables that contain a union type.
16192 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16194 * gengtype.c (new_structure): Return the structure.
16195 (create_option): Add an extra "next" argument.
16196 (create_field): New function.
16197 (adjust_field_rtx_def): Use create_option and create_field.
16198 Remove a now-unnecessary call to find_structure.
16199 (adjust_field_tree_def): Likewise.
16200 (note_yacc_type): Remove an unnecessary call to find_structure.
16201 * gengtype.h (new_structure): Return the structure.
16202 (create_option): Add an extra argument.
16203 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16204 (option): Adjust calls to create_option.
16206 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16208 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16210 2006-01-22 Paul Brook <paul@codesourcery.com>
16211 Peter Barada <peter@the-baradas.com>
16213 * config/m68k/m68k.md: Add Coldfire FPU support.
16214 Define FP mode macro and associated attributes.
16215 Use it for float mode patterns.
16216 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16217 (LIBCALL_VALUE): Use m68k_libcall_value.
16218 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16219 (m68k_function_value): Ditto.
16220 (emit_move_sequence): Ditto.
16221 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16222 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16223 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16224 (MULTILIB_EXCEPTIONS): Ditto.
16225 * config/m68k/m68k.opt: Add mcfv4e.
16226 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16227 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16228 (m68k_output_function_prologue): Save ColdFire FPU registers.
16229 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16230 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16231 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16232 ColdFire FPU registers.
16233 (m68k_libcall_value, m68k_function_value): New functions.
16234 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16235 (LIBCALL_VALUE): Use m68k_libcall_value.
16236 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16237 (MASK_COLDFIRE): Add MASK_CFV4E.
16238 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16239 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16240 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16241 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16242 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16243 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16244 * doc/invoke.tex: Document -mcfv4e on m68k.
16246 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16248 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16251 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16254 * c-opts.c (c_common_handle_option): Don't include
16255 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16256 * doc/invoke.texi (C++ Dialect Options): Document that
16257 -Wnon-virtual-dtor is no longer included in -Wall.
16259 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16261 * gcov.c (print_version), gcov-dump.c (print_version),
16262 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16265 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16267 * df-scan.c (problem_SCAN): Added NULL reset function.
16268 (df_scan_reset_blocks): Added code to call reset block function
16269 (df_bb_refs_delete) Fixed comment.
16270 (df_insn_refs_delete): Made tolerant of deleting non existent info
16271 for dataflow problems that need to be reset.
16272 * df-core.c (df_set_blocks): Ditto.
16273 * df.h (struct df_problem): Added reset_fun.
16274 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16275 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16276 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16277 functions to clear out all references to def-use or use-def chains.
16279 2006-01-21 Ben Elliston <bje@au.ibm.com>
16281 * varasm.c (assemble_real): Initialise data array.
16283 2006-01-20 Paul Brook <paul@codesourcery.com>
16285 Merge from csl-arm-branch.
16286 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16287 * config/arm/arm.md (movdi): Force operands[1] to a register
16288 if we have a non-register source.
16289 (*arm_movdi, *movdf_soft_insn): Require that one of the
16290 operands be a register.
16291 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16292 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16294 2006-01-20 DJ Delorie <dj@redhat.com>
16296 * varasm.c (initializer_constant_valid_p): Allow pointers
16297 initialized from integer constants of lesser precision.
16298 (output_constant): Allow non-int-sized pointer modes to be
16299 initialized from integer constants.
16301 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16304 * cppdefault.h (struct default_include): Add multilib flag.
16305 * cppdefault.c (cpp_include_defaults): Set it.
16306 * c.opt (-imultilib): New option.
16307 * c-opts.c (imultilib): New.
16308 (c_common_handle_option): Handle -imultilib.
16309 (c_common_post_options): Likewise.
16310 * c-incpath.c (add_standard_paths, register_include_chains):
16312 * c-incpath.h (register_include_chains): Add extra parameter.
16313 * gcc.c (do_spec_1): Generate -imultilib option.
16314 (The Specs Language): Update %I description.
16315 (process_command): Update copyright notice.
16316 * doc/cppopts.texi (-imultilib): Document.
16317 * doc/invoke.texi (-imultilib): Include in option summary.
16318 (%I): Update specs documentation.
16320 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16322 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16324 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16326 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16329 2006-01-20 Richard Guenther <rguenther@suse.de>
16330 Steven Bosscher <stevenb.gcc@gmail.com>
16332 PR rtl-optimization/24626
16333 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16334 EDGE_TRUE_VALUE if in RTL mode.
16337 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16338 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16340 2006-01-20 Dirk Mueller <dmueller@suse.com>
16343 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16344 instead of a special NOP marker.
16345 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16346 NOP marker handling.
16347 * c-common.h (empty_body_warning): Add forward declaration.
16348 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16349 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16351 2006-01-20 Paul Brook <paul@codesourcery.com>
16353 * Makefile.in (lang_checks): Keep going if mkdir fails.
16355 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16357 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16358 be able to clean out basic block when not necessary.
16359 (df_scan_free): Fixed to properly delete information if df is
16360 unused before calling df_finish.
16361 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16362 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16364 (df_bb_refs_delete): New function.
16365 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16366 * df-core.c (df_set_blocks): Added code to properly clean out
16367 unused blocks if they are not part of the blocks to consider.
16368 Added additional null check.
16369 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16370 be able to clean out basic block when not necessary
16371 * df.h (df_free_bb_function): Ditto.
16372 (df_bb_refs_delete): New function.
16373 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16374 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16375 basic block parameter to be able to clean out basic block when not
16377 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16378 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16379 Fixed to properly delete information if df is unused before
16382 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16384 PR rtl-optimization/25799
16385 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16386 Corrected confluence operator to remove bits from op2 before oring
16387 with op1 rather than removing bits from op1.
16388 (df_ru_transfer_function): Corrected test on wrong bitmap which
16389 caused infinite loop. Both of these problems were introduced in
16390 the dataflow rewrite.
16392 2006-01-19 DJ Delorie <dj@redhat.com>
16394 * reload1.c (find_reload_regs): Note the details of reload
16395 failures in the dump file.
16396 (spill_failure): Likewise.
16398 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16400 * loop-iv.c: Include df.h and hashtab.h.
16401 (enum iv_grd_result): New enum.
16402 (DF_REF_IV, DF_REF_IV_SET): New macros.
16403 (struct biv_entry): New.
16404 (df, bivs): New global variables.
16405 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16406 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16408 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16409 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16410 analyzed_for_bivness_p, record_biv): New functions.
16411 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16412 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16413 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16415 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16417 (iv_number_of_iterations): Use new interface to iv analysis.
16418 * loop-unroll.c: Do not include varray.h.
16419 (analyze_iv_to_split_insn): Use new interface to iv
16421 * loop-unswitch.c (may_unswitch_on): Ditto.
16422 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16424 (df_bb_modify): Realloc tables to the new index.
16425 (df_find_use): New function.
16426 * df.h (df_find_use): Declare.
16427 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16429 * cfgloop.h (struct rtx_iv): Remove analysed field.
16430 (iv_get_reaching_def): Removed.
16431 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16432 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16433 (loop-iv.o): Add df.h and hashtab.h dependency.
16434 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16436 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16439 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16441 (__floatundisf, __floatundidf): Likewise.
16442 * libgcc2.h (IS_IBM_EXTENDED): Define.
16444 2006-01-19 DJ Delorie <dj@redhat.com>
16446 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16448 2006-01-19 Paul Brook <paul@codesourcery.com>
16450 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16451 as nothrow when unwinding tables are disabled.
16453 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16456 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16457 of bit-field" when in system header.
16459 2006-01-19 DJ Delorie <dj@redhat.com>
16461 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16462 the 16 bit shift limit of the m16c.
16464 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16467 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16468 * config/i386/i386.c (output_set_got): Output the label if we have one
16469 for the TARGET_DEEP_BRANCH_PREDICTION case.
16471 2006-01-19 Jan Hubicka <jh@suse.cz>
16472 H.J. Lu <hongjiu.lu@intel.com>
16473 Evandro Menezes <evandro.menezes@amd.com>
16475 * invoke.texi (generic): Document
16477 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16478 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16479 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16480 (x86_use_incdec, x86_pad_returns): New variables
16481 (TARGET_CPU_DEFAULT_generic): New constant
16482 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16483 (enum processor_type): Add generic32 and generic64.
16484 * i386.md (cpu attribute): Add generic32/generic64
16485 (movhi splitter): Behave sanely when both partial_reg_dependency and
16486 partial_reg_stall are set.
16487 (K8 splitters): Enable for generic as well.
16488 * predicates.md (incdec_operand): Use TARGET_INCDEC
16489 (aligned_operand): Avoid memory mismatch stalls.
16490 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16491 * ppro.md: Enable for generic32
16492 * i386.c (generic64_cost, generic32_cost): New.
16493 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16494 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16495 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16496 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16497 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16498 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16499 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16500 x86_accumulate_outgoing_args, x86_prologue_using_move,
16501 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16502 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16503 Enable for generic.
16504 (x86_use_incdec, x86_pad_returns): New.
16505 (override_options): Add generic32 and generic64, translate "generic"
16506 to generic32/generic64 and "i686" to "generic32", refuse
16507 "generic32"/"generic64" as arch target.
16508 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16509 (ix86_reorg): Honor PAD_RETURNS.
16511 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16513 * tree-pretty-print.c (dump_generic_node): Handle
16514 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16515 * cgraph.c (cgraph_expand_queue): Rename from
16516 cgraph_analyze_queue. Update all users.
16517 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16518 cgraph_expand_queue.
16519 (cgraph_expand_all_functions): Likewise.
16520 (cgraph_finalize_pending_functions): Remove. Update callers.
16522 * tree.h (OMP_DIRECTIVE_P): Define.
16523 (OMP_PARALLEL_FN): Define.
16524 (OMP_PARALLEL_DATA_ARG): Define.
16525 (OMP_SECTIONS_SECTIONS): Define.
16526 * tree-pass.h (pass_expand_omp): Declare.
16527 * omp-low.c (struct omp_region): Declare.
16528 (struct omp_context): Remove fields 'parallel_type',
16529 'parallel_start_ix' and 'parallel_start_additional_args'.
16531 (struct omp_for_data): Rename from struct expand_omp_for_data.
16532 (omp_regions): New static variable.
16533 (root_omp_region): New static variable.
16534 (find_omp_clause): Make static.
16535 (is_in_combined_parallel_ctx): Remove.
16536 (is_combined_parallel): New.
16537 (extract_omp_for_data): Move earlier in the file.
16538 (workshare_safe_to_combine_p): New.
16539 (get_ws_args_for): New.
16540 (determine_parallel_type): Move earlier in the file.
16541 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16543 (omp_copy_decl): Likewise.
16544 (create_omp_child_function): Likewise.
16545 (lookup_omp_region): New.
16546 (dump_omp_region): New.
16547 (debug_omp_region): New.
16548 (debug_all_omp_regions): New.
16549 (new_omp_region): New.
16550 (scan_omp_parallel): If parallel_nesting_level > 1, the
16551 directive is nested within another parallel directive.
16552 Set OMP_PARALLEL_FN.
16553 (scan_omp_for): Do not try to handle combined parallel+for
16555 Remove FIXME comment.
16556 (scan_omp_nested): Remove.
16557 (scan_omp_1): Do not call scan_omp_nested when
16558 parallel_nesting_level is > 1.
16559 Do not change the DECL_CONTEXT of local variables found.
16560 (lookup_decl_in_outer_ctx): New.
16561 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16562 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16563 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16564 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16565 If CTX is nested, lookup VAR in the outer context when
16566 building copy assignment.
16567 (lower_send_clauses): Rename from expand_send_clauses.
16568 If CTX is nested, lookup VAR in the outer context when
16569 building copy assignments.
16570 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16571 If CTX is nested, lookup VAR in the outer context when
16572 building copy assignments.
16573 (expand_parallel_call): Rename from build_parallel_call.
16574 Handle combined parallel+workshare cases.
16575 Re-implement to emit code into the CFG.
16577 (expand_omp_parallel): Re-implement to emit code into the CFG.
16578 Call move_sese_region_to_fn to outline the sub-graph
16579 containing the parallel region.
16580 (expand_omp_for_1): Remove.
16581 (expand_omp_for_generic): Re-implement to emit code into the
16583 (expand_omp_for_static_nochunk): Likewise.
16584 (expand_omp_for_static_chunk): Likewise.
16585 (expand_omp_for): Likewise.
16586 (expand_omp_sections): Likewise.
16587 (remove_exit_barriers): New.
16588 (expand_omp_synch): New.
16590 (build_omp_regions_1): New.
16591 (build_omp_regions): New.
16592 (execute_expand_omp): New.
16593 (gate_expand_omp): New.
16594 (pass_expand_omp): Define.
16595 (lower_omp_sections): Rename from expand_omp_sections.
16596 Set OMP_SECTIONS_SECTIONS.
16597 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16598 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16599 (lower_omp_single): Rename from expand_omp_simple.
16600 (lower_omp_master): Rename from expand_omp_master.
16601 (lower_omp_ordered): Rename from expand_omp_ordered.
16602 (lower_omp_critical): Rename from expand_omp_critical.
16603 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16604 (lower_omp_for): Re-implement.
16605 (lower_omp_parallel): Re-implement.
16606 (lower_regimplify): Rename from expand_regimplify.
16607 (lower_omp_1): Rename from expand_omp_1.
16608 If there are syntax errors in the program, replace every
16609 OpenMP directive with NOP.
16610 Call lower_omp_* instead of expand_omp_*.
16611 (lower_omp): Rename from expand_omp.
16613 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16614 * tree-gimple.h (enum omp_parallel_type): Remove.
16615 (gimple_boolify): Declare extern.
16616 (find_omp_clause, determine_parallel_type): Remove.
16618 * gimple-low.c (lower_omp_directive): New.
16619 (lower_stmt): Call it.
16620 (record_vars_into): Move from ...
16621 (record_vars): ... here.
16622 Call record_vars_into with current_function_decl.
16624 * gimplify.c (struct gimplify_ctx): Remove fields
16625 combined_pre_p and combined_ctxp. Update users.
16626 (get_formal_tmp_var): Add documentation.
16627 (gimple_boolify): Make extern.
16628 (gimplify_expr_in_ctx): Remove. Update callers.
16629 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16630 will always be a BIND_EXPR.
16631 (gimplify_expr): Handle OMP_RETURN_EXPR.
16632 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16633 (OMP_PARALLEL): Add 3 operands.
16634 (OMP_SECTIONS): Add 1 operand.
16635 (OMP_RETURN_EXPR): Define.
16637 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16638 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16639 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16640 creating a circular free list.
16641 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16643 * tree-flow.h (move_sese_region_to_fn): Declare.
16644 (record_vars_into): Declare.
16645 * tree-cfg.c (make_omp_sections_edges): New.
16646 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16647 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16648 OMP_SECTIONS and OMP_SECTION.
16649 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16650 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16651 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16652 (gather_blocks_in_sese_region): New.
16653 (struct move_stmt_d): Declare.
16654 (move_stmt_r): New.
16655 (move_block_to_fn): New.
16656 (move_sese_region_to_fn): New.
16658 * passes.c (init_optimization_passes): Schedule
16659 pass_expand_omp after pass_init_datastructures.
16661 * tree-ssa-operands.c (get_expr_operands): Handle
16662 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16663 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16665 2006-01-19 Jeff Law <law@redhat.com>
16667 * tree-vrp.c (extract_range_from_assert): Refine the result range
16668 if the variable referenced by the ASSERT_EXPR has a range and
16669 either the tentative result range or the previous range is a
16672 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16674 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16676 2006-01-19 Jan Hubicka <jh@suse.cz>
16678 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16680 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16682 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16683 (expand_compound_operation, expand_field_assignment): Fail if the
16684 bit lengths of an extract operation are out of range.
16685 (make_extraction): Compute wanted_inner_mode based on the position
16686 and length of the extraction. Make it extraction_mode for non-constant
16687 positions, and do not modify offset in that case. When generating a
16688 new MEM, use a mode that can hold the extraction while keeping correct
16689 alignment. Remove code that supported MEMs wrapped by USEs.
16690 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16692 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16694 * config/s390/s390.md ("Y", "y"): New mode attribute.
16695 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16696 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16697 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16698 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16699 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16700 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16701 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16702 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16703 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16704 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16705 "addsi3", "subsi3"): Insn patterns removed.
16706 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16707 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16708 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16709 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16710 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16711 "*sub<mode>3_cconly2"): New insn patterns.
16712 ("addsi3", "subsi3"): New expanders.
16714 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16716 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16717 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16718 existing STMT_VINFO_VECTYPE if available.
16719 (vect_mark_relevant): Add special handling for stmts that are
16720 marked as STMT_VINFO_IN_PATTERN_P.
16721 (vect_analyze_loop): Call vect_pattern_recog.
16722 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16723 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16725 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16726 (vect_recog_func_ptr): New function-pointer type.
16727 * tree-vect-patterns.c: New file.
16728 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16729 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16730 (vect_pattern_recog_1): New functions.
16731 (vect_pattern_recog_funcs): New array of function pointers.
16733 * tree-vectorizer.h (ternary_op): New enum value.
16734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16735 declaration. Revised documentation. Removed redundant dump prints.
16736 Removed redundant argument. Added support for reduction patterns.
16737 (vectorizable_reduction): Added support for reduction patterns.
16738 (vect_transform_stmt): Added support for patterns.
16740 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16741 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16742 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16743 (expand_widen_pattern_expr): New function.
16744 (init_optabs): Initialize new optabs udot_prod_optab,
16746 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16747 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16748 (expand_widen_pattern_expr): New function declaration.
16749 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16751 * tree-inline.c (estimate_num_insns_1): Added cases for new
16752 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16753 * tree-pretty-print.c (dump_generic_node): Likewise.
16754 (op_prio): Likewise.
16755 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16756 * tree-ssa-operands.c (get_expr_operands): Added case for
16758 * tree-vect-patterns.c (widened_name_p): New function.
16759 (vect_recog_dot_prod_pattern): Added function implementation.
16760 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16761 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16762 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16763 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16765 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16766 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16767 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16768 (init_optabs): Initialize new optabs widen_ssum_optab,
16770 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16771 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16772 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16773 use instead of type of def.
16774 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16775 function implementation.
16776 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16777 widen_ssumv8hi): New.
16779 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16782 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16785 * c-decl.c (add_flexible_array_elts_to_size): New function.
16786 (finish_decl): Use it.
16788 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16790 * diagnostic.h: Include options.h.
16791 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16792 dependancies for diagnostic.h.
16793 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16795 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16797 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16798 (ssa_ro_call_cache_valid): Ditto.
16799 * tree-ssa-alias.c (sort_tags_by_id): New function.
16800 (init_transitive_clobber_worklist): Ditto.
16801 (add_to_worklist): Ditto.
16802 (mark_aliases_call_clobbered): Ditto.
16803 (compute_tag_properties): Ditto.
16804 (set_initial_properties): Ditto.
16805 (compute_call_clobbered): Ditto.
16806 (compute_may_aliases): Call compute_call_clobbered and grouping.
16807 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16808 (compute_flow_insensitive_aliasing): Grouping now happens in our
16810 (setup_pointers_and_addressables): Remove clobbering related code.
16811 (add_may_alias): Ditto.
16812 (replace_may_alias): Ditto.
16813 (get_nmt_for): Ditto.
16814 (create_global_var):
16815 (is_escape_site): Return an escape_type enumeration.
16816 * tree-flow-inline.h (is_call_clobbered): Global var does not
16817 imply call clobbered.
16818 (mark_call_clobbered): Take a reason for marking this. Remove
16819 marking of globalness, and cache invalidation.
16820 (clear_call_clobbered): Remove cache invalidation code.
16821 * tree-dfa.c (dump_variable): If details is on, dump the reason
16823 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16825 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16826 (struct var_ann_d): Ditto.
16827 (enum escape_type): New.
16828 (mark_call_clobbered): Adjust prototype.
16829 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16830 are never call clobbered.
16831 Record reasons for escaping.
16832 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16833 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16834 (ssa_ro_call_cache_valid): Ditto.
16835 (clobbered_v_may_defs): Ditto.
16836 (clobbered_vuses): Ditto.
16837 (ro_call_vuses): Ditto.
16838 (clobber_stats): New.
16839 (init_ssa_operands): Zero out clobber stats.
16840 (fini_ssa_operands): Print out clobber stats.
16841 (get_call_expr_operands): Pass callee fndecl to
16842 add_call_read_ops).
16843 (add_call_clobber_ops): Remove use of cache.
16844 Add use of PURE_CONST information.
16845 (add_call_read_ops): Remove use of cache.
16846 Add use of static not_read information.
16848 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16850 Introduce TLS descriptors for i386 and x86_64.
16851 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16852 (TARGET_ANY_GNU_TLS): New macro.
16853 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16854 (struct machine_function): Add tls_descriptor_call_expanded_p.
16855 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16856 (ix86_current_function_calls_tls_descriptor): Likewise.
16857 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16858 (override_options): Introduce gnu2 tls dialect.
16859 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16861 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16863 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16864 (ix86_init_machine_status): Initialize new field.
16865 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16866 (ix86_tls_module_base): New.
16867 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16868 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16869 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16870 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16871 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16872 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16873 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16874 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16875 * config/i386/predicates.md (tls_modbase_operand): New.
16876 (tp_or_register_operand): New.
16878 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16880 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16881 (look_for_address_of): Ditto.
16882 (ipa_init): Walk the function decls.
16883 (static_execute): Don't set readonly on FUNCTION_DECL's.
16885 2006-01-18 Roger Sayle <roger@eyesopen.com>
16887 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16888 for shifts where the source and destination registers are different.
16890 2006-01-18 Paul Brook <paul@codesourcery.com>
16892 Merge from csl-arm-branch.
16893 2005-03-14 Julian Brown <julian@codesourcery.com>
16894 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16895 (aeabi_llsl): Likewise.
16896 (ashrdi3): Likewise.
16897 (aeabi_lasr): Likewise.
16898 (lshrdi3): Likewise.
16899 (aeabi_llsr): Likewise.
16900 2005-03-10 Julian Brown <julian@codesourcery.com>
16901 * config.gcc: Disable shared libgcc for SymbianOS.
16902 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16904 2006-01-18 DJ Delorie <dj@redhat.com>
16906 * c-pragma.c (handle_pragma_diagnostic): New.
16907 (init_pragma): Register it.
16908 * doc/extend.texi: Document it.
16910 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16911 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16912 (diagnostic_context): Add classify_diagnostic[].
16913 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16914 as errors if they're overridden to DK_WARNING.
16915 (diagnostic_initialize): Initialize classify_diagnostic[].
16916 (diagnostic_set_kind_override): New.
16917 (diagnostic_report_diagnostic): Check for kind changes.
16918 * opts.c (common_handle_option): Take lang_mask. Update callers.
16919 Handle OPT_Werror_.
16920 * common.opt (Werror=): New.
16921 * doc/invoke.texi: Document -Werror=*
16923 2006-01-18 Jeff Law <law@redhat.com>
16925 * tree-vrp.c (test_for_singularity): Correct test for new
16926 min limit. Use operand_equal_p rather than pointer equality
16927 for testing if new min/max values are equal.
16929 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16930 using range information until after propagation and folding.
16932 2006-01-18 Richard Henderson <rth@redhat.com>
16933 Aldy Hernandez <aldyh@redhat.com>
16934 Jakub Jelinek <jakub@redhat.com>
16935 Diego Novillo <dnovillo@redhat.com>
16937 * omp-low.c: New file.
16938 * c-omp.c: New file.
16940 2006-01-18 Richard Henderson <rth@redhat.com>
16941 Jakub Jelinek <jakub@redhat.com>
16942 Diego Novillo <dnovillo@redhat.com>
16944 * doc/invoke.texi: Document -fopenmp.
16945 * tree-dump.h (debug_function): Declare.
16946 * hooks.c (hook_bool_tree_bool_false): New function.
16947 (hook_tree_tree_null): Remove.
16948 (hook_tree_tree_tree_null): New.
16949 * hooks.h: Update to match.
16950 * tree-pretty-print.c (debug_tree_chain): New.
16951 (print_generic_expr): Handle TDF_CHAIN.
16952 (dump_generic_node): Handle BLOCK.
16953 Do not abort with incomplete SWITCH_EXPRs.
16954 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16955 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16956 print space after directive name.
16957 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16958 Handle OMP_MASTER and OMP_ORDERED.
16959 Handle printing of OMP_BODY just in one place, goto
16960 dump_omp_body in the rest of OMP_* nodes that have
16962 Don't handle clause nodes here. Update omp statements to
16963 use dump_omp_clauses.
16964 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16965 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16966 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16967 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16968 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16969 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16970 Adjust output for GOMP_PARALLEL.
16971 (dump_omp_clauses): New.
16972 (print_declaration): Dump DECL_VALUE_EXPR.
16973 (op_symbol_1): Split out of op_symbol.
16974 (dumping_stmts): Remove. Update all users.
16975 * cgraph.c (cgraph_analyze_queue): New.
16976 (cgraph_add_new_function): New.
16977 * cgraph.h (cgraph_analyze_queue): Declare.
16978 (cgraph_add_new_function): Declare.
16979 (cgraph_lower_function): Remove.
16980 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16981 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16982 and TYPE_P nodes in its default clause.
16983 (empty_body_p): New.
16984 (tree_range_check_failed): New.
16985 (build5_stat): New.
16986 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16987 OMP_CLAUSE_REDUCTION_MERGE,
16988 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16989 OMP_CLAUSE_PRIVATE_DEBUG,
16990 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16991 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16992 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16993 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16994 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16995 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16996 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16997 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16998 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16999 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17000 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17001 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17002 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17003 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17004 (TREE_RANGE_CHECK): New.
17005 (empty_body_p): Declare.
17006 (enum omp_clause_default_kind): New.
17007 (build_string_literal): Declare.
17008 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17009 (build5_stat, build5): Declare.
17010 * tree-pass.h (TDF_CHAIN): Define.
17011 * tree-pass.h (PROP_gimple_lomp): Define.
17012 (pass_lower_omp): Declare.
17013 * diagnostic.h (debug_tree_chain): Declare.
17014 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17016 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17017 * builtins.c (build_string_literal): Make extern.
17018 * gcc.c (include_spec_function): New.
17019 (static_spec_functions): Add it.
17020 (main): Move load of libgomp.spec ...
17021 (LINK_COMMAND_SPEC): ... here.
17022 (link_gomp_spec): New.
17023 (static_specs): Include it.
17024 (LINK_COMMAND_SPEC): Add link_gomp.
17025 (GOMP_SELF_SPECS): New.
17026 (driver_self_specs): Include it.
17027 (switch_matches): Don't mark inline.
17028 (main): Load libgomp.spec.
17029 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17030 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17031 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17032 * tree-gimple.h (enum omp_parallel): Declare.
17033 (determine_parallel_type): Declare.
17034 (omp_firstprivatize_variable): Declare.
17035 (omp_reduction_init): Declare.
17036 (diagnose_omp_structured_block_errors): Declare.
17037 (struct walk_stmt_info): Add want_return_expr.
17038 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17039 (find_omp_clause): Declare.
17040 (insert_field_into_struct): Declare.
17041 (struct walk_stmt_info): Move from tree-nested.c
17042 (walk_stmts): Declare.
17043 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17045 * cgraphunit.c (cgraph_lower_function): Make static.
17046 (cgraph_finalize_pending_functions): New.
17047 (cgraph_finalize_function): Call it.
17048 (cgraph_finalize_compilation_unit): Likewise.
17049 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17050 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17051 (BT_FN_UINT_UINT): New.
17052 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17053 DEF_FUNCTION_TYPE_VAR_4): Document.
17054 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17055 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17056 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17057 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17058 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17059 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17060 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17061 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17062 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17063 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17064 into separate files.
17065 (DEF_GOMP_BUILTIN): New.
17066 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17067 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17068 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17069 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17070 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17071 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17072 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17073 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17074 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17075 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17076 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17077 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17078 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17079 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17080 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17081 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17082 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17083 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17084 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17085 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17086 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17087 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17088 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17089 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17090 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17091 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17092 * sync-builtins.def: New file, moved from builtins.def.
17093 * omp-builtins.def: New file, moved from builtins.def.
17094 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17095 * gimple-low.c (lower_function_body): Clear data.
17096 (lower_stmt): Do not handle COMPOUND_EXPR.
17097 Remove call to print_node_brief.
17098 * c-tree.h (c_finish_omp_clauses): New prototype.
17099 (C_DECL_THREADPRIVATE_P): Define.
17100 (lookup_name_no_remap, c_omp_remap_private): Remove
17101 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17102 (check_for_loop_decls): Update decl.
17103 (lookup_name_no_remap, c_omp_remap_private): Declare.
17104 (build_indirect_ref, build_modify_expr, pushdecl,
17105 pushdecl_top_level): Move to c-common.h.
17106 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17107 before the switch, but just in the 2 places that need it.
17108 * c-decl.c (diagnose_mismatched_decls): Do not check for
17109 mismatched thread-local attributes when OLDDECL is marked
17110 threadprivate and NEWDECL has no thread-local attributes.
17111 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17112 (c_gimple_diagnostics_recursively): Rename from
17113 c_warn_unused_result_recursively. Invoke
17114 diagnose_omp_structured_block_errors.
17115 (check_for_loop_decls): Return a singular decl found.
17116 * langhooks.c (lhd_omp_predetermined_sharing): Return
17117 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17118 (lhd_omp_firstprivatize_type_sizes): New.
17119 (lhd_omp_assignment): New.
17120 (lhd_omp_predetermined_sharing): New.
17121 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17122 (struct lang_hooks_for_types): Add
17123 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17124 omp_predetermined_sharing, omp_disregard_value_expr,
17125 omp_private_debug_clause, omp_clause_default_ctor,
17126 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17127 (c_finish_omp_clauses): New.
17128 (c_finish_bc_stmt): Diagnose break within omp for.
17129 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17130 (build_unary_op): Return error_mark after reporting
17132 (build_modify_expr): Likewise.
17133 * gimplify.c: Include optabs.h and pointer-set.h.
17134 (enum gimplify_omp_var_data): Declare.
17135 (struct gimplify_omp_ctx): Declare.
17136 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17138 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17139 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17140 (splay_tree_compare_decl_uid): New.
17141 (new_omp_context): New.
17142 (delete_omp_context): New.
17143 (gimple_add_tmp_var): Call omp_add_variable.
17144 (gimplify_bind_expr): Likewise.
17145 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17146 true, disregard DECL_VALUE_EXPR on the decl if any.
17147 (gimplify_expr_in_ctx): New.
17148 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17149 omp_add_variable, omp_notice_variable, omp_is_private
17150 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17151 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17152 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17153 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17154 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17155 gimplify_omp_atomic): New.
17156 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17157 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17158 OMP_CRITICAL and OMP_ATOMIC.
17159 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17160 * c-pragma.h (enum pragma_kind): Add
17161 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17162 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17163 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17164 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17165 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17166 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17167 PRAGMA_OMP_THREADPRIVATE.
17168 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17169 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17170 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17171 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17172 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17173 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17174 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17175 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17176 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17177 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17178 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17179 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17180 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17182 (struct nesting_info): Add field_map,
17183 suppress_expansion, debug_var_chain.
17184 (create_nesting_tree): Initialize them.
17185 (lookup_field_for_decl): Use field_map.
17186 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17187 (convert_local_omp_clauses): New.
17188 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17189 (walk_body): Split out of walk_function.
17190 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17191 (convert_nonlocal_reference): Handle omp statements.
17192 (convert_local_reference): Likewise.
17193 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17194 (unnest_nesting_tree): New.
17195 (lower_nested_functions): Call it.
17196 (insert_field_into_struct): Make extern.
17197 (struct walk_stmt_info): Move to tree-gimple.h.
17198 (walk_stmts): Make extern.
17199 * omp-builtins.def: New file.
17200 * tree-iterator.c (expr_only): Clarify comment.
17201 * c-common.h (pushdecl_top_level, pushdecl,
17202 build_modify_expr, build_indirect_ref,
17203 c_finish_omp_master, c_finish_omp_critical,
17204 c_finish_omp_ordered, c_finish_omp_barrier,
17205 c_finish_omp_atomic, c_finish_omp_flush,
17206 c_finish_omp_for, c_split_parallel_clauses,
17207 omp_clause_default_kind, c_omp_sharing_predetermined,
17208 c_omp_remap_decl): Declare.
17209 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17210 (OBJS-common): Add omp-low.o.
17211 (c-omp.o, omp-low.o): Add.
17212 (gimplify.o): Add dependency on $(OPTABS_H).
17213 (GTFILES): Add omp-low.c.
17214 (gt-stringpool.h): Add.
17215 * tree-cfg.c (set_bb_for_stmt): Do not update the
17216 block-to-labels map if we are currently expanding to RTL.
17217 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17219 Handle IDENTIFIER_NODE.
17220 (tree_verify_flow_info): Do not ICE when emitting error
17221 messages about invalid labels.
17222 (dump_function_to_file): Reset CFUN before emitting the body
17224 (debug_function): New.
17225 * passes.c (init_optimization_passes): Schedule
17227 * langhooks-def.h (lhd_omp_predetermined_sharing,
17228 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17230 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17231 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17232 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17233 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17234 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17235 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17236 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17237 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17238 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17239 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17240 (LANG_HOOK_DECLS): Use them.
17242 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17243 Richard Henderson <rth@redhat.com>
17244 Jakub Jelinek <jakub@redhat.com>
17245 Diego Novillo <dnovillo@redhat.com>
17247 * c-parser.c (pragma_omp_clause): Define.
17248 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17249 (c_parser_compound_statement): Likewise.
17250 (c_parser_statement): Likewise.
17251 (c_parser_pragma): Handle omp pragmas.
17252 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17253 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17254 (c_parser_omp_clause_name, check_no_duplicate_clause,
17255 c_parser_omp_variable_list,
17256 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17257 c_parser_omp_clause_copyprivate,
17258 c_parser_omp_clause_default,
17259 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17260 c_parser_omp_clause_lastprivate,
17261 c_parser_omp_clause_nowait,
17262 c_parser_omp_clause_num_threads,
17263 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17264 c_parser_omp_clause_reduction,
17265 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17266 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17267 c_parser_omp_atomic, c_parser_omp_barrier,
17268 c_parser_omp_critical, c_parser_omp_flush,
17269 c_parser_omp_for_loop, c_parser_omp_for,
17270 c_parser_omp_master, c_parser_omp_ordered,
17271 c_parser_omp_sections_scope, c_parser_omp_sections,
17272 c_parser_omp_parallel, c_parser_omp_single,
17273 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17274 * c-pragma.c (init_pragma): Do omp pragma registration here.
17275 * c.opt (fopenmp): New flag.
17277 2006-01-18 Eric Christopher <echristo@apple.com>
17279 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17280 * config/darwin.h (GOMP_SELF_SPECS): Define.
17282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17284 * rtl.h: Remove the prototype for reg_alloc.
17286 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17289 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17290 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17291 sjlj and dwarf2 exception handling.
17292 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17293 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17294 * pa/pa.c (function_value): Treat complex and vector types as
17296 (function_arg): Likewise. Only pass scalar floats in the floating
17297 point argument registers.
17298 * pa/t-slibgcc-dwarf-ver: New file.
17299 * pa/t-slibgcc-sjlj-ver: New file.
17300 * pa/t-slibgcc-elf-ver: Delete file.
17302 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17304 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17305 unlikely_test_section_p test.
17307 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17309 * mode-switching.c (optimize_mode_switching): Make it static.
17310 * basic-block.h: Remove the prototype for
17311 optimize_mode_switching.
17313 * modulo-sched.c (sms_schedule): Make it static.
17314 * rtl.h: Remove the prototype for sms_schedule.
17316 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17317 * rtl.h: Remove the prototype for gcse_after_reload_main.
17319 * reg-stack.c (reg_to_stack): Make it static.
17320 * rtl.h: Remove the prototype for reg_to_stack.
17322 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17324 * rtl.h: Remove the prototypes for regrename_optimize and
17325 copyprop_hardreg_forward.
17327 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17329 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17330 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17331 Test against the appropriate null constant for the mode.
17332 If 'fixup_overlap' is true, swap the operands if they overlap.
17333 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17334 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17335 alpha_split_tmode_pair and adjust for above change.
17336 * config/alpha/alpha.md (movtf_internal): Adjust call to
17337 alpha_split_tfmode_pair and rely on it to swap the operands.
17338 (movti_internal): New insn and post-reload splitter.
17339 (movti): New expander.
17341 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17343 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17346 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17348 * rtlanal.c (global_reg_mentioned_p_1,
17349 global_reg_mentioned_p): Remove.
17350 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17352 * flow.c (initialize_uninitialized_subregs): Make it static.
17353 * rtl.h: Remove the prototype for
17354 initialize_uninitialized_subregs.
17356 * function.c (instantiate_virtual_regs): Make it static.
17357 * function.h: Remove the prototype for
17358 instantiate_virtual_regs.
17360 * regmove.c (regmove_optimize, combine_stack_adjustments):
17362 * rtl.h: Remove the prototypes for regmove_optimize and
17363 combine_stack_adjustments.
17365 2006-01-17 Roger Sayle <roger@eyesopen.com>
17367 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17368 (size_cost): Encode costs in bytes so that a reg-reg addition is
17369 equivalent to COSTS_N_INSNS(1).
17370 (override_options): Use the size_cost.branch_cost as the default
17371 ix86_branch_cost when optimizing for size.
17373 2006-01-18 Ben Elliston <bje@au.ibm.com>
17375 * Makefile.in (D32PBIT_FUNCS): New.
17376 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17377 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17378 D64PBIT_FUNCS and D128PBIT_FUNCS.
17379 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17380 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17382 (decnumber_dep): Define.
17383 * doc/libgcc.texi (Decimal float library routines): New node.
17384 * config/dfp-bit.h, config/dfp-bit.c: New files.
17386 2006-01-18 Ben Elliston <bje@au.ibm.com>
17388 * expr.c (emit_move_change_mode): Always adjust addresses, not
17389 just during reload. Copy replacements only during reload.
17390 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17391 emit_move_via_integer.
17393 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17395 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17396 instead of $(srcdir) and ${srcdir}.
17398 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17401 PR middle-end/11135
17402 * arm.h (struct machine_function): Add pic_reg.
17403 * arm.c (arm_pic_register): Make unsigned.
17404 (arm_override_options): Only set arm_pic_register if
17405 TARGET_SINGLE_PIC_BASE.
17406 (use_return_insn): Only test for a pic register if it is fixed.
17407 (arm_compute_save_reg0_reg12_mask): Likewise.
17408 (thumb_compute_save_reg_mask): Likewise.
17409 (legitimate_pic_operand): Factor out some known invariants.
17410 (legitimize_pic_address): If we don't have a fixed pic register,
17411 then set up a pseudo in the function entry sequence. Handle the
17412 pic base being in a pseudo.
17413 (arm_load_pic_register): Handle the pic register being in a pseudo.
17414 (arm_expand_prologue): Only set up the pic register if it is fixed.
17415 (thumb_expand_prologue): Likewise.
17416 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17417 (pic_load_addr_based_insn): Likewise.
17418 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17421 2006-01-18 Ben Elliston <bje@au.ibm.com>
17423 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17424 decimal float modes for all floating point registers.
17426 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17427 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17429 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17432 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17433 even when the pointer is not NULL.
17435 2006-01-16 Ian Lance Taylor <ian@airs.com>
17437 * common.opt (ftoplevel-reorder): New option.
17438 * cgraph.c (cgraph_asm_nodes): New global variable.
17439 (cgraph_asm_last_node): New static variable.
17440 (cgraph_order): New global variable.
17441 (cgraph_create_node): Set new order field.
17442 (cgraph_varpool_node): Likewise.
17443 (decide_is_variable_needed): Return true if not
17444 flag_toplevel_reorder.
17445 (cgraph_add_asm_node): New function.
17446 * cgraph.h (struct cgraph_node): Add order field.
17447 (struct cgraph_varpool_node): Add order field.
17448 (struct cgraph_asm_node): Define.
17449 (cgraph_asm_nodes, cgraph_order): Declare.
17450 (cgraph_add_asm_node): Declare.
17451 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17453 (cgraph_varpool_assemble_pending_decls): Call it.
17454 (cgraph_output_pending_asms): New static function.
17455 (cgraph_finalize_compilation_unit): Call it.
17456 (struct cgraph_order_sort): Define.
17457 (cgraph_output_in_order): New static function.
17458 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17459 !flag_toplevel_reorder case.
17460 * c-parser.c: Include "cgraph.h".
17461 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17463 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17464 than -fno-unit-at-a-time.
17465 * doc/invoke.texi (Option Summary): Mention
17466 -fno-toplevel-reorder.
17467 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17468 -funit-at-a-time documentation.
17470 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17471 Kazu Hirata <kazu@codesourcery.com>
17473 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17475 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17477 * Makefile.in (FUNCTION_H): New. Use it instead of
17478 function.h throughout the file.
17479 * function.h: Include tree.h.
17481 2006-01-17 Ben Elliston <bje@au.ibm.com>
17483 * recog.c: Separate some functions with whitespace.
17485 2006-01-16 Richard Henderson <rth@redhat.com>
17487 Merge from gomp branch:
17488 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17489 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17490 and rename from struct inline_data. Rename callee* to dst*;
17491 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17492 transform_new_cfg, transform_return_to_modify, and
17493 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17495 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17496 (copy_decl_for_dup): Remove.
17497 * tree-inline.c (struct inline_data): Move to header.
17498 (insert_decl_map): Export.
17499 (remap_decl): Update for member name changes. Use copy_decl hook.
17500 Allow for replacement to be a non-decl. Remove dead code.
17501 (remap_type_1): Check for existing mapping.
17502 (remap_type): Export.
17503 (remap_decls): Update for member name changes.
17504 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17505 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17506 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17507 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17508 (tree_function_versioning, build_duplicate_type): Likewise.
17509 (copy_body_r): Likewise. Export.
17510 (copy_decl_for_dup): Split into ...
17511 (copy_decl_for_dup_finish, copy_decl_to_var,
17512 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17513 (replace_ref_tree, inlining_p): Remove.
17515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17517 * ifcvt.c (if_convert): Make it static.
17518 * rtl.h: Remove the prototype for if_convert.
17520 * local-alloc.c (local_alloc): Make it static.
17521 * rtl.h: Remove the prototype for local_alloc.
17523 * loop.c (loop_optimize): Make it static.
17524 * cfgloop.h: Remove the prototype for loop_optimize.
17527 2006-01-16 DJ Delorie <dj@redhat.com>
17529 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17532 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17534 * pa.md: Disparage copies between general and floating-point registers
17535 in 32-bit move patterns.
17537 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17540 * Makefile.in (check-%): Depend on site.exp instead of
17541 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17544 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17546 * global.c (global_alloc): Make it static.
17547 * rtl.h: Remove the prototype for global_alloc.
17549 2006-01-16 Richard Guenther <rguenther@suse.de>
17551 * tree-ssa-alias.c (struct used_part): Add write_only field.
17552 (get_or_create_used_part_for): Initialize it to true.
17553 (create_overlap_variables_for): Don't create structure variables
17554 for structures that only are written to.
17555 (find_used_portions): Handle MODIFY_EXPR to track whether a
17556 structure is only written to.
17558 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17560 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17562 * basic-block.h: Remove the prototype for
17563 partition_hot_cold_basic_blocks.
17565 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17567 * cppspec.c (lang_specific_spec_functions): Remove.
17568 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17569 * gcc.h (lang_specific_spec_functions): Remove.
17570 * gccspec.c (lang_specific_spec_functions): Remove.
17572 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17574 * combine.c (record_value_for_reg): Invalidate registers
17576 (record_dead_and_set_regs_1): Likewise, by passing them to
17577 record_value_for_reg.
17578 (record_dead_and_set_regs): Invalidate stores made by a
17579 call. We do not combine across a call, but we still
17580 relied on equivalences.
17582 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17584 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17585 vrp_int_const_binop returning non-constant nodes.
17587 2006-01-16 Paul Brook <paul@codesourcery.com>
17589 * config/m68k/m68k.c (output_move_const_into_data_reg):
17590 Output correct mnemonic for mvz and mvs.
17592 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17594 * rtl-factoring.c: Add sequence abstraction algorithm.
17595 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17596 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17598 (block_has_preserve_label): New function.
17599 * common.opt: Register new pass.
17600 * Makefile.in: Ditto.
17602 * timevar.def: Ditto.
17603 * tree-pass.h: Ditto.
17604 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17605 * rtl.h (make_jump_insn_raw): Add forward decl.
17606 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17608 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17609 Roger Sayle <roger@eyesopen.com>
17611 * fold-const.c (fold_minmax): New static function.
17612 (fold_binary) <MIN_EXPR>: Call it.
17613 <MAX_EXPR>: Likewise.
17614 * stor-layout.c (place_field): Use DECL_SIZE consistently
17615 in the computation of the new record size.
17617 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17619 * cse.c (cse_condition_code_reg): Make it static.
17620 * rtl.h: Remove the prototype for cse_condition_code_reg.
17622 * combine.c (combine_instructions): Make it static.
17623 * rtl.h: Remove the prototype for combine_instructions.
17625 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17628 * tree.c (get_file_function_name_long): Concatenate the first global
17629 object name with a string derived from the input filename of the object
17632 2006-01-16 Ben Elliston <bje@au.ibm.com>
17634 * config/i386/winnt-stubs.c: Update FSF address.
17635 * config/xtensa/ieee754-df.S: Ditto.
17636 * config/xtensa/ieee754-sf.S: Ditto.
17638 2006-01-14 Ian Lance Taylor <ian@airs.com>
17640 * ifcvt.c (noce_init_if_info): New static function, broken out of
17641 noce_process_if_block.
17642 (noce_process_if_block): Call noce_init_if_info.
17643 (check_cond_move_block): New static function.
17644 (cond_move_process_if_block): New static function.
17645 (process_if_block): Call cond_move_process_if_block.
17647 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17649 * cselib.c (hash_table): Rename to cselib_hash_table.
17650 (cselib_clear_table, discard_useless_values,
17651 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17652 cselib_init, cselib_finish): Adjust uses of hash_table.
17654 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17656 PR tree-optimization/25485
17657 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17658 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17659 is known to be false and true, respectively.
17661 2006-01-14 Richard Guenther <rguenther@suse.de>
17663 PR tree-optimization/22548
17664 PR tree-optimization/22555
17665 PR tree-optimization/22501
17666 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17667 * params.def (salias-max-array-elements): New parameter.
17668 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17669 * doc/invoke.texi (salias-max-array-elements): Document.
17670 * tree-flow-inline.h (var_can_have_subvars): We also handle
17672 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17674 * tree-ssa-structalias.c (params.h): Include.
17675 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17676 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17677 (get_constraint_for): For ADDR_EXPR operating on something
17678 containing an ARRAY_REF, add all subvars to the solution.
17679 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17680 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17681 for creating MUST_DEFs.
17682 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17684 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17686 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17688 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17689 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17690 number_of_iterations_le): New functions.
17691 (number_of_iterations_special): Removed.
17692 (number_of_iterations_exit): Do not use number_of_iterations_special.
17693 * tree.c (unsigned_type_for): Always return integer type.
17695 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17696 Richard Guenther <rguenther@suse.de>
17698 PR rtl-optimization/24257
17699 * gcse.c (find_moveable_store): Only consider a store movable
17700 when the SET_SRC of the insn can be assigned to a register.
17702 2006-01-14 Ian Lance Taylor <ian@airs.com>
17704 * tree.c (tree_not_class_check_failed): New function.
17705 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17706 (tree_not_class_check_failed): Declare.
17708 2006-01-13 Ian Lance Taylor <ian@airs.com>
17710 * reload1.c (do_output_reload): Add assertion rejecting a
17713 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17715 * combine.c (struct reg_stat): Add new fields truncation_label and
17717 (record_value_for_reg): Reset truncated_to_mode.
17718 (record_truncated_value): New function.
17719 (check_promoted_subreg): Call it. Rename to check_conversions.
17720 (combine_instructions): Rename check_promoted_subreg to
17722 (reg_truncated_to_mode): New function.
17723 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17724 (gen_lowpart_or_truncate): New function.
17725 (force_to_mode): Use it instead of gen_lowpart.
17727 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17729 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17730 VAR is a tag, not its type tag.
17732 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17734 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17735 alternatives to match style of other entries.
17736 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17738 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17740 PR tree-optimization/25771
17741 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17744 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17747 * tree-inline.c (declare_return_variable): If the return variable
17748 was marked as a non gimple complex, set the return slot variable
17749 to be a non gimple comple variable.
17751 2006-01-13 Richard Guenther <rguenther@suse.de>
17753 * builtins.c (expand_builtin_sincos): New function.
17754 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17756 (expand_builtin): Expand sincos using expand_builtin_sincos.
17758 2006-01-12 DJ Delorie <dj@redhat.com>
17760 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17761 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17762 so that constant shifts can be split.
17763 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17764 (m32c_valid_pointer_mode): Make static.
17765 (shift_gen_func_for): New.
17766 (m32c_prepare_shift): Use it. Split large const shifts into
17768 * config/m32c/predicates.md (shiftcount_operand): Allow more
17770 (longshiftcount_operand): New.
17771 * doc/md.texi (Machine Constraints): Document In6.
17773 2006-01-13 Ben Elliston <bje@au.ibm.com>
17775 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17776 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17779 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17781 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17782 to try to avoid clobbering pieces of structures when we know
17783 something about the whole structure.
17784 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17786 2006-01-13 Ben Elliston <bje@au.ibm.com>
17788 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17789 return in memory, as this is no limitation is no longer present.
17791 2006-01-12 DJ Delorie <dj@redhat.com>
17793 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17794 mova with fb, and for fb+0 -> An.
17796 * config/m32c/mov.md (peephole2): Fix enabling logic.
17798 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17799 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17800 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17801 FINI_ARRAY_SECTION_ASM_OP): Define.
17803 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17805 (m32c_legitimize_reload_address): New logic to reload FB to An.
17806 (m32c_output_reg_push): Add newline.
17807 (m32c_output_reg_pop): Likewise.
17809 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17811 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17813 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17815 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17817 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17819 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17822 2006-01-11 Ben Elliston <bje@au.ibm.com>
17824 * rtlanal.c (find_reg_note): Assert insn is not null.
17826 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17828 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17831 2006-01-11 Jeff Law <law@redhat.com>
17833 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17835 (mark_threaded_blocks, register_jump_thread): New functions.
17836 (thread_through_all_blocks): Remove unwanted argument. No
17837 longer rely on e->aux to communicate thread target info.
17838 Call mark_threaded_blocks. Release the threaded_blocks
17839 bitmap and threaded_edges vector when complete.
17840 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17841 (threaded_blocks): Remove.
17842 (tree_ssa_dominator_optimize): Remove initialization and
17843 finalization of threaded_blocks. Simplify call to
17844 thread_through_all_blocks.
17845 (thread_across_edge): Call register_jump_thread rather than
17846 storing thread information into e->aux.
17847 (free_all_edge_infos): Simplify now that e->aux is no longer
17848 used to communicate with thread_through_all_blocks.
17849 * tree-flow.h (thread_through_all_blocks): Update prototype.
17850 (register_jump_thread): Prototype.
17852 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17854 * df-core.c (df_compact_blocks, df_bb_replace): Use
17855 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17857 2006-01-11 Richard Guenther <rguenther@suse.de>
17859 PR tree-optimization/25734
17860 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17861 stop propagation after successful propagation to the LHS.
17863 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17865 * basic-block.h (control_flow_graph): Change the type of
17866 x_basic_block_info to VEC(basic_block,gc) *.
17867 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17869 (SET_BASIC_BLOCK): New.
17870 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17871 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17872 * cfgbuild.c (find_basic_blocks): Likewise.
17873 * cfglayout.c (fixup_reorder_chain): Likewise.
17874 * cfgrtl.c (create_basic_block_structure,
17875 rtl_create_basic_block): Likewise.
17876 * ifcvt.c (find_if_case_1): Likewise.
17877 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17880 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17882 * Makefile.in: Removed rotted odf.c entry.
17884 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17887 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17888 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17889 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17890 output pattern modifier, not %e.
17891 * config/cris/cris.c (cris_op_str): Update comment about pattern
17893 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17894 before falling through into...
17895 <case 'E'>: Redefined from old 'e' case.
17897 2006-01-11 Jan Hubicka <jh@suse.cz>
17900 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17902 2006-01-11 Jan Hubicka <jh@suse.cz>
17904 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17905 * i386.c (x86_decompose_lea): Kill.
17906 (ix86_rtx_costs): Kill.
17908 2006-01-11 Jan Hubicka <jh@suse.cz>
17910 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17911 * cgraph.h (cgraph_node): Add inline_decl.
17912 (cgraph_insert_node_to_hashtable): Declare.
17913 (save_inline_function_body): Declare.
17914 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17916 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17917 (cgraph_function_versioning): Update call of tree_function_versioning.
17918 (save_inline_function_body): New function.
17919 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17920 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17921 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17922 (cgraph_default_inline_p): Likewise.
17923 (cgraph_decide_inlining_incrementally): Likewise.
17924 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17925 (copy_bb): Kill saving; do updating of clones.
17926 (copy_cfg_body): Kill saving.
17927 (initialize_inlined-parameters): Likewise.
17928 (expand_call_inline): Likewise.
17930 (tree_function_versioning): New parameter "update_clones".
17931 (inlining_p): Kill saving.
17932 * tree-inline.h (tree_function_versioning): Update prototype.
17933 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17936 2006-01-11 Ian Lance Taylor <ian@airs.com>
17938 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17939 Allow undoing set of machine mode.
17940 (do_SUBST): Use enums instead of is_int.
17941 (do_SUBST_MODE): New function.
17942 (SUBST_MODE): New macro.
17943 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17944 reg and trying to replace reg_regno_rtx with a new register.
17945 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17946 (simplify_set): Use SUBST_MODE.
17947 (distribute_notes): Remove code that tried to update reg notes
17948 for regno_reg_rtx changes.
17950 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17952 PR tree-optimization/23109
17953 PR tree-optimization/23948
17954 PR tree-optimization/24123
17956 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17957 * tree-cfg.c (single_noncomplex_succ): New.
17958 * tree-flow.h (single_noncomplex_succ): Declare it.
17959 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17960 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17961 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17962 insert_bb, register_division_in, insert_reciprocals,
17963 replace_reciprocal, free_bb): New.
17964 (execute_cse_reciprocals_1): Rewritten.
17965 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17966 Do not commit any edge insertion. Always compute dominators and
17967 create the allocation pool.
17968 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17969 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17970 * targhooks.c (default_min_divistions_for_recip_mul): New.
17971 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17972 * passes.c (init_optimization_passes): Run recip after tree loop
17974 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17976 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17977 Kenneth Zadeck <zadeck@naturalbridge.com>
17979 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17980 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17981 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17982 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17983 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17984 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17985 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17986 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17987 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17988 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17989 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17990 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17991 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17992 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17993 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17994 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17995 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17996 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17997 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17998 DF_SCAN_POST_ALLOC): New macros.
17999 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18000 df_free_bb_function, df_local_compute_function, df_init_function,
18001 df_dataflow_function, df_confluence_function_0,
18002 df_confluence_function_n, df_transfer_function,
18003 df_finalizer_function, df_free_function, df_dump_problem_function,
18004 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18005 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18006 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18007 df_urec_bb_info, ) New types.
18008 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18010 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18011 df_analyze_simple_change_some_blocks,
18012 df_analyze_simple_change_one_block, df_compact_blocks,
18013 df_bb_replace, df_bb_regno_last_use_find,
18014 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18015 df_insn_regno_def_p, df_find_def, df_find_use,
18016 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18017 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18018 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18019 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18020 debug_df_chain, df_get_dependent_problem, df_chain_create,
18021 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18022 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18023 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18024 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18025 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18026 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18027 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18028 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18029 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18030 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18031 df_reorganize_refs, df_set_state, df_hard_reg_init,
18032 df_read_modify_subreg_p) New public functions.
18033 * df-core.c: The core dataflow solver and glue routines for rtl
18035 (df_init, df_add_problem, df_set_blocks, df_finish,
18036 df_hybrid_search_forward, df_hybrid_search_backward,
18037 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18038 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18039 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18040 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18041 df_reg_defined, df_find_use, df_reg_used, df_dump,
18042 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18043 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18044 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18045 debug_df_useno, reset_df_after_reload): New functions.
18046 * df-scan.c: The scanning fuctions, once in df.c, completely
18047 rewritten so that they now fully model the functionality of
18048 register usage at the backend.
18049 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18050 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18051 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18052 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18053 df_get_artificial_defs, df_get_artificial_uses,
18054 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18055 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18056 df_refs_delete, df_reorganize_refs, df_set_state,
18057 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18058 df_def_record_1, df_defs_record, df_uses_record,
18059 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18060 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18061 df_record_exit_block_uses, df_hard_reg_init): New functions.
18063 * df-problems.c: Seven concrete dataflow problems that use the
18064 scanning in df-scan.c and are solved by the engine in df-core.c.
18065 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18066 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18067 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18068 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18069 df_ru_free_bb_info, df_ru_alloc,
18070 df_ru_bb_local_compute_process_def,
18071 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18072 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18073 df_ru_transfer_function, df_ru_free, df_ru_dump,
18074 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18075 df_rd_free_bb_info, df_rd_alloc,
18076 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18077 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18078 df_rd_transfer_function, df_rd_free, df_rd_dump,
18079 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18080 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18081 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18082 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18083 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18084 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18085 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18086 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18087 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18088 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18089 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18090 df_urec_mark_reg_use_for_earlyclobber,
18091 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18092 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18093 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18094 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18095 df_chain_create_bb_process_use, df_chain_create_bb,
18096 df_chain_finalize, df_chain_free, df_chains_dump,
18097 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18098 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18099 df_reg_lifetime): New functions.
18100 * df.c: Deleted file.
18101 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18102 consistent with new df api.
18103 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18104 rest_of_handle_sms): Ditto.
18105 * web.c (unionfind_union, union_defs, entry_register, web_main):
18107 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18108 invariant_expr_equal_p, find_defs, check_dependencies,
18109 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18110 free_inv_motion_data, move_loop_invariants): Ditto.
18111 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18112 Update dependencies.
18113 (odf.c): Added defective entry that was deleted later in day.
18114 * sched-deps.c (sched_analyze_1): Ditto.
18116 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18118 * tree-ssa-operands.c (get_expr_operands): Record addressable
18119 variables directly. Do not call add_stmt_operands for CONST_DECLs
18121 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18122 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18124 2006-01-11 Ben Elliston <bje@au.ibm.com>
18126 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18127 function returns true in the positive case.
18129 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18132 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18133 for SI, DI, SF and DF modes. Add alternatives to copy between
18134 general and floating point registers to the 32-bit patterns.
18135 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18136 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18137 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18138 generating 64-bit code.
18139 * config/pa/pa.c (output_move_double): Handle copies between general
18140 and floating registers.
18142 2006-01-10 Stuart Hastings <stuart@apple.com>
18144 * config/i386/i386.md (set_got): Update.
18145 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18146 (builtin_setjmp_receiver): Mach-O support.
18147 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18148 (GOT_SYMBOL_NAME): Define.
18149 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18150 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18151 * config/i386/i386.c (override_options): Revise for Darwin.
18152 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18153 support. (darwin_x86_file_end): New. (output_set_got): Add label
18154 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18155 * config/i386/i386-protos.h (output_set_got): Likewise.
18156 * config/darwin.c (machopic_legitimize_pic_address): Update
18159 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18161 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18162 when MODE isn't BLKmode.
18164 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18166 PR rtl-optimization/25367
18167 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18169 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18172 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18173 for a negative bound.
18175 2006-01-10 Richard Guenther <rguenther@suse.de>
18177 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18178 Never override with anything constraint.
18180 2006-01-10 Jan Beulich <jbeulich@novell.com>
18182 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18183 256 bits when optimize_size.
18185 2006-01-10 Jan Beulich <jbeulich@novell.com>
18187 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18189 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18190 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18193 2006-01-10 Ben Elliston <bje@au.ibm.com>
18195 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18197 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18198 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18199 (USE_FP_FOR_ARG): Reject decimal float modes.
18200 (function_arg_advance): Likewise.
18201 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18202 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18203 point types in AltiVec vectors.
18204 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18205 (rs6000_libcall_value): Likewise.
18207 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18209 * config/xtensa/ieee754-df.S: New file.
18210 * config/xtensa/ieee754-sf.S: New file.
18211 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18212 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18213 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18215 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18217 * config/sh/predicates.md (binary_float_operator,
18218 binary_logical_operator, commutative_float_operator,
18219 equality_comparison_operator, greater_comparison_operator,
18220 less_comparison_operator, logical_operator,
18221 noncommutative_float_operator, shift_operator,
18222 symbol_ref_operand, unary_float_operator): Remove redundant
18225 2006-01-09 Jeff Law <law@redhat.com>
18227 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18228 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18229 now unused arguments. Callers updated.
18230 (eliminate_redundant_computations): Remove now unused arguments,
18232 (local_fold): Remove, no longer used.
18233 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18235 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18236 (simplify_cond): New function.
18237 (forward_propagate_into_cond): Call simplify_cond.
18239 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18241 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18242 (*vec_extractv2di_1_sse): New.
18244 2006-01-09 Ben Elliston <bje@au.ibm.com>
18246 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18248 2006-01-08 Richard Guenther <rguenther@suse.de>
18250 * tree-ssa-structalias.c (get_constraint_for): Remove
18251 anyoffset argument.
18252 (get_constraint_for_component_ref): Likewise.
18253 (do_deref): Likewise.
18254 (get_constraint_for): Likewise.
18255 (do_structure_copy): Likewise.
18256 (handle_ptr_arith): Likewise.
18257 (find_func_aliases): Likewise. Remove unused need_anyoffset
18260 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18261 Kaz Kojima <kkojima@gcc.gnu.org>
18263 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18264 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18265 (EXTRA_CONSTRAINT_C16): Remove.
18266 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18267 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18268 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18269 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18270 constants of SHmedia. Handle nested constant expressions of
18272 (andcosts): Fix the costs for SHmedia constants.
18273 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18274 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18275 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18276 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18277 (movv4hi_i, movv2si_i): Likewise.
18278 (movsi_const): Adjust the second operand of ior so to match with
18279 the Csu constraint.
18280 (movdi_const, movdi_const_32bit): Likewise.
18281 (movdi_const_16bit+1): Don't sign-extend LOW.
18282 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18284 (*double_shori): Fix the split condition. Use GEN_INT instead
18285 of get_int_mode calls. Mask lower 16-bit of the argument of
18287 (sym2GOTPLT): Remove.
18288 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18290 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18291 instead of EXTRA_CONSTRAINT_C16.
18293 2006-01-07 Ian Lance Taylor <ian@airs.com>
18294 David Edelsohn <edelsohn@gnu.org>
18296 PR rtl-optimization/25662
18297 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18298 for constant operands instead of simplify_gen_binary.
18299 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18300 after trying simplify_binary_operation
18302 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18304 * tree.c (iterative_hash_expr): Hash decls based on UID.
18306 2006-01-06 Eric Christopher <echristo@apple.com>
18308 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18309 (TARGET_UNWIND_EMIT): Fix spelling.
18310 * target.h (gcc_target): Add except_table_label.
18311 * except.c (output_function_exception_table): Use.
18312 * varasm.c (default_emit_except_table_label): New.
18313 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18315 (asm_out): Add here.
18316 * output.h (default_emit_except_table_label): Prototype.
18317 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18318 * config/darwin.c (darwin_emit_except_table_label): Define.
18319 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18321 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18323 PR tree-optimization/18527
18324 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18325 number_of_iterations_special, number_of_iterations_exit):
18326 Move base and step of an iv to a single structure. Add
18327 no_overflow flag, and use it in # of iterations analysis.
18328 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18329 folded_casts argument.
18330 (simple_iv): Pass base and step in a structure. Set no_overflow
18332 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18333 Evaluate expensiveness of computing # of iterations instead of
18334 the final expression.
18335 * tree-scalar-evolution.h (affine_iv): New structure.
18336 (simple_iv): Declaration changed.
18337 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18338 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18339 find_givs_in_stmt): Changed due to simple_iv change.
18341 2006-01-06 Jeff Law <law@redhat.com>
18344 * tree-cfg.c (bsi_replace): Rename final argument from
18345 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18346 change (stmt -> orig_stmt).
18347 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18348 (bsi_remove): Add new argument. Remove EH information
18350 (verify_eh_throw_table_statements): New function.
18351 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18353 * tree-optimize.c (execute_free_cfg_annotations): Verify
18354 the EH throw statement table after removing annotations.
18355 * except.h (verify_eh_throw_table_statements): Prototype.
18356 * tree-flow.h (bsi_remove): Update prototype.
18357 * tree-vrp.c (remove_range_assertions): Add new argument to
18359 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18360 * tree-complex.c (expand_complex_div_wide): Likewise.
18361 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18362 * tree-tailcall.c (eliminate_tailcall): Likewise.
18363 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18364 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18365 * tree-nrv.c (tree_nrv): Likewise.
18366 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18367 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18368 (combine_blocks): Likewise.
18369 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18370 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18371 (cleanup_control_flow): Likewise.
18372 (remove_forwarder_block): Likewise.
18373 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18374 * tree-sra.c (sra_replace): Likewise.
18375 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18376 (forward_propagate_single_use_vars): Likewise.
18377 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18378 * tree-inline.c (expand_call_inline): Likewise.
18379 * tree-vect-transform.c (vect_transform_loop): Likewise.
18380 * tree-outof-ssa.c (rewrite_trees): Likewise.
18381 * tree-cfg.c (make_goto_expr_edges): Likewise.
18382 (cleanup_dead_labels): Likewise.
18383 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18384 (bsi_move_before, bsi_move_after): Likewise.
18385 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18386 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18388 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18391 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18393 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18394 on non gimple variables. Also add checks at the top for decls and
18396 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18398 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18399 and IMAGPART_EXPR for creating MUST_DEFs.
18400 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18401 and NAME_MEMORY_TAG separately from the DECLs.
18403 2006-01-06 Richard Guenther <rguenther@suse.de>
18405 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18406 annotation, if necessary.
18407 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18408 redundant calls to update_stmt.
18409 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18412 2006-01-05 Richard Henderson <rth@redhat.com>
18414 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18416 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18418 * c-typeck.c: Update copyright date.
18420 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18422 * c-typeck.c (build_c_cast): Always warn when casting
18423 from a pointer to an integer of different size, even if
18424 the node was constant.
18426 2006-01-05 Richard Guenther <rguenther@suse.de>
18428 PR tree-optimization/22555
18429 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18430 if one structure field is an array.
18431 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18432 operands even if we found a subvar, but ignore VOPs in this
18434 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18436 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18438 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18440 PR middle-end/24998
18441 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18443 2006-01-05 Richard Guenther <rguenther@suse.de>
18444 Diego Novillo <dnovillo@redhat.com>
18446 * tree-pass.h (TODO_remove_unused_locals): Define.
18447 * gimple-low.c (expand_var_p, remove_useless_vars,
18448 pass_remove_useless_vars): Remove. Update all users.
18449 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18450 (remove_unused_locals): New function.
18451 * tree-flow.h (remove_unused_locals): Declare.
18452 * passes.c (execute_todo): Call remove_unused_locals if
18453 TODO_remove_unused_locals is set.
18454 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18455 * tree-ssa-dce.c (pass_dce): Likewise.
18456 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18458 2006-01-05 Richard Guenther <rguenther@suse.de>
18460 * tree-flow.h (struct fieldoff): Decompose field to
18461 type, size and decl.
18462 * tree-ssa-alias.c (create_sft): Take type as parameter.
18463 (create_overlap_variables_for): Store type, size and decl
18464 in the fieldoff structure.
18465 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18466 of struct fieldoff.
18467 (push_fields_onto_fieldstack): Likewise.
18468 (create_variable_info_for): Likewise. Use offset for the
18469 SFT name if the decl is not available.
18471 2006-01-04 Paul Brook <paul@codesourcery.com>
18473 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18475 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18477 * lambda-code.c (can_put_in_inner_loop): Relax
18479 (can_put_after_inner_loop): New function.
18480 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18481 (perfect_nestify): Change to make copies and modify uses.
18483 2006-01-04 Richard Henderson <rth@redhat.com>
18485 Merge from gomp branch:
18486 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18487 via integer constant.
18488 (pragma_lex): Remove.
18489 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18490 rather than parsing it.
18491 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18492 handle_pragma_extern_prefix): Add %< %> quotes.
18493 (registered_pragmas): New.
18494 (c_register_pragma_1): New.
18495 (c_register_pragma): Use it.
18496 (c_register_pragma_with_expansion): Likewise.
18497 (c_invoke_pragma_handler): New.
18498 (init_pragma): Use cpp_register_deferred_pragma directly for
18500 * c-pragma.h (enum pragma_kind): New.
18501 (pragma_handler): New.
18502 (c_invoke_pragma_handler): Declare.
18503 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18505 * c-common.h (c_common_pch_pragma): Update decl.
18506 * Makefile.in (c-parser.o): Update dependencies.
18507 (GTFILES): Add c-pragma.h.
18508 * c-parser.c (struct c_token): Add pragma_kind.
18509 (struct c_parser): Add in_pragma.
18510 (c_lex_one_token): Always initialize keyword and pragma_kind.
18511 Extract data for CPP_PRAGMA.
18512 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18513 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18514 Don't allow CPP_PRAGMA_EOL if in_pragma.
18515 (c_parser_consume_pragma): New.
18516 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18517 (c_parser_skip_to_end_of_parameter): Likewise.
18518 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18519 (c_parser_skip_to_pragma_eol): New.
18520 (c_parser_external_declaration): Handle CPP_PRAGMA.
18521 (c_parser_compound_statement_nostart): Likewise.
18522 (c_parser_statement_after_labels): Likewise.
18523 (c_parser_pragma): New.
18524 (pragma_lex): Likewise.
18525 (c_parser_pragma_pch_preprocess): New.
18526 (c_parser_new): Merge into ...
18527 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18529 2006-01-04 Jeff Law <law@redhat.com>
18532 * tree-cfg.c (bsi_replace): Remove the original statement
18533 from the EH throw statement table.
18535 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18537 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18538 make the prototype extern "C" and add throw ().
18541 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18542 and pos non-negative and pos + len <= 32.
18543 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18544 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18545 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18548 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18549 as well as sizes not multiple of component size.
18552 * function.c (instantiate_expr): New function.
18553 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18554 walk its DECL_VALUE_EXPR with instantiate_expr.
18556 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18557 DW_OP_deref{,_size} if address isn't going to be added.
18559 2006-01-04 Ben Elliston <bje@au.ibm.com>
18561 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18562 * config/fp-bit.c: Likewise.
18564 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18566 * dominance.c: Add comment about why we use DFS numbering
18569 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18570 Richard Henderson <rth@redhat.com>
18572 Merge from gomp-branch:
18573 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18574 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18576 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18578 PR rtl-optimization/25578
18579 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18580 pass a parameter to simplify_shift_const if changing ASHIFTRT
18583 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18585 * builtins.c (get_builtin_sync_mem): New function.
18586 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18587 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18588 Call get_builtin_sync_mem to generate mem rtx.
18590 2006-01-03 Richard Guenther <rguenther@suse.de>
18593 * stmt.c (add_case_node): Make sure to clear overflow flags
18596 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18598 Merge from gomp-branch.
18599 * config/sparc/sync.md: New file.
18600 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18601 UNSPECV_LDSTUB): New constants.
18602 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18603 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18604 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18607 2006-01-03 Roger Sayle <roger@eyesopen.com>
18609 * combine.c (reg_subword_p): New predicate to test whether the
18610 destination of a set refers to a subword/piece of a register.
18611 (try_combine): Generalize the code to merge the setting of a
18612 pseudo to a constant followed by a set of a subword of that
18613 register to a constant.
18615 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18617 * basic-block.h (control_flow_graph): Change the type of
18618 x_label_to_block_map to VEC(basic_block,gc) *.
18619 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18620 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18622 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18623 VEC(basic_block,heap) *.
18624 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18625 ssa_prop_fini): Adjust the uses of cfg_blocks.
18627 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18629 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18631 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18632 hashing trees instead of a pointer hash.
18633 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18634 compare for MEM_EXPR.
18636 PR rtl-optimization/25130
18637 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18638 when comparing MEMs for GCSE
18640 2006-01-03 Ben Elliston <bje@au.ibm.com>
18642 * targhooks.h (default_decimal_float_supported_p): Declare.
18643 * targhooks.c (default_decimal_float_supported_p): Define.
18644 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18645 `default_decimal_float_supported_p'.
18646 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18648 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18650 * combine.c (apply_distributive_law <SUBREG>): Check
18651 TRULY_NOOP_TRUNCATION.
18653 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18655 * dwarf2out.c (have_switched_text_section): Delete.
18656 (have_multiple_function_sections): New.
18657 (have_location_lists): Make 'bool'.
18658 (add_AT_loc_list): Use 'true' not '1'.
18659 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18660 (output_loc_list): Use have_multiple_function_sections.
18661 (output_ranges): Likewise.
18662 (dwarf2out_begin_function): Set have_multiple_function_sections if
18664 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18665 Check function_section rather than DECL_SECTION_NAME.
18666 (dwarf2out_finish): Use have_multiple_function_sections.
18667 Don't clear have_location_lists.
18669 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18670 Jan Hubicka <jh@suse.cz>
18672 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18673 case of conditional jump jumping to the next instruction.
18674 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18675 cases of conditional jump jumping to the next instruction.
18677 2006-01-02 Jan Hubicka <jh@suse.cz>
18679 * i386.c (*_cost): Add COSTS_N_INSNS.
18680 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18682 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18685 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18687 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18689 * config/arm/arm.c (all_fpus): Fix comment typo.
18690 * config/darwin.c: Likewise.
18691 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18692 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18693 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18695 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18697 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18698 (rs6000_split_compare_and_swapqhi): New.
18699 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18700 (sync_compare_and_swapqhi_internal): New.
18701 * config/rs6000/rs6000-protos.h: Declare.