1 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
6 2006-11-16 Mike Stump <mrs@apple.com>
8 * Makefile.in (targhooks.o): Add $(OPTABS_H).
10 2006-11-16 Dirk Mueller <dmueller@suse.de>
12 * tree-vrp.c (get_value_range): Use XCNEW instead
14 (insert_range_assertions): Use XCNEWVEC instead
15 of XNEWVEC and memset.
16 (vrp_initialize): Same.
18 * tree-ssa-ccp.c (ccp_initialize): Same.
19 * predict.c (tree_bb_level_predictions): Same.
20 * calls.c (expand_call): Same.
21 * tree-ssa-copy.c (init_copy_prop): Same.
22 (fini_copy_prop): Same.
23 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
24 of GGC_NEW and memset.
26 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
29 * gimplify.c (gimplify_expr): Only force a load for references to
30 non-BLKmode volatile values.
31 * doc/implement-c.texi (Qualifiers implementation): Document the
32 interpretation of what a volatile access is.
33 * doc/extend.texi (C++ Extensions): Rework same documentation.
35 2006-11-16 Joseph Myers <joseph@codesourcery.com>
37 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
40 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
42 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
44 (arm_neg_abssi2): Renamed from neg_abssi2.
45 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
47 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
49 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
50 number of arguments passed to local functions in SSE registers is 3.
52 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
53 number of arguments passed in SSE registers to 3.
55 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
58 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
60 (get_last_bb_insn): ... new global function.
61 (basic_block.h): Declare it.
62 * haifa-sched.c (create_recovery_block): Use it.
64 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
67 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
69 2006-11-15 Paul Brook <paul@codesourcery.com>
71 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
72 _Unwind_GetTextRelBase): Move from here ...
73 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
74 _Unwind_GetTextRelBase): ... To here.
76 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
78 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
79 addresses we generate for testing are aligned.
81 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
84 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
85 to what is the const decl is a place holder for.
87 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
89 * config/i386/i386.opt: New target option -mx87regparm.
91 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
92 and float_in_x87 variables. mmx_words, sse_words: Remove.
93 (X87_REGPARM_MAX): Define.
95 * config/i386/i386.c (override_options): Error out for
96 -mx87regparm but no 80387 support.
97 (ix86_attribute_table): Add x87regparm.
98 (ix86_handle_cconv_attribute): Update comments for x87regparm.
99 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
100 (ix86_function_x87regparm): New function.
101 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
103 (init_cumulative_args): Initialize x87_nregs and float_in_x87
105 (function_arg_advance): Process x87_nregs and x87_regno when
106 floating point argument is to be passed in 80387 register.
107 (function_arg): Pass XFmode arguments in 80387 registers for local
108 functions. Pass SFmode and DFmode arguments to local functions
109 in 80387 registers when flag_unsafe_math_optimizations is set.
111 * reg-stack.c (convert_regs_entry): Disable NaN load for
112 stack registers that are used for argument passing.
114 * doc/extend.texi: Document x87regparm function attribute.
115 * doc/invoke.texi: Document -mx87regparm.
117 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
119 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
120 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
121 arg MODE; all callers changed. Use it to determine validity per
122 machine mode instead of using Pmode for all memory references.
123 (get_address_cost): Likewise add and use new arg MEM_MODE.
125 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
126 J"orn Rennecke <joern.rennecke@st.com>
128 * combine.c (likely_spilled_retval_1): Fix masking operation.
129 (likely_spilled_retval_p): Use proper pattern for call to
130 likely_spilled_retval_1.
132 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
134 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
136 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
137 that tests for CONSTANT_POOL_ADDRESS_P.
139 2006-11-15 Jakub Jelinek <jakub@redhat.com>
141 PR tree-optimization/29581
142 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
143 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
144 type is different between Y and USE, create a temporary
145 variable, initialize it at the beginning of the body bb
146 and use it as replacement instead of Y.
148 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
151 * gimplify.c (fold_indirect_ref_rhs): Use
152 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
154 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
156 * expmed.c (emit_store_flag_1): New function.
157 (emit_store_flag): Call it. If we can't find a suitable scc insn,
159 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
160 Use do_compare_rtx_and_jump.
161 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
162 * arm.md (cstoresi4): New define_expand.
163 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
164 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
165 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
167 2006-11-14 Caroline Tice <ctice@apple.com>
169 * dwarf2out.c (debug_pubtypes_section): New static global variable.
170 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
172 (pubname_table): Redefine as a vector.
173 (pubtype_table): New static global variable, defined as a vector.
174 (pubname_table_allocated): Remove static global variable.
175 (pubname_table_in_use): Remove static global variable.
176 (PUBNAME_TABLE_INCREMENT): Remove constant.
177 (size_of_pubnames): Add parameter to deal with either pubnames or
178 pubtypes, and change code to deal with table being a vector.
179 (add_pubname): Change to deal with table being a vector.
180 (add_pubtype): New function.
181 (output_pubnames): Add parameter to deal with either pubnames or
182 pubtypes, and change code to deal with table being a vector.
183 (gen_array_type_die): Add call to add_pubtype.
184 (gen_enumeration_type_die): Add call to add_pubtype.
185 (gen_struct_or_union_type_die): Add call to add_pubtype.
186 (gen_subroutine_type_die): Add call to add_pubtype.
187 (gen_typedef_die): Add call to add_pubtype.
188 (dwarf2out_init): Add code to initialize pubname_table and
189 pubtype_table vectors; also initialize debug_pubtypes_section.
190 (prune_unused_types): Change to deal with pubnames being a vector.
191 (dwarf2out_finish): Change to deal with pubnames being a vector; add
192 pubnames table to call to output_pubnames; Add code to output pubtypes
193 table if DEBUG_PUBTYPES_SECTION is defined.
194 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
196 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
198 2006-11-14 Joseph Myers <joseph@codesourcery.com>
200 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
201 iwmmxt_nregs if TARGET_IWMMXT_ABI.
202 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
203 movv2si_internal): Support moves between core registers.
205 2006-11-14 Eric Christopher <echristo@apple.com>
207 * configure: Regenerate with autoconf 2.59.
209 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
211 Fix PR tree-optimization/27755
213 * tree-ssa-pre.c: Update comments.
214 (bb_bitmap_sets): Add pa_in and deferred member.
215 (BB_DEFERRED): New macro.
216 (maximal_set): New variable.
217 (pre_stats): Add pa_insert member.
218 (bitmap_set_and): Short circuit orig == dest.
219 (bitmap_set_subtract_values): New function.
220 (bitmap_set_contains_expr): Ditto.
221 (translate_vuses_through_block): Add phiblock argument.
222 (dependent_clean): New function.
223 (compute_antic_aux): Update for maximal_set changes.
224 (compute_partial_antic_aux): New function.
225 (compute_antic): Handle partial anticipation.
226 (do_partial_partial_insertion): New function.
227 (insert_aux): Handle partial anticipation.
228 (add_to_sets): Add to maximal set.
229 (compute_avail): Ditto.
230 (init_pre): Initialize maximal_set.
231 (execute_pre): Do partial anticipation if -O3+.
233 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
235 PR rtl-optimization/29798
237 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
238 TARGET_INSN before any other check.
239 (fwprop_init): Always calculate dominators.
240 (fwprop_done): Always free them.
242 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
247 2006-11-13 DJ Delorie <dj@redhat.com>
249 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
250 temporary for intermediates.
252 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
254 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
255 (sh_optimize_target_register_callee_saved): #if 0 the code
256 using NOTE_INSN_LOOP_{BEG,END}.
258 2006-11-13 Roger Sayle <roger@eyesopen.com>
260 * fold-const.c (optimize_bit_field_compare): Recursively call
261 fold when simplifying non-constant comparisons between bit-fields.
263 2006-11-13 Jakub Jelinek <jakub@redhat.com>
265 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
267 * configure: Rebuilt.
269 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
271 * config/rs6000/cell.md: New file.
272 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
274 (ppccell_cost): New cost matrix.
275 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
276 (rs6000_override_options): Set rs6000_always_hint to false
277 for cell. Also align functions/lables/loops to 8byte
278 for the Cell. Use PROCESSOR_CELL.
279 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
281 (rs6000_variable_issue): If the insn is a nonpipelined instruction
282 on the Cell, return 0.
283 (rs6000_adjust_cost): Add Cell cost adjustments.
284 (is_microcoded_insn): Return true for Cell microcoded
286 (is_nonpipeline_insn): New function.
287 (rs6000_issue_rate): Add PROCESSOR_CELL.
288 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
290 (rs6000_use_sched_lookahead_guard): New function.
291 (rs6000_sched_reorder): Reorder the ready list, if the second
292 to last ready insn is a nonepipeline insn on the Cell.
293 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
294 (ASM_CPU_SPEC): Add Cell.
295 * config/rs6000/rs6000.md (cpu): Add Cell.
296 (cell_micro): New Attr.
299 2006-11-13 Jakub Jelinek <jakub@redhat.com>
301 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
303 * configure: Rebuilt.
305 2006-11-13 Richard Guenther <rguenther@suse.de>
307 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
309 (ix86_expand_lfloorceil): Likewise.
310 (ix86_expand_rint): Likewise.
311 (ix86_expand_floorceildf_32): Likewise.
312 (ix86_expand_floorceil): Likewise.
313 (ix86_expand_rounddf_32): Likewise.
314 (ix86_expand_truncdf_32): Likewise.
315 (ix86_expand_round): Likewise.
317 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
318 Mark Mitchell <mark@codesourcery.com>
320 * gcc.c: Organize search path variables into $prefix relative,
321 and well-known native. Add comments.
322 (add_sysrooted_prefix): Add comment.
323 (process_command): If !gcc_exec_prefix add $prefix based paths.
324 If *cross_compile == '0', add native well-known paths.
325 Assert tooldir_base_prefix is always relative.
326 (main): If print_search_dirs, and if gcc_exec_prefix is set,
327 use this value for 'install:' path.
328 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
330 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
332 * config/i386/i386.c: Fix a typo in comment.
334 2006-11-13 Michael Matz <matz@suse.de>
336 * genemit.c (gen_expand): Allocate enough memory.
338 2006-11-13 Joseph Myers <joseph@codesourcery.com>
340 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
341 __GXX_TYPEINFO_EQUALITY_INLINE but not
342 __GXX_MERGED_TYPEINFO_NAMES.
343 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
344 __GXX_MERGED_TYPEINFO_NAMES.
345 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
346 __GXX_TYPEINFO_EQUALITY_INLINE.
348 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
349 Zdenek Dvorak <dvorakz@suse.cz>
351 PR tree-optimization/29680
352 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
355 2006-11-12 Jason Merrill <jason@redhat.com>
356 Andrew Pinski <pinskia@physics.uc.edu>
359 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
361 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
363 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
364 * tree.c (build_vector): Handle non-_CST elements.
366 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
368 * genemit.c (gen_insn): Call gen_exp with a non-null used
369 when handling multiple insns.
370 (gen_expand): Likewise.
371 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
372 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
373 (movsi_const_16bit+1): Copy operands[1].
374 (call_pcrel): Copy the call_site pattern.
375 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
377 2006-11-12 Roger Sayle <roger@eyesopen.com>
379 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
380 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
381 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
382 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
384 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
386 Fix PR tree-optimization/29587
387 * tree-ssa-structalias.c (process_constraint): Don't
388 mark address taken due only to escaped vars constraint.
390 2006-11-12 Michael Matz <matz@suse.de>
391 Roger Sayle <roger@eyesopen.com>
393 PR rtl-optimization/29797
394 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
395 BITS_BIG_ENDIAN targets.
397 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * builtins.c (fold_builtin_cosh): New.
400 (fold_builtin_1): Use it.
401 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
402 trunc to the list of "odd" functions. Also add llrint, lrint,
403 rint and nearbyint when flag_rounding_math is false.
405 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
407 * tree-flow.h (name_mappings_registered_p): Declare.
408 * tree-into-ssa.c (name_mappings_registered_p): New function.
409 * tree-cfg.c (tree_can_merge_blocks_p): Check
410 name_mappings_registered_p instead of need_ssa_update_p.
412 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
414 * tree-ssa-loop.c (tree_vectorize): Return the result of
416 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
418 * tree-vectorizer.h (vectorize_loops): Declaration removed.
419 * tree-flow.h (vectorize_loops): Declaration changed.
421 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
423 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
425 (issue_prefetch_ref): Move assignment to write_p out of loop.
426 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
427 SIMULTANEOUS_PREFETCHES into account.
428 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
429 * lambda-code.c (lcm): Renamed to ...
430 (least_common_multiple): ... and exported.
431 * tree-flow.h (least_common_multiple): Declare.
433 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
435 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
436 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
437 ud-chains. Handle AND_EXPR.
438 (record_estimate): Record whether the estimate is realistic
439 and whether it is derived from a loop exit.
440 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
441 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
443 (compute_estimated_nb_iterations): Take only realistic bounds into
444 account. Set estimate_state. Use double_ints.
445 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
446 and infer_loop_bounds_from_signedness. Do not consider basic blocks
447 that do not have to be always executed.
448 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
449 to determine whether to call infer_loop_bounds_from_undefined
450 and compute_estimated_nb_iterations.
451 (n_of_executions_at_most): Use double_ints.
452 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
453 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
454 * double-int.c (double_int_to_tree): Improve comment.
455 (double_int_fits_to_tree_p): New function.
456 * double-int.h (double_int_fits_to_tree_p): Declare.
457 * tree-data-ref.c: Include langhooks.h.
458 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
459 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
460 (analyze_array): Do not pass estimate_only argument to
461 analyze_array_indexes.
462 (get_number_of_iters_for_loop): Build tree from the stored double_int
464 (get_references_in_stmt, find_data_references_in_stmt): New functions.
465 (find_data_references_in_loop): Use find_data_references_in_stmt.
466 * tree-data-ref.h (struct data_ref_loc_d): New.
467 (get_references_in_stmt): Declare.
468 (estimate_iters_using_array): Declaration removed.
469 * cfgloop.h (struct nb_iter_bound): Change type of bound to
470 double_int. Improve comments. Add is_exit and realistic
472 (struct loop): Changed type of estimated_nb_iterations to double_int.
473 Added estimate_state field.
474 (record_estimate): Declaration removed.
476 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
478 * params.c (set_param_value): Initialize the "set" field.
479 * params.h (struct param_info): Add "set" field.
480 (PARAM_SET_P): New macro.
481 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
482 L1_CACHE_LINE_SIZE): New macros.
483 * toplev.c (DEFPARAM): Initialize the "set" field.
484 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
485 SIMULTANEOUS_PREFETCHES): Removed.
486 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
487 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
488 * config/sparc/sparc.c: Include params.h.
489 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
490 L1_CACHE_LINE_SIZE parameters.
491 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
493 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
495 * config/i386/i386.c: Include params.h.
496 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
497 (override_options): Set SIMULTANEOUS_PREFETCHES and
498 L1_CACHE_LINE_SIZE parameters.
499 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
500 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
501 L1_CACHE_LINE_SIZE parameters.
502 * config/ia64/ia64.c (ia64_optimization_options): Set
503 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
504 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
506 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
507 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
508 * doc/invoke.texi: Document new params.
510 2006-11-12 Roger Sayle <roger@eyesopen.com>
512 PR tree-optimization/13827
513 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
516 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
518 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
519 update_single_exit_for_duplicated_loops): New functions.
520 (duplicate_loop_to_header_edge): Use
521 update_single_exit_for_duplicated_loops.
522 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
523 functions only with ENABLE_CHECKING.
525 2006-11-12 Andreas Schwab <schwab@suse.de>
527 * except.c (sjlj_emit_function_enter): Remove unused variable.
529 2006-11-11 Roger Sayle <roger@eyesopen.com>
531 * fold-const.c (int_binop_types_match_p): New function.
532 (size_binop): Relax constraint that both arguments must both have
533 exactly the same sizetype type. Instead use int_binop_types_match_p.
534 (size_diffop): Likewise.
536 (make_range): Use build_int_cst instead of fold_convert.
537 (fold_cond_expr_with_comparison): Use build_int_cst to construct
538 integer constants of the correct type.
539 (fold_div_compare): Likewise.
540 (fold_single_bit_test): Likewise.
541 (fold_binary): Likewise.
542 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
543 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
545 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
548 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
549 non null value if the struct memory access is in the 0th
552 2006-11-12 Jie Zhang <jie.zhang@analog.com>
555 2006-11-11 Jie Zhang <jie.zhang@analog.com>
556 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
559 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
560 instead of builtin_define for bfin and BFIN.
562 2006-11-11 Jie Zhang <jie.zhang@analog.com>
564 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
567 2006-11-11 Jan Hubicka <jh@suse.cz>
569 * extended.texi (__builtin_expect): We no longer require second argument
571 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
572 * builtins.c (expand_builtin_expect): Simplify.
573 (expand_builtin_expect_jump): Kill.
574 * final.c (final_scan_insn): Do not skip the removed notes.
575 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
576 EXPECTED_VALUE): Remove.
577 * dojump.c (do_jump): Do not care about __builtin_expect.
578 * predict.c (expected_value_to_br_prob): Kill.
579 * function.c (expand_function_end): Do not expand
580 NOTE_INSN_REPEATED_LINE_NUMBER.
581 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
582 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
583 * cfgexpand.c (add_reg_br_prob_note): Export.
584 * cfgcleanup.c (rest_of_handle_jump2): Do not call
585 expected_value_to_br_prob.
586 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
587 * rtl.h (add_reg_br_prob_note): Declare.
589 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
593 2006-11-11 Jan Hubicka <jh@suse.cz>
595 * predict.c (predict_loops): Kill RTL variant.
597 2006-11-11 Jan Hubicka <jh@suse.cz>
599 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
600 * modulo-sched.c (find_line_note): Remove.
601 (loop_canon_p): Do not worry about line number notes.
602 (sms_schedule): Likewise.
603 * cse.c (cse_main): Likewise.
604 * regmove.c (fixup_match_1): Likewise
605 * function.c (emit_return_info_block): Likewise.
606 (expand_function_end): Likewise.
607 (thread_prologue_an_epilogue_insns): Likewise.
608 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
610 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
611 emit_note_copy_after): Kill.
612 (emit_note_copy): Do not worry about line numbers.
613 * jump.c (purge_line_number_notes): Kill.
614 (pass_purge_lineno_notes): Kill.
615 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
617 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
618 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
619 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
620 * tree-pass.h (pass_purge_lineno_notes): Kill.
621 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
622 rm_redundant_line_notes.
623 * sched-rgb.c (schedule_region): Don't rm_line_notes,
624 rm_redundant_line_notes.
625 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
626 * haifa-sched.c: Update comment about handling notes.
627 (unlink_line_notes): Kill.
628 (rm_line_notes): Kill.
629 (save_line_notes): Simplify.
630 (rm_redundant_line_notes): Kill.
632 2006-11-11 Richard Guenther <rguenther@suse.de>
634 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
635 Remove unused tree codes.
636 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
637 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
638 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
639 * tree.c (stabilize_reference): Likewise.
640 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
641 fold_unary): Likewise.
642 * tree-gimple.c (is_gimple_cast): Likewise.
643 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
644 * expr.c (expand_expr_real_1): Likewise.
645 * tree-eh.c (tree_could_trap_p): Likewise.
646 * gimplify.c (gimplify_expr): Likewise.
647 * tree-inline.c (estimate_num_insns_1): Likewise.
648 * tree-cfg.c (verify_expr): Likewise.
650 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
652 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
653 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
654 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
656 2006-11-11 Richard Sandiford <richard@codesourcery.com>
659 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
660 constraints accept neither registers or memories.
662 2006-11-11 Jie Zhang <jie.zhang@analog.com>
664 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
665 (NO_PROFILE_COUNTERS): Define as 1.
667 2006-11-10 Roger Sayle <roger@eyesopen.com>
669 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
670 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
672 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
674 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
676 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
679 (fold_builtin_hypot): Likewise.
680 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
682 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
684 2006-11-10 Roger Sayle <roger@eyesopen.com>
686 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
687 when attempting to build INTEGER_CSTs of non-integral types.
688 * expmed.c (make_tree): Use the correct type, i.e. the inner
689 type, when constructing the individual elements of a CONST_VECTOR.
691 2006-11-10 Jan Hubicka <jh@suse.cz>
693 * cse.c (cse_process_notes): Copy the propagated value.
694 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
696 * gcse.c (try_replace_reg): Copy the replacement.
697 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
698 (assign_386_stack_local): Always return copied memory expression
699 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
702 2006-11-10 Jan Hubicka <jh@suse.cz>
704 * final.c (final): Walk from first instruction.
705 * cfglayout.c (insn_locators_initialize): Remove line number notes.
707 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
710 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
712 (umulv8hi3_highpart): Ditto.
713 (vec_widen_smult_hi_v8hi): New expander.
714 (vec_widen_smult_lo_v8hi): Ditto.
716 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
719 * builtins.c (do_mpfr_arg3): New.
720 (fold_builtin_1): Handle builtins fma, fmin and fmax.
722 2006-11-09 Eric Christopher <echristo@apple.com>
727 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
728 * config.gcc (powerpc64-*-darwin*): New target.
729 * config.host: Ditto.
730 * config/rs6000/darwin64.h: New file.
731 * config/rs6000/x-darwin64: Ditto.
732 * config/rs6000/host-ppc64-darwin.c: Ditto.
734 2006-11-09 Steve Ellcey <sje@cup.hp.com>
736 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
737 routines for integer division.
739 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
741 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
743 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
746 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
748 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
750 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
751 simplify_subreg with BLKmode outer mode.
753 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
755 * doc/invoke.texi: Minor formatting fixes in option lists.
757 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
759 PR tree-optimization/29738
760 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
761 (ccp_lattice_t): Remove UNKNOWN_VAL.
762 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
763 Do not handle UNKNOWN_VAL.
764 (get_default_value): Set initial value of virtual operands to
766 (get_value): Always use get_default_value on uninitialized
768 (set_value_varying, surely_varying_stmt_p): New functions.
769 (set_lattice_value): Do not pass argument to get_value.
770 Do not handle UNKNOWN_VAL.
771 (likely_value): Follow the semantics described in the comment.
772 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
773 phi nodes DONT_SIMULATE_AGAIN.
774 (ccp_fold): Do not pass argument to get_value.
775 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
778 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
780 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
781 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
783 2006-11-08 Roger Sayle <roger@eyesopen.com>
785 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
786 test for inclusion rather than as a test for exclusion.
787 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
788 the condition after calling fold_binary.
789 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
790 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
791 * builtins.c (fold_builtin_isascii): Likewise.
792 (fold_builtin_isdigit): Likewise.
794 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
796 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
797 * configure: Regenerate.
799 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
801 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
802 enum argument instead of bool.
803 (vect_analyze_operations): Call vectorizable_type_promotion.
804 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
805 stmt_vec_info_type value.
806 (supportable_widening_operation, vectorizable_type_promotion): New
807 function declarations.
808 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
809 (vectorizable_type_promotion): New function.
810 (vect_transform_stmt): Call vectorizable_type_promotion.
811 * tree-vect-analyze.c (supportable_widening_operation): New function.
812 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
814 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
817 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
818 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
819 * tree-inline.c (estimate_num_insns_1): Add cases for above new
821 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
822 * expr.c (expand_expr_real_1): Likewise.
823 * optabs.c (optab_for_tree_code): Likewise.
824 (init_optabs): Initialize new optabs.
825 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
826 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
827 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
828 vec_unpacku_lo_optab): Initialize new optabs.
829 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
830 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
831 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
833 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
834 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
835 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
836 (vec_unpacku_lo_optab): New optabs.
837 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
838 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
839 (vec_widen_smult_hi, vec_widen_smult_lo): New.
840 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
841 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
842 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
844 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
845 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
846 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
847 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
848 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
849 implement the unsigned unpacking patterns.
850 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
851 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
852 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
853 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
854 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
855 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
856 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
857 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
858 multiplication patterns.
860 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
861 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
862 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
863 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
864 (rs6000_builtin_mul_widen_odd): New.
865 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
866 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
867 * tree-vectorizer.h (enum vect_relevant): New enum type.
868 (_stmt_vec_info): Field relevant chaned from bool to enum
870 (STMT_VINFO_RELEVANT_P): Updated.
871 (STMT_VINFO_RELEVANT): New.
872 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
873 instead of STMT_VINFO_RELEVANT_P.
874 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
875 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
876 and boolean variable with enum vect_relevant.
877 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
878 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
879 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
881 2006-11-08 Richard Henderson <rth@redhat.com>
883 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
884 vec_widen_umult_lo_v8hi): New.
885 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
886 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
888 * config/i386/i386.c (ix86_expand_sse_unpack): New.
889 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
890 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
891 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
892 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
893 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
894 vec_unpacks_lo_v4si): New.
896 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
898 * tree-vect-transform.c (vectorizable_type_demotion): New function.
899 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
900 (vect_analyze_operations): Call vectorizable_type_demotion.
901 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
902 stmt_vec_info_type value.
903 (vectorizable_type_demotion): New function declaration.
904 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
907 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
908 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
910 * tree-iniline.c (estimate_num_insns_1): Likewise.
911 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
912 * optabs.c (optab_for_tree_code): Likewise.
914 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
915 compared against the predicate of the result is not 'mode' (the input
916 to the function) but a mode with half the size of 'mode'.
917 (init_optab): Initialize new optabs.
918 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
920 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
922 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
923 (vec_pack_usat_optab): Initialize new optabs.
924 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
925 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
927 2006-11-08 Richard Henderson <rth@redehat.com>
929 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
930 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
931 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
932 (vec_interleave_highv4si, vec_interleave_lowv4si):
933 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
935 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
937 * tree-vect-transform.c (vectorizable_reduction): Support multiple
939 (vect_transform_stmt): Removed redundant code.
941 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
943 * tree-vect-transform.c (vectorizable_operation): Support multiple
946 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
948 * tree-vect-transform.c (vect_align_data_ref): Removed.
949 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
950 Updated function documentation. Return the increment stmt in ptr_incr.
951 (bump_vector_ptr): New function.
952 (vect_get_vec_def_for_stmt_copy): New function.
953 (vect_finish_stmt_generation): Create a stmt_info to newly created
955 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
957 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
958 VF is greater than the number of elements that can fit in one vector
960 (vectorizable_operation, vectorizable_condition): Likewise.
961 (vectorizable_store, vectorizable_load): Support the case that the VF
962 is greater than the number of elements that can fit in one vector word.
963 (vect_transform_loop): Don't fail in case of multiple data-types.
964 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
965 in case of multiple data-types; the smallest type determines the VF.
966 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
967 if they are of different sizes.
968 (vect_update_misalignment_for_peel): Compare misalignments in terms of
969 number of elements rather than number of bytes.
970 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
971 (vect_can_advance_ivs_p): Fix a dump printout
973 2006-11-07 Eric Christopher <echristo@apple.com>
975 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
977 * libgcc2.h: Remove transformation of bswap routines.
978 * config/i386/i386.md (bswapsi2): New.
981 2006-11-07 Jakub Jelinek <jakub@redhat.com>
983 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
984 (handle_gnu_inline_attribute): New function.
985 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
986 (merge_decls, start_decl, start_function): Likewise.
987 * doc/extend.texi: Document gnu_inline attribute.
989 2006-11-07 Steve Ellcey <sje@cup.hp.com>
992 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
993 _fixunstfdi, and _floatditf
995 2006-11-06 Anatoly Sokolov <aesok@post.ru>
997 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
999 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1000 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1001 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1002 which start in an odd register.
1004 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1006 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1008 2006-11-07 Josh Conner <jconner@apple.com>
1010 * doc/invoke.texi (fstrict-aliasing): Move implementation
1012 * doc/tree-ssa.texi (Alias analysis): ...here.
1014 2006-11-07 Richard Guenther <rguenther@suse.de>
1016 PR tree-optimization/29610
1017 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1018 of tree_purge_dead_eh_edges as it may free dominators.
1020 * g++.dg/other/pr29610.C: New testcase.
1022 2006-11-07 David Ung <davidu@mips.com>
1024 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1025 costs when optimizing for size.
1026 (override_options): Use mips_rtx_cost_optimize_size table for cost
1029 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1031 * gcc.c (process_command): Treat -b as normal switch if its argument
1034 2006-11-07 David Ung <davidu@mips.com>
1036 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1039 2006-11-06 Eric Christopher <echristo@apple.com>
1041 * config.gcc: Add x86_64-darwin host support.
1042 * config.host: Ditto.
1043 * config/i386/darwin64.h: New file.
1044 * config/i386/t-darwin64: Ditto.
1046 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1048 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1049 and output-exists-not.
1051 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1054 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1055 checking for overflow.
1057 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1059 * configure.ac: Fixed typo in case statement: :: changed to ;;
1061 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1063 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1064 count_leading_zeros, and count_trailing_zeros.
1065 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1066 (TARGET_FOLD_BUILTIN): Define.
1067 (TARGET_EXPAND_BUILTIN): Define.
1068 (xtensa_init_builtins): New.
1069 (xtensa_fold_builtin): New.
1070 (xtensa_expand_builtin): New.
1071 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1072 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1073 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1074 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1075 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1076 (any_extend): New code macro.
1077 (u, su): New code attributes.
1078 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1079 (nsau): Remove; replaced by clzsi2.
1080 (ffssi2): Use clzsi2.
1081 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1082 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1083 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1084 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1085 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1087 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1089 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1091 * config/arm/t-strongarm-elf: Likewise.
1092 * config/arm/t-pe: Likewise.
1093 * config/arm/t-arm-elf: Likewise.
1094 * config/arm/t-xscale-elf: Likewise.
1095 * config/arm/t-arm-coff: Likewise.
1096 * config/arm/t-xscale-coff: Likewise.
1097 * config/arm/t-wince-pe: Likewise.
1099 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1101 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1104 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1107 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1110 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1113 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1114 as a valid 80387 constant.
1115 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1116 * config/i386/i386.md (unnamed splitter): Split the load of
1117 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1120 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1122 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1123 from the soft-frame, argument and virtual registers.
1125 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1127 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1128 patterns for standard 80387 constants.
1130 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1131 Steven Bosscher <steven@gcc.gnu.org>
1133 * fwprop.c: New file.
1134 * Makefile.in: Add fwprop.o.
1135 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1136 * passes.c (init_optimization_passes): Schedule forward propagation.
1137 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1139 * timevar.def (TV_FWPROP): New.
1140 * common.opt (-fforward-propagate): New.
1141 * opts.c (decode_options): Enable forward propagation at -O2.
1142 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1143 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1144 canon_for_address, table_size): Remove.
1145 (new_basic_block, insert, remove_from_table): Remove references to
1147 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1148 simplification loop more straightforward by not calling fold_rtx
1150 (equiv_constant): Move here a small part of fold_rtx_subreg,
1151 do not call fold_rtx. Call avoid_constant_pool_reference
1153 * recog.h (canonicalize_change_group): New.
1155 * doc/invoke.texi (Optimization Options): Document fwprop.
1156 * doc/passes.texi (RTL passes): Document fwprop.
1158 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1160 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1161 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1162 (grokdeclarator): Likewise.
1164 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1166 * tree-dump.c (dump_enable_all): Rename local variable
1167 ir_type to avoid name conflicts.
1168 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1169 instead of using ir_type().
1170 * profile.c (tree_register_profile_hooks): Likewise.
1171 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1172 * basic-block.h (struct edge_def): Likewise.
1173 * config/arm/arm.c (legitimize_pic_address): Likewise.
1174 * coretypes.h (ir_type): New enum of all intermediate languages
1176 * cfghooks.c (ir_type): Rename to...
1177 (current_ir_type): ...this. Distinguish between cfgrtl and
1178 cfglayout mode when the current IR is RTL. Return enum ir_type.
1179 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1181 2006-11-03 Paul Brook <paul@codesourcery.com>
1183 * config/arm/arm.c (arm_file_start): New function.
1184 (TARGET_ASM_FILE_START): Define.
1185 (arm_default_cpu): New variable.
1186 (arm_override_options): Set arm_default_cpu.
1188 2006-11-03 David Ung <davidu@mips.com>
1190 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1191 PROCESSOR_24KC and PROCESSOR_24KF.
1192 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1193 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1194 (mips_rtx_cost_data): Add costs for the 24kc.
1195 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1196 * config/mips/24k.md: Remove references to 24k and replace with
1197 uses of 24kc/24kf in the appropriate reservations.
1198 * doc/invoke.texi (MIPS Options): Updated.
1200 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1202 * config/sh/crt1.asm: Fix #ifdef indent.
1204 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1205 Merged from STMicroelectronics sources:
1206 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1207 * config/sh/crt1.asm (vbr_600): Add missing #if.
1208 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1209 * sh.opt (mfused-madd): New option.
1210 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1211 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1212 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1213 Remove pointless handler at VBR+0.
1214 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1215 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1216 fr7. Make sure the timer handler is called with the correct FPU
1217 precision setting, according to the ABI.
1218 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1219 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1220 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1221 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1222 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1223 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1224 zero as second operand.
1225 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1226 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1227 Fixed some bugs related to negative values, in particular -0
1228 and overflow at -0x80000000.
1229 * config/sh/divcost-analysis: Added sh4-300 figures.
1230 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1231 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1232 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1233 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1234 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1235 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1237 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1239 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1240 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1241 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1242 mac_mem, mem_mac, dfp_mul, fp_cmp.
1243 (insn_class, dfp_comp, any_fp_comp): Update.
1244 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1245 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1246 (muldf3_i): Likewise.
1247 (movsi_i): Split rI08 alternative into two separate alternatives.
1249 (movsi_ie, movsi_i_lowpart): Likewise.
1250 (movqi_i): Split ri alternative into two separate alternatives.
1252 * sh1.md (sh1_load_store, sh1_fp): Update.
1253 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1254 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1255 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1256 (sh4a_fp_double_arith): Likewise.
1257 * sh4-300.md: New file.
1258 * sh.c (sh_handle_option): Handle m4-300* options.
1259 (sh_adjust_cost): Fix latency of auto-increments.
1260 Handle SH4-300 differently than other SH4s. Check for new insn types.
1261 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1262 been set by an option.
1263 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1264 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1265 (mbranch-cost=): Likewise.
1266 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1268 * sh.md (mulsf3): Remove special expansion code.
1269 (mulsf3_ie): Now a define_insn_and_split.
1270 (macsf3): Allow for TARGET_SH4.
1272 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1273 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1274 (expand_cbranchdi4): Likewise.
1275 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1276 CONST_DOUBLE if the outer code is COMPARE.
1277 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1278 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1279 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1280 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1281 Remove redundant fp_{zero,one}_operand checks.
1282 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1283 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1284 (expand_cbranchdi4): Likewise.
1285 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1286 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1288 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1290 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1293 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1295 * doc/invoke.texi: Fix mfp-trap-mode typo.
1297 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1299 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1300 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1301 file_end_indicate_exec_stack.
1302 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1304 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1305 for a non-executable stack.
1306 * crti.asm: Likewise.
1307 * crtn.asm: Likewise.
1308 * libunwind.S: Likewise.
1310 2006-11-02 Ben Elliston <bje@au.ibm.com>
1312 * tree-ssa.c (warn_uninit): Use expand_location variables for
1313 locus and declaration locus.
1315 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1318 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1319 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1320 cmp{eq,gt,gtu}{si,di}_media.
1321 (*cmpne0si_media): Remove.
1322 (*movsicc_umin): Adjust gen_cmp*_media call.
1323 (unordered): Change the mode of unordered and operands[1] to
1325 (seq): Adjust gen_cmp*_media calls. Make the mode of
1326 a temporary result of compare SImode if needed. If the mode
1327 of operands[0] is DImode, extend the temporary result to DImode.
1328 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1329 (sunorderd): Change the mode of match_operand and unorderd to
1331 (cmpeq{sf,df}_media): Remove.
1332 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1333 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1334 and compare operation to SImode.
1336 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1338 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1340 (sparc64-sun-solaris2*): Likewise.
1342 2006-11-02 Paul Brook <paul@codesourcery.com>
1344 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1345 from priority argument. Use different section for non-default
1347 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1349 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1352 * except.c (switch_to_exception_section): Do not cache the section
1353 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1354 and flag_function_sections is set.
1356 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * builtins.c (do_mpfr_sincos): New.
1360 (fold_builtin_1): Use it to fold builtin sincos.
1362 2006-11-01 Roger Sayle <roger@eyesopen.com>
1364 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1365 it into -D_REENTRANT.
1367 2006-11-01 Roger Sayle <roger@eyesopen.com>
1369 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1370 whether the assembler supports taking the difference of symbols in
1371 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1372 * configure: Regenerate.
1373 * config.in: Regenerate.
1374 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1375 the assembler doesn't support taking the difference of symbols in
1376 different sections, i.e. we're using the native solaris assembler.
1378 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1379 Peter Bergner <bergner@vnet.ibm.com>
1381 * doc/invoke.texi: Add cpu_type power6x
1382 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1383 * config.gcc: Add cpu_type power6x.
1384 * configure.ac: Add test for mf{t,f}gpr instructions.
1385 (HAVE_AS_MFPGPR): New.
1386 * config.in: Regenerate.
1387 * configure: Regenerate.
1388 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1389 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1390 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1391 and mftgpr attributes.
1392 (define_attr "cpu"): Add power6.
1393 Change instruction sequences to use new attributes.
1394 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1395 (fix_truncdfsi2_mfpgpr): New.
1396 (floatsidf_ppc64_mfpgpr): New.
1397 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1398 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1399 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1400 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1401 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1402 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1403 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1404 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1405 cntlz,exts and var_delayed_compare.
1406 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1407 _ARCH_PWR6X, if features enabled.
1408 * config/rs6000/rs6000.opt (mmfpgpr): New.
1409 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1410 (cached_can_issue_more): New variable.
1411 (processor_costs): Add power6_cost.
1412 (rs6000_sched_init): New function.
1413 (is_dispatch_slot_restricted): Deleted.
1414 (set_to_load_agen): New function.
1415 (is_load_insn,is_store_insn): New functions.
1416 (adjacent_mem_locations): New function.
1417 (insn_must_be_first_in_group): New function.
1418 (insn_must_be_last_in_group): New function.
1419 (rs6000_sched_reorder): New function.
1420 (rs6000_sched_reorder2): New function.
1421 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1422 TARGET_SCHED_REORDER2): Define.
1423 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1424 Add power6x. Add MASK_MFPGPR for power6x.
1425 (POWERPC_MASKS): Add MASK_MFPGPR.
1426 (rs6000_override_options): Set rs6000_always_hint to false
1427 for power6. Set rs6000_align_branch_targets. Replace
1428 rs6000_sched_groups check with rs6000_align_branch_targets.
1429 Use PROCESSOR_POWER6.
1430 (last_scheduled_insn): New variable.
1431 (load_store_pendulum): New variable.
1432 (rs6000_variable_issue): Set last_scheduled_insn and
1433 cached_can_issue_more.
1434 (rs6000_adjust_cost): Add power6 cost adjustments.
1435 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1436 with insn_must_be_first_in_group. Add power6 priority adjustments.
1437 (rs6000_issue_rate): Add CPU_POWER6.
1438 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1439 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1440 (TARGET_MFPGPR): New.
1441 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1442 (ASM_CPU_SPEC): Add power6x.
1443 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1445 * config/rs6000/power6.md: New file.
1447 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1449 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1450 HOST_WIDE_INT_PRINT to print high and low parts. Use
1451 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1452 printing a hexadecimal number prefix it with 0x.
1454 2006-11-01 Chris Johns <chris@contemporary.net.au>
1457 * Makefile.in (install-driver): Use exeext when installing
1458 $target-gcc-$version.
1460 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1462 * c-common.c (flag_cpp0x): New.
1463 * c-common.h (flag_cpp0x): New.
1464 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1465 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1466 * c-opts.c (set_std_cxx0x): New.
1467 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1468 * c.opt (std=c++0x): Document.
1469 (std=gnu++0x): Ditto.
1470 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1471 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1473 2006-11-01 Richard Guenther <rguenther@suse.de>
1475 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1477 (ix86_expand_floorceildf_32): Likewise.
1478 (ix86_expand_floorceil): Likewise.
1479 (ix86_expand_trunc): Likewise.
1481 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1483 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1486 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1488 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1490 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1492 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1494 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1495 * configure.ac (use_cxa_atexit): As a special case, don't test
1496 for libc definition of __cxa_atexit on mingw32
1497 * configure: Regenerate.
1498 * config.gcc (i[34567]86-pc-mingw32): Default to
1499 enable__cxa_atexit=yes.
1501 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1503 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1505 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1508 * c-decl.c (start_struct): Don't create self-containing
1510 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1512 * config/rs6000/rs6000-protos.h
1513 (darwin_rs6000_special_round_type_align): New.
1514 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1515 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1517 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1519 * toplev.c (compile_file): Call final_write_globals
1520 even if there have been errors.
1522 2006-10-31 Eric Christopher <echristo@apple.com>
1523 Falk Hueffner <falk@debian.org>
1525 * doc/extend.texi (__builtin_bswap32): Document.
1526 (__builtin_bswap64): Ditto.
1527 * doc/libgcc.texi (bswapsi2): Document.
1529 * doc/rtl.texi (bswap): Document.
1530 * optabs.c (expand_unop): Don't widen a bswap.
1531 (init_optabs): Init bswap. Set libfuncs explicitly
1532 for bswapsi2 and bswapdi2.
1533 * optabs.h (OTI_bswap): New.
1534 (bswap_optab): Ditto.
1535 * genopinit.c (optabs): Handle bswap_optab.
1536 * tree.h (tree_index): Add TI_UINT32_TYPE and
1538 (uint32_type_node): New.
1539 (uint64_type_node): Ditto.
1540 * tree.c (build_common_tree_nodes_2): Initialize
1541 uint32_type_node and uint64_type_node.
1542 * builtins.c (expand_builtin_bswap): New.
1543 (expand_builtin): Call.
1544 (fold_builtin_bswap): New.
1545 (fold_builtin_1): Call.
1546 * fold-const.c (tree_expr_nonnegative_p): Return true
1548 * builtin-types.def (BT_UINT32): New.
1550 (BT_FN_UINT32_UINT32): Ditto.
1551 (BT_FN_UINT64_UINT64): Ditto.
1552 * builtins.def (BUILT_IN_BSWAP32): New.
1553 (BUILT_IN_BSWAP64): Ditto.
1554 * rtl.def (BSWAP): New.
1555 * genattrtab.c (check_attr_value): New.
1556 * libgcc2.c (__bswapSI2): New.
1557 (__bswapDI2): Ditto.
1558 * libgcc2.h (__bswapSI2): Declare.
1559 (__bswapDI2): Ditto.
1560 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1561 * simplify-rtx.c (simplify_const_unary_operation): Return
1563 * libgcc-std.ver (__bwapsi2): Add.
1564 (__bswapdi2): Ditto.
1565 * reload1.c (eliminate_regs_1): Add bswap.
1566 (elimination_effects): Ditto.
1567 * config/i386/i386.h (x86_bswap): New.
1568 (TARGET_BSWAP): Use.
1569 * config/i386/i386.c (x86_bswap): Set.
1571 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1573 * coverage.c (coverage_checksum_string): Update comment.
1574 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1575 of get_file_function_name.
1576 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1577 of get_file_function_name_long.
1578 * tree.c (get_file_function_name): Rename from
1579 get_file_function_name_long; improve comment; handle 'I' and 'D'
1580 specially when the target has ctor/dtor support; remove special
1582 (get_file_function_name): Remove.
1583 * tree.h (get_file_function_name): Rename from
1584 get_file_function_name_long.
1585 (get_file_function_name): Remove prototype.
1587 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1589 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1590 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1592 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1593 Call dsymutil when compiling and linking one or more source files
1596 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1599 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1601 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1603 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1604 inline static functions in c99 mode.
1607 * doc/extend.texi (Inline): Update.
1608 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1609 * c-decl.c (current_extern_inline): Delete.
1610 (pop_scope): Adjust test for an undefined nested function.
1611 Add warning about undeclared inline function.
1612 (diagnose_mismatched_decls): Update comments. Disallow overriding
1613 of inline functions in a translation unit in C99. Allow inline
1614 declarations in C99 at any time.
1615 (merge_decls): Boolize variables. Handle C99 'extern inline'
1617 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1618 C99 inline semantics.
1619 (start_function): Don't clear current_extern_inline. Don't set
1621 (c_push_function_context): Don't push current_extern_inline.
1622 (c_pop_function_context): Don't restore current_extern_inline.
1625 * c-typeck.c (build_external_ref): Warn about static variables
1626 used in extern inline functions.
1627 * c-decl.c (start_decl): Warn about static variables declared
1628 in extern inline functions.
1630 2006-10-31 Roger Sayle <roger@eyesopen.com>
1633 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1634 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1635 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1636 or y is an even integer.
1638 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1641 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1642 * gthr-posix95.h (__gthread_active_p): Likewise.
1644 2006-10-31 Richard Guenther <rguenther@suse.de>
1646 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1647 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1648 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1649 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1650 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1651 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1652 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1653 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1656 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1658 * opts.c (decode_options): Disable CSE skip blocks.
1660 2006-10-30 Dirk Mueller <dmueller@suse.de>
1662 * c-common.h (strict_aliasing_warning): Fix whitespace.
1663 * c-decl (start_function): Move code for main decl warning ..
1664 * c-common.c (check_main_parameter_types): .. here.
1665 * c-common.h (check_main_parameter_types): Declare.
1667 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1670 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1672 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1674 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1675 be a PARALLEL containing sets. Return false when out_pat is not
1678 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1680 * config/mips/mips.md (mul<mode>3): Split into...
1681 (mulsi3, muldi3): ...these separate patterns.
1683 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1685 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1686 but with each set of options separated by spaces.
1688 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1690 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1691 dwarf_reg_size_table has been initialized.
1693 2006-10-30 Roger Sayle <roger@eyesopen.com>
1695 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1696 * ddg.c (print_ddg_edge): Likewise.
1697 * dwarf2out.c (prune_unused_types_walk): Likewise.
1698 * ifcvt.c (noce_try_cmove_arith): Likewise.
1699 * langhooks.c (add_builtin_function): Likewise.
1700 * reg-stack.c (subst_stack_regs_pat): Likewise.
1701 * tree.c (expanded_location): Likewise.
1702 * tree-dump.c (dequeue_and_dump): Likewise.
1704 2006-10-30 David Daney <ddaney@avtrex.com>
1706 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1708 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1710 PR tree-optimization/29637
1711 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1712 of the innertype is the innertype itself.
1714 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1716 * dwarf2out.c (file_name_acquire): Correct typo.
1718 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1720 * tree.h (tree_value_handle): Remove struct value_set declaration.
1721 Change value_set to bitmap_set.
1722 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1723 * tree-vn.c (get_value_handle): Made inline and moved to
1725 * tree-flow-inline.h: (has_stmt_ann): New function.
1726 * tree-ssa-pre.c (expressions): New variable.
1727 (next_expression_id): Ditto.
1728 (alloc_expression_id): New function.
1729 (struct value_set): Remove.
1730 (get_expression_id): New function.
1731 (get_or_alloc_expression_id): Ditto.
1732 (expression_for_id): Ditto.
1733 (clear_expression_ids): Ditto.
1734 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1735 (bb_value_sets): Renamed to bb_bitmap_sets.
1736 All value sets replaced with bitmap_sets.
1738 (BB_VISITED): New macro.
1739 (postorder): New variable.
1740 (add_to_value): Removed.
1741 (value_exists_in_set_bitmap): Ditto.
1742 (value_insert_into_set_bitmap): Ditto.
1745 (set_remove): Ditto.
1746 (set_contains_value): Ditto.
1747 (insert_into_set): Ditto.
1749 (find_leader): Ditto.
1750 (bitmap_set_subtract_from_value_set): Ditto.
1751 (value_insert_into_set): Ditto.
1752 (print_value_set): Ditto.
1753 (debug_value_set): Ditto.
1754 (constant_expr_p): New function.
1755 (bitmap_remove_from_set): Ditto.
1756 (bitmap_insert_into_set): Ditto.
1757 (bitmap_set_free): Ditto.
1758 (vh_compare): Ditto.
1759 (sorted_array_from_bitmap_set): Ditto.
1760 (bitmap_set_subtract): Ditto.
1761 (bitmap_set_equal): Ditto.
1762 (debug_bitmap_set): Ditto.
1763 (find_leader_in_sets): Ditto.
1764 (bitmap_set_replace_value): Modify for bitmapped sets.
1765 (phi_translate): Ditto.
1766 (phi_translate_set): Ditto.
1767 (bitmap_find_leader): Ditto.
1768 (valid_in_sets): Ditto.
1769 (union_contains_value): Ditto.
1771 (compute_antic_aux): Ditto. Mark changed blocks.
1772 (compute_antic): Ditto. Iterate in postorder and only over
1774 (compute_rvuse_and_antic_safe): Reuse postorder.
1775 (create_component_ref_by_pieces): Modify for bitmapped sets.
1776 (find_or_generate_expression): Ditto.
1777 (create_expression_by_pieces): Ditto.
1778 (insert_into_preds_of_block): Ditto.
1779 (changed_blocks): New variable.
1780 (do_regular_insertion): Broken out from insert_aux.
1781 (insert_aux): Modified for bitmapped sets.
1782 (find_existing_value_expr): New function.
1783 (create_value_expr_from): Use it.
1784 (insert_extra_phis): Removed.
1785 (print_bitmap_set): Renamed from bitmap_print_value_set.
1786 (compute_avail): Handle RETURN_EXPR.
1787 (init_pre): Modify for bitmapped sets.
1788 * tree-flow.h (has_stmt_ann): New function.
1790 2006-10-29 Roger Sayle <roger@eyesopen.com>
1792 * builtins.c (fold_builtin_floor): Check for the availability of
1793 the C99 trunc function before transforming floor into trunc.
1795 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1797 * builtins.c (fold_builtin_hypot): Rearrange recursive
1798 transformation before others, and also do ABS_EXPR. When
1799 necessary, check flag_unsafe_math_optimizations. When necessary,
1802 2006-10-29 Roger Sayle <roger@eyesopen.com>
1804 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1805 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1806 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1807 Fold -X eq/ne -Y as X eq/ne Y.
1809 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1811 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1812 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1813 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1814 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1815 Use an inclusive test for "mult" rather than "mul".
1816 (rotr<mode>3): Depend on ISA_HAS_ROR.
1817 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1819 (GENERATE_MULT3_DI): Delete.
1820 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1821 (ISA_HAS_MUL3): New macro.
1822 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1823 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1824 (ISA_HAS_CLZ_CLO): Likewise.
1825 (ISA_HAS_DCLZ_DCLO): Delete.
1826 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1827 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1828 the VR4120 and VR4130.
1829 (ISA_HAS_MACCHI): Use consistent formatting.
1830 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1831 (ISA_HAS_ROR): ...this new macro.
1832 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1833 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1834 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1836 2006-10-29 Roger Sayle <roger@eyesopen.com>
1838 PR tree-optimization/15458
1839 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1842 2006-10-29 Richard Guenther <rguenther@suse.de>
1844 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1845 (ix86_expand_truncdf_32): Likewise.
1846 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1847 trunc inline for SSE math and -fno-trapping-math and if not
1848 optimizing for size.
1849 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1850 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1851 for expanding btrunc inline for SSE math.
1853 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1855 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1856 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1857 i[34567]86-*-solaris2.1[0-9]*.
1858 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1859 Define conditionally depending on TARGET_64BIT_DEFAULT.
1860 (SPEC_32, SPEC_64): Define.
1861 (LINK_SPEC): Use them.
1862 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1864 2006-10-29 Richard Guenther <rguenther@suse.de>
1866 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1867 (ix86_expand_rounddf_32): Likewise.
1868 * config/i386/i386.c (ix86_expand_round): New function expanding
1869 round inline for SSE math and -fno-trapping-math and if not
1870 optimizing for size.
1871 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1872 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1873 round via ix86_expand_round.
1875 2006-10-29 Richard Guenther <rguenther@suse.de>
1877 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1878 (ix86_expand_floorceildf_32): Likewise.
1879 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1880 static helper function.
1881 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1883 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1884 * config/i386/i386.md (floordf2): Adjust to enable floor
1885 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1886 -fno-trapping-math is enabled and if not optimizing for size.
1887 (floorsf2, ceildf2, ceilsf2): Likewise.
1888 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1889 (sse2_maskcmpdf3): Likewise.
1891 2006-10-29 Richard Guenther <rguenther@suse.de>
1893 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1894 rint in case -fno-trapping-math is enabled.
1895 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1896 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1897 (ix86_expand_sse_fabs): Likewise.
1898 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1899 * config/i386/i386.md (rintdf2): Enable for SSE math if
1900 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1901 (rintsf2): Likewise.
1903 2006-10-29 Richard Guenther <rguenther@suse.de>
1905 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1906 to conversion optabs.
1907 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1908 as conversion optab.
1909 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1910 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1911 (lfloor_optab, lceil_optab): Adjust defines.
1912 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1913 lfloor and lceil optabs now being conversion optabs.
1914 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1915 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1916 New static helper function.
1917 (ix86_expand_lfloorceil): New function to expand lfloor and
1919 * config/i386/i386.md (lfloor<mode>2): Split into ...
1920 (lfloorxf<mode>2): ... x87 variant
1921 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1922 using ix86_expand_lfloorceil.
1923 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1925 * doc/md.texi (lfloorMN, lceilMN): Document.
1927 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1929 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1930 -mno-shared assembler option on mips targets.
1931 * configure, config.in: Regenerate.
1932 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1933 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1934 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1936 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1938 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1939 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1941 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1943 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1944 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1947 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1950 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1951 (fold_builtin_pow): Evaluate constant arguments at compile-time
1953 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1954 (do_mpfr_ckconv): New helper function.
1955 (do_mpfr_arg1): Use do_mpfr_ckconv.
1956 (do_mpfr_arg2): New.
1958 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1961 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1962 (-fdump-rtl-sched): Rename to ..
1963 (-fdump-rtl-sched1): here. Also fix file extension number.
1965 2006-10-28 Richard Guenther <rguenther@suse.de>
1967 * fold-const.c (maybe_canonicalize_comparison): Fix code
1970 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1972 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1973 (NON_QI_REG_P): Use IN_RANGE.
1974 (REX_INT_REGNO_P): Use IN_RANGE.
1975 (FP_REGNO_P): Use IN_RANGE.
1976 (SSE_REGNO_P): Use IN_RANGE.
1977 (REX_SSE_REGNO_P): Use IN_RANGE.
1978 (MMX_REGNO_P): Use IN_RANGE.
1979 (STACK_REGNO_P): New macro.
1980 (STACK_REG_P): Use STACK_REGNO_P.
1981 (NON_STACK_REG_P): Use STACK_REGNO_P.
1982 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1983 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1984 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1985 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1986 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1988 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1990 * except.h (output_function_exception_table): Add 'const char*' param.
1991 * except.c (switch_to_exception_section): Add 'const char*' param.
1992 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1993 and flag_function_sections is set, use a function-specific section.
1994 (output_function_exception_table): Add 'const char*' param.
1995 Adjust call to switch_to_exception_section.
1996 * final.c (rest_of_handle_final): Adjust calls to
1997 output_function_exception_table.
1998 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1999 * config.in: Regenerate.
2000 * configure: Likewise.
2002 2006-10-28 Richard Guenther <rguenther@suse.de>
2005 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2006 for maybe_canonicalize_comparison.
2007 (maybe_canonicalize_comparison): New function for canonicalizing
2009 (fold_comparison): Call it to canonicalize comparisons with
2012 2006-10-28 Richard Guenther <rguenther@suse.de>
2015 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2016 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2017 (expand_builtin): Adjust likewise.
2018 * genopinit.c (optabs[]): Add lround optab.
2019 * optabs.c (init_optabs): Initialize lround_optab.
2020 * optabs.h (enum convert_optab_index): Add COI_lround.
2021 (lround_optab): Define.
2022 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2023 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2025 (ix86_expand_lround): New function.
2026 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2028 * doc/md.texi (lroundMN2): Document.
2030 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2033 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2034 argument to HOST_WIDE_INT. Update function prototype.
2035 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2036 "size" argument to HOST_WIDE_INT. Update function prototype.
2038 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2040 * config/i386/i386.c (output_387_ffreep): Create output from a
2041 template string for !HAVE_AS_IX86_FFREEP.
2043 2006-10-27 Eric Christopher <echristo@apple.com>
2045 * config/darwin.c: Fix formatting and grammar.
2047 2006-10-27 Jan Hubicka <jh@suse.cz>
2049 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2050 to be thrown away soon when IGNORE is set.
2051 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2052 indicating when return value shall not be computed.
2053 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2055 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2057 * config/i386/i386.h (TARGET_GEODE):
2058 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2059 (TARGET_CPU_DEFAULT_geode): New macro.
2060 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2061 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2062 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2063 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2064 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2066 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2067 (processor_type): Add PROCESSOR_GEODE.
2069 * config/i386/i386.md: Include geode.md.
2072 * config/i386/i386.c (geode_cost): New initialized global
2074 (m_GEODE, m_K6_GEODE): New macros.
2075 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2076 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2077 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2078 x86_schedule): Use m_K6_GEODE instead of m_K6.
2079 (x86_movx, x86_cmove): Set up m_GEODE.
2080 (x86_integer_DFmode_moves): Clear m_GEODE.
2081 (processor_target_table): Add entry for geode.
2082 (processor_alias_table): Ditto.
2084 * config/i386/geode.md: New file.
2086 * doc/invoke.texi: Add entry about geode processor.
2088 2006-10-27 Mike Stump <mrs@apple.com>
2090 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2091 __DYNAMIC__ from here back to ...
2092 * config/darwin.h (CPP_SPEC): ... here.
2094 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2095 Nathan Sidwell <nathan@codesourcery.com>
2097 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2098 when choosing the minimum heapsize.
2100 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2102 * gcc/unwind-dw2.h: Move cfa-related variables into
2103 struct frame_state_reg_info to ensure that the CFA is properly
2104 handled when executing DW_CFA_{remember,restore}_state.
2105 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2106 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2107 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2108 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2109 gcc/config/rs6000/linux-unwind.h,
2110 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2111 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2112 Modify to use new cfa_* fields.
2114 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2116 * config/s390/s390.c (s390_init_frame_layout): Check positive
2119 2006-10-26 Ben Elliston <bje@au.ibm.com>
2121 * gimplify.c (get_name): Remove extraneous break.
2122 (gimplify_omp_for): Initialise ret with GS_OK.
2124 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2126 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2127 Add unix98.o to link line.
2129 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2132 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2133 Calculate compile-time constants using MPFR.
2134 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2135 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2137 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2139 * config/xtensa/lib2funcs.S: Use C-style comments.
2141 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2143 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2144 (file_table_relative_p): Likewise.
2145 (dwarf2out_finish): Likewise.
2146 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2148 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2150 * tree-ssa-structalias.c (intra_create_variable_infos):
2151 Don't recreate nonlocal_all if it already exists.
2153 2006-10-25 Richard Guenther <rguenther@suse.de>
2156 * optabs.h (enum optab_index): Remove OTI_lrint.
2157 (enum convert_optab_index): Add COI_lrint.
2158 (lrint_optab): Adjust.
2159 (expand_sfix_optab): Declare.
2160 * optabs.c (expand_sfix_optab): New function.
2161 (init_optabs): Init lrint_optab as conversion optab.
2162 * genopinit.c (lrint_optab): Change to a conversion optab.
2163 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2164 expansion via conversion optab.
2165 * config/i386/i386.md (*fistdi2_1): Remove
2166 flag_unsafe_math_optimizations guard.
2167 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2168 fist<mode>2_with_temp): Likewise.
2169 (lrint<mode>2): Split into...
2170 (lrintxf<mode>2): ... x87 part
2171 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2172 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2173 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2174 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2175 * doc/md.texi (lrintMN2): Document.
2177 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2180 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2181 Use inc and dec instructions for TARGET_USE_INCDEC.
2182 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2183 ("sync_double_compare_and_swap<mode>"): Likewise.
2184 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2185 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2186 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2187 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2188 ("sync_old_add<mode>"): Likewise.
2189 ("sync_lock_test_and_set<mode>"): Likewise.
2190 ("sync_lock_test_and_set<mode>"): Likewise.
2191 ("sync_add<mode>"): Likewise.
2192 ("sync_sub<mode>"): Likewise.
2193 ("sync_ior<mode>"): Likewise.
2194 ("sync_and<mode>"): Likewise.
2195 ("sync_xor<mode>"): Likewise.
2197 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2199 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2200 (remainder_optab): Define corresponding macro.
2201 (drem_optab): Remove.
2202 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2203 drem_optab initialization.
2204 * genopinit.c (optabs): Implement remainder_optab using
2205 remainder?f3 patterns. Remove drem_optab.
2206 * builtins.c (expand_builtin_mathfn_2): Handle
2207 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2208 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2209 expand_builtin_mathfn_2.
2211 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2212 depend on flag_unsafe_math_optimizations.
2214 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2215 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2216 Do not depend on flag_unsafe_math_optimizations. Use
2217 truncxf?f expander instead of truncxf?f_i387_noop.
2219 ("fpremxf4", "fprem1xf4"): Do not depend on
2220 flag_unsafe_math_optimizations.
2221 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2222 flag_unsafe_math_optimizations. Use truncxf?f expander
2223 instead of truncxf?f_i387_noop.
2225 * doc/md.texi (fmod, remainder): Document standard named pattern.
2227 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2228 David Daney <ddaney@avtrex.com>
2231 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2233 2006-10-25 Ben Elliston <bje@au.ibm.com>
2235 * doc/extend.texi (Variable Attributes): Typo fix.
2237 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2239 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2240 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2241 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2242 (FRAME_POINTER_REGNUM): Update register number to 21.
2243 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2244 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2246 * config/i386/i386.c (regclass_map): Add fpcr entry.
2247 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2249 (print_reg): Assert REGNO (x) != FPCR_REG.
2251 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2252 (DIRFLAG_REG): Renumber.
2253 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2254 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2255 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2256 hardcoded SSE register numbers.
2258 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2259 hardcoded MMX register numbers.
2261 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2265 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2267 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2268 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2269 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2270 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2272 2006-10-24 Richard Guenther <rguenther@suse.de>
2275 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2276 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2277 for deciding optimizations in consistency with fold-const.c
2278 (fold_builtin_unordered_cmp): Likewise.
2280 2006-10-24 Richard Guenther <rguenther@suse.de>
2282 * builtins.c (fold_builtin_floor): Fold floor (x) where
2283 x is nonnegative to trunc (x).
2284 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2285 nonnegative to FIX_TRUNC_EXPR.
2287 2006-10-24 Richard Guenther <rguenther@suse.de>
2289 PR tree-optimization/29567
2290 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2291 for TRUTH_NOT_EXPR. Clarify comments.
2293 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2297 at compile-time using MPFR. Change parameter VALUE to FUNC,
2299 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2300 for overflow and underflow at all times and avoid folding in
2303 2006-10-24 Ben Elliston <bje@au.ibm.com>
2305 * reload1.c: Formatting fixes.
2307 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR tree-optimization/14784
2310 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2311 * tree-ssa-structalias.c (get_constraint_for,
2312 intra_create_variable_infos): Set is_heapvar.
2313 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2314 non-heapvar pointer variables specially.
2316 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2320 fold_builtin_tan): Fold all constant arguments. Take a "type"
2321 argument as necessary.
2322 (do_mpfr_arg1): New.
2323 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2325 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2327 * config/xtensa/lib1funcs.asm: Use C-style comments.
2329 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2331 * tree.c (local_define_builtin): Replace calls to
2332 lang_hooks.builtin_function with add_builtin_function.
2333 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2335 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2337 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2338 common code to add_builtin_function.
2339 * langhooks.c (add_builtin_function): New function.
2340 (lhd_builtin_function): New function.
2341 * langhooks.h (struct lang_hooks): Change the signature of
2343 (add_builtin_function): New function.
2344 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2345 calls to lang_hooks.builtin_function with add_builtin_function.
2346 * c-common.c (decl_builtin_1): Replace calls to
2347 lang_hooks.builtin_function with add_builtin_function.
2348 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2349 lang_hooks.builtin_function with add_builtin_function.
2350 * config/frv/frv.c (def_builtin): Replace calls to
2351 lang_hooks.builtin_function with add_builtin_function.
2352 * config/s390/s390.c (s390_init_builtins): Replace calls to
2353 lang_hooks.builtin_function with add_builtin_function.
2354 * config/sparc/sparc.c (def_builtin): Replace calls to
2355 lang_hooks.builtin_function with add_builtin_function.
2356 * config/i386/i386.c (def_builtin): Replace calls to
2357 lang_hooks.builtin_function with add_builtin_function.
2358 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2359 lang_hooks.builtin_function with add_builtin_function.
2360 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2361 lang_hooks.builtin_function with add_builtin_function.
2362 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2363 Replace calls to lang_hooks.builtin_function with
2364 add_builtin_function.
2365 * config/iq2000/iq2000.c (def_builtin):
2366 Replace calls to lang_hooks.builtin_function with
2367 add_builtin_function.
2368 * config/ia64/ia64.c (def_builtin): Replace calls to
2369 lang_hooks.builtin_function with add_builtin_function.
2370 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2371 lang_hooks.builtin_function with add_builtin_function.
2372 (altivec_init_builtins): Replace calls to
2373 lang_hooks.builtin_function with add_builtin_function.
2374 * config/arm/arm.c (def_mbuiltin): Replace calls to
2375 lang_hooks.builtin_function with add_builtin_function.
2376 (arm_init_tls_builtins): Replace calls to
2377 lang_hooks.builtin_function with add_builtin_function.
2378 * config/mips/mips.c (mips_init_builtins): Replace calls to
2379 lang_hooks.builtin_function with add_builtin_function.
2380 * config/bfin/bfin.c (def_builtin): Replace calls to
2381 lang_hooks.builtin_function with add_builtin_function.
2382 * langhooks-def.h (lhd_builtin_function): New function.
2383 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2385 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2387 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2388 BUILT_IN_STRNCAT_CHK.
2390 2006-10-23 Jan Hubicka <jh@suse.cz>
2392 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2393 don't do conversion from memmove to memcpy here.
2394 (expand_builtin_bcopy, expand_builtin): Update call of
2395 expand_builtin_memmove.
2396 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2398 2006-10-23 Paul Brook <paul@codesourcery.com>
2400 * stor-layout.c (start_record_layout): maximum_field_alignment
2401 overrides STRUCTURE_SIZE_BOUNDARY.
2403 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2405 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2406 nonlocal function symbols if flag_pic.
2408 2006-10-23 Richard Guenther <rguenther@suse.de>
2412 * builtins.c (fold_binary): Remove checks for flag_wrapv
2413 and flag_trapv where negate_expr_p covers these cases.
2415 2006-10-23 Richard Guenther <rguenther@suse.de>
2418 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2419 of two on the absolute value.
2420 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2421 and negating -C does not overflow.
2423 2006-10-23 Richard Guenther <rguenther@suse.de>
2426 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2427 only if not flag_rounding_math.
2429 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2430 Kaz Kojima <kkojima@gcc.gnu.org>
2433 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2434 SImode memory reference for the source of a movua.
2435 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2436 (movua): Use an unspec instead of sign_extract. Expect the source
2437 to have mode BLKmode.
2438 (extv, insv): Use a BLKmode rather than SImode memory reference
2439 for the source of a movua.
2441 2006-10-22 Jeff Law <law@redhat.com>
2442 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/15911
2445 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2446 (register_edge_assert_for_1): Likewise.
2447 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2448 (find_conditional_asserts): Adjust for new function signature.
2449 (find_assert_locations): Likewise.
2451 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2453 * config/i386/tmmintrin.h: Remove the duplicated content.
2455 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2457 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2458 (x86_64-*-*): Likewise.
2460 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2461 (override_options): Check SSSE3.
2462 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2463 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2464 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2465 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2466 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2467 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2468 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2469 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2470 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2471 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2472 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2473 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2474 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2475 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2476 IX86_BUILTIN_PABSD128.
2477 (bdesc_2arg): Add SSSE3.
2478 (bdesc_1arg): Likewise.
2479 (ix86_init_mmx_sse_builtins): Support SSSE3.
2480 (ix86_expand_builtin): Likewise.
2481 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2483 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2484 (UNSPEC_PSIGN): Likewise.
2485 (UNSPEC_PALIGNR): Likewise.
2486 Include mmx.md before sse.md.
2488 * config/i386/i386.opt: Add -mssse3.
2490 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2491 (ssse3_phaddwv4hi3): Likewise.
2492 (ssse3_phadddv4si3): Likewise.
2493 (ssse3_phadddv2si3): Likewise.
2494 (ssse3_phaddswv8hi3): Likewise.
2495 (ssse3_phaddswv4hi3): Likewise.
2496 (ssse3_phsubwv8hi3): Likewise.
2497 (ssse3_phsubwv4hi3): Likewise.
2498 (ssse3_phsubdv4si3): Likewise.
2499 (ssse3_phsubdv2si3): Likewise.
2500 (ssse3_phsubswv8hi3): Likewise.
2501 (ssse3_phsubswv4hi3): Likewise.
2502 (ssse3_pmaddubswv8hi3): Likewise.
2503 (ssse3_pmaddubswv4hi3): Likewise.
2504 (ssse3_pmulhrswv8hi3): Likewise.
2505 (ssse3_pmulhrswv4hi3): Likewise.
2506 (ssse3_pshufbv16qi3): Likewise.
2507 (ssse3_pshufbv8qi3): Likewise.
2508 (ssse3_psign<mode>3): Likewise.
2509 (ssse3_psign<mode>3): Likewise.
2510 (ssse3_palignrti): Likewise.
2511 (ssse3_palignrdi): Likewise.
2512 (abs<mode>2): Likewise.
2513 (abs<mode>2): Likewise.
2515 * config/i386/tmmintrin.h: New file.
2517 * doc/extend.texi: Document SSSE3 built-in functions.
2519 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2521 2006-10-22 Ira Rosen <irar@il.ibm.com>
2523 * tree-vect-transform.c (vectorizable_load): Use the type of the
2524 return value of the mask_for_load builtin to create realign_load
2527 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2529 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2532 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2534 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2535 (UNSPEC_LDDQU): This.
2536 * config/i386/sse.md (sse3_lddqu): Updated.
2538 2006-10-21 Richard Guenther <rguenther@suse.de>
2540 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2541 (expand_builtin): Use it to expand lrint instead of
2542 expand_builtin_mathfn.
2544 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2547 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2548 flag_unsafe_math_optimizations is set.
2550 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2553 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2554 patterns to use memory input operand in x87->mem->XMM
2555 reload sequences. Skip transformation for TARGET_K8.
2557 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2559 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2560 force operand1 to register if both operands are memory operands.
2561 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2562 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2563 if both operands are memory operands.
2564 (truncdfsf2): Do not force operand1 to register if both operands
2565 are memory operands.
2567 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * Makefile.in (LIBS): Add $(GMPLIBS).
2570 * doc/install.texi: Update GMP and MPFR requirements.
2571 * doc/sourcebuild.texi (need_gmp): Delete.
2573 2006-10-21 Richard Guenther <rguenther@suse.de>
2575 PR tree-optimization/3511
2576 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2577 got new invariant arguments during PHI translation.
2579 2006-10-21 Richard Guenther <rguenther@suse.de>
2582 * fold-const.c (fold_comparison): Fold signed comparisons
2583 of the form X +- C1 CMP Y +- C2.
2585 2006-10-21 Richard Guenther <rguenther@suse.de>
2588 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2589 if flag_unsafe_math_optimizations is specified. We have
2590 flag_finite_math_only for that.
2591 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2592 or flag_unsafe_math_optimizations.
2594 2006-10-21 Richard Guenther <rguenther@suse.de>
2596 * builtins.c (fold_builtin_classify): Fix typo.
2598 2006-10-21 Richard Guenther <rguenther@suse.de>
2601 * simplify-rtx.c (simplify_const_relational_operation):
2602 Do not constant-fold ORDERED and UNORDERED for
2603 flag_unsafe_math_optimizations but only we do not need to
2604 honor NaNs for the given mode.
2606 2006-10-21 Richard Guenther <rguenther@suse.de>
2609 * config/i386/i386.c (classify_argument): Remove redundant
2610 walking of the BINFOs.
2611 (contains_128bit_aligned_vector_p): Likewise.
2613 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2615 * BASE-VER: Set to 4.3.0.
2617 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2619 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2620 (tree_decl_with_vis): Remove artificial_pta_var flag.
2621 * tree-flow.h (referenced_var_check_and_insert): Expose.
2622 (nonlocal_all): New prototype.
2623 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2624 (nonlocal_all): Make global.
2625 (nonlocal_lookup): Remove.
2626 (nonlocal_insert): Ditto.
2627 (create_nonlocal_var): Do not call nonlocal_insert.
2628 (get_nonlocal_id_for_type): Remove.
2629 (find_global_initializers): Mark new vars we find for renaming.
2630 (intra_create_variable_infos): Only create one nonlocal.
2631 (expand_nonlocal_solutions): Remove.
2632 (compute_points_to_sets): Don't call it.
2633 (ipa_pta_execute): Ditto.
2634 (init_alias_heapvars): Don't create nonlocal_for_type.
2635 (delete_alias_heapvars): Don't remove it.
2636 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2639 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2641 * doc/install.texi (Downloading GCC): Clarify mention of
2642 Fortran in the "full distribution" description.
2644 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2646 Fix PR tree-optimization/28778
2647 Fix PR tree-optimization/29156
2648 Fix PR tree-optimization/29415
2649 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2650 (tree_decl_with_vis): Add artificial_pta_var flag.
2651 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2652 pushed into callers.
2653 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2654 (nonlocal_all): Ditto.
2655 (struct variable_info): Add directly_dereferenced member.
2656 (var_escaped_vars): New variable.
2657 (escaped_vars_tree): Ditto.
2658 (escaped_vars_id): Ditto.
2659 (nonlocal_vars_id): Ditto.
2660 (new_var_info): Set directly_dereferenced.
2661 (graph_size): New variable
2662 (build_constraint_graph): Use graph_size.
2663 (solve_graph): Don't process constraints that cannot change the
2664 solution, don't try to propagate an empty solution to our
2666 (process_constraint): Set directly_dereferenced.
2667 (could_have_pointers): New function.
2668 (get_constraint_for_component_ref): Don't process STRING_CST.
2669 (nonlocal_lookup): New function.
2670 (nonlocal_insert): Ditto.
2671 (create_nonlocal_var): Ditto.
2672 (get_nonlocal_id_for_type): Ditto.
2673 (get_constraint_for): Allow results vector to be empty in the case
2674 of string constants.
2675 Handle results of calls properly.
2676 (update_alias_info): Update alias info stats on number and type of
2678 (find_func_aliases): Use could_have_pointers.
2679 (make_constraint_from_escaped): Renamed from
2680 make_constraint_to_anything, and changed to make constraints from
2682 (make_constraint_to_escaped): New function.
2683 (find_global_initializers): Ditto.
2684 (create_variable_info_for): Make constraint from escaped to any
2685 global variable, and from any global variable to the set of
2687 (intra_create_variable_infos): Deal with escaped instead of
2688 pointing to anything.
2689 (set_uids_in_ptset): Do type pruning on directly dereferenced
2691 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2692 (init_base_vars): Fix comment, and initialize escaped_vars.
2693 (need_to_solve): Removed.
2694 (find_escape_constraints): New function.
2695 (expand_nonlocal_solutions): Ditto.
2696 (compute_points_to_sets): Call find_escape_constraints and
2697 expand_nonlocal_solutions.
2698 (delete_points_to_sets): Don't fall off the end of the graph.
2699 (init_alias_heapvars): Initialize nonlocal_for_type and
2701 (delete_alias_heapvars): Free nonlocal_for_type and null out
2704 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2706 * fold-const.c (add_double): Rename to add_double_with_sign.
2707 Add 'unsigned_p' parameter and take it into account for the overflow.
2708 (mul_double): Rename to mul_double_with_sign.
2709 Add 'unsigned_p' parameter and take it into account for the overflow.
2710 (fold_div_compare): Call add_double_with_sign instead of add_double
2711 and mul_double_with_sign instead of mul_double, passing them the
2712 unsignedness of the type.
2713 * tree.h (add_double): Macroize.
2714 (add_double_with_sign): New prototype.
2715 (mul_double): Macroize.
2716 (mul_double_with_sign): New prototype.
2718 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2720 * config/score/crti.asm: New file.
2721 * config/score/crtn.asm: New file.
2722 * config/score/elf.h: New file.
2723 * config/score/mac.md: New file.
2724 * config/score/misc.md: New file.
2725 * config/score/mul-div.S: New file.
2726 * config/score/predicates.md: New file.
2727 * config/score/score7.md: New file.
2728 * config/score/score.c: New file.
2729 * config/score/score-conv.h: New file.
2730 * config/score/score.h: New file.
2731 * config/score/score.md: New file.
2732 * config/score/score-mdaux.c: New file.
2733 * config/score/score-mdaux.h: New file.
2734 * config/score/score-modes.def: New file.
2735 * config/score/score.opt: New file.
2736 * config/score/score-protos.h: New file.
2737 * config/score/score-version.h: New file.
2738 * config/score/t-score-elf: New file.
2739 * config.gcc: Add score*-*-* configurations(Update before).
2740 * doc/invoke.texi (Score Options): New section.
2741 * doc/md.texi (Score family): New section to document constraints.
2743 2006-10-19 Nick Clifton <nickc@redhat.com>
2745 * config/arm/arm.c: Fix spelling typo.
2747 2006-10-18 Tom Tromey <tromey@redhat.com>
2749 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2751 2006-10-18 Jan Hubicka <jh@suse.cz>
2754 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2757 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2759 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2760 TSI_SAME_STMT, since that's the desired entity.
2762 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2764 * config/s390/contraints.md: New file.
2765 * config/s390/s390-protos.h (s390_mem_constraint,
2766 s390_O_constraint_str, s390_N_constraint_str,
2767 s390_float_const_zero_p): Function prototypes added.
2768 * config/s390/s390.c (s390_extra_constraint_str,
2769 s390_const_double_ok_for_constraint_p,
2770 s390_const_ok_for_constraint_p): Functions removed.
2771 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2772 s390_float_const_zero_p): New functions.
2773 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2774 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2775 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2776 Macro definitions removed.
2777 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2778 s390_extra_constraint_str): Functions removed.
2780 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2781 Richard Sandiford <richard@codesourcery.com>
2784 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2785 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2787 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2789 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2790 (DWARF2_FRAME_REG_OUT): Likewise.
2791 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2792 (DWARF2_FRAME_REG_OUT): Likewise.
2794 2006-10-17 Paul Brook <paul@codesourcery.com>
2796 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2798 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2800 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2801 Standardize on "GNU Fortran" as the official name of the Fortran
2804 2006-10-16 Mike Stump <mrs@apple.com>
2806 * doc/invoke.texi (Darwin Options): Document -mkernel.
2807 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2809 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2810 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2811 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2812 (OS_MISSING_ALTIVEC): Add.
2813 * config/i386/i386.c (override_options): Add
2814 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2815 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2816 -mkernel, -static or -mdynamic-no-pic is given.
2817 (C_COMMON_OVERRIDE_OPTIONS): Add.
2818 * config/darwin.opt (fapple-kext): Add.
2820 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2821 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2823 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2824 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2825 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2826 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2827 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2828 (flag_mkernel): Add.
2829 (flag_apple_kext): Add.
2830 (TARGET_KEXTABI): Add.
2831 * config/darwin.c (darwin_handle_kext_attribute): Add.
2832 (DARWIN_VTABLE_P): Add.
2833 (darwin_binds_local_p): Add partial support for rebinding vtables
2835 (darwin_kextabi_p): Add.
2836 (darwin_override_options): Add.
2837 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2838 (darwin_kextabi_p): Add.
2839 (darwin_override_options): Add.
2840 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2841 __DYNAMIC__ and __STATIC__ here.
2843 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2845 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2846 Added mention of "make pdf" target, and Texinfo requirements for
2849 2006-10-16 DJ Delorie <dj@redhat.com>
2851 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2852 into the GOT in case we need a subreg of the address.
2854 2006-10-16 Richard Guenther <rguenther@suse.de>
2857 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2858 SSE builtin documentation. Document SSE2 builtins.
2860 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2862 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2863 symbol in the output file for non-shared links when -nostdlib or
2864 -nodefaultlibs isn't specified.
2866 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2867 posix thread support.
2869 2006-10-15 Jan Hubicka <jh@suse.cz>
2872 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2873 declared always_inline even when not inlining.
2875 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2876 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2877 Andrew Pinski <pinskia@gmail.com>
2880 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2882 2006-10-15 Jan Hubicka <jh@suse.cz>
2883 Richard Guenther <rguenther@suse.de>
2886 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2887 process_function_and_variable_attributes on all variables, including
2888 those discovered during cgraph construction phase.
2890 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2892 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2894 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2896 * config/i386/athlon.md (athlon_fist): Add fisttp.
2898 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2899 Ian Lance Taylor <ian@airs.com>
2902 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2903 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2906 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2908 * config/score/score.c, config/score/score.h: Fix comment
2911 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2917 2006-10-13 Eric Christopher <echristo@apple.com>
2919 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2921 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2924 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2925 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2926 alignment supported by 32-bit ELF.
2928 2006-10-13 Eric Christopher <echristo@apple.com>
2930 * config/darwin.c (darwin_emit_unwind_label): Strip
2931 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2933 2006-10-13 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/29446
2936 * tree-vrp.c (fix_equivalence_set): Remove.
2937 (extract_range_from_assert): Do not call fix_equivalence_set.
2938 (debug_value_range): Print a newline.
2939 (compare_name_with_value): For equivalence sets with
2940 inconsistent value ranges conservatively bail out.
2941 (compare_names): Likewise.
2943 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2945 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2946 and MPFR for gfortran.
2948 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2950 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2951 alignment supported by 32-bit ELF.
2953 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2957 * c-typeck.c (digest_init): Always allow initializing vectors
2958 that have static storage duration with compound literals.
2959 * tree.c (build_type_attribute_qual_variant): New, based on
2960 build_type_attribute_variant.
2961 (build_type_attribute_variant): Rewrite using the former.
2962 (make_vector_type): Use build_type_attribute_qual_variant to build
2963 type variants. Use type_hash_canon on the others.
2965 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2966 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2968 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2970 2006-10-12 Jan Hubicka <jh@suse.cz>
2973 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2974 current_function_decl is set but current_function_scope is not.
2976 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2978 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2979 emit_insn to emit eh_return_internal instruction.
2980 (eh_return_internal): Explicitly set pc.
2982 2006-10-11 Richard Guenther <rguenther@suse.de>
2984 PR tree-optimization/28230
2985 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2986 to the correct place.
2988 2006-10-11 Richard Guenther <rguenther@suse.de>
2991 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2994 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2996 * configure.ac: Added pdf to "Make-hooks"
2997 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2998 targets and *.pdf file patterns in cleanup targets.
2999 * configure: Regenerated.
3001 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3003 * config/avr/predicates.md: New file.
3004 * config/avr/avr.md: Include it.
3005 (REG_SP): New constant.
3006 (peepholes): Use predicates.
3007 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3008 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3009 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3011 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3013 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3016 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3019 * builtins.c (var_decl_component_p): New function.
3020 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3021 single entry optimization to variables and components thereof.
3023 2006-10-10 Richard Guenther <rguenther@suse.de>
3025 PR rtl-optimization/29323
3026 * except.c (set_nothrow_function_flags): For functions
3027 that do not bind local bail out early.
3029 2006-10-10 Ben Elliston <bje@au.ibm.com>
3031 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3034 2006-10-09 Richard Henderson <rth@redhat.com>
3036 Revert emutls patch.
3038 2006-10-09 Richard Guenther <rguenther@suse.de>
3041 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3044 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3047 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3048 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3049 * configure: Regenerate.
3050 * config.in: Regenerate.
3052 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3054 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3056 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3058 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3059 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3060 Remove stray newline.
3062 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3064 * config/mips/mips.c (mips_classify_symbol): Do not return
3065 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3066 (mips_in_small_data_p): Tweak comments.
3068 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3070 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3072 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3074 * gimplify.c, sched-int.h: Fix comment typos.
3076 * sched-int.h: Fix comment typos.
3078 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3080 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3082 * sched-ebb.c (begin_schedule_ready): Use them.
3083 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3084 add_to_speculative_block, create_check_block_twin, speculate_insn,
3085 fix_jump_move, move_block_after_check): Ditto.
3086 * sched-rgn.c (new_ready): Ditto.
3088 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3090 PR rtl-optimization/29128
3091 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3092 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3093 allow interblock movement of speculation checks.
3095 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3098 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3099 casted to integer type.
3100 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3101 if they are significantly more expensive than [reg + index] ones.
3103 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3105 PR tree-optimization/29330
3106 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3107 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3108 on newly allocated ddrs.
3109 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3110 to VEC (loop_p, heap) pointer.
3111 (compute_data_dependences_for_loop): Adjust caller.
3112 (free_dependence_relations): Free DDR_LOOP_NEST.
3114 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3115 free DEPENDENCE_RELATIONS and DATAREFS.
3118 * builtins.c (expand_builtin_sync_operation,
3119 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3120 Use convert_to_mode to handle promoted arguments.
3122 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3124 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3126 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3128 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3130 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3132 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3133 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3134 Use <modeconstraint> instead of "r" as operand 1 constraint.
3136 2006-10-06 Olivier Hainque <hainque@adacore.com>
3138 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3139 Don't recurse on the pointed-to type.
3140 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3141 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3142 types with components of variable size.
3144 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3146 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3148 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3150 PR tree-optimization/29290
3151 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3155 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3156 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3159 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3160 the number of vector elements fill the rest with zeros.
3162 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3164 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3165 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3168 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3170 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3171 unnamed pattern into subsi3. Use correct constraints/predicates.
3172 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3173 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3175 2006-10-05 Ira Rosen <irar@il.ibm.com>
3177 * doc/loop.texi: Add data references analysis description.
3179 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3181 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3183 2006-10-04 Richard Henderson <rth@redhat.com>
3184 Jakub Jelinek <jakub@redhat.com>
3186 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3187 * builtin-types.def (BT_WORD): Make unsigned.
3188 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3189 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3190 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3191 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3192 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3193 * cgraph.c (decide_is_variable_needed): Look at force_output.
3194 Recurse for emulated tls.
3195 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3196 checks redundant with decide_is_variable_needed.
3197 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3198 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3200 * expr.c (emutls_var_address): New.
3201 (expand_expr_real_1): Expand emulated tls.
3202 (expand_expr_addr_expr_1): Likewise.
3203 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3204 * output.h (emutls_finish): Declare.
3205 * toplev.c (compile_file): Call it.
3206 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3207 address before wrapping in CONST.
3208 * varasm.c (emutls_htab, emutls_object_type): New.
3209 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3210 (get_emutls_object_name, get_emutls_object_type): New.
3211 (get_emutls_init_templ_addr, emutls_decl): New.
3212 (emutls_common_1, emutls_finish): New.
3213 (assemble_variable): When emulating tls, swap decls; generate
3214 constructor for the emutls objects.
3215 (do_assemble_alias): When emulating tls, swap decl and target name.
3216 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3218 * emutls.c: New file.
3219 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3220 tls_object for real tls.
3222 2006-10-04 Zack Weinberg <zackw@panix.com>
3224 Fix bug in constraint-check generator, reported by Rask Ingemann
3226 * genpreds.c (add_constraint): Don't remove anything from the
3228 (write_tm_constrs_h): Detect whether "op" argument is used, and
3229 mark it ARG_UNUSED if it isn't.
3230 (write_insn_const_int_ok_for_constraint): Skip the part of the
3231 expression that would test whether "op" (which is not available
3232 here) is a CONST_INT.
3234 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3237 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3239 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3241 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3242 current Leopard versions.
3243 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3245 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3247 * doc/install.texi: Fix typos.
3249 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3251 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3252 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3253 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3255 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3257 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3258 arg to be struct mach_header_64* instead.
3260 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3263 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3264 side effects after the outer expression's post side effects.
3266 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3268 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3269 comments to reflect actual behavior and relationship between
3270 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3272 * doc/c-tree.texi (Working with declarations): Fix documentation
3273 of FIELD_DECL likewise.
3275 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3278 * doc/extend.texi: Add used variable attribute description.
3280 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3283 * c.opt (Woverride-init): New.
3284 * c-opts.c (c_common_post_options): Default warn_override_init to
3286 * c-typeck.c (add_pending_init, output_init_element): Warn for
3287 overriding initializers without side effects.
3288 * doc/invoke.texi (-Woverride-init): Document.
3291 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3293 PR rtl-optimization/28096
3294 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3295 assignment has already been used as a destination earlier in the block.
3297 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3299 * builtins.c (expand_builtin_setjmp): Delete.
3300 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3301 <BUILT_IN_SETJMP_SETUP>: New case.
3302 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3303 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3304 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3305 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3306 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3307 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3308 (lower_function_body): Initialize it to false. If it is set to true
3309 at the end of the processing, emit the setjmp dispatcher.
3310 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3311 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3312 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3313 on the rhs of the assignment.
3314 (lower_builtin_setjmp): New function.
3315 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3316 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3317 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3318 to detect calls that can go to non-local labels. Use specific
3319 helper to create the abnormal edges associated with them.
3320 <MODIFY_EXPR>: Likewise.
3321 (make_abnormal_goto_edges): New function extracted from...
3322 (make_goto_expr_edges): ...here. Call it for computed gotos.
3323 (simple_goto_p): Minor tweak.
3324 (tree_can_make_abnormal_goto): New predicate.
3325 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3326 (tree_purge_dead_abnormal_call_edges): New function.
3327 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3328 (tree_purge_dead_abnormal_call_edges): Likewise.
3329 (make_abnormal_goto_edges): Likewise.
3330 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3331 Purge all dead abnormal edges if the call was in the last statement.
3332 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3333 (execute_fixup_cfg): If there are non-local labels in the function,
3334 scan the basic blocks and split them at calls that can go to non-local
3335 labels or add missing abnormal call edges. Write down the CFG in the
3337 (pass_fixup_cfg): Remove TODO_dump_func flag.
3338 * unwind-sjlj.c: Poison setjmp.
3339 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3340 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3341 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3342 (DONT_USE_BUILTIN_SETJMP): Document it.
3344 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3347 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3348 to 1 when __ppc64__ is defined.
3349 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3351 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3353 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3355 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3356 * config/ia64/unwind-hpux.c: Delete.
3358 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3360 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3361 on the element before gimplifying it, instead of punting if it is of
3364 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3366 * doc/loop.texi: New file.
3367 * doc/gccint.texi: Reference loop.texi.
3368 * Makefile.in (loop.texi): Add.
3370 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3372 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3374 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3375 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3377 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3379 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3381 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3383 * doc/install.texi: Document required versions of GMP and MPFR.
3385 2006-09-27 Paul Brook <paul@codesourcery.com>
3388 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3390 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3392 * reload1.c (alter_reg): Require the alignment of the stack slot to
3393 be at least reg_max_ref_width bytes.
3394 (scan_paradoxical_subregs): Record the largest width in
3397 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3401 * tree-nested.c (struct nesting_info): Added static_chain_added.
3402 (convert_call_expr): Set static_chain_added when adding static
3403 chain. Handle OMP_PARALLEL and OMP_SECTION.
3405 2006-09-25 Matthias Klose <doko@debian.org>
3407 * doc/invoke.texi: Add missing full stop.
3409 2006-09-25 Richard Henderson <rth@redhat.com>
3411 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3412 before cgraph_function_flags_ready.
3414 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3415 Adam Nemet <anemet@caviumnetworks.com>
3417 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3418 determine_common_wider_type): New functions.
3419 (get_computation_aff): Use them to simplify arithmetic between
3420 UBASE and CBASE if they are shortened from the same type.
3422 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3425 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3426 -2147483647 - 1 instead of 0x80000000.
3428 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3430 * flags.h (HONOR_NANS): Fix typo in comment.
3432 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3434 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3436 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3440 * tree.c (merge_attributes, attribute_list_contained): If both
3441 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3443 * c-typeck.c (comptypes_internal): Don't consider aggregates
3444 in different TUs as compatible if there one set of attributes is
3445 not a subset of the other type's attributes.
3446 (composite_type): Try harder not to create a new aggregate type.
3448 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3450 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3451 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3452 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3453 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3454 than replicating condition above.
3455 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3457 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3458 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3459 the linker by default.
3461 2006-09-22 Mike Stump <mrs@apple.com>
3463 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3466 2006-09-22 Richard Guenther <rguenther@suse.de>
3469 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3470 sort of stack variables stable.
3472 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3475 * explow.c (force_reg): Set REG_POINTER flag according to
3478 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3480 PR tree-optimization/28888
3481 * tree-if-conv.c (combine_blocks): Rewritten.
3482 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3483 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3485 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3487 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3490 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3492 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3494 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3496 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3498 2006-09-21 Roger Sayle <roger@eyesopen.com>
3501 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3502 dw_fde_current_label, to be the start of the function, i.e. the same
3503 value as dw_fde_begin.
3505 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3507 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3508 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3509 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3510 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3511 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3512 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3513 (abs<mode>2, neg<mode>2): Likewise.
3514 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3515 (*mips_abs_ps): New define_insn.
3517 2006-09-20 Josh Conner <jconner@apple.com>
3520 * calls.c (expand_call): Allow reuse of structure return stack
3523 2006-09-20 Paul Brook <paul@codesourcery.com>
3525 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3528 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3530 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3531 clean up terminology.
3533 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3536 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3537 with tablejumps in them.
3539 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3542 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3543 wrap it into TARGET_EXPR.
3545 2006-09-20 Eric Christopher <echristo@apple.com>
3547 * config/i386/i386.c (x86_fisttp): Remove.
3548 * config/i386/i386.h (x86_fisttp): Ditto.
3549 (TARGET_FISTTP): Ditto.
3551 2006-09-19 Eric Christopher <echristo@apple.com>
3553 * doc/tm.texi (OBJC_JBLEN): Describe.
3554 * config/i386/darwin.h (OBJC_JBLEN): Define.
3555 * config/rs6000/darwin.h: Ditto.
3557 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3559 PR rtl-optimization/21299
3560 * reload1.c (reload): Purge invalid ASMs in the final pass.
3562 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3565 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3566 pointers as legitimate constants.
3568 2006-09-19 Paul Brook <paul@codesourcery.com>
3571 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3573 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3575 PR tree-optimization/28887
3576 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3577 component parts from the reference.
3578 (gather_memory_references_ref): Record the reference without the
3579 nonaddressable component parts.
3581 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3584 * c-opts.c (c_common_handle_option): Ignore the -std options
3585 if the input language is assembly.
3587 2006-09-17 Ira Rosen <irar@il.ibm.com>
3590 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3592 (ptr_ptr_may_alias_p): Likewise.
3593 (record_record_differ_p): New function.
3594 (base_object_differ_p): Call record_record_differ_p.
3596 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3599 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3600 away for the expr argument.
3602 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3605 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3606 before using it for dumping after vectorizing loops.
3608 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3609 Jack Howarth <howarth@bromo.med.uc.edu>
3612 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3613 skip on error_mark_node.
3614 (rs6000_darwin64_record_arg_recurse): Likewise.
3616 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3618 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3619 * doc/rtl.texi: Remove related documentation.
3621 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3623 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3626 2006-09-15 Jim Wilson <wilson@specifix.com>
3628 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3629 Handle symbol offsets same as they are handled in ia64_expand_move
3632 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3634 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3635 Add forgotten parameter to the fprintf call.
3637 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3639 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3641 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3643 * doc/contrib.texi: Add my entry.
3645 2006-09-15 Nick Clifton <nickc@redhat.com>
3647 * doc/md.texi (Processor pipeline description): Fix typo in
3648 example of how to use the absence_set directive and reword the
3649 description to make it slightly easier to read.
3651 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3653 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3654 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3655 expanding the number of iterations.
3656 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3658 * cfgrtl.c (emit_insn_at_entry): New function.
3659 * rtl.h (emit_insn_at_entry): Declare it.
3660 * integrate.c (emit_initial_value_sets): Use it.
3662 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3664 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3666 (struct loop_work and related VEC declarations): Delete.
3667 (bfin_dump_loops): Print out new member bad.
3668 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3669 (bfin_scan_loop): Don't recurse.
3670 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3671 loops. No longer need to update outer loops if the current one is
3672 found bad. Move some validitiy checks to bfin_discover_loop.
3673 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3674 but changed not to check for nesting. Also changed to use the new bad
3676 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3677 time. Use bitmap based test to discover loop nesting.
3679 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3681 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3684 2006-09-14 Richard Guenther <rguenther@suse.de>
3685 Kazu Hirata <kazu@codesourcery.com>
3687 PR middle-end/28884.
3688 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3689 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3690 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3691 with TARGET_FUNCTION_VALUE.
3693 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3696 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3698 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3700 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3703 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3706 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3709 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3711 * basic_block.h (bb_has_eh_pred): Fix comment.
3713 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3715 * flow.c (calculate_global_regs_live): Invalidate eh registers
3716 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3717 (propagate_block): Handle eh registers as if they were set at basic
3719 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3721 * global.c (global_conflicts): Make eh registers to conflict with
3722 pseudos live at basic block begin.
3723 * basic_block.h (bb_has_eh_pred): New function.
3725 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3727 PR rtl-optimization/28982
3728 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3729 index of a PRE_MODIFY or POST_MODIFY address.
3730 * reload1.c (inc_for_reload): Use find_replacement on the original
3731 base and index registers.
3733 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3735 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3736 for -Os. Update __m128 alignment requirement.
3738 2006-09-13 Jan Hubicka <jh@suse.cz>
3740 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3742 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3744 PR rtl-optimization/28243
3745 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3746 the insn to which the note was originally attached.
3748 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3749 Roger Sayle <roger@eyesopen.com>
3751 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3752 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3753 on platforms that don't use dwarf for debug info.
3755 2006-09-12 Jason Merrill <jason@redhat.com>
3758 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3759 hard_frame_pointer_rtx after using it to update the frame pointer.
3761 2006-09-12 Roger Sayle <roger@eyesopen.com>
3763 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3764 (TARGET_ASM_CLOSE_PAREN): Likewise.
3765 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3766 (TARGET_ASM_CLOSE_PAREN): Likewise.
3768 2006-09-12 Roger Sayle <roger@eyesopen.com>
3771 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3772 frame information for frames larger than 512 Kbytes on Tru64 when
3773 using the native assembler.
3775 2006-09-12 Roger Sayle <roger@eyesopen.com>
3779 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3780 and symbols. Instead use the implementation from cse.c's hash_rtx.
3782 2006-09-12 Jan Hubicka <jh@suse.cz>
3784 PR rtl-optimization/28071
3785 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3786 (vect_transform_loop): Likewise.
3787 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3788 (new_loop_vec_info): Likewise.
3789 (destroy_loop_vec_info): Likewise.
3790 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3791 (create_stmt_ann): Likewise.
3792 (create_tree_ann): Rename to ...
3793 (create_tree_common_ann): ... this one; allocate only the common part
3795 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3796 (get_value_handle): Likewise.
3797 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3798 get_tree_common_ann.
3799 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3800 (vinfo_for_stmt): Use stmt annotations.
3801 * tree-flow.h (tree_ann_common_t): New type.
3802 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3803 (tree_ann, get_tree_ann, create_tree_ann): New.
3804 * tree-flow-inline.h (get_function_ann): Do more type checking.
3805 (stmt_ann): Likewise.
3806 (tree_ann): Rename to ...
3807 (tree_common_ann): ... this one; return ony common_ann
3808 (get_tree_ann): Rename to ...
3809 (tree_common_ann): This one; return only common_ann.
3810 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3813 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3815 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3816 with_cpu by default.
3818 * dwarf2out.c (dwarf_file_data): New.
3819 (enum dw_val_class): Add dw_val_class_file.
3820 (struct dw_val_struct): Add val_file.
3821 (file_table): Change to a hash table.
3822 (file_table_emitted): Delete.
3823 (file_table_last_lookup_index): Delete.
3824 (emitcount): Delete.
3825 (last_emitted_file): New.
3826 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3827 (init_file_table): Delete.
3828 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3829 (AT_addr): Add comment.
3833 (print_die): Handle dw_val_class_file.
3834 (print_dwarf_line_table): Update for new file table structure.
3835 (attr_checksum): Do checksum a filename.
3836 (same_dw_val_p, same_attr_p): Do compare a filename.
3837 (size_of_die): Handle dw_val_class_file.
3838 (value_format): Likewise.
3839 (output_die): Likewise. Also, call maybe_emit_file here.
3840 (struct file_info): Constify filenames. Make file_idx a pointer
3841 to a struct dwarf_file_data.
3842 (struct dir_info): Constify directory names. Remove 'used' field.
3843 (struct file_name_acquire_data): New.
3844 (file_name_acquire): New.
3845 (output_file_names): Modify to handle new file data structures.
3846 (add_src_coords_attributes): Use add_AT_file.
3847 (add_call_src_coords_attributes): Likewise.
3848 (dwarf2out_imported_module_or_decl): Likewise.
3849 (gen_subprogram_die): Modify for new file data structures.
3850 (gen_variable_die): Likewise.
3851 (file_table_eq): New.
3852 (file_table_hash): New.
3853 (file_table_last_lookup): New.
3854 (lookup_filename): Rewrite to handle new file data structures.
3855 (maybe_emit_file): Rewrite to handle new file data structures.
3856 (dwarf2out_source_line): Always call lookup_filename and
3858 (dwarf2out_init): Create file_table here.
3859 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3860 (file_table_relative_p): New.
3861 (dwarf2out_finish): Change detection of relative filenames
3862 to work with new file data structures. Move output_line_info call
3863 after debug_info output.
3865 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3870 * config/i386/i386.c (override_options): Always default to 16
3871 byte stack boundary.
3873 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3876 * var-tracking.c (dump_dataflow_set): Start dumping at
3878 (clobber_variable_part): Kill only the variable part in
3879 registers holding it, leaving other variables alone.
3881 2006-09-11 Josh Triplett <josh@freedesktop.org>
3883 * doc/extend.texi (Other Builtins): Actually use the macro
3884 argument in the documentation example for
3885 __builtin_types_compatible_p.
3887 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3889 PR rtl-optimization/28726
3890 * sched-deps.c (sched_analyze_reg): New function extracted from...
3891 (sched_analyze_1): ...here. Call it to analyze references to
3892 registers. Treat again writes to a stack register as writing to the
3894 (sched_analyze_2): ...and here. Call it to analyze references to
3895 registers. Treat again reads of a stack register as reading the
3898 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3899 David Edelsohn <edelsohn@gnu.org>
3902 * config/rs6000/spe.md (frob_df_di): Remove %H.
3903 (frob_di_df): Remove %H. Change evmergelo to mr.
3904 (frob_di_df_2): Remove %H. Change evldd to two loads.
3906 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3908 * doc/cpp.texi: Fix names of charset options.
3910 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3913 * config/i386/i386.c (override_options): Use 128-bit
3914 stack boundary always for 64bits.
3916 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3918 PR rtl-optimization/28636
3919 * combine.c (force_to_mode): Test for side-effects before
3920 substituting by zero.
3921 (simplify_shift_const): Likewise for zero or other constants.
3923 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3926 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3929 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3932 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3933 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3934 returned by mode_for_size, rather than the mode of src itself,
3935 to choose between 32-bit and 64-bit patterns.
3936 (mips_mem_fits_mode_p): New function.
3937 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3938 that the size of the source matches the size of the destination.
3939 (mov_<store>l, mov_<store>r): Likewise.
3941 2006-09-10 Eric Christopher <echristo@apple.com>
3943 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3946 2006-09-09 Eric Christopher <echristo@apple.com>
3949 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3952 2006-09-09 Roger Sayle <roger@eyesopen.com>
3953 Nicolas Setton <setton@adacore.com>
3955 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3957 2006-09-10 Andreas Schwab <schwab@suse.de>
3959 * config/m68k/m68k.md (bungt_rev): New pattern.
3961 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3962 Dale Johannesen <dalej@apple.com>
3965 * regclass.c (struct reg_pref): Update documentation.
3966 (regclass): Set prefclass to NO_REGS if memory is the best option.
3967 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3969 2006-09-08 Eric Christopher <echristo@apple.com>
3971 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3972 * config/t-slibgcc-darwin: Support x86_64 multilib.
3973 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3974 Return 1 for x86_64-darwin.
3975 * config/i386/t-darwin: Add m64 multilib.
3976 (LIB2_SIDITI_CONV_FUNCS): Use.
3977 (LIB2FUNCS_EXTRA): Ditto.
3978 * config/i386/darwin.h: Support x86_64.
3979 * config/i386/i386.c (override_options): Turn on flag_pic
3980 for x86_64-darwin. Disable flag_omit_pointer.
3981 (get_pc_thunk_name): Assert !TARGET_64BIT.
3982 (legitimate_address_p): Disable machopic addressing for
3984 (legitimize_pic_address): Ditto.
3985 (ix86_expand_move): Ditto.
3986 (ix86_expand_call): Ditto.
3987 (machopic_output_stub): Ditto.
3988 * config/darwin.c (machopic_select_section): Support literal16.
3989 (machopic_select_rtx_section): Ditto.
3990 * config/darwin-sections.def: Ditto.
3991 * config/darwin-64.c: New.
3993 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3996 * c-tree.h (struct c_arg_info): Add pending_sizes.
3997 * c-parser.c (c_parser_parms_declarator,
3998 c_parser_parms_list_declarator): Initialize pending_sizes.
3999 * c-decl.c (get_parm_info): Initialize pending_sizes.
4000 (get_parm_info): Set pending_sizes.
4001 (grokdeclarator): Call put_pending_sizes for parameters for
4002 function definition only.
4004 2006-09-07 Jason Merrill <jason@redhat.com>
4007 * varasm.c (output_constant): Only strip actual no-op conversions.
4010 * config/i386/i386.c (override_options): Use 128-bit
4011 stack boundary if -msse.
4013 2006-09-07 Eric Christopher <echristo@apple.com>
4015 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4017 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4020 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4022 * dwarf2out.c: Remove strange characters from comment above
4023 dwarf2out_frame_debug_expr.
4025 2006-09-07 Eric Christopher <echristo@apple.com>
4027 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4028 * config/darwin.h: ... to here.
4030 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4032 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4034 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4035 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4037 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4038 TARGET_PARTIAL_FLAG_REG_STALL.
4039 (*ashldi3_cconly_rex64): Likewise.
4040 (*ashlsi3_cmp): Likewise.
4041 (*ashlsi3_cconly): Likewise.
4042 (*ashlsi3_cmp_zext): Likewise.
4043 (*ashlhi3_cmp): Likewise.
4044 (*ashlhi3_cconly): Likewise.
4045 (*ashlqi3_cmp): Likewise.
4046 (*ashlqi3_cconly): Likewise.
4047 (*ashrdi3_cmp_rex64): Likewise.
4048 (*ashrdi3_cconly_rex64): Likewise.
4049 (*ashrsi3_cmp): Likewise.
4050 (*ashrsi3_cconly): Likewise.
4051 (*ashrsi3_cmp_zext): Likewise.
4052 (*ashrhi3_cmp): Likewise.
4053 (*ashrhi3_cconly): Likewise.
4054 (*ashrqi3_cmp): Likewise.
4055 (*ashrqi3_cconly): Likewise.
4056 (*lshrdi3_cmp_rex64): Likewise.
4057 (*lshrdi3_cconly_rex64): Likewise.
4058 (*lshrsi3_cmp): Likewise.
4059 (*lshrsi3_cconly): Likewise.
4060 (*lshrsi3_cmp_zext): Likewise.
4061 (*lshrhi3_cmp): Likewise.
4062 (*lshrhi3_cconly): Likewise.
4063 (*lshrqi2_cmp): Likewise.
4064 (*lshrqi2_cconly): Likewise.
4066 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4069 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4070 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4071 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4072 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4073 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4074 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4075 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4076 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4077 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4078 implement only CC setting effects of shift instructions.
4080 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4082 * doc/contrib.texi: Add myself.
4084 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4087 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4088 was set by the user.
4090 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4093 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4094 (divsi_inv_m1): Use them.
4095 (UNSPEC_DIV_INV_TABLE): New constant.
4097 2006-09-06 James E Wilson <wilson@specifix.com>
4100 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4101 then call count_or_remove_death_notes.
4103 2006-09-06 Jason Merrill <jason@redhat.com>
4106 * tree-inline.c (copy_result_decl_to_var): New fn.
4107 (declare_return_variable): Use it. Call declare_inline_vars here.
4108 (expand_call_inline): Not here.
4110 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4112 * doc/contrib.texi: Update my entry.
4114 2006-09-06 Nick Clifton <nickc@redhat.com>
4116 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4118 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4121 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4122 (canonicalize_induction_variables): Likewise.
4123 (tree_unroll_loops_completely): Likewise.
4124 (tree_ssa_prefetch_arrays): Likewise.
4125 (remove_empty_loops): Likewise.
4126 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4127 TODO_cleanup_cfg instead of directly calling
4128 cleanup_tree_cfg_loop.
4129 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4131 (tree_unroll_loops_completely): Likewise.
4132 (remove_empty_loops): Likewise.
4133 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4134 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4135 of tree_ssa_unswitch_loops.
4136 (tree_ssa_loop_ivcanon): Use the return value of
4137 canonicalize_induction_variables.
4138 (tree_ssa_empty_loop): Use the return value of
4140 (tree_complete_unroll): Use the return value of
4141 tree_unroll_loops_completely.
4142 (tree_ssa_loop_prefetch): Use the return value of
4143 tree_ssa_prefetch_arrays.
4144 * passes.c (execute_todo): Before Cleanup CFG, set
4145 updating_used_alone and after cleanup CFG, call
4146 recalculate_used_alone.
4148 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4151 * tree-vect-transform.c (vectorizable_condition): Move the check
4152 for the type after the check for simple condition.
4154 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4155 Kaz Kojima <kkojima@gcc.gnu.org>
4158 * mode-switching.c (optimize_mode_switching): Make the destination
4159 block of an abnormal edge have no anticipatable mode. Don't
4160 insert mode switching code at the end of the source block of
4163 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4165 PR rtl-optimization/26847
4166 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4167 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4168 (simplify_plus_minus): Count n_constants while filling ops. Replace
4169 qsort with insertion sort. Before going through the array to simplify
4170 pairs, sort it. Delay early exit until after the first sort, exiting
4171 only if no swaps occurred. Simplify pairs in reversed order, without
4172 special-casing the first iteration. Pack ops after simplifying pairs.
4174 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4176 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4177 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4178 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4179 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4181 2006-09-05 Richard Guenther <rguenther@suse.de>
4183 PR tree-optimization/28900
4184 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4185 compound conditional before creating COND_EXPR condition.
4187 2006-09-05 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/28905
4190 * tree-vrp.c (fix_equivalence_set): Manually implement
4191 !value_ranges_intersect_p to also handle symbolic ranges.
4193 2006-09-05 Richard Guenther <rguenther@suse.de>
4196 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4199 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4201 PR rtl-optimization/27616
4202 * cse.c (table_size): New static variable.
4203 (new_basic_block): Initialize it to 0.
4204 (remove_from_table): Decrement it.
4205 (insert): Increment it.
4206 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4207 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4208 fold_rtx_mem_1 if under the cap.
4209 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4210 the lookup of the equivalent expression and test for equality of the
4211 first operand of the equivalent expression before in turn looking up
4212 an equivalent constant for the second operand.
4214 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4217 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4218 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4219 pointer, instead of assuming it is possible to derive the
4220 correct args size from a call insn.
4222 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4225 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4226 (fold_builtin_mempcpy): Rename to...
4227 (fold_builtin_memory_op): ... this. Optimize one element copy
4229 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4231 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4232 (expand_builtin_memcpy, expand_builtin_mempcpy,
4233 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4234 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4235 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4236 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4238 2006-09-01 DJ Delorie <dj@redhat.com>
4240 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4241 (stzx_16): Likewise.
4242 ("stzx_24_<mode>"): Likewise.
4243 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4244 ("cmp<mode>_op"): New.
4245 (cmp<mode>): Change to expander; just save operands.
4247 (b<code>): Change to expander, emit compare here.
4248 (s<code>_op): Change to use split and expander.
4249 (s<code>_24_op): Likewise.
4250 (s<code>_<mode>): New.
4251 (s<code>_<mode>_24): New.
4252 (movqicc_<code>_<mode): New.
4253 (movhicc_<code>_<mode>): New.
4256 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4257 (m32c_pend_compare): New.
4258 (m32c_unpend_compare): New.
4259 (m32c_expand_scc): New.
4260 (m32c_expand_movcc): Emit the compare also.
4261 * config/m32c/predicates.md (mra_nopp_operand): New.
4263 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4264 Richard Guenther <rguenther@suse.de>
4265 Adam Nemet <anemet@caviumnetworks.com>
4268 * builtins.c (get_pointer_alignment): Handle more forms
4269 of base addresses that can be used to derive more precise
4270 information about alignment.
4272 2006-09-01 Jason Merrill <jason@redhat.com>
4275 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4278 * gimplify.c (voidify_wrapper_expr): Handle null type.
4280 2006-09-01 Josh Conner <jconner@apple.com>
4283 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4284 (execute_return_slot_opt): Use it.
4286 2006-08-31 Josh Conner <jconner@apple.com>
4289 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4290 returning aggregates.
4292 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4294 PR tree-optimization/28839
4295 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4296 blocks in that phi arguments appear.
4298 2006-08-31 Roger Sayle <roger@eyesopen.com>
4301 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4302 NULL, otherwise use an advance_loc4 to adjust relative to the
4304 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4305 (dwarf2out_switch_text_section): Reset the current label to avoid
4306 using advance_loc4 over section boundaries.
4308 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4311 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4312 r12 + SYMBOLIC_CONST.
4314 2006-08-30 Richard Guenther <rguenther@suse.de>
4316 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4318 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4320 PR rtl-optimization/27735
4321 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4322 Add new argument to keep track of whether an irreducible region
4323 was affected. All callers changed.
4324 (fix_irreducible_loops): Removed.
4325 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4326 flags were invalidated.
4328 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4330 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4331 instead of SF operands.
4332 (*fop_df_comm_sse): Likewise.
4333 (*fop_df_comm_i387): Likewise.
4334 (*fop_df_1_mixed): Likewise.
4335 (*fop_df_1_sse): Likewise.
4337 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4338 J"orn Rennecke <joern.rennecke@st.com>
4340 PR tree-optimization/17506
4341 * tree-ssa.c (warn_uninit): If warning about a location outside of
4342 the current function, note where the variable was declared.
4344 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4346 PR tree-optimization/28411
4347 * double-int.c (double_int_div): Use double_int_divmod.
4348 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4349 double_int_mod, double_int_smod, double_int_umod): New functions.
4350 * double-int.h (double_int_divmod, double_int_sdivmod,
4351 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4353 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4355 (get_computation_aff, get_computation_cost_at): Handle double_int
4356 return type of constant_multiple_of.
4358 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4361 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4362 an implicit conversion.
4364 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4366 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4368 2006-08-27 Roger Sayle <roger@eyesopen.com>
4370 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4373 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4375 * config/i386/crtfastmath.c: Fix a comment typo.
4377 2006-08-26 Roger Sayle <roger@eyesopen.com>
4379 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4380 temporary visit flags on CASE_LABEL_EXPRs.
4381 * c-common.c (match_case_to_enum): Add function comment. Avoid
4382 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4383 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4384 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4385 a constant, only warn if that constant value isn't handled.
4387 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4390 * input.h (restore_input_file_stack): Declare.
4391 (INPUT_FILE_STACK_BITS): Define.
4392 * toplev.c (fs_p, input_file_stack_history,
4393 input_file_stack_restored, restore_input_file_stack): New.
4394 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4395 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4396 (pop_srcloc): Don't free old state of stack.
4398 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4401 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4402 (PowerPC Type Attributes): New.
4404 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4406 * config/xtensa/xtensa.c (function_arg_boundary): New.
4407 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4409 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4410 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4412 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4415 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4418 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4420 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4421 (verify_local_live_at_start): Likewise.
4423 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4426 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4427 omp_add_variable): Treat sizes as variable whenever not
4430 2006-08-26 Richard Guenther <rguenther@suse.de>
4433 * fold-const.c (fold_binary): Fold temporary to correct
4434 type before constructing new comparison.
4436 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4439 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4440 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4442 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4445 * c-decl.c (start_function): Don't try to process prototype
4446 information from old declaration that isn't a function.
4448 2006-08-25 Jan Hubicka <jh@suse.cz>
4451 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4453 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4456 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4459 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4461 PR tree-optimization/16876
4462 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4463 exit if PARM doesn't match VALUE.
4465 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4467 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4468 literal_prefix directive.
4469 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4470 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4471 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4473 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4476 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4477 predicate to general_operand. Add 0->y and I->r alternatives.
4479 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4481 * doc/tm.texi: Fix a typo.
4482 * predict.c: Fix comment typos.
4484 2006-08-25 Nick Clifton <nickc@redhat.com>
4486 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4487 assertions of "cpu" and "machine".
4489 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4492 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4493 the access through a base which has an alias set of 0 cannot
4496 2006-08-24 Bill Wendling <wendling@apple.com>
4498 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4500 2006-08-24 Jan Hubicka <jh@suse.cz>
4502 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4504 2006-08-24 Jan Hubicka <jh@suse.cz>
4507 * cgraph.c: Fix comments.
4508 (cgraph_varpool_mark_needed_node): Mark only variables not already
4510 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4511 (cgraph_varpool_assembled_nodes_queue): New static variable.
4512 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4513 (cgraph_varpool_output_debug_info): New function.
4514 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4515 * Makefile.in: Add gt-cgraphunit.h
4517 2006-08-24 Jan Hubicka <jh@suse.cz>
4519 * predict.c (probability_reliable_p): New predicate.
4520 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4521 (predict_loops): Do not predict loop exit with less than 2%
4523 * basic-block.h (edge_probability_reliable_p,
4524 br_prob_note_reliable_p): Declare.
4525 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4526 prediction when static predictor is not reliable.
4527 * rs6000.c (output_cbranch): Likewise.
4529 2006-08-23 Stuart Hastings <stuart@apple.com>
4532 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4533 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4535 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4538 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4539 complex values, nor for generic vector values.
4541 2006-08-22 Richard Guenther <rguenther@suse.de>
4544 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4545 parameter. Convert arguments to arithmetic expression to the
4547 (analyze_scalar_evolution_1): Adjust caller.
4549 2006-08-22 Jan Hubicka <jh@suse.cz>
4551 Patch by Paolo Bonzini
4552 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4555 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4557 PR tree-optimization/28003
4558 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4559 before grouping aliases.
4561 2006-08-22 Roger Sayle <roger@eyesopen.com>
4563 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4564 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4566 2006-08-21 Jason Merrill <jason@redhat.com>
4569 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4570 wrapper. Loop to handle nested wrappers.
4571 (gimplify_bind_expr): Remove temp parameter.
4572 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4573 and STATEMENT_LIST on the rhs.
4574 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4575 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4576 (gimplify_target_expr): Remove special BIND_EXPR handling.
4578 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4580 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4583 2006-08-21 Olivier Hainque <hainque@adacore.com>
4585 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4586 Arrange for the temporary captures of components overlapping the lhs
4587 to happen before the lhs is possibly cleared.
4589 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4591 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4592 necessary places to pass the correct "number of registers" values
4595 2006-08-20 Jan Hubicka <jh@suse.cz>
4597 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4598 (create_name_tags): Instead of quadratic checking use hashtable.
4599 * bitmap.h: Include hashtab.h.
4600 (bitmap_hash): Declare.
4601 * bitmap.c (bitmap_hash): New function.
4603 2006-08-20 Jan Hubicka <jh@suse.cz>
4605 PR rtl-optimization/28071
4606 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4608 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4609 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4610 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4611 cgraph_decide_inlining_incrementally): Update use of
4612 cgraph_check_inline_limits.
4613 * cgraph.c (edge_hash, edge_eq): New function.
4614 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4615 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4616 cgraph_remove_node): Maintain call site hash.
4617 * cgraph.h (struct cgraph_node): Add call_site_hash.
4618 (cgraph_set_call_stmt): New function.
4620 2006-08-20 Jan Hubicka <jh@suse.cz>
4622 PR rtl-optimization/28071
4623 * reload1.c (reg_has_output_reload): Turn into regset.
4624 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4625 choose_reload_regs, emit_reload_insns): Update to new
4626 reg_has_output_reload.
4628 2006-08-20 Jan Hubicka <jh@suse.cz>
4631 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4632 function body sizes.
4633 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4635 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4638 * tree.c (handle_dll_attribute): Return early if not a
4639 var or function decl.
4641 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4644 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4645 alignment of SPE vector types.
4647 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4649 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4651 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4654 * cgraph.h (struct cgraph_node): Remove externally_visible
4656 * cgraphunit.c (process_function_and_variable_attributes): Set
4657 local.externally_visible rather than externally_visible.
4660 * c-common.c (handle_externally_visible_attribute): First look
4661 at TREE_CODE and only if it is function or var decl, check for
4662 non-public objects. Don't warn for DECL_EXTERNAL.
4663 * cgraphunit.c (process_function_and_variable_attributes): Warn
4664 if externally_visible attribute is used on non-public object.
4666 2006-08-17 Jan Hubicka <jh@suse.cz>
4668 PR tree-optimization/27865
4669 * reload1.c (forget_marked_reloads): New function.
4670 (forget_old_reloads_1): When data are passed, just mark the registers
4672 (reload_as_needed): Use the new mechanizm.
4674 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4677 * reload.h (reg_equiv_alt_mem_list): New declaration.
4678 * reload1.c (reg_equiv_alt_mem_list): New definition.
4679 (reload): Initialize it and release it.
4680 (delete_output_reload): Use it.
4681 * reload.c (push_reg_equiv_alt_mem): New function.
4682 (find_reloads_toplev): Call it.
4683 (find_reloads_address, find_reloads_address_1): Likewise.
4684 (find_reloads_subreg_address): Likewise.
4686 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4688 PR rtl-optimization/28489
4689 * sched-ebb.c (begin_schedule_ready): Create basic block
4691 (advance_target_bb): Skip empty blocks.
4692 * haifa-sched.c (bb_note): Make global.
4693 * sched-int.h (bb_note): Add prototype.
4695 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4697 PR tree-optimization/27865
4698 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4700 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4701 fold_used_pointer, pointer_used_p): New functions.
4702 (analyze_scalar_evolution_1): Use fold_used_pointer.
4703 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4704 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4707 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4710 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4711 or the INTEGER_CST. Fail on a CALL_EXPR.
4712 (fold_offsetof): Pass new argument to fold_offsetof_1.
4713 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4714 operand into an INDIRECT_REF.
4715 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4717 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4719 PR gcov/profile/26570
4720 * value-prof.c (static_values): Removed.
4721 (tree_find_values_to_profile): Do not set static_values.
4722 (find_values_to_profile): Do not free static_values.
4723 * profile.c (instrument_values): Do not free the values.
4724 (branch_prob): Free the values.
4726 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4728 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4730 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4733 * c-typeck.c (build_component_ref): Combine qualifiers of
4734 structure or union and field.
4736 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4738 PR rtl-optimization/28071
4739 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4740 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4741 * tree-into-ssa.c (struct dom_dfsnum): New.
4742 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4744 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4745 compute_global_livein.
4746 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4747 in phi nodes in the correct blocks.
4749 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4751 PR tree-optimization/28364
4752 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4754 (fold_affine_expr): New function.
4755 (may_eliminate_iv): Use fold_affine_expr.
4757 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4760 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4763 2006-08-16 Mike Stump <mrs@apple.com>
4765 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4766 * doc/cppopts.texi (-MD): Likewise.
4768 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4771 * c-common.c (handle_weak_attribute): Ignore and warn if
4772 not a FUNCTION_ or VAR_DECL.
4774 2006-07-15 Mike Stump <mrs@apple.com>
4777 * c-parser.c (c_parser_typeof_specifier): Don't use
4778 c_finish_expr_stmt, open code desired semantics instead.
4780 2006-08-15 Nick Clifton <nickc@redhat.com>
4782 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4783 fragment to tmake_file only if threads are enabled.
4784 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4785 * config/i386/t-gthr-win32: New file. ... here.
4787 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4790 * c-parser.c (c_parser_compound_statement_nostart): Reset
4791 parser->error after each statement.
4793 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4796 * omp-low.c (lower_omp_parallel): Convert t to
4797 receiver_decl's type.
4798 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4799 source before comparison.
4802 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4803 to itype in assignment to oldival2.
4805 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4809 * c-typeck.c (build_compound_expr): If the second expression
4810 is an error mark, then just return an error mark instead of
4811 creating a COMPOUND_EXPR.
4813 2006-07-14 Mike Stump <mrs@apple.com>
4815 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4817 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4819 * c-decl.c, var-tracking.c: Fix comment typos.
4821 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4823 PR rtl-optimization/28634
4824 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4825 for floating-point modes unless flag_unsafe_math_optimizations.
4827 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4828 Andrew Pinski <pinskia@physics.uc.edu>
4831 * tree.c (build_array_type): Unify array types with
4832 unspecified index_type.
4833 * c-decl.c (grokdeclarator): Make sure we do not modify a
4834 unified incomplete array type.
4835 * c-typeck.c (store_init_value): Create distinct type before
4836 filling in the index type in an initializer from a compound
4839 * c-decl.c (grokdeclarator): Remove code where we copy the
4842 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4844 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4845 into account for TODO_dump_cgraph.
4846 (TODO_update_ssa_no_phi): Likewise.
4847 (TODO_update_ssa_full_phi): Likewise.
4848 (TODO_update_ssa_only_virtuals): Likewise.
4849 (TODO_remove_unused_locals): Likewise.
4850 (TODO_set_props): Likewise.
4851 (TODO_update_stmt_usage): Likewise.
4853 2006-08-13 Dirk Mueller <dmueller@suse.de>
4855 * c-common.c (strict_aliasing_warning): Fix formatting.
4857 2006-08-13 Matthias Klose <doko@debian.org>
4859 * doc/invoke.texi: Fix spelling errors.
4861 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4863 PR rtl-optimization/23454
4864 * reorg.c (relax_delay_slots): Update comment.
4866 2006-08-11 Richard Guenther <rguenther@suse.de>
4869 * simplify-rtx.c (simplify_const_relational_operation):
4870 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4873 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4875 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4876 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4878 2006-08-10 Paul Brook <paul@codesourcery.com>
4880 * final.c (final_scan_insn): Clear current_insn_predicate before
4881 outputting inline asm.
4883 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4885 PR tree-optimization/26197
4886 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4887 get_ref_base_and_extent and overlap_subvar to add only relevant
4888 subvars as may-aliases.
4889 (add_may_alias_for_new_tag): New function, factored out of
4891 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4892 with additional argument.
4893 * tree-flow.h (new_type_alias): Takes additional argument.
4895 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4897 * gcov.c (no_data_file): New flag.
4898 (read_count_file): Set it if data file not present. Assume counts
4900 (output_lines): Don't name the data file, if there wasn't one.
4902 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4904 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4905 (rs6000_generate_compare): Tweak comments.
4906 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4908 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4910 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4911 (var_debug_decl): New function.
4912 (var_reg_set): Follow debug decl link. Add location even if
4913 reg is already known to hold some other variable.
4914 (var_mem_set): Follow debug decl link.
4915 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4916 decl link. Delete other known locations of the variable part
4918 (var_reg_delete, var_mem_delete): Delete other known locations
4919 of the variable part if requested.
4920 (same_variable_part_p): New function.
4921 (add_stores): Select MO_COPY when appropriate.
4922 (vt_initialize): Handle it.
4923 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4924 known locations for MO_SET and MO_CLOBBER.
4925 (find_variable_location_part): New function.
4926 (set_variable_part, delete_variable_part): Use it.
4927 (clobber_variable_part): New function.
4928 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4931 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4933 PR tree-optimization/26969
4934 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4935 with an empty list of PHIs.
4937 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4941 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4944 2006-08-06 Andreas Schwab <schwab@suse.de>
4946 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4947 string. Whitespace and comment fixup.
4949 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4952 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4956 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4959 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4961 2006-08-04 Jan Hubicka <jh@suse.cz>
4965 * reload.c (push_reload): Patch out the mismatching instruction;
4967 (find_reload): Bail out if the instruction was patched out.
4969 2006-08-04 Jan Hubicka <jh@suse.cz>
4971 PR tree-optimization/24888
4972 * tree-inline.c (expand_call_inline): Do not re-record variables.
4973 (declare_inline_vars): Add variable to unexpanded_var_list.
4975 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4976 Roger Sayle <roger@eyesopen.com>
4978 PR rtl-optimization/26244
4979 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4980 inner_const are negative or greater than or equal to the bitsize of
4981 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4982 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4983 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4984 CONST0_RTX (mode) when the new shift count is greater than or equal to
4985 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4988 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4990 * tree-cfg.c: Fix a comment typo.
4992 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4995 * varasm.c (output_constant): Give the front end another chance to
4996 expand constants, after stripping NOPs.
4998 2006-08-03 Jan Hubicka <jh@suse.cz>
5000 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5003 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5005 PR tree-optimization/27770
5006 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5007 declaration removed (moved to tree-flow.h).
5008 (vect_can_force_dr_alignment_p): Likewise.
5009 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5010 (moved from tree-vectorizer.h).
5011 (vect_can_force_dr_alignment_p): Likewise.
5012 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5013 from outside the vectorizer - in particular from cgraph stage.
5014 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5015 the alignment of global arrays when -fsection-anchors is enabled.
5016 * cgraphunit.c (cgraph_increase_alignment): New function.
5017 (cgraph_optimize): Call cgraph_increase_alignment.
5019 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5022 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5023 not reload a SPE symbol_ref into a lo_sum address.
5025 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5028 * dwarf2out.c (prune_unused_types_prune): Move call to
5029 prune_unused_types_update_strings to cover the parent DIE also.
5031 2006-08-02 Jan Hubicka <jh@suse.cz>
5033 PR gcov/profile/28480
5034 * tree-cfg.c (change_bb_for_stmt): New function.
5035 (tree_merge_blocks, tree_split_blocks): Use it.
5037 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5043 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5044 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5045 (cgraph_optimize): Likewise.
5047 2006-08-01 Stuart Hastings <stuart@apple.com>
5049 * rtl.h (UINTVAL) New.
5050 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5051 * testsuite/gcc.dg/20060801-1.c: New.
5053 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5056 * c-typeck.c (build_external_type): Mark used enum types.
5057 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5059 (gen_subprogram_die): Whitespace fix.
5061 2006-08-01 Jan Hubicka <jh@suse.cz>
5063 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5064 bitmap when not needed.
5065 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5068 2006-08-01 Dirk Mueller <dmueller@suse.de>
5070 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5072 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5074 * Makefile.in: Revert part of previous patch:
5075 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5078 2006-07-30 Eric Christopher <echristo@apple.com>
5081 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5082 (PowerPC Variable Attributes): New section.
5084 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5086 PR target/28126 (partial fix)
5087 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5089 2006-07-28 Jan Hubicka <jh@suse.cz>
5091 PR rtl-optimization/28071
5092 * cfgrtl.c (rtl_delete_block): Free regsets.
5093 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5095 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5097 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5098 and variables used in dependencies.
5100 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5102 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5103 %fs for -mcmodel=kernel.
5104 (stack_tls_protect_test_di): Likewise.
5106 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5108 * Makefile.in: Use mkinstalldirs.
5110 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5113 * opts-common.c (prune_options): Skip joined switches.
5115 2006-07-27 Jan Hubicka <jh@suse.cz>
5117 PR rtl-optimization/28071
5118 * cselib.c (cselib_process_insn): Don't remove useless values too
5119 often for very large hashtables.
5121 2006-07-27 Jan Hubicka <jh@suse.cz>
5123 PR rtl-optimization/28071
5124 * global.c (greg_obstack): New obstack.
5125 (allocate_bb_info): Use it.
5126 (free_bb_info): Likewise.
5127 (modify_reg_pav): Likewise.
5129 2006-07-27 Roger Sayle <roger@eyesopen.com>
5131 * builtins.c (fold_fixed_mathfn): When long and long long are the
5132 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5133 functions to their lceil*, lfloor*, lround* and lrint* forms.
5135 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5138 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5140 (rev_branch_insn): Likewise.
5142 2006-07-27 Jan Hubicka <jh@suse.cz>
5144 PR rtl-optimization/28071
5145 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5146 (reg_set_in_bb, max_reg_computed): New static variables.
5147 (regmove_optimize): Free the new array.
5148 (fixup_match_1): Update call of reg_is_remote_constant_p.
5150 2006-07-26 Jan Hubicka <jh@suse.cz>
5152 PR tree-optimization/27882
5153 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5155 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5157 (cgraph_analyze_compilation_unit): Likewise.
5158 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5159 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5160 (cgraph_early_inlinine): Make order garbage collected.
5161 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5163 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5165 * dbxout.c (output_types_sort): Add a comment.
5166 (output_used_types): Free the VEC.
5168 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5170 * function.c (reorder_fix_fragments): Delete.
5171 (reorder_blocks): Don't call it.
5172 (reorder_blocks_1): Put all subblocks under the origin block.
5174 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5176 PR rtl-optimization/27907
5177 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5180 2006-07-25 Roger Sayle <roger@eyesopen.com>
5183 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5184 bar(x) check that bar's result type can represent all the values of T.
5186 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5188 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5190 2006-07-25 Nick Clifton <nickc@redhat.com>
5192 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5193 size_lookup[] array.
5194 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5195 (ggc_pch_count_object): Likewise.
5196 (ggc_pch_alloc_object): Likewise.
5197 (ggc_pch_write_object): Likewise.
5198 (init_ggc): Do not attempt to initialize entries in the
5199 size_lookup[] array for objects whose size is greater than than
5200 the length of the array.
5202 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5204 * dbxout.c (output_used_types_helper): Push queued types
5206 (output_types_sort): New.
5207 (output_used_types): Collect used types on a VEC and sort them
5210 2006-07-24 Richard Guenther <rguenther@suse.de>
5213 * cgraph.c (cgraph_remove_node): Do not check if dumps
5215 * cgraphunit.c (cgraph_optimize): Likewise.
5217 2006-07-24 Jan Hubicka <jh@suse.cz>
5219 PR rtl-optimization/28071
5220 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5221 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5222 splitting before first stmt.
5224 2006-07-24 Jan Hubicka <jh@suse.cz>
5226 PR rtl-optimization/28071
5227 * ipa-inline.c (update_caller_keys): Remove edges that
5228 are no longer inline candidates.
5230 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5233 * dbxout.c (output_used_types_helper, output_used_types): New.
5234 (dbxout_symbol): Call output_used_types.
5236 2006-07-23 Jan Hubicka <jh@suse.cz>
5240 * cgraph.c (cgraph_varpool_nodes): Export.
5241 (decide_is_variable_needed): Ignored "used" attribute in
5242 unit-at-a-time mode.
5243 * cgraph.h (cgraph_varpool_nodes): Declare.
5244 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5245 unit-at-a-time mode.
5247 2006-07-23 Roger Sayle <roger@eyesopen.com>
5250 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5251 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5252 the __gthrw form of thr_keycreate.
5253 (__gthread_key_delete): Silence the unused argument warning.
5255 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5258 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5259 Cache the last found '\0' marker to avoid quadratic behavior.
5261 2006-07-23 Jan Hubicka <jh@suse.cz>
5263 * i386.md (subsi_3_zext): Fix output template.
5265 2006-07-21 Mike Stump <mrs@apple.com>
5267 * doc/invoke.texi (C++ Dialect Options): Note that
5268 -fvisibility-inlines-hidden doesn't affect explicitly
5269 instantiationed inline methods.
5271 2006-07-20 Roger Sayle <roger@eyesopen.com>
5273 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5274 if the target assembler is GNU binutils' gas.
5275 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5276 whether to pass GNU gas or native as command line options.
5278 2006-07-20 Jason Merrill <jason@redhat.com>
5280 * tree.c (remove_attribute): New fn.
5281 * tree.h: Declare it.
5283 2006-07-20 Paul Brook <paul@codesourcery.com>
5286 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5287 they are invalidated by this instruction.
5289 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5292 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5294 2006-07-20 Eric Christopher <echristo@apple.com>
5297 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5299 2006-07-19 Eric Christopher <echristo@apple.com>
5301 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5302 Rewrite dependencies for libgcc_s.1.dylib.
5304 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5306 * except.c (duplicate_eh_regions_1): Clear next_peer.
5308 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5310 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5311 -mlongcall does not guarantee all calls will be long.
5312 * doc/extend.texi (long_call/short_call): Document that longcall
5313 does not guarantee a long call will be used.
5314 (longcall/shortcall): Likewise.
5316 2006-07-18 Roger Sayle <roger@eyesopen.com>
5319 * expmed.c (expand_shift): Additionally check that the shift_cost
5320 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5321 before implementing a LSHIFT_EXPR as a sequence of additions.
5322 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5323 middle-end that DImode shifts need to be synthesized by expand.
5325 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5328 * tree-ssa-operands.c (access_can_touch_variable): Update
5330 Return true if ALIAS is .GLOBAL_VAR.
5332 2006-07-18 David Daney <ddaney@avtrex.com>
5334 * gcc.c (display_help): Fix typo in help text.
5336 2006-07-18 Olivier Hainque <hainque@adacore.com>
5338 * tree.h (categorize_ctor_elements): Adjust prototype and add
5339 descriptive comment, both in accordance with the interface change
5341 * varasm.c (constructor_static_from_elts_p): New function.
5342 Whether a constructor node is a valid static constant initializer
5343 if all its elements are.
5344 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5345 * output.h: Declare it.
5346 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5347 is a valid constant initializer instead of computing the number of
5348 non-constant elements. Use constructor_static_from_elts_p for this
5349 purpose. Replace the head comment with an indication that this is a
5350 helper for categorize_ctor_elements.
5351 (categorize_ctor_elements): Same interface change as for the _1
5352 helper. Former head comment from this helper moved here, adjusted to
5353 account for the interface changes.
5354 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5355 (all_zeros_p): Likewise.
5356 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5357 static versions of the constructor from the categorize_ctor_elements
5358 return value instead of the formerly computed number of non-constant
5361 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5363 * configure: Regenerate.
5364 * Makefile.in (build_libsubdir): New configure substitution
5365 (build_libobjdir): New variable.
5366 (BUILD_LIBIBERTY): Use it.
5368 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5371 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5373 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5376 * c-common.c (handle_weakref_attribute): Ignore attribute in
5377 the same conditions the alias attribute is ignored.
5379 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5381 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5382 (dbxout_begin_prologue): Increment scope_labelno.
5384 2006-07-17 Richard Henderson <rth@redhat.com>
5387 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5390 2006-07-17 Roger Sayle <roger@eyesopen.com>
5391 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5394 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5395 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5396 functions such as sbrk, write, etc.. Add function prototypes.
5397 Convert function declarations from K&R to ISO C. Cast pointers
5398 to "long" and "unsigned long" instead of "int" and "unsigned int".
5399 Convert tokens following #endif into comments.
5401 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5403 * invoke.texi: Remove mention of f77; Reformat table for
5404 inline parameter options correctly; mention that -malign-double
5405 is default on x86-64 targets.
5407 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5409 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5410 (convert_affine_scev, chrec_convert_aggressive): Use
5411 avoid_arithmetics_in_type_p. Do not check for the subtypes
5414 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5417 * optabs.c (expand_doubleword_shift): Wrap the call to
5418 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5420 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5423 * optabs.c (expand_binop): Pass next_methods rather than methods
5424 to expand_doubleword_shift.
5426 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5429 * tree.h (dump_addr): Declare.
5430 * print-tree.c (dump_addr): New function.
5431 (print_node_brief, print_node): Use it.
5432 * print-rtl.c (print_rtx): Likewise.
5433 * common.opt (-fdump-noaddr): New option.
5434 * doc/invoke.texi (-fdump-noaddr): Document.
5435 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5436 (ve_info_hash): Likewise.
5438 2006-07-13 Andrew Haley <aph@redhat.com>
5440 PR tree-optimization/19505
5441 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5442 edge leaving this block, make sure that the destination of this
5443 block has only one predecessor.
5445 2006-07-17 Richard Guenther <rguenther@suse.de>
5447 PR tree-optimization/28238
5448 * tree-inline.c (copy_bb): Check if we produced valid
5449 gimple copying and substituting a stmt. If not, gimplify
5452 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5454 * optabs.c (maybe_encapsulate_block): New function extracted from...
5455 (emit_libcall_block): ...here. Invoke it on the block of insns to
5456 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5457 (emit_no_conflict_block): Likewise.
5459 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5461 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5463 2006-07-15 Roger Sayle <roger@eyesopen.com>
5465 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5466 a new NOP_EXPR case of the switch statement.
5468 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5471 * stor-layout.c (place_field): Take the bit field with
5472 an excessive size into account in the ms-bitfiled case.
5475 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5476 the previous bit field.
5478 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5481 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5483 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5485 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5486 signal frames correctly even when the signal was installed with
5489 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5491 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5492 (dbxout_function_end): Use local label LFBB. Remove hook
5494 (dbxout_source_line): Use local label LFBB.
5495 (dbxout_block): Likewise.
5496 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5497 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5498 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5499 and DBX_OUTPUT_NFUN.
5501 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5503 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5505 2006-07-13 Jan Hubicka <jh@suse.cz>
5507 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5509 * output.h (align_variable): Declare.
5510 * varasm.c (align_variable): Export.
5511 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5512 when basic block changed.
5514 2006-07-13 Nick Clifton <nickc@redhat.com>
5516 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5517 walking the LOG_LINKS chain.
5519 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5521 * doc/invoke.texi (C++ Dialect Options): Explain difference
5522 between -fvisibility-inlines-hidden and setting hidden
5523 visibility explicitly.
5525 2006-07-12 Eric Christopher <echristo@apple.com>
5527 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5528 (stmp-lipo): Depend on libgcc.a.
5530 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5532 * tree.c: Fix a comment typo.
5534 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5536 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5538 (umulhisi3_r): Likewise.
5540 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5543 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5544 x < 19, vs wchar_t support.
5546 2006-07-12 Nick Clifton <nickc@redhat.com>
5548 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5549 instead of -isa=sh4.
5551 2006-07-12 Mike Stump <mrs@apple.com>
5553 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5555 2006-07-10 Eric Christopher <echristo@apple.com>
5557 * config/t-slibgcc-darwin: Rewrite.
5559 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5562 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5565 2006-07-08 Matthias Klose <doko@debian.org>
5567 * doc/sourcebuild.texi: Fix typo.
5569 2006-07-07 Mike Stump <mrs@apple.com>
5571 * toplev.c (process_options): Don't give -ffunction-sections may
5572 affect debugging warning for Mach-O.
5574 2006-07-07 James E Wilson <wilson@specifix.com>
5576 * config/mips/mips.md (cpu): Add sb1a.
5577 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5578 addition to sb1. Adjust comments to clarify SB-1A differences from
5580 (ir_sb1a_load): New. Modify bypasses to use it.
5581 (ir_sb1a_simple_alu): Likewise.
5582 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5583 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5584 (mips_issue_rate): Add PROCESSOR_SB1A.
5585 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5586 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5587 (TARGET_SB1): Add PROCESSOR_SB1A check.
5588 (TUNE_SB1): Likewise.
5590 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5591 * config/mips/mips.c (mips_store_data_bypass_p): New.
5592 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5593 store_data_bypass_p.
5595 2006-07-08 Paul Brook <paul@codesourcery.com>
5598 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5600 2006-07-07 Richard Guenther <rguenther@suse.de>
5603 * tree.h (build_one_cst): Declare.
5604 * tree.c (build_one_cst): New function.
5605 * tree-ssa-math-opts.c (get_constant_one): Remove.
5606 (insert_reciprocals): Use build_one_cst.
5607 * fold-const.c (fold_plusminus_mult): Likewise.
5609 2006-07-07 Roger Sayle <roger@eyesopen.com>
5611 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5612 * cfgloopanal.c (dump_graph): Likewise.
5613 * dojump.c (discard_pending_stack_adjust): Likewise.
5614 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5616 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5617 * function.c (finalize_block_changes): Likewise.
5618 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5619 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5620 * rtl.c (dump_rtx_statistics): Likewise.
5621 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5623 * varray.c (dump_varray_statistics): Likewise.
5624 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5625 decode_decimal64, encode_decimal128, decode_decimal128,
5626 decimal_real_to_decimal): Likewise.
5628 2006-07-07 Richard Guenther <rguenther@suse.de>
5630 PR tree-optimization/28187
5631 * tree-vrp.c (vrp_operand_equal_p): New function.
5632 (vrp_bitmap_equal_p): Likewise.
5633 (update_value_range): Use them to compare old and new
5636 2006-07-06 Roger Sayle <roger@eyesopen.com>
5638 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5639 a default case to switch statement to silence compiler warnings.
5641 2006-07-06 Roger Sayle <roger@eyesopen.com>
5644 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5645 the configured assembler supports the x87's ffreep mnemonic.
5646 * configure: Regenerate.
5647 * config.in: Regenerate.
5649 * config/i386/i386.c (output_387_ffreep): New function.
5650 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5651 (output_387_reg_move): Likewise.
5653 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5655 Port to hosts whose 'sort' and 'tail' implementations
5656 treat operands with leading '+' as file names, as POSIX
5657 has required since 2001. However, make sure the code still
5658 works on pre-POSIX hosts.
5659 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5660 which says you should use "tail -c +N" rather than "tail +Nc".
5661 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5663 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5665 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5668 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5671 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5672 PRE_{INC,DEC} of TFmode.
5674 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5675 Alan Modra <amodra@bigpond.net.au>
5678 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5681 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5684 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5685 Remove duplicate gtu.
5687 2006-07-05 Jason Merrill <jason@redhat.com>
5691 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5692 * c-common.c (handle_packed_attribute): So don't copy it here.
5693 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5695 2006-07-05 Mike Stump <mrs@apple.com>
5697 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5699 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5702 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5704 2006-07-05 Richard Guenther <rguenther@suse.de>
5707 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5708 TARGET_SSE2 targets if using SSE math.
5709 (*absdf2_1): Likewise.
5711 2006-07-05 Richard Guenther <rguenther@suse.de>
5713 PR tree-optimization/28162
5714 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5715 make sure to convert the operands to the correct type.
5717 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5719 PR tree-optimization/28218
5721 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5722 to calculate and free the dominator information.
5724 2006-07-04 Peter O'Gorman <peter@pogma.com>
5726 * mklibgcc.in: chmod 644 before ranlib during install.
5728 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5729 J"orn Rennecke <joern.rennecke@st.com>
5731 * configure.ac (.eh_frame data check): Use diff -b.
5733 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5736 * Makefile.in (BUILD_RTL): Add build/vec.o.
5737 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5738 (build/genextract): Delete.
5739 (build/genautomata): Likewise.
5741 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5744 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5745 128-bit IBM long doubles for ABI_V4.
5747 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5749 * tree.c (range_in_array_bounds_p): New predicate.
5750 * tree.h (range_in_array_bounds_p): Declare it.
5751 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5752 return a less conservative answer.
5753 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5754 and flag 'is_group'.
5755 (IS_ELEMENT_FOR_GROUP): New macro.
5756 (FOR_EACH_ACTUAL_CHILD): Likewise.
5757 (next_child_for_group): New helper function.
5758 (can_completely_scalarize_p): Take into account groups.
5759 (sra_hash_tree): Handle RANGE_EXPR.
5760 (sra_elt_eq): Likewise.
5761 (lookup_element): Be prepared for handling groups.
5762 (is_valid_const_index): Delete.
5763 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5764 instead of is_valid_const_index.
5765 <ARRAY_RANGE_REF>: New case.
5766 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5767 is_valid_const_index.
5768 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5769 (scan_dump): Dump info for groups too.
5770 (decide_instantiation_1): Likewise.
5771 (decide_block_copy): Assert that the element is not a group.
5772 Propagate decision to groups.
5773 (generate_one_element_ref): Handle RANGE_EXPR.
5774 (mark_no_warning): Iterate over actual childs.
5775 (generate_copy_inout): Likewise.
5776 (generate_element_copy): Likewise.
5777 (generate_element_zero): Likewise.
5778 (generate_element_init_1): Likewise.
5779 (dump_sra_elt_name): Handle RANGE_EXPR.
5781 2006-07-03 Roger Sayle <roger@eyesopen.com>
5783 PR tree-optimization/26251
5784 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5785 (thread_block): When optimizing for size refuse to thread jumps
5786 that would require duplication of blocks other than redirection
5789 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5791 * configure.ac: Fix thinko in previous check-in.
5792 * configure: Regenerate.
5794 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5797 * configure.ac (for lang...): Simplify nesting of conditionals.
5798 Test subdir_requires for non-enabled languages. Move processing
5799 of lang_opt_files and lang_tree_fiels below that test.
5800 * configure: Regenerate.
5801 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5803 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5805 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5807 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5809 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5812 2006-06-29 Jason Merrill <jason@redhat.com>
5819 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5820 * c-common.c (c_determine_visibility): Handle it here.
5821 * c-decl.c (finish_decl): Call c_determine_visibility for
5823 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5825 * varasm.c (default_assemble_visibility): Likewise.
5826 * c-common.c (handle_visibility_attribute): Complain about trying
5827 to give visibility to an already defined class, or trying to change
5828 declared visibility. Always attach the attribute.
5833 * attribs.c (decl_attributes): Ignore type-in-place attributes
5834 once the type has been defined.
5836 2006-06-29 Roger Sayle <roger@eyesopen.com>
5839 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5840 to indicate the cpplib has issued an error message for us.
5842 2006-06-29 Asher Langton <langton2@llnl.gov>
5845 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5846 insert a label at the end of an function under Mach-O.
5848 2006-06-29 Eric Christopher <echristo@apple.com>
5849 Evan Cheng <evan.cheng@apple.com>
5851 * predicates.md (vector_all_ones_operand): New.
5852 (nonimmediate_or_sse_const_operand): Ditto.
5853 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5854 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5855 (standard_sse_mode_p): Ditto.
5856 (standard_sse_constant_p): Add case for -1 vector.
5857 (ix86_expand_vector_move): Try to use.
5858 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5859 Call standard_sse_constant_opcode.
5860 (*movv4sf_internal): Ditto.
5861 (*movv2df_internal): Ditto.
5863 2006-06-29 Roger Sayle <roger@eyesopen.com>
5865 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5866 of XEXP to extract the operands of a MATCH_CODE rtx.
5868 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5870 * tree.c (tree_size): Do not waste tail padding in
5871 struct tree_string and make the size be the same as
5872 build_string will generate.
5874 2006-06-28 Jason Merrill <jason@redhat.com>
5877 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5878 may_aliases already in the tag's annotations to the bitmap.
5880 2006-06-28 Roger Sayle <roger@eyesopen.com>
5882 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5884 2006-06-28 Roger Sayle <roger@eyesopen.com>
5886 * genpreds.c (generate_switch_p): New function.
5887 (add_mode_tests): Push the new mode test down inside an AND expr
5888 if this allows the switch-suitable MATCH_CODE to be near the root.
5889 (write_match_code_switch): New function to write a MATCH_CODE as
5891 (write_predicate_stmts): New function to write a predicate RTX
5892 expression as a sequence of statements.
5893 (write_one_predicate_function): Use write_predicate_stmts.
5894 (write_tm_constrs_h): Likewise.
5896 2006-06-26 Fred Fish <fnf@specifix.com>
5898 * config/mips/t-sb1: New file.
5899 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5902 2006-06-26 DJ Delorie <dj@redhat.com>
5904 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5906 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5907 Jayant Sonar <jayants@kpitcummins.com>
5908 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5910 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5911 (subsi3, subsi3_1, subsi3_2): New.
5912 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5913 * config/m32c/mov.md (SI mov peephole): New.
5914 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5915 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5917 2006-06-26 Olivier Hainque <hainque@adacore.com>
5919 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5920 a CALL_EXPR target function declaration.
5922 2006-06-26 Richard Guenther <rguenther@suse.de>
5924 * tree.c (build_string): Do not waste tail padding in
5927 2006-06-26 Richard Guenther <rguenther@suse.de>
5929 * ggc-page.c (init_ggc): Add missing element to size_lookup
5933 2006-06-23 Richard Guenther <rguenther@suse.de>
5935 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5936 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5937 alignment requests instead. Add verification code.
5938 Add struct tree_function_decl and struct tree_binfo size to
5939 extra_order_size_table. Add missing element to size_lookup
5942 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5945 * fold-const.c (const_binop): Be prepared for self returning zero.
5946 Simplify code handling complex values.
5948 2006-06-24 Olivier Hainque <hainque@adacore.com>
5950 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5951 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5954 2006-06-24 Olivier Hainque <hainque@adacore.com>
5956 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5957 ARRAY_REF, so have the callback called for the low bound expression.
5959 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5961 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5962 * c-typeck.c (c_common_type): Disallow operations on decimal float
5963 types and other float types.
5964 * convert.c (convert_to_real): Don't ignore conversions involving
5965 decimal float types.
5967 2006-06-23 Olivier Hainque <hainque@adacore.com>
5969 * tree.c (max_int_size_in_bytes): New function, inspired from
5970 code in function.c:assign_temp.
5971 * tree.h (max_int_size_in_bytes): Declare.
5972 * function.c (assign_temp): Use it.
5973 * gimplify.c (create_tmp_var): Relax the assertions on the type
5974 properties, not mandating constant size any more.
5975 (force_constant_size): New static function.
5976 (gimple_add_tmp_var): Use it, forcing variable size to a
5977 constant upper bound if it is not constant on entry.
5979 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5982 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5983 for initialization and setting of one_only flag to ...
5984 (i386_pe_encode_section_info): ...here.
5985 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5986 Recheck that the symbol has not been defined.
5988 2006-06-23 Richard Guenther <rguenther@suse.de>
5990 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5991 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5992 alignment requests instead. Add verification code.
5993 Add struct tree_function_decl and struct tree_binfo size to
5994 extra_order_size_table. Add missing element to size_lookup
5997 2006-06-22 Roger Sayle <roger@eyesopen.com>
5998 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6001 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6002 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6004 2006-06-23 Ben Elliston <bje@au.ibm.com>
6006 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6007 negate dn -- manipulate it directly.
6009 2006-06-22 Roger Sayle <roger@eyesopen.com>
6010 Steven Bosscher <stevenb.gcc@gmail.com>
6013 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6014 generated by gen_move_insn to add REG_LABEL notes if necessary.
6016 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6018 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6019 (leaf_entry): Remove use of MIN_ESA.
6021 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6023 PR rtl-optimization/28121
6024 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6027 2006-06-21 DJ Delorie <dj@redhat.com>
6029 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6031 (mulhisi3_r): Likewise.
6033 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6036 * coverage.c (coverage_counter_alloc): Leave the index type
6038 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6041 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6043 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6044 section from the "Options for Code Generation Conventions".
6046 2006-06-21 Richard Henderson <rth@redhat.com>
6050 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6052 (global_symbolic_operand): Allow weak symbols, even if local_p.
6054 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6056 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6057 (find_interesting_uses_address): Punt if above function returns true.
6059 2006-06-21 Richard Guenther <rguenther@suse.de>
6061 * configure: Regenerated.
6063 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6065 * config/mips/mips.c (function_arg): Where one part of a
6066 complex argument is in registers and the other part in the stack,
6067 return a REG not a PARALLEL.
6069 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6071 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6072 when cross-compiling. Do not substitute libstdcxx_incdir.
6073 * configure: Regenerated.
6075 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6077 * varasm.c (mergeable_string_section): Check for embedded NULs and
6078 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6079 rather than TREE_STRING_LENGTH bytes.
6081 2006-06-21 Richard Guenther <rguenther@suse.de>
6083 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6084 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6087 2006-06-21 Richrad Guenther <rguenther@suse.de>
6089 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6090 Limit iteration over the dominators.
6092 2006-06-20 Roger Sayle <roger@eyesopen.com>
6094 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6095 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6097 2006-06-20 Richard Guenther <rguenther@suse.de>
6098 Michael Matz <matz@suse.de>
6100 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6102 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6103 * et-forest.h (et_free_pools): Prototype new function.
6104 * et-forest.c (et_free_tree_force): Free parent occurrence.
6105 (et_free_pools): New function.
6106 * dominance.c (free_dominance_info): Free et-forest alloc
6109 2006-06-20 Roger Sayle <roger@eyesopen.com>
6111 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6112 integer modes, attempt to directly construct an integer constant.
6114 * fold-const.c (native_encode_vector): Determine the size of each
6115 element from the vector type instead of the first vector element.
6117 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6118 if all of its elements/components are constant.
6119 (build_constructor_from_list): Likewise.
6121 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6123 PR tree-optimization/27331
6124 * tree-data-ref.c (free_data_ref): New function.
6125 (create_data_ref): Fail if the data reference has unknown access
6127 (free_data_refs): Use free_data_ref.
6129 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6132 * tree-inline.c (setup_one_parameter): Strip useless
6133 type conversion before adding it to the IR.
6134 (declare_return_variable): Likewise.
6136 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6139 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6141 2006-06-19 Mike Stump <mrs@apple.com>
6143 * tree.c (variably_modified_type_p): VM arguments don't make the
6146 2006-06-19 Richard Guenther <rguenther@suse.de>
6148 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6149 type conversions after folding.
6151 2006-06-19 Richard Guenther <rguenther@suse.de>
6153 * ggc-page.c (extra_order_size_tab): Add entries with
6154 size of struct function and basic_block.
6155 (size_lookup): Extend to cover sizes up to 511.
6156 (ggc_alloc_stat): Adjust user.
6157 (ggc_pch_count_object): Likewise.
6158 (ggc_pch_alloc_object): Likewise.
6159 (ggc_pch_write_object): Likewise.
6161 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6163 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6164 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6167 2006-06-19 Denis Chertykov <denisc@overta.ru>
6169 * config/avr/libgcc.S : Correct my wrong previous commit.
6171 2006-06-19 Roger Sayle <roger@eyesopen.com>
6174 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6175 have stripped a SUBREG from the shift count, so we may need to
6176 convert_to_mode back to the type's mode before calling make_tree.
6177 Use new_amount instead of amount to avoid expanding a tree twice.
6179 2006-06-19 Richard Guenther <rguenther@suse.de>
6182 * fold-const.c (operand_equal_p): Check if the argument types
6183 have the same precision before stripping NOPs.
6185 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6187 Fix PR tree-optimization/27341
6188 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6190 * tree-complex.c (pass_lower_complex): Update SMT usage.
6192 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6194 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6195 Add a new alternative to the constraint strings. Add move of
6196 operand 1 to 3 to the splitter definition.
6197 ("doloop_si_long"): Second contraint alternative removed.
6199 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6201 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6202 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6204 (AVR_HAVE_MOVW) Define.
6205 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6206 (ASM_SPEC): Add avr25.
6207 (LINK_SPEC): Add avr25.
6208 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6209 (base_arch_s): Add new member 'have_movw_lpmx'.
6210 (avr_arch_types): Init 'have_movw_lpmx'.
6211 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6212 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6213 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6214 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6215 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6217 (avr_file_start): Do not output '.arh' derective.
6218 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6219 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6220 * config/avr/avr.md (mcu_enhanced): Delete.
6221 (mcu_have_movw): Define.
6222 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6223 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6224 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6225 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6226 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6227 attiny861 and at86rf401 devices.
6229 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6231 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6234 2006-06-17 Karl Berry <karl@gnu.org>
6236 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6237 doc/gccint.texi, doc/install.texi (@dircategory): Use
6238 "Software development" instead of "Programming", following
6239 the Free Software Directory.
6241 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6243 * config/i386/i386.c (legitimate_tls_address)
6244 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6245 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6246 (*tls_dynamic_gnu2_combine_64): Likewise.
6248 2006-06-16 Richard Guenther <rguenther@suse.de>
6251 * fold-const.c (negate_expr_p): Do not introduce undefined
6252 overflow in negating INTEGER_CSTs.
6253 (fold_negate_expr): Rename from negate_expr. Revert last
6254 change for folding BIT_NOT_EXPR. Change semantics to
6255 return NULL_TREE for non-simplified negations. Do not
6256 strip type conversions and unify type handling.
6257 (negate_expr): New function, wrap around fold_negate_expr
6258 but ensure building a tree always. Strip type conversions
6259 here, fold to result type.
6260 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6262 2006-06-16 Roger Sayle <roger@eyesopen.com>
6265 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6266 that (would) return their results in stack registers.
6268 2006-06-16 Michael Matz <matz@suse.de>
6269 Richard Guenther <rguenther@suse.de>
6271 * fold-const.c (fold_truthop): Only return new tree node if
6272 we canonicalized something.
6274 2006-06-16 Richard Guenther <rguenther@suse.de>
6276 * function.h (enum function_frequency): Move declaration
6277 out of struct function.
6278 (struct function): Move bool fields and the enum to the bitfield
6279 section. Reorder elements to avoid padding. Remove unused
6280 fields left over from the RTL inliner removal.
6281 * function.c (free_after_compilation): Do not zero removed fields.
6282 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6283 (ipa-type-escape.o): Likewise.
6285 2006-06-16 Richard Guenther <rguenther@suse.de>
6287 * cgraph.h (struct cgraph_local_info): Turn bool elements
6289 (struct cgraph_node): Likewise.
6290 (struct cgraph_varpool_node): Likewise.
6292 2006-06-15 Richard Guenther <rguenther@suse.de>
6294 * fold-const.c (fold_truth_not_expr): Rename from
6295 invert_truthvalue. Give it fold_* semantics to avoid
6297 (invert_truthvalue): New function. Wrapper around
6298 fold_truth_not_expr.
6299 (optimize_minmax_comparison): Avoid creating garbage.
6300 (fold_unary): Use fold_truth_not_expr for folding
6302 (fold_ternary): Replace uses of invert_truthvalue with
6303 fold_truth_not_expr where applicable.
6304 * tree.h (fold_truth_not_expr): Prototype.
6306 2006-06-16 Richard Guenther <rguenther@suse.de>
6308 PR tree-optimization/27781
6309 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6310 * ipa-pure-const.c (target.h): Include.
6311 (analyze_function): Do not analyze functions that do not
6314 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6317 * tree-dfa.c (referenced_vars_dup_list): Remove.
6318 (find_referenced_vars): Remove assert.
6319 (referenced_var_check_and_insert): Replace dup list with assert.
6320 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6321 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6323 2006-06-15 Richard Guenther <rguenther@suse.de>
6325 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6326 extra unused identifiers if not dumping.
6327 (create_variable_info_for): Likewise.
6329 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6331 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6332 (derive_constant_upper_bound): Derive more precise upper bound in
6333 common cases. Return type changed to double_int.
6334 (record_estimate): Reflect the changed return type of
6335 derive_constant_upper_bound.
6336 * double-int.c (double_int_zext, double_int_sext): Fix.
6338 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6340 * configure.ac (CFLAGS): Get them from the toplevel or from the
6341 configure invocation.
6342 * configure: Regenerate.
6343 * Makefile.in (CFLAGS): Substitute value provided by configure.
6345 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6348 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6349 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6350 rather than calling add_stmt on it.
6351 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6353 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6356 * reload1.c (reload): Remove registers returned by update_eliminables
6357 from used_spill_regs.
6359 2006-06-13 DJ Delorie <dj@redhat.com>
6361 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6363 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6365 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6366 html__strip_dir, html__mkdir_p. Enhance install-html target.
6367 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6368 * configure: Regenerate.
6370 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6372 * fold-const.c (fold_cond_expr_with_comparison): Check for
6373 Objective-C++ as language in deciding COND_EXPR transformation.
6375 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6378 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6379 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6380 * config/sh/lib1funcs.h (SL, SL1): Define.
6381 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6382 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6383 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6384 (OBJS_Os_4_200): New variable.
6385 ($(T)libgcc-Os-4-200.a): Use it.
6386 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6387 when dividing 1 and/or by 0.
6389 2006-06-13 Roger Sayle <roger@eyesopen.com>
6391 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6392 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6393 * configure: Regenerate.
6395 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6397 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6398 for real instruction.
6400 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6403 * haifa-sched.c (check_cfg): Handle special case.
6405 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6408 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6409 Add debug_info parameter. Chain the vars to the BLOCK instead
6410 of the BIND_EXPR if debug info are requested for them.
6411 (pop_gimplify_context): Adjust for above change.
6412 (gimple_add_tmp_var): Likewise.
6413 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6415 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6416 (convert_local_reference): Likewise.
6417 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6418 (finalize_nesting_tree_1): Request that debug info be emitted
6419 for debug_var_chain.
6421 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6423 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6424 for PR target/27863.
6426 2006-06-13 Richard Guenther <rguenther@suse.de>
6429 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6431 2006-06-13 Richard Guenther <rguenther@suse.de>
6433 PR tree-optimization/27830
6434 * tree-inline.c (copy_body_r): For copying the operand
6435 of an ADDR_EXPR make sure to fold &* afterwards.
6437 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6439 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6440 lvalues in the fb_none case with side-effects.
6442 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6444 * tree-flow.h: Remove the prototype for
6445 compute_phi_arg_on_exit.
6446 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6447 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6450 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6452 * builtins.c (expand_builtin_return_addr): Only use
6453 frame_pointer_rtx when count == 0 and we are expanding
6454 __builtin_return_address.
6456 2006-06-12 Fred Fish <fnf@specifix.com>
6458 * config/mips/mips.c (mips_file_start): Create special section
6459 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6461 2006-06-11 Eric Christopher <echristo@apple.com>
6464 * stor-layout.c (place_field): Remove check for
6465 remaining_in_alignment when aligning at the end of a run.
6467 2006-06-11 Eric Christopher <echristo@apple.com>
6470 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6473 2006-06-11 Roger Sayle <roger@eyesopen.com>
6476 Revert incorrect fix for PR target/27158
6477 2006-05-08 Roger Sayle <roger@eyesopen.com>
6478 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6479 of a reg_equiv_constant if the result is a legitimate constant.
6481 2006-06-11 Roger Sayle <roger@eyesopen.com>
6484 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6485 extract a CONST_VECTOR element and interpret it as an integer.
6486 (vspltis_constant): Use const_vector_elt_as_int instead of the
6487 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6488 * config/rs6000/predicates.md (easy_vector_const): Consider
6489 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6491 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6494 * stor-layout.c (update_alignment_for_field): Don't add extra
6495 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6498 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6500 * config/mips/t-rtems: Add EL/EB multilib variants.
6502 2006-06-09 Mike Stump <mrs@apple.com>
6504 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6506 2006-06-09 David Daney <ddaney@avtrex.com>
6508 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6510 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6512 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6514 2006-06-09 Richard Guenther <rguenther@suse.de>
6516 PR tree-optimization/26998
6517 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6518 of signed types, only TYPE_MIN_VALUE is special, but for both,
6519 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6520 in this case, as is -fwrapv.
6522 2006-06-08 Mike Stump <mrs@apple.com>
6525 * config/darwin.c (darwin_asm_output_anchor): Disable
6526 -fsection-anchors on darwin for now.
6527 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6528 * rs6000/rs6000.c (optimization_options): Likewise.
6530 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6533 * config/i386/i386.c (classify_argument): Skip fields with invalid
6536 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6538 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6539 (cse_insn): Likewise for the stack_pointer_rtx.
6541 2006-06-08 Roger Sayle <roger@eyesopen.com>
6543 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6544 conditions from floating point comparisons.
6546 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6549 * expmed.c (struct alg_hash_entry): Fix type of field T
6550 to match synth_mult argument.
6551 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6553 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6556 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6559 2006-06-08 Richard Guenther <rguenther@suse.de>
6562 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6563 only, if overflow is defined and not trapping.
6564 (negate_expr): Likewise.
6566 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6568 PR tree-optimization/27872
6569 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6570 flag on the new exit edge of the unrolled loop.
6572 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6574 PR rtl-optimization/26449
6575 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6577 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6580 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6581 referenced_variables with matching DECL_UID's.
6582 (find_referenced_vars): Make sure duplicate list is empty to start.
6583 (referenced_var_p): Remove.
6584 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6585 Check if var is in the list, and add if needed. Update the duplicate
6586 list if a different var is in the list with the same DECL_UID.
6587 (add_referenced_var): Call routine to check and insert.
6588 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6589 * tree-flow.h (referenced_vars_dup_list): External declaration.
6591 2006-06-07 Fred Fish <fnf@specifix.com>
6593 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6596 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6599 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6600 the imaginary and real parts of a clobbered register.
6601 Emit insn to set the imaginary part.
6603 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6605 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6606 in lieu of unwind-dw2-fde.c.
6608 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6610 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6612 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6615 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6616 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6617 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6618 V4SImode temporaries and operations instead.
6620 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6622 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6625 2006-06-06 Mike Stump <mrs@apple.com>
6627 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6628 installing during build.
6630 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6632 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6634 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6635 * config/ia64/ia64.c (params.h): New header.
6636 (ia64_optimization_options): New function to adjust parameters.
6637 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6638 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6639 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6641 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6643 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6645 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6648 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6650 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6651 Victor Kaplansky <victork@il.ibm.com>
6653 PR tree-optimization/26360
6654 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6657 2006-06-04 Roger Sayle <roger@eyesopen.com>
6658 Andrew Pinski <pinskia@physics.uc.edu>
6661 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6662 for LABEL_DECL before calling DECL_WEAK.
6665 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6666 LABEL_DECL and PARM_DECL.
6668 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6672 * c-decl.c (grokdeclarator): Disallow variably modified types at
6673 file scope. Avoid marking shared array type of constant size as
6676 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6679 * c-common.c (fold_offsetof_1): Handle static members.
6681 2006-06-04 Eric Christopher <echristo@apple.com>
6683 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6684 (debug_rli): Output value for remaining_in_alignment.
6685 (update_alignment_for_field): Unconditionalize
6686 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6687 extra alignment code.
6688 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6689 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6690 * tree.h (record_layout_info_s): Remove prev_packed.
6691 * doc/extend.texi (ms_struct): Add documentation of format.
6693 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6695 * tree.h: Declare folding_initializer.
6696 * builtins.c (fold_builtin_constant_p): Give definite answer
6697 if folding inside an initializer.
6698 * fold-const.c: Define folding_initializer.
6699 (START_FOLD_INIT): Save and then set folding_initializer.
6700 (END_FOLD_INIT): Restore folding_initializer.
6702 2006-06-04 Richard Guenther <rguenther@suse.de>
6704 PR tree-optimization/27039
6705 * fold-const.c (fold_comparison): Handle pointer comparison
6706 again for all comparison codes. Compare offsets in signed
6708 (fold_binary): Move code from here.
6710 2006-06-03 Roger Sayle <roger@eyesopen.com>
6713 * config/i386/i386.c (construct_container): Split static issued_error
6714 flag into issued_sse_arg_error, issued_sse_ret_error and
6715 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6716 requires the use of x87 registers and the user explicitly
6717 specified the -mno-80387 command line option.
6719 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6721 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6722 HAVE_DECL_SIGALTSTACK.
6724 (segv_handler): Use MC_FLD.
6725 * configure.ac: Check for a sigaltstack declaration.
6726 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6727 * configure: Regenerate.
6728 * config.in: Regenerate.
6730 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6733 * Makefile.in (stmp-fixinc): Fix typo.
6735 2006-06-02 Roger Sayle <roger@eyesopen.com>
6737 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6738 are type correct. Clean-up.
6739 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6740 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6742 2006-06-01 DJ Delorie <dj@redhat.com>
6744 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6745 shift, as we've disabled the "switch" insn that needs it.
6747 2006-06-01 Per Bothner <bothner@bothner.com>
6749 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6750 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6751 * c-ppoutput.c (cb_define): Don't increment line 0.
6753 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6755 * doc/invoke.texi: Add cpu_type power6.
6756 * config.gcc: Add cpu_type power6.
6757 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6758 to power5+ with Altivec.
6759 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6760 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6762 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6764 * config/avr/avr.h (SET_ASM_OP): Define.
6766 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6768 * config/bfin/bfin.c: Fix comment typos.
6770 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6773 * doc/install.texi: Document --enable-bootstrap and
6774 --disable-bootstrap.
6776 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6778 * doc/install.texi: Document that InfoZIP can replace jar.
6780 2006-05-31 Roger Sayle <roger@eyesopen.com>
6782 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6783 isn't available, directly generate the simpler x87 patterns without
6784 the (use (const_int 0)).
6785 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6786 implementation isn't available.
6787 (*negdf2_1): Likewise.
6788 (*negxf2_1): XF mode negation is always done using the x87.
6789 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6791 2006-05-31 Roger Sayle <roger@eyesopen.com>
6793 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6794 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6796 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6798 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6800 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6801 * config/bfin/bfin.c (basic-block.h): Include.
6802 (struct machine_function): New.
6803 (bfin_init_machine_status): New.
6804 (override_options): Initialize init_machine_status.
6805 (bfin_hardware_loop): New.
6806 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6807 (DEF_VEC_P (loop_info)): New.
6808 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6809 (struct loop_info): New.
6810 (loop_info): New typedef.
6811 (struct loop_work): New.
6812 (loop_work): New typedef.
6813 (DEF_VEC_O (loop_work)): New.
6814 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6815 (bfin_dump_loops): New.
6816 (bfin_bb_in_loop): New.
6817 (bfin_scan_loop): New.
6818 (bfin_optimize_loop): New.
6819 (bfin_reorg_loops): New.
6820 (bfin_reorg): Use bfin_reorg_loops.
6821 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6823 (I_REGNO_P): Simplify.
6824 (DP_REGNO_P, DPREG_P): New macros.
6825 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6826 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6827 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6828 Add LT_REGS, LC_REGS, LB_REGS.
6829 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6831 (REGNO_REG_CLASS): Deal with loop registers.
6832 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6834 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6835 New constants for loop registers.
6836 (UNSPEC_LSETUP_END): New.
6837 (seq_insns): New define_attr. Set it for appropriate insns.
6838 (movsi_insn): Add alternatives for move from/to
6839 loop count registers.
6840 (doloop_end): New define_expand.
6841 (loop_end): New define_insn.
6842 (define_split for bad doloop_end): New.
6843 (lsetup_with_autoinit): New define_insn.
6844 (lsetup_without_autoinit): New define_insn.
6845 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6846 * config/bfin/predicates.md (lc_register_operand): New.
6847 (lt_register_operand): New.
6848 (lb_register_operand): New.
6849 (nondp_register_operand): New.
6850 (nondp_reg_or_memory_operand): New.
6851 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6853 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6855 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6856 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6858 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6860 * Makefile.in (CATALOGS): Add po/ prefix.
6861 * configure: Regenerated.
6863 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6866 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6867 a shift operand before calling shift_op. Avoid redundant call of
6870 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6871 DJ Delorie <dj@redhat.com>
6873 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6874 we're inserting is a singlt-bit constant.
6876 2006-05-30 Roger Sayle <roger@eyesopen.com>
6878 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6879 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6881 2006-05-30 Roger Sayle <roger@eyesopen.com>
6883 PR tree-optimization/23452
6884 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6885 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6886 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6887 complex values and with -ffast-math for FP complex values.
6889 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6891 * c-common.h: Remove the prototype for yyparse.
6892 * rtl.h: Remove the prototype for init_loop.
6894 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6896 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6899 2006-05-30 Roger Sayle <roger@eyesopen.com>
6901 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6903 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6904 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6906 2006-05-30 Dirk Mueller <dmueller@suse.de>
6909 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6910 for CONSTANT_CLASS_P expresisons.
6912 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6915 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6917 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6919 PR tree-optimization/27779
6920 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6921 initial_condition instead of CHREC_LEFT.
6923 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6925 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6926 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6927 Make prototypes ISO C90.
6929 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6930 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6932 * see.c (see_analyze_one_def): Correct check.
6933 (see_get_extension_data): Check if extension is parallel.
6934 (see_get_extension_reg): Likewise.
6936 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6939 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6940 into register for (code == GTU).
6942 2006-05-29 Roger Sayle <roger@eyesopen.com>
6944 PR tree-optimization/24964
6945 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6946 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6947 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6948 abs(x)*abs(x) as x*x for scalar floating point modes.
6950 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6953 * lambda-code.c (perfect_nestify): Don't copy statements
6954 in the inner loop: move them to the inner loop header.
6956 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6959 * c-tree.texi: Document OpenMP directives and clauses.
6961 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6963 * varasm.c (globalize_decl): Fix indentation.
6965 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6968 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6969 pass_fre, pass_store_ccp, pass_copy_prop,
6970 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6971 pass_return_slot, pass_object_size, pass_lim,
6972 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6973 pass_loop_prefetch and pass_stdarg.
6975 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6977 * config/bfin/bfin.opt (mfdpic): New option.
6978 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6979 (EXTRA_MULTILIB_PARTS): Likewise.
6980 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6981 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6983 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6984 (CRT_CALL_STATIC_FUNCTION): New.
6985 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6987 (CRT_CALL_STATIC_FUNCTION): New.
6988 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6990 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6991 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6992 (initialize_trampoline): Changed to handle FD-PIC code generation.
6993 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6994 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6995 (override_options): Disallow -mid-shared-library -mfdpic combination.
6996 Can't do unaligned ops if FD-PIC.
6997 Turn off flag_pic if trying to generate non-id-shared-library
6998 non-fdpic code, since it's not supported.
6999 (bfin_assemble_integer): New function.
7000 (TARGET_ASM_INTEGER): Define.
7001 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7003 * config/bfin/crtn.s: Restore them.
7004 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7006 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7007 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7008 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7009 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7010 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7012 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7013 FDPIC_REGS and FDPIC_FPTR_REGS.
7014 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7015 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7016 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7017 (load_funcdescsi): New pattern.
7018 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7019 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7020 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7022 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7024 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7027 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7029 * tree-flow.h: Remove the prototype for add_type_alias.
7030 * tree-ssa-alias.c (add_type_alias): Remove.
7032 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7034 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7035 config/fr30/fr30.md, config/i386/i386-interix.h,
7036 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7037 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7038 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7039 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7040 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7041 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7042 Follow spelling conventions.
7043 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7044 Follow spelling conventions.
7046 2006-05-27 Richard Guenther <rguenther@suse.de>
7049 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7050 to produce a constant of value 1 of generic type.
7052 2006-05-27 Dirk Mueller <dmueller@suse.de>
7054 * cgraphunit.c (decide_is_function_needed): Fix wrong
7057 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7059 PR rtl-optimization/27661
7060 * reload.c (find_reloads): When reloading a VOIDmode constant
7061 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7062 use Pmode as mode of the reload register.
7064 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7066 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7067 is enabled at -O and above.
7069 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7072 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7075 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7078 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7079 for anonymous variables explicitly declared by front ends.
7081 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7083 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7084 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7085 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7086 ref-all pointers, run a finalization pass for them.
7087 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7088 (finalize_ref_all_pointers): New function.
7089 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7090 regular pointer type to a ref-all pointer type.
7091 (get_tmt_for): Return the special memory tag for ref-all pointers.
7093 2006-05-25 Richard Guenther <rguenther@suse.de>
7096 * fold-const.c (fold_binary): Do not look at the stripped
7097 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7099 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7101 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7102 for LT and GT if the computed range is effectively empty.
7104 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7107 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7108 mips_quad_format formats instead of ieee_single_format,
7109 ieee_double_format and ieee_quad_format formats, respectively.
7111 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7113 PR tree-optimization/27639
7114 PR tree-optimization/26719
7115 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7116 call to scev_probably_wraps_p.
7117 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7118 used_in_pointer_arithmetic_p, convert_step): Removed.
7119 (nowrap_type_p): New function.
7120 (scev_probably_wraps_p): Rewritten.
7121 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7122 chrec_convert if chrec_convert_aggressive might have been used.
7123 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7124 scev_direction): New functions.
7125 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7126 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7127 instead of convert_step.
7128 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7129 (convert_step): Declaration removed.
7130 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7132 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7134 * df-core.c: Added to header comments.
7135 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7136 df_ur_bb_info, df_urec_bb_info): Added comments.
7137 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7138 urec, ri problems): Fixed header comments.
7139 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7140 code from df_rd_transfer_function.
7142 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7144 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7145 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7146 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7148 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7150 * expr.c (undefined_operand_subword_p): New.
7151 (emit_move_multi_word): Do not generate move from undefined bits
7152 of a paradoxical subreg.
7154 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7156 PR rtl-optimization/27736
7157 * combine.c (replaced_rhs_value): New variable.
7158 (combine_instructions): Set it.
7159 (distribute_notes): When distributing a note in replaced_rhs_insn,
7160 check whether the value was used in replaced_rhs_value.
7162 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7165 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7166 add_referenced_var instead of add_referenced_tmp_var.
7167 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7168 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7170 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7171 tree_optimize_tail_calls_1): Use add_referenced_var.
7172 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7173 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7174 Use add_referenced_var.
7175 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7176 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7177 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7178 Use add_referenced_var.
7179 * tree-dfa.c (struct walk_state): Remove.
7180 (find_referenced_vars): Remove walk state and vars_found hash table.
7181 (make_rename_temp): Use add_referenced_var.
7182 (find_vars_r): Pass less parameters to add_referenced_var.
7183 (referenced_var_p): New. Is var in referenced_var hash table.
7184 (referenced_var_insert): Assert var isn't already in hash table.
7185 (add_referenced_var): Don't need walk_state parameter. Add var if it
7186 isn't already in the hash table.
7187 (add_referenced_tmp_var): Remove.
7188 (find_new_referenced_vars_1): Use add_referenced_var.
7189 * tree-ssa-pre.c (create_expression_by_pieces,
7190 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7191 Use add_referenced_var.
7192 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7193 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7194 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7196 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7197 vect_create_data_ref_ptr, vect_create_destination_var,
7198 vect_init_vector, vect_build_loop_niters,
7199 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7200 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7201 Use add_referenced_var.
7202 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7203 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7204 (add_referenced_var): Add prototype.
7205 * tree-ssa-structalias.c (get_constraint_for,
7206 intra_create_variable_infos): Use add_referenced_var.
7208 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7210 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7211 big-endian paradoxical subregs.
7212 * var-tracking.c (struct micro_operation_def): Document that,
7213 for modify micro operations, insn is the subsequent instruction.
7214 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7215 (var_reg_set, var_mem_set): ... new functions.
7216 (add_stores): Record subsequent insn.
7217 (compute_bb_dataflow): Use new functions for MO_USE.
7218 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7219 notes after the insn, and modify notes before the insn known
7220 to be the subsequent one.
7221 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7223 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7226 * config/i386/i386.c (ix86_expand_builtin): Use
7227 gen_sse3_monitor64 for TARGET_64BIT.
7229 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7231 PR rtl-optimization/26375
7232 PR rtl-optimization/26855
7233 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7235 (df_ru_bb_local_compute): Reversed statements and removed bogus
7236 comment explaining why they should be in wrong order.
7237 (df_ru_dump, df_rd_dump): Enhanced debug info.
7238 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7240 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7241 reaching uses and fixed space problem.
7243 2006-05-23 Jan Hubicka <jh@suse.cz>
7245 * cgraphunit.c (decide_is_function_needed): Also nested functions
7246 and functions declared inline can be optimized out at -O0.
7248 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7250 * doc/install.texi (Configuration): Remove reference to CrossGCC
7254 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7257 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7258 ix86_compare_emitted is non-NULL.
7260 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7263 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7266 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7268 PR rtl-optimization/25514
7269 * combine.c (replaced_rhs_insn): New variable.
7270 (combine_instructions): Set replaced_rhs_insn when trying to replace
7271 a SET_SRC with a REG_EQUAL note.
7272 (distribute_notes): Use replaced_rhs_insn when determining the live
7273 range of a REG_DEAD register.
7275 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7276 Anatoly Sokolov <aesok@post.ru>
7278 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7279 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7280 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7281 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7282 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7283 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7284 at90usb647, at90usb1286 and at90usb1287 devices.
7285 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7286 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7288 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7290 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7292 2006-05-22 Richard Guenther <rguenther@suse.de>
7295 2006-01-31 Richard Guenther <rguenther@suse.de>
7296 Paolo Bonzini <bonzini@gnu.org>
7298 * doc/install.texi (--disable-libgcc-math): Document.
7300 2006-05-22 Richard Guenther <rguenther@suse.de>
7303 2006-01-31 Richard Guenther <rguenther@suse.de>
7305 * doc/invoke.texi (-msselibm): Document.
7306 * target.h (expand_library_builtin): New target hook.
7307 * builtins.c (expand_builtin): Use expand_library_builtin.
7308 (default_expand_library_builtin): New function.
7309 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7310 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7311 (link_gcc_math_spec): Declare.
7312 (static_specs): Add link_gcc_math_spec.
7313 * expr.h (default_expand_library_builtin): Declare.
7314 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7315 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7316 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7317 * config/i386/i386.opt (msselibm): New target option.
7318 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7319 (ix86_init_sse_abi_builtins): New function.
7320 (ix86_expand_library_builtin): Likewise.
7321 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7322 (override_options): Handle error conditions wrt -msselibm.
7323 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7324 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7325 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7328 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7331 * c-common.c (self_promoting_args_p): Skip erroneous args.
7334 * c-decl.c (finish_struct): Skip erroneous fields.
7336 2006-05-22 Nick Clifton <nickc@redhat.com>
7338 * config/cris/cris.opt (march): Remove VarExists attribute.
7339 (max-stackframe=): Likewise.
7341 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7343 * doc/rtl.texi: Fix a typo.
7344 * see.c: Fix comment typos.
7346 * tree-ssa-structalias.h (alias_info): Remove num_references.
7348 2006-05-21 Mike Stump <mrs@apple.com>
7350 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7352 (darwin_pragma_options): Use BAD instead.
7353 (darwin_pragma_unused): Likewise.
7354 (darwin_pragma_ms_struct): Likewise.
7356 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7358 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7360 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7362 PR rtl-optimization/27671
7363 * simplify-rtx.c (simplify_relational_operation_1): Fix
7364 simplifications of (eq/ne (xor x y) y) and
7365 (eq/ne (xor x y) x).
7367 PR tree-optimization/26622.
7368 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7371 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7373 * tree-cfg.c: Prune whitespace.
7374 (debug_tree_cfg): Point to correct header containing the
7377 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7380 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7382 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7385 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7386 or sorry count is non zero.
7388 2006-05-20 Andreas Schwab <schwab@suse.de>
7390 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7392 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7393 Kenneth Zadeck <zadeck@naturalbridge.com>
7395 PR rtl-optimization/26855
7397 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7399 (df_scan_alloc): Added code to properly handle multiword hard
7400 registers and add all_blocks parameter.
7401 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7402 code to properly handle multiword hard registers.
7403 (df_rescan_blocks): Added code to remove deleted blocks from
7405 (df_ref_create_structure, df_ref_record): Added code to properly
7407 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7408 and set DF_REF_PARTIAL.
7409 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7410 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7411 (df_scan_add_problem): Added flags parameter.
7412 (df_ref_create_structure): Changed switching structure.
7413 (df_bb_refs_record): Fixed case where duplicate artificial refs
7414 were created. Changed location of flags.
7415 (df_record_entry_block_defs): Added code to make stack pointer
7416 live in entry block. Refined cases where frame pointer is needed.
7417 Changed location of flags.
7418 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7419 (df_set_state): Removed function.
7420 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7421 df_insn_create_insn_record, df_insn_refs_delete,
7422 df_ref_create_structure): Formatting changes.
7423 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7424 df_delete_basic_block): New function.
7425 (df_init): Changed location of flags.
7426 (df_add_problem): Added flags parameter and the way flags are
7428 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7429 debug_df_chain): Improved debugging output.
7430 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7431 (df_refs_chain_dump): Removed df parameter.
7432 (df_iterative_dataflow): Added consistency check.
7433 (df_prune_to_subcfg): Made public.
7434 (df_analyze_problem): Added blocks_to_init parameter and made
7436 (df_ref_record, df_bb_refs_record, df_mark_reg,
7437 df_record_exit_block_uses): Whitespace changes.
7438 (df_dump): Whitespace changes.
7439 * df.h: Some reordering to remove forward references.
7440 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7441 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7442 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7443 (dataflow.flags): New field.
7444 (df.flag): Deleted field.
7445 (df_alloc_function): Added additional bitmap parameter.
7446 (df_dependent_problem_function): New type.
7447 (df_problem.changeable_flags): New field.
7448 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7449 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7450 (df_mw_hardreg): New struct.
7451 (DF_INSN_UID_MWS): New macro.
7452 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7454 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7455 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7456 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7457 (df_set_state): Removed function.
7458 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7459 * df-problems.c (df_chain_dump): Removed df parameter.
7460 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7461 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7463 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7464 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7465 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7466 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7467 DF_REF_MUST_CLOBBER cases.
7468 (df_ru_bb_local_compute_process_def,
7469 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7470 df_lr_bb_local_compute, df_ur_bb_local_compute,
7471 df_chain_create_bb): Made subreg aware.
7472 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7473 df_lr_bb_local_compute, df_lr_bb_local_compute,
7474 df_chain_create_bb): Cleanup to use proper macros.
7475 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7476 code to fixup bitvectors.
7477 (df_ri_alloc): Cleared lifetime.
7478 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7479 df_create_unused_note): New function.
7480 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7481 REG_DEAD and REG_UNUSED notes as well as register information.
7482 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7483 df_chains_dump): Fixed crash if problem was never run.
7484 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7485 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7486 df_ri_add_problem): Processes flags in uniform manner.
7487 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7488 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7489 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7490 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7491 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7492 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7493 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7494 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7495 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7496 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7497 * see.c (see_initialize_data): Ditto.
7498 * final.c (rest_of_clean_state) Added regstack_completed.
7499 * rtl.h (regstack_completed): Ditto.
7500 * reg-stack.c (regstack_completed): Ditto.
7502 2006-05-19 Mike Stump <mrs@apple.com>
7504 * c-tree.h (default_conversion): Remove.
7505 * c-common.h (default_conversion): Add.
7507 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7509 * tree-vrp.c (valid_value_p): New function.
7510 (adjust_range_with_scev): Fail if the value of bound is not
7513 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7515 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7516 (mips_fallback_frame_state): Use syscall numbers to determine
7517 the appropriate li instruction for the current ABI. Only use
7518 __NR_sigreturn for o32.
7520 2006-05-19 Nicolas Setton <setton@adacore.com>
7522 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7523 * langhooks.c (lhd_dwarf_name): New function.
7524 * langhooks-def.h (lhd_dwarf_name): Declare.
7525 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7526 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7527 * ada/misc.c (gnat_dwarf_name): New function.
7528 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7530 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7532 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7534 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7535 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7536 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7537 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7538 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7539 determine the size of Wtype, etc.
7540 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7541 (swfloatfuncs): New variable.
7542 (dwfloatfuncs): Likewise.
7543 (lib2funcs): Remove floating-point conversion functions from
7544 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7545 the set of conversion routines needed. Allow entries to specify
7546 an object name, filename and word size. Update users accordingly.
7547 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7548 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7552 2006-02-08 Roger Sayle <roger@eyesopen.com>
7555 * config/fixtfdi.c: New libgcc source file.
7556 * config/fixunstfdi.c: New source file.
7557 * config/floatditf.c: New source file.
7558 * config/floatunditf.c: New souce file.
7559 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7560 files above instead of config/mips/_tilib.c.
7561 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7563 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7565 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7566 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7568 2006-05-18 Mike Stump <mrs@apple.com>
7570 Fix up vla, vm and [*] sematics.
7576 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7577 (c_vla_unspec_p): Add.
7578 (c_vla_type_p): Add.
7579 * c-decl.c (struct c_scope): Add had_vla_unspec.
7580 (build_array_declarator): Add support for [*].
7581 (grokdeclarator): Likewise.
7582 (grokparms): Likewise.
7583 (get_parm_info): Likewise.
7584 * c-objc-common.c (c_vla_unspec_p): Likewise.
7585 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7586 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7587 typeof when argument is a variably modified type not inside sizeof or alignof.
7588 (c_parser_direct_declarator_inner): Propagate errors.
7589 (c_parser_sizeof_expression): Add support for [*].
7590 (c_parser_parms_declarator): Initialize had_vla_unspec.
7591 (c_parser_parms_list_declarator): Likewise.
7592 * c-typeck.c (c_vla_type_p): Add.
7593 (composite_type): Add support for vla compositing.
7594 (comptypes_internal): Add support for vla compatibility.
7595 (c_expr_sizeof_expr): Evaluate vla arguments.
7596 * tree.c (variably_modified_type_p): Update comment for [*].
7598 2006-05-18 Michael Matz <matz@suse.de>
7601 * config.host: Make assignments to host_xmake_file cumulative.
7602 * config.host (*-darwin*): Test $host, not $target.
7604 2006-05-12 Stuart Hastings <stuart@apple.com>
7606 * config/i386/i386.opt (-mstackrealign): New flag.
7607 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7608 (ix86_handle_cconv_attribute): Emit error when
7609 force_align_arg_pointer attribute collides with too many regparms.
7610 (ix86_function_regparm): Limit regparms when used with
7611 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7612 Support stack-realigning prologue in non-main functions. Emit
7613 warning for nested functions under -mstackrealign, emit error for
7614 nested functions with force_align_arg_pointer attribute.
7615 * doc/extend.texi (force_align_arg_pointer): Document it.
7616 * doc/invoke.texi (-mstackrealign): Document it.
7618 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7620 PR rtl-optimization/27477
7621 * combine.c (try_combine): Don't split a parallel consisting
7622 of two sets into two individual sets if both sets reference
7625 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7627 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7628 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7630 * doc/options.texi (VarExists): Updated.
7632 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7634 * unwind-dw2.c: Add declarations for uw_update_context and
7636 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7637 detected, advance frame state and context once to skip over stub.
7639 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7643 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7644 Call rewrite_into_loop_closed_ssa only when something changed.
7645 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7646 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7647 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7648 Test for perfect_nest_p here. Fix formating.
7649 (replace_uses_equiv_to_x_with_y): Fix formating.
7650 (stmt_uses_op): Removed.
7651 (can_convert_to_perfect_nest): Removed loopivs parameter.
7652 Complete the test by checking the scalar dependences.
7653 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7656 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7659 From Dan Kegel <dank@kegel.com>:
7660 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7662 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7664 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7665 if the element type is variably modified without recursing.
7667 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7670 * tree-loop-linear.c (try_interchange_loops): Test for
7671 no data dependences.
7673 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7675 PR tree-optimization/27548
7676 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7677 range of ssa names that appear on abnormal edges.
7678 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7679 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7681 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7684 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7686 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7689 * tree.h (OMP_PARALLEL_COMBINED): Define.
7690 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7691 (new_omp_context): Add is_combined_parallel argument.
7692 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7693 new_omp_context caller.
7694 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7695 Adjust gimplify_scan_omp_clauses callers.
7696 (omp_is_private): Issue errors if iteration variable is firstprivate
7697 or reduction in the current context.
7698 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7699 on combined parallel workshare constructs.
7701 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7703 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7704 (gcc-options.o): New rule.
7706 * optc-gen.awk: Protect variables for gcc-options.o with
7707 #ifdef GCC_DRIVER/#endif.
7709 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7711 Fix PR tree-optimization/27373
7712 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7713 (forward_propagate_addr_expr): Update call.
7715 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7717 * doc/options.texi: Move the Negative option.
7719 2006-05-16 Richard Guenther <rguenther@suse.de>
7721 PR tree-optimization/22303
7722 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7724 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7725 ccp_fold did not simplify the statement.
7727 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7730 * Makefile.in (GCC_OBJS): New.
7731 (OBJS-common): Add opts-common.o.
7732 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7733 (cpp$(exeext)): Likewise.
7734 (gcc.o): Also depend on opts.h.
7735 (opts-common.o): New.
7737 * common.opt (gcoff): Add Negative(gdwarf-2).
7738 (gdwarf-2): Add Negative(gstabs).
7739 (gstabs): Add Negative(gstabs+).
7740 (gstabs+): Add Negative(gvms).
7741 (gvms): Add Negative(gxcoff).
7742 (gxcoff): Add Negative(gxcoff+).
7743 (gxcoff+): Add Negative(gcoff).
7744 * config/i386/i386.opt (m32): Add Negative(m64).
7745 (m64): Add Negative(m32).
7747 * doc/options.texi: Document the Negative option.
7749 * gcc.c: Include "opts.h".
7750 (main): Call prune_options after expandargv.
7752 * optc-gen.awk: Generate common declarations for all flag
7753 variables in options.c. Output the neg_index field.
7755 * opts.c (find_opt): Moved to ...
7756 * opts-common.c: Here. New file.
7758 * opts.h (cl_option): Add a neg_index field.
7760 (prune_options): Likewise.
7762 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7765 * omp-low.c (expand_omp_parallel): Don't assert
7766 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7767 instead search for it.
7770 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7773 2006-05-16 Andreas Schwab <schwab@suse.de>
7775 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7778 2006-05-15 Roger Sayle <roger@eyesopen.com>
7781 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7782 integer constants other than zero are only legitimate on TARGET_64BIT.
7783 <CONST_VECTOR> Only zero vectors are legitimate.
7784 (ix86_cannot_force_const_mem): Integral and vector constants can
7785 always be put in the constant pool.
7787 2006-05-16 DJ Delorie <dj@redhat.com>
7789 * crtstuff.c (__dso_handle): Set section from
7790 TARGET_LBIGCC_SDATA_SECTION if defined.
7791 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7792 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7794 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7797 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7800 2006-05-16 Ben Elliston <bje@au.ibm.com>
7802 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7804 2006-05-15 Per Bothner <per@bothner.com>
7806 * tree.c: (last_annotated_node): Use source_locus typedef.
7807 This permits bootstrapping with --enable-mapped-location.
7809 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7811 PR tree-optimization/26830
7812 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7813 (info_for_ssa_name, current_info_for_ssa_name_age,
7814 blocks_to_update): New variables.
7815 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7816 (clear_ssa_name_info, initialize_flags_in_bb,
7817 mark_block_for_update): New functions.
7818 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7819 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7820 prepare_def_site_for): Use mark_block_for_update.
7821 (mark_def_interesting): Assert that the processed block is marked in
7822 blocks_to_update. Do not take blocks argument.
7823 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7825 (rewrite_update_init_block, rewrite_update_stmt): Only process
7826 blocks with statements to rewrite.
7827 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7828 (update_ssa): Initialize and free blocks_to_update. Do not
7829 clear flags on statements. Do not use blocks bitmap.
7830 * tree.h (SSA_NAME_AUX): Removed.
7831 (struct tree_ssa_name): Removed aux field.
7832 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7834 2006-05-15 Richard Guenther <rguenther@suse.de>
7836 PR tree-optimization/27603
7837 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7838 Do computations in original type.
7840 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7842 * see.c: Code style changes such as redundant paranthesis,
7843 redundant intialization of local variables etc.
7844 (see_main): Declared now as static.
7845 * doc/invoke.texi: Update that -fsee is not enabled by
7848 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7850 * omp-low.c (check_omp_nesting_restrictions): New function.
7851 (scan_omp_1): Call it.
7854 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7855 construct, return *VAR.
7857 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7859 PR rtl-optimization/27406
7860 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7863 2006-05-14 Roger Sayle <roger@eyesopen.com>
7865 PR rtl-optimization/27538
7866 * combine.c (expand_compound_operation): Call gen_lowpart
7867 before calling simplify_shift_const.
7869 2006-05-14 Roger Sayle <roger@eyesopen.com>
7871 PR rtl-optimization/22563
7872 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7873 a fixed width bitfield, always force the intermediates into psuedos.
7875 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7878 * mkconfig.sh: Use operator = instead of == for test.
7880 2006-05-13 Nick Clifton <nickc@redhat.com>
7882 * dwarf2out.c (dbx_reg_number): Check return value from
7883 LEAF_REG_REMAP and only use it if it is valid.
7884 (multiple_reg_loc_descriptor): Likewise.
7886 2006-05-13 Richard Guenther <rguenther@suse.de>
7888 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7891 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7893 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7894 information attached to non-INSNs such as NOTEs.
7895 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7897 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7899 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7901 * config/s390/s390.md: Adjust comment describing On constraint.
7903 2006-05-11 Jan Hubicka <jh@suse.cz>
7905 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7906 to be output at -O0.
7908 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7911 * fold-const.c (size_binop): Move sanity check for arguments to
7912 the beginning of the function.
7915 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7918 2006-05-11 Richard Guenther <rguenther@suse.de>
7921 * fold-const.c (fold_unary): Handle intermediate conversion
7922 to a pointer type like intermediate conversion to an integer
7923 type in folding of (T1)(T2)var to var.
7924 Match the code to the comment in the final conversion for
7925 (T1)(T2)var to (T1)var regarding to type precision. Rather
7926 than disallow T1 being of pointer type, assert that both T1
7927 and var are of pointer type or not. Make sure not to fall
7928 over the frontends lazyness wrt array to pointer decay though.
7930 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7932 * arm.c (arm_struct_value_rtx): Delete.
7933 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7934 (arm_init_cumulative_args): Always initialize nregs to zero.
7936 2006-05-10 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/27532
7939 * tree-object-size.c (plus_expr_object_size): Fix typo.
7941 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7944 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7945 ashrdi_const, ashrdi3): Use a scratch register.
7947 2006-05-10 Richard Guenther <rguenther@suse.de>
7949 PR tree-optimization/27302
7950 * fold-const.c (operand_equal_p): For two comparisons,
7951 try comparison of one comparison code swapped if that yields
7954 2006-05-10 Ben Elliston <bje@au.ibm.com>
7956 * tree-pretty-print.c (pretty_print_string): No need to handle
7957 '\0' as a special character.
7959 * tree.h: Include "hashtab.h".
7960 (iterative_hash_expr): Use hashval_t in its prototype.
7961 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7963 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7966 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7967 (hppa*64*-*-hpux11*): Ditto.
7968 (hppa[12]*-*-hpux11*): Ditto.
7970 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7973 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7975 2006-05-09 Michael Matz <matz@suse.de>
7977 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7978 host_extra_gcc_objs and host_xmake_file.
7979 (<*-*-linux*>): Don't overwrite host_xmake_file.
7980 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7981 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7982 (host_detect_local_cpu): Declare.
7983 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7984 * config/i386/i386.c (override_options): Handle -mtune=native
7986 * config/i386/x-i386: New file.
7987 * config/i386/driver-i386.c: New file.
7988 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7991 2006-05-09 Dirk Mueller <dmueller@suse.de>
7992 Richard Guenther <rguenther@suse.de>
7995 * fold-const.c (fold_read_from_constant_string): Relax check
7996 for matching types to matching modes.
7998 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8000 PR rtl-optimization/27335
8001 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8004 2006-05-08 Chao-ying Fu <fu@mips.com>
8005 Richard Sandiford <richard@codesourcery.com>
8007 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8008 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8009 * config/mips/mips.md (UNSPEC_SCC): New constant.
8010 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8011 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8012 (mips_emit_compare): Use it.
8013 (mips_expand_vcondv2sf): New function.
8015 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8017 Fix PR tree-optimization/27093
8018 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8019 renaming when they become not-used_alone.
8021 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8023 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8024 relocation and relocation stubs.
8026 2006-05-08 Eric Christopher <echristo@apple.com>
8028 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8031 2006-05-08 Jan Hubicka <jh@suse.cz>
8034 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8035 unused static functions are needed.
8037 2006-05-08 Roger Sayle <roger@eyesopen.com>
8040 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8041 of a reg_equiv_constant if the result is a legitimate constant.
8043 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8046 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8047 standard 80387 constants, raise the cost to prevent
8048 compress_float_constant() to generate load from memory.
8050 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8052 * config/arm/constraints.md (c): Fix a typo.
8054 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8057 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8060 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8062 (_mm_mwait): Likewise.
8064 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8066 (sse3_monitor): Make it 32bit only.
8067 (sse3_monitor64): New. 64bit monitor.
8069 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8072 * config/i386/i386.c (classify_argument): Skip fields with invalid
8075 2006-05-07 Richard Guenther <rguenther@suse.de>
8077 PR tree-optimization/27409
8078 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8079 Do not try to find zero-sized subvars.
8081 2006-05-07 Richard Guenther <rguenther@suse.de>
8083 PR tree-optimization/27136
8084 * tree-ssa-loop-niter.c (get_val_for): Correct function
8085 comment, assert requirements.
8086 (loop_niter_by_eval): Stop processing if the iterated
8087 value did not simplify.
8089 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8091 * opts.c (flag_see): remove its setting at -O3.
8093 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8095 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8096 * arm/constraints.md: New file.
8097 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8098 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8099 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8100 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8101 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8102 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8103 * arm.md: Include constraints.md.
8104 (thumb_movsi_insn): Use satisfies_constraint_J.
8105 (movhi, movqi): Use satisfies_constraint_I.
8107 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8109 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8110 for atmeg a645 device.
8112 2006-05-06 Richard Guenther <rguenther@suse.de>
8114 PR tree-optimization/27151
8115 * tree-vect-transform.c (vectorizable_condition): Punt on
8116 values that have a different type than the condition.
8118 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8121 * c-parser.c (c_parser_cast_expression): Only insert casts into
8122 hash table if pointer.
8123 * function.c (used_types_insert_helper): Rename from
8125 (used_types_insert): Call used_types_insert_helper.
8126 * function.h (used_types_insert): Accept only one argument.
8128 2006-05-05 David Edelsohn <edesohn@gnu.org>
8130 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8131 scratch with output modifier.
8133 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8136 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8137 with output modifier.
8139 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8142 * config/mips/mips.c (mips_symbolic_address_p): Return true
8143 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8144 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8146 2006-05-04 Richard Guenther <rguenther@suse.de>
8148 PR tree-optimization/14287
8149 PR tree-optimization/14844
8150 PR tree-optimization/19792
8151 PR tree-optimization/21608
8152 PR tree-optimization/27090
8153 * tree-ssa-pre.c (try_combine_conversion): New function.
8154 (compute_avail): After constructing the value-handle
8155 expression, use try_combine_conversion to combine NOP_EXPRs
8156 with previous value-handle expressions and use the result if it
8159 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8161 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8163 2006-05-04 Jan Hubicka <jh@suse.cz>
8166 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8168 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8170 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8171 that this only matches CONST_INTs. All users changed to VOIDmode
8174 * config/bfin/bfin.c: Include "optabs.h".
8175 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8177 (enum bfin_builtins): Add a number of fractional and vector builtins.
8178 (bfin_init_builtins): Likewise.
8179 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8180 (safe_vector_operand, bfin_expand_binop_builtin,
8181 bfin_expand_unop_builtin): New functions.
8182 (bfin_expand_builtin): Handle the new builtins.
8183 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8186 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8189 * Makefile.in (OBJS-common): Add see.o.
8190 (see.o): Add dependencies.
8191 * common.opt (fsee): New flag for the see optimization was added.
8192 * opts.c (flag_see): Initialized.
8193 * passes.c (init_optimization_passes, pass_see): New pass.
8194 * rtl.h (see_main): Declaration as extern.
8195 * timevar.def (TV_SEE): New.
8196 * tree-pass.h (pass_see): Declaration as extern.
8197 * invoke.texi (-fsee): Document.
8198 * recog.c (validate_simplify_insn): New function.
8199 * recog.h (validate_simplify_insn): Declaration as extern.
8200 * df-problems.c (df_chain_dump): Check for NULL.
8202 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8203 Daniel Berlin <dberlin@dberlin.org>
8205 * cfgrtl.c (insert_insn_bb_end_new): New function.
8206 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8208 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8210 * df.h (struct web_entry): Moved from web.c.
8211 (union_defs): Declaration as extern.
8212 (unionfind_root): Likewise.
8213 (unionfind_union): Likewise.
8214 * web.c (struct web_entry): Moved to df.h.
8215 (unionfind_root): Remove static declaration.
8216 (unionfind_union): Likewise.
8217 (union_defs): Likewise and generalize to use callback function.
8218 (web_main): Update arguments for union_defs function call.
8220 2006-05-04 Richard Guenther <rguenther@suse.de>
8222 PR tree-optimization/26447
8223 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8224 produce SSA_NAME copies before the store stmt to avoid
8225 breaking exception handling.
8227 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8230 * gimplify.c (omp_is_private): If var is shared in some outer context,
8231 return false instead of true. Stop searching on parallel context
8234 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8237 * coverage.c: Use get_gcov_unsigned_t() instead of
8238 unsigned_type_node all over.
8240 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8242 PR tree-optimization/27381
8243 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8244 maintain the same immediate_use links.
8245 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8246 node rather than segfaulting.
8248 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8251 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8252 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8253 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8255 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8257 Fix PR tree-optimization/26626
8258 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8260 * tree-ssa-operands.c (access_can_touch_variable): Allow
8261 typecasting through union pointers.
8263 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8266 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8267 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8268 to find if var will be a global variable even in the nested context.
8269 (omp_copy_decl): Only check for global variable at the end, it might
8270 be overridden in outer contexts.
8271 (scan_sharing_clauses): For global variables don't create a field.
8272 (lower_rec_input_clauses): Do nothing for global shared variables.
8273 Emit a barrier at the end of ILIST if there were any decls in both
8274 firstprivate and lastprivate clauses.
8275 (lower_send_clauses): Do nothing for global variables except for
8278 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8280 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8281 of the correct signedness is returned.
8283 2006-05-02 Jeff Law <law@redhat.com>
8285 PR tree-optimization/27364
8286 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8287 multiply expressions.
8289 2006-05-02 Tom Tromey <tromey@redhat.com>
8291 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8293 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8296 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8297 -mthumb -fPIC are used.
8299 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8300 Joshua Kinard <kumba@gentoo.org>
8303 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8304 with 64-bit pointers.
8306 2006-05-02 Paul Brook <paul@codesourcery.com>
8308 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8310 (create_fix_barrier): Check that a suitable barrier location is
8312 (arm_reorg): Include ftmp->address in allowable range of addresses.
8314 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8317 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8320 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8323 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8324 around RESULT_DECL for result passed by reference.
8325 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8326 * omp-low.c (use_pointer_for_field): Don't look at
8327 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8328 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8329 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8330 time or var for passing by reference for
8331 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8332 TREE_ADDRESSABLE variables when passing by reference.
8334 * omp-low.c (dump_omp_region): Fix output formatting.
8337 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8338 (expand_omp_parallel): Likewise.
8339 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8342 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8343 on statement list containing also constructors and destructors.
8344 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8347 * except.c (duplicate_eh_regions): Fix clearing of
8348 cfun->eh->region_array entries.
8350 2006-05-01 DJ Delorie <dj@redhat.com>
8352 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8354 (gcc_cv_objdump): Likewise.
8355 * configure: Regenerated.
8357 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8360 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8361 templates for case 3 and 4.
8363 2006-05-01 DJ Delorie <dj@redhat.com>
8365 * vec.c: Include bconfig.h when appropriate.
8366 * Makefile.in (build/vec.o): Adjust dependencies.
8367 * mkconfig.sh: Make sure config.h isn't used for build machine
8370 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8372 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8374 (mark_phi_for_rewrite): New function.
8375 (insert_phi_nodes_for, mark_use_interesting): Call
8376 mark_phi_for_rewrite.
8377 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8378 (update_ssa): Initialize and free phis_to_rewrite.
8380 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8382 PR rtl-optimization/27291
8383 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8384 folded to a constant.
8386 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8388 PR tree-optimization/27283
8389 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8390 not whole # of iteration descriptions.
8391 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8392 uses abnormal ssa name.
8393 (niter_for_single_dom_exit): Ditto.
8394 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8395 return just the number of iterations.
8397 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8399 PR tree-optimization/27144
8400 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8401 (record_estimate): Only record constant upper bound.
8402 (infer_loop_bounds_from_undefined): Call
8403 compute_estimated_nb_iterations just once.
8404 (proved_non_wrapping_p): Renamed to ...
8405 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8406 (convert_step_widening, scev_probably_wraps_p): Call
8407 n_of_executions_at_most instead of proved_non_wrapping_p.
8408 (substitute_in_loop_info): Do not replace values in bounds.
8409 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8412 2006-05-01 Richard Henderson <rth@redhat.com>
8415 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8416 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8419 2006-05-01 Roger Sayle <roger@eyesopen.com>
8421 * c-typeck.c (parser_build_binary_op): Don't call the function
8422 unsigned_conversion_warning to spot operand/result type overflow.
8423 (build_binary_op): Instead, call convert_and_check instead of
8424 convert to report the problem when the operands are promoted.
8425 * c-common.c (unsigned_conversion_warning): Make static.
8426 * c-common.h (unsigned_conversion_warning): Delete prototype.
8428 2006-05-01 Richard Guenther <rguenther@suse.de>
8430 PR tree-optimization/26726
8431 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8433 (find_interesting_uses_address): ... we work around here
8434 by folding INDIRECT_REFs in the substituted base.
8436 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8438 * omp-low.c (dump_omp_region): Add newlines.
8440 2006-04-30 Roger Sayle <roger@eyesopen.com>
8442 * common.opt (Woverflow): New command line option.
8443 * c-common.c (constant_expression_warning): Check warn_overflow.
8444 (overflow_waring): Pass OPT_Woverflow to warning.
8445 (unsigned_conversion_warning): Likewise.
8446 (convert_and_check): Likewise.
8447 * doc/invoke.texi: Document new command line option.
8449 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8451 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8452 TARGET_NO_FP_IN_TOC for section anchors.
8453 (optimization_options): Enable section anchors for all
8454 non-"Objective" languages.
8456 2006-04-28 Eric Christopher <echristo@apple.com>
8458 * config/darwin-c.c (darwin_ms_struct): Move this
8459 (darwin_set_default_type_attributes): and this...
8460 * config/darwin.c: ... here.
8461 * config/darwin.h (darwin_ms_struct): Declare.
8463 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8467 2006-04-28 Roger Sayle <roger@eyesopen.com>
8470 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8471 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8472 an unsigned HOST_WIDE_INT.
8473 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8475 (really_start_incremental_init): No need to call convert because
8476 bitsize_zero_node is already of type bitsizetype.
8477 (push_init_level): Extract the value of constructor_index as an
8478 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8479 (process_init_element): Likewise.
8481 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8483 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8484 value before passing to make_relative_prefix.
8486 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8489 * builtins.c (expand_builtin_memset): Expand val in original mode.
8491 2006-04-27 Eric Christopher <echristo@apple.com>
8493 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8494 with #ifndef/#endif.
8495 * config/darwin-c.c (darwin_ms_struct): New.
8496 (darwin_pragma_ms_struct): Ditto.
8497 (darwin_set_default_type_attributes): Ditto.
8498 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8499 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8500 Register ms_struct pragma.
8501 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8502 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8503 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8504 darwin_set_default_type_attributes if TARGET_MACHO.
8506 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8508 PR tree-optimization/26854
8509 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8510 * doc/tree-ssa.texi: Update immuse iterator documentation.
8511 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8513 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8514 first_safe_imm_use, next_safe_imm_use): Remove.
8515 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8516 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8517 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8518 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8519 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8520 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8521 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8522 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8523 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8524 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8525 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8526 (perfect_nestify): Use new iterator.
8527 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8529 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8530 (next_imm_name): New field in struct immediate_use_iterator_d.
8531 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8532 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8533 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8534 * tree-cfg.c (replace_uses_by): Use new iterator.
8535 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8536 * tree-ssa-operands.c (correct_use_link): Remove.
8537 (finalize_ssa_use_ops): No longer call correct_use_link.
8539 2006-04-27 Stuart Hastings <stuart@apple.com>
8541 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8542 * config/t-darwin (crt3.o): Use it.
8543 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8544 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8545 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8546 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8547 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8550 2006-04-27 Roger Sayle <roger@eyesopen.com>
8552 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8553 size, force the intermediate into a new pseudo rather instead of
8554 performing both a bitwise AND and a bitwise IOR in memory.
8556 2006-04-27 Richard Guenther <rguenther@suse.de>
8558 PR rtl-optimization/26685
8559 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8560 this one "max-flow-memory-locations".
8562 2006-04-27 Richard Guenther <rguenther@suse.de>
8564 PR tree-optimization/25148
8565 * tree-vrp.c (compare_values): Remove code dealing with
8566 comparisons against type min/max value. Honour overflow
8567 and negative constants in code dealing with comparisons
8568 of plus and minus expressions.
8569 (value_inside_range): Use fold_binary with LE_EXPR and
8570 GE_EXPR rather than compare_values.
8572 2006-04-27 Dirk Mueller <dmueller@suse.de>
8574 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8577 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8579 * basic-block.h (safe_insert_insn_on_edge): Removed.
8580 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8582 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8583 Paolo Bonzini <bonzini@gnu.org>
8586 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8587 (simplify_and_const_int): Same.
8589 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8591 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8593 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8596 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8597 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8598 cgraph_global_info_ready.
8601 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8604 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8605 either decl or init is error_mark_node.
8608 * tree-flow.h (struct omp_region): Add sched_kind.
8609 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8610 instead of extracting omp for data.
8611 (expand_omp_for): Save extracted sched_kind.
8613 2006-04-25 Roger Sayle <roger@eyesopen.com>
8615 * expmed.c (store_bit_field): Also check whether the bitsize is
8616 valid for the machine's "insv" instruction before moving the
8617 target into a pseudo for use with the insv.
8618 * config/i386/predicates.md (const8_operand): New predicate.
8619 * config/i386/i386.md (extv, extzv, insv): Use the new
8620 const8_operand predicate where appropriate.
8622 2006-04-25 DJ Delorie <dj@redhat.com>
8624 * doc/install.texi (Specific): Clarify that this is not a list of
8625 supported hosts or targets.
8627 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8629 PR rtl-optimization/26725
8630 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8631 block's BB_DIRTY flag.
8633 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8635 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8638 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8639 to print an integer.
8641 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8643 * varasm.c (align_variable): New function.
8644 (get_block_for_decl): Apply align_variable to DECL before
8645 calculating section information.
8646 (assemble_variable): Split out alignment computation.
8648 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8650 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8653 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8655 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8656 MODE_PARTIAL_INT mode.
8657 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8658 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8660 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8661 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8663 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8665 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8667 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8668 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8669 MACFLAG_IH): Likewise.
8670 (movstricthi_1): Renamed from "*movstricthi".
8671 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8672 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8673 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8674 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8675 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8676 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8677 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8678 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8679 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8680 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8681 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8682 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8683 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8684 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8685 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8687 * doc/rtl.texi (ss_ashift): Improve wording.
8689 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8691 * dwarf2out.c (verify_marks_clear): New.
8692 (prune_unused_types): Call verify_marks_clear initially, not
8695 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8697 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8698 * doc/rtl.texi: Document them.
8699 * simplify-rtx.c (simplify_unary_operation,
8700 simplify_binary_operation_1): Don't abort when we see them.
8702 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8705 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8706 * configure.ac: Completely disregard languages that are not
8708 * configure: Regenerated.
8710 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8711 Richard Guenther <rguenther@suse.de>
8713 PR tree-optimization/27236
8714 * tree-inline.c (copy_body_r): Make sure to copy
8715 TREE_THIS_VOLATILE flag.
8717 2006-04-24 Richard Guenther <rguenther@suse.de>
8720 * tree-complex.c (update_parameter_components): Don't handle
8721 unused parameters which have no default def.
8723 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8724 Richard Guenther <rguenther@suse.de>
8726 PR tree-optimization/27218
8727 * tree-inline.c (expand_call_inline): Strip useless type
8728 conversions for the return slot address.
8730 2006-04-24 Richard Guenther <rguenther@suse.de>
8732 * cfgloop.h (struct loops): Remove unused field array. Reorder
8734 (LOOP_PREFETCH): Remove.
8736 2006-04-24 Richard Guenther <rguenther@suse.de>
8738 PR tree-optimization/22525
8739 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8740 variable, adjust types of generated expressions.
8742 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8744 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8745 (tree-vect-patterns.o): Likewise.
8747 (cselib.o): Likewise.
8748 (loop-doloop.o): Likewise.
8749 (regclass.o): Likewise.
8750 (reload1.o): Likewise.
8751 (explow.o): Replace target.h with $(TARGET_H).
8752 (ipa-prop.o): Likewise.
8753 (ipa-cp.o): Likewise.
8754 (ipa-inline.o): Likewise.
8755 (reorg.o): Likewise.
8756 (reg-stack.o): Likewise.
8758 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8760 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8762 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8764 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8766 * configure.ac: Completely disregard languages that are not
8768 * configure: Regenerated.
8771 * c-common.h (c_build_bitfield_integer_type): Declare.
8772 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8773 * c-common.c (c_build_bitfield_integer_type): ... here.
8775 2006-04-23 Roger Sayle <roger@eyesopen.com>
8778 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8779 a SImode SUBREG of a floating point register after no_new_pseudos.
8781 2006-04-23 Roger Sayle <roger@eyesopen.com>
8783 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8784 identify potentially eliminable registers to additionally catch
8785 VIRTUAL_INCOMING_ARGS_REGNUM.
8786 (addsi3): Update the conditions on when to use addsi_small_int.
8788 2006-04-23 Roger Sayle <roger@eyesopen.com>
8791 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8792 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8793 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8795 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8797 * fold-const.c (range_predecessor): Use operand_equal_p
8798 as the predicate for equality.
8799 (range_successor): Likewise.
8801 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8804 * config/soft-fp/op-common.h: Fix a typo.
8806 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8809 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8810 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8812 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8814 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8816 * doc/tm.texi: Fix a typo.
8818 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8820 * dwarf2out.c (struct die_struct): Document that die_sib makes
8821 a circular linked list.
8822 (FOR_EACH_CHILD): New.
8823 (reverse_die_lists): Delete.
8824 (reverse_all_dies): Delete.
8825 (add_dwarf_attr): Correct documentation.
8826 (remove_child_with_prev): New.
8827 (remove_child_TAG): Update for change to die_struct, use
8828 remove_child_with_prev.
8829 (add_child_die): Update for change to die_struct.
8830 (splice_child_die): Use remove_child_with_prev and add_child_die.
8831 (print_die): Use FOR_EACH_CHILD.
8832 (die_checksum): Likewise.
8833 (assign_symbol_names): Likewise.
8834 (output_location_lists): Likewise.
8835 (build_abbrev_table): Likewise.
8836 (calc_die_sizes): Likewise.
8837 (mark_dies): Likewise.
8838 (unmark_dies): Likewise.
8839 (unmark_all_dies): Likewise.
8840 (output_die): Likewise.
8841 (prune_unused_types_mark): Likewise.
8842 (prune_unused_types_walk): Likewise.
8843 (same_die_p): Update for change to die_struct.
8844 (break_out_includes): Likewise.
8845 (prune_unused_types_prune): Likewise.
8846 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8847 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8849 (dwarf2out_finish): Don't call reverse_all_dies.
8851 2006-04-21 Eric Christopher <echristo@apple.com>
8853 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8854 in comments and function names.
8856 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8859 * c-typeck.c (digest_init): Robustify.
8861 * c-typeck.c (pop_init_level): Simplify.
8863 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8865 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8867 2006-04-21 Paul Brook <paul@codesourcery.com>
8869 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8870 hardware floating point.
8872 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8874 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8877 2006-04-21 Nick Clifton <nickc@redhat.com>
8879 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8882 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8885 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8886 C++ lang type in traceback table for Objective-C++.
8888 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8890 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8892 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8894 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8897 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8898 were errors. Remove check for erroneous objects.
8900 2006-04-20 Jeff Law <law@redhat.com>
8902 PR tree-optimization/26854
8903 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8904 checking for zero or one use.
8905 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8906 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8907 * tree-ssa-reassoc.c (negate_value): Similarly.
8908 (reassociate_bb): Similarly.
8910 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8912 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8913 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8914 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8916 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8918 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8919 fp regs if the last fp arg doesn't fit in regs.
8921 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8924 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8925 that the last insn has the REG_INC note.
8927 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8928 Nathan Sidwell <nathan@codesourcery.com>
8931 * stor-layout.c (update_alignment_for_field): Do not align
8933 (place_union_field): Place union field at the start of the union.
8934 (place_field): Move ERROR_MARK check later, and use the current
8935 allocation position to maintain monotonicity.
8937 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8939 * dominance.c: Include timevar.h.
8940 (calculate_dominance_info): Use TV_DOMINANCE.
8941 * timevar.def (TV_DOMINANCE): New timevar.
8942 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8944 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8946 PR rtl-optimization/14261
8947 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8948 move would be an INSV insn.
8949 (noce_process_if_block): Don't optimize if the destination is a
8950 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8952 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8954 * config/s390/s390.md: Add comments with the instructions emitted
8955 by an insn pattern if macros are used.
8957 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8959 PR rtl-optimization/26026
8960 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8961 is a known power of two shifted left a variable amount.
8963 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8965 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8966 to hash table twice when the debug_str section has SECTION_MERGE.
8968 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8970 * config/soft-fp: New directory. From glibc.
8971 * config/soft-fp/t-softfp: New.
8972 * config/soft-fp/README: New.
8973 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8974 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8975 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8976 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8977 * config.gcc: Use rs6000/t-fprules-fpbit or
8978 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8980 * config/rs6000/sfp-machine.h: New. Based on glibc.
8981 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8983 * config/rs6000/t-fprules: Remove fp-bit rules.
8984 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8985 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8986 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8987 (softfp_wrap_start, softfp_wrap_end): New.
8989 2006-04-18 DJ Delorie <dj@redhat.com>
8991 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8993 2006-04-18 Devang Patel <dpatel@apple.com>
8995 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8997 2006-04-18 Nick Clifton <nickc@redhat.com>
8999 * config/sh/t-symbian: Add rule to build sh-c.o
9000 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9001 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9002 (sh_symbian_encode_section_info): Likewise.
9004 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9006 * builtins.c (expand_builtin_strcmp): Cover label definition of
9007 do_libcall with HAVE_cmpstrnsi.
9009 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9011 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9013 * function.h (temp_slot_p): New.
9014 (function): Change the type of x_used_temp_slots to
9015 VEC(temp_slot_p,gc) *.
9017 2006-04-18 Nick Clifton <nickc@redhat.com>
9019 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9020 flag_strength_reduce.
9022 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9024 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9028 Partial revert of revision 112637
9029 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9030 Dale Johannesen <dalej@apple.com>
9033 * regclass.c (struct reg_pref): Update documentation.
9034 (regclass): Set prefclass to NO_REGS if memory is the best option.
9035 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9037 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9039 PR tree-optimization/26821
9040 * tree-ssa-math-opts.c (get_constant_one): New.
9041 (insert_reciprocals): Use it.
9043 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9045 * dwarf2out.c (free_AT): Delete.
9046 (remove_AT): Update string ref counts.
9047 (remove_child_TAG): Don't call free_die.
9049 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9050 or DW_TAG_GNU_EINCL.
9051 (prune_unused_types_walk_attribs): Reset string refcounts.
9052 (prune_unused_types_update_strings): New.
9053 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9054 call free_die. Do call prune_unused_types_update_strings.
9055 (prune_unused_types): Empty debug_str_hash.
9057 2006-04-17 Roger Sayle <roger@eyesopen.com>
9059 * expr.c (expand_assignment): Optimize away no-op moves where the
9060 source and destination are equal and have no side-effects.
9062 2006-04-17 Richard Guenther <rguenther@suse.de>
9065 * reload.c (push_reload): Guard calls to get_secondary_mem
9068 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9070 * alias.c (reg_base_value, old_reg_base_value): Change the
9071 type to VEC(rtx,gc) *.
9072 (REG_BASE_VALUE, find_base_value, record_set,
9073 init_alias_analysis): Use VEC instead of VARRAY.
9075 * alias.c (alias_sets): Change the type to
9076 VEC(alias_set_entry,gc) *.
9077 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9078 VEC instead of VARRAY.
9079 (last_alias_set): Remove.
9081 * cgraph.h (cgraph_edge_p): New.
9082 Update the prototype of cgraph_function_versioning.
9083 * cgraphunit.c (cgraph_copy_node_for_versioning,
9084 cgraph_function_versioning): Use VEC instead of VARRAY.
9085 * ipa-cp.c (ipcp_insert_stage): Likewise.
9087 2006-04-16 Roger Sayle <roger@eyesopen.com>
9090 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9091 "A op B" or "A op C", we may need to convert A to the type of B and C.
9093 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9095 * target.h (struct gcc_target): Add mode_rep_extended.
9096 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9097 (init_num_sign_bit_copies_in_rep): Initialize it using
9099 (truncate_to_mode): Use it.
9100 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9101 * targhooks.h (default_mode_rep_extended): Declare it.
9102 * targhooks.c (default_mode_rep_extended): Define it.
9103 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9104 default_mode_rep_extended.
9105 (TARGET_INITIALIZER): Include it.
9106 * doc/tm.texi (Misc): Document it.
9107 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9108 (mips_truncated_to_mode): New function.
9110 2006-04-16 Roger Sayle <roger@eyesopen.com>
9113 * expr.c (compress_float_constant): Copy the narrow constant into
9114 a new pseudo before extending it to its final width.
9116 2006-04-16 Roger Sayle <roger@eyesopen.com>
9117 Andrew Pinski <pinskia@gcc.gnu.org>
9118 Dale Johannesen <dalej@apple.com>
9121 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9122 special case code to implement V8HImode and V16QImode with SSE2.
9124 2006-04-15 Roger Sayle <roger@eyesopen.com>
9126 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9127 trees are constructed with a suitable tree type.
9129 2006-04-15 Roger Sayle <roger@eyesopen.com>
9131 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9132 (integer_onep): Likewise.
9133 (integer_all_onesp): Likewise.
9134 (integer_pow2p): Likewise.
9135 (integer_nonzerop): Likewise.
9136 (real_zerop): Likewise.
9137 (real_onep): Likewise.
9138 (real_twop): Likewise.
9139 (real_minus_onep): Likewise.
9140 (int_size_in_bytes): Likewise.
9141 (host_integerp): Likewise.
9143 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9145 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9146 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9147 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9149 * tree-ssa-structalias.h (alias_info): Remove num_references.
9151 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9153 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9154 (output_bvb patterns): Likewise.
9155 * pa.c (output_bb): Use 'bb' insn for long branch case.
9156 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9157 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9158 1. Correct length operand for alternatives 1 and 2.
9159 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9160 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9162 2006-04-14 Roger Sayle <roger@eyesopen.com>
9164 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9165 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9166 were accidentally reverted by r112959.
9168 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9171 * except.h (eh_region_outermost): New prototype.
9172 * except.c (eh_region_outermost): New function.
9173 * tree-cfg.c (find_outermost_region_in_block): Use it.
9175 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9177 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9179 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9180 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9181 (init_reload, reload): Use VEC instead of VARRAY.
9182 * reload.h: Update the prototype for
9183 reg_equiv_memory_loc_varray.
9185 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9186 Eric Botcazou <ebotcazou@libertysurf.fr>
9188 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9191 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9194 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9195 to expand fallback builtin function call.
9197 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9200 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9201 and emit libcall here in case the builtin fails.
9202 (expand_builtin_strcmp): Always emit the libcall here on failure.
9204 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9206 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9207 * flow.c (reg_n_info): Change the type to
9208 VEC(reg_info_p,heap) *.
9209 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9211 * regs.h (reg_info_p): New.
9212 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9213 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9214 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9217 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9219 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9221 * params.h (MAX_SCHED_READY_INSNS): New macro.
9222 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9223 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9224 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9225 the ready list for 1 cycle during the first scheduling pass.
9226 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9228 2006-04-13 Richard Henderson <rth@redhat.com>
9231 * gimple-low.c (lower_omp_directive): Remove dead code.
9232 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9233 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9234 * omp-low.c (struct omp_region): Move to tree-flow.h.
9235 (root_omp_region): Export.
9236 (omp_regions, lookup_omp_region): Remove.
9237 (determine_parallel_type): Update for struct omp_region changes.
9238 (dump_omp_region): Dump regions with block numbers.
9239 (new_omp_region): Take type and block instead of stmt; malloc
9241 (free_omp_region_1, free_omp_regions): New.
9242 (expand_parallel_call): Take entry_stmt as argument; update for
9243 changes to omp_region.
9244 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9245 (remove_exit_barriers): New.
9246 (expand_omp_parallel): Update for struct omp_region changes.
9247 (expand_omp_synch): Likewise.
9248 (expand_omp): Likewise.
9249 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9250 (expand_omp_for_static_chunk): Likewise.
9251 (expand_omp_for): Likewise.
9252 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9253 (expand_omp_sections): Similarly, with GOMP_sections_end.
9254 (expand_omp_single): New.
9255 (build_omp_regions_1): Update for OMP_CONTINUE.
9256 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9257 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9258 OMP_SECTIONS_SECTIONS.
9259 (lower_omp_single_simple): Don't emit barrier here.
9260 (lower_omp_single_copy): Likewise.
9261 (lower_omp_single): Fix bindings, and lower to straightline now.
9262 (lower_omp_master, lower_omp_ordered): Likewise.
9263 (lower_omp_critical): Likewise.
9264 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9265 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9266 omp edges, free it afterward.
9267 (make_omp_sections_edges): Remove.
9268 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9269 (move_stmt_r): Handle OMP_CONTINUE.
9270 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9271 statement pointers to basic blocks. Add type member.
9272 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9273 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9274 * tree-inline.c (estimate_num_insns_1): Likewise.
9275 * tree-pretty-print.c (dump_generic_node): Likewise.
9276 * tree-ssa-operands.c (get_expr_operands): Likewise.
9277 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9278 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9279 (OMP_CONTINUE): New.
9280 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9281 (OMP_SECTIONS_SECTIONS): Remove.
9282 (OMP_SECTION_LAST): New.
9283 (OMP_RETURN_NOWAIT): New.
9285 2006-04-13 Roger Sayle <roger@eyesopen.com>
9287 * fold-const.c (native_encode_vector, native_interpret_real):
9288 Correct obvious mistakes in the previous check-in.
9290 2006-04-13 Roger Sayle <roger@eyesopen.com>
9292 * fold-const.c (native_encode_expr): New function to encode
9293 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9294 or VECTOR_CST into a specified buffer.
9295 (native_encode_int): New function.
9296 (native_encode_real): New function.
9297 (native_encode_complex): New function.
9298 (native_encode_vector): New function.
9299 (native_interpret_expr): Inverse of native_encode_expr to convert
9300 a target representation into an INTEGER_CST, REAL_CST etc...
9301 (native_interpret_int): New function.
9302 (native_interpret_real): New function.
9303 (native_interpret_complex): New function.
9304 (native_interpret_vector): New function.
9305 (fold_view_convert_expr): New function to constant fold/evaluate
9306 a VIEW_CONVERT_EXPR of a suitable constant expression.
9307 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9308 Change call of build1 to fold_build1 when constructing a
9311 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9312 Ulrich Weigand <uweigand@de.ibm.com>
9315 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9318 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9321 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9322 optimize to lo_sum for DFmode if !TARGET_FPRS.
9324 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9326 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9327 delete_alias_info, compute_flow_sensitive_aliasing,
9328 group_aliases): Use VEC instead of VARRAY.
9329 * tree-ssa-structalias.c (update_alias_info): Likewise.
9330 * tree-ssa-structalias.h (alias_info): Change the type of
9331 processed_ptrs to VEC(tree,heap) *.
9333 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9336 * config/sh/lib1funcs.h: New file, broken out of:
9337 * config/sh/lib1funcs.asm.
9338 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9340 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9341 * config/sh/lib1funcs-Os-4-200.asm: New file.
9342 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9343 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9344 (EXTRA_MULTILIB_PARTS): Include it.
9345 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9346 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9347 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9348 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9351 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9353 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9354 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9355 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9357 * tree-ssa-live.h: Include vecprim.h.
9358 (tree_partition_associator_d): Change the type of
9359 first_partition to VEC(int,heap) *.
9360 (tpa_first_partition): Use VEC instead of VARRAY.
9362 * Makefile.in (GTFILES): Move functions.h after tree.h.
9363 * function.c (reset_block_changes, record_block_change,
9364 check_block_change, free_block_changes): Use VEC instead of
9366 * function.h (function): Change the type of
9367 ib_boundaries_block to VEC(tree,gc) *.
9368 * tree-inline.c (copy_cfg_body): Initialize
9369 ib_boundaries_block to NULL instead of (varray_type) 0.
9371 2006-04-12 Roger Sayle <roger@eyesopen.com>
9373 * expr.c (emit_group_store): Correct operand order in call to
9374 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9375 a SUBREG_BYTE of zero.
9377 2006-04-12 Richard Guenther <rguenther@suse.de>
9379 * profile.c (compute_branch_probabilities): Remove code
9380 encapsulated in !ir_type (), which are remanents of the
9381 removed RTL profiling code.
9382 * rtl-profile.c: Remove.
9384 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9386 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9387 magic NULL_RTX comment.
9388 (function_arg): Store entire fp arg to mem if any part should go
9390 (rs6000_arg_partial_bytes): Adjust for above change.
9392 2006-04-11 Roger Sayle <roger@eyesopen.com>
9394 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9395 if it hasn't been initialized by dwarf2out_init.
9397 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9399 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9400 symbolic constants in branch patterns.
9402 2006-04-11 Roger Sayle <roger@eyesopen.com>
9404 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9406 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9408 PR rtl-optimization/27073
9409 * gcse.c (try_replace_reg): Revert last change. Continue to search
9410 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9413 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9415 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9416 aggregate types other than record and union types.
9417 (function_arg): Likewise.
9418 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9420 (function_value): In 64-bit mode, return objects that require it
9423 2006-04-11 Roger Sayle <roger@eyesopen.com>
9425 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9427 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9429 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9431 2006-04-03 Jeff Law <law@redhat.com>
9434 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9435 alias information too.
9437 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9439 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9441 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9444 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9445 (premark_used_types_helper): New.
9446 (premark_used_types): New.
9447 (gen_subprogram_die): Call premark_used_types.
9448 (prune_unused_types_walk): Do not prune perennial dies.
9449 * function.c (used_types_insert): New.
9450 * function.h (struct function): Add used_types_hash field.
9451 (used_types_insert): Add prototype.
9452 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9453 * c-parser.c (c_parser_cast_expression): Save casted types in used
9456 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9459 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9460 rs6000_explicit_options.float_gprs.
9462 2006-04-10 Roger Sayle <roger@eyesopen.com>
9464 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9465 from ix86_expand_vector_init_low_nonzero. Take an additional
9466 one_var argument indicating which element is non-zero. Support
9467 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9468 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9469 with one_var instead of ix86_expand_vector_init_low_nonzero.
9471 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9473 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9474 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9475 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9476 build/genextract.o): Depend on vecprim.h.
9477 * cfglayout.c, df-problems.c, function.c, genextract.c,
9478 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9479 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9483 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9485 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9486 Declare VECs of this type.
9487 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9488 (remove_children): Delete.
9489 (add_dwarf_attr): Use VEC routines.
9490 (add_AT_flag): Update for changes to add_dwarf_attr.
9491 (add_AT_int): Likewise.
9492 (add_AT_unsigned): Likewise.
9493 (add_AT_long_long): Likewise.
9494 (add_AT_vec): Likewise.
9495 (add_AT_string): Likewise.
9496 (add_AT_die_ref): Likewise.
9497 (add_AT_fde_ref): Likewise.
9498 (add_AT_loc): Likewise.
9499 (add_AT_loc_list): Likewise.
9500 (add_AT_addr): Likewise.
9501 (add_AT_lbl_id): Likewise.
9502 (add_AT_lineptr): Likewise.
9503 (add_AT_macptr): Likewise.
9504 (add_AT_offset): Likewise.
9505 (add_AT_range_list): Likewise.
9506 (get_AT): Use VEC_iterate.
9507 (remove_AT): Use VEC_ordered_remove.
9508 (free_die): Fold remove_children into here; have it use VEC_iterate.
9509 (print_die): Use VEC_iterate on attrs.
9510 (reverse_die_lists): Don't reverse attr lists.
9511 (die_checksum): Use VEC_iterate on attrs.
9512 (same_die_p): Likewise.
9513 (output_location_lists): Likewise.
9514 (build_abbrev_table): Likewise.
9515 (size_of_die): Likewise.
9516 (unmark_all_dies): Likewise.
9517 (output_abbrev_section): Likewise.
9518 (output_die): Likewise.
9519 (prune_unused_types_walk_attribs): Likewise.
9521 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9523 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9525 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9528 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9530 2006-04-09 Roger Sayle <roger@eyesopen.com>
9532 * expr.c (store_constructor): Don't bother clearing target if
9533 we're about to assign a vector to it using vec_init_optab.
9535 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9537 * tree-ssa-alias.c (lhs_may_store_to): New function.
9538 (recalculate_used_alone): Handle LHS of calls.
9540 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9544 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9545 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9546 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9547 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9548 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9549 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9550 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9551 stubs. Add ".align 8" directives before all ".dword" directives.
9552 (GTHREAD_USE_WEAK): Revise comment.
9553 (TARGET_ATTRIBUTE_WEAK): Define.
9554 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9555 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9556 * stublib.c: New file.
9561 * pa.md (cbranch patterns): Revise arguments used in calls to
9562 output_cbranch, output_bb and output_bvd. Add long branch length
9564 (fbranch patterns): Handle long branches.
9565 (jump): Revise length check. Revise arguments for output_lbranch call.
9566 Add long branch length attributes.
9567 (decrement_and_branch_until_zero): Add long branch length attributes.
9568 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9569 Likewise. Revise arguments for output_parallel_addb and
9570 output_parallel_movb calls.
9571 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9572 output_parallel_movb and output_parallel_addb): Update prototypes.
9573 * pa.c (output_cbranch): Revise arguments. Correct handling of
9574 nullification in long branches.
9575 (output_lbranch): Add new argument to control extraction of delay
9577 (output_bb): Handle long branches.
9578 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9579 output_parallel_addb): Likewise.
9581 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9583 PR rtl-optimization/27073
9584 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9587 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9589 * tree.h (tree_memory_tag): Add old_used_alone.
9590 (SMT_OLD_USED_ALONE): New macro.
9591 * tree-ssa-alias.c (recalculate_used_alone): Stop
9592 marking things for renaming unnecessarily.
9594 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9596 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9597 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9598 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9599 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9600 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9601 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9602 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9603 spelling convensions.
9604 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9605 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9606 typos. Follow spelling conventions.
9608 2006-04-07 DJ Delorie <dj@redhat.com>
9610 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9611 passed on the stack.
9612 (m32c_init_cumulative_args): When a function returns a structure,
9613 always pass the pointer to that return area on the stack.
9614 (m32c_function_arg_advance): Don't increment the parameter number
9615 if we're processing the returned structure pointer.
9616 (pushm_info): Reverse order of registers.
9618 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9620 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9621 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9622 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9623 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9625 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9626 chrec_fold_multiply): Same.
9627 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9628 force_expr_to_var_cost): Same.
9629 * tree-mudflap.c (mf_xform_derefs_1): Same.
9630 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9632 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9634 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9635 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9638 2006-04-07 Jan Hubicka <jh@suse.cz>
9640 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9642 2006-04-07 Richard Guenther <rguenther@suse.de>
9644 PR tree-optimization/26135
9645 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9646 loads for store copy-prop.
9647 (copy_prop_visit_stmt): Likewise.
9649 2006-04-05 Robert Millan <robertmh@gnu.org>
9651 * config/i386/linux.h: Add a comment to mark macros that are
9652 being overriden in config/k*bsd-gnu.h.
9653 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9655 * config/knetbsd-gnu.h: Ditto.
9657 2006-04-06 Jan Hubicka <jh@suse.cz>
9661 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9664 2006-04-06 Mike Stump <mrs@apple.com>
9666 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9667 for HAVE_nonlocal_goto to be consistent.
9668 (expand_builtin_nonlocal_goto): Likewise.
9669 (expand_builtin_strcmp): Use #ifdef instead of #if
9670 for HAVE_cmpstrnsi to be consistent.
9672 2006-04-05 DJ Delorie <dj@redhat.com>
9674 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9677 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9679 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9680 got-relative addressing for anything but SImode.
9682 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9683 even if the calling function doesn't modify them.
9685 2006-04-05 Richard Guenther <rguenther@suse.de>
9687 PR tree-optimization/26919
9688 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9689 to cgraph_estimate_size_after_inlining.
9691 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9693 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9695 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9697 PR tree-optimization/26996
9698 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9699 VECTOR_TYPE variables.
9701 2006-04-05 Richard Guenther <rguenther@suse.de>
9703 PR tree-optimization/26763
9704 * fold-const.c (fold_comparison): Move folding of
9705 PTR + CST CMP PTR + CST ...
9706 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9708 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9710 * doc/install.texi (Prerequisites): Refine some wording on
9711 bootstrapping and ksh.
9712 Move the version numbers of DejaGnu here from the testing section
9713 and fix casing of names.
9714 Fix markup and clarify wording for autogen requirements.
9715 Refer to GCJ instead of just java.
9716 Refer to SVN instead of CVS.
9717 Describe diffutils as useful instead of necessary.
9718 (Downloading the source): Refer to SVN instead of CVS.
9719 Adjust a link to our web site accordingly.
9720 (Configuration): Fix casing of Bison.
9721 (Building): Refer to SVN instead of CVS.
9722 Fix a sentence on the use of Bison and remove duplicate (and
9723 incorrect) version number of Bison requirement.
9724 Remove one redundant list of packages needed for building.
9725 (Specific): Avoid reference to CVS.
9727 2006-04-04 Eric Christopher <echristo@apple.com>
9729 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9730 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9731 (rs6000_handle_struct_attribute): New.
9732 (rs6000_ms_bitfield_layout_p): Ditto.
9734 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9736 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9737 NULL for dso parameter to atexit_common.
9739 2006-04-04 Eric Christopher <echristo@apple.com>
9741 * config/i386/i386.c (machopic_output_stub): Output \t
9742 between instructions and operands.
9744 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9746 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9747 satisfies_constraint_[IL] to explicit tests on value.
9749 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9751 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9752 set_nb_iterations_in_loop): Use build_int_cst instead of
9754 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9755 build_int_cst instead of convert.
9757 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9759 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9760 new value 2 for incoming.
9761 * function.c (expand_function_start): Call struct_value_rtx
9763 * config/sparc/sparc.md: Comment updated_return.
9764 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9765 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9766 struct return if sparc_std_struct_return and incoming is 2.
9767 (print_operand): Do not adjust return if
9768 sparc_std_struct_return.
9770 2006-04-04 Roger Sayle <roger@eyesopen.com>
9772 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9773 convert in the middle-end.
9774 * expr.c (store_expr, store_constructor, get_inner_reference,
9775 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9777 * tree.c (build_range_type): Likewise.
9779 2006-04-04 Tom Tromey <tromey@redhat.com>
9781 * doc/install.texi (Prerequisites): Mention jar.
9783 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9785 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9788 2006-04-04 Matthias Klose <doko@debian.org>
9790 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9794 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9797 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9799 * doc/extend.texi (Function Attributes): Rewrite visibility
9800 attribute documentation.
9801 * doc/invoke.texi (C++ Dialect Options): Rewrite
9802 -fvisibility-inlines-hidden documentation to describe something
9803 entirely different, although in practise compatible.
9804 (Code Gen Options): Warn about system headers in -fvisibility=
9807 * doc/extend.texi (Other Builtins): Document that
9808 __builtin_nan is a compile-time constant only when its argument
9811 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9813 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9814 trying to remove TRUNCATE check if all bits outside the new mode
9815 are identical to the sign bit.
9817 2006-04-03 Jeff Law <law@redhat.com>
9819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9820 and operand scanning in some common cases.
9822 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9823 Dale Johannesen <dalej@apple.com>
9826 * regclass.c (struct reg_pref): Update documentation.
9827 (regclass): Set prefclass to NO_REGS if memory is the best option.
9828 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9829 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9830 into account. For non-registers, equate an empty preferred
9831 reload class to a `!' in the constraint; move the if clause to
9832 do so after those that reject the insn.
9833 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9835 (find_dummy_reload): Likewise.
9836 * doc/tm.texi (Register Classes): Document what it means
9837 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9838 * config/i386/i386.c (ix86_preferred_reload_class): Force
9839 using SSE registers (and return NO_REGS for floating-point
9840 constants) if math is done with SSE.
9841 (ix86_preferred_output_reload_class): New.
9842 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9843 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9844 * config/i386/i386.md: Remove # register preferences.
9846 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9849 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9850 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9851 the type of nb_iter.
9852 (instantiate_parameters_1): Convert the operands before calling
9853 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9854 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9856 2006-04-02 Roger Sayle <roger@eyesopen.com>
9858 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9859 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9861 * dojump.c (do_jump): Likewise.
9862 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9863 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9864 gimplify_boolean_expr): Likewise.
9865 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9866 * varasm.c (array_size_for_constructor): Likewise.
9867 * tree-object-size.c (compute_object_offset): Likewise.
9869 2006-04-02 Roger Sayle <roger@eyesopen.com>
9872 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9873 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9877 PR tree-optimization/26939
9878 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9882 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9883 at_stmt. Convert the type of operands before calling
9884 build_polynomial_chrec.
9885 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9887 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9888 (instantiate_parameters_1): Convert the type of operands before calling
9889 build_polynomial_chrec.
9890 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9891 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9892 reset_evolution_in_loop): Insert asserts to check the types of the
9894 (chrec_type): Moved...
9895 (eq_evolutions_p): Use operand_equal_p.
9896 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9897 the types of the operands.
9898 (chrec_type): ...here.
9899 * tree-data-ref.c (create_data_ref): Convert the operands before
9900 calling chrec_replace_initial_condition.
9901 (same_access_functions, analyze_subscript_affine_affine,
9902 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9903 (compute_subscript_distance, analyze_ziv_subscript,
9904 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9905 analyze_miv_subscript): Convert the operands before calling
9906 chrec_fold_minus or chrec_fold_plus.
9908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9910 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9911 the dependence_relations vector.
9912 (compute_data_dependences_for_loop): Adjust call to
9913 compute_all_dependences.
9915 2006-04-01 Roger Sayle <roger@eyesopen.com>
9916 Richard Henderson <rth@redhat.com>
9918 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9919 gimple_boolify on the condition before calling gimplify_expr.
9921 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9923 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9924 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9925 the frame size. Update to use the new macros.
9926 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9927 * config/xtensa/ieee754-df.S: Likewise.
9929 2006-03-31 Richard Henderson <rth@redhat.com>
9931 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9932 (make_edges): ... here. Control fallthru creation with a local
9933 variable. Do not play with fake edges.
9934 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9935 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9938 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9940 * dwarf2.h (DW64_CIE_ID): Define.
9941 * dwarf2out.c (DWARF_CIE_ID): Define.
9942 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9943 length header. Use DWARF_CIE_ID.
9944 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9945 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9947 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9949 * config/sh/linux-atomic.asm: New file.
9950 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9952 2006-03-31 DJ Delorie <dj@redhat.com>
9954 * config/m32c/cond.md: Set condition flags properly throughout.
9955 * config/m32c/minmax.md: Likewise.
9956 * config/m32c/prologue.md: Likewise.
9957 * config/m32c/bitops.md: Likewise.
9958 * config/m32c/muldiv.md: Likewise.
9959 * config/m32c/mov.md: Likewise.
9960 * config/m32c/addsub.md: Likewise.
9961 * config/m32c/m32c.md: Likewise.
9962 * config/m32c/jump.md: Likewise.
9963 * config/m32c/shift.md: Likewise.
9965 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9966 conditionally output the pattern for this.
9967 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9968 (m32c_compare_redundant): New.
9969 (m32c_output_compare): New.
9970 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9972 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9973 dest, not src. Allow other 4-byte modes.
9975 2006-03-30 Denis Chertykov <denisc@overta.ru>
9977 * doc/md.texi: Refer to avr/constraints.md instead of
9980 2006-03-30 Roger Sayle <roger@eyesopen.com>
9982 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9983 signed vs. unsigned comparison failures on some hosts.
9985 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9988 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9989 change to FLOAT_REGS.
9991 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9992 (rs6000_override_options): Use it.
9993 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9994 only for -mabi=spe/no-spe and -mabi=altivec.
9996 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9998 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10001 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10003 * Makefile.in: Rename docdir to gcc_docdir.
10005 2006-03-30 Roger Sayle <roger@eyesopen.com>
10008 * expr.c (emit_group_store): Optimize group stores into a pseudo
10009 register by using a paradoxical subreg to initialize the destination
10010 if the first or last member of the group specifies a "low part".
10012 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10015 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10016 * target.h (struct gcc_target.speculate_insn): Change type of the
10017 second parameter to 'int'.
10018 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10019 the second operand of the DEPS_LIST.
10020 (copy_DEPS_LIST_list): Update reference to the second operand of the
10022 * rtl.h (alloc_DEPS_LIST): Update signature.
10023 * sched-int.h (ds_t): Change typedef to 'int'.
10024 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10026 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10028 * haifa-sched.c (try_ready): Change condition to restore
10029 non-speculative pattern of the instruction.
10030 (process_insn_depend_be_in_spec): Code to keep probability of the
10031 speculative dependence non-decreasing.
10033 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10035 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10036 (single_move_for_movmem): ... this. Also change all uses.
10037 (bfin_expand_strmov): Renamed to...
10038 (bfin_expand_movmem): ... this. Also change all uses.
10039 * config/bfin/bfin.md (movstrsi): Renamed to...
10040 (movstrsi): ...this.
10042 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10044 PR tree-optimization/26830
10046 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10047 (copy_prop_visit_stmt): Remove write-only variable ann.
10048 (init_copy_prop): Check variable loop depth here. Do not simulate
10049 memory-tag and virtual operand PHIs except for store copy prop.
10051 2006-03-30 Richard Guenther <rguenther@suse.de>
10053 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10054 variants with double arguments.
10056 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10058 * genpreds.c (write_tm_constrs_h): Delete variable p.
10059 * genconditions.c (write_header): Add tm-constrs.h to included
10061 * genpeep.c (main): Add toplev.h to included headers.
10062 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10063 (build/genpeep.o): Add toplev.h dependency.
10064 * config/rs6000/constraints.md: Add "W" constraint.
10066 2006-03-29 Roger Sayle <roger@eyesopen.com>
10068 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10069 sizes by correctly testing whether the size fits a host integer.
10070 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10071 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10072 SImode range for the default sizetype and bitsizetype.
10074 2006-03-29 Roger Sayle <roger@eyesopen.com>
10076 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10077 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10078 quickly if the argument is already of the correct type.
10079 Call fold_build1 instead of build1. Tidy up blank lines.
10081 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10083 * genemit.c (main): Add tm-constrs.h to included headers.
10084 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10085 * genpeep.c (main): Add tm-constrs.h to included headers.
10086 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10087 (write_tm_constrs_h): this and write complete file.
10088 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10089 (write_insn_preds_c): Add tm-constrs.h to included headers.
10090 (gen_constrs): New variable.
10091 (parse_option): Parse "-c".
10092 (main): Invoke write_tm_constrs_h.
10093 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10094 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10095 (object_out_file): Add tm-constrs.h dependency.
10096 (insn-emit.o): Same.
10097 (insn-output.o): Same.
10098 (insn-peep.o): Same.
10099 (insn-preds.o): Same.
10100 (insn-recog.o): Same.
10101 (tm-constsr.h): New target.
10102 (s-constrs-h): New target.
10104 * config/rs6000/constraints.md: New file.
10105 * config/rs6000/rs6000.c: Include tm-constrs.h.
10106 (num_insn_constant_wide): Convert to satisfies_constraint.
10107 (rs6000_rtx_costs): Convert to satisfies_constraint.
10108 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10109 (CONST_OK_FOR_LETTER_P): Delete.
10110 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10111 (EXTRA_CONSTRAINT): Delete.
10112 (EXTRA_MEMORY_CONSTRAINT): Delete.
10113 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10114 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10115 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10116 satisfies_constraint.
10118 * config/i386/i386.c: Include tm-constrs.h.
10120 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10122 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10123 * tree-data-ref.c (find_data_references_in_loop,
10124 compute_data_dependences_for_loop): Use pointers to VEC.
10125 (analyze_all_data_dependences): Adjust calls.
10126 * tree-data-ref.h (find_data_references_in_loop,
10127 compute_data_dependences_for_loop): Adjust declarations.
10128 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10129 compute_data_dependences_for_loop.
10131 2006-03-29 Paul Brook <paul@codesourcery.com>
10133 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10134 (movdf_vfp): Ditto.
10136 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10138 PR tree-optimization/26859
10139 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10141 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10142 for the step after fold_convert.
10144 2006-03-29 Paul Brook <paul@codesourcery.com>
10146 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10147 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10149 2006-03-29 Paul Brook <paul@codesourcery.com>
10151 PR middle-end/23623
10152 * targhooks.c (default_narrow_bitfield): New fuction.
10153 * targhooks.h (default_narrow_bitfield): add prototype.
10154 * target.h (gcc_target): Add narrow_volatile_bitfield.
10155 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10156 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10157 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10158 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10160 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10162 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10164 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10165 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10166 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10167 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10168 (s390_function_arg_float): Allow SDmode and DDmode values to be
10169 passed in floating point registers.
10170 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10171 check with SCALAR_FLOAT_MODE_P.
10172 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10174 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10176 PR tree-optimization/25985
10177 * tree-ssa-loop-niter.c (number_of_iterations_le,
10178 number_of_iterations_ne): Make comments more precise.
10179 (number_of_iterations_cond): Add only_exit argument. Use the
10180 fact that signed variables do not overflow only when only_exit
10182 (loop_only_exit_p): New.
10183 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10184 number_of_iterations_cond.
10186 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10188 PR tree-optimization/26643
10189 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10192 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10194 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10195 (divsi3_i4_int): Likewise.
10197 2006-03-28 Roger Sayle <roger@eyesopen.com>
10199 * expr.c (emit_group_store): Only create a new pseudo reg if the
10200 quantity it needs to hold isn't already a suitable pseudo.
10202 2006-03-28 Jeff Law <law@redhat.com>
10204 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10205 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10207 2006-03-28 Roger Sayle <roger@eyesopen.com>
10209 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10210 the equivalent ~X & Y, and the symmetry related transformations.
10211 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10212 ~X & Y, and symmetry related transforms.
10214 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10216 Revert my 2006-03-27 patches.
10218 2006-03-28 Roger Sayle <roger@eyesopen.com>
10220 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10221 ~(T1)X, when T1 and T2 are integer types of the same precision
10222 and (T2)X isn't an extension.
10224 2006-03-28 Jeff Law <law@redhat.com>
10226 PR tree-optimization/26796
10227 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10228 need EH edge cleanups rather than purging them immediately.
10229 (eliminate_degenerate_phis): Handle queued EH cleanups.
10231 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10233 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10236 2006-03-27 Roger Sayle <roger@eyesopen.com>
10238 PR middle-end/22524
10239 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10240 cast BIT_NOT_EXPR operand to the correct type.
10242 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10244 * tree-loop-linear.c: Don't include varray.h.
10245 (gather_interchange_stats, try_interchange_loops,
10246 linear_transform_loops): Use VEC instead of VARRAY.
10247 * lambda-mat.c: Don't include varray.h.
10248 * tree-chrec.c: Same.
10249 * lambda-trans.c: Same.
10250 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10251 VEC instead of VARRAY.
10252 * tree-vectorizer.h: Idem.
10253 * tree-data-ref.c (dump_data_references,
10254 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10255 initialize_data_dependence_relation, finalize_ddr_dependent,
10256 compute_all_dependences, find_data_references_in_loop,
10257 compute_data_dependences_for_loop, analyze_all_data_dependences,
10258 free_dependence_relation, free_dependence_relations,
10259 free_data_refs): Idem.
10260 * tree-data-ref.h (data_reference_p, subscript_p): New.
10261 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10262 VEC instead of VARRAY.
10263 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10264 (find_data_references_in_loop, compute_data_dependences_for_loop,
10265 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10266 dump_data_dependence_relations, free_dependence_relations,
10267 free_data_refs): Adjust declaration.
10268 (lambda_transform_legal_p): Move declaration here...
10269 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10270 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10271 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10272 vect_analyze_data_refs): Use VEC instead of VARRAY.
10273 * lambda.h (lambda_transform_legal_p): ...from here.
10274 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10275 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10276 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10277 tree-chrec.o): Don't depend on VARRAY_H.
10279 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10281 * rtl.def (Copyright): Update date.
10282 (DEPS_LIST): Change type of the second operand to 'int'.
10283 * target.h (Copyright): Update date.
10284 (struct gcc_target.speculate_insn): Change type of the second parameter
10286 * lists.c (Copyright): Update date.
10287 (alloc_DEPS_LIST): Change signature. Update reference to the second
10288 operand of the DEPS_LIST.
10289 (copy_DEPS_LIST_list): Update reference to the second operand of the
10291 * rtl.h (Copyright): Update date.
10292 (alloc_DEPS_LIST): Update signature.
10293 * sched-int.h (Copyright): Update date.
10294 (ds_t): Change typedef to 'int'.
10295 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10297 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10299 * haifa-sched.c (Copyright): Update date.
10300 (try_ready): Change condition to restore non-speculative pattern
10301 of the instruction.
10302 (process_insn_depend_be_in_spec): Code to keep probability of the
10303 speculative dependence non-decreasing.
10305 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10307 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10308 shut up the compiler.
10310 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10312 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10313 to use lib prefix for target.
10314 ($(T)libic_invalidate_array_4-200.a): Likewise.
10315 ($(T)libic_invalidate_array_4a.a): Likewise.
10317 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10318 J"orn Rennecke <joern.rennecke@st.com>
10320 * superh.opt: New file.
10321 * sh.c (boardtype, osruntime): Remove.
10322 * superh.h (SUBTARGET_OPTIONS): Remove.
10323 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10325 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10326 arguments with ^ and/or [].
10328 * config.gcc (sh-*-*): Add quoting to account for quirk of
10330 Replace == with = in enable_incomplete_targets test.
10332 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10333 with MASK_LITTLE_ENDIAN.
10335 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10336 * config/sh/sh.opt: Added to some comments.
10337 * config/sh/superh.h: Removed some chaff.
10339 * config/sh/sh.opt: Add m4-[1234]00* options.
10340 * config/sh/sh.c (sh_handle_option): Likewise.
10341 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10342 (ic_invalidate_array_4-100.o): New rule.
10343 ($(T)libic_invalidate_array_4-100.a): Likewise.
10344 (ic_invalidate_array_4-200.o): Likewise.
10345 ($(T)libic_invalidate_array_4-200.a): Likewise.
10346 (ic_invalidate_array_4a.o): Likewise.
10347 ($(T)libic_invalidate_array_4a.a): Likewise.
10348 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10349 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10351 * config/sh/crt1.asm: Merged in profiling code.
10352 * config/sh/superh.h (STARTFILE_SPEC): Override.
10353 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10354 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10355 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10357 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10358 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10359 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10361 * sh.opt (mpretend-cmove): New option.
10362 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10363 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10364 (movsicc): Add TARGET_PRETEND_CMOVE code.
10366 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10368 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10369 s390_class_max_nregs): New function prototypes.
10370 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10371 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10372 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10373 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10375 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10377 * dwarf2out.c (add_location_or_const_value_attribute): Call
10378 tree_add_const_value_attribute if nothing else works.
10379 (reference_to_unused): New.
10380 (rtl_for_decl_init): Use reference_to_unused to decide whether
10381 to output an initializer.
10383 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10386 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10387 peephole removing spe frob_di_df_2.
10389 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10391 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10392 (subscript_dependence_tester_1): Declared.
10393 (print_dir_vectors, print_dist_vectors): New.
10394 (debug_data_dependence_relation): New.
10395 (dump_data_dependence_relation): Print more details.
10396 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10397 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10398 (save_dist_v, save_dir_v, add_outer_distances,
10399 build_classic_dist_vector_1): New.
10400 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10401 Don't test for lambda_vector_lexico_pos.
10402 (same_access_functions, add_multivariate_self_dist,
10403 add_other_self_distances, dir_from_dist): New.
10404 (build_classic_dir_vector): Replace implementation almost identical to
10405 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10407 (subscript_dependence_tester_1): New.
10408 (subscript_dependence_tester): Handle the lexicographically negative
10409 distance vectors by recomputing the dependence relation.
10410 (compute_affine_dependence): Remove parameter loop_nest_depth.
10411 (compute_self_dependence): Don't call compute_subscript_distance.
10412 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10413 Add a parameter for the loop_nest.
10414 (find_loop_nest_1, find_loop_nest): New.
10415 (compute_data_dependences_for_loop): Compute the loop nest, and give
10416 up if the nest is not well formed.
10417 * tree-data-ref.h (loop_p): New.
10418 (struct data_dependence_relation): Replace size_vect field with
10419 loop_nest, a vec of loops.
10420 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10421 (DDR_LOOP_NEST): New.
10422 (print_dir_vectors, print_dist_vectors,
10423 debug_data_dependence_relation): Declared.
10424 (index_in_loop_nest): New.
10425 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10426 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10429 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10431 * simplify-rtx.c (simplify_relational_operation): Call
10432 simplify_relational_operation_1 even if mode is VOIDmode.
10434 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10436 PR tree-optimization/26804
10437 * tree.h (DECL_CALL_CLOBBERED): New macro.
10438 (tree_decl_common): Add call_clobbered_flag.
10439 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10440 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10441 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10442 (mark_non_addressable): Ditto.
10443 * tree-ssa.c (verify_call_clobbered): New function.
10444 (verify_alias_info): Use it.
10445 * tree-pass.h (pass_reset_cc_flags): New prototype.
10446 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10447 (reset_cc_flags): New function.
10448 * passes.c (init_optimization_passes): Call reset_cc_flags after
10449 initializing referenced_vars.
10451 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10452 Roger Sayle <roger@eyesopen.com>
10454 PR middle-end/26717
10455 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10456 to 1.0 for non-real operands. Implement A / A optimization for
10459 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10461 * config/i386/i386.c (size_cost): Correct the comment for
10462 cost of storing fp registers.
10463 (i386_cost): Likewise.
10464 (i486_cost): Likewise.
10465 (pentium_cost): Likewise.
10466 (pentiumpro_cost): Likewise.
10467 (k6_cost): Likewise.
10468 (athlon_cost): Likewise.
10469 (k8_cost): Likewise.
10470 (pentium4_cost): Likewise.
10471 (nocona_cost): Likewise.
10472 (generic64_cost): Likewise.
10473 (generic32_cost): Likewise.
10475 2006-03-24 Denis Chertykov <denisc@overta.ru>
10477 * config/avr/avr-protos.h (extra_constraint): Delete.
10478 (extra_constraint_Q): New declaration.
10479 * config/avr/constraints.md: New file.
10480 * config/avr/avr.md: Include it.
10481 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10482 (TMP_REGNO, ZERO_REGNO): Likewise.
10483 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10484 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10485 (extra_constraint): Delete.
10486 (extra_constraint_Q): Test for memory constraint 'Q'.
10487 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10488 (REG_CLASS_FROM_LETTER): Delete.
10489 (CONST_OK_FOR_LETTER_P): Delete.
10490 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10491 (EXTRA_CONSTRAINT): Delete.
10492 (TMP_REGNO): Delete.
10493 (ZERO_REGNO): Delete.
10495 2006-03-24 Jeff Law <law@redhat.com>
10497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10498 directly. Call mark_new_vars_to_rename slightly earlier.
10500 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10502 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10503 (is_cxx): Likewise.
10504 (gen_compile_unit_die): Use new language types for Objective-C and
10506 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10507 DW_LANG_C_plus_plus.
10510 * config/t-darwin (crt3.o): Work around bug 26840.
10511 * config/darwin-crt3.c: Rewrite.
10512 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10514 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10516 * doc/invoke.texi: Document -femit-class-debug-always
10517 * common.opt: Add -femit-class-debug-always.
10519 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10521 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10522 index and base register.
10523 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10524 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10525 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10526 REGNO_OK_FOR_INDEX_P.
10527 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10529 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10530 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10531 REG_OK_FOR_BASE_P): Definitions removed.
10533 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10535 PR middle-end/26611
10536 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10537 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10538 set yet or weren't marked as local yet.
10540 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10542 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10545 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10547 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10548 (rs6000_legitimate_small_data_p): Delete.
10549 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10550 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10551 and make static. Add forward declaration. Update uses.
10552 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10553 of offsettable_memref_p.
10554 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10555 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10557 2006-03-24 Jeff Law <law@redhat.com>
10559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10560 around bug in immediate-use iterator.
10562 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10565 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10566 or __LITTLE_ENDIAN__.
10568 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10570 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10571 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10572 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10573 * config/sh/sh.opt (mdiv=): Amend description.
10574 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10575 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10576 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10577 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10578 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10579 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10580 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10581 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10582 TARGET_DIVIDE_CALL_FP.
10584 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10586 * haifa-sched.c (choose_ready): Fix type of the local variable.
10587 Move local variables. Add comment.
10588 (check_reg_live): Change signature. Make callable from debugger.
10589 * sched-int.h (check_reg_live): Update signature.
10590 * sched-ebb.c (check_reg_live): Update parameters.
10591 * sched-rgn.c (check_reg_live): Ditto.
10592 (region_head_or_leaf_p): Check pointer before dereferencing.
10593 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10594 before reload on optimization levels below 1.
10596 2006-03-23 Richard Henderson <rth@redhat.com>
10598 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10602 * config/alpha/predicates.md (local_symbolic_operand): Reject
10605 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10608 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10609 expressions which have overflowed constants.
10611 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10613 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10615 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10617 * cfgloopmanip.c (create_loop_notes): Removed.
10618 * final.c (final_scan_insn): Do not handle loop notes.
10619 * jump.c (squeeze_notes): Ditto.
10620 * cfglayout.c (skip_insns_after_block,
10621 duplicate_insn_chain): Ditto.
10622 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10624 * cfgloop.h (create_loop_notes): Declaration removed.
10626 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10628 * varasm.c (output_constant_pool): Restore fnname and fndecl
10630 (assemble_start_function): Adjust call accordingly.
10631 (assemble_end_function): Likewise.
10633 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10636 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10639 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10641 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10644 * system.h (ICE_EXIT_CODE): New macro.
10645 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10646 (diagnostic_action_after_output): Likewise.
10647 * gcc.c (fatal_ice): New function.
10648 (execute): Use it instead of fatal.
10649 (fancy_abort): Likewise.
10650 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10652 2006-03-22 Jeff Law <law@redhat.com>
10654 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10655 iv_analyze_result returning false.
10657 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10659 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10661 2006-03-22 Richard Henderson <rth@redhat.com>
10663 PR middle-end/26084
10664 * except.c (duplicate_eh_regions_0): New.
10665 (duplicate_eh_region_1): Duplicate the children of the node as
10666 well as the node itself. Link them up properly.
10667 (duplicate_eh_region_2): Merge into ...
10668 (duplicate_eh_regions): ... here. Take copy_region argument, and
10669 copy only a sub-tree if asked. Simplify copying and fixup.
10670 (eh_region_outer_p): New.
10671 * except.h (duplicate_eh_regions): Update decl.
10672 (eh_region_outer_p): Declare.
10673 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10674 (lower_omp_master): Likewise.
10675 (lower_omp_ordered): Likewise.
10676 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10677 (move_stmt_r): Use it to remap labels. Handle recursion vs
10678 remap_decls_p properly.
10679 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10680 (find_outermost_region_in_block): New.
10681 (new_label_mapper): New.
10682 (move_sese_region_to_fn): Copy eh information to the new function
10684 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10686 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10689 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10691 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10692 into shared libraries.
10694 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10696 * doc/md.texi: Refer to i386/constraints.md instead of
10697 i386/predicates.md.
10698 * config/i386/constraints.md: New file, extracted from...
10699 * config/i386/predicates.md: ...here.
10700 * config/i386/i386.md: Include constraints.md.
10702 2006-03-21 Jason Merrill <jason@redhat.com>
10704 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10706 PR middle-end/20297
10707 * expr.c (init_block_move_fn): Force default visibility.
10708 (init_block_clear_fn): Likewise.
10709 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10710 * targhooks.c (default_external_stack_protect_fail): Likewise.
10712 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10714 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10715 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10716 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10717 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10718 (loadgp): Use mips_current_loadgp_style.
10719 (loadgp_noshared): New pattern.
10720 (sibcall_internal): Use MIPS_CALL.
10721 (sibcall_value_internal): Likewise.
10722 (sibcall_value_multiple_internal): Likewise.
10723 (call_internal): Likewise.
10724 (call_value_internal): Likewise.
10725 (call_value_multiple_internal): Likewise.
10726 (call_split): Use MIPS_CALL and add an 'S' constraint.
10727 (call_value_split): Likewise.
10728 (call_value_multiple_split): Likewise.
10729 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10730 (-mshared): New option.
10731 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10732 (mips_current_loadgp_style): Declare.
10733 * config/mips/mips.c (mips_classify_symbol): Avoid using
10734 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10735 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10736 TARGET_ABSOLUTE_ABICALLS.
10737 (override_options): Adjust comments. Improve the warning that is
10738 issued when -mabicalls and -G are used together.
10739 (mips_file_start): Remove comment.
10740 (mips_current_loadgp_style): New function.
10741 (mips_gnu_local_gp): New variable.
10742 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10744 (mips_output_function_prologue): Use mips_current_laodgp_style.
10745 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10746 the cprestore instruction.
10747 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10748 live for TARGET_ABSOLUTE_ABICALLS.
10749 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10750 (ASM_SPEC): Pass down -mshared and -mno-shared.
10751 (MIPS_CALL): New macro.
10752 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10754 * doc/invoke.texi (-mabicalls): Update documentation.
10755 (-mshared): Document.
10757 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10759 * config/ia64/unwind-hpux.c: New file.
10760 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10762 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10765 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10767 2006-03-21 Jeff Law <law@redhat.com>
10769 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10770 type conversions of a VR_VARYING source to a wider type.
10772 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10774 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10775 tm_file on Solaris 10 and later.
10776 (sparc64-*-solaris2*): Likewise.
10777 (sparc-*-solaris2*): Likewise.
10778 * config/sol26.h: Rename to config/sol2-6.h.
10779 * config/sol2-10.h: New file.
10781 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10784 * tree-ssa-pre.c (create_component_ref_by_pieces):
10787 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10790 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10791 return it immediately.
10793 2006-03-21 Michael Matz <matz@suse.de>
10795 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10797 (remove_arc, add_arc): Update num_out_arcs member.
10798 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10800 (cache_presence): New function.
10801 (compare_states_for_equiv): New function.
10802 (state_is_differed): Don't take number of outargs, adjust callers.
10803 Use new invariant for speeding up.
10804 (init_equiv_class): Create initial classes based on sorted
10806 (partition_equiv_class): Don't track out_arcs_num.
10807 (evaluate_equiv_classes): Call cache_presence on all states and
10810 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10812 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10813 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10814 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10815 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10817 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10818 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10819 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10820 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10821 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10823 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10824 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10825 (REGNO_REG_CLASS): ARGP is in PREGS.
10826 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10828 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10829 to deal with those addresses.
10830 * addresses.h: New file.
10831 * caller-save.c: Include "addresses.h".
10832 (init_caller_save): Use new base_reg_class function.
10833 * rtl-factoring.c: Include "addresses.h".
10834 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10835 * recog.c: Include "addresses.h".
10836 (preprocess_constraints): Use new base_reg_class function.
10837 * regrename.c: Include "addresses.h".
10838 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10839 functions. Keep track of a new var INDEX_CODE to compute valid
10841 (replace_oldest_value_addr): Likewise.
10842 (replace_oldest_value_mem): Use base_reg_class.
10843 * reload.c: Include "addresses.h".
10844 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10845 (find_reloads): Use new base_reg_class function.
10846 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10847 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10848 all callers and prototype changed.
10849 * reload1.c: Include "addresses.h".
10850 (maybe_fix_stack_asms): Use base_reg_class.
10851 * regclass.c: Include "addresses.h".
10852 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10853 (init_reg_autoinc): Use new base_reg_class function.
10854 (record_reg_classes): Likewise.
10855 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10856 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10857 Use new args to compute necessary class.
10859 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10860 regrename.o, rtl-factoring.o): Update dependencies.
10861 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10862 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10863 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10864 REG_OK_FOR_INDEX_P): Delete documentation.
10866 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10868 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10869 from V7 to V9 for Solaris 7 and above.
10871 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10873 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10874 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10875 argument pointers may not alias any other storage.
10876 * common.opt: Define option -fargument-noalias-anything.
10877 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10878 alias semantics is specified by flag_argument_noalias > 2.
10880 2006-03-20 Jeff Law <law@redhat.com>
10882 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10883 (pass_phi_only_cprop): Declare.
10884 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10885 with phi_only_cprop
10886 * tree-ssa-dom.c (degenerate_phi_result): New function.
10887 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10888 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10889 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10890 (eliminate_degenerate_phis): Likewise.
10891 (pass_phi_only_cprop): New pass descriptor.
10892 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10893 support code. Callers updated.
10894 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10895 (store_copy_prop): Likewise.
10896 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10898 2006-03-20 Jason Merrill <jason@redhat.com>
10901 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10902 (push_visibility, pop_visibility): Likewise.
10903 * c-pragma.h: Declare them.
10905 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10907 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10909 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10910 parameter and use get_ebb_head_tail.
10911 (sh_md_init_global): Adjust uses of find_regmode_weight.
10913 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10915 * function.h (struct function) <x_tail_recursion_reentry>:
10916 Rename to x_stack_check_probe_note.
10917 (tail_recursion_reentry): Rename to stack_check_probe_note.
10918 * function.c: Replace tail_recursion_reentry with
10919 stack_check_probe_note everywhere.
10920 (expand_function_start): Only emit a note for
10921 stack_check_probe_note with -fstack-protect.
10922 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10924 * emit-rtl.c (remove_unnecessary_notes): Remove.
10925 (pass_remove_unnecessary_notes): Remove.
10926 * rtl.h (remove_unnecessary_notes): Remove prototype.
10927 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10928 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10929 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10931 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10934 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10935 (valid_in_set): Handle ARRAY_REF.
10936 Change "if min_variant or VH" to asserts.
10937 (create_component_ref_by_pieces): Handle ARRAY_REF.
10938 (create_expression_by_pieces): Likewise.
10939 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10941 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10943 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10944 is operand of switch, not str[0].
10946 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10948 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10949 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10951 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10953 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10954 end of insn_extra_address_constraint declaration.
10956 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10958 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10959 (no-sum-in-toc): Same.
10960 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10962 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10963 NO_FP_IN_TOC for -fPIC instead of mask.
10965 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10966 (BOOT_LDFLAGS): Delete.
10968 * config/rs6000/t-aix52: Same.
10970 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10971 (stmsi[345678]_power): New.
10973 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10975 * config/ia64/ia64.opt: Add empty line to end of file.
10977 2006-03-17 Richard Guenther <rguenther@suse.de>
10979 PR middle-end/26721
10980 * builtins.c (get_pointer_alignment): For component style references
10981 adjust alignment to the component type alignment. Make sure
10982 to adjust alignment for component access of constants.
10984 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10986 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10987 unconditional jump.
10989 2006-03-17 Paul Brook <paul@codesourcery.com>
10991 * doc/install.texi: Docuemnt --with-mode.
10992 * config.gcc: Add --with-mode for arm*-*-*.
10993 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10995 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10997 * sh.c (max_labelno_before_reorg): New variable.
10998 (sh_reorg): Initialize it.
10999 (find_barrier): Check max_labelno_before_reorg before using
11000 label_to_alignment. Take length of explicit alignment insns
11001 into account. When seeing a UNSPECV_CONST_END, return it.
11003 * sh.c (fixup_mova): Set mode of affected label to QImode.
11004 (untangle_mova): New function.
11005 (find_barrier): Use it. Check mode of label before decrementing
11007 (sh_reorg): Likewise.
11008 Set mode of all insns back to VOIDmode.
11010 * sh.c (MOVA_LABELREF): New macro.
11011 (mova_p, fixup_mova, sh_reorg): Use it.
11012 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11013 ADDR_DIFF_VEC matches mova.
11015 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11017 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11018 with ATTRIBUTE_UNUSED.
11020 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11022 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11023 pointer, instead of assuming it is possible to derive the
11024 correct args size from a call insn.
11026 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11028 * rtl.h (CONST_INT_P): Define.
11029 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11030 instead of GET_CODE(x) == CONST_INT.
11031 (vax_rtx_costs): Likewise.
11032 (vax_output_int_move): Likewise.
11033 (vax_output_int_add): Likewise.
11034 (legitimate_constant_address_p): Likewise.
11035 (index_term_p): Likewise.
11036 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11037 * config/vax/vax.md (and<mode>3): Likewise.
11038 (ashrsi3): Likewise.
11040 (movstricthi): Likewise.
11041 (movstrictqi): Likewise.
11042 (rotrsi3): Likewise.
11043 (five unnamed insns): Likewise.
11045 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11047 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11048 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11049 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11050 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11051 Pass to ASM_OUTPUT_DWARF_OFFSET.
11052 * dwarf2out.c (debug_frame_section): New.
11053 (output_call_frame_info): Use debug_frame_section. Pass it to
11054 dw2_asm_output_offset.
11055 (output_die): Pass appropriate section to dw2_asm_output_offset.
11056 (output_compilation_unit_header): Likewise.
11057 (output_pubnames): Likewise.
11058 (output_aranges): Likewise.
11059 (enum dw_val_class): Break dw_val_class_lbl_offset into
11060 dw_val_class_lineptr and dw_val_class_macptr.
11061 (add_AT_lbl_offset): Delete.
11062 (add_AT_lineptr): New.
11063 (add_AT_macptr): New.
11064 (AT_lbl): Expect a lineptr or macptr.
11065 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11066 (attr_checksum): Likewise.
11067 (same_dw_val_p): Likewise.
11068 (size_of_die): Likewise.
11069 (value_format): Likewise.
11070 (output_die): Likewise.
11071 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11073 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11074 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11075 * config/darwin-protos.h (darwin_file_start): New.
11076 (darwin_asm_output_dwarf_offset): New.
11077 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11078 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11080 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11081 if not EH section; simplify.
11082 (darwin_file_start): New.
11083 (darwin_asm_output_dwarf_offset): New.
11084 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11086 (DEBUG_INFO_SECTION): Likewise.
11087 (DEBUG_ABBREV_SECTION): Likewise.
11088 (DEBUG_ARANGES_SECTION): Likewise.
11089 (DEBUG_MACINFO_SECTION): Likewise.
11090 (DEBUG_LINE_SECTION): Likewise.
11091 (DEBUG_LOC_SECTION): Likewise.
11092 (DEBUG_PUBNAMES_SECTION): Likewise.
11093 (DEBUG_STR_SECTION): Likewise.
11094 (DEBUG_RANGES_SECTION): Likewise.
11095 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11096 (ASM_OUTPUT_DWARF_OFFSET): New.
11098 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11100 * config.gcc (tm_defines): Always add to previous value rather
11103 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11105 * config/mips/predicates.md (splittable_const_int_operand): New,
11106 split from move_operand.
11107 (splittable_symbolic_operand): New.
11108 (move_operand): Add commentary. Use splittable_const_int_operand.
11109 Inline mips_atomic_symbolic_constant_p.
11110 * config/mips/mips.md: Add combine splitters for handling moves
11111 of splittable_const_int_operands and splittable_symbolic_operands.
11112 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11113 (mips_split_symbol): Declare.
11114 (mips_move_integer): Declare.
11115 * config/mips/mips.c (mips_split_p): Make global.
11116 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11117 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11118 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11119 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11120 (mips_offset_within_object_p): Handle block symbols.
11121 (mips_atomic_symbolic_constant_p): Delete.
11122 (mips_cannot_force_const_mem): Return false for constants that
11123 mips_legitimize_move can handle.
11124 (mips_use_blocks_for_constant_p): New function.
11125 (mips_split_symbol): Make global.
11126 (mips_move_integer): Likewise. Add a temporary register argument.
11127 (mips_legitimize_const_move): Use splittable_const_int_operand and
11128 splittable_symbolic_operand.
11129 (mips_use_anchors_for_symbol_p): New function.
11130 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11131 (mips_split_p): Declare.
11133 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11135 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11136 (mips*-*-linux*): Likewise.
11138 2006-03-16 Roger Sayle <roger@eyesopen.com>
11139 Daniel Speyer <dspeyer@wam.umd.edu>
11141 PR middle-end/18259
11142 * tree-dump.c (dump_real): New function.
11143 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11144 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11145 (tree-dump.o): Add $(REAL_H) to the dependencies.
11147 2006-03-16 Roger Sayle <roger@eyesopen.com>
11149 PR middle-end/21781
11150 * real.c (real_from_string): If the mantissa is zero, don't bother
11151 parsing the exponent as the result should always be zero.
11153 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11155 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11157 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11159 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11160 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11161 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11162 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11163 ia64_sched_finish_global): New static functions to implement
11164 hooks from gcc_target.sched.
11165 (spec_check_no, max_uid, pending_data_specs): New static variables.
11166 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11167 ia64_spec_check_src_p): New static functions.
11168 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11169 (TARGET_SCHED_ADJUST_COST): Removed.
11170 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11171 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11172 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11173 TARGET_SCHED_GEN_CHECK,
11174 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11175 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11176 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11177 Fixed to handle speculation checks.
11178 (rtx_needs_barrier): Fixed to handle speculative loads and
11180 (ia64_variable_issue): Added code to count speculative loads and their
11182 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11184 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11186 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11188 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11189 (ia64_reorg): Reset stops_p to NULL after it is freed.
11190 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11191 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11192 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11194 (data_speculative, control_speculative, check_load): New attributes.
11195 (mov<mode>_advanced, mov<mode>_speculative,
11196 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11197 zero_extend<mode>di2_speculative,
11198 zero_extend<mode>di2_speculative_advanced): New patterns for
11199 data and control speculative loads.
11200 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11202 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11203 New pattern for data and control speculation checks.
11204 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11205 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11206 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11207 Auxiliary definitions for the patterns.
11208 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11209 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11211 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11213 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11214 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11215 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11216 New resource constraints.
11217 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11219 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11220 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11221 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11222 msched-in-control-spec, msched-ldc, msched-control-ldc,
11223 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11224 msched-prefer-non-control-spec-insns,
11225 msched-count-spec-in-critical-path): New flags to tune speculative
11227 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11228 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11229 msched-in-control-spec, msched-ldc, msched-control-ldc,
11230 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11231 msched-prefer-non-control-spec-insns,
11232 msched-count-spec-in-critical-path): Document new flags.
11234 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11236 * target.h (struct spec_info_def): New opaque declaration.
11237 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11238 speculate_insn, needs_block_p, gen_check,
11239 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11240 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11241 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11242 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11243 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11244 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11246 (TARGET_SCHED): Use new macros.
11247 * rtl.h (copy_DEPS_LIST_list): New prototype.
11248 * sched-int.h (struct sched_info): Change signature of new_ready field,
11249 adjust all initializations. New fields: add_remove_insn,
11250 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11251 region_head_or_leaf_p.
11252 (struct spec_info_def): New structure declaration.
11253 (spec_info_t): New typedef.
11254 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11255 recovery_block, orig_pat.
11256 (glat_start, glat_end): New variables declaraions.
11257 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11259 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11260 DETACH_LIFE_INFO, USE_GLAT.
11261 (enum SPEC_SCHED_FLAGS): New enumeration.
11262 (NOTE_NOTE_BB_P): New macro.
11263 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11264 attach_life_info, debug_spec_status, check_reg_live): New functions.
11265 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11266 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11268 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11269 * ddg.c (get_block_head_tail): Adjust all uses.
11270 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11271 (sms_sched_info): Initialize new fields.
11272 (contributes_to_priority): Removed.
11273 * haifa-sched.c (params.h): New include.
11274 (get_block_head_tail): Adjust all uses.
11275 (ISSUE_POINTS): New macro.
11276 (glat_start, glat_end): New global variables.
11277 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11278 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11279 old_last_basic_block, before_recovery, current_sched_info_var,
11280 rgn_n_insns, luid): New static variables.
11281 (insn_cost1): New function. Move logic from insn_cost to here.
11282 (find_insn_reg_weight1): New function. Move logic from
11283 find_insn_reg_weight to here.
11284 (reemit_notes, move_insn, max_issue): Change signature.
11285 (move_insn1): Removed.
11286 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11287 extend_bb): New static functions to support extension of scheduler's
11289 (generate_recovery_code, process_insn_depend_be_in_spec,
11290 begin_speculative_block, add_to_speculative_block,
11291 init_before_recovery, create_recovery_block, create_check_block_twin,
11292 fix_recovery_deps): New static functions to support
11293 generation of recovery code.
11294 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11295 restore_bb_notes, move_block_after_check, move_succs): New static
11296 functions to support ebb scheduling.
11297 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11298 functions to support handling of register live information.
11299 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11300 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11301 add_jump_dependencies): New static functions.
11302 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11303 consistancy checking.
11304 (debug_spec_status): New function to call from debugger.
11305 (priority): Added code to handle speculation checks.
11306 (rank_for_schedule): Added code to distinguish speculative instructions.
11307 (schedule_insn): Added code to handle speculation checks.
11308 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11309 Fixed to handle ebbs.
11310 (move_insn): Added code to handle ebb scheduling.
11311 (max_issue): Added code to use ISSUE_POINTS of instructions.
11312 (choose_ready): Added code to choose between speculative and
11313 non-speculative instructions.
11314 (schedule_block): Added code to handle ebb scheduling and scheduling of
11315 speculative instructions.
11316 (sched_init): Initialize new variables.
11317 (sched_finish): Free new variables. Print statistics.
11318 (try_ready): Added code to handle speculative instructions.
11319 * lists.c (copy_DEPS_LIST_list): New function.
11320 * sched-deps.c (extend_dependency_caches): New function. Move logic
11321 from create_dependency_caches to here.
11322 (get_dep_weak, ds_merge): Make global.
11323 * genattr.c (main): Code to output prototype for
11324 dfa_clear_single_insn_cache.
11325 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11326 (output_dfa_clean_insn_cache_func): Code to output
11327 dfa_clear_single_insn_cache function.
11328 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11330 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11332 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11333 New static variables.
11334 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11335 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11337 (ebb_sched_info): Initialize new fields.
11338 (get_block_head_tail): Adjust all uses.
11339 (compute_jump_reg_dependencies): Fixed to use glat_start.
11340 (schedule_ebb): Code to remove unreachable last block.
11341 (schedule_ebbs): Added code to update register live information.
11342 * sched-rgn.c (region_sched_info): Initialize new fields.
11343 (get_block_head_tail): Adjust all uses.
11344 (last_was_jump): Removed. Adjust users.
11345 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11346 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11347 Implement new hooks.
11348 (check_dead_notes1): New static function.
11349 (struct region): New fields: dont_calc_deps, has_real_ebb.
11350 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11351 (BB_TO_BLOCK): Fixed to handle EBBs.
11352 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11353 (ebb_head): New static variable.
11354 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11355 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11357 (compute_dom_prob_ps): New assertion.
11358 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11359 global_live_at_start.
11360 (init_ready_list): New assertions.
11361 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11362 (new_ready): Add support for BEGIN_CONTROL speculation.
11363 (schedule_insns): Fixed code that updates register live information
11365 (schedule_region): Fixed to handle EBBs.
11366 (init_regions): Use extend_regions and check_dead_notes1.
11367 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11368 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11369 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11370 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11371 TARGET_SCHED_GEN_CHECK,
11372 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11373 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11374 * doc/invoke.texi (max-sched-insn-conflict-delay,
11375 sched-spec-prob-cutoff): Document.
11377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11379 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11380 inter_tick, queue_index.
11381 (struct sched_info): Change signature of init_ready_list field.
11382 Adjust all initializations.
11383 (RESOLVED_DEPS): New access macro.
11384 (ready_add): Remove prototype.
11385 (try_ready): Add prototype.
11386 * sched-rgn.c (init_ready_list): Use try_ready.
11387 (schedule_region): Initialize
11388 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11389 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11390 (init_ready_list): Use try_ready.
11391 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11392 * lists.c (remove_list_elem): Remove `static'.
11393 (remove_free_INSN_LIST_elem): New function.
11394 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11395 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11396 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11398 (readyp): New variable.
11399 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11400 change_queue_index, resolve_dep): New static functions.
11401 (try_ready): New function. Adjust callers in sched-rgn.c and
11402 sched-ebb.c to use it instead of ready_add.
11403 (clock_var): Move at the begining of file.
11404 (rank_for_schedule): Fix typo.
11405 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11406 (ready_lastpos): Enforce assertion.
11407 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11408 update all callers.
11409 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11410 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11411 (queue_to_ready): Use free_INSN_LIST_list.
11412 (early_queue_to_ready): Fix typo.
11413 (schedule_block): Init readyp. Move init_ready_list call after the
11414 initialization of clock_var. Fix error in rejecting insn by
11415 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11416 that previously corrected INSN_TICKs. Add code for handling
11418 (set_priorities): Fix typo.
11419 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11420 Clarify comment and code that keeps current_sched_info->next_tail
11423 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11425 * sched-rgn.c (extend_rgns): New static function.
11426 (find_rgns): Use it.
11427 (gather_region_statistics, print_region_statistics): New static
11429 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11430 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11432 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11433 Andrey Belevantsev <abel@ispras.ru>
11435 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11436 * lists.c (unused_deps_list): New variable.
11437 (free_list): Add assertions to verify the proper distinguishing
11438 between INSN_LISTs and DEPS_LISTs.
11439 (find_list_elem, remove_list_elem, remove_list_node): New static
11441 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11442 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11443 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11444 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11446 (free_INSN_LIST_node): Likewise.
11447 * modulo-sched.c (current_sched_info): Initialize flags field.
11448 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11449 * rtl.def (DEPS_LIST): Define.
11450 * rtl.h: Declare new functions from lists.c.
11451 * sched-deps.c (spec_dependency_cache): New static variable.
11452 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11453 (add_dependence): Change return type to void. Move the logic to ...
11454 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11455 (delete_all_dependences): Add comment about forward_dependency_cache.
11456 Handle spec_dependency_cache. Handle DEPS_LISTs.
11457 (fixup_sched_groups): Clarify the change of priority of output
11458 and anti dependencies.
11459 (sched_analyze_2): Adjust add_dependence calls to create data
11460 speculative dependence.
11461 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11462 Adjust all callers. Handle DEPS_LISTS.
11463 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11464 presence of speculation.
11465 (init_dependency_caches, free_dependency_caches):
11466 Handle spec_dependency_cache.
11467 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11468 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11469 New static functions.
11470 (add_or_update_back_dep, add_or_update_back_forw_dep,
11471 add_back_forw_dep, delete_back_forw_dep): New functions.
11472 * sched-int.h (ds_t, dw_t): New typedefs.
11473 (struct sched_info): Add new field flags.
11474 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11475 Prototype new sched-deps.c functions.
11476 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11477 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11478 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11479 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11480 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11481 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11483 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11485 * sched-rgn.c (current_sched_info): Initialize flags field.
11486 (schedule_insns): Initialize current_sched_info before the sched_init
11488 * sched-ebb.c (current_sched_info): Initialize flags field.
11489 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11490 Call add_or_update_back_dep instead of add_dependence.
11491 Create control speculative dependencies.
11492 (schedule_insns): Initialize current_sched_info before the sched_init
11495 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11497 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11499 (sh_fallback_frame_state): Likewise.
11501 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11503 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11504 Do switch on default_use_cxa_atexit.
11505 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11506 * config/darwin-crt3.o: New.
11507 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11508 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11509 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11511 * config/rs6000/t-darwin: Move crt2.o building to here.
11512 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11513 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11516 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11518 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11519 from '! xxx' to '!xxx' for coding-style conformance.
11520 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11521 (EXTRA_CONSTRAINT): Likewise.
11522 * config/vax/vax.md (four unnamed insns): Likewise.
11524 2006-03-15 Paul Brook <paul@codesourcery.com>
11526 * config/arm/arm.c (minipool_pad): New.
11527 (add_minipool_forward_ref): Include pool alignment padding in address
11529 (push_minipool_fix): Set minipool_pad.
11530 (minipool_pad): Ditto.
11532 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11534 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11535 instead of GET_CODE() == MEM and REG_P() instead of
11537 (print_operand_address): Likewise.
11538 (vax_address_cost): Likewise.
11539 (vax_rtx_costs): Likewise.
11540 (vax_notice_update_cc): Likewise.
11541 (vax_output_int_add): Likewise.
11542 (INDEX_REGISTER_P): Likewise.
11543 (BASE_REGISTER_P): Likewise.
11544 (nonindexed_address_p): Likewise.
11545 (vax_mode_dependent_address_p): Likewise.
11546 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11547 (PRINT_OPERAND): Likewise.
11548 * config/vax/vax.md (ashlsi3): Likewise.
11549 (ashlsi3): Likewise.
11550 (some more unnamed insns): Likewise.
11552 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11554 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11555 iterator-style macro.
11556 (mark_control_dependent_edges_necessary): Update the use of
11557 EXECUTE_IF_CONTROL_DEPENDENT.
11559 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11561 * config/sh/predicates.md (cache_address_operand): Special.
11562 (ua_address_operand): Likewise.
11564 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11566 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11568 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11570 2006-03-15 Andreas Schwab <schwab@suse.de>
11572 * gensupport.c (identify_predicable_attribute): Don't free p_false
11573 when it is still in use.
11575 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11577 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11578 the default setting here.
11580 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11582 * tree-pass.h (pass_cfg): Remove.
11583 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11584 * passes.c (pass_cfg): Don't run it.
11586 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11588 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11589 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11591 (stack_regs_mentioned): Update the uses of
11592 stack_regs_mentioned_data. Don't access the array beyond its
11594 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11595 Don't include gt-reg-stack.h.
11597 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11598 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11600 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11602 PR middle-end/26684
11603 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11606 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11608 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11610 2006-03-14 Richard Guenther <rguenther@suse.de>
11612 PR tree-optimization/26672
11613 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11616 2006-03-14 Richard Guenther <rguenther@suse.de>
11618 PR tree-optimization/26667
11619 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11620 node for the callees. Always allow inlining if it will shrink
11623 2006-03-14 Richard Guenther <rguenther@suse.de>
11625 PR middle-end/26659
11626 * builtins.c (get_pointer_alignment): Prefer alignment
11627 information from decls over that from types.
11629 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11632 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11634 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11636 * config/rs6000/rs6000.opt (mdlmzb): New option.
11637 (msched-prolog, msched-epilog): Use Var not Mask.
11638 * doc/invoke.texi (-mdlmzb): Document.
11639 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11641 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11642 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11644 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11646 PR rtl-optimization/25739
11647 * bt-load.c (augment_live_range): Free tos pointer.
11649 * gensupport.c (identify_predicable_attribute): Free
11651 * gcov.c (create_file_names): Free name pointer.
11653 2006-03-13 Roger Sayle <roger@eyesopen.com>
11655 PR middle-end/26557
11656 * stmt.c (emit_case_nodes): Handle the case where the index is a
11657 CONST_INT, where the comparison mode is specified by the index type.
11659 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11661 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11664 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11666 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11667 (*branch_fp_inverted): Likewise.
11669 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11671 PR middle-end/25989
11672 * omp-low.c (expand_omp_for_generic): Mark istart0
11673 and iend0 as addressable.
11675 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11677 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11679 2006-03-13 Jeff Law <law@redhat.com>
11681 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11682 virtual operands are interesting.
11683 (vrp_visit_stmt): Corresponding changes.
11685 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11687 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11690 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11691 * config/bfin/crti.S: Use it instead of __PIC__.
11692 * config/bfin/crtn.S: Likewise.
11694 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11695 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11697 Lose 'G' modifier for call operand.
11698 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11699 recognize 'G' modifier.
11701 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11703 PR middle-end/18859
11704 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11705 * stmt.c (expand_case): Likewise.
11707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11709 PR rtl-optimization/26254
11710 * loop-invariant.c (seq_insns_valid_p): New function.
11711 (move_invariant_reg): Only emit new code if it is valid.
11713 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11715 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11717 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11718 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11719 (commit_one_edge_insertion): Do not look for loop notes.
11721 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11723 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11724 flag_test_coverage out of loop.
11726 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11728 * final.c (shorten_branches): Remove outdated comment, and turn
11729 the if branch that guards it to continue.
11731 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11733 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11734 * cfgloop.h (struct loop): Remove unused fields.
11736 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11738 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11739 (-dL, -fdump-rtl-loop2): Update the dump file names
11741 * doc/invoke.texi: Update dump file names.
11743 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11745 * predict.c (estimate_probability): Remove.
11746 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11747 * basic-block.h (estimate_probability): Remove prototype.
11748 * passes.c (finish_optimization_passes): Dump branch prediction or
11749 profiling heuristics to the .profile tree dump.
11750 (init_optimization_passes): Unqueue pass_branch_prob.
11752 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11754 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11756 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11757 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11759 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11761 * function.h (frame_offset_overflow): Declare.
11762 * function.c (frame_offset_overflow): New function.
11763 (assign_stack_local_1): Call it to detect that the offset overflows.
11764 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11766 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11768 * config/sh/sh.c: Include alloc-pool.h.
11769 (label_ref_list_pool): New alloc pool.
11770 (label_ref_list_t): New type for lists of labels.
11771 (struct pool_node): Make wend a label_ref_list_t.
11772 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11774 (dump_table): Likewise.
11775 (sh_reorg): Set up the alloc pool before using add_constant and
11776 dump_table, and destroy it when finishing.
11778 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11780 * config/mips/mips.c: Remove redundant comment.
11782 2006-03-10 Jason Merrill <jason@redhat.com>
11785 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11786 the target was declared 'register'.
11788 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11790 * genpreds.c (write_insn_constraint_len): Change definition of
11791 insn_constraint_len to return size_t to match the declaration.
11793 2006-03-10 DJ Delorie <dj@redhat.com>
11795 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11797 (m32c_expand_insv): Fix test for an AND mask.
11799 2006-03-10 Richard Guenther <rguenther@suse.de>
11801 PR middle-end/26565
11802 * builtins.c (get_pointer_alignment): Handle component
11803 references for field alignment.
11805 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11807 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11808 when building with libgloss.
11809 (sh*elf): Implement --without-fp option.
11810 (sh64-superh-linux*): Don't multilib.
11812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11814 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11816 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11818 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11819 Set it when one of the replacement functions returned true.
11820 Return TODO_cleanup_cfg if cfgchanged is true.
11821 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11823 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11825 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11826 instead of gen_lowpart.
11828 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11830 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11832 (mips_output_order_conditional_branch): Declare.
11833 * config/mips/mips.h (MIPS_BRANCH): New macro.
11834 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11835 for the comparison. Use gen_condjump.
11836 (mips_output_conditional_branch): Rework interface to take the
11837 asm templates for a direct branch and the inverse of a direct branch.
11838 (mips_output_order_conditional_branch): New function.
11839 (mips_builtin_branch_and_move): New function.
11840 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11841 branch condition. Use gen_single_cc as the condition for
11842 __builtin_mips_upper_* or __builtin_mips_lower_*.
11843 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11844 Use VOIDmode for the branch condition.
11845 * config/mips/predicates.md (order_operator): New predicate.
11846 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11847 (branch_fp): Rename to...
11848 (*branch_fp): ...this. Remove mode from comparison operator.
11849 Use new mips_output_conditional_branch interface.
11850 (branch_fp_inverted): Rename to...
11851 (*branch_fp_inverted): ...this and update as for *branch_fp.
11852 (*branch_zero<mode>): Rename to...
11853 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11854 Use mips_output_order_conditional_branch. Only accept ordered
11856 (*branch_zero<mode>_inverted): Rename to...
11857 (*branch_order<mode>_inverted): ...this and update as for
11858 *branch_order<mode>.
11859 (*branch_equality<mode>): Accept zero as the second operand to
11860 the equality operator. Use the new mips_output_conditional_branch
11862 (*branch_equality<mode>_inverted): Likewise.
11863 (condjump): New expander.
11864 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11866 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11867 (bc1any2t, bc1any2f): Likewise.
11868 (single_cc): New expander.
11869 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11871 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11873 * doc/md.texi: Update documentation of MIPS constraints.
11874 * config/mips/constraints.md: New file.
11875 * config/mips/mips.md: Include it.
11876 * config/mips/mips.c (mips_char_to_class): Delete.
11877 (override_options): Don't initialize mips_char_to_class.
11878 * config/mips/mips.h (mips_char_to_class): Delete.
11879 (REG_CLASS_FROM_LETTER): Delete.
11880 (CONST_OK_FOR_LETTER_P): Delete.
11881 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11882 (EXTRA_CONSTRAINT_Y): Delete.
11883 (EXTRA_CONSTRAINT_STR): Delete.
11884 (CONSTRAINT_LEN): Delete.
11885 (EXTRA_MEMORY_CONSTRAINT): Delete.
11887 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11889 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11890 original fn's eh regions.
11892 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11894 * fold-const.c (build_range_check): Make sure to use a valid type to
11895 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11898 (range_predecessor): New static function.
11899 (range_successor): Likewise.
11900 (merge_ranges): Use them to compute predecessors and successors of
11903 2006-03-09 Roger Sayle <roger@eyesopen.com>
11905 PR middle-end/26561
11906 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11907 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11909 2006-03-08 DJ Delorie <dj@redhat.com>
11911 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11912 (addpsi3): Expand to include memory operands. Remove
11913 reload-specific splits.
11914 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11915 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11916 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11917 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11918 (shift1_qi, shift1_hi, insv): New.
11919 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11920 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11921 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11923 * config/m32c/m32c-protos.h: Update as needed.
11924 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11925 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11926 Fail for unrecognized R* constraints.
11927 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11928 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11929 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11931 (m32c_init_libfuncs): New.
11932 (m32c_legitimate_address_p): Add debug wrapper.
11933 (m32c_rtx_costs): New.
11934 (m32c_address_cost): New.
11935 (conversions): Add 'B' prefix.
11936 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11937 operands, or word regnames for QI operands. 'B' prints bit
11939 (m32c_expand_setmemhi): New.
11940 (m32c_expand_movmemhi): New.
11941 (m32c_expand_movstr): New.
11942 (m32c_expand_cmpstr): New.
11943 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11944 (m32c_expand_neg_mulpsi3): Handle non-ints.
11945 (m32c_cmp_flg_0): New.
11946 (m32c_expand_movcc): New.
11947 (m32c_expand_insv): New.
11948 (m32c_scc_pattern): New.
11949 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11950 a0/a1 out of SIregs.
11951 (STORE_FLAG_VALUE): New.
11952 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11955 * config/m32c/mov.md: Make constraints more liberal.
11956 (zero_extendqihi2): Optimize r0/r1 case.
11957 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11958 * config/m32c/predicates.md (m32c_any_operand): New.
11959 (m32c_nonimmediate_operand): New.
11960 (m32c_hl_operand): New.
11961 (m32c_r3_operand): New.
11964 (memsym_operand): New.
11965 (memimmed_operand): New.
11966 (a_qi_operand): New.
11967 (m32c_eqne_operator): New.
11968 (m32c_1bit8_operand): New.
11969 (m32c_1bit16_operand): New.
11970 (m32c_1mask8_operand): New.
11971 (m32c_1mask16_operand): New.
11972 * config/m32c/blkmov.md: New file.
11973 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11975 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11977 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11978 unsigned to fix signed/unsigned comparison issue in
11979 DWARF2_FRAME_REG_OUT.
11980 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11981 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11983 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11984 of ptr into the ENABLE_CHECKING section.
11986 2006-03-08 Jeff Law <law@redhat.com>
11988 * tree-vrp.c (infer_value_range): Only count pointer uses
11989 and dereferences if -fdelete-null-pointer-checks is enabled.
11991 * tree-vrp.c (find_assert_locations): Infer value ranges for
11992 single use pointers, but do not create ASSERT_EXPRs for them.
11993 When a non-null range is inferred for a pointer, backwards
11994 propagate that range to other equivalent pointers through the
11997 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12000 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12001 language hook targets.
12002 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12003 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12004 if language hook targets were missing.
12006 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12008 * tree-ssa-opfinalize.h: Removed.
12009 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12011 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12012 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12013 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12014 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12015 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12016 finalize_ssa_v_must_def_ops): New.
12018 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12020 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12021 block as parameter.
12023 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12025 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12027 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12028 addresses with offsets; reorganize.
12030 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12031 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12032 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12034 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12037 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12039 2006-03-08 Ben Elliston <bje@au.ibm.com>
12041 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12043 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12046 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12049 2006-03-07 Richard Guenther <rguenther@suse.de>
12051 PR tree-optimization/26587
12052 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12054 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12056 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12058 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12060 * hooks.c (hook_bool_mode_rtx_true): New function.
12061 * hooks.h (hook_bool_mode_rtx_true): Declare.
12062 * toplev.c (compile_file): Call output_shared_constant_pool.
12063 * varasm.c (shared_constant_pool): New variable.
12064 (assemble_start_function, assemble_end_function): Remove arguments
12065 from call to output_constant_pool.
12066 (create_constant_pool): New function, split out from...
12067 (init_varasm_status): ...here.
12068 (force_const_mem): Choose between the shared and per-function constant
12069 pools. Set current_function_uses_const_pool when reusing old entries
12070 as well as when creating new ones.
12071 (mark_constant): Ignore data argument.
12072 (mark_constants): Remove pool argument.
12073 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12074 to decide whether the function uses a constant pool.
12075 (output_constant_pool_contents): New function, split out from...
12076 (output_constant_pool): ...here.
12077 (output_shared_constant_pool): New function.
12078 (init_varasm_once): Initialize shared_constant_pool.
12079 * output.h (output_constant_pool): Delete.
12080 (output_shared_constant_pool): Declare.
12081 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12082 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12084 2006-03-06 Nick Clifton <nickc@redhat.com>
12086 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12087 flag_strength_reduce.
12089 2006-03-06 Ben Elliston <bje@au.ibm.com>
12091 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12092 x86_64-*-linux* configurations.
12094 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12095 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12099 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12101 * basic-block.h: Remove the extern for
12102 rediscover_loops_after_threading.
12104 * cfgloop.c (cancel_loop): Make it static.
12105 * cfgloop.h: Remove the prototype for cancel_loop.
12107 * flow.c (recompute_reg_usage): Make it static.
12108 * rtl.h: Remove the prototype for recompute_reg_usage.
12110 * function.c (use_return_register): Make it static.
12111 * function.h: Remove the prototype.
12113 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12115 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12117 * recog.h: Remove the prototype for
12118 validate_change_maybe_volatile.
12120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12122 * rtlanal.c (replace_reg): Remove.
12123 * rtl.h: Remove the prototype for replace_reg.
12125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12127 * regclass.c (reg_scan_update): Remove.
12128 (reg_scan_mark_refs): Remove the last argument.
12129 * rtl.h: Remove the prototype for reg_scan_update.
12131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12133 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12134 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12135 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12136 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12137 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12138 loop-invariant.c, omp-low.c, opts.c, passes.c,
12139 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12140 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12141 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12142 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12143 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12144 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12148 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12149 * dwarf2out.h: Remove the prototype for
12150 dwarf2out_add_library_unit_info.
12152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12154 * tree.c (add_var_to_bind_expr): Remove.
12155 * tree.h: Remove the prototype for add_var_to_bind_expr.
12157 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12159 * regclass.c (n_non_fixed_regs): Remove.
12160 (init_reg_sets_1, globalize_reg): Remove all uses of
12162 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12166 * rtlanal.c (insns_safe_to_move_p): Remove.
12167 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12169 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12171 * expmed.c (expand_mult_add): Remove.
12172 * expr.h: Remove the prototype for expand_mult_add.
12174 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12176 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12177 and REG_SAVED_VAL_EXP constants.
12178 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12179 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12180 Handle regs stored by value.
12181 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12182 (execute_cfa_program): Handle DW_CFA_val_offset,
12183 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12184 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12185 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12186 (uw_install_context_1): Handle target regs stored by value.
12188 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12190 * tree-sra.c (tree_sra): Return todoflags;
12191 (generate_one_element): Set TODO_update_smt_usage if needed.
12192 (pass_sra): Remove TODO_update_smt_usage.
12193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12195 (tree_ssa_forward_propagate_single_use_vars): Return
12196 TODO_update_smt_usage if we need to update SMT usage.
12197 (pass_forwprop): Remove TODO_update_smt_usage.
12199 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12201 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12202 (correct_use_link): Remove reference to get_stmt_operands.
12203 (update_stmt_operands): Likewise.
12204 (get_modify_expr_operands): New function factored out of
12205 parse_ssa_operands and get_expr_operands.
12206 Try to create V_MUST_DEFs for LHS by default.
12207 (get_expr_operands) <case MODIFY_EXPR>: Call
12208 get_modify_expr_operands.
12209 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12210 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12211 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12212 get_modify_expr_operands.
12214 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12216 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12217 * tree-flow.h: Remove the prototype for
12218 referenced_var_lookup_if_exists.
12220 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12222 PR rtl-optimization/26345
12224 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12226 2006-03-03 Roger Sayle <roger@eyesopen.com>
12228 PR tree-optimization/26524
12229 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12230 fold_convert to create a constant of the appropriate type.
12232 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12234 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12235 SYMBOL_REF_IN_BLOCK_P.
12236 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12237 of SYMBOL_FLAG_IN_BLOCK.
12238 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12239 instead of SYMBOL_REF_IN_BLOCK_P.
12240 * explow.c (use_anchored_address): Likewise.
12241 * rtl.c (rtx_size): Likewise.
12242 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12243 instead of SYMBOL_FLAG_IN_BLOCK.
12244 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12245 SYMBOL_REF_IN_BLOCK_P.
12246 (assemble_variable): Likewise.
12247 (output_constant_def_contents): Likewise.
12248 (output_constant_pool): Likewise.
12249 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12250 instead of SYMBOL_FLAG_IN_BLOCK.
12251 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12252 SYMBOL_REF_IN_BLOCK_P.
12253 (SYMBOL_REF_BLOCK): Likewise.
12254 (SYMBOL_REF_OFFSET): Likewise.
12255 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12256 SYMBOL_REF_IN_BLOCK_P.
12257 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12258 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12259 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12260 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12262 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12264 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12266 2006-03-02 Roger Sayle <roger@eyesopen.com>
12268 * simplify-rtx.c (simplify_unary_operation): When simplifying
12269 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12270 that we perform the right shift in the appropriate mode, and
12271 then extend or truncate the result to requested mode.
12273 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12275 * gengtype.c (main): Handle double_int type.
12276 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12277 * double-int.c: New file.
12278 * double-int.h: New file.
12279 * system.h: Include doubleint.h.
12280 * Makefile.in (SYSTEM_H): Include double-int.h.
12281 (double-int.o): Add.
12283 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12286 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12291 * tree-vrp.c (remove_range_assertions): Do not update statements
12294 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12296 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12298 * gcse.c (rest_of_handle_gcse): Ditto.
12299 * except.c (gate_handle_eh): Ditto.
12300 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12301 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12303 2006-03-02 Eric Christopher <echristo@apple.com>
12305 * config/i386/i386.c (machopic_output_stub): Add indirection to
12308 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12312 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12314 Sun Niagara specific optimizations.
12315 * config.gcc: Recognize niagara as target.
12316 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12317 (TARGET_CPU_niagara): Define.
12318 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12319 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12320 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12321 (ASM_CPU_SPEC): Likewise.
12322 (PROCESSOR_NIAGARA): New enum entry.
12323 (REGISTER_MOVE_COST): Handle Niagara.
12324 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12325 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12326 (sparc_override_options): Recognize "niagara", set appropriate
12327 default MASK_* values for it, and align functions to 32-bytes
12328 by default just like ULTRASPARC/ULTRASPARC3.
12329 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12330 (sparc64_initialize_trampoline): Likewise.
12331 (sparc_use_sched_lookahead): Use zero for niagara.
12332 (sparc_issue_rate): Use one for niagara.
12333 * config/sparc/niagara.md: New file.
12334 * config/sparc/sparc.md: Include it.
12335 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12336 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12337 when default cpu is niagara.
12338 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12339 (ASM_CPU_SPEC): Likewise.
12340 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12341 when default cpu is niagara.
12342 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12343 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12344 just like v9/ultrasparc/ultrasparc3.
12345 * doc/invoke.texi: Add documentation for "niagara" and improve
12346 existing documentation for ultrasparc variants.
12348 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12350 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12352 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12354 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12355 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12356 and say that only one is needed.
12357 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12358 * target.h (have_switchable_bss_sections): New hook.
12359 * explow.c (use_anchored_address): Check that the symbol is in a block.
12360 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12361 (bss_noswitch_section): New variables.
12362 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12363 (get_noswitch_section): New function.
12364 (get_block_for_section): Allow SECT to be null.
12365 (unlikely_text_section_p): Use SECTION_STYLE.
12366 (bss_initializer_p): New function.
12367 (get_variable_section): Move earlier in file. Take a new argument,
12368 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12369 Return one of the new *_sections in such cases.
12370 (get_block_for_decl): New function, extracting some logic from
12371 use_blocks_for_decl_p.
12372 (change_symbol_section): Remove in favor of...
12373 (change_symbol_block): ...this new function.
12374 (use_blocks_for_decl_p): Remove checks now performed by
12375 get_block_for_decl.
12376 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12377 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12378 (emit_local, emit_bss, emit_common): ...these new functions.
12379 Return true if the alignment was honored.
12380 (emit_tls_common): New function.
12381 (asm_emit_uninitialised): Delete.
12382 (assemble_variable_noswitch): New function, split out from...
12383 (assemble_variable): ...here. Don't make decisions about common
12384 variables here. Globalize all public decls that go into non-common
12385 sections. Check whether SYMBOL_REF_BLOCK is null.
12386 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12387 (output_constant_pool): Likewise.
12388 (init_varasm_once): Initialize the new section variables.
12389 (have_global_bss_p): New function.
12390 (categorize_decl_for_section): Use bss_initializer_p.
12391 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12392 (place_block_symbol): Assert that the symbol must be in a block.
12393 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12394 (TARGET_INITIALIZER): Include it.
12395 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12396 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12397 (SECTION_MACH_DEP): Bump by two.
12398 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12399 (unnamed_section): Mention SECTION_UNNAMED in comment.
12400 (named_section): Likewise SECTION_NAMED.
12401 (noswitch_section_callback): New type.
12402 (noswitch_section): New structure.
12403 (section): Add a noswitch_section alternative.
12404 (SECTION_STYLE): New macro.
12405 (tls_comm_section, comm_section, lcomm_section): Declare.
12406 (bss_noswitch_section, have_global_bss_p): Declare.
12407 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12408 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12410 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12411 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12414 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12416 * tree-vrp.c (execute_vrp): Return value.
12417 * regrename.c (rest_of_handle_regrename): Ditto.
12418 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12419 * tree-complex.c (tree_lower_complex): Ditto.
12420 (tree_lower_complex_O0): Ditto.
12421 * tracer.c (rest_of_handle_tracer): Ditto.
12422 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12423 * postreload.c (rest_of_handle_postreload): Ditto.
12424 * tree-tailcall.c (execute_tail_recursion): Ditto.
12425 (execute_tail_calls): Ditto.
12426 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12427 * tree.h (init_function_for_compilation): Ditto.
12428 * ipa-cp.c (ipcp_driver): Ditto.
12429 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12430 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12431 * final.c (compute_alignments): Ditto.
12432 (rest_of_handle_final): Ditto.
12433 (rest_of_handle_shorten_branches): Ditto.
12434 (rest_of_clean_state): Ditto.
12435 * omp-low.c (execute_expand_omp): Ditto.
12436 (execute_lower_omp): Ditto.
12437 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12438 * ipa-reference.c (static_execute): Ditto.
12439 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12440 * reorg.c (rest_of_handle_delay_slots): Ditto.
12441 (rest_of_handle_machine_reorg): Ditto.
12442 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12443 * flow.c (recompute_reg_usage): Ditto.
12444 (rest_of_handle_remove_death_notes): Ditto.
12445 (rest_of_handle_life): Ditto.
12446 (rest_of_handle_flow2): Ditto.
12447 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12448 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12449 (do_ssa_store_ccp): Ditto.
12450 (execute_fold_all_builtins): Ditto.
12451 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12452 * modulo-sched.c (rest_of_handle_sms): Ditto.
12453 * ipa-pure-const.c (static_execute): Ditto.
12454 * cse.c (rest_of_handle_cse): Ditto.
12455 (rest_of_handle_cse2): Ditto.
12456 * web.c (rest_of_handle_web): Ditto.
12457 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12458 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12459 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12460 * tree-nrv.c (tree_nrv): Ditto.
12461 (execute_return_slot_opt): Ditto.
12462 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12463 (create_structure_vars): Ditto.
12464 * loop-init.c (rtl_loop_init): Ditto.
12465 (rtl_loop_done): Ditto.
12466 (rtl_move_loop_invariants): Ditto.
12467 (rtl_unswitch): Ditto.
12468 (rtl_unroll_and_peel_loops): Ditto.
12469 (rtl_doloop): Ditto.
12470 * gimple-low.c (lower_function_body): Ditto.
12471 (mark_used_blocks): Ditto.
12472 * tree-ssa-sink.c (execute_sink_code): Ditto.
12473 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12474 (cgraph_early_inlining): Ditto.
12475 * global.c (rest_of_handle_global_alloc): Ditto.
12476 * jump.c (cleanup_barriers): Ditto.
12477 (purge_line_number_notes): Ditto.
12478 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12479 (rest_of_handle_if_after_reload): Ditto.
12480 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12481 (tree_ssa_loop_im): Ditto.
12482 (tree_ssa_loop_unswitch): Ditto.
12483 (tree_vectorize): Ditto.
12484 (tree_linear_transform): Ditto.
12485 (tree_ssa_loop_ivcanon): Ditto.
12486 (tree_ssa_empty_loop): Ditto.
12487 (tree_ssa_loop_bounds): Ditto.
12488 (tree_complete_unroll): Ditto.
12489 (tree_ssa_loop_prefetch): Ditto.
12490 (tree_ssa_loop_ivopts): Ditto.
12491 (tree_ssa_loop_done): Ditto.
12492 * predict.c (tree_estimate_probability): Ditto.
12493 * recog.c (split_all_insns_noflow): Ditto.
12494 (rest_of_handle_peephole2): Ditto.
12495 (rest_of_handle_split_all_insns): Ditto.
12496 * tree-eh.c (lower_eh_constructs): Ditto.
12497 * regmove.c (rest_of_handle_regmove): Ditto.
12498 (rest_of_handle_stack_adjustments): Ditto.
12499 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12500 * function.c (instantiate_virtual_regs): Ditto.
12501 (init_function_for_compilation): Ditto.
12502 (rest_of_handle_check_leaf_regs): Ditto.
12503 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12504 (rest_of_handle_gcse): Ditto.
12505 * ipa-type-escape.c (type_escape_execute): Ditto.
12506 * alias.c (rest_of_handle_cfg): Ditto.
12507 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12508 * profile.c (rest_of_handle_branch_prob): Ditto.
12509 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12510 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12511 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12512 * tree-dfa.c (find_referenced_vars): Ditto.
12513 * except.c (set_nothrow_function_flags): Ditto.
12514 (convert_to_eh_region_ranges): Ditto.
12515 (rest_of_handle_eh): Ditto.
12516 * emit-rtl.c (unshare_all_rtl): Ditto.
12517 (remove_unnecessary_notes): Ditto.
12518 * except.h (set_nothrow_function_flags): Ditto.
12519 (convert_to_eh_region_ranges): Ditto.
12520 * cfgexpand.c (tree_expand_cfg): Ditto.
12521 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12522 * tree-ssa-pre.c (do_pre): Ditto.
12523 (execute_fre): Ditto.
12524 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12525 (rest_of_handle_jump2): Ditto.
12526 * tree-sra.c (tree_sra): Ditto.
12527 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12528 (execute_mudflap_function_decls): Ditto.
12529 * tree-ssa-copy.c (do_copy_prop): Ditto.
12530 (do_store_copy_prop): Ditto.
12531 * ipa-prop.h (ipcp_driver): Ditto.
12532 * cfglayout.c (insn_locators_initialize): Ditto.
12533 * tree-ssa-forwprop.c
12534 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12535 * cfglayout.h (insn_locators_initialize): Ditto.
12536 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12537 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12538 (execute_late_warn_uninitialized): Ditto.
12539 * rtl.h (cleanup_barriers): Ditto.
12540 (split_all_insns_noflow): Ditto.
12541 (purge_line_number_notes): Ditto.
12542 (unshare_all_rtl): Ditto.
12543 (remove_unnecessary_notes): Ditto.
12544 (recompute_reg_usage): Ditto.
12545 (variable_tracking_main): Ditto.
12546 * integrate.c (emit_initial_value_sets): Ditto.
12547 * integrate.h (emit_initial_value_sets): Ditto.
12548 * tree-optimize.c (execute_free_datastructures): Ditto
12549 (execute_free_cfg_annotations): Ditto.
12550 (execute_fixup_cfg): Ditto.
12551 (execute_cleanup_cfg_pre_ipa): Ditto.
12552 (execute_cleanup_cfg_post_optimizing): Ditto.
12553 (execute_init_datastructures): Ditto.
12554 * tree-object-size.c (compute_object_sizes): Ditto.
12555 * combine.c (rest_of_handle_combine): Ditto.
12556 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12557 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12558 (rest_of_handle_reorder_blocks): Ditto.
12559 (rest_of_handle_partition_blocks): Ditto.
12560 * var-tracking.c (variable_tracking_main): Ditto.
12561 * tree-profile.c (tree_profiling): Ditto.
12562 * tree-vect-generic.c (expand_vector_operations): Ditto.
12563 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12564 * sched-rgn.c (rest_of_handle_sched): Ditto.
12565 (rest_of_handle_sched2): Ditto.
12566 * basic-block.h (free_bb_insn): Ditto.
12567 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12568 * tree-cfg.c (execute_build_cfg): Ditto.
12569 (remove_useless_stmts): Ditto.
12570 (split_critical_edges): Ditto.
12571 (execute_warn_function_return): Ditto.
12572 (execute_warn_function_noreturn): Ditto.
12573 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12574 * cfgrtl.c (free_bb_for_insn): Ditto.
12575 * passes.c (execute_one_pass): Run additional
12576 todos returned by execute function.
12577 * tree-pass.h (struct tree_opt_pass): Make execute
12580 2006-03-02 Richard Guenther <rguenther@suse.de>
12582 * tree-ssa-alias.c (find_used_portions): Consider taking
12583 the address as making the variable not write-only.
12585 2006-03-02 Nick Clifton <nickc@redhat.com>
12587 * config.gcc (default_use_cxa_atexit): Extend the description of
12588 this configure variable. Set its default value to "yes" for
12589 Linux, NetBSD and ELF targets on the assumption that they will
12590 use C libraries with the __cxa_atexit function.
12592 2006-03-02 Ben Elliston <bje@au.ibm.com>
12594 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12595 parameter as unused to suppress a build warning.
12597 2006-03-02 Ben Elliston <bje@au.ibm.com>
12599 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12602 2006-03-01 Roger Sayle <roger@eyesopen.com>
12605 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12606 declared name, the weak reference name, and the typeof name.
12607 (__gthrw): Avoid expanding the declared name suffix.
12608 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12610 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12612 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12614 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12615 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12616 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12617 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12618 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12619 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12620 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12621 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12622 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12623 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12624 (DW_END_default, DW_END_big, DW_END_little): New.
12625 (DW_END_lo_user, DW_END_hi_user): Define.
12626 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12627 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12628 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12631 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12633 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12635 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12637 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12639 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12641 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12642 to 'symbol_mem_tag'.
12644 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12647 2006-03-01 Roger Sayle <roger@eyesopen.com>
12649 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12651 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12654 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12655 MACHO_DYNAMIC_NO_PIC_P.
12656 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12661 * config/darwin-protos.h (darwin_asm_output_anchor):
12663 * config/darwin-sections.def (cstring_section):
12664 Add SECTION_MERGE to the flags.
12665 (literal4_section): Likewise.
12666 (literal8_section): Likewise.
12667 (objc_selector_refs_section): Likewise.
12668 (objc_cls_refs_section): Likewise.
12669 * config/darwin.c (darwin_asm_output_anchor): New
12671 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12673 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12675 Fix PR tree-optimization/26443
12676 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12677 to todo and PROP_tmt_usage to properties_destroyed.
12678 * tree-ssa-ccp.c (pass_ccp): Ditto.
12679 (pass_store_ccp): Ditto.
12680 * tree-ssa-dom.c (pass_dominator): Ditto.
12682 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12684 * tree-ssa-operands.c: Cleanup whitespace.
12685 (get_asm_expr_operands): Move before first invocation.
12686 (get_indirect_ref_operands): Likewise.
12687 (get_tmr_operands): Likewise.
12688 (get_call_expr_operands): Likewise.
12689 (append_def): Likewise.
12690 (append_use): Likewise.
12691 (append_v_may_def): Likewise.
12692 (append_v_must_def): Likewise.
12693 (add_call_clobber_ops): Likewise.
12694 (add_call_read_ops): Likewise.
12695 (add_stmt_operand): Likewise.
12696 (add_virtual_operand): Likewise.
12697 (build_ssa_operands): Likewise.
12699 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12701 PR middle-end/26022
12703 PR middle-end/24437
12704 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12705 with a call expr to ...
12706 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12708 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12710 * tree-vrp.c (extract_range_from_assert): Remove special
12711 handling for types with super-types.
12713 2006-03-01 Ben Elliston <bje@au.ibm.com>
12715 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12716 and powerpc64-*-linux* configurations.
12717 * config/t-dfprules: New file.
12719 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12720 Compile dfp-bit.c from the source directory using -DWIDTH and
12721 $DFP_CFLAGS to control the compilation of that file, rather than
12722 generating width-specific versions in the build directory.
12723 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12724 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12726 2006-02-28 Zack Weinberg <zackw@panix.com>
12728 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12731 2006-02-28 Eric Christopher <echristo@apple.com>
12733 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12734 Set up IN_LIBGCC definition of TARGET_64BIT.
12735 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12737 2006-02-28 Roger Sayle <roger@eyesopen.com>
12739 PR middle-end/14752
12740 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12741 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12742 cases via the construction of "expr != 0".
12744 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12746 * alias.c (alias_invariant, alias_invariant_size): Remove.
12747 (record_base_value): Remove.
12748 (memrefs_conflict_p): Don't look at alias_invariant.
12749 (end_alias_analysis): Don't free it.
12750 * alias.h (record_base_value): Remove prototype.
12752 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12753 Adam Nemet <anemet@caviumnetworks.com>
12755 * rtl.h (truncated_to_mode): Declare it.
12756 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12757 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12758 (RTL_HOOKS_INITIALIZER): Include it.
12759 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12760 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12761 reg_truncated_to_mode.
12762 * rtlanal.c (truncated_to_mode): Define it.
12763 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12765 2006-02-28 Jeff Law <law@redhat.com>
12767 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12768 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12769 the range allowed by TYPE_PRECISION.
12771 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12773 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12775 PR tree-optimization/26419
12776 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12779 2006-02-27 Zack Weinberg <zackw@panix.com>
12781 * doc/md.texi: Fix typo in previous change.
12783 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12787 2006-02-27 Zack Weinberg <zackw@panix.com>
12789 * rtl.def (define_constraint, define_register_constraint)
12790 (define_memory_constraint, define_address_constraint): New MD forms.
12791 * gensupport.c (process_rtx): Put define_constraint etc on the
12793 * genpreds.c (process_define_predicate): Adjust comment. Validate
12794 the name, and call validate_exp to validate the expression.
12795 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12796 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12797 all callers changed.
12798 (validate_exp, needs_variable, struct constraint_data)
12799 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12800 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12801 (const_dbl_constraints, constraint_max_namelen)
12802 (have_register_constraints, have_memory_constraints)
12803 (have_address_constraints, have_address_constraints)
12804 (have_extra_constraints, have_const_int_constraints)
12805 (have_const_dbl_constraints, mangle, add_constraint)
12806 (process_define_constraint, process_define_register_constraint)
12807 (write_enum_constraint_num, write_lookup_constraint)
12808 (write_insn_constraint_len, write_regclass_for_constraint)
12809 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12810 (write_insn_extra_memory_constraint)
12811 (write_insn_extra_address_constraint)
12812 (write_satisfies_constraint_fns): New.
12813 (write_tm_preds_h): If we have new-style constraint definitions,
12814 prototype the functions generated from them, and define the
12815 old constraint interface (still used by generic code) in terms of
12817 (write_insn_preds_c): If we have new-style constraint definitions,
12818 generate all relevant functions from those definitions.
12819 (main): Handle define_constraint etc.
12820 * genoutput.c (struct constraint_data, indep_constraints)
12821 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12822 (mdep_constraint_len): New data structures and functions, defined
12823 #ifdef USE_MD_CONSTRAINTS.
12824 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12825 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12826 use new logic to validate operand constraints against constraint
12828 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12830 * defaults.h: If none of the old-style constraint macros are
12831 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12832 old-style macros; and poison REG_CLASS_FROM_LETTER,
12833 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12835 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12836 * doc/md.texi: Document new constraint-definition mechanism and the
12837 C interface it provides. Remove references to old mechanism
12838 elsewhere in the document.
12839 (Machine Constraints): Use pathnames relative to gcc directory,
12840 i.e. config/ARCH/FILE. Change i386 section to refer to
12841 config/i386/predicates.md; update that section to match docstrings.
12842 * doc/tm.texi: Move all documentation of the old constraint-
12843 definition macros to their own section, clearly mark as obsolete.
12845 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12846 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12848 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12849 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12850 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12851 constraint strings.
12852 (splits and peepholes): Use satisfies_constraint_*.
12853 * config/i386/i386.c (memory_address_length)
12854 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12856 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12858 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12859 scalar operation to be put back into the loop.
12861 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12864 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12865 (extract_cie_info): Handle S flag in augmentation string.
12866 (execute_cfa_program): If context->signal_frame, execute also
12867 fs->pc == context->ra instructions.
12868 (uw_frame_state_for): If context->signal_frame, don't subtract one
12869 from context->ra to find FDE.
12870 (uw_update_context_1): Set context->signal_frame to
12872 (_Unwind_GetIPInfo): New function.
12873 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12874 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12876 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12877 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12878 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12879 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12880 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12881 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12882 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12883 x86_64_fallback_frame_state): Set fs->signal_frame.
12884 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12885 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12886 (frob_update_context): Likewise. Workaround missing S flag in
12887 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12888 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12889 Remove the psw_addr + 1 hack.
12891 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12893 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12894 with aggregates here.
12895 (find_func_aliases): Remove code for &<aggregate> from here.
12897 2006-02-26 Roger Sayle <roger@eyesopen.com>
12899 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12900 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12901 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12902 as (X & C) ne/eq 0.
12904 2006-02-26 Roger Sayle <roger@eyesopen.com>
12906 PR middle-end/19983
12907 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12909 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12911 * opts.c (decode_options): Do not handle flag_strength_reduce.
12912 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12913 and OPT_fstrength_reduce.
12914 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12915 flag_prefetch_loop_arrays for being nonzero.
12916 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12918 (fprefetch-loop-arrays-rtl): Removed.
12919 (flag_prefetch_loop_arrays): Do not specify the value.
12921 * doc/passes.texi: Update documentation of loop optimizer
12923 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12924 -frerun-loop-opt): Remove.
12926 2006-02-26 Richard Guenther <rguenther@suse.de>
12928 PR tree-optimization/26421
12929 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12930 in function calls that are ADDR_EXPRs as using the whole structure.
12932 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12934 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12935 * tree-pass.h (pass_loop_optimize): Remove.
12936 * passes.c (pass_loop_optimize): Never run it.
12937 * toplev.c (backend_init): Don't call init_loop.
12938 * opts.c (flag_loop_optimize_set): Remove.
12939 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12940 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12941 the old RTL loop optimizer when profiling enabled.
12942 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12943 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12944 pre-headers for the sake of the old RTL loop optimizer.
12945 * Makefile.in: Remove all references to loop.o.
12947 * doc/invoke.texi: Remove all references to -floop-optimize
12948 and -frerun-loop-opt.
12950 2006-02-26 Zack Weinberg <zackw@panix.com>
12952 * doc/md.texi (Machine Constraints): Refer to all files with paths
12953 relative to gcc directory (i.e. config/CPU/file). Add missing
12954 @table @code ... @end table to M32C subsection.
12956 2006-02-26 Roger Sayle <roger@eyesopen.com>
12958 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12960 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12962 2006-02-26 Roger Sayle <roger@eyesopen.com>
12963 James A. Morrison <phython@gcc.gnu.org>
12965 PR middle-end/21137
12966 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12967 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12968 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12969 signedness of the shift operation.
12971 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12973 PR tree-optimization/26359
12974 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12976 2006-02-25 Roger Sayle <roger@eyesopen.com>
12978 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12979 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12980 as X == 0, and some symmetry related transformations.
12981 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12983 2006-02-25 Roger Sayle <roger@eyesopen.com>
12985 PR middle-end/23673
12986 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12987 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12988 symmetry related transformations. Fold (X^C1) == C2 as
12991 2006-02-25 Juergen Weigert <jw@suse.de>
12992 Richard Guenther <rguenther@suse.de>
12994 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12996 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12998 * combine.c (gen_lowpart_or_truncate): Call
12999 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13001 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13003 * doc/invoke.texi: Move -fopenmp description to "Options for
13005 Remove reference to -lgomp.
13007 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13009 * doc/install.texi: Require GNU tar version 1.14.
13011 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13013 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13014 * doc/invoke.texi (C++ Dialect Options): Document
13015 -fno-use-cxa-get-exception-ptr.
13016 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13017 * configure: Regenerate.
13018 * c.opt (fuse-cxa-get-exception-ptr): New.
13019 * c-opts.c (c_common_handle_option): Handle
13020 OPT_fuse_cxa_get_exception_ptr.
13021 * c-common.c (flag_use_cxa_atexit): Update documentation.
13022 (flag_use_cxa_get_exception_ptr): New.
13023 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13024 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13026 (C_COMMON_OVERRIDE_OPTIONS): New.
13028 2006-02-24 Roger Sayle <roger@eyesopen.com>
13030 PR middle-end/24952
13031 * combine.c (try_combine): Explicitly check whether GET_CODE is
13032 a SET or a CLOBBER, instead on checking that it isn't a USE.
13034 2006-02-24 Roger Sayle <roger@eyesopen.com>
13036 * fold-const.c (fold_comparison): New subroutine of fold_binary
13037 containing transformations common to both the equality and
13038 ordering relational operators, factored out of fold_binary.
13039 (fold_binary): Separate out the equality operators (EQ_EXPR
13040 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13041 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13042 transformations common to both.
13043 (fold_div_compare): Fix latent bugs in the previously unreachable
13044 LT_EXPR and GE_EXPR cases.
13046 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13048 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13049 decl libname for clog to __clog on AIX.
13051 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13053 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13056 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13057 output traceback table for thunks. Localise rs6000_stack_info call.
13059 2006-02-23 Roger Sayle <roger@eyesopen.com>
13060 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13062 * gthr-posix.h (__gthrw): Fix typo in comment.
13064 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13066 * doc/cpp.texi (Character sets): Document that we do support
13067 input files to be in any character set.
13069 2006-02-23 Jeff Law <law@redhat.com>
13071 * tree.h (PHI_ARG_NONZERO): Remove.
13072 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13073 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13074 node to the new node.
13076 PR tree-optimization/26425
13077 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13078 min/max, then assume its varying.
13080 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13082 PR rtl-optimization/26316
13083 * rtlanal.c (enum may_trap_p_flags): New.
13084 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13085 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13086 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13087 (may_trap_after_code_motion_p): New function.
13088 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13089 (find_invariant_insn): Use may_trap_after_code_motion_p.
13090 * rtl.h (may_trap_after_code_motion_p): Declare.
13092 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13094 * emit-rtl.c (immed_double_const): Cleanup.
13096 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13098 Fix PR tree-optimization/26376
13099 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13102 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13104 PR middle-end/26412
13105 * gimplify.c (omp_add_variable): Guard variable size decl test with
13106 DECL_SIZE (decl) check.
13108 2006-02-23 Richard Guenther <rguenther@suse.de>
13110 PR middle-end/26439
13111 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13112 like aggregate types.
13114 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13116 * configure.ac: Add --with{,out}-long-double-128 configure option.
13117 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13118 * configure: Rebuilt.
13119 * config.in: Rebuilt.
13120 * doc/install.texi (Options specification): Document
13121 --with-long-double-128.
13123 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13124 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13125 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13126 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13128 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13130 * config/s390/s390.c (override_options): Handle
13131 TARGET_DEFAULT_LONG_DOUBLE_128.
13133 * config/alpha/alpha.c (override_options): Handle
13134 TARGET_DEFAULT_LONG_DOUBLE_128.
13136 * config/sparc/sparc.c (sparc_override_options): Handle
13137 TARGET_DEFAULT_LONG_DOUBLE_128.
13139 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13141 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13142 (real-install-headers-tar, real-install-headers-cpio)
13143 (real-install-headers-cp): New targets.
13145 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13147 * tree.h (variable_section): Delete.
13148 * varasm.c (variable_section): Delete.
13150 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13152 * install.texi: Add notes on install.texi2html.
13153 (Building in parallel): Do not use footnotes.
13155 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13158 * doc/install.texi (Configuration): Document --disable-libgomp.
13160 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13162 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13164 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13166 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13167 (vec_extractv2df_0_sse): New.
13169 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13171 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13172 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13173 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13174 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13175 to the result of the expression.
13176 (def_cfa_1): Adjust.
13177 (frame_pointer_cfa_offset): Rename to...
13178 (frame_pointer_fb_offset): ... this. Adjust all uses.
13179 (convert_cfa_to_loc_list): Rename to...
13180 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13181 Pass it on to build_cfa_loc.
13182 (compute_frame_pointer_to_cfa_displacement): Rename to...
13183 (compute_frame_pointer_to_fb_displacement): ... this. New
13184 offset parameter. Use it in computation.
13185 (gen_subprogram_die): Compute cfa_fb_offset with the new
13186 macro, and use it to compute the fb loc list and the
13189 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13191 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13192 replaced with register_operand.
13193 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13194 non-DREG is expensive.
13195 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13196 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13199 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13201 * doc/install.texi2html: Use set -e.
13203 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13205 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13206 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13207 * doc/invoke.texi (-fshared-data): Delete.
13208 * common.opt (fshared-data): Delete.
13209 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13210 (assemble_static_space): Remove #if 0 code.
13211 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13212 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13213 * config/cris/cris.h: Remove FIXME.
13215 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13217 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13220 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13222 PR middle-end/26379
13223 * combine.c (simplify_shift_const_1): Disable nested shifts
13224 optimization for vector shifts.
13226 2006-02-20 Roger Sayle <roger@eyesopen.com>
13228 PR tree-optimization/26361
13229 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13230 of unsigned integer types.
13232 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13234 * tree-chrec.c (eq_evolutions_p): New.
13235 * tree-chrec.h (eq_evolutions_p): Declared.
13236 * tree-data-ref.c: Fix formatting.
13237 (datadep_stats, dependence_stats): New.
13239 (print_direction_vector): New.
13240 (dump_data_dependence_relation): Use print_direction_vector.
13241 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13242 (compute_subscript_distance): Static.
13243 (initialize_data_dependence_relation): Static. Get the number
13244 of loops surrounding the references from the callers, and initialize
13245 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13246 base_object_differ_p analyzers.
13247 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13248 compute_overlap_steps_for_affine_1_2,
13249 analyze_subscript_affine_affine): Count the classified dependences.
13250 Print a message when a test failed.
13251 (can_use_analyze_subscript_affine_affine): New.
13252 (analyze_siv_subscript): Compute the data dependences on symbolic
13253 scevs that verify can_use_analyze_subscript_affine_affine.
13254 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13255 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13256 Handle symbolic scevs.
13257 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13259 (subscript_dependence_tester): Moved...
13260 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13261 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13262 DDR_SIZE_VECT instead of getting it in parameter.
13263 (subscript_dependence_tester): ... here. Take as a parameter
13264 loop_nest_depth. Call build_classic_dist_vector and
13265 build_classic_dir_vector.
13266 (compute_affine_dependence): Update subscript_dependence_tester
13267 parameters. Update datadep_stats counters. Call
13268 compute_subscript_distance.
13269 (compute_self_dependence): Save the dist and dir vectors. Call
13270 compute_subscript_distance.
13271 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13272 (compute_all_dependences): Reorder parameters as they were before
13273 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13274 compute_subscript_distance. Update the use of
13275 compute_affine_dependence and initialize_data_dependence_relation.
13276 (find_data_references_in_loop): Handle COMPONENT_REF.
13277 (compute_data_dependences_for_loop): Initialize dependence_stats.
13278 Don't call build_classic_dist_vector and build_classic_dir_vector.
13279 Update the parameters of initialize_data_dependence_relation and
13280 compute_all_dependences. Print the statistics from datadep_stats.
13281 (analyze_all_data_dependences): Static. Not used until the pass for
13282 checking the data dependences is contributed.
13283 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13284 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13285 (initialize_data_dependence_relation, compute_affine_dependence,
13286 analyze_all_data_dependences, compute_subscript_distance): Removed.
13287 (print_direction_vector): New.
13288 * lambda.h (gcd): ... here.
13289 (lambda_vector_gcd): Moved here from gcd_vector.
13290 * lambda-code.c (gcd, gcd_vector): Removed.
13291 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13292 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13294 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13296 * ipa-type-escape.c: Tidy some comments and white space.
13297 * tree-ssa-operands.c: Likewise.
13299 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13302 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13303 (dump_decl_name): Do not walk the decl tree chains.
13304 * tree-pass.h (TDF_CHAIN): Remove.
13306 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13308 * Makefile.in (C): Remove
13310 (.PHONY): Remove C and PROTO
13312 2006-02-20 Roger Sayle <roger@eyesopen.com>
13314 PR middle-end/26236
13315 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13316 deprecated CHAR_TYPE tree code.
13318 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13320 * configure.ac (target_list): Add install-info, dvi, html.
13321 * configure: Regenerate.
13323 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13324 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13325 treelang/Make-lang.in: Do not use double-colon rules.
13327 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13329 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13330 (TMT_USED_ALONE): New macro.
13331 * tree-pass.h (PROP_tmt_usage): New property.
13332 (TODO_update_tmt_usage): New todo.
13333 * tree-ssa-alias.c (updating_used_alone): New variable.
13334 (recalculate_used_alone): New function.
13335 (compute_may_aliases): Set updating_used_alone, call
13336 recalculate_used_alone.
13337 * tree-sra.c (pass_sra): Note that this pass destroys
13338 PROP_tmt_usage, and add TODO_update_tmt_usage.
13339 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13340 * tree-flow.h (updating_used_alone): Prototype.
13341 (recalculate_used_alone): Ditto.
13342 * passes.c (execute_todo): Add code to set updating_used_alone,
13343 and call recalculate.
13344 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13345 for clobber if used alone, and add assert to verify used_alone
13348 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13350 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13351 for non tls symbols added.
13352 (legitimize_address): Do nothing for PLUS expressions if one of the
13353 addends is a tls symbol reference.
13355 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13359 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13361 * Makefile.in (BOOTSTRAPPING): New.
13362 (quickstrap): New definition if BOOTSTRAPPING=yes.
13364 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13365 * configure.ac: Substitute all_selected_languages with the languages
13366 that were configured. For all the other variables except
13367 lang_specs_files, include all the languages in the tree.
13368 * configure: Regenerate.
13370 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13371 if there is one. Run the commands to run fixincludes in the same
13374 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13375 * doc/install.texi: Document exact conventions for searching target tools.
13376 Document --with-build-time-tools. Document toplevel bootstrap. Document
13377 something more about building an Ada cross-compiler. Don't list GNU Make
13378 requirements which affect all platforms.
13380 2006-02-19 Roger Sayle <roger@eyesopen.com>
13382 PR middle-end/19543
13383 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13384 only equivalent if the have both the same mode and precision.
13386 2006-02-20 Ben Elliston <bje@au.ibm.com>
13388 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13390 2006-02-19 Roger Sayle <roger@eyesopen.com>
13391 Steven Bosscher <stevenb.gcc@gmail.com>
13393 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13394 constant pool references to identify stack mode constants.
13395 * rtlanal.c (constant_pool_constant_p): New predicate to check
13396 whether operand is a floating point constant in the pool.
13397 * rtl.h (constant_pool_constant_p): Prototype here.
13398 * loop.c (scan_loop): Avoid hoisting constants from the constant
13399 pool on STACK_REGS targets.
13400 (load_mems): Likewise.
13401 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13402 loads into x87 registers expensive in terms of register pressure.
13404 2006-02-19 Roger Sayle <roger@eyesopen.com>
13406 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13407 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13409 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13411 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13412 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13414 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13416 * doc/invoke.texi: Document -fipa-pta.
13417 * common.opt: Add ipa-pta option.
13418 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13419 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13420 (do_ds_constraint): Ditto.
13421 (get_constraint_for): Only add to referenced_vars if
13422 referenced_vars exists.
13423 (insert_into_field_list): Rewrite to do this unsorted.
13424 (insert_into_field_list_sorted): Rename old insert_into_field_list
13426 (create_function_info_for): Use insert_into_field_list_sorted.
13427 (create_variable_info_for): Rewrite so it uses unsorted version,
13428 since the field list is sorted.
13429 (intra_create_variable_infos): Only add to referenced_vars if
13430 referenced_vars exists.
13431 (ipa_pta_execute): Init heapvars, and delete when done.
13432 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13434 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13436 * doc/install.texi: Add missing `@samp'.
13438 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13440 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13443 2006-02-18 Mark Wielaard <mark@klomp.org>
13445 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13446 who added new 4.1 features, bug fixes and integration support.
13448 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13451 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13452 MEM for ABI_V4 pic.
13454 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13456 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13457 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13458 (copy_insn_1): Likewise. Don't copy each field individually.
13460 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13462 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13463 * rtl.c (rtx_size): Rename variable to...
13464 (rtx_code_size): ...this.
13465 (rtx_size): New function.
13466 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13467 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13469 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13470 * rtl.h (rtx_code_size): New variable.
13471 (rtx_size): Change from a variable to a function.
13472 (RTX_SIZE): Rename to...
13473 (RTX_CODE_SIZE): ...this.
13476 PR tree-optimization/17106
13477 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13478 (Anchored Addresses): New section.
13479 * doc/invoke.texi (-fsection-anchors): Document.
13480 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13481 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13482 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13483 * hooks.c (hook_bool_mode_rtx_false): New function.
13484 * hooks.h (hook_bool_mode_rtx_false): Declare.
13485 * gengtype.c (create_optional_field): New function.
13486 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13487 SYMBOL_REF_IN_BLOCK_P is true.
13488 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13489 (min_anchor_offset, max_anchor_offset): Likewise.
13490 (use_anchors_for_symbol_p): New hook.
13491 * toplev.c (compile_file): Call output_object_blocks.
13492 (target_supports_section_anchors_p): New function.
13493 (process_options): Check that -fsection-anchors is only used on
13494 targets that support it and when -funit-at-a-time is in effect.
13495 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13496 if the decl doesn't have one.
13497 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13498 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13499 of force_const_mem through use_anchored_address.
13500 (expand_expr_constant): New function.
13501 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13502 calling expand_expr for INDIRECT_REF.
13503 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13504 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13505 * expr.h (use_anchored_address): Declare.
13506 * loop-unroll.c: Don't declare rtx vectors here.
13507 * explow.c: Include output.h.
13508 (validize_mem): Call use_anchored_address.
13509 (use_anchored_address): New function.
13510 * common.opt (-fsection-anchors): New switch.
13511 * varasm.c (object_block_htab, anchor_labelno): New variables.
13512 (hash_section, object_block_entry_eq, object_block_entry_hash)
13513 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13514 (use_blocks_for_decl_p, change_symbol_section): New functions.
13515 (get_variable_section): New function, split out from assemble_variable.
13516 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13517 use_blocks_for_decl_p say so. Use change_symbol_section if the
13518 symbol has already been created.
13519 (assemble_variable_contents): New function, split out from...
13520 (assemble_variable): ...here. Don't output any code for
13521 block symbols; just pass them to place_block_symbol.
13522 Use get_variable_section and assemble_variable_contents.
13523 (get_constant_alignment, get_constant_section, get_constant_size): New
13524 functions, split from output_constant_def_contents.
13525 (build_constant_desc): Create a block symbol if use_object_blocks_p
13526 says so. Or into SYMBOL_REF_FLAGS.
13527 (assemble_constant_contents): New function, split from...
13528 (output_constant_def_contents): ...here. Don't output any code
13529 for block symbols; just pass them to place_section_symbol.
13530 Use get_constant_section and get_constant_alignment.
13531 (force_const_mem): Create a block symbol if use_object_blocks_p and
13532 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13533 (output_constant_pool_1): Add an explicit alignment argument.
13534 Don't switch sections here.
13535 (output_constant_pool): Adjust call to output_constant_pool_1.
13536 Switch sections here instead. Don't output anything for block symbols;
13537 just pass them to place_block_symbol.
13538 (init_varasm_once): Initialize object_block_htab.
13539 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13540 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13541 (place_block_symbol, get_section_anchor, output_object_block)
13542 (output_object_block_htab, output_object_blocks): New functions.
13543 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13544 (TARGET_ASM_OUT): Include it.
13545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13546 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13547 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13548 (TARGET_INITIALIZER): Include them.
13549 * rtl.c (rtl_check_failed_block_symbol): New function.
13550 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13551 (block_symbol, object_block): New structures.
13552 (rtx_def): Add a block_symbol field to the union.
13553 (BLOCK_SYMBOL_CHECK): New macro.
13554 (rtl_check_failed_block_symbol): Declare.
13555 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13556 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13557 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13558 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13559 * output.h (output_section_symbols): Declare.
13560 (object_block): Name structure.
13561 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13562 (default_use_anchors_for_symbol_p): Declare.
13563 * Makefile.in (RTL_BASE_H): Add vec.h.
13564 (explow.o): Depend on output.h.
13565 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13566 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13567 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13568 (rs6000_use_blocks_for_constant_p): New function.
13570 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13572 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13574 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13577 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13580 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13582 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13586 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13588 PR middle-end/26334
13589 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13590 instead of DECL_REGISTER.
13592 2006-02-18 Olivier Hainque <hainque@adacore.com>
13595 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13597 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13600 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13601 * opth-gen.awk: Handle Var and InverseMask together.
13602 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13603 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13604 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13605 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13607 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13608 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13609 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13610 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13611 LINUX_DYNAMIC_LINKER): Define.
13612 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13613 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13615 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13616 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13617 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13619 (TARGET_C99_FUNCTIONS): Don't define.
13620 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13621 GLIBC_DYNAMIC_LINKER.
13622 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13623 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13624 GLIBC_DYNAMIC_LINKER64): Define.
13625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13626 LINUX_DYNAMIC_LINKER64.
13627 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13629 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13631 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13633 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13634 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13635 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13637 and LINUX_DYNAMIC_LINKER32.
13638 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13640 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13642 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13644 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13645 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13646 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13647 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13648 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13649 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13650 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13651 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13652 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13653 LINUX_DYNAMIC_LINKER): Define.
13654 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13655 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13656 GLIBC_DYNAMIC_LINKER64): Define.
13657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13658 LINUX_DYNAMIC_LINKER64.
13659 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13660 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13661 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13663 LINUX_DYNAMIC_LINKER): Define.
13664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13665 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13666 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13667 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13668 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13669 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13670 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13671 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13672 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13673 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13675 * doc/invoke.texi (-muclibc): Remove caveat about supported
13678 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13680 * doc/cpp.texi (__TIMESTAMP__): Document.
13682 2006-02-17 Roger Sayle <roger@eyesopen.com>
13684 PR middle-end/25600
13685 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13686 C is one less than the width of X (and related transformations).
13687 * simplify-rtx.c (simplify_unary_operation_1): Transform
13688 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13689 depending on STORE_FLAG_VALUE, were C is one less then the
13692 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13694 Fix PR tree-optimization/26341
13695 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13696 about NAME_MEMORY_TAG's.
13698 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13701 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13702 with hardware float support, and software float support. Add fcpy
13703 alternative to hardware patterns. Add alternatives to copy between
13704 general and floating-point registers to the 32-bit pattern.
13705 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13706 secondary reload to load a QI or HI mode constant into a floating
13708 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13709 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13711 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13714 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13716 (load_macho_picbase_di): Likewise.
13718 2006-02-16 Jeff Law <law@redhat.com>
13720 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13721 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13722 (ssa_name_nonzero_p): Likewise.
13723 (get_value_range): Return NULL if VRP is not running.
13724 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13725 VRP routines do not discover a range.
13726 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13727 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13728 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13729 (tree_expr_nonnegative_p): Similarly.
13730 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13731 (restore_nonzero_vars_to_original_value): Remove.
13732 (unsafe_associative_fp_binop): Remove.
13733 (tree_ssa_dominator_optimize): Remove initialization and
13734 finalization of nonzero_vars and nonzero_vars_stack.
13735 (dom_opt_initialize_block): No longer push marker on
13736 nonzero_vars_stack.
13737 (dom_opt_finalize_block): No longer call
13738 restore_nonzero_vars_to_original_value.
13739 (record_equivalences_from_phis): No longer look for
13740 nonzero PHI arguments.
13741 (cprop_into_successor_phis): No longer propagate nonzero
13742 property into PHI arguments. Lose unused argument. Caller
13744 (record_equivalences_from_stmt): No longer record nonzero
13745 values for SSA_NAMEs.
13746 (lookup_avail_expr): No longer use nonzero_vars.
13748 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13749 for sizetype when sizetype is unsigned.
13751 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13753 PR rtl-optimization/25603
13754 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13755 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13756 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13757 with new meaning of SETS.
13759 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13764 * config/linux.opt: New file.
13765 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13766 LINUX_DYNAMIC_LINKER): Define.
13767 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13768 * config.gcc (*-*-linux*): Define extra_options.
13769 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13770 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13771 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13772 GLIBC_DYNAMIC_LINKER.
13773 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13774 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13775 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13777 * doc/invoke.texi (GNU/Linux Options): New section.
13779 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13781 * config/sparc/sparc.md (setjmp): Rewrite.
13782 (setjmp_32): Delete.
13783 (setjmp_64): Likewise.
13785 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13787 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13790 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13792 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13795 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13797 PR rtl-optimization/26296
13798 * Makefile.in (loop-invariant.c): Add except.h dependency.
13799 * loop-invariant.c: Include except.h.
13800 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13802 2005-02-16 Paul Brook <paul@codesourcery.com>
13804 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13807 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13809 PR rtl-optimization/25636
13810 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13811 when deciding whether an insn is an initializing insn.
13813 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13815 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13816 (tree_code_size): Ditto.
13817 * tree.h (struct tree_memory_tag): Remove parent_var.
13818 (struct tree_struct_field_tag): New.
13821 (union tree_node): Add sft member.
13822 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13824 (create_sft): Add size and offset argument, set SFT_OFFSET and
13826 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13827 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13828 * tree-flow-inline.h (get_subvar_at): Update for
13829 SFT_OFFSET/SFT_SIZE.
13830 (var_can_have_subvars): Ditto.
13831 (overlap_subvar): Ditto.
13832 * print-tree.c (print_node): Print out interesting things for
13834 * tree-flow.h (struct subvar): Remove offset and size members.
13835 * tree-ssa-operands.c (get_expr_operands): Update for
13836 get_indirect_ref_operands changes.
13837 (get_indirect_ref_operands): Call add_virtual_operand instead of
13838 add_stmt_operand. Only recurse on base var if requested.
13839 (access_can_touch_variable): New function.
13840 (add_stmt_operand): Split virtual operand handling into ...
13841 (add_virtual_operand): Here. Add offset, size, and for_clobber
13842 arguments. Prune alias sets.
13843 (add_call_clobber_ops): Call add_virtual_operand.
13845 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13847 PR middle-end/26300
13848 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13850 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13851 than TREE_CODE as index into omp_clause_num_ops array.
13853 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13855 PR rtl-optimization/26184
13856 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13858 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13859 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13860 must_precede, must_follow and tobe_scheduled.
13863 * opts.c (common_handle_option): Free new_option pointer.
13864 * df-core.c (df_analyze): Free postorder pointer.
13866 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13868 * Makefile.in: Fix the examples about the use of stamps
13870 2006-02-15 Michael Matz <matz@suse.de>
13872 PR middle-end/22275
13874 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13875 influenced by maximum_field_alignment or DECL_PACKED.
13876 (update_alignment_for_field): Ditto.
13877 (place_field): Ditto.
13878 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13881 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13883 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13884 (debug_flow_info): Pass it.
13885 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13886 * bb-reorder.c (reorder_basic_blocks): Likewise.
13887 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13888 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13889 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13890 * gcse.c (gcse_main, bypass_jumps): Likewise.
13891 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13892 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13893 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13894 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13895 * rtl.h (dump_flow_info): Adjust prototype.
13896 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13897 * var-tracking.c (variable_tracking_main): Likewise.
13898 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13899 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13902 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13904 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13907 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13909 PR tree-optimization/26209
13910 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13911 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13913 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13915 2006-02-14 Roger Sayle <roger@eyesopen.com>
13917 PR middle-end/23670
13918 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13919 (X,Y) and the corresponding symmetry related transformations.
13920 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13921 (X,Y) and its symmetry related transformations.
13923 2006-02-14 Roger Sayle <roger@eyesopen.com>
13925 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13928 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13930 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13932 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13935 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13936 support COMDAT group.
13937 * configure: Regenerate.
13939 2006-02-14 Roger Sayle <roger@eyesopen.com>
13941 PR middle-end/26279
13942 PR middle-end/26280
13943 PR middle-end/26283
13944 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13946 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13948 Fix PR tree-optimization/26260
13950 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13952 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13953 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13954 * tree-ssa-structalias.c (create_variable_info_for): Use
13955 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13957 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13959 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13961 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13962 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13963 of the ending condition.
13964 * tree-ssa-loop-manip.c: Include params.h.
13965 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13966 tree_unroll_loop): New functions.
13967 * tree-pass.h (pass_loop_prefetch): Declare.
13968 * loop.c (rest_of_handle_loop_optimize): Test for
13969 -fprefetch-loop-arrays-rtl.
13970 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13971 * timevar.def (TV_TREE_PREFETCH): New timevar.
13972 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13973 pass_loop_prefetch): New.
13974 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13975 (cleanup_tree_cfg_loop): Call scev_reset.
13976 * common.opt (fprefetch-loop-arrays-rtl): Add.
13977 * tree-ssa-loop-prefetch.c: New file.
13978 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13979 (new_temp_expr_table): Initialize expr_vars.
13980 (free_temp_expr_table): Cleanup expr_vars.
13981 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13982 expressions from being merged into one.
13983 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13984 (struct tree_niter_desc): Add control, bound and cmp fields.
13985 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13987 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13988 (tree-cfgcleanup.o): Add SCEV_H dependency.
13989 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13990 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13992 2006-02-14 Richard Guenther <rguenther@suse.de>
13994 PR tree-optimization/26258
13995 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13996 in PHI argument processing.
13998 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14000 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14001 new expression in the requested machine mode.
14003 2006-02-13 Roger Sayle <roger@eyesopen.com>
14005 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14006 directly, instead let do_compare_rtx_and_jump handle this for us.
14007 * expr.c (expand_expr_real_1): Likewise.
14008 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14009 before do_jump_by_parts_greater.
14010 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14011 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14013 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14015 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14017 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14019 PR rtl-optimization/26235
14020 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14021 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14024 2006-02-13 Jeff Law <law@redhat.com>
14026 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14029 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14031 PR middle-end/26092
14032 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14033 twice if decl is a builtin. When trying again, call get_callee_fndecl
14034 first to verify it is still a builtin.
14036 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14038 * dwarf2out.c (base_type_die): Don't add AT_name here.
14039 (subrange_type_die): Don't add AT_name here.
14040 (modified_type_die): Rearrange code flow. Do add AT_name here.
14042 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14044 PR rtl-optimization/26247
14045 PR rtl-optimization/26248
14046 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14048 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14050 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14051 * config/fixtfdi.c: Likewise.
14052 * config/fixunstfdi.c: Likewise.
14053 * config/floatditf.c: Likewise.
14055 2006-02-13 Roger Sayle <roger@eyesopen.com>
14057 PR middle-end/24427
14058 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14059 into (X,C2) if C1 is a subset of the bits of C2. Transform
14060 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14062 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14064 2006-02-13 Josh Conner <jconner@apple.com>
14067 * varasm.c (function_section): Check for section name before
14068 calling select_section on targets that define
14069 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14070 unlikely_text_section instead of hot_function_section if
14071 first_function_block_is_cold.
14073 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14075 PR middle-end/25335
14076 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14078 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14080 PR rtl-optimization/26222
14081 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14082 after tree->rtl expansion.
14083 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14084 before passing it to emit_move_insn.
14086 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14088 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14090 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14091 Clarify documentation.
14092 * c-common.h (warn_write_strings): Remove.
14093 * c-common.c (warn_write_strings): Likewise.
14094 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14097 2006-02-12 Roger Sayle <roger@eyesopen.com>
14099 PR middle-end/25724
14100 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14101 (do_jump_parts_zero_rtx): New function renamed from
14102 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14103 (do_jump_parts_equality_rtx): New function split out from
14104 do_jump_parts_equality. Old implementation renamed as above.
14105 Call do_jump_parts_zero_rtx if either operand is zero.
14106 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14107 do all of the heavy lifting.
14108 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14109 calling either do_jump_by_parts_greater_rtx or
14110 do_jump_by_parts_equality_rtx.
14111 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14112 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14113 moved to do_compare_rtx_and_jump, call it directly.
14114 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14115 mode argument. Call do_compare_rtx_and_jump.
14116 (emit_case_nodes): Update calls to do_jump_if_equal.
14118 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14120 PR rtl-optimization/26225
14121 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14125 PR rtl-optimization/26232
14126 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14128 2006-02-11 Jason Merrill <jason@redhat.com>
14131 * tree-inline.c (declare_return_variable): Just don't use the
14132 modify target if it's a gimple complex reg and the return slot
14135 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14137 * doc/contrib.texi: Update my entry.
14139 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14141 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14143 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14145 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14148 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14150 * doc/invoke.texi (-floop-optimize2): Removed.
14151 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14152 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14153 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14154 * common.opt (floop-optimize2): Removed.
14155 (fmove-loop-invariants): Enabled by default.
14157 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14159 * tree-if-conv.c (combine_blocks): Free the result of
14160 get_loop_exit_edges.
14162 2006-02-10 Jeff Law <law@redhat.com>
14164 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14166 PR tree-optimization/26213
14167 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14168 loop trying to follow SSA_NAME_VALUE chains.
14170 2006-02-10 Richard Guenther <rguenther@suse.de>
14172 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14173 deal with structures that end in implicitly variable sized arrays.
14175 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14177 PR rtl-optimization/24762
14178 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14181 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14183 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14184 (struct ivopts_data): Add regs_used field.
14185 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14186 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14187 instead of loop_data->regs_used;
14188 (free_loop_data): Do not free aux fields for loops.
14189 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14190 and tree_ssa_iv_optimize_finalize.
14192 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14194 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14196 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14199 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14200 computing the effective result type.
14202 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14204 PR inline-asm/16194
14205 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14206 (tree_overlaps_hard_reg_set): Declare.
14207 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14208 type and signature to match function type expected by walk_tree.
14209 (tree_overlaps_hard_reg_set): New function.
14210 (decl_conflicts_with_clobbers_p): Rename to:
14211 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14212 Use tree_overlaps_hard_reg_set. Changed caller.
14213 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14214 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14215 * cris.c (cris_md_asm_clobbers): Likewise.
14217 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14219 * reload1.c (emit_input_reload_insns): Delete code that tries to
14220 inherit using find_equiv_reg.
14222 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14224 * c-common.h (flag_const_strings): Don't declare.
14225 * c-common.c (flag_const_strings): Remove.
14226 * c.opt (fconst_strings): Remove.
14227 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14228 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14229 (c_common_init_options): Don't set flag_const_strings.
14230 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14232 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14234 * arm.md (tlobits_cbranch): New pattern.
14235 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14236 testing a single bit.
14238 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14241 * tree-ssa-pre.c (create_component_ref_by_pieces):
14242 Handle RETURN_DECL like VAR_DECL.
14244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14246 PR middle-end/26134
14247 * fold-const.c (fold_indirect_ref_1): Fold
14248 "*(foo *)&complexfoo" to "__real__ complexfoo"
14249 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14253 * tree-flow-inline.h (var_can_have_subvars):
14254 Volatile variables should not have subvariables.
14256 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14259 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14260 multiplying unsigned values.
14263 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14265 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14267 2006-02-08 Jason Merrill <jason@redhat.com>
14270 * tree.def: Elaborate on difference from MODIFY_EXPR.
14271 * doc/c-tree.texi (INIT_EXPR): Likewise.
14272 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14273 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14274 (gimplify_target_expr): Likewise.
14275 (gimplify_cond_expr): Remove target handling.
14276 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14277 (gimplify_expr): Clobber it here.
14278 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14279 Do return slot optimization if we have an INIT_EXPR.
14282 * tree-inline.c (declare_return_variable): Also clear
14283 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14286 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14288 PR middle-end/22439
14289 * gimplify.c (gimplify_one_sizepos): Fix typo.
14291 2006-02-08 Jeff Law <law@redhat.com>
14293 PR tree-optimization/21417
14294 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14295 across a backedge if the control statement at the end of the
14296 block is data dependent on other statements in the same block.
14297 (record_temporary_equivalences_from_stmts): Remove over-conservative
14298 test for threading across backedges.
14300 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14301 control statement, handle all three special cases in the same
14302 manner as they all have the same desired solution. No longer
14303 special case edge flag updating when the post dominator is
14306 2006-02-08 Roger Sayle <roger@eyesopen.com>
14308 * tree.def (CHAR_TYPE): Remove.
14309 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14310 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14311 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14312 (gen_string_type_die): Delete unreachable function.
14314 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14315 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14316 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14317 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14318 * builtins.c (type_to_class): Likewise.
14319 * fold-const.c (fold_convert, build_range_check,
14320 merge_ranges): Likewise.
14321 * expr.c (count_type_elements): Likewise.
14322 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14323 * stor-layout.c (layout_type): Likewise.
14324 * ipa-type-escape.c (type_to_consider): Likewise.
14325 * gimplify.c (omp_firstprivatize_type_sizes,
14326 gimplify_type_sizes): Likewise.
14327 * explow.c (promote_mode): Likewise.
14328 * tree-sra.c (is_sra_scalar_type): Likewise.
14329 * varasm.c (output_constant): Likewise.
14330 * tree-inline.c (remap_type_1): Likewise.
14331 * convert.c (convert_to_pointer, convert_to_real,
14332 convert_to_integer, convert_to_complex): Likewise.
14334 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14336 * df-scan.c (df_def_record_1): A set destination may
14337 be a parallel regardless of mode.
14339 2006-02-08 Roger Sayle <roger@eyesopen.com>
14342 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14343 * config/mips/_tilib.c: Remove.
14344 * config/fixtfdi.c: New libgcc source file.
14345 * config/fixunstfdi.c: New source file.
14346 * config/floatditf.c: New source file.
14347 * config/floatunditf.c: New souce file.
14348 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14349 files above instead of config/mips/_tilib.c.
14350 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14352 2006-02-08 Jeff Law <law@redhat.com>
14354 PR tree-optimization/26169
14355 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14358 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14360 * df.h (DF_REG_SIZE): Return the length of the initialized
14363 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14365 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14366 __muldf3): Return a correctly signed zero.
14368 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14370 * passes.c (register_one_dump_file): Accept the current properties
14371 instead of pass number. Adjust call to dump_register. Remove
14373 (register_dump_files): Now a wrapper around...
14374 (register_dump_files_1): ... this one. Do not modify the pass
14376 (next_pass_1): Cosmetic fix.
14377 (execute_todo): Keep second parameter only. Use curr_properties
14378 instead of fetching it from the pass structure. Check and set
14380 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14381 instead of fetching it from the pass structure. Fix calls to
14382 execute_todo. Update curr_properties and initialize .vcg RTL dump
14383 after running the pass. Reset last_verified.
14384 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14386 (FIRST_AUTO_NUMBERED_DUMP): New.
14387 (dump_register): Remove "num" parameter, assign it within the
14389 (get_dump_file_name): Modify template for dumps.
14390 * tree-dump.h (dump_register): Adjust prototype.
14391 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14392 (PROP_trees): Add PROP_gimple_lomp.
14393 (TODO_set_props): New.
14394 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14395 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14396 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14398 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14400 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14401 (sparc64-*-linux*): Likewise.
14402 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14403 * config/sparc/t-linux: New file.
14404 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14405 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14406 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14407 -m32 -mlong-double-128.
14409 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14410 * config/alpha/t-linux: New file.
14411 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14413 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14414 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14415 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14416 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14417 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14418 (CPP_ARCH32_SPEC): Remove.
14420 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14422 PR tree-optimization/26145
14423 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14426 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14429 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14430 >= 240000 when generating code for SOM runtime.
14431 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14432 to $$dyncall when generating code for SOM runtime..
14434 2006-02-07 Dirk Mueller <dmueller@suse.com>
14437 * doc/invoke.texi (-Wsequence-point): Update documentation
14438 that -Wsequence-point is implemented for C++ as well.
14440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14442 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14443 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14444 (LIB_SPEC): Likewise.
14445 * doc/invoke.texi (SPARC options): Document -pthread.
14447 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14449 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14452 2006-02-07 Roger Sayle <roger@eyesopen.com>
14454 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14455 Correct comment describing BOOLEAN_TYPE.
14457 2006-02-07 Dirk Mueller <dmueller@suse.com>
14459 * c.opt: C++ frontend supports -Wdiv-by-zero.
14460 * c-opts.c (c_common_handle_option): Remove dead case.
14462 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14464 * configure.ac (TLS assembler check): Do not enable TLS by
14465 default on SPARC/Solaris before version 10.
14466 * configure: Regenerate.
14468 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14470 * doc/invoke.texi (xl-compat): Document conversion and support
14473 2006-02-07 Jeff Law <law@redhat.com>
14475 * tree-vrp.c (find_conditional_asserts): Update comments.
14476 (simplify_stmt_for_jump_threading): New.
14477 (identify_jump_threads, finalize_jump_threads): New.
14478 (vrp_finalize): Call identify_jump_threads.
14479 (execute_vrp): Call finalize_jump_threads.
14480 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14481 (vrp_element, vrp_data, vrp_element_p): Remove.
14482 (vrp_hash_elt, vrp_variables_stack): Remove.
14483 (vrp_hash, vrp_eq, record_range): Remove.
14484 (simplify_cond_and_lookup_avail_expr): Remove.
14485 (extract_range_from_cond): Remove.
14486 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14487 (simplify_stmt_for_jump_threading): New.
14488 (dom_thread_across_edge): New wrapper.
14489 (tree_ssa_dominator_optimize): No longer initialize or
14490 finalize any of the VRP datastructures. Remove iteration
14491 step and simplify as a result of removal of iteration step.
14492 (pass_dominator): Perform a cfg cleanup after DOM.
14493 (dom_opt_finalize_block): Use the new common routines
14494 for threading jumps. Simplify stack management slightly.
14495 No longer need to unwind VRP state.
14496 (record_equivalences_from_incoming_edge): No longer record
14498 (eliminate_redundant_computations): No longer call
14499 simplify_cond_and_lookup_avail_expr.
14500 * tree-flow.h (potentially_threadable_block): Prototype.
14501 (thread_across_edge): Likewise.
14502 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14503 (tree-ssa-threadedge.o): Add dependencies.
14504 * tree-ssa-threadedge.c: New file.
14505 * passes.c (init_optimization_passes): Merge PHIs before
14506 calling VRP. Run VRP again late in the SSA optimization pipeline.
14508 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14510 * df-core.c (df_set_blocks): Do not dereference function pointers.
14511 (df_finish1): Likewise.
14512 (df_hybrid_search_forward): Likewise.
14513 (df_hybrid_search_backward): Likewise.
14514 (df_iterative_dataflow): Likewise.
14515 (df_analyze_problem): Likewise.
14516 (df_compact_blocks): Likewise.
14517 (df_dump): Likewise.
14518 * df-scan.c (df_rescan_blocks): Likewise.
14519 (df_record_entry_block_defs): Likewise.
14521 * genconditions.c (write_conditions): Guard the definition of
14522 'insn_conditions' with the check on GCC version.
14523 (write_writer): Guard the traversal 'insn_conditions' with
14524 the check on GCC version.
14526 2006-02-07 Richard Guenther <rguenther@suse.de>
14530 2006-01-30 Richard Guenther <rguenther@suse.de>
14532 * gimplify.c (gimplify_target_expr): Handle easy cases
14533 without creating a temporary.
14535 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14537 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14538 use of float in probability computations. Use edge probabilities
14539 in place of statically computed probabilities.
14540 (min_spec_prob): New static variable.
14541 (schedule_insns): Initialize it.
14542 (GET_SRC_PROB): Removed.
14543 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14545 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14548 * config/ia64/unwind-ia64.c: Revert last change.
14549 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14550 (INCOMING_FRAME_SP_OFFSET): Define.
14552 2006-02-06 Roger Sayle <roger@eyesopen.com>
14554 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14556 2006-02-07 Ben Elliston <bje@au.ibm.com>
14558 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14559 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14560 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14561 (ix86_return_in_memory): Handle TDmode.
14562 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14563 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14565 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14567 * reorg.c (dbr_schedule): Use dump_file instead of file.
14569 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14572 * config/ia64/predicates.md (extr_len_operand): New predicate.
14573 * config/ia64/ia64.md (extv): Tighten constraints.
14575 (*tbit_and_2): Ditto.
14576 (*tbit_and_3): Ditto.
14577 (*tbit_or_2): Ditto.
14578 (*tbit_or_3): Ditto.
14579 (*bit_zero): Ditto.
14582 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14585 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14587 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14589 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14590 loop_optimizer_init and loop_optimizer_finalize
14591 * tree-ssa-sink.c (execute_sink_code): Ditto.
14592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14593 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14594 tree_ssa_loop_done): Ditto.
14595 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14596 * sched-ebb.c: Include output.h.
14597 (schedule_ebbs): Do not use dump argument.
14598 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14599 * loop.c (loop_dump_stream): Removed.
14600 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14602 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14603 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14604 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14605 loop_iterations, strength_reduce, record_biv, record_giv,
14606 final_giv_value, check_final_value, check_ext_dependent_givs,
14607 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14608 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14609 dump_file instead of loop_dump_stream.
14610 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14611 argument dump_file.
14612 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14614 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14615 * haifa-sched.c: Include output.h
14616 (schedule_insns, sched_init): Do not use dump argument.
14617 * mode-switching.c (optimize_mode_switching): Ditto.
14618 * modulo-sched.c (stats_file): Removed.
14619 (print_node_sched_params): Do not call argument dump_file.
14620 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14621 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14623 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14625 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14626 rtl_loop_init, rtl_loop_done): Ditto.
14627 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14628 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14630 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14631 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14632 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14633 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14634 * emit-rtl.c (renumber_insns): Ditto.
14635 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14636 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14637 * regclass.c (regclass): Ditto.
14638 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14639 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14640 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14641 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14643 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14644 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14646 * gcse.c (gcse_file, debug_stderr): Removed.
14647 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14648 rest_of_handle_gcse): Do not use dump argument.
14649 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14650 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14651 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14652 compute_code_hoist_vbeinout, compute_code_hoist_data,
14653 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14654 compute_store_table, build_store_vectors, insert_insn_start_bb,
14655 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14656 store_motion): Use dump_file instead of gcse_file.
14657 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14658 * profile.c (profile_dump_file): Removed.
14659 (branch_prob): Use dump_file instead of profile_dump_file.
14660 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14662 * tree-ssa-copy.c (dump_copy_of): Ditto.
14663 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14664 dump file to life_analysis.
14665 * bt-load.c (branch_target_load_optimize): Ditto.
14666 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14668 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14669 regclass, dbr_schedule): Declaration changed.
14670 * sched-int.h (sched_init): Declaration changed.
14671 * tree-profile.c (tree_profile_dump_file): Removed.
14672 (tree_profile_hooks): Removed profile_dump_file hook.
14673 * rtl-profile (rtl_profile_dump_file): Removed.
14674 (rtl_profile_hooks): emoved profile_dump_file hook.
14675 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14677 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14678 * tree-cfg.c (build_tree_cfg): Ditto.
14679 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14680 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14681 Declaration changed.
14682 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14683 life_analysis and schedule_insns.
14684 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14686 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14688 * config/mips/mips.c (mips_reorg): Ditto.
14689 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14692 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14694 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14695 (s390_mangle_fundamental_type): New.
14696 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14699 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14700 (alpha_mangle_fundamental_type): New.
14701 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14704 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14706 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14708 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14709 (sparc_mangle_fundamental_type): New.
14711 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14713 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14714 (s390x-*-linux*): Likewise.
14715 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14716 * config/s390/t-linux: New file.
14718 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14720 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14721 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14723 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14725 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14726 (ANTIC_SAFE_LOADS): New macro.
14727 (find_or_generate_expression): Add prototype.
14728 (set_contains_value): Allow null set for sake of not always having
14729 to allocate ANTIC_SAFE_LOADS.
14730 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14731 Allow COMPONENT_REF too.
14732 (valid_in_set): Allow COMPONENT_REF.
14733 Check ANTIC_SAFE_LOADS too.
14734 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14735 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14737 (can_PRE_operation): Add COMPONENT_REF.
14738 (create_component_ref_by_pieces): New function.
14739 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14740 (insert_aux): Move AGGREGATE_TYPE_P check here.
14741 (compute_avail): Set bb local stmt uids.
14742 (pass_pre): Use TODO_update_ssa_only_virtuals.
14744 2006-02-06 Ben Elliston <bje@au.ibm.com>
14746 * configure.ac: Unconditionally disable decimal float by default.
14747 * configure: Regenerate.
14749 2006-02-06 Ben Elliston <bje@au.ibm.com>
14751 * read-rtl.c (read_name): Terminate reading on EOF.
14753 2006-02-06 Ben Elliston <bje@au.ibm.com>
14755 * dfp.c (decimal_real_arithmetic): Change second argument type
14756 from int to enum tree_code. Do not always return true, but now
14757 return result of any call to decimal_do helper functions.
14758 * dfp.h (decimal_real_arithmetic): Update prototype.
14760 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14762 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14764 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14767 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14770 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14772 * tree-vrp.c (cfg_loops): Removed.
14773 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14774 Use current_loops instead of cfg_loops. Pass flags to
14775 loop_optimizer_init.
14776 * cfgloopmanip.c (fix_loop_structure): Update only available
14778 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14779 loop_optimizer_init.
14780 * modulo-sched.c (build_loops_structure): Removed.
14781 (sms_schedule): Use loop_optimizer_init.
14782 * loop-init.c (loop_optimizer_init): Use flags to determine
14783 which properties of loops to prepare.
14784 (rtl_loop_init): Pass flags to loop_optimizer_init.
14785 * tree-ssa-sink.c (execute_sink_code): Ditto.
14786 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14787 * tree-ssa-pre.c (init_pre): Ditto.
14788 * cfgloop.h (LOOPS_NORMAL): New.
14789 (loop_optimizer_init): Declaration changed.
14791 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14793 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14794 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14796 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14798 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14800 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14801 * pa/t-pa64: Delete quadlib.c rule.
14802 * pa/x-ada: Revert last change.
14803 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14805 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14807 PR rtl-optimization/26087
14808 * rtlanal.c (canonicalize_condition): Do not cross basic block
14811 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14814 * config/ia64/ia64.c: Include debug.h.
14815 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14816 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14817 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14818 (process_epilogue, process_set, process_for_unwind_directive):
14819 Output unwind info only if requested. Add CFA info if requested.
14820 Add new arguments as needed. Adjust callers.
14821 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14823 (DWARF2_FRAME_INFO): Define to zero.
14824 * config/ia64/unwind-ia64.c: Remove code that compensated for
14825 the CFA offset error fixed above.
14826 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14827 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14828 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14829 -funwind-tables and -fexceptions to enable frame info.
14830 (dwarf2out_frame_init): Define initial CFA even if
14831 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14832 DWARF2_UNWIND_INFO is nonzero, not just defined.
14833 (dwarf2out_frame_finish): Output non-EH call frame info only
14834 if DWARF2_FRAME_INFO is nonzero.
14835 (convert_cfa_to_loc_list,
14836 compute_frame_pointer_to_cfa_displacement): Define even if
14837 unwind info is not supported.
14838 (gen_subprogram_die): Use the above unconditionally. Remove
14839 legacy alternate code.
14840 * toplev.c (compile_file): Compile in call to
14841 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14842 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14844 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14845 Jakub Jelinek <jakub@redhat.com>
14847 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14848 IBM extended float format long double as "g" on powerpc*-linux.
14850 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14853 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14854 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14856 2006-02-03 Jason Merrill <jason@redhat.com>
14859 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14861 PR middle-end/25977
14862 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14863 on the return slot if it's an NRV.
14865 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14867 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14868 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14869 rewrite_use): Do not handle USE_OUTER.
14870 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14871 add_iv_outer_candidates, may_replace_final_value,
14872 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14873 (find_interesting_uses_op): Functionality of
14874 find_interesting_uses_outer_or_nonlin moved here.
14875 (find_interesting_uses_outside): Use find_interesting_uses_op.
14877 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14880 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14882 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14883 Ulrich Weigand <uweigand@de.ibm.com>
14886 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14887 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14888 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14889 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14891 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14892 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14893 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14894 Define secondary reloads for TFmode moves.
14895 (constant_modes): Add TFmode.
14896 (NR_C_MODES): Set to 8.
14897 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14899 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14900 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14901 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14902 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14903 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14904 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14905 (FPR mode macro): Add TFmode.
14906 (DSF mode macro): New.
14907 (<de>, <dee> mode attributes): Removed.
14908 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14909 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14910 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14911 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14912 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14913 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14914 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14915 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14916 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14917 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14918 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14919 "*negabs<mode>2", "sqrt<mode>2"):
14920 Changed <de> to <xde>. R constraint replaced by <Rf>.
14921 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14923 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14924 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14925 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14927 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14928 "extenddftf2", "extendsftf2"): New expanders.
14929 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14930 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14931 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14932 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14934 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14935 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14936 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14937 __floatditf): Add a GCC_4.1.0 symbol version tag.
14938 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14941 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14944 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14945 Use targetm.binds_local_p instead of TREE_PUBLIC.
14947 2006-02-02 Roger Sayle <roger@eyesopen.com>
14949 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14950 on INTEGER_TYPEs to indicate that it denotes a character type.
14951 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14952 signed_char_type_node, unsigned_char_type_node and char_type_node.
14953 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14954 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14955 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14957 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14958 Daniel Berlin <dberlin@dberlin.org>
14960 * tree-tailcall.c (arg_needs_copy_p): New function.
14961 (eliminate_tail_call): Use arg_needs_copy_p.
14962 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14963 (add_virtual_phis): New function.
14965 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14967 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14968 #ignore instead of #scratch for %g7 .register directive.
14970 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14972 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14975 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14977 * flow.c (calculate_global_regs_live): Assert that there aren't any
14980 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14982 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14983 what its name says.
14984 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14985 bsi_after_labels iterator.
14986 * tree-if-conv.c (find_phi_replacement_condition,
14987 replace_phi_with_cond_modify_expr): Likewise.
14988 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14989 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14991 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14993 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14995 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14998 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14999 array after growing it.
15001 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15003 PR middle-end/24901
15004 * fold-const.c (fold_checksum_tree): Change type of buf.
15006 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15008 * reload.c (push_secondary_reload): Initialize t_icode.
15010 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15012 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15013 -msoft-float -mlong-double-128 only issue a warning, but don't
15014 swich to DFmode long double.
15016 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15018 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15019 has a constant equivalent, iterate over equivalents for arg0,
15020 calling simplify_relational_operation and if there's a result
15021 cheaper than X, apply fold_rtx and return the result.
15023 2006-02-01 Jan Hubicka <jh@suse.cz>
15025 * opts.c (no_unit_at_a_time_default): New global variable.
15026 (decode_options): Use it.
15027 * opts.h (no_unit_at_a_time_default): Declare.
15029 2006-02-01 Paul Brook <paul@codesourcery.com>
15031 * function.c (assign_parm_setup_reg): Use function argument promotion
15033 * expr.c (expand_expr_real_1): Use function argument promotion rules
15036 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15038 * gcc.c (process_command): Change j to 'unsigned int'.
15040 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15042 PR middle-end/26001
15043 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15044 Use the corrected index for the character
15045 out of the string constant.
15047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15049 * mode-switching.c (optimize_mode_switching): Fix size
15050 allocated for bb_info[n_entities].
15052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15054 * gcc.c (main): Correct type that is allocated for
15055 explicit_link_files.
15057 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15059 * config/s390/s390.c (init_alignment_context): Set
15060 ALIAS_SET_MEMORY_BARRIER on the MEM.
15061 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15063 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15065 PR middle-end/25933
15066 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15068 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15071 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15073 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15074 * regrename.c: Ditto.
15075 * tree-ssa-loop-im.c: Ditto.
15076 * tree-dump.c: Ditto.
15077 * tree-complex.c: Ditto.
15078 * genrecog.c: Ditto.
15079 * tree-ssa-threadupdate.c: Ditto.
15081 * java/class.c: Ditto.
15082 * java/jcf-parse.c: Ditto.
15083 * java/resource.c: Ditto.
15084 * java/except.c: Ditto.
15085 * java/jvspec.c: Ditto.
15086 * java/jcf-write.c: Ditto.
15087 * java/jcf-path.c: Ditto.
15088 * java/gjavah.c: Ditto.
15089 * java/zextract.c: Ditto.
15090 * java/jcf-io.c: Ditto.
15091 * java/jcf.h: Ditto.
15092 * java/buffer.c: Ditto.
15093 * java/lang.c: Ditto.
15094 * java/parse-scan.y: Ditto.
15095 * java/lex.c: Ditto.
15096 * java/lex.h: Ditto.
15097 * cfgloopmanip.c: Ditto.
15098 * postreload-gcse.c: Ditto.
15099 * tree-ssa-loop-manip.c: Ditto.
15100 * postreload.c: Ditto.
15101 * tree-ssa-loop-ch.c: Ditto.
15104 * cppspec.c: Ditto.
15105 * diagnostic.c: Ditto.
15107 * genoutput.c: Ditto.
15109 * cfghooks.c: Ditto.
15110 * cfgloopanal.c: Ditto.
15111 * objc/objc-act.c: Ditto.
15113 * genextract.c: Ditto.
15114 * genautomata.c: Ditto.
15115 * pretty-print.c: Ditto.
15116 * genemit.c: Ditto.
15117 * cgraphunit.c: Ditto.
15119 * df-scan.c: Ditto.
15120 * haifa-sched.c: Ditto.
15121 * dominance.c: Ditto.
15123 * tree-ssa-loop-ivopts.c: Ditto.
15124 * df-core.c: Ditto.
15125 * mode-switching.c: Ditto.
15126 * modulo-sched.c: Ditto.
15128 * ipa-pure-const.c: Ditto.
15130 * fix-header.c: Ditto.
15132 * tree-stdarg.c: Ditto.
15133 * ipa-utils.c: Ditto.
15134 * loop-init.c: Ditto.
15135 * ipa-inline.c: Ditto.
15136 * cfganal.c: Ditto.
15138 * alloc-pool.c: Ditto.
15139 * dwarf2out.c: Ditto.
15141 * genattrtab.c: Ditto.
15142 * tree-ssa-loop-ivcanon.c: Ditto.
15143 * predict.c: Ditto.
15144 * timevar.c: Ditto.
15146 * fortran/gfortranspec.c: Ditto.
15147 * regmove.c: Ditto.
15148 * local-alloc.c: Ditto.
15149 * langhooks.c: Ditto.
15150 * function.c: Ditto.
15151 * tree-vectorizer.c: Ditto.
15153 * ipa-type-escape.c: Ditto.
15155 * tree-if-conv.c: Ditto.
15156 * profile.c: Ditto.
15158 * tree-data-ref.c: Ditto.
15159 * loop-unroll.c: Ditto.
15160 * treelang/treetree.c: Ditto.
15162 * bt-load.c: Ditto.
15163 * ggc-common.c: Ditto.
15165 * coverage.c: Ditto.
15167 * tree-cfgcleanup.c: Ditto.
15168 * tree-ssa-pre.c: Ditto.
15169 * cfgcleanup.c: Ditto.
15170 * loop-invariant.c: Ditto.
15171 * loop-iv.c: Ditto.
15172 * ipa-prop.c: Ditto.
15173 * print-tree.c: Ditto.
15174 * conflict.c: Ditto.
15175 * ggc-page.c: Ditto.
15176 * sched-deps.c: Ditto.
15177 * regclass.c: Ditto.
15178 * tree-object-size.c: Ditto.
15179 * combine.c: Ditto.
15180 * bb-reorder.c: Ditto.
15181 * resource.c: Ditto.
15182 * var-tracking.c: Ditto.
15183 * cfgloop.c: Ditto.
15184 * df-problems.c: Ditto.
15185 * reg-stack.c: Ditto.
15187 * gccspec.c: Ditto.
15188 * sched-rgn.c: Ditto.
15189 * tree-ssa-structalias.c: Ditto.
15190 * tree-ssa-reassoc.c: Ditto.
15191 * config/darwin-c.c: Ditto.
15192 * config/darwin.c: Ditto.
15193 * config/arm/arm.c: Ditto.
15195 * collect2.c: Ditto.
15196 * reload1.c: Ditto.
15198 2006-01-31 Nicolas Pitre <nico@cam.org>
15200 * arm.md (smaxsi3): Make aware of smax_m1.
15203 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15205 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15207 2006-01-31 Richard Guenther <rguenther@suse.de>
15209 * doc/invoke.texi (-msselibm): Document.
15210 * target.h (expand_library_builtin): New target hook.
15211 * builtins.c (expand_builtin): Use expand_library_builtin.
15212 (default_expand_library_builtin): New function.
15213 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15214 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15215 (link_gcc_math_spec): Declare.
15216 (static_specs): Add link_gcc_math_spec.
15217 * expr.h (default_expand_library_builtin): Declare.
15218 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15219 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15220 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15221 * config/i386/i386.opt (msselibm): New target option.
15222 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15223 (ix86_init_sse_abi_builtins): New function.
15224 (ix86_expand_library_builtin): Likewise.
15225 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15226 (override_options): Handle error conditions wrt -msselibm.
15227 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15228 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15229 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15232 2006-01-31 Richard Guenther <rguenther@suse.de>
15233 Paolo Bonzini <bonzini@gnu.org>
15235 * doc/install.texi (--disable-libgcc-math): Document.
15237 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15239 * expr.h (expand_normal): new inline function.
15240 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15241 * dojump.c: use it.
15242 * dwarf2out.c: use it.
15245 * expmed.c: use it.
15246 * except.c: use it.
15247 * config/sparc/sparc.c: use it.
15248 * config/i386/i386.c: use it.
15249 * config/rs6000/rs6000.c: use it.
15250 * config/arm/arm.c: use it.
15251 * config/mips/mips.c: use it.
15252 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15254 2006-01-30 Roger Sayle <roger@eyesopen.com>
15256 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15257 argv to the appropriate type.
15259 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15261 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15264 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15267 * config/s390/s390.c (struct machine_function): New flag
15268 decomposed_literal_pool_addresses_ok_p.
15269 (s390_reorg): Set it before final stage of literal pool transforms.
15270 (s390_decompose_address): Only accept displacements of the form
15271 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15273 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15275 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15276 the comparison routine return.
15278 2006-01-30 Michael Matz <matz@suse.de>
15280 * global.c (find_reg): Only evict for global regs.
15281 Take n_refs into account and dump more info.
15283 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15286 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15287 (pragma_trap, pragma_nosave_low_regs): Likewise.
15288 (current_function_anonymous_args): Likewise.
15289 (sh_deferred_function_attributes): New variable.
15290 (sh_deferred_function_attributes_tail): Likewise.
15291 (print_operand): For '@', look up trap_exit attribute.
15292 (calc_live_regs): Look up trapa_handler attribute. For trapa
15293 handlers, save/restore fpscr, but don't do any other
15294 interrupt-specific saves.
15295 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15296 Fix check for partially saved registers to check for SHmedia.
15297 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15298 (sh_output_function_epilogue): Don't clear any of the removed
15300 (sh_insert_attributes): Don't check pragma_interrupt.
15301 Insert deferred attributes. Check that interrupt attribute is
15302 present for other attributes that require its presence.
15303 (sh_attribute_table): Add new attributes trapa_handler and
15305 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15306 Don't check for pragma_interrupt. Don't store argument.
15307 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15308 (sh_deferred_function_attributes): Declare.
15309 (sh_deferred_function_attributes_tail): Likewise.
15310 * sh.md (sp_switch_1): Add operand. Change generator caller.
15311 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15312 (*return_i): Don't use when trap_exit attribute is in effect.
15313 (*return_trapa): New insn pattern.
15314 * sh-c.c: New file.
15315 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15316 setting c_target_objs and cxx_target_objs.
15317 * t-sh: Add rule for sh-c.o.
15319 2006-01-30 Richard Guenther <rguenther@suse.de>
15322 * gimplify.c (gimplify_target_expr): Handle easy cases
15323 without creating a temporary.
15325 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15327 * vec.h (safe_grow): Remove duplicated line.
15329 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15332 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15333 (expand_omp): ... here.
15334 (expand_omp_parallel): Only remove barriers for combined
15335 parallel+workshare constructs.
15337 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15341 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15342 * tree.c (build_qualified_type): Chain the new type to the original
15343 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15344 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15345 (build_pointer_type_for_mode): Only return unqualified types.
15346 (build_reference_type_for_mode): Likewise.
15348 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15350 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15351 * Makefile.in (CXX_COMPAT_WARN): Define.
15352 * configure: Regenerate.
15354 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15357 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15360 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15362 * toplev.c: Fix thinko.
15364 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15365 Marcin Dalecki <martin@dalecki.de>
15367 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15368 (push_srcloc): Use XNEW.
15369 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15371 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15373 * df-core.c (df_set_blocks): Deleted all variable.
15375 2006-01-28 Ian Lance Taylor <ian@airs.com>
15377 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15378 cgraph_output_pending_asms.
15380 2006-01-28 Zack Weinberg <zackw@panix.com>
15382 * c.opt: Add -W(no-)overlength-strings.
15383 * doc/invoke.texi: Document it.
15384 * c-opts.c (c_common_handle_option): -pedantic implies
15385 -Woverlength-strings, if not explicitly disabled already.
15386 (c_common_post_options): -Woverlength-strings defaults to off, and
15387 is always off for C++.
15388 * c-common.c (fix_string_type): Issue warning about strings longer
15389 than is portable only if warn_overlength_strings. Rearrange code
15390 a little for clarity.
15391 * configure.in: Check for -Wno-overlength-strings as well before
15392 enabling -pedantic in stage 1.
15393 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15394 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15396 * genconditions.c (write_header, write_one_condition)
15397 (write_conditions, write_writer): Consolidate very long strings
15398 that were broken up to fit in C89 portable limit. Don't use
15399 printf when fputs will do.
15401 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15403 * combine.c (simplify_comparison <AND>): Check
15404 TRULY_NOOP_TRUNCATION before start using a subreg.
15406 * config/mips/mips.md (*branch_zero<mode>,
15407 *branch_zero<mode>_inverted, *branch_equality<mode>,
15408 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15409 Remove mode check from comparisons.
15411 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15413 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15415 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15417 * expmed.c (const_mult_add_overflow_p): Remove.
15418 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15420 * recog.c (validate_replace_rtx_subexp): Remove.
15421 * recog.h: Remove the prototype for
15422 validate_replace_rtx_subexp.
15424 * integrate.h: Remove the prototype for
15425 copy_decl_for_inlining.
15426 * rtl.h: Remove the prototype for mark_constant_function.
15427 * tree-vectorizer.h: Remove the prototype for
15428 vect_strip_conversion.
15430 * modulo-sched.c (create_partial_schedule,
15431 free_partial_schedule, reset_partial_schedule): Make them
15434 * hooks.c (hook_bool_rtx_int_false): Remove.
15435 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15437 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15439 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15440 and -mlong-double-128 are incompatible.
15441 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15442 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15443 (TARGET_LIBGCC2_CFLAGS): Define.
15444 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15445 (TARGET_LIBGCC2_CFLAGS): Same.
15446 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15448 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15451 * c-typeck.c (build_binary_op): Perform implicit casts of
15452 operands before shortening them.
15454 * cfgloopmanip.c (split_loop_bb): Remove.
15455 * cfgloop.h: Remove the prototype for split_loop_bb.
15457 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15458 * cfgloop.h: Remove the prototype for
15459 flow_loop_outside_edge_p.
15461 * emit-rtl.c (init_virtual_regs): Make it static.
15462 * function.h: Remove the prototype for init_virtual_regs.
15464 * recog.c (peephole2_optimize): Make it static.
15465 * recog.h: Remove the prototype for peephole2_optimize.
15467 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15469 * df-scan.c (df_record_entry_block_defs): Check if
15470 INCOMING_RETURN_ADDR_RTX is defined.
15472 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15473 Kenneth Zadeck <zadeck@naturalbridge.com>
15475 PR rtl-optimization/24762
15476 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15477 * targhooks.c (hook_void_bitmap): New hook prototype.
15478 * targhoohs.h (hook_void_bitmap): Ditto.
15479 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15480 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15481 * target.h (live_on_entry): New function pointer.
15482 * df-scan.c (df_all_hard_regs): Removed.
15483 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15484 (df_scan_free_internal): Added df->entry_block_defs.
15485 (df_scan_alloc): Ditto.
15486 (df_scan_dump): Ditto.
15487 (df_uses_record): Plumbed flag field properly thru calls.
15488 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15489 This part fixes PR24762.
15490 (df_bb_refs_record): Added code to make the frame and arg
15491 pointers live in EH blocks.
15492 (df_refs_record): Added call to df_record_entry_block_defs.
15493 (df_record_entry_block_defs): New function.
15494 * df-core.c: Added comments to describe new artifical defs.
15495 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15496 (entry_block_defs): New field in struct df.
15497 (df_all_hard_regs): Deleted.
15498 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15499 * df-problems.c (df_ru_bb_local_compute_process_def):
15500 Added code to handle artifical defs in the entry to a function.
15501 (df_ru_bb_local_compute): Ditto.
15502 (df_rd_bb_local_compute_process_def): Ditto.
15503 (df_rd_bb_local_compute): Ditto.
15504 (df_lr_bb_local_compute): Ditto.
15505 (df_ur_bb_local_compute): Ditto.
15506 (df_urec_bb_local_compute): Ditto.
15507 (df_chain_create_bb): Ditto.
15508 (df_ur_local_finalize): Removed entry.
15509 (df_urec_init): Ditto.
15510 (df_urec_local_finalize): Ditto.
15511 (df_ri_bb_compute): Added detection of last use of pseudos.
15512 * Makefile.in (df-scan.o): Updated dependencies.
15513 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15514 * config/mips/mips.c (mips_set_live_on_entry): Added.
15515 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15517 * dce.c (marked_insn_p): Added code to handle artifical defs.
15519 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15521 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15523 (_mm_cvtsi128_si64): Likewise.
15524 (_mm_cvtsd_si64): Likewise.
15525 (_mm_cvttsd_si64): Likewise.
15526 (_mm_cvtsi64_sd): Likewise.
15527 (_mm_cvtsi64_si128): Likewise.
15528 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15529 (_mm_cvtsi64_m64): Likewise.
15530 (_m_to_int64): Likewise.
15531 (_mm_cvtm64_si64): Likewise.
15532 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15533 (_mm_cvttss_si64): Likewise.
15534 (_mm_cvtsi64_ss): Likewise.
15535 (_mm_cvtss_f32): Likewise.
15537 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15539 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15540 for pragma redefine_extname.
15542 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15545 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15546 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15547 -mno-minimal-toc to previous content.
15548 (bispecs): Remove goal.
15549 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15550 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15551 compatibility aliases on powerpc-*-*gnu*.
15552 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15553 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15554 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15555 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15556 (ldblspecs): New goal.
15557 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15558 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15560 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15561 L_sf_to_tf or L_df_to_tf is defined.
15563 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15564 Alan Modra <amodra@bigpond.net.au>
15567 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15568 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15569 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15570 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15571 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15572 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15573 (rs6000_override_options): Initialize rs6000_ieeequad.
15574 Initialize TFmode format to ibm_extended_format if not
15576 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15578 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15579 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15580 (function_arg_advance): IBM long double passed in two FPRs, not
15582 (function_arg): IBM long double passed in FPRs.
15583 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15584 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15585 Only multireg GPR aligned.
15586 (rs6000_init_libfuncs): Enable IBM long double functions if not
15588 (rs6000_generate_compare): Use IBM long double compare if not
15590 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15591 (TARGET_IEEEQUAD): Define.
15592 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15593 not TARGET_IEEEQUAD.
15594 * config/rs6000/rs6000.md: Enable TFmode patterns if
15596 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15597 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15598 and -mlong-double-128 are incompatible.
15599 * doc/invoke.texi (-mabi): Collect options together. Add
15600 ibmlongdouble and ieeelongdouble.
15602 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15604 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15606 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15607 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15608 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15609 * rtl.h (rtunion_def): Remove rt_ptr.
15611 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15612 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15613 * config/i386/winnt.c (i386_pe_mark_dllexport)
15614 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15616 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15618 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15620 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15624 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15625 pthread_key_delete. From John David Anglin. gthrw-ify
15626 pthread_getunique_np only if it it's not a macro. Delete
15628 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15629 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15630 __gthread_objc_condition_signal, __gthread_key_delete): Add
15631 "__attribute__ ((__unused__))" to unused arguments.
15632 (__gthread_recursive_mutex_init_function): Add missing return.
15633 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15634 gthr-posix95.h: Use macro-based approach for name redirection
15635 on targets missing weakref.
15637 2006-01-26 Zack Weinberg <zackw@panix.com>
15639 * genconditions.c (write_header): In generated code, #ifdef out
15640 all includes and fake declarations, except includes of bconfig.h
15641 and system.h, unless GCC_VERSION >= 3001. Do not include
15642 gensupport.h in any case.
15643 (write_conditions): Generate a definition of struct c_test. Add
15644 a comment to the generated #endif.
15645 (write_one_condition): Escape backslashes in string too.
15646 (write_writer): Generated code must escape backslashes and quote
15647 marks (but not newlines) in the strings it writes.
15648 * Makefile.in (build/gencondmd.o): Update dependencies.
15650 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15653 * Makefile.in (insn-automata.o): Add header file dependencies.
15654 * genautomata.c: Add includes.
15656 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15659 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15661 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15663 * configure.ac: Expect target tools paths to be passed from the toplevel
15664 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15666 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15668 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15671 * c.opt (Wpointer-sign): Init to -1.
15672 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15673 OPT_pedantic, to 0 otherwise.
15674 * doc/invoke.texi: Update.
15676 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15678 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15679 constants provided by 80387 instructions in the destination mode.
15681 2006-01-26 Richard Guenther <rguenther@suse.de>
15682 Andrew Pinski <pinskia@physics.uc.edu>
15685 partial PR tree-opt/17064
15686 * tree-ssa-structalias.c (intra_create_variable_infos):
15687 Create heap variables for incoming parameters if
15688 flag_argument_noalias > 1.
15689 (find_what_p_points_to): Look through default defs of
15692 2006-01-26 Jeff Law <law@redhat.com>
15695 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15696 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15697 within the VR_RANGE, use the VR_RANGE as the result, not the
15699 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15700 bounds for the type.
15702 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15704 * tree-ssa-alias.c (maybe_create_global_var): Change
15705 subvar walking to an assertion that we don't have subvar'd variables.
15707 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15710 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15711 Use a new variable, inner. PARM_DECLs are always non-weak.
15713 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15715 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15716 --disable-checking.
15718 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15720 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15722 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15724 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15725 (smax_insn, smin_insn, smax_0, smin_0): New.
15727 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15730 * config/cris/cris.c (cris_order_for_addsi3): New function.
15731 * config/cris/cris-protos.h: Prototype it.
15732 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15733 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15734 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15735 (split for "op.S1 [rx=rx+i],ry (swapped)")
15736 (split for "op(s|u).S1 [rx=rx+i],ry")
15737 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15738 Apply cris_order_for_addsi3 when generating addsi3 insns.
15740 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15742 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15743 (TREE_BLOCK): Add call to EXPR_CHECK.
15745 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15748 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15749 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15750 (dump_omp_clauses): ... here.
15751 (dump_generic_node): Handle OMP_CLAUSE.
15752 * tree.c (omp_clause_num_ops): New.
15753 (omp_clause_code_name): New.
15754 (tree_code_size): Handle OMP_CLAUSE.
15755 (tree_size): Likewise.
15756 (make_node): Document handling of OMP_CLAUSE.
15757 (tree_node_structure): Handle OMP_CLAUSE.
15758 (omp_clause_check_failed): New.
15759 (omp_clause_range_check_failed): New.
15760 (omp_clause_operand_check_failed): New.
15761 (build_omp_clause): New.
15762 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15763 * tree.h (enum omp_clause_code): Declare.
15764 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15765 (OMP_CLAUSE_RANGE_CHECK): Define.
15766 (OMP_CLAUSE_ELT_CHECK): Define.
15767 (omp_clause_check_failed): Declare.
15768 (omp_clause_operand_check_failed): Declare.
15769 (omp_clause_range_check_failed): Declare.
15770 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15771 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15772 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15773 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15774 (OMP_CLAUSE_IF_EXPR): Likewise.
15775 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15776 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15777 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15778 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15779 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15780 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15781 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15782 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15783 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15784 (OMP_CLAUSE_CODE): Define.
15785 (OMP_CLAUSE_SET_CODE): Define.
15786 (OMP_CLAUSE_CODE): Define.
15787 (OMP_CLAUSE_OPERAND): Define.
15788 (struct tree_omp_clause): Declare.
15789 (union tree_node): Add field 'omp_clause'.
15790 * treestruct.def (TS_OMP_CLAUSE): Define.
15791 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15792 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15793 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15794 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15795 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15796 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15797 (OMP_CLAUSE): Define.
15798 * print-tree.c (print_node): Handle OMP_CLAUSE.
15799 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15800 * c-typeck.c: Likewise.
15801 * gimplify.c: Likewise.
15802 * c-omp.c: Likewise.
15803 * tree-nested.c: Likewise.
15804 * tree-inline.c: Likewise.
15805 * c-parser.c: Likewise.
15806 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15809 2006-01-25 Roger Sayle <roger@eyesopen.com>
15811 PR rtl-optimization/25703
15812 * combine.c (try_combine): Handle zero_extract and strict_low_part
15813 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15815 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15817 * global.c: Fix comment typos.
15819 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15822 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15823 Use output_addr_const instead of assemble_name.
15825 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15827 * Makefile.in (sched-vis.o): Update dependencies.
15828 * haifa-sched.c (sched_finish): Clear current_sched_info.
15829 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15830 (dump_flow_info): Call it.
15831 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15833 * basic-block.h (dump_bb_info): Declare.
15834 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15835 option, and apply options only for dump files whose TDF_RTL,
15836 TDF_TREE, or TDF_IPA bits match.
15837 * rtl.h: Declare new functions exported from sched-vis.c.
15838 * sched-vis.c: Enable also if scheduling is not used.
15839 (print_value): Print the mode of registers if not inside scheduling.
15840 (print_insn): Make it work outside the scheduler. Beautify the output
15842 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15846 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15847 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15848 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15849 depending on the value of CONSTANT_POOL_ADDRESS_P.
15850 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15852 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15853 rather than SYMBOL_REF_DECL.
15854 (rtx_constant_pool): Remove const_rtx_sym_htab.
15855 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15856 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15857 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15858 Remove handling of const_rtx_sym_htab.
15859 (find_pool_constant): Delete.
15860 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15861 rather than find_pool_constant.
15862 (get_pool_constant_for_function): Delete.
15863 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15864 find_pool_constant.
15865 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15866 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15867 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15868 (SYMBOL_REF_CONSTANT): New macro.
15869 (get_pool_constant_for_function): Delete.
15870 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15871 rather than SYMBOL_REF_DECL.
15872 (i386_pe_mark_dllimport): Likewise.
15873 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15874 rather than SYMBOL_REF_DECL.
15875 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15876 (machopic_indirect_call_target): Likewise.
15878 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15880 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15882 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15884 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15886 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15888 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15890 2006-01-24 David Daney <ddaney@avtrex.com>
15893 * configure.ac (enable_tls): New enable option.
15894 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15895 * configure: Regenerate.
15896 * doc/install.texi (--enable-tls): Document new option.
15897 (--disable-tls): Ditto.
15899 2006-01-24 Richard Henderson <rth@redehat.com>
15901 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15902 * alias.c (true_dependence): Respect it.
15903 (canon_true_dependence, write_dependence_p): Likewise.
15904 * builtins.c (get_builtin_sync_mem): Set it.
15906 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15908 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15911 2006-01-24 DJ Delorie <dj@redhat.com>
15913 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15914 for storing constants in single-bit bitfields.
15916 2006-01-25 Ben Elliston <bje@au.ibm.com>
15918 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15920 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15923 * tree-ssa-pre.c (phi_translate): Return NULL
15924 for AGGREGATE_TYPE's.
15926 2006-01-24 Zack Weinberg <zackw@panix.com>
15928 * genautomata.c (process_state_for_insn_equiv_partition):
15929 Use xcalloc for insn_arcs_array.
15930 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15931 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15933 2006-01-24 Richard Henderson <rth@redhat.com>
15935 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15936 update all callers.
15938 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15940 PR rtl-optimization/25890
15941 PR rtl-optimization/25905
15942 * combine.c (expand_compound_operation, expand_field_assignment):
15943 Fail if the bitfield's final position is out of bounds.
15945 2006-01-24 Ian Lance Taylor <ian@airs.com>
15947 PR middle-end/25930
15948 * cgraphunit.c (cgraph_output_in_order): Don't clear
15949 cgraph_asm_nodes until after asm strings have been output.
15951 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15953 * fix-header.c (read_scan_file): Add new parameter imultilib when
15954 calling register_include_chains.
15956 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15958 * omp-low.c: Update documentation.
15960 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15961 Daniel Berlin <dberlin@dberlin.org>
15965 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15966 return from the function.
15968 2006-01-22 Zack Weinberg <zackw@panix.com>
15970 * rtl.def (match_code): Add second argument.
15971 * genpreds.c (write_extract_subexp): New function.
15972 (write_match_code): Add path argument. Use write_extract_subexp.
15973 (write_predicate_expr): Pass path to write_match_code.
15974 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15975 not perform a mode test.
15976 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15977 a subexpression does not constrain the top-level code set.
15978 * read-rtl.c (read_rtx_variadic): New function.
15979 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15980 * doc/md.texi: Document new notation.
15981 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15982 (cmpsi_operand): ... here, using new notation.
15984 2006-01-22 Zack Weinberg <zackw@panix.com>
15986 * varray.c: Remove GENERATOR_FILE #ifdefs.
15988 2006-01-22 Zack Weinberg <zackw@panix.com>
15990 * genautomata.c (output_reserved_units_table): Emit nothing if
15991 description->query_units_num is zero. Remove extra blank line.
15992 (output_cpu_unit_reservation_p): Short circuit
15993 if description->query_units_num is zero.
15995 2006-01-22 Zack Weinberg <zackw@panix.com>
15997 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15998 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15999 nor any of the random handful of variables that used to be necessary
16000 when this program was linked with rtlanal.o. Prune set of forward
16001 function declarations.
16002 (struct attr_desc): Remove static_p field.
16003 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16004 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16005 (attr_string): Do not read the character one past the length of
16007 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16008 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16009 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16010 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16011 (make_automaton_attrs): New.
16012 (main): Do not call into genautomata. Call local gen_bypass
16013 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16014 Remove special case for insn_alts.
16015 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16016 varray.h (leftover from previous change). Prune set of forward
16017 function declarations. Remove state_alts fields from all
16018 structures. Remove state_alts_table from struct automaton.
16019 Make everything except main static. Do not maintain num_dfa_decls.
16020 Do not maintain state_alts fields of various structures.
16021 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16022 (add_arc): Remove state_alts argument. All callers updated.
16023 (output_reserved_units_table): Emit #ifdef here...
16024 (output_tables): ...not here. Don't generate state_alts tables.
16025 (expand_automata): Don't generate attributes.
16026 (write_automata): Don't generate state_alts functions.
16027 (main): New function.
16028 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16029 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16030 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16031 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16032 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16033 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16034 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16035 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16037 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16038 * genattrtab.h: Delete file.
16039 * Makefile.in (OBJS-common): Add insn-automata.o.
16040 (insn-automata.o): New rule.
16041 (simple_generated_c): Add insn-automata.c.
16042 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16043 (genprogmd): Add automata.
16044 (build/genattrtab): Needs no extra objects nor libraries.
16045 (build/genautomata): Needs build/vec.o and -lm.
16047 2006-01-22 Zack Weinberg <zackw@panix.com>
16049 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16050 (output_dfa_max_issue_rate, locked_states_num): Delete.
16051 (struct automaton): Add locked_states field.
16052 (output_dead_lock_vect): Save number of locked states in
16053 automaton->locked_states. If it is zero, don't print anything.
16054 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16055 (output_internal_dead_lock_func): Only test the dead_lock_vect
16056 for automata that have locked states.
16057 (output_statistics): Always print the number of locked states for
16058 each automaton. Calculate total number of locked states here.
16059 (write_automata): Don't call output_dfa_max_issue_rate.
16060 * genattrtab.c: Define length_unit_log as a const variable.
16061 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16062 max_insn_queue_index const.
16063 * final.c (length_unit_log): Declare const.
16064 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16066 2006-01-22 Zack Weinberg <zackw@panix.com>
16068 * genautomata.c: Include vec.h, not varray.h.
16069 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16070 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16071 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16072 VEC_* macros operating on appropriately typed vectors, or to
16073 malloced arrays when the size is known in advance. Const-ify
16074 many char* variables and function arguments. No functional changes.
16075 * Makefile.in (build/varray.o): Delete rule.
16076 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16077 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16079 2006-01-22 Zack Weinberg <zackw@panix.com>
16081 * gensupport.c: Define get_insn_name and record_insn_name here.
16082 (read_md_rtx): Call record_insn_name as appropriate.
16083 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16084 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16085 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16087 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16088 (BUILD_VARRAY): Delete.
16089 (genprognormal): Rename genprogmd. Fold in all programs from
16090 genprognoprint; also attrtab.
16091 (build/genattrtab): Just mention genautomata.o and varray.o.
16092 Reorganize a bit, add comments to make the categories clearer.
16094 2006-01-22 Zack Weinberg <zackw@panix.com>
16096 * genconditions.c (condition_table, add_condition): Delete.
16097 (write_conditions): Don't emit n_insn_conditions nor
16098 insn_elision_unavailable. Issue the gcc version #ifdef here,
16099 inside the table, with no #else clause ...
16100 (write_header): ...not here.
16101 (write_writer): New function.
16102 (main): Don't initialize condition_table. Use add_c_test.
16104 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16105 files on the command line.
16106 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16107 Return -1 if there is no entry in the table, don't abort.
16108 (add_c_test, traverse_c_tests): New functions.
16109 * gensupport.h (insn_elision_unavailable, insn_conditions)
16110 (n_insn_conditions): Delete declarations.
16111 (add_c_test, traverse_c_tests): Declare.
16112 * read-rtl.c: Include gensupport.h.
16113 (read_conditions): New function.
16114 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16115 (read_rtx_1): If we get EOF when we were looking for an initial
16116 open paren, return 0. Call read_conditions when appropriate.
16117 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16118 dummy-conditions.o. Eliminate references to insn-conditions.o,
16119 or change them to build/gencondmd.o, as appropriate. Remove
16120 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16121 from $(simple_generated_c). For all files remaining in those
16122 two lists, add insn-conditions.md to the generator command line.
16123 Give insn-constants.h/s-constants their own rules. Add rules
16124 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16125 (build/read-rtl.o): Depend on gensupport.h.
16126 (genprognormal): Include preds.
16127 (genprogearly): Rename genprognoprint; only difference is now that
16128 they don't link with $(BUILD_PRINT).
16129 * dummy-conditions.c: Delete.
16131 2006-01-22 Zack Weinberg <zackw@panix.com>
16133 * genextract.c: Don't include insn-config.h. Do include vec.h.
16134 Declare vectors of int, char, and locstr.
16135 (locstr): New typedef.
16136 (struct extraction): Make all array fields into bare pointers.
16137 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16138 (insn_code_number): Delete.
16139 (accum_extract): New struct.
16140 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16141 (gen_insn): Take insn_code_number as an argument. Use an
16142 accum_extract structure instead of loading data directly into
16143 a struct extraction, and having to know how big it might get.
16144 (walk_rtx): Operate entirely on an accum_extract structure.
16145 (print_path): Avoid unnecessary use of printf.
16146 (print_header): New function, split out of main. Distinguish
16147 more carefully between an unrecognizable insn and an insn that
16148 has the code number of a define_expand.
16149 (main): Pass insn_code_number to gen_insn. Call print_header
16150 only after parsing. Avoid unnecessary use of printf.
16151 * Makefile.in (build/vec.o): New rule.
16152 (build/genextract): Depend on build/vec.o.
16153 (build/genextract.o): Don't depend on insn-config.h.
16155 2006-01-22 Zack Weinberg <zackw@panix.com>
16157 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16158 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16159 practical. Eliminate per-generator-program link rules.
16161 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16163 PR middle-end/24437
16164 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16165 with a call expr to ...
16166 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16168 2006-01-23 Richard Guenther <rguenther@suse.de>
16170 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16171 before make_edge with conditional EDGE_TRUE_VALUE.
16173 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16174 Jan Hubicka <jh@suse.cz>
16175 Richard Guenther <rguenther@suse.de>
16177 PR rtl-optimization/25654
16178 * cfgexpand.c (aggregate_contains_union_type): New function.
16179 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16180 for structure variables that contain a union type.
16182 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16184 * gengtype.c (new_structure): Return the structure.
16185 (create_option): Add an extra "next" argument.
16186 (create_field): New function.
16187 (adjust_field_rtx_def): Use create_option and create_field.
16188 Remove a now-unnecessary call to find_structure.
16189 (adjust_field_tree_def): Likewise.
16190 (note_yacc_type): Remove an unnecessary call to find_structure.
16191 * gengtype.h (new_structure): Return the structure.
16192 (create_option): Add an extra argument.
16193 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16194 (option): Adjust calls to create_option.
16196 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16198 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16200 2006-01-22 Paul Brook <paul@codesourcery.com>
16201 Peter Barada <peter@the-baradas.com>
16203 * config/m68k/m68k.md: Add Coldfire FPU support.
16204 Define FP mode macro and associated attributes.
16205 Use it for float mode patterns.
16206 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16207 (LIBCALL_VALUE): Use m68k_libcall_value.
16208 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16209 (m68k_function_value): Ditto.
16210 (emit_move_sequence): Ditto.
16211 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16212 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16213 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16214 (MULTILIB_EXCEPTIONS): Ditto.
16215 * config/m68k/m68k.opt: Add mcfv4e.
16216 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16217 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16218 (m68k_output_function_prologue): Save ColdFire FPU registers.
16219 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16220 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16221 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16222 ColdFire FPU registers.
16223 (m68k_libcall_value, m68k_function_value): New functions.
16224 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16225 (LIBCALL_VALUE): Use m68k_libcall_value.
16226 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16227 (MASK_COLDFIRE): Add MASK_CFV4E.
16228 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16229 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16230 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16231 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16232 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16233 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16234 * doc/invoke.tex: Document -mcfv4e on m68k.
16236 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16238 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16241 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16244 * c-opts.c (c_common_handle_option): Don't include
16245 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16246 * doc/invoke.texi (C++ Dialect Options): Document that
16247 -Wnon-virtual-dtor is no longer included in -Wall.
16249 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16251 * gcov.c (print_version), gcov-dump.c (print_version),
16252 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16255 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16257 * df-scan.c (problem_SCAN): Added NULL reset function.
16258 (df_scan_reset_blocks): Added code to call reset block function
16259 (df_bb_refs_delete) Fixed comment.
16260 (df_insn_refs_delete): Made tolerant of deleting non existent info
16261 for dataflow problems that need to be reset.
16262 * df-core.c (df_set_blocks): Ditto.
16263 * df.h (struct df_problem): Added reset_fun.
16264 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16265 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16266 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16267 functions to clear out all references to def-use or use-def chains.
16269 2006-01-21 Ben Elliston <bje@au.ibm.com>
16271 * varasm.c (assemble_real): Initialise data array.
16273 2006-01-20 Paul Brook <paul@codesourcery.com>
16275 Merge from csl-arm-branch.
16276 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16277 * config/arm/arm.md (movdi): Force operands[1] to a register
16278 if we have a non-register source.
16279 (*arm_movdi, *movdf_soft_insn): Require that one of the
16280 operands be a register.
16281 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16282 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16284 2006-01-20 DJ Delorie <dj@redhat.com>
16286 * varasm.c (initializer_constant_valid_p): Allow pointers
16287 initialized from integer constants of lesser precision.
16288 (output_constant): Allow non-int-sized pointer modes to be
16289 initialized from integer constants.
16291 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16294 * cppdefault.h (struct default_include): Add multilib flag.
16295 * cppdefault.c (cpp_include_defaults): Set it.
16296 * c.opt (-imultilib): New option.
16297 * c-opts.c (imultilib): New.
16298 (c_common_handle_option): Handle -imultilib.
16299 (c_common_post_options): Likewise.
16300 * c-incpath.c (add_standard_paths, register_include_chains):
16302 * c-incpath.h (register_include_chains): Add extra parameter.
16303 * gcc.c (do_spec_1): Generate -imultilib option.
16304 (The Specs Language): Update %I description.
16305 (process_command): Update copyright notice.
16306 * doc/cppopts.texi (-imultilib): Document.
16307 * doc/invoke.texi (-imultilib): Include in option summary.
16308 (%I): Update specs documentation.
16310 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16312 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16314 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16316 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16319 2006-01-20 Richard Guenther <rguenther@suse.de>
16320 Steven Bosscher <stevenb.gcc@gmail.com>
16322 PR rtl-optimization/24626
16323 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16324 EDGE_TRUE_VALUE if in RTL mode.
16327 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16328 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16330 2006-01-20 Dirk Mueller <dmueller@suse.com>
16333 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16334 instead of a special NOP marker.
16335 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16336 NOP marker handling.
16337 * c-common.h (empty_body_warning): Add forward declaration.
16338 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16339 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16341 2006-01-20 Paul Brook <paul@codesourcery.com>
16343 * Makefile.in (lang_checks): Keep going if mkdir fails.
16345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16347 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16348 be able to clean out basic block when not necessary.
16349 (df_scan_free): Fixed to properly delete information if df is
16350 unused before calling df_finish.
16351 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16352 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16354 (df_bb_refs_delete): New function.
16355 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16356 * df-core.c (df_set_blocks): Added code to properly clean out
16357 unused blocks if they are not part of the blocks to consider.
16358 Added additional null check.
16359 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16360 be able to clean out basic block when not necessary
16361 * df.h (df_free_bb_function): Ditto.
16362 (df_bb_refs_delete): New function.
16363 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16364 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16365 basic block parameter to be able to clean out basic block when not
16367 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16368 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16369 Fixed to properly delete information if df is unused before
16372 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16374 PR rtl-optimization/25799
16375 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16376 Corrected confluence operator to remove bits from op2 before oring
16377 with op1 rather than removing bits from op1.
16378 (df_ru_transfer_function): Corrected test on wrong bitmap which
16379 caused infinite loop. Both of these problems were introduced in
16380 the dataflow rewrite.
16382 2006-01-19 DJ Delorie <dj@redhat.com>
16384 * reload1.c (find_reload_regs): Note the details of reload
16385 failures in the dump file.
16386 (spill_failure): Likewise.
16388 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16390 * loop-iv.c: Include df.h and hashtab.h.
16391 (enum iv_grd_result): New enum.
16392 (DF_REF_IV, DF_REF_IV_SET): New macros.
16393 (struct biv_entry): New.
16394 (df, bivs): New global variables.
16395 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16396 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16398 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16399 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16400 analyzed_for_bivness_p, record_biv): New functions.
16401 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16402 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16403 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16405 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16407 (iv_number_of_iterations): Use new interface to iv analysis.
16408 * loop-unroll.c: Do not include varray.h.
16409 (analyze_iv_to_split_insn): Use new interface to iv
16411 * loop-unswitch.c (may_unswitch_on): Ditto.
16412 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16414 (df_bb_modify): Realloc tables to the new index.
16415 (df_find_use): New function.
16416 * df.h (df_find_use): Declare.
16417 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16419 * cfgloop.h (struct rtx_iv): Remove analysed field.
16420 (iv_get_reaching_def): Removed.
16421 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16422 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16423 (loop-iv.o): Add df.h and hashtab.h dependency.
16424 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16426 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16429 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16431 (__floatundisf, __floatundidf): Likewise.
16432 * libgcc2.h (IS_IBM_EXTENDED): Define.
16434 2006-01-19 DJ Delorie <dj@redhat.com>
16436 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16438 2006-01-19 Paul Brook <paul@codesourcery.com>
16440 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16441 as nothrow when unwinding tables are disabled.
16443 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16446 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16447 of bit-field" when in system header.
16449 2006-01-19 DJ Delorie <dj@redhat.com>
16451 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16452 the 16 bit shift limit of the m16c.
16454 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16457 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16458 * config/i386/i386.c (output_set_got): Output the label if we have one
16459 for the TARGET_DEEP_BRANCH_PREDICTION case.
16461 2006-01-19 Jan Hubicka <jh@suse.cz>
16462 H.J. Lu <hongjiu.lu@intel.com>
16463 Evandro Menezes <evandro.menezes@amd.com>
16465 * invoke.texi (generic): Document
16467 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16468 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16469 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16470 (x86_use_incdec, x86_pad_returns): New variables
16471 (TARGET_CPU_DEFAULT_generic): New constant
16472 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16473 (enum processor_type): Add generic32 and generic64.
16474 * i386.md (cpu attribute): Add generic32/generic64
16475 (movhi splitter): Behave sanely when both partial_reg_dependency and
16476 partial_reg_stall are set.
16477 (K8 splitters): Enable for generic as well.
16478 * predicates.md (incdec_operand): Use TARGET_INCDEC
16479 (aligned_operand): Avoid memory mismatch stalls.
16480 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16481 * ppro.md: Enable for generic32
16482 * i386.c (generic64_cost, generic32_cost): New.
16483 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16484 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16485 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16486 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16487 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16488 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16489 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16490 x86_accumulate_outgoing_args, x86_prologue_using_move,
16491 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16492 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16493 Enable for generic.
16494 (x86_use_incdec, x86_pad_returns): New.
16495 (override_options): Add generic32 and generic64, translate "generic"
16496 to generic32/generic64 and "i686" to "generic32", refuse
16497 "generic32"/"generic64" as arch target.
16498 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16499 (ix86_reorg): Honor PAD_RETURNS.
16501 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16503 * tree-pretty-print.c (dump_generic_node): Handle
16504 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16505 * cgraph.c (cgraph_expand_queue): Rename from
16506 cgraph_analyze_queue. Update all users.
16507 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16508 cgraph_expand_queue.
16509 (cgraph_expand_all_functions): Likewise.
16510 (cgraph_finalize_pending_functions): Remove. Update callers.
16512 * tree.h (OMP_DIRECTIVE_P): Define.
16513 (OMP_PARALLEL_FN): Define.
16514 (OMP_PARALLEL_DATA_ARG): Define.
16515 (OMP_SECTIONS_SECTIONS): Define.
16516 * tree-pass.h (pass_expand_omp): Declare.
16517 * omp-low.c (struct omp_region): Declare.
16518 (struct omp_context): Remove fields 'parallel_type',
16519 'parallel_start_ix' and 'parallel_start_additional_args'.
16521 (struct omp_for_data): Rename from struct expand_omp_for_data.
16522 (omp_regions): New static variable.
16523 (root_omp_region): New static variable.
16524 (find_omp_clause): Make static.
16525 (is_in_combined_parallel_ctx): Remove.
16526 (is_combined_parallel): New.
16527 (extract_omp_for_data): Move earlier in the file.
16528 (workshare_safe_to_combine_p): New.
16529 (get_ws_args_for): New.
16530 (determine_parallel_type): Move earlier in the file.
16531 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16533 (omp_copy_decl): Likewise.
16534 (create_omp_child_function): Likewise.
16535 (lookup_omp_region): New.
16536 (dump_omp_region): New.
16537 (debug_omp_region): New.
16538 (debug_all_omp_regions): New.
16539 (new_omp_region): New.
16540 (scan_omp_parallel): If parallel_nesting_level > 1, the
16541 directive is nested within another parallel directive.
16542 Set OMP_PARALLEL_FN.
16543 (scan_omp_for): Do not try to handle combined parallel+for
16545 Remove FIXME comment.
16546 (scan_omp_nested): Remove.
16547 (scan_omp_1): Do not call scan_omp_nested when
16548 parallel_nesting_level is > 1.
16549 Do not change the DECL_CONTEXT of local variables found.
16550 (lookup_decl_in_outer_ctx): New.
16551 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16552 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16553 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16554 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16555 If CTX is nested, lookup VAR in the outer context when
16556 building copy assignment.
16557 (lower_send_clauses): Rename from expand_send_clauses.
16558 If CTX is nested, lookup VAR in the outer context when
16559 building copy assignments.
16560 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16561 If CTX is nested, lookup VAR in the outer context when
16562 building copy assignments.
16563 (expand_parallel_call): Rename from build_parallel_call.
16564 Handle combined parallel+workshare cases.
16565 Re-implement to emit code into the CFG.
16567 (expand_omp_parallel): Re-implement to emit code into the CFG.
16568 Call move_sese_region_to_fn to outline the sub-graph
16569 containing the parallel region.
16570 (expand_omp_for_1): Remove.
16571 (expand_omp_for_generic): Re-implement to emit code into the
16573 (expand_omp_for_static_nochunk): Likewise.
16574 (expand_omp_for_static_chunk): Likewise.
16575 (expand_omp_for): Likewise.
16576 (expand_omp_sections): Likewise.
16577 (remove_exit_barriers): New.
16578 (expand_omp_synch): New.
16580 (build_omp_regions_1): New.
16581 (build_omp_regions): New.
16582 (execute_expand_omp): New.
16583 (gate_expand_omp): New.
16584 (pass_expand_omp): Define.
16585 (lower_omp_sections): Rename from expand_omp_sections.
16586 Set OMP_SECTIONS_SECTIONS.
16587 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16588 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16589 (lower_omp_single): Rename from expand_omp_simple.
16590 (lower_omp_master): Rename from expand_omp_master.
16591 (lower_omp_ordered): Rename from expand_omp_ordered.
16592 (lower_omp_critical): Rename from expand_omp_critical.
16593 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16594 (lower_omp_for): Re-implement.
16595 (lower_omp_parallel): Re-implement.
16596 (lower_regimplify): Rename from expand_regimplify.
16597 (lower_omp_1): Rename from expand_omp_1.
16598 If there are syntax errors in the program, replace every
16599 OpenMP directive with NOP.
16600 Call lower_omp_* instead of expand_omp_*.
16601 (lower_omp): Rename from expand_omp.
16603 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16604 * tree-gimple.h (enum omp_parallel_type): Remove.
16605 (gimple_boolify): Declare extern.
16606 (find_omp_clause, determine_parallel_type): Remove.
16608 * gimple-low.c (lower_omp_directive): New.
16609 (lower_stmt): Call it.
16610 (record_vars_into): Move from ...
16611 (record_vars): ... here.
16612 Call record_vars_into with current_function_decl.
16614 * gimplify.c (struct gimplify_ctx): Remove fields
16615 combined_pre_p and combined_ctxp. Update users.
16616 (get_formal_tmp_var): Add documentation.
16617 (gimple_boolify): Make extern.
16618 (gimplify_expr_in_ctx): Remove. Update callers.
16619 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16620 will always be a BIND_EXPR.
16621 (gimplify_expr): Handle OMP_RETURN_EXPR.
16622 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16623 (OMP_PARALLEL): Add 3 operands.
16624 (OMP_SECTIONS): Add 1 operand.
16625 (OMP_RETURN_EXPR): Define.
16627 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16628 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16629 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16630 creating a circular free list.
16631 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16633 * tree-flow.h (move_sese_region_to_fn): Declare.
16634 (record_vars_into): Declare.
16635 * tree-cfg.c (make_omp_sections_edges): New.
16636 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16637 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16638 OMP_SECTIONS and OMP_SECTION.
16639 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16640 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16641 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16642 (gather_blocks_in_sese_region): New.
16643 (struct move_stmt_d): Declare.
16644 (move_stmt_r): New.
16645 (move_block_to_fn): New.
16646 (move_sese_region_to_fn): New.
16648 * passes.c (init_optimization_passes): Schedule
16649 pass_expand_omp after pass_init_datastructures.
16651 * tree-ssa-operands.c (get_expr_operands): Handle
16652 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16653 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16655 2006-01-19 Jeff Law <law@redhat.com>
16657 * tree-vrp.c (extract_range_from_assert): Refine the result range
16658 if the variable referenced by the ASSERT_EXPR has a range and
16659 either the tentative result range or the previous range is a
16662 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16664 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16666 2006-01-19 Jan Hubicka <jh@suse.cz>
16668 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16670 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16672 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16673 (expand_compound_operation, expand_field_assignment): Fail if the
16674 bit lengths of an extract operation are out of range.
16675 (make_extraction): Compute wanted_inner_mode based on the position
16676 and length of the extraction. Make it extraction_mode for non-constant
16677 positions, and do not modify offset in that case. When generating a
16678 new MEM, use a mode that can hold the extraction while keeping correct
16679 alignment. Remove code that supported MEMs wrapped by USEs.
16680 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16682 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16684 * config/s390/s390.md ("Y", "y"): New mode attribute.
16685 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16686 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16687 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16688 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16689 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16690 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16691 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16692 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16693 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16694 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16695 "addsi3", "subsi3"): Insn patterns removed.
16696 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16697 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16698 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16699 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16700 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16701 "*sub<mode>3_cconly2"): New insn patterns.
16702 ("addsi3", "subsi3"): New expanders.
16704 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16706 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16707 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16708 existing STMT_VINFO_VECTYPE if available.
16709 (vect_mark_relevant): Add special handling for stmts that are
16710 marked as STMT_VINFO_IN_PATTERN_P.
16711 (vect_analyze_loop): Call vect_pattern_recog.
16712 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16713 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16715 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16716 (vect_recog_func_ptr): New function-pointer type.
16717 * tree-vect-patterns.c: New file.
16718 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16719 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16720 (vect_pattern_recog_1): New functions.
16721 (vect_pattern_recog_funcs): New array of function pointers.
16723 * tree-vectorizer.h (ternary_op): New enum value.
16724 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16725 declaration. Revised documentation. Removed redundant dump prints.
16726 Removed redundant argument. Added support for reduction patterns.
16727 (vectorizable_reduction): Added support for reduction patterns.
16728 (vect_transform_stmt): Added support for patterns.
16730 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16731 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16732 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16733 (expand_widen_pattern_expr): New function.
16734 (init_optabs): Initialize new optabs udot_prod_optab,
16736 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16737 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16738 (expand_widen_pattern_expr): New function declaration.
16739 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16741 * tree-inline.c (estimate_num_insns_1): Added cases for new
16742 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16743 * tree-pretty-print.c (dump_generic_node): Likewise.
16744 (op_prio): Likewise.
16745 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16746 * tree-ssa-operands.c (get_expr_operands): Added case for
16748 * tree-vect-patterns.c (widened_name_p): New function.
16749 (vect_recog_dot_prod_pattern): Added function implementation.
16750 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16751 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16752 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16753 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16755 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16756 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16757 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16758 (init_optabs): Initialize new optabs widen_ssum_optab,
16760 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16761 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16762 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16763 use instead of type of def.
16764 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16765 function implementation.
16766 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16767 widen_ssumv8hi): New.
16769 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16772 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16775 * c-decl.c (add_flexible_array_elts_to_size): New function.
16776 (finish_decl): Use it.
16778 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16780 * diagnostic.h: Include options.h.
16781 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16782 dependancies for diagnostic.h.
16783 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16785 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16787 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16788 (ssa_ro_call_cache_valid): Ditto.
16789 * tree-ssa-alias.c (sort_tags_by_id): New function.
16790 (init_transitive_clobber_worklist): Ditto.
16791 (add_to_worklist): Ditto.
16792 (mark_aliases_call_clobbered): Ditto.
16793 (compute_tag_properties): Ditto.
16794 (set_initial_properties): Ditto.
16795 (compute_call_clobbered): Ditto.
16796 (compute_may_aliases): Call compute_call_clobbered and grouping.
16797 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16798 (compute_flow_insensitive_aliasing): Grouping now happens in our
16800 (setup_pointers_and_addressables): Remove clobbering related code.
16801 (add_may_alias): Ditto.
16802 (replace_may_alias): Ditto.
16803 (get_nmt_for): Ditto.
16804 (create_global_var):
16805 (is_escape_site): Return an escape_type enumeration.
16806 * tree-flow-inline.h (is_call_clobbered): Global var does not
16807 imply call clobbered.
16808 (mark_call_clobbered): Take a reason for marking this. Remove
16809 marking of globalness, and cache invalidation.
16810 (clear_call_clobbered): Remove cache invalidation code.
16811 * tree-dfa.c (dump_variable): If details is on, dump the reason
16813 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16815 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16816 (struct var_ann_d): Ditto.
16817 (enum escape_type): New.
16818 (mark_call_clobbered): Adjust prototype.
16819 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16820 are never call clobbered.
16821 Record reasons for escaping.
16822 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16823 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16824 (ssa_ro_call_cache_valid): Ditto.
16825 (clobbered_v_may_defs): Ditto.
16826 (clobbered_vuses): Ditto.
16827 (ro_call_vuses): Ditto.
16828 (clobber_stats): New.
16829 (init_ssa_operands): Zero out clobber stats.
16830 (fini_ssa_operands): Print out clobber stats.
16831 (get_call_expr_operands): Pass callee fndecl to
16832 add_call_read_ops).
16833 (add_call_clobber_ops): Remove use of cache.
16834 Add use of PURE_CONST information.
16835 (add_call_read_ops): Remove use of cache.
16836 Add use of static not_read information.
16838 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16840 Introduce TLS descriptors for i386 and x86_64.
16841 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16842 (TARGET_ANY_GNU_TLS): New macro.
16843 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16844 (struct machine_function): Add tls_descriptor_call_expanded_p.
16845 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16846 (ix86_current_function_calls_tls_descriptor): Likewise.
16847 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16848 (override_options): Introduce gnu2 tls dialect.
16849 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16851 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16853 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16854 (ix86_init_machine_status): Initialize new field.
16855 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16856 (ix86_tls_module_base): New.
16857 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16858 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16859 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16860 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16861 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16862 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16863 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16864 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16865 * config/i386/predicates.md (tls_modbase_operand): New.
16866 (tp_or_register_operand): New.
16868 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16870 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16871 (look_for_address_of): Ditto.
16872 (ipa_init): Walk the function decls.
16873 (static_execute): Don't set readonly on FUNCTION_DECL's.
16875 2006-01-18 Roger Sayle <roger@eyesopen.com>
16877 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16878 for shifts where the source and destination registers are different.
16880 2006-01-18 Paul Brook <paul@codesourcery.com>
16882 Merge from csl-arm-branch.
16883 2005-03-14 Julian Brown <julian@codesourcery.com>
16884 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16885 (aeabi_llsl): Likewise.
16886 (ashrdi3): Likewise.
16887 (aeabi_lasr): Likewise.
16888 (lshrdi3): Likewise.
16889 (aeabi_llsr): Likewise.
16890 2005-03-10 Julian Brown <julian@codesourcery.com>
16891 * config.gcc: Disable shared libgcc for SymbianOS.
16892 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16894 2006-01-18 DJ Delorie <dj@redhat.com>
16896 * c-pragma.c (handle_pragma_diagnostic): New.
16897 (init_pragma): Register it.
16898 * doc/extend.texi: Document it.
16900 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16901 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16902 (diagnostic_context): Add classify_diagnostic[].
16903 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16904 as errors if they're overridden to DK_WARNING.
16905 (diagnostic_initialize): Initialize classify_diagnostic[].
16906 (diagnostic_set_kind_override): New.
16907 (diagnostic_report_diagnostic): Check for kind changes.
16908 * opts.c (common_handle_option): Take lang_mask. Update callers.
16909 Handle OPT_Werror_.
16910 * common.opt (Werror=): New.
16911 * doc/invoke.texi: Document -Werror=*
16913 2006-01-18 Jeff Law <law@redhat.com>
16915 * tree-vrp.c (test_for_singularity): Correct test for new
16916 min limit. Use operand_equal_p rather than pointer equality
16917 for testing if new min/max values are equal.
16919 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16920 using range information until after propagation and folding.
16922 2006-01-18 Richard Henderson <rth@redhat.com>
16923 Aldy Hernandez <aldyh@redhat.com>
16924 Jakub Jelinek <jakub@redhat.com>
16925 Diego Novillo <dnovillo@redhat.com>
16927 * omp-low.c: New file.
16928 * c-omp.c: New file.
16930 2006-01-18 Richard Henderson <rth@redhat.com>
16931 Jakub Jelinek <jakub@redhat.com>
16932 Diego Novillo <dnovillo@redhat.com>
16934 * doc/invoke.texi: Document -fopenmp.
16935 * tree-dump.h (debug_function): Declare.
16936 * hooks.c (hook_bool_tree_bool_false): New function.
16937 (hook_tree_tree_null): Remove.
16938 (hook_tree_tree_tree_null): New.
16939 * hooks.h: Update to match.
16940 * tree-pretty-print.c (debug_tree_chain): New.
16941 (print_generic_expr): Handle TDF_CHAIN.
16942 (dump_generic_node): Handle BLOCK.
16943 Do not abort with incomplete SWITCH_EXPRs.
16944 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16945 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16946 print space after directive name.
16947 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16948 Handle OMP_MASTER and OMP_ORDERED.
16949 Handle printing of OMP_BODY just in one place, goto
16950 dump_omp_body in the rest of OMP_* nodes that have
16952 Don't handle clause nodes here. Update omp statements to
16953 use dump_omp_clauses.
16954 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16955 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16956 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16957 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16958 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16959 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16960 Adjust output for GOMP_PARALLEL.
16961 (dump_omp_clauses): New.
16962 (print_declaration): Dump DECL_VALUE_EXPR.
16963 (op_symbol_1): Split out of op_symbol.
16964 (dumping_stmts): Remove. Update all users.
16965 * cgraph.c (cgraph_analyze_queue): New.
16966 (cgraph_add_new_function): New.
16967 * cgraph.h (cgraph_analyze_queue): Declare.
16968 (cgraph_add_new_function): Declare.
16969 (cgraph_lower_function): Remove.
16970 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16971 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16972 and TYPE_P nodes in its default clause.
16973 (empty_body_p): New.
16974 (tree_range_check_failed): New.
16975 (build5_stat): New.
16976 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16977 OMP_CLAUSE_REDUCTION_MERGE,
16978 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16979 OMP_CLAUSE_PRIVATE_DEBUG,
16980 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16981 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16982 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16983 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16984 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16985 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16986 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16987 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16988 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16989 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16990 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16991 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16992 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16993 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16994 (TREE_RANGE_CHECK): New.
16995 (empty_body_p): Declare.
16996 (enum omp_clause_default_kind): New.
16997 (build_string_literal): Declare.
16998 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16999 (build5_stat, build5): Declare.
17000 * tree-pass.h (TDF_CHAIN): Define.
17001 * tree-pass.h (PROP_gimple_lomp): Define.
17002 (pass_lower_omp): Declare.
17003 * diagnostic.h (debug_tree_chain): Declare.
17004 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17006 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17007 * builtins.c (build_string_literal): Make extern.
17008 * gcc.c (include_spec_function): New.
17009 (static_spec_functions): Add it.
17010 (main): Move load of libgomp.spec ...
17011 (LINK_COMMAND_SPEC): ... here.
17012 (link_gomp_spec): New.
17013 (static_specs): Include it.
17014 (LINK_COMMAND_SPEC): Add link_gomp.
17015 (GOMP_SELF_SPECS): New.
17016 (driver_self_specs): Include it.
17017 (switch_matches): Don't mark inline.
17018 (main): Load libgomp.spec.
17019 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17020 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17021 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17022 * tree-gimple.h (enum omp_parallel): Declare.
17023 (determine_parallel_type): Declare.
17024 (omp_firstprivatize_variable): Declare.
17025 (omp_reduction_init): Declare.
17026 (diagnose_omp_structured_block_errors): Declare.
17027 (struct walk_stmt_info): Add want_return_expr.
17028 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17029 (find_omp_clause): Declare.
17030 (insert_field_into_struct): Declare.
17031 (struct walk_stmt_info): Move from tree-nested.c
17032 (walk_stmts): Declare.
17033 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17035 * cgraphunit.c (cgraph_lower_function): Make static.
17036 (cgraph_finalize_pending_functions): New.
17037 (cgraph_finalize_function): Call it.
17038 (cgraph_finalize_compilation_unit): Likewise.
17039 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17040 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17041 (BT_FN_UINT_UINT): New.
17042 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17043 DEF_FUNCTION_TYPE_VAR_4): Document.
17044 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17045 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17046 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17047 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17048 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17049 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17050 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17051 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17052 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17053 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17054 into separate files.
17055 (DEF_GOMP_BUILTIN): New.
17056 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17057 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17058 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17059 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17060 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17061 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17062 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17063 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17064 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17065 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17066 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17067 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17068 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17069 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17070 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17071 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17072 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17073 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17074 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17075 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17076 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17077 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17078 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17079 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17080 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17081 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17082 * sync-builtins.def: New file, moved from builtins.def.
17083 * omp-builtins.def: New file, moved from builtins.def.
17084 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17085 * gimple-low.c (lower_function_body): Clear data.
17086 (lower_stmt): Do not handle COMPOUND_EXPR.
17087 Remove call to print_node_brief.
17088 * c-tree.h (c_finish_omp_clauses): New prototype.
17089 (C_DECL_THREADPRIVATE_P): Define.
17090 (lookup_name_no_remap, c_omp_remap_private): Remove
17091 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17092 (check_for_loop_decls): Update decl.
17093 (lookup_name_no_remap, c_omp_remap_private): Declare.
17094 (build_indirect_ref, build_modify_expr, pushdecl,
17095 pushdecl_top_level): Move to c-common.h.
17096 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17097 before the switch, but just in the 2 places that need it.
17098 * c-decl.c (diagnose_mismatched_decls): Do not check for
17099 mismatched thread-local attributes when OLDDECL is marked
17100 threadprivate and NEWDECL has no thread-local attributes.
17101 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17102 (c_gimple_diagnostics_recursively): Rename from
17103 c_warn_unused_result_recursively. Invoke
17104 diagnose_omp_structured_block_errors.
17105 (check_for_loop_decls): Return a singular decl found.
17106 * langhooks.c (lhd_omp_predetermined_sharing): Return
17107 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17108 (lhd_omp_firstprivatize_type_sizes): New.
17109 (lhd_omp_assignment): New.
17110 (lhd_omp_predetermined_sharing): New.
17111 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17112 (struct lang_hooks_for_types): Add
17113 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17114 omp_predetermined_sharing, omp_disregard_value_expr,
17115 omp_private_debug_clause, omp_clause_default_ctor,
17116 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17117 (c_finish_omp_clauses): New.
17118 (c_finish_bc_stmt): Diagnose break within omp for.
17119 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17120 (build_unary_op): Return error_mark after reporting
17122 (build_modify_expr): Likewise.
17123 * gimplify.c: Include optabs.h and pointer-set.h.
17124 (enum gimplify_omp_var_data): Declare.
17125 (struct gimplify_omp_ctx): Declare.
17126 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17128 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17129 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17130 (splay_tree_compare_decl_uid): New.
17131 (new_omp_context): New.
17132 (delete_omp_context): New.
17133 (gimple_add_tmp_var): Call omp_add_variable.
17134 (gimplify_bind_expr): Likewise.
17135 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17136 true, disregard DECL_VALUE_EXPR on the decl if any.
17137 (gimplify_expr_in_ctx): New.
17138 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17139 omp_add_variable, omp_notice_variable, omp_is_private
17140 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17141 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17142 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17143 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17144 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17145 gimplify_omp_atomic): New.
17146 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17147 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17148 OMP_CRITICAL and OMP_ATOMIC.
17149 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17150 * c-pragma.h (enum pragma_kind): Add
17151 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17152 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17153 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17154 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17155 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17156 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17157 PRAGMA_OMP_THREADPRIVATE.
17158 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17159 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17160 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17161 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17162 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17163 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17164 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17165 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17167 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17168 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17169 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17170 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17172 (struct nesting_info): Add field_map,
17173 suppress_expansion, debug_var_chain.
17174 (create_nesting_tree): Initialize them.
17175 (lookup_field_for_decl): Use field_map.
17176 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17177 (convert_local_omp_clauses): New.
17178 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17179 (walk_body): Split out of walk_function.
17180 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17181 (convert_nonlocal_reference): Handle omp statements.
17182 (convert_local_reference): Likewise.
17183 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17184 (unnest_nesting_tree): New.
17185 (lower_nested_functions): Call it.
17186 (insert_field_into_struct): Make extern.
17187 (struct walk_stmt_info): Move to tree-gimple.h.
17188 (walk_stmts): Make extern.
17189 * omp-builtins.def: New file.
17190 * tree-iterator.c (expr_only): Clarify comment.
17191 * c-common.h (pushdecl_top_level, pushdecl,
17192 build_modify_expr, build_indirect_ref,
17193 c_finish_omp_master, c_finish_omp_critical,
17194 c_finish_omp_ordered, c_finish_omp_barrier,
17195 c_finish_omp_atomic, c_finish_omp_flush,
17196 c_finish_omp_for, c_split_parallel_clauses,
17197 omp_clause_default_kind, c_omp_sharing_predetermined,
17198 c_omp_remap_decl): Declare.
17199 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17200 (OBJS-common): Add omp-low.o.
17201 (c-omp.o, omp-low.o): Add.
17202 (gimplify.o): Add dependency on $(OPTABS_H).
17203 (GTFILES): Add omp-low.c.
17204 (gt-stringpool.h): Add.
17205 * tree-cfg.c (set_bb_for_stmt): Do not update the
17206 block-to-labels map if we are currently expanding to RTL.
17207 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17209 Handle IDENTIFIER_NODE.
17210 (tree_verify_flow_info): Do not ICE when emitting error
17211 messages about invalid labels.
17212 (dump_function_to_file): Reset CFUN before emitting the body
17214 (debug_function): New.
17215 * passes.c (init_optimization_passes): Schedule
17217 * langhooks-def.h (lhd_omp_predetermined_sharing,
17218 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17220 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17221 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17222 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17223 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17224 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17225 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17226 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17227 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17228 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17229 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17230 (LANG_HOOK_DECLS): Use them.
17232 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17233 Richard Henderson <rth@redhat.com>
17234 Jakub Jelinek <jakub@redhat.com>
17235 Diego Novillo <dnovillo@redhat.com>
17237 * c-parser.c (pragma_omp_clause): Define.
17238 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17239 (c_parser_compound_statement): Likewise.
17240 (c_parser_statement): Likewise.
17241 (c_parser_pragma): Handle omp pragmas.
17242 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17243 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17244 (c_parser_omp_clause_name, check_no_duplicate_clause,
17245 c_parser_omp_variable_list,
17246 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17247 c_parser_omp_clause_copyprivate,
17248 c_parser_omp_clause_default,
17249 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17250 c_parser_omp_clause_lastprivate,
17251 c_parser_omp_clause_nowait,
17252 c_parser_omp_clause_num_threads,
17253 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17254 c_parser_omp_clause_reduction,
17255 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17256 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17257 c_parser_omp_atomic, c_parser_omp_barrier,
17258 c_parser_omp_critical, c_parser_omp_flush,
17259 c_parser_omp_for_loop, c_parser_omp_for,
17260 c_parser_omp_master, c_parser_omp_ordered,
17261 c_parser_omp_sections_scope, c_parser_omp_sections,
17262 c_parser_omp_parallel, c_parser_omp_single,
17263 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17264 * c-pragma.c (init_pragma): Do omp pragma registration here.
17265 * c.opt (fopenmp): New flag.
17267 2006-01-18 Eric Christopher <echristo@apple.com>
17269 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17270 * config/darwin.h (GOMP_SELF_SPECS): Define.
17272 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17274 * rtl.h: Remove the prototype for reg_alloc.
17276 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17279 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17280 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17281 sjlj and dwarf2 exception handling.
17282 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17283 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17284 * pa/pa.c (function_value): Treat complex and vector types as
17286 (function_arg): Likewise. Only pass scalar floats in the floating
17287 point argument registers.
17288 * pa/t-slibgcc-dwarf-ver: New file.
17289 * pa/t-slibgcc-sjlj-ver: New file.
17290 * pa/t-slibgcc-elf-ver: Delete file.
17292 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17294 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17295 unlikely_test_section_p test.
17297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17299 * mode-switching.c (optimize_mode_switching): Make it static.
17300 * basic-block.h: Remove the prototype for
17301 optimize_mode_switching.
17303 * modulo-sched.c (sms_schedule): Make it static.
17304 * rtl.h: Remove the prototype for sms_schedule.
17306 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17307 * rtl.h: Remove the prototype for gcse_after_reload_main.
17309 * reg-stack.c (reg_to_stack): Make it static.
17310 * rtl.h: Remove the prototype for reg_to_stack.
17312 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17314 * rtl.h: Remove the prototypes for regrename_optimize and
17315 copyprop_hardreg_forward.
17317 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17319 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17320 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17321 Test against the appropriate null constant for the mode.
17322 If 'fixup_overlap' is true, swap the operands if they overlap.
17323 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17324 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17325 alpha_split_tmode_pair and adjust for above change.
17326 * config/alpha/alpha.md (movtf_internal): Adjust call to
17327 alpha_split_tfmode_pair and rely on it to swap the operands.
17328 (movti_internal): New insn and post-reload splitter.
17329 (movti): New expander.
17331 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17333 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17336 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17338 * rtlanal.c (global_reg_mentioned_p_1,
17339 global_reg_mentioned_p): Remove.
17340 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17342 * flow.c (initialize_uninitialized_subregs): Make it static.
17343 * rtl.h: Remove the prototype for
17344 initialize_uninitialized_subregs.
17346 * function.c (instantiate_virtual_regs): Make it static.
17347 * function.h: Remove the prototype for
17348 instantiate_virtual_regs.
17350 * regmove.c (regmove_optimize, combine_stack_adjustments):
17352 * rtl.h: Remove the prototypes for regmove_optimize and
17353 combine_stack_adjustments.
17355 2006-01-17 Roger Sayle <roger@eyesopen.com>
17357 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17358 (size_cost): Encode costs in bytes so that a reg-reg addition is
17359 equivalent to COSTS_N_INSNS(1).
17360 (override_options): Use the size_cost.branch_cost as the default
17361 ix86_branch_cost when optimizing for size.
17363 2006-01-18 Ben Elliston <bje@au.ibm.com>
17365 * Makefile.in (D32PBIT_FUNCS): New.
17366 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17367 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17368 D64PBIT_FUNCS and D128PBIT_FUNCS.
17369 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17370 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17372 (decnumber_dep): Define.
17373 * doc/libgcc.texi (Decimal float library routines): New node.
17374 * config/dfp-bit.h, config/dfp-bit.c: New files.
17376 2006-01-18 Ben Elliston <bje@au.ibm.com>
17378 * expr.c (emit_move_change_mode): Always adjust addresses, not
17379 just during reload. Copy replacements only during reload.
17380 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17381 emit_move_via_integer.
17383 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17385 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17386 instead of $(srcdir) and ${srcdir}.
17388 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17391 PR middle-end/11135
17392 * arm.h (struct machine_function): Add pic_reg.
17393 * arm.c (arm_pic_register): Make unsigned.
17394 (arm_override_options): Only set arm_pic_register if
17395 TARGET_SINGLE_PIC_BASE.
17396 (use_return_insn): Only test for a pic register if it is fixed.
17397 (arm_compute_save_reg0_reg12_mask): Likewise.
17398 (thumb_compute_save_reg_mask): Likewise.
17399 (legitimate_pic_operand): Factor out some known invariants.
17400 (legitimize_pic_address): If we don't have a fixed pic register,
17401 then set up a pseudo in the function entry sequence. Handle the
17402 pic base being in a pseudo.
17403 (arm_load_pic_register): Handle the pic register being in a pseudo.
17404 (arm_expand_prologue): Only set up the pic register if it is fixed.
17405 (thumb_expand_prologue): Likewise.
17406 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17407 (pic_load_addr_based_insn): Likewise.
17408 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17411 2006-01-18 Ben Elliston <bje@au.ibm.com>
17413 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17414 decimal float modes for all floating point registers.
17416 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17417 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17419 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17422 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17423 even when the pointer is not NULL.
17425 2006-01-16 Ian Lance Taylor <ian@airs.com>
17427 * common.opt (ftoplevel-reorder): New option.
17428 * cgraph.c (cgraph_asm_nodes): New global variable.
17429 (cgraph_asm_last_node): New static variable.
17430 (cgraph_order): New global variable.
17431 (cgraph_create_node): Set new order field.
17432 (cgraph_varpool_node): Likewise.
17433 (decide_is_variable_needed): Return true if not
17434 flag_toplevel_reorder.
17435 (cgraph_add_asm_node): New function.
17436 * cgraph.h (struct cgraph_node): Add order field.
17437 (struct cgraph_varpool_node): Add order field.
17438 (struct cgraph_asm_node): Define.
17439 (cgraph_asm_nodes, cgraph_order): Declare.
17440 (cgraph_add_asm_node): Declare.
17441 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17443 (cgraph_varpool_assemble_pending_decls): Call it.
17444 (cgraph_output_pending_asms): New static function.
17445 (cgraph_finalize_compilation_unit): Call it.
17446 (struct cgraph_order_sort): Define.
17447 (cgraph_output_in_order): New static function.
17448 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17449 !flag_toplevel_reorder case.
17450 * c-parser.c: Include "cgraph.h".
17451 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17453 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17454 than -fno-unit-at-a-time.
17455 * doc/invoke.texi (Option Summary): Mention
17456 -fno-toplevel-reorder.
17457 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17458 -funit-at-a-time documentation.
17460 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17461 Kazu Hirata <kazu@codesourcery.com>
17463 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17465 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17467 * Makefile.in (FUNCTION_H): New. Use it instead of
17468 function.h throughout the file.
17469 * function.h: Include tree.h.
17471 2006-01-17 Ben Elliston <bje@au.ibm.com>
17473 * recog.c: Separate some functions with whitespace.
17475 2006-01-16 Richard Henderson <rth@redhat.com>
17477 Merge from gomp branch:
17478 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17479 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17480 and rename from struct inline_data. Rename callee* to dst*;
17481 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17482 transform_new_cfg, transform_return_to_modify, and
17483 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17485 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17486 (copy_decl_for_dup): Remove.
17487 * tree-inline.c (struct inline_data): Move to header.
17488 (insert_decl_map): Export.
17489 (remap_decl): Update for member name changes. Use copy_decl hook.
17490 Allow for replacement to be a non-decl. Remove dead code.
17491 (remap_type_1): Check for existing mapping.
17492 (remap_type): Export.
17493 (remap_decls): Update for member name changes.
17494 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17495 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17496 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17497 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17498 (tree_function_versioning, build_duplicate_type): Likewise.
17499 (copy_body_r): Likewise. Export.
17500 (copy_decl_for_dup): Split into ...
17501 (copy_decl_for_dup_finish, copy_decl_to_var,
17502 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17503 (replace_ref_tree, inlining_p): Remove.
17505 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17507 * ifcvt.c (if_convert): Make it static.
17508 * rtl.h: Remove the prototype for if_convert.
17510 * local-alloc.c (local_alloc): Make it static.
17511 * rtl.h: Remove the prototype for local_alloc.
17513 * loop.c (loop_optimize): Make it static.
17514 * cfgloop.h: Remove the prototype for loop_optimize.
17517 2006-01-16 DJ Delorie <dj@redhat.com>
17519 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17522 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17524 * pa.md: Disparage copies between general and floating-point registers
17525 in 32-bit move patterns.
17527 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17530 * Makefile.in (check-%): Depend on site.exp instead of
17531 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17534 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17536 * global.c (global_alloc): Make it static.
17537 * rtl.h: Remove the prototype for global_alloc.
17539 2006-01-16 Richard Guenther <rguenther@suse.de>
17541 * tree-ssa-alias.c (struct used_part): Add write_only field.
17542 (get_or_create_used_part_for): Initialize it to true.
17543 (create_overlap_variables_for): Don't create structure variables
17544 for structures that only are written to.
17545 (find_used_portions): Handle MODIFY_EXPR to track whether a
17546 structure is only written to.
17548 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17550 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17552 * basic-block.h: Remove the prototype for
17553 partition_hot_cold_basic_blocks.
17555 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17557 * cppspec.c (lang_specific_spec_functions): Remove.
17558 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17559 * gcc.h (lang_specific_spec_functions): Remove.
17560 * gccspec.c (lang_specific_spec_functions): Remove.
17562 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17564 * combine.c (record_value_for_reg): Invalidate registers
17566 (record_dead_and_set_regs_1): Likewise, by passing them to
17567 record_value_for_reg.
17568 (record_dead_and_set_regs): Invalidate stores made by a
17569 call. We do not combine across a call, but we still
17570 relied on equivalences.
17572 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17574 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17575 vrp_int_const_binop returning non-constant nodes.
17577 2006-01-16 Paul Brook <paul@codesourcery.com>
17579 * config/m68k/m68k.c (output_move_const_into_data_reg):
17580 Output correct mnemonic for mvz and mvs.
17582 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17584 * rtl-factoring.c: Add sequence abstraction algorithm.
17585 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17586 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17588 (block_has_preserve_label): New function.
17589 * common.opt: Register new pass.
17590 * Makefile.in: Ditto.
17592 * timevar.def: Ditto.
17593 * tree-pass.h: Ditto.
17594 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17595 * rtl.h (make_jump_insn_raw): Add forward decl.
17596 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17598 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17599 Roger Sayle <roger@eyesopen.com>
17601 * fold-const.c (fold_minmax): New static function.
17602 (fold_binary) <MIN_EXPR>: Call it.
17603 <MAX_EXPR>: Likewise.
17604 * stor-layout.c (place_field): Use DECL_SIZE consistently
17605 in the computation of the new record size.
17607 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17609 * cse.c (cse_condition_code_reg): Make it static.
17610 * rtl.h: Remove the prototype for cse_condition_code_reg.
17612 * combine.c (combine_instructions): Make it static.
17613 * rtl.h: Remove the prototype for combine_instructions.
17615 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17618 * tree.c (get_file_function_name_long): Concatenate the first global
17619 object name with a string derived from the input filename of the object
17622 2006-01-16 Ben Elliston <bje@au.ibm.com>
17624 * config/i386/winnt-stubs.c: Update FSF address.
17625 * config/xtensa/ieee754-df.S: Ditto.
17626 * config/xtensa/ieee754-sf.S: Ditto.
17628 2006-01-14 Ian Lance Taylor <ian@airs.com>
17630 * ifcvt.c (noce_init_if_info): New static function, broken out of
17631 noce_process_if_block.
17632 (noce_process_if_block): Call noce_init_if_info.
17633 (check_cond_move_block): New static function.
17634 (cond_move_process_if_block): New static function.
17635 (process_if_block): Call cond_move_process_if_block.
17637 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17639 * cselib.c (hash_table): Rename to cselib_hash_table.
17640 (cselib_clear_table, discard_useless_values,
17641 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17642 cselib_init, cselib_finish): Adjust uses of hash_table.
17644 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17646 PR tree-optimization/25485
17647 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17648 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17649 is known to be false and true, respectively.
17651 2006-01-14 Richard Guenther <rguenther@suse.de>
17653 PR tree-optimization/22548
17654 PR tree-optimization/22555
17655 PR tree-optimization/22501
17656 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17657 * params.def (salias-max-array-elements): New parameter.
17658 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17659 * doc/invoke.texi (salias-max-array-elements): Document.
17660 * tree-flow-inline.h (var_can_have_subvars): We also handle
17662 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17664 * tree-ssa-structalias.c (params.h): Include.
17665 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17666 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17667 (get_constraint_for): For ADDR_EXPR operating on something
17668 containing an ARRAY_REF, add all subvars to the solution.
17669 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17670 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17671 for creating MUST_DEFs.
17672 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17674 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17676 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17678 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17679 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17680 number_of_iterations_le): New functions.
17681 (number_of_iterations_special): Removed.
17682 (number_of_iterations_exit): Do not use number_of_iterations_special.
17683 * tree.c (unsigned_type_for): Always return integer type.
17685 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17686 Richard Guenther <rguenther@suse.de>
17688 PR rtl-optimization/24257
17689 * gcse.c (find_moveable_store): Only consider a store movable
17690 when the SET_SRC of the insn can be assigned to a register.
17692 2006-01-14 Ian Lance Taylor <ian@airs.com>
17694 * tree.c (tree_not_class_check_failed): New function.
17695 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17696 (tree_not_class_check_failed): Declare.
17698 2006-01-13 Ian Lance Taylor <ian@airs.com>
17700 * reload1.c (do_output_reload): Add assertion rejecting a
17703 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17705 * combine.c (struct reg_stat): Add new fields truncation_label and
17707 (record_value_for_reg): Reset truncated_to_mode.
17708 (record_truncated_value): New function.
17709 (check_promoted_subreg): Call it. Rename to check_conversions.
17710 (combine_instructions): Rename check_promoted_subreg to
17712 (reg_truncated_to_mode): New function.
17713 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17714 (gen_lowpart_or_truncate): New function.
17715 (force_to_mode): Use it instead of gen_lowpart.
17717 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17719 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17720 VAR is a tag, not its type tag.
17722 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17724 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17725 alternatives to match style of other entries.
17726 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17728 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17730 PR tree-optimization/25771
17731 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17734 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17737 * tree-inline.c (declare_return_variable): If the return variable
17738 was marked as a non gimple complex, set the return slot variable
17739 to be a non gimple comple variable.
17741 2006-01-13 Richard Guenther <rguenther@suse.de>
17743 * builtins.c (expand_builtin_sincos): New function.
17744 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17746 (expand_builtin): Expand sincos using expand_builtin_sincos.
17748 2006-01-12 DJ Delorie <dj@redhat.com>
17750 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17751 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17752 so that constant shifts can be split.
17753 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17754 (m32c_valid_pointer_mode): Make static.
17755 (shift_gen_func_for): New.
17756 (m32c_prepare_shift): Use it. Split large const shifts into
17758 * config/m32c/predicates.md (shiftcount_operand): Allow more
17760 (longshiftcount_operand): New.
17761 * doc/md.texi (Machine Constraints): Document In6.
17763 2006-01-13 Ben Elliston <bje@au.ibm.com>
17765 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17766 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17769 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17771 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17772 to try to avoid clobbering pieces of structures when we know
17773 something about the whole structure.
17774 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17776 2006-01-13 Ben Elliston <bje@au.ibm.com>
17778 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17779 return in memory, as this is no limitation is no longer present.
17781 2006-01-12 DJ Delorie <dj@redhat.com>
17783 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17784 mova with fb, and for fb+0 -> An.
17786 * config/m32c/mov.md (peephole2): Fix enabling logic.
17788 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17789 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17790 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17791 FINI_ARRAY_SECTION_ASM_OP): Define.
17793 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17795 (m32c_legitimize_reload_address): New logic to reload FB to An.
17796 (m32c_output_reg_push): Add newline.
17797 (m32c_output_reg_pop): Likewise.
17799 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17801 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17803 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17805 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17807 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17809 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17812 2006-01-11 Ben Elliston <bje@au.ibm.com>
17814 * rtlanal.c (find_reg_note): Assert insn is not null.
17816 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17818 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17821 2006-01-11 Jeff Law <law@redhat.com>
17823 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17825 (mark_threaded_blocks, register_jump_thread): New functions.
17826 (thread_through_all_blocks): Remove unwanted argument. No
17827 longer rely on e->aux to communicate thread target info.
17828 Call mark_threaded_blocks. Release the threaded_blocks
17829 bitmap and threaded_edges vector when complete.
17830 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17831 (threaded_blocks): Remove.
17832 (tree_ssa_dominator_optimize): Remove initialization and
17833 finalization of threaded_blocks. Simplify call to
17834 thread_through_all_blocks.
17835 (thread_across_edge): Call register_jump_thread rather than
17836 storing thread information into e->aux.
17837 (free_all_edge_infos): Simplify now that e->aux is no longer
17838 used to communicate with thread_through_all_blocks.
17839 * tree-flow.h (thread_through_all_blocks): Update prototype.
17840 (register_jump_thread): Prototype.
17842 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17844 * df-core.c (df_compact_blocks, df_bb_replace): Use
17845 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17847 2006-01-11 Richard Guenther <rguenther@suse.de>
17849 PR tree-optimization/25734
17850 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17851 stop propagation after successful propagation to the LHS.
17853 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17855 * basic-block.h (control_flow_graph): Change the type of
17856 x_basic_block_info to VEC(basic_block,gc) *.
17857 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17859 (SET_BASIC_BLOCK): New.
17860 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17861 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17862 * cfgbuild.c (find_basic_blocks): Likewise.
17863 * cfglayout.c (fixup_reorder_chain): Likewise.
17864 * cfgrtl.c (create_basic_block_structure,
17865 rtl_create_basic_block): Likewise.
17866 * ifcvt.c (find_if_case_1): Likewise.
17867 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17870 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17872 * Makefile.in: Removed rotted odf.c entry.
17874 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17877 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17878 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17879 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17880 output pattern modifier, not %e.
17881 * config/cris/cris.c (cris_op_str): Update comment about pattern
17883 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17884 before falling through into...
17885 <case 'E'>: Redefined from old 'e' case.
17887 2006-01-11 Jan Hubicka <jh@suse.cz>
17890 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17892 2006-01-11 Jan Hubicka <jh@suse.cz>
17894 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17895 * i386.c (x86_decompose_lea): Kill.
17896 (ix86_rtx_costs): Kill.
17898 2006-01-11 Jan Hubicka <jh@suse.cz>
17900 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17901 * cgraph.h (cgraph_node): Add inline_decl.
17902 (cgraph_insert_node_to_hashtable): Declare.
17903 (save_inline_function_body): Declare.
17904 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17906 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17907 (cgraph_function_versioning): Update call of tree_function_versioning.
17908 (save_inline_function_body): New function.
17909 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17910 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17911 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17912 (cgraph_default_inline_p): Likewise.
17913 (cgraph_decide_inlining_incrementally): Likewise.
17914 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17915 (copy_bb): Kill saving; do updating of clones.
17916 (copy_cfg_body): Kill saving.
17917 (initialize_inlined-parameters): Likewise.
17918 (expand_call_inline): Likewise.
17920 (tree_function_versioning): New parameter "update_clones".
17921 (inlining_p): Kill saving.
17922 * tree-inline.h (tree_function_versioning): Update prototype.
17923 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17926 2006-01-11 Ian Lance Taylor <ian@airs.com>
17928 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17929 Allow undoing set of machine mode.
17930 (do_SUBST): Use enums instead of is_int.
17931 (do_SUBST_MODE): New function.
17932 (SUBST_MODE): New macro.
17933 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17934 reg and trying to replace reg_regno_rtx with a new register.
17935 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17936 (simplify_set): Use SUBST_MODE.
17937 (distribute_notes): Remove code that tried to update reg notes
17938 for regno_reg_rtx changes.
17940 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17942 PR tree-optimization/23109
17943 PR tree-optimization/23948
17944 PR tree-optimization/24123
17946 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17947 * tree-cfg.c (single_noncomplex_succ): New.
17948 * tree-flow.h (single_noncomplex_succ): Declare it.
17949 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17950 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17951 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17952 insert_bb, register_division_in, insert_reciprocals,
17953 replace_reciprocal, free_bb): New.
17954 (execute_cse_reciprocals_1): Rewritten.
17955 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17956 Do not commit any edge insertion. Always compute dominators and
17957 create the allocation pool.
17958 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17959 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17960 * targhooks.c (default_min_divistions_for_recip_mul): New.
17961 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17962 * passes.c (init_optimization_passes): Run recip after tree loop
17964 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17966 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17967 Kenneth Zadeck <zadeck@naturalbridge.com>
17969 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17970 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17971 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17972 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17973 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17974 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17975 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17976 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17977 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17978 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17979 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17980 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17981 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17982 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17983 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17984 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17985 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17986 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17987 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17988 DF_SCAN_POST_ALLOC): New macros.
17989 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17990 df_free_bb_function, df_local_compute_function, df_init_function,
17991 df_dataflow_function, df_confluence_function_0,
17992 df_confluence_function_n, df_transfer_function,
17993 df_finalizer_function, df_free_function, df_dump_problem_function,
17994 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17995 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17996 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17997 df_urec_bb_info, ) New types.
17998 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18000 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18001 df_analyze_simple_change_some_blocks,
18002 df_analyze_simple_change_one_block, df_compact_blocks,
18003 df_bb_replace, df_bb_regno_last_use_find,
18004 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18005 df_insn_regno_def_p, df_find_def, df_find_use,
18006 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18007 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18008 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18009 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18010 debug_df_chain, df_get_dependent_problem, df_chain_create,
18011 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18012 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18013 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18014 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18015 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18016 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18017 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18018 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18019 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18020 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18021 df_reorganize_refs, df_set_state, df_hard_reg_init,
18022 df_read_modify_subreg_p) New public functions.
18023 * df-core.c: The core dataflow solver and glue routines for rtl
18025 (df_init, df_add_problem, df_set_blocks, df_finish,
18026 df_hybrid_search_forward, df_hybrid_search_backward,
18027 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18028 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18029 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18030 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18031 df_reg_defined, df_find_use, df_reg_used, df_dump,
18032 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18033 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18034 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18035 debug_df_useno, reset_df_after_reload): New functions.
18036 * df-scan.c: The scanning fuctions, once in df.c, completely
18037 rewritten so that they now fully model the functionality of
18038 register usage at the backend.
18039 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18040 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18041 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18042 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18043 df_get_artificial_defs, df_get_artificial_uses,
18044 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18045 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18046 df_refs_delete, df_reorganize_refs, df_set_state,
18047 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18048 df_def_record_1, df_defs_record, df_uses_record,
18049 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18050 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18051 df_record_exit_block_uses, df_hard_reg_init): New functions.
18053 * df-problems.c: Seven concrete dataflow problems that use the
18054 scanning in df-scan.c and are solved by the engine in df-core.c.
18055 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18056 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18057 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18058 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18059 df_ru_free_bb_info, df_ru_alloc,
18060 df_ru_bb_local_compute_process_def,
18061 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18062 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18063 df_ru_transfer_function, df_ru_free, df_ru_dump,
18064 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18065 df_rd_free_bb_info, df_rd_alloc,
18066 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18067 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18068 df_rd_transfer_function, df_rd_free, df_rd_dump,
18069 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18070 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18071 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18072 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18073 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18074 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18075 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18076 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18077 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18078 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18079 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18080 df_urec_mark_reg_use_for_earlyclobber,
18081 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18082 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18083 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18084 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18085 df_chain_create_bb_process_use, df_chain_create_bb,
18086 df_chain_finalize, df_chain_free, df_chains_dump,
18087 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18088 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18089 df_reg_lifetime): New functions.
18090 * df.c: Deleted file.
18091 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18092 consistent with new df api.
18093 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18094 rest_of_handle_sms): Ditto.
18095 * web.c (unionfind_union, union_defs, entry_register, web_main):
18097 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18098 invariant_expr_equal_p, find_defs, check_dependencies,
18099 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18100 free_inv_motion_data, move_loop_invariants): Ditto.
18101 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18102 Update dependencies.
18103 (odf.c): Added defective entry that was deleted later in day.
18104 * sched-deps.c (sched_analyze_1): Ditto.
18106 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18108 * tree-ssa-operands.c (get_expr_operands): Record addressable
18109 variables directly. Do not call add_stmt_operands for CONST_DECLs
18111 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18112 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18114 2006-01-11 Ben Elliston <bje@au.ibm.com>
18116 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18117 function returns true in the positive case.
18119 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18122 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18123 for SI, DI, SF and DF modes. Add alternatives to copy between
18124 general and floating point registers to the 32-bit patterns.
18125 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18126 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18127 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18128 generating 64-bit code.
18129 * config/pa/pa.c (output_move_double): Handle copies between general
18130 and floating registers.
18132 2006-01-10 Stuart Hastings <stuart@apple.com>
18134 * config/i386/i386.md (set_got): Update.
18135 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18136 (builtin_setjmp_receiver): Mach-O support.
18137 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18138 (GOT_SYMBOL_NAME): Define.
18139 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18140 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18141 * config/i386/i386.c (override_options): Revise for Darwin.
18142 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18143 support. (darwin_x86_file_end): New. (output_set_got): Add label
18144 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18145 * config/i386/i386-protos.h (output_set_got): Likewise.
18146 * config/darwin.c (machopic_legitimize_pic_address): Update
18149 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18151 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18152 when MODE isn't BLKmode.
18154 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18156 PR rtl-optimization/25367
18157 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18159 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18162 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18163 for a negative bound.
18165 2006-01-10 Richard Guenther <rguenther@suse.de>
18167 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18168 Never override with anything constraint.
18170 2006-01-10 Jan Beulich <jbeulich@novell.com>
18172 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18173 256 bits when optimize_size.
18175 2006-01-10 Jan Beulich <jbeulich@novell.com>
18177 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18179 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18180 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18183 2006-01-10 Ben Elliston <bje@au.ibm.com>
18185 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18187 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18188 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18189 (USE_FP_FOR_ARG): Reject decimal float modes.
18190 (function_arg_advance): Likewise.
18191 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18192 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18193 point types in AltiVec vectors.
18194 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18195 (rs6000_libcall_value): Likewise.
18197 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18199 * config/xtensa/ieee754-df.S: New file.
18200 * config/xtensa/ieee754-sf.S: New file.
18201 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18202 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18203 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18205 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18207 * config/sh/predicates.md (binary_float_operator,
18208 binary_logical_operator, commutative_float_operator,
18209 equality_comparison_operator, greater_comparison_operator,
18210 less_comparison_operator, logical_operator,
18211 noncommutative_float_operator, shift_operator,
18212 symbol_ref_operand, unary_float_operator): Remove redundant
18215 2006-01-09 Jeff Law <law@redhat.com>
18217 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18218 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18219 now unused arguments. Callers updated.
18220 (eliminate_redundant_computations): Remove now unused arguments,
18222 (local_fold): Remove, no longer used.
18223 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18225 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18226 (simplify_cond): New function.
18227 (forward_propagate_into_cond): Call simplify_cond.
18229 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18231 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18232 (*vec_extractv2di_1_sse): New.
18234 2006-01-09 Ben Elliston <bje@au.ibm.com>
18236 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18238 2006-01-08 Richard Guenther <rguenther@suse.de>
18240 * tree-ssa-structalias.c (get_constraint_for): Remove
18241 anyoffset argument.
18242 (get_constraint_for_component_ref): Likewise.
18243 (do_deref): Likewise.
18244 (get_constraint_for): Likewise.
18245 (do_structure_copy): Likewise.
18246 (handle_ptr_arith): Likewise.
18247 (find_func_aliases): Likewise. Remove unused need_anyoffset
18250 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18251 Kaz Kojima <kkojima@gcc.gnu.org>
18253 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18254 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18255 (EXTRA_CONSTRAINT_C16): Remove.
18256 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18257 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18258 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18259 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18260 constants of SHmedia. Handle nested constant expressions of
18262 (andcosts): Fix the costs for SHmedia constants.
18263 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18264 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18265 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18266 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18267 (movv4hi_i, movv2si_i): Likewise.
18268 (movsi_const): Adjust the second operand of ior so to match with
18269 the Csu constraint.
18270 (movdi_const, movdi_const_32bit): Likewise.
18271 (movdi_const_16bit+1): Don't sign-extend LOW.
18272 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18274 (*double_shori): Fix the split condition. Use GEN_INT instead
18275 of get_int_mode calls. Mask lower 16-bit of the argument of
18277 (sym2GOTPLT): Remove.
18278 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18280 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18281 instead of EXTRA_CONSTRAINT_C16.
18283 2006-01-07 Ian Lance Taylor <ian@airs.com>
18284 David Edelsohn <edelsohn@gnu.org>
18286 PR rtl-optimization/25662
18287 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18288 for constant operands instead of simplify_gen_binary.
18289 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18290 after trying simplify_binary_operation
18292 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18294 * tree.c (iterative_hash_expr): Hash decls based on UID.
18296 2006-01-06 Eric Christopher <echristo@apple.com>
18298 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18299 (TARGET_UNWIND_EMIT): Fix spelling.
18300 * target.h (gcc_target): Add except_table_label.
18301 * except.c (output_function_exception_table): Use.
18302 * varasm.c (default_emit_except_table_label): New.
18303 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18305 (asm_out): Add here.
18306 * output.h (default_emit_except_table_label): Prototype.
18307 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18308 * config/darwin.c (darwin_emit_except_table_label): Define.
18309 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18311 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18313 PR tree-optimization/18527
18314 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18315 number_of_iterations_special, number_of_iterations_exit):
18316 Move base and step of an iv to a single structure. Add
18317 no_overflow flag, and use it in # of iterations analysis.
18318 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18319 folded_casts argument.
18320 (simple_iv): Pass base and step in a structure. Set no_overflow
18322 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18323 Evaluate expensiveness of computing # of iterations instead of
18324 the final expression.
18325 * tree-scalar-evolution.h (affine_iv): New structure.
18326 (simple_iv): Declaration changed.
18327 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18328 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18329 find_givs_in_stmt): Changed due to simple_iv change.
18331 2006-01-06 Jeff Law <law@redhat.com>
18334 * tree-cfg.c (bsi_replace): Rename final argument from
18335 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18336 change (stmt -> orig_stmt).
18337 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18338 (bsi_remove): Add new argument. Remove EH information
18340 (verify_eh_throw_table_statements): New function.
18341 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18343 * tree-optimize.c (execute_free_cfg_annotations): Verify
18344 the EH throw statement table after removing annotations.
18345 * except.h (verify_eh_throw_table_statements): Prototype.
18346 * tree-flow.h (bsi_remove): Update prototype.
18347 * tree-vrp.c (remove_range_assertions): Add new argument to
18349 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18350 * tree-complex.c (expand_complex_div_wide): Likewise.
18351 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18352 * tree-tailcall.c (eliminate_tailcall): Likewise.
18353 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18354 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18355 * tree-nrv.c (tree_nrv): Likewise.
18356 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18357 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18358 (combine_blocks): Likewise.
18359 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18360 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18361 (cleanup_control_flow): Likewise.
18362 (remove_forwarder_block): Likewise.
18363 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18364 * tree-sra.c (sra_replace): Likewise.
18365 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18366 (forward_propagate_single_use_vars): Likewise.
18367 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18368 * tree-inline.c (expand_call_inline): Likewise.
18369 * tree-vect-transform.c (vect_transform_loop): Likewise.
18370 * tree-outof-ssa.c (rewrite_trees): Likewise.
18371 * tree-cfg.c (make_goto_expr_edges): Likewise.
18372 (cleanup_dead_labels): Likewise.
18373 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18374 (bsi_move_before, bsi_move_after): Likewise.
18375 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18376 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18378 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18381 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18383 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18384 on non gimple variables. Also add checks at the top for decls and
18386 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18388 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18389 and IMAGPART_EXPR for creating MUST_DEFs.
18390 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18391 and NAME_MEMORY_TAG separately from the DECLs.
18393 2006-01-06 Richard Guenther <rguenther@suse.de>
18395 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18396 annotation, if necessary.
18397 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18398 redundant calls to update_stmt.
18399 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18402 2006-01-05 Richard Henderson <rth@redhat.com>
18404 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18406 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18408 * c-typeck.c: Update copyright date.
18410 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18412 * c-typeck.c (build_c_cast): Always warn when casting
18413 from a pointer to an integer of different size, even if
18414 the node was constant.
18416 2006-01-05 Richard Guenther <rguenther@suse.de>
18418 PR tree-optimization/22555
18419 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18420 if one structure field is an array.
18421 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18422 operands even if we found a subvar, but ignore VOPs in this
18424 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18426 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18428 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18430 PR middle-end/24998
18431 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18433 2006-01-05 Richard Guenther <rguenther@suse.de>
18434 Diego Novillo <dnovillo@redhat.com>
18436 * tree-pass.h (TODO_remove_unused_locals): Define.
18437 * gimple-low.c (expand_var_p, remove_useless_vars,
18438 pass_remove_useless_vars): Remove. Update all users.
18439 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18440 (remove_unused_locals): New function.
18441 * tree-flow.h (remove_unused_locals): Declare.
18442 * passes.c (execute_todo): Call remove_unused_locals if
18443 TODO_remove_unused_locals is set.
18444 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18445 * tree-ssa-dce.c (pass_dce): Likewise.
18446 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18448 2006-01-05 Richard Guenther <rguenther@suse.de>
18450 * tree-flow.h (struct fieldoff): Decompose field to
18451 type, size and decl.
18452 * tree-ssa-alias.c (create_sft): Take type as parameter.
18453 (create_overlap_variables_for): Store type, size and decl
18454 in the fieldoff structure.
18455 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18456 of struct fieldoff.
18457 (push_fields_onto_fieldstack): Likewise.
18458 (create_variable_info_for): Likewise. Use offset for the
18459 SFT name if the decl is not available.
18461 2006-01-04 Paul Brook <paul@codesourcery.com>
18463 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18465 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18467 * lambda-code.c (can_put_in_inner_loop): Relax
18469 (can_put_after_inner_loop): New function.
18470 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18471 (perfect_nestify): Change to make copies and modify uses.
18473 2006-01-04 Richard Henderson <rth@redhat.com>
18475 Merge from gomp branch:
18476 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18477 via integer constant.
18478 (pragma_lex): Remove.
18479 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18480 rather than parsing it.
18481 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18482 handle_pragma_extern_prefix): Add %< %> quotes.
18483 (registered_pragmas): New.
18484 (c_register_pragma_1): New.
18485 (c_register_pragma): Use it.
18486 (c_register_pragma_with_expansion): Likewise.
18487 (c_invoke_pragma_handler): New.
18488 (init_pragma): Use cpp_register_deferred_pragma directly for
18490 * c-pragma.h (enum pragma_kind): New.
18491 (pragma_handler): New.
18492 (c_invoke_pragma_handler): Declare.
18493 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18495 * c-common.h (c_common_pch_pragma): Update decl.
18496 * Makefile.in (c-parser.o): Update dependencies.
18497 (GTFILES): Add c-pragma.h.
18498 * c-parser.c (struct c_token): Add pragma_kind.
18499 (struct c_parser): Add in_pragma.
18500 (c_lex_one_token): Always initialize keyword and pragma_kind.
18501 Extract data for CPP_PRAGMA.
18502 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18503 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18504 Don't allow CPP_PRAGMA_EOL if in_pragma.
18505 (c_parser_consume_pragma): New.
18506 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18507 (c_parser_skip_to_end_of_parameter): Likewise.
18508 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18509 (c_parser_skip_to_pragma_eol): New.
18510 (c_parser_external_declaration): Handle CPP_PRAGMA.
18511 (c_parser_compound_statement_nostart): Likewise.
18512 (c_parser_statement_after_labels): Likewise.
18513 (c_parser_pragma): New.
18514 (pragma_lex): Likewise.
18515 (c_parser_pragma_pch_preprocess): New.
18516 (c_parser_new): Merge into ...
18517 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18519 2006-01-04 Jeff Law <law@redhat.com>
18522 * tree-cfg.c (bsi_replace): Remove the original statement
18523 from the EH throw statement table.
18525 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18527 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18528 make the prototype extern "C" and add throw ().
18531 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18532 and pos non-negative and pos + len <= 32.
18533 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18534 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18535 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18538 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18539 as well as sizes not multiple of component size.
18542 * function.c (instantiate_expr): New function.
18543 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18544 walk its DECL_VALUE_EXPR with instantiate_expr.
18546 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18547 DW_OP_deref{,_size} if address isn't going to be added.
18549 2006-01-04 Ben Elliston <bje@au.ibm.com>
18551 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18552 * config/fp-bit.c: Likewise.
18554 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18556 * dominance.c: Add comment about why we use DFS numbering
18559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18560 Richard Henderson <rth@redhat.com>
18562 Merge from gomp-branch:
18563 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18564 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18566 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18568 PR rtl-optimization/25578
18569 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18570 pass a parameter to simplify_shift_const if changing ASHIFTRT
18573 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18575 * builtins.c (get_builtin_sync_mem): New function.
18576 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18577 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18578 Call get_builtin_sync_mem to generate mem rtx.
18580 2006-01-03 Richard Guenther <rguenther@suse.de>
18583 * stmt.c (add_case_node): Make sure to clear overflow flags
18586 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18588 Merge from gomp-branch.
18589 * config/sparc/sync.md: New file.
18590 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18591 UNSPECV_LDSTUB): New constants.
18592 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18593 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18594 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18597 2006-01-03 Roger Sayle <roger@eyesopen.com>
18599 * combine.c (reg_subword_p): New predicate to test whether the
18600 destination of a set refers to a subword/piece of a register.
18601 (try_combine): Generalize the code to merge the setting of a
18602 pseudo to a constant followed by a set of a subword of that
18603 register to a constant.
18605 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18607 * basic-block.h (control_flow_graph): Change the type of
18608 x_label_to_block_map to VEC(basic_block,gc) *.
18609 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18610 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18612 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18613 VEC(basic_block,heap) *.
18614 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18615 ssa_prop_fini): Adjust the uses of cfg_blocks.
18617 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18619 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18621 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18622 hashing trees instead of a pointer hash.
18623 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18624 compare for MEM_EXPR.
18626 PR rtl-optimization/25130
18627 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18628 when comparing MEMs for GCSE
18630 2006-01-03 Ben Elliston <bje@au.ibm.com>
18632 * targhooks.h (default_decimal_float_supported_p): Declare.
18633 * targhooks.c (default_decimal_float_supported_p): Define.
18634 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18635 `default_decimal_float_supported_p'.
18636 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18638 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18640 * combine.c (apply_distributive_law <SUBREG>): Check
18641 TRULY_NOOP_TRUNCATION.
18643 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18645 * dwarf2out.c (have_switched_text_section): Delete.
18646 (have_multiple_function_sections): New.
18647 (have_location_lists): Make 'bool'.
18648 (add_AT_loc_list): Use 'true' not '1'.
18649 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18650 (output_loc_list): Use have_multiple_function_sections.
18651 (output_ranges): Likewise.
18652 (dwarf2out_begin_function): Set have_multiple_function_sections if
18654 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18655 Check function_section rather than DECL_SECTION_NAME.
18656 (dwarf2out_finish): Use have_multiple_function_sections.
18657 Don't clear have_location_lists.
18659 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18660 Jan Hubicka <jh@suse.cz>
18662 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18663 case of conditional jump jumping to the next instruction.
18664 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18665 cases of conditional jump jumping to the next instruction.
18667 2006-01-02 Jan Hubicka <jh@suse.cz>
18669 * i386.c (*_cost): Add COSTS_N_INSNS.
18670 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18672 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18675 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18677 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18679 * config/arm/arm.c (all_fpus): Fix comment typo.
18680 * config/darwin.c: Likewise.
18681 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18682 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18683 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18685 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18687 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18688 (rs6000_split_compare_and_swapqhi): New.
18689 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18690 (sync_compare_and_swapqhi_internal): New.
18691 * config/rs6000/rs6000-protos.h: Declare.