1 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
5 (arm_neg_abssi2): Renamed from neg_abssi2.
6 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
8 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
10 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
11 number of arguments passed to local functions in SSE registers is 3.
13 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
14 number of arguments passed in SSE registers to 3.
16 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
19 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
21 (get_last_bb_insn): ... new global function.
22 (basic_block.h): Declare it.
23 * haifa-sched.c (create_recovery_block): Use it.
25 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
28 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
30 2006-11-15 Paul Brook <paul@codesourcery.com>
32 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
33 _Unwind_GetTextRelBase): Move from here ...
34 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
35 _Unwind_GetTextRelBase): ... To here.
37 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
39 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
40 addresses we generate for testing are aligned.
42 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
45 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
46 to what is the const decl is a place holder for.
48 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.opt: New target option -mx87regparm.
52 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
53 and float_in_x87 variables. mmx_words, sse_words: Remove.
54 (X87_REGPARM_MAX): Define.
56 * config/i386/i386.c (override_options): Error out for
57 -mx87regparm but no 80387 support.
58 (ix86_attribute_table): Add x87regparm.
59 (ix86_handle_cconv_attribute): Update comments for x87regparm.
60 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
61 (ix86_function_x87regparm): New function.
62 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
64 (init_cumulative_args): Initialize x87_nregs and float_in_x87
66 (function_arg_advance): Process x87_nregs and x87_regno when
67 floating point argument is to be passed in 80387 register.
68 (function_arg): Pass XFmode arguments in 80387 registers for local
69 functions. Pass SFmode and DFmode arguments to local functions
70 in 80387 registers when flag_unsafe_math_optimizations is set.
72 * reg-stack.c (convert_regs_entry): Disable NaN load for
73 stack registers that are used for argument passing.
75 * doc/extend.texi: Document x87regparm function attribute.
76 * doc/invoke.texi: Document -mx87regparm.
78 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
80 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
81 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
82 arg MODE; all callers changed. Use it to determine validity per
83 machine mode instead of using Pmode for all memory references.
84 (get_address_cost): Likewise add and use new arg MEM_MODE.
86 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
87 J"orn Rennecke <joern.rennecke@st.com>
89 * combine.c (likely_spilled_retval_1): Fix masking operation.
90 (likely_spilled_retval_p): Use proper pattern for call to
91 likely_spilled_retval_1.
93 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
95 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
97 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
98 that tests for CONSTANT_POOL_ADDRESS_P.
100 2006-11-15 Jakub Jelinek <jakub@redhat.com>
102 PR tree-optimization/29581
103 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
104 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
105 type is different between Y and USE, create a temporary
106 variable, initialize it at the beginning of the body bb
107 and use it as replacement instead of Y.
109 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
112 * gimplify.c (fold_indirect_ref_rhs): Use
113 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
115 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
117 * expmed.c (emit_store_flag_1): New function.
118 (emit_store_flag): Call it. If we can't find a suitable scc insn,
120 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
121 Use do_compare_rtx_and_jump.
122 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
123 * arm.md (cstoresi4): New define_expand.
124 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
125 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
126 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
128 2006-11-14 Caroline Tice <ctice@apple.com>
130 * dwarf2out.c (debug_pubtypes_section): New static global variable.
131 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
133 (pubname_table): Redefine as a vector.
134 (pubtype_table): New static global variable, defined as a vector.
135 (pubname_table_allocated): Remove static global variable.
136 (pubname_table_in_use): Remove static global variable.
137 (PUBNAME_TABLE_INCREMENT): Remove constant.
138 (size_of_pubnames): Add parameter to deal with either pubnames or
139 pubtypes, and change code to deal with table being a vector.
140 (add_pubname): Change to deal with table being a vector.
141 (add_pubtype): New function.
142 (output_pubnames): Add parameter to deal with either pubnames or
143 pubtypes, and change code to deal with table being a vector.
144 (gen_array_type_die): Add call to add_pubtype.
145 (gen_enumeration_type_die): Add call to add_pubtype.
146 (gen_struct_or_union_type_die): Add call to add_pubtype.
147 (gen_subroutine_type_die): Add call to add_pubtype.
148 (gen_typedef_die): Add call to add_pubtype.
149 (dwarf2out_init): Add code to initialize pubname_table and
150 pubtype_table vectors; also initialize debug_pubtypes_section.
151 (prune_unused_types): Change to deal with pubnames being a vector.
152 (dwarf2out_finish): Change to deal with pubnames being a vector; add
153 pubnames table to call to output_pubnames; Add code to output pubtypes
154 table if DEBUG_PUBTYPES_SECTION is defined.
155 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
157 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
159 2006-11-14 Joseph Myers <joseph@codesourcery.com>
161 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
162 iwmmxt_nregs if TARGET_IWMMXT_ABI.
163 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
164 movv2si_internal): Support moves between core registers.
166 2006-11-14 Eric Christopher <echristo@apple.com>
168 * configure: Regenerate with autoconf 2.59.
170 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
172 Fix PR tree-optimization/27755
174 * tree-ssa-pre.c: Update comments.
175 (bb_bitmap_sets): Add pa_in and deferred member.
176 (BB_DEFERRED): New macro.
177 (maximal_set): New variable.
178 (pre_stats): Add pa_insert member.
179 (bitmap_set_and): Short circuit orig == dest.
180 (bitmap_set_subtract_values): New function.
181 (bitmap_set_contains_expr): Ditto.
182 (translate_vuses_through_block): Add phiblock argument.
183 (dependent_clean): New function.
184 (compute_antic_aux): Update for maximal_set changes.
185 (compute_partial_antic_aux): New function.
186 (compute_antic): Handle partial anticipation.
187 (do_partial_partial_insertion): New function.
188 (insert_aux): Handle partial anticipation.
189 (add_to_sets): Add to maximal set.
190 (compute_avail): Ditto.
191 (init_pre): Initialize maximal_set.
192 (execute_pre): Do partial anticipation if -O3+.
194 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
196 PR rtl-optimization/29798
198 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
199 TARGET_INSN before any other check.
200 (fwprop_init): Always calculate dominators.
201 (fwprop_done): Always free them.
203 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
205 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
208 2006-11-13 DJ Delorie <dj@redhat.com>
210 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
211 temporary for intermediates.
213 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
215 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
216 (sh_optimize_target_register_callee_saved): #if 0 the code
217 using NOTE_INSN_LOOP_{BEG,END}.
219 2006-11-13 Roger Sayle <roger@eyesopen.com>
221 * fold-const.c (optimize_bit_field_compare): Recursively call
222 fold when simplifying non-constant comparisons between bit-fields.
224 2006-11-13 Jakub Jelinek <jakub@redhat.com>
226 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
228 * configure: Rebuilt.
230 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
232 * config/rs6000/cell.md: New file.
233 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
235 (ppccell_cost): New cost matrix.
236 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
237 (rs6000_override_options): Set rs6000_always_hint to false
238 for cell. Also align functions/lables/loops to 8byte
239 for the Cell. Use PROCESSOR_CELL.
240 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
242 (rs6000_variable_issue): If the insn is a nonpipelined instruction
243 on the Cell, return 0.
244 (rs6000_adjust_cost): Add Cell cost adjustments.
245 (is_microcoded_insn): Return true for Cell microcoded
247 (is_nonpipeline_insn): New function.
248 (rs6000_issue_rate): Add PROCESSOR_CELL.
249 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
251 (rs6000_use_sched_lookahead_guard): New function.
252 (rs6000_sched_reorder): Reorder the ready list, if the second
253 to last ready insn is a nonepipeline insn on the Cell.
254 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
255 (ASM_CPU_SPEC): Add Cell.
256 * config/rs6000/rs6000.md (cpu): Add Cell.
257 (cell_micro): New Attr.
260 2006-11-13 Jakub Jelinek <jakub@redhat.com>
262 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
264 * configure: Rebuilt.
266 2006-11-13 Richard Guenther <rguenther@suse.de>
268 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
270 (ix86_expand_lfloorceil): Likewise.
271 (ix86_expand_rint): Likewise.
272 (ix86_expand_floorceildf_32): Likewise.
273 (ix86_expand_floorceil): Likewise.
274 (ix86_expand_rounddf_32): Likewise.
275 (ix86_expand_truncdf_32): Likewise.
276 (ix86_expand_round): Likewise.
278 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
279 Mark Mitchell <mark@codesourcery.com>
281 * gcc.c: Organize search path variables into $prefix relative,
282 and well-known native. Add comments.
283 (add_sysrooted_prefix): Add comment.
284 (process_command): If !gcc_exec_prefix add $prefix based paths.
285 If *cross_compile == '0', add native well-known paths.
286 Assert tooldir_base_prefix is always relative.
287 (main): If print_search_dirs, and if gcc_exec_prefix is set,
288 use this value for 'install:' path.
289 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
291 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
293 * config/i386/i386.c: Fix a typo in comment.
295 2006-11-13 Michael Matz <matz@suse.de>
297 * genemit.c (gen_expand): Allocate enough memory.
299 2006-11-13 Joseph Myers <joseph@codesourcery.com>
301 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
302 __GXX_TYPEINFO_EQUALITY_INLINE but not
303 __GXX_MERGED_TYPEINFO_NAMES.
304 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
305 __GXX_MERGED_TYPEINFO_NAMES.
306 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
307 __GXX_TYPEINFO_EQUALITY_INLINE.
309 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
310 Zdenek Dvorak <dvorakz@suse.cz>
312 PR tree-optimization/29680
313 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
316 2006-11-12 Jason Merrill <jason@redhat.com>
317 Andrew Pinski <pinskia@physics.uc.edu>
320 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
322 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
324 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
325 * tree.c (build_vector): Handle non-_CST elements.
327 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
329 * genemit.c (gen_insn): Call gen_exp with a non-null used
330 when handling multiple insns.
331 (gen_expand): Likewise.
332 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
333 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
334 (movsi_const_16bit+1): Copy operands[1].
335 (call_pcrel): Copy the call_site pattern.
336 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
338 2006-11-12 Roger Sayle <roger@eyesopen.com>
340 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
341 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
342 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
343 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
345 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
347 Fix PR tree-optimization/29587
348 * tree-ssa-structalias.c (process_constraint): Don't
349 mark address taken due only to escaped vars constraint.
351 2006-11-12 Michael Matz <matz@suse.de>
352 Roger Sayle <roger@eyesopen.com>
354 PR rtl-optimization/29797
355 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
356 BITS_BIG_ENDIAN targets.
358 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
360 * builtins.c (fold_builtin_cosh): New.
361 (fold_builtin_1): Use it.
362 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
363 trunc to the list of "odd" functions. Also add llrint, lrint,
364 rint and nearbyint when flag_rounding_math is false.
366 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
368 * tree-flow.h (name_mappings_registered_p): Declare.
369 * tree-into-ssa.c (name_mappings_registered_p): New function.
370 * tree-cfg.c (tree_can_merge_blocks_p): Check
371 name_mappings_registered_p instead of need_ssa_update_p.
373 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
375 * tree-ssa-loop.c (tree_vectorize): Return the result of
377 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
379 * tree-vectorizer.h (vectorize_loops): Declaration removed.
380 * tree-flow.h (vectorize_loops): Declaration changed.
382 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
384 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
386 (issue_prefetch_ref): Move assignment to write_p out of loop.
387 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
388 SIMULTANEOUS_PREFETCHES into account.
389 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
390 * lambda-code.c (lcm): Renamed to ...
391 (least_common_multiple): ... and exported.
392 * tree-flow.h (least_common_multiple): Declare.
394 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
396 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
397 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
398 ud-chains. Handle AND_EXPR.
399 (record_estimate): Record whether the estimate is realistic
400 and whether it is derived from a loop exit.
401 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
402 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
404 (compute_estimated_nb_iterations): Take only realistic bounds into
405 account. Set estimate_state. Use double_ints.
406 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
407 and infer_loop_bounds_from_signedness. Do not consider basic blocks
408 that do not have to be always executed.
409 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
410 to determine whether to call infer_loop_bounds_from_undefined
411 and compute_estimated_nb_iterations.
412 (n_of_executions_at_most): Use double_ints.
413 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
414 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
415 * double-int.c (double_int_to_tree): Improve comment.
416 (double_int_fits_to_tree_p): New function.
417 * double-int.h (double_int_fits_to_tree_p): Declare.
418 * tree-data-ref.c: Include langhooks.h.
419 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
420 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
421 (analyze_array): Do not pass estimate_only argument to
422 analyze_array_indexes.
423 (get_number_of_iters_for_loop): Build tree from the stored double_int
425 (get_references_in_stmt, find_data_references_in_stmt): New functions.
426 (find_data_references_in_loop): Use find_data_references_in_stmt.
427 * tree-data-ref.h (struct data_ref_loc_d): New.
428 (get_references_in_stmt): Declare.
429 (estimate_iters_using_array): Declaration removed.
430 * cfgloop.h (struct nb_iter_bound): Change type of bound to
431 double_int. Improve comments. Add is_exit and realistic
433 (struct loop): Changed type of estimated_nb_iterations to double_int.
434 Added estimate_state field.
435 (record_estimate): Declaration removed.
437 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
439 * params.c (set_param_value): Initialize the "set" field.
440 * params.h (struct param_info): Add "set" field.
441 (PARAM_SET_P): New macro.
442 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
443 L1_CACHE_LINE_SIZE): New macros.
444 * toplev.c (DEFPARAM): Initialize the "set" field.
445 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
446 SIMULTANEOUS_PREFETCHES): Removed.
447 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
448 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
449 * config/sparc/sparc.c: Include params.h.
450 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
451 L1_CACHE_LINE_SIZE parameters.
452 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
454 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
456 * config/i386/i386.c: Include params.h.
457 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
458 (override_options): Set SIMULTANEOUS_PREFETCHES and
459 L1_CACHE_LINE_SIZE parameters.
460 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
461 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
462 L1_CACHE_LINE_SIZE parameters.
463 * config/ia64/ia64.c (ia64_optimization_options): Set
464 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
465 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
467 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
468 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
469 * doc/invoke.texi: Document new params.
471 2006-11-12 Roger Sayle <roger@eyesopen.com>
473 PR tree-optimization/13827
474 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
477 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
479 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
480 update_single_exit_for_duplicated_loops): New functions.
481 (duplicate_loop_to_header_edge): Use
482 update_single_exit_for_duplicated_loops.
483 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
484 functions only with ENABLE_CHECKING.
486 2006-11-12 Andreas Schwab <schwab@suse.de>
488 * except.c (sjlj_emit_function_enter): Remove unused variable.
490 2006-11-11 Roger Sayle <roger@eyesopen.com>
492 * fold-const.c (int_binop_types_match_p): New function.
493 (size_binop): Relax constraint that both arguments must both have
494 exactly the same sizetype type. Instead use int_binop_types_match_p.
495 (size_diffop): Likewise.
497 (make_range): Use build_int_cst instead of fold_convert.
498 (fold_cond_expr_with_comparison): Use build_int_cst to construct
499 integer constants of the correct type.
500 (fold_div_compare): Likewise.
501 (fold_single_bit_test): Likewise.
502 (fold_binary): Likewise.
503 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
504 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
506 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
509 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
510 non null value if the struct memory access is in the 0th
513 2006-11-12 Jie Zhang <jie.zhang@analog.com>
516 2006-11-11 Jie Zhang <jie.zhang@analog.com>
517 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
520 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
521 instead of builtin_define for bfin and BFIN.
523 2006-11-11 Jie Zhang <jie.zhang@analog.com>
525 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
528 2006-11-11 Jan Hubicka <jh@suse.cz>
530 * extended.texi (__builtin_expect): We no longer require second argument
532 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
533 * builtins.c (expand_builtin_expect): Simplify.
534 (expand_builtin_expect_jump): Kill.
535 * final.c (final_scan_insn): Do not skip the removed notes.
536 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
537 EXPECTED_VALUE): Remove.
538 * dojump.c (do_jump): Do not care about __builtin_expect.
539 * predict.c (expected_value_to_br_prob): Kill.
540 * function.c (expand_function_end): Do not expand
541 NOTE_INSN_REPEATED_LINE_NUMBER.
542 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
543 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
544 * cfgexpand.c (add_reg_br_prob_note): Export.
545 * cfgcleanup.c (rest_of_handle_jump2): Do not call
546 expected_value_to_br_prob.
547 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
548 * rtl.h (add_reg_br_prob_note): Declare.
550 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
554 2006-11-11 Jan Hubicka <jh@suse.cz>
556 * predict.c (predict_loops): Kill RTL variant.
558 2006-11-11 Jan Hubicka <jh@suse.cz>
560 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
561 * modulo-sched.c (find_line_note): Remove.
562 (loop_canon_p): Do not worry about line number notes.
563 (sms_schedule): Likewise.
564 * cse.c (cse_main): Likewise.
565 * regmove.c (fixup_match_1): Likewise
566 * function.c (emit_return_info_block): Likewise.
567 (expand_function_end): Likewise.
568 (thread_prologue_an_epilogue_insns): Likewise.
569 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
571 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
572 emit_note_copy_after): Kill.
573 (emit_note_copy): Do not worry about line numbers.
574 * jump.c (purge_line_number_notes): Kill.
575 (pass_purge_lineno_notes): Kill.
576 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
578 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
579 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
580 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
581 * tree-pass.h (pass_purge_lineno_notes): Kill.
582 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
583 rm_redundant_line_notes.
584 * sched-rgb.c (schedule_region): Don't rm_line_notes,
585 rm_redundant_line_notes.
586 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
587 * haifa-sched.c: Update comment about handling notes.
588 (unlink_line_notes): Kill.
589 (rm_line_notes): Kill.
590 (save_line_notes): Simplify.
591 (rm_redundant_line_notes): Kill.
593 2006-11-11 Richard Guenther <rguenther@suse.de>
595 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
596 Remove unused tree codes.
597 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
598 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
599 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
600 * tree.c (stabilize_reference): Likewise.
601 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
602 fold_unary): Likewise.
603 * tree-gimple.c (is_gimple_cast): Likewise.
604 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
605 * expr.c (expand_expr_real_1): Likewise.
606 * tree-eh.c (tree_could_trap_p): Likewise.
607 * gimplify.c (gimplify_expr): Likewise.
608 * tree-inline.c (estimate_num_insns_1): Likewise.
609 * tree-cfg.c (verify_expr): Likewise.
611 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
613 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
614 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
615 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
617 2006-11-11 Richard Sandiford <richard@codesourcery.com>
620 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
621 constraints accept neither registers or memories.
623 2006-11-11 Jie Zhang <jie.zhang@analog.com>
625 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
626 (NO_PROFILE_COUNTERS): Define as 1.
628 2006-11-10 Roger Sayle <roger@eyesopen.com>
630 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
631 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
633 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
635 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
637 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
639 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
640 (fold_builtin_hypot): Likewise.
641 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
643 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
645 2006-11-10 Roger Sayle <roger@eyesopen.com>
647 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
648 when attempting to build INTEGER_CSTs of non-integral types.
649 * expmed.c (make_tree): Use the correct type, i.e. the inner
650 type, when constructing the individual elements of a CONST_VECTOR.
652 2006-11-10 Jan Hubicka <jh@suse.cz>
654 * cse.c (cse_process_notes): Copy the propagated value.
655 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
657 * gcse.c (try_replace_reg): Copy the replacement.
658 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
659 (assign_386_stack_local): Always return copied memory expression
660 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
663 2006-11-10 Jan Hubicka <jh@suse.cz>
665 * final.c (final): Walk from first instruction.
666 * cfglayout.c (insn_locators_initialize): Remove line number notes.
668 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
671 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
673 (umulv8hi3_highpart): Ditto.
674 (vec_widen_smult_hi_v8hi): New expander.
675 (vec_widen_smult_lo_v8hi): Ditto.
677 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
680 * builtins.c (do_mpfr_arg3): New.
681 (fold_builtin_1): Handle builtins fma, fmin and fmax.
683 2006-11-09 Eric Christopher <echristo@apple.com>
688 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
689 * config.gcc (powerpc64-*-darwin*): New target.
690 * config.host: Ditto.
691 * config/rs6000/darwin64.h: New file.
692 * config/rs6000/x-darwin64: Ditto.
693 * config/rs6000/host-ppc64-darwin.c: Ditto.
695 2006-11-09 Steve Ellcey <sje@cup.hp.com>
697 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
698 routines for integer division.
700 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
702 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
704 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
707 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
709 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
711 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
712 simplify_subreg with BLKmode outer mode.
714 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
716 * doc/invoke.texi: Minor formatting fixes in option lists.
718 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
720 PR tree-optimization/29738
721 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
722 (ccp_lattice_t): Remove UNKNOWN_VAL.
723 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
724 Do not handle UNKNOWN_VAL.
725 (get_default_value): Set initial value of virtual operands to
727 (get_value): Always use get_default_value on uninitialized
729 (set_value_varying, surely_varying_stmt_p): New functions.
730 (set_lattice_value): Do not pass argument to get_value.
731 Do not handle UNKNOWN_VAL.
732 (likely_value): Follow the semantics described in the comment.
733 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
734 phi nodes DONT_SIMULATE_AGAIN.
735 (ccp_fold): Do not pass argument to get_value.
736 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
739 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
741 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
742 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
744 2006-11-08 Roger Sayle <roger@eyesopen.com>
746 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
747 test for inclusion rather than as a test for exclusion.
748 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
749 the condition after calling fold_binary.
750 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
751 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
752 * builtins.c (fold_builtin_isascii): Likewise.
753 (fold_builtin_isdigit): Likewise.
755 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
757 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
758 * configure: Regenerate.
760 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
762 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
763 enum argument instead of bool.
764 (vect_analyze_operations): Call vectorizable_type_promotion.
765 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
766 stmt_vec_info_type value.
767 (supportable_widening_operation, vectorizable_type_promotion): New
768 function declarations.
769 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
770 (vectorizable_type_promotion): New function.
771 (vect_transform_stmt): Call vectorizable_type_promotion.
772 * tree-vect-analyze.c (supportable_widening_operation): New function.
773 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
775 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
778 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
779 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
780 * tree-inline.c (estimate_num_insns_1): Add cases for above new
782 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
783 * expr.c (expand_expr_real_1): Likewise.
784 * optabs.c (optab_for_tree_code): Likewise.
785 (init_optabs): Initialize new optabs.
786 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
787 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
788 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
789 vec_unpacku_lo_optab): Initialize new optabs.
790 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
791 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
792 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
794 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
795 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
796 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
797 (vec_unpacku_lo_optab): New optabs.
798 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
799 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
800 (vec_widen_smult_hi, vec_widen_smult_lo): New.
801 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
802 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
803 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
805 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
806 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
807 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
808 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
809 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
810 implement the unsigned unpacking patterns.
811 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
812 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
813 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
814 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
815 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
816 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
817 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
818 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
819 multiplication patterns.
821 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
822 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
823 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
824 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
825 (rs6000_builtin_mul_widen_odd): New.
826 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
827 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
828 * tree-vectorizer.h (enum vect_relevant): New enum type.
829 (_stmt_vec_info): Field relevant chaned from bool to enum
831 (STMT_VINFO_RELEVANT_P): Updated.
832 (STMT_VINFO_RELEVANT): New.
833 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
834 instead of STMT_VINFO_RELEVANT_P.
835 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
836 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
837 and boolean variable with enum vect_relevant.
838 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
839 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
840 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
842 2006-11-08 Richard Henderson <rth@redhat.com>
844 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
845 vec_widen_umult_lo_v8hi): New.
846 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
847 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
849 * config/i386/i386.c (ix86_expand_sse_unpack): New.
850 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
851 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
852 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
853 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
854 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
855 vec_unpacks_lo_v4si): New.
857 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
859 * tree-vect-transform.c (vectorizable_type_demotion): New function.
860 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
861 (vect_analyze_operations): Call vectorizable_type_demotion.
862 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
863 stmt_vec_info_type value.
864 (vectorizable_type_demotion): New function declaration.
865 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
868 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
869 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
871 * tree-iniline.c (estimate_num_insns_1): Likewise.
872 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
873 * optabs.c (optab_for_tree_code): Likewise.
875 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
876 compared against the predicate of the result is not 'mode' (the input
877 to the function) but a mode with half the size of 'mode'.
878 (init_optab): Initialize new optabs.
879 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
881 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
883 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
884 (vec_pack_usat_optab): Initialize new optabs.
885 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
886 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
888 2006-11-08 Richard Henderson <rth@redehat.com>
890 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
891 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
892 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
893 (vec_interleave_highv4si, vec_interleave_lowv4si):
894 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
896 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
898 * tree-vect-transform.c (vectorizable_reduction): Support multiple
900 (vect_transform_stmt): Removed redundant code.
902 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
904 * tree-vect-transform.c (vectorizable_operation): Support multiple
907 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
909 * tree-vect-transform.c (vect_align_data_ref): Removed.
910 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
911 Updated function documentation. Return the increment stmt in ptr_incr.
912 (bump_vector_ptr): New function.
913 (vect_get_vec_def_for_stmt_copy): New function.
914 (vect_finish_stmt_generation): Create a stmt_info to newly created
916 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
918 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
919 VF is greater than the number of elements that can fit in one vector
921 (vectorizable_operation, vectorizable_condition): Likewise.
922 (vectorizable_store, vectorizable_load): Support the case that the VF
923 is greater than the number of elements that can fit in one vector word.
924 (vect_transform_loop): Don't fail in case of multiple data-types.
925 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
926 in case of multiple data-types; the smallest type determines the VF.
927 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
928 if they are of different sizes.
929 (vect_update_misalignment_for_peel): Compare misalignments in terms of
930 number of elements rather than number of bytes.
931 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
932 (vect_can_advance_ivs_p): Fix a dump printout
934 2006-11-07 Eric Christopher <echristo@apple.com>
936 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
938 * libgcc2.h: Remove transformation of bswap routines.
939 * config/i386/i386.md (bswapsi2): New.
942 2006-11-07 Jakub Jelinek <jakub@redhat.com>
944 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
945 (handle_gnu_inline_attribute): New function.
946 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
947 (merge_decls, start_decl, start_function): Likewise.
948 * doc/extend.texi: Document gnu_inline attribute.
950 2006-11-07 Steve Ellcey <sje@cup.hp.com>
953 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
954 _fixunstfdi, and _floatditf
956 2006-11-06 Anatoly Sokolov <aesok@post.ru>
958 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
960 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
961 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
962 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
963 which start in an odd register.
965 2006-11-07 Richard Sandiford <richard@codesourcery.com>
967 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
969 2006-11-07 Josh Conner <jconner@apple.com>
971 * doc/invoke.texi (fstrict-aliasing): Move implementation
973 * doc/tree-ssa.texi (Alias analysis): ...here.
975 2006-11-07 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/29610
978 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
979 of tree_purge_dead_eh_edges as it may free dominators.
981 * g++.dg/other/pr29610.C: New testcase.
983 2006-11-07 David Ung <davidu@mips.com>
985 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
986 costs when optimizing for size.
987 (override_options): Use mips_rtx_cost_optimize_size table for cost
990 2006-11-07 Jie Zhang <jie.zhang@analog.com>
992 * gcc.c (process_command): Treat -b as normal switch if its argument
995 2006-11-07 David Ung <davidu@mips.com>
997 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1000 2006-11-06 Eric Christopher <echristo@apple.com>
1002 * config.gcc: Add x86_64-darwin host support.
1003 * config.host: Ditto.
1004 * config/i386/darwin64.h: New file.
1005 * config/i386/t-darwin64: Ditto.
1007 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1009 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1010 and output-exists-not.
1012 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1015 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1016 checking for overflow.
1018 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1020 * configure.ac: Fixed typo in case statement: :: changed to ;;
1022 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1024 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1025 count_leading_zeros, and count_trailing_zeros.
1026 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1027 (TARGET_FOLD_BUILTIN): Define.
1028 (TARGET_EXPAND_BUILTIN): Define.
1029 (xtensa_init_builtins): New.
1030 (xtensa_fold_builtin): New.
1031 (xtensa_expand_builtin): New.
1032 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1033 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1034 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1035 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1036 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1037 (any_extend): New code macro.
1038 (u, su): New code attributes.
1039 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1040 (nsau): Remove; replaced by clzsi2.
1041 (ffssi2): Use clzsi2.
1042 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1043 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1044 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1045 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1046 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1048 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1050 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1052 * config/arm/t-strongarm-elf: Likewise.
1053 * config/arm/t-pe: Likewise.
1054 * config/arm/t-arm-elf: Likewise.
1055 * config/arm/t-xscale-elf: Likewise.
1056 * config/arm/t-arm-coff: Likewise.
1057 * config/arm/t-xscale-coff: Likewise.
1058 * config/arm/t-wince-pe: Likewise.
1060 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1062 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1065 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1068 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1071 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1074 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1075 as a valid 80387 constant.
1076 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1077 * config/i386/i386.md (unnamed splitter): Split the load of
1078 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1081 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1083 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1084 from the soft-frame, argument and virtual registers.
1086 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1088 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1089 patterns for standard 80387 constants.
1091 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1092 Steven Bosscher <steven@gcc.gnu.org>
1094 * fwprop.c: New file.
1095 * Makefile.in: Add fwprop.o.
1096 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1097 * passes.c (init_optimization_passes): Schedule forward propagation.
1098 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1100 * timevar.def (TV_FWPROP): New.
1101 * common.opt (-fforward-propagate): New.
1102 * opts.c (decode_options): Enable forward propagation at -O2.
1103 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1104 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1105 canon_for_address, table_size): Remove.
1106 (new_basic_block, insert, remove_from_table): Remove references to
1108 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1109 simplification loop more straightforward by not calling fold_rtx
1111 (equiv_constant): Move here a small part of fold_rtx_subreg,
1112 do not call fold_rtx. Call avoid_constant_pool_reference
1114 * recog.h (canonicalize_change_group): New.
1116 * doc/invoke.texi (Optimization Options): Document fwprop.
1117 * doc/passes.texi (RTL passes): Document fwprop.
1119 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1121 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1122 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1123 (grokdeclarator): Likewise.
1125 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1127 * tree-dump.c (dump_enable_all): Rename local variable
1128 ir_type to avoid name conflicts.
1129 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1130 instead of using ir_type().
1131 * profile.c (tree_register_profile_hooks): Likewise.
1132 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1133 * basic-block.h (struct edge_def): Likewise.
1134 * config/arm/arm.c (legitimize_pic_address): Likewise.
1135 * coretypes.h (ir_type): New enum of all intermediate languages
1137 * cfghooks.c (ir_type): Rename to...
1138 (current_ir_type): ...this. Distinguish between cfgrtl and
1139 cfglayout mode when the current IR is RTL. Return enum ir_type.
1140 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1142 2006-11-03 Paul Brook <paul@codesourcery.com>
1144 * config/arm/arm.c (arm_file_start): New function.
1145 (TARGET_ASM_FILE_START): Define.
1146 (arm_default_cpu): New variable.
1147 (arm_override_options): Set arm_default_cpu.
1149 2006-11-03 David Ung <davidu@mips.com>
1151 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1152 PROCESSOR_24KC and PROCESSOR_24KF.
1153 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1154 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1155 (mips_rtx_cost_data): Add costs for the 24kc.
1156 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1157 * config/mips/24k.md: Remove references to 24k and replace with
1158 uses of 24kc/24kf in the appropriate reservations.
1159 * doc/invoke.texi (MIPS Options): Updated.
1161 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1163 * config/sh/crt1.asm: Fix #ifdef indent.
1165 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1166 Merged from STMicroelectronics sources:
1167 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1168 * config/sh/crt1.asm (vbr_600): Add missing #if.
1169 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1170 * sh.opt (mfused-madd): New option.
1171 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1172 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1173 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1174 Remove pointless handler at VBR+0.
1175 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1176 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1177 fr7. Make sure the timer handler is called with the correct FPU
1178 precision setting, according to the ABI.
1179 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1180 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1181 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1182 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1183 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1184 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1185 zero as second operand.
1186 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1187 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1188 Fixed some bugs related to negative values, in particular -0
1189 and overflow at -0x80000000.
1190 * config/sh/divcost-analysis: Added sh4-300 figures.
1191 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1192 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1193 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1194 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1195 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1196 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1198 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1200 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1201 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1202 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1203 mac_mem, mem_mac, dfp_mul, fp_cmp.
1204 (insn_class, dfp_comp, any_fp_comp): Update.
1205 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1206 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1207 (muldf3_i): Likewise.
1208 (movsi_i): Split rI08 alternative into two separate alternatives.
1210 (movsi_ie, movsi_i_lowpart): Likewise.
1211 (movqi_i): Split ri alternative into two separate alternatives.
1213 * sh1.md (sh1_load_store, sh1_fp): Update.
1214 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1215 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1216 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1217 (sh4a_fp_double_arith): Likewise.
1218 * sh4-300.md: New file.
1219 * sh.c (sh_handle_option): Handle m4-300* options.
1220 (sh_adjust_cost): Fix latency of auto-increments.
1221 Handle SH4-300 differently than other SH4s. Check for new insn types.
1222 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1223 been set by an option.
1224 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1225 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1226 (mbranch-cost=): Likewise.
1227 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1229 * sh.md (mulsf3): Remove special expansion code.
1230 (mulsf3_ie): Now a define_insn_and_split.
1231 (macsf3): Allow for TARGET_SH4.
1233 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1234 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1235 (expand_cbranchdi4): Likewise.
1236 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1237 CONST_DOUBLE if the outer code is COMPARE.
1238 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1239 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1240 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1241 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1242 Remove redundant fp_{zero,one}_operand checks.
1243 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1244 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1245 (expand_cbranchdi4): Likewise.
1246 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1247 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1249 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1251 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1254 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1256 * doc/invoke.texi: Fix mfp-trap-mode typo.
1258 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1260 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1261 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1262 file_end_indicate_exec_stack.
1263 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1265 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1266 for a non-executable stack.
1267 * crti.asm: Likewise.
1268 * crtn.asm: Likewise.
1269 * libunwind.S: Likewise.
1271 2006-11-02 Ben Elliston <bje@au.ibm.com>
1273 * tree-ssa.c (warn_uninit): Use expand_location variables for
1274 locus and declaration locus.
1276 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1279 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1280 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1281 cmp{eq,gt,gtu}{si,di}_media.
1282 (*cmpne0si_media): Remove.
1283 (*movsicc_umin): Adjust gen_cmp*_media call.
1284 (unordered): Change the mode of unordered and operands[1] to
1286 (seq): Adjust gen_cmp*_media calls. Make the mode of
1287 a temporary result of compare SImode if needed. If the mode
1288 of operands[0] is DImode, extend the temporary result to DImode.
1289 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1290 (sunorderd): Change the mode of match_operand and unorderd to
1292 (cmpeq{sf,df}_media): Remove.
1293 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1294 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1295 and compare operation to SImode.
1297 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1299 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1301 (sparc64-sun-solaris2*): Likewise.
1303 2006-11-02 Paul Brook <paul@codesourcery.com>
1305 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1306 from priority argument. Use different section for non-default
1308 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1310 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1313 * except.c (switch_to_exception_section): Do not cache the section
1314 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1315 and flag_function_sections is set.
1317 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1320 * builtins.c (do_mpfr_sincos): New.
1321 (fold_builtin_1): Use it to fold builtin sincos.
1323 2006-11-01 Roger Sayle <roger@eyesopen.com>
1325 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1326 it into -D_REENTRANT.
1328 2006-11-01 Roger Sayle <roger@eyesopen.com>
1330 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1331 whether the assembler supports taking the difference of symbols in
1332 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1333 * configure: Regenerate.
1334 * config.in: Regenerate.
1335 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1336 the assembler doesn't support taking the difference of symbols in
1337 different sections, i.e. we're using the native solaris assembler.
1339 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1340 Peter Bergner <bergner@vnet.ibm.com>
1342 * doc/invoke.texi: Add cpu_type power6x
1343 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1344 * config.gcc: Add cpu_type power6x.
1345 * configure.ac: Add test for mf{t,f}gpr instructions.
1346 (HAVE_AS_MFPGPR): New.
1347 * config.in: Regenerate.
1348 * configure: Regenerate.
1349 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1350 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1351 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1352 and mftgpr attributes.
1353 (define_attr "cpu"): Add power6.
1354 Change instruction sequences to use new attributes.
1355 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1356 (fix_truncdfsi2_mfpgpr): New.
1357 (floatsidf_ppc64_mfpgpr): New.
1358 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1359 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1360 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1361 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1362 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1363 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1364 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1365 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1366 cntlz,exts and var_delayed_compare.
1367 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1368 _ARCH_PWR6X, if features enabled.
1369 * config/rs6000/rs6000.opt (mmfpgpr): New.
1370 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1371 (cached_can_issue_more): New variable.
1372 (processor_costs): Add power6_cost.
1373 (rs6000_sched_init): New function.
1374 (is_dispatch_slot_restricted): Deleted.
1375 (set_to_load_agen): New function.
1376 (is_load_insn,is_store_insn): New functions.
1377 (adjacent_mem_locations): New function.
1378 (insn_must_be_first_in_group): New function.
1379 (insn_must_be_last_in_group): New function.
1380 (rs6000_sched_reorder): New function.
1381 (rs6000_sched_reorder2): New function.
1382 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1383 TARGET_SCHED_REORDER2): Define.
1384 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1385 Add power6x. Add MASK_MFPGPR for power6x.
1386 (POWERPC_MASKS): Add MASK_MFPGPR.
1387 (rs6000_override_options): Set rs6000_always_hint to false
1388 for power6. Set rs6000_align_branch_targets. Replace
1389 rs6000_sched_groups check with rs6000_align_branch_targets.
1390 Use PROCESSOR_POWER6.
1391 (last_scheduled_insn): New variable.
1392 (load_store_pendulum): New variable.
1393 (rs6000_variable_issue): Set last_scheduled_insn and
1394 cached_can_issue_more.
1395 (rs6000_adjust_cost): Add power6 cost adjustments.
1396 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1397 with insn_must_be_first_in_group. Add power6 priority adjustments.
1398 (rs6000_issue_rate): Add CPU_POWER6.
1399 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1400 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1401 (TARGET_MFPGPR): New.
1402 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1403 (ASM_CPU_SPEC): Add power6x.
1404 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1406 * config/rs6000/power6.md: New file.
1408 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1410 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1411 HOST_WIDE_INT_PRINT to print high and low parts. Use
1412 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1413 printing a hexadecimal number prefix it with 0x.
1415 2006-11-01 Chris Johns <chris@contemporary.net.au>
1418 * Makefile.in (install-driver): Use exeext when installing
1419 $target-gcc-$version.
1421 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1423 * c-common.c (flag_cpp0x): New.
1424 * c-common.h (flag_cpp0x): New.
1425 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1426 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1427 * c-opts.c (set_std_cxx0x): New.
1428 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1429 * c.opt (std=c++0x): Document.
1430 (std=gnu++0x): Ditto.
1431 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1432 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1434 2006-11-01 Richard Guenther <rguenther@suse.de>
1436 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1438 (ix86_expand_floorceildf_32): Likewise.
1439 (ix86_expand_floorceil): Likewise.
1440 (ix86_expand_trunc): Likewise.
1442 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1444 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1447 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1449 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1451 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1453 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1455 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1456 * configure.ac (use_cxa_atexit): As a special case, don't test
1457 for libc definition of __cxa_atexit on mingw32
1458 * configure: Regenerate.
1459 * config.gcc (i[34567]86-pc-mingw32): Default to
1460 enable__cxa_atexit=yes.
1462 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1466 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1469 * c-decl.c (start_struct): Don't create self-containing
1471 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1473 * config/rs6000/rs6000-protos.h
1474 (darwin_rs6000_special_round_type_align): New.
1475 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1476 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1478 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1480 * toplev.c (compile_file): Call final_write_globals
1481 even if there have been errors.
1483 2006-10-31 Eric Christopher <echristo@apple.com>
1484 Falk Hueffner <falk@debian.org>
1486 * doc/extend.texi (__builtin_bswap32): Document.
1487 (__builtin_bswap64): Ditto.
1488 * doc/libgcc.texi (bswapsi2): Document.
1490 * doc/rtl.texi (bswap): Document.
1491 * optabs.c (expand_unop): Don't widen a bswap.
1492 (init_optabs): Init bswap. Set libfuncs explicitly
1493 for bswapsi2 and bswapdi2.
1494 * optabs.h (OTI_bswap): New.
1495 (bswap_optab): Ditto.
1496 * genopinit.c (optabs): Handle bswap_optab.
1497 * tree.h (tree_index): Add TI_UINT32_TYPE and
1499 (uint32_type_node): New.
1500 (uint64_type_node): Ditto.
1501 * tree.c (build_common_tree_nodes_2): Initialize
1502 uint32_type_node and uint64_type_node.
1503 * builtins.c (expand_builtin_bswap): New.
1504 (expand_builtin): Call.
1505 (fold_builtin_bswap): New.
1506 (fold_builtin_1): Call.
1507 * fold-const.c (tree_expr_nonnegative_p): Return true
1509 * builtin-types.def (BT_UINT32): New.
1511 (BT_FN_UINT32_UINT32): Ditto.
1512 (BT_FN_UINT64_UINT64): Ditto.
1513 * builtins.def (BUILT_IN_BSWAP32): New.
1514 (BUILT_IN_BSWAP64): Ditto.
1515 * rtl.def (BSWAP): New.
1516 * genattrtab.c (check_attr_value): New.
1517 * libgcc2.c (__bswapSI2): New.
1518 (__bswapDI2): Ditto.
1519 * libgcc2.h (__bswapSI2): Declare.
1520 (__bswapDI2): Ditto.
1521 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1522 * simplify-rtx.c (simplify_const_unary_operation): Return
1524 * libgcc-std.ver (__bwapsi2): Add.
1525 (__bswapdi2): Ditto.
1526 * reload1.c (eliminate_regs_1): Add bswap.
1527 (elimination_effects): Ditto.
1528 * config/i386/i386.h (x86_bswap): New.
1529 (TARGET_BSWAP): Use.
1530 * config/i386/i386.c (x86_bswap): Set.
1532 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1534 * coverage.c (coverage_checksum_string): Update comment.
1535 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1536 of get_file_function_name.
1537 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1538 of get_file_function_name_long.
1539 * tree.c (get_file_function_name): Rename from
1540 get_file_function_name_long; improve comment; handle 'I' and 'D'
1541 specially when the target has ctor/dtor support; remove special
1543 (get_file_function_name): Remove.
1544 * tree.h (get_file_function_name): Rename from
1545 get_file_function_name_long.
1546 (get_file_function_name): Remove prototype.
1548 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1550 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1551 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1553 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1554 Call dsymutil when compiling and linking one or more source files
1557 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1560 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1562 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1564 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1565 inline static functions in c99 mode.
1568 * doc/extend.texi (Inline): Update.
1569 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1570 * c-decl.c (current_extern_inline): Delete.
1571 (pop_scope): Adjust test for an undefined nested function.
1572 Add warning about undeclared inline function.
1573 (diagnose_mismatched_decls): Update comments. Disallow overriding
1574 of inline functions in a translation unit in C99. Allow inline
1575 declarations in C99 at any time.
1576 (merge_decls): Boolize variables. Handle C99 'extern inline'
1578 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1579 C99 inline semantics.
1580 (start_function): Don't clear current_extern_inline. Don't set
1582 (c_push_function_context): Don't push current_extern_inline.
1583 (c_pop_function_context): Don't restore current_extern_inline.
1586 * c-typeck.c (build_external_ref): Warn about static variables
1587 used in extern inline functions.
1588 * c-decl.c (start_decl): Warn about static variables declared
1589 in extern inline functions.
1591 2006-10-31 Roger Sayle <roger@eyesopen.com>
1594 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1595 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1596 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1597 or y is an even integer.
1599 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1602 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1603 * gthr-posix95.h (__gthread_active_p): Likewise.
1605 2006-10-31 Richard Guenther <rguenther@suse.de>
1607 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1608 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1609 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1610 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1611 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1612 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1613 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1614 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1617 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1619 * opts.c (decode_options): Disable CSE skip blocks.
1621 2006-10-30 Dirk Mueller <dmueller@suse.de>
1623 * c-common.h (strict_aliasing_warning): Fix whitespace.
1624 * c-decl (start_function): Move code for main decl warning ..
1625 * c-common.c (check_main_parameter_types): .. here.
1626 * c-common.h (check_main_parameter_types): Declare.
1628 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1631 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1633 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1635 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1636 be a PARALLEL containing sets. Return false when out_pat is not
1639 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1641 * config/mips/mips.md (mul<mode>3): Split into...
1642 (mulsi3, muldi3): ...these separate patterns.
1644 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1646 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1647 but with each set of options separated by spaces.
1649 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1651 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1652 dwarf_reg_size_table has been initialized.
1654 2006-10-30 Roger Sayle <roger@eyesopen.com>
1656 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1657 * ddg.c (print_ddg_edge): Likewise.
1658 * dwarf2out.c (prune_unused_types_walk): Likewise.
1659 * ifcvt.c (noce_try_cmove_arith): Likewise.
1660 * langhooks.c (add_builtin_function): Likewise.
1661 * reg-stack.c (subst_stack_regs_pat): Likewise.
1662 * tree.c (expanded_location): Likewise.
1663 * tree-dump.c (dequeue_and_dump): Likewise.
1665 2006-10-30 David Daney <ddaney@avtrex.com>
1667 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1669 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1671 PR tree-optimization/29637
1672 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1673 of the innertype is the innertype itself.
1675 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1677 * dwarf2out.c (file_name_acquire): Correct typo.
1679 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1681 * tree.h (tree_value_handle): Remove struct value_set declaration.
1682 Change value_set to bitmap_set.
1683 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1684 * tree-vn.c (get_value_handle): Made inline and moved to
1686 * tree-flow-inline.h: (has_stmt_ann): New function.
1687 * tree-ssa-pre.c (expressions): New variable.
1688 (next_expression_id): Ditto.
1689 (alloc_expression_id): New function.
1690 (struct value_set): Remove.
1691 (get_expression_id): New function.
1692 (get_or_alloc_expression_id): Ditto.
1693 (expression_for_id): Ditto.
1694 (clear_expression_ids): Ditto.
1695 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1696 (bb_value_sets): Renamed to bb_bitmap_sets.
1697 All value sets replaced with bitmap_sets.
1699 (BB_VISITED): New macro.
1700 (postorder): New variable.
1701 (add_to_value): Removed.
1702 (value_exists_in_set_bitmap): Ditto.
1703 (value_insert_into_set_bitmap): Ditto.
1706 (set_remove): Ditto.
1707 (set_contains_value): Ditto.
1708 (insert_into_set): Ditto.
1710 (find_leader): Ditto.
1711 (bitmap_set_subtract_from_value_set): Ditto.
1712 (value_insert_into_set): Ditto.
1713 (print_value_set): Ditto.
1714 (debug_value_set): Ditto.
1715 (constant_expr_p): New function.
1716 (bitmap_remove_from_set): Ditto.
1717 (bitmap_insert_into_set): Ditto.
1718 (bitmap_set_free): Ditto.
1719 (vh_compare): Ditto.
1720 (sorted_array_from_bitmap_set): Ditto.
1721 (bitmap_set_subtract): Ditto.
1722 (bitmap_set_equal): Ditto.
1723 (debug_bitmap_set): Ditto.
1724 (find_leader_in_sets): Ditto.
1725 (bitmap_set_replace_value): Modify for bitmapped sets.
1726 (phi_translate): Ditto.
1727 (phi_translate_set): Ditto.
1728 (bitmap_find_leader): Ditto.
1729 (valid_in_sets): Ditto.
1730 (union_contains_value): Ditto.
1732 (compute_antic_aux): Ditto. Mark changed blocks.
1733 (compute_antic): Ditto. Iterate in postorder and only over
1735 (compute_rvuse_and_antic_safe): Reuse postorder.
1736 (create_component_ref_by_pieces): Modify for bitmapped sets.
1737 (find_or_generate_expression): Ditto.
1738 (create_expression_by_pieces): Ditto.
1739 (insert_into_preds_of_block): Ditto.
1740 (changed_blocks): New variable.
1741 (do_regular_insertion): Broken out from insert_aux.
1742 (insert_aux): Modified for bitmapped sets.
1743 (find_existing_value_expr): New function.
1744 (create_value_expr_from): Use it.
1745 (insert_extra_phis): Removed.
1746 (print_bitmap_set): Renamed from bitmap_print_value_set.
1747 (compute_avail): Handle RETURN_EXPR.
1748 (init_pre): Modify for bitmapped sets.
1749 * tree-flow.h (has_stmt_ann): New function.
1751 2006-10-29 Roger Sayle <roger@eyesopen.com>
1753 * builtins.c (fold_builtin_floor): Check for the availability of
1754 the C99 trunc function before transforming floor into trunc.
1756 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1758 * builtins.c (fold_builtin_hypot): Rearrange recursive
1759 transformation before others, and also do ABS_EXPR. When
1760 necessary, check flag_unsafe_math_optimizations. When necessary,
1763 2006-10-29 Roger Sayle <roger@eyesopen.com>
1765 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1766 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1767 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1768 Fold -X eq/ne -Y as X eq/ne Y.
1770 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1772 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1773 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1774 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1775 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1776 Use an inclusive test for "mult" rather than "mul".
1777 (rotr<mode>3): Depend on ISA_HAS_ROR.
1778 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1780 (GENERATE_MULT3_DI): Delete.
1781 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1782 (ISA_HAS_MUL3): New macro.
1783 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1784 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1785 (ISA_HAS_CLZ_CLO): Likewise.
1786 (ISA_HAS_DCLZ_DCLO): Delete.
1787 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1788 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1789 the VR4120 and VR4130.
1790 (ISA_HAS_MACCHI): Use consistent formatting.
1791 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1792 (ISA_HAS_ROR): ...this new macro.
1793 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1794 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1795 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1797 2006-10-29 Roger Sayle <roger@eyesopen.com>
1799 PR tree-optimization/15458
1800 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1803 2006-10-29 Richard Guenther <rguenther@suse.de>
1805 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1806 (ix86_expand_truncdf_32): Likewise.
1807 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1808 trunc inline for SSE math and -fno-trapping-math and if not
1809 optimizing for size.
1810 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1811 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1812 for expanding btrunc inline for SSE math.
1814 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1816 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1817 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1818 i[34567]86-*-solaris2.1[0-9]*.
1819 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1820 Define conditionally depending on TARGET_64BIT_DEFAULT.
1821 (SPEC_32, SPEC_64): Define.
1822 (LINK_SPEC): Use them.
1823 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1825 2006-10-29 Richard Guenther <rguenther@suse.de>
1827 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1828 (ix86_expand_rounddf_32): Likewise.
1829 * config/i386/i386.c (ix86_expand_round): New function expanding
1830 round inline for SSE math and -fno-trapping-math and if not
1831 optimizing for size.
1832 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1833 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1834 round via ix86_expand_round.
1836 2006-10-29 Richard Guenther <rguenther@suse.de>
1838 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1839 (ix86_expand_floorceildf_32): Likewise.
1840 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1841 static helper function.
1842 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1844 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1845 * config/i386/i386.md (floordf2): Adjust to enable floor
1846 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1847 -fno-trapping-math is enabled and if not optimizing for size.
1848 (floorsf2, ceildf2, ceilsf2): Likewise.
1849 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1850 (sse2_maskcmpdf3): Likewise.
1852 2006-10-29 Richard Guenther <rguenther@suse.de>
1854 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1855 rint in case -fno-trapping-math is enabled.
1856 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1857 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1858 (ix86_expand_sse_fabs): Likewise.
1859 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1860 * config/i386/i386.md (rintdf2): Enable for SSE math if
1861 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1862 (rintsf2): Likewise.
1864 2006-10-29 Richard Guenther <rguenther@suse.de>
1866 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1867 to conversion optabs.
1868 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1869 as conversion optab.
1870 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1871 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1872 (lfloor_optab, lceil_optab): Adjust defines.
1873 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1874 lfloor and lceil optabs now being conversion optabs.
1875 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1876 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1877 New static helper function.
1878 (ix86_expand_lfloorceil): New function to expand lfloor and
1880 * config/i386/i386.md (lfloor<mode>2): Split into ...
1881 (lfloorxf<mode>2): ... x87 variant
1882 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1883 using ix86_expand_lfloorceil.
1884 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1886 * doc/md.texi (lfloorMN, lceilMN): Document.
1888 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1890 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1891 -mno-shared assembler option on mips targets.
1892 * configure, config.in: Regenerate.
1893 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1894 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1895 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1897 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1899 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1900 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1902 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1904 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1905 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1908 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1912 (fold_builtin_pow): Evaluate constant arguments at compile-time
1914 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1915 (do_mpfr_ckconv): New helper function.
1916 (do_mpfr_arg1): Use do_mpfr_ckconv.
1917 (do_mpfr_arg2): New.
1919 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1922 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1923 (-fdump-rtl-sched): Rename to ..
1924 (-fdump-rtl-sched1): here. Also fix file extension number.
1926 2006-10-28 Richard Guenther <rguenther@suse.de>
1928 * fold-const.c (maybe_canonicalize_comparison): Fix code
1931 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1933 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1934 (NON_QI_REG_P): Use IN_RANGE.
1935 (REX_INT_REGNO_P): Use IN_RANGE.
1936 (FP_REGNO_P): Use IN_RANGE.
1937 (SSE_REGNO_P): Use IN_RANGE.
1938 (REX_SSE_REGNO_P): Use IN_RANGE.
1939 (MMX_REGNO_P): Use IN_RANGE.
1940 (STACK_REGNO_P): New macro.
1941 (STACK_REG_P): Use STACK_REGNO_P.
1942 (NON_STACK_REG_P): Use STACK_REGNO_P.
1943 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1944 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1945 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1946 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1947 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1949 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1951 * except.h (output_function_exception_table): Add 'const char*' param.
1952 * except.c (switch_to_exception_section): Add 'const char*' param.
1953 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1954 and flag_function_sections is set, use a function-specific section.
1955 (output_function_exception_table): Add 'const char*' param.
1956 Adjust call to switch_to_exception_section.
1957 * final.c (rest_of_handle_final): Adjust calls to
1958 output_function_exception_table.
1959 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1960 * config.in: Regenerate.
1961 * configure: Likewise.
1963 2006-10-28 Richard Guenther <rguenther@suse.de>
1966 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1967 for maybe_canonicalize_comparison.
1968 (maybe_canonicalize_comparison): New function for canonicalizing
1970 (fold_comparison): Call it to canonicalize comparisons with
1973 2006-10-28 Richard Guenther <rguenther@suse.de>
1976 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1977 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1978 (expand_builtin): Adjust likewise.
1979 * genopinit.c (optabs[]): Add lround optab.
1980 * optabs.c (init_optabs): Initialize lround_optab.
1981 * optabs.h (enum convert_optab_index): Add COI_lround.
1982 (lround_optab): Define.
1983 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1984 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1986 (ix86_expand_lround): New function.
1987 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1989 * doc/md.texi (lroundMN2): Document.
1991 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1994 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1995 argument to HOST_WIDE_INT. Update function prototype.
1996 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1997 "size" argument to HOST_WIDE_INT. Update function prototype.
1999 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2001 * config/i386/i386.c (output_387_ffreep): Create output from a
2002 template string for !HAVE_AS_IX86_FFREEP.
2004 2006-10-27 Eric Christopher <echristo@apple.com>
2006 * config/darwin.c: Fix formatting and grammar.
2008 2006-10-27 Jan Hubicka <jh@suse.cz>
2010 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2011 to be thrown away soon when IGNORE is set.
2012 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2013 indicating when return value shall not be computed.
2014 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2016 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2018 * config/i386/i386.h (TARGET_GEODE):
2019 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2020 (TARGET_CPU_DEFAULT_geode): New macro.
2021 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2022 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2023 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2024 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2025 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2027 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2028 (processor_type): Add PROCESSOR_GEODE.
2030 * config/i386/i386.md: Include geode.md.
2033 * config/i386/i386.c (geode_cost): New initialized global
2035 (m_GEODE, m_K6_GEODE): New macros.
2036 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2037 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2038 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2039 x86_schedule): Use m_K6_GEODE instead of m_K6.
2040 (x86_movx, x86_cmove): Set up m_GEODE.
2041 (x86_integer_DFmode_moves): Clear m_GEODE.
2042 (processor_target_table): Add entry for geode.
2043 (processor_alias_table): Ditto.
2045 * config/i386/geode.md: New file.
2047 * doc/invoke.texi: Add entry about geode processor.
2049 2006-10-27 Mike Stump <mrs@apple.com>
2051 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2052 __DYNAMIC__ from here back to ...
2053 * config/darwin.h (CPP_SPEC): ... here.
2055 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2056 Nathan Sidwell <nathan@codesourcery.com>
2058 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2059 when choosing the minimum heapsize.
2061 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2063 * gcc/unwind-dw2.h: Move cfa-related variables into
2064 struct frame_state_reg_info to ensure that the CFA is properly
2065 handled when executing DW_CFA_{remember,restore}_state.
2066 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2067 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2068 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2069 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2070 gcc/config/rs6000/linux-unwind.h,
2071 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2072 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2073 Modify to use new cfa_* fields.
2075 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2077 * config/s390/s390.c (s390_init_frame_layout): Check positive
2080 2006-10-26 Ben Elliston <bje@au.ibm.com>
2082 * gimplify.c (get_name): Remove extraneous break.
2083 (gimplify_omp_for): Initialise ret with GS_OK.
2085 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2087 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2088 Add unix98.o to link line.
2090 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2093 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2094 Calculate compile-time constants using MPFR.
2095 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2096 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2098 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2100 * config/xtensa/lib2funcs.S: Use C-style comments.
2102 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2104 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2105 (file_table_relative_p): Likewise.
2106 (dwarf2out_finish): Likewise.
2107 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2109 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2111 * tree-ssa-structalias.c (intra_create_variable_infos):
2112 Don't recreate nonlocal_all if it already exists.
2114 2006-10-25 Richard Guenther <rguenther@suse.de>
2117 * optabs.h (enum optab_index): Remove OTI_lrint.
2118 (enum convert_optab_index): Add COI_lrint.
2119 (lrint_optab): Adjust.
2120 (expand_sfix_optab): Declare.
2121 * optabs.c (expand_sfix_optab): New function.
2122 (init_optabs): Init lrint_optab as conversion optab.
2123 * genopinit.c (lrint_optab): Change to a conversion optab.
2124 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2125 expansion via conversion optab.
2126 * config/i386/i386.md (*fistdi2_1): Remove
2127 flag_unsafe_math_optimizations guard.
2128 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2129 fist<mode>2_with_temp): Likewise.
2130 (lrint<mode>2): Split into...
2131 (lrintxf<mode>2): ... x87 part
2132 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2133 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2134 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2135 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2136 * doc/md.texi (lrintMN2): Document.
2138 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2141 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2142 Use inc and dec instructions for TARGET_USE_INCDEC.
2143 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2144 ("sync_double_compare_and_swap<mode>"): Likewise.
2145 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2146 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2147 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2148 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2149 ("sync_old_add<mode>"): Likewise.
2150 ("sync_lock_test_and_set<mode>"): Likewise.
2151 ("sync_lock_test_and_set<mode>"): Likewise.
2152 ("sync_add<mode>"): Likewise.
2153 ("sync_sub<mode>"): Likewise.
2154 ("sync_ior<mode>"): Likewise.
2155 ("sync_and<mode>"): Likewise.
2156 ("sync_xor<mode>"): Likewise.
2158 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2160 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2161 (remainder_optab): Define corresponding macro.
2162 (drem_optab): Remove.
2163 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2164 drem_optab initialization.
2165 * genopinit.c (optabs): Implement remainder_optab using
2166 remainder?f3 patterns. Remove drem_optab.
2167 * builtins.c (expand_builtin_mathfn_2): Handle
2168 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2169 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2170 expand_builtin_mathfn_2.
2172 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2173 depend on flag_unsafe_math_optimizations.
2175 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2176 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2177 Do not depend on flag_unsafe_math_optimizations. Use
2178 truncxf?f expander instead of truncxf?f_i387_noop.
2180 ("fpremxf4", "fprem1xf4"): Do not depend on
2181 flag_unsafe_math_optimizations.
2182 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2183 flag_unsafe_math_optimizations. Use truncxf?f expander
2184 instead of truncxf?f_i387_noop.
2186 * doc/md.texi (fmod, remainder): Document standard named pattern.
2188 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2189 David Daney <ddaney@avtrex.com>
2192 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2194 2006-10-25 Ben Elliston <bje@au.ibm.com>
2196 * doc/extend.texi (Variable Attributes): Typo fix.
2198 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2200 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2201 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2202 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2203 (FRAME_POINTER_REGNUM): Update register number to 21.
2204 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2205 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2207 * config/i386/i386.c (regclass_map): Add fpcr entry.
2208 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2210 (print_reg): Assert REGNO (x) != FPCR_REG.
2212 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2213 (DIRFLAG_REG): Renumber.
2214 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2215 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2216 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2217 hardcoded SSE register numbers.
2219 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2220 hardcoded MMX register numbers.
2222 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2225 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2226 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2228 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2229 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2230 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2231 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2233 2006-10-24 Richard Guenther <rguenther@suse.de>
2236 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2237 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2238 for deciding optimizations in consistency with fold-const.c
2239 (fold_builtin_unordered_cmp): Likewise.
2241 2006-10-24 Richard Guenther <rguenther@suse.de>
2243 * builtins.c (fold_builtin_floor): Fold floor (x) where
2244 x is nonnegative to trunc (x).
2245 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2246 nonnegative to FIX_TRUNC_EXPR.
2248 2006-10-24 Richard Guenther <rguenther@suse.de>
2250 PR tree-optimization/29567
2251 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2252 for TRUTH_NOT_EXPR. Clarify comments.
2254 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2257 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2258 at compile-time using MPFR. Change parameter VALUE to FUNC,
2260 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2261 for overflow and underflow at all times and avoid folding in
2264 2006-10-24 Ben Elliston <bje@au.ibm.com>
2266 * reload1.c: Formatting fixes.
2268 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2270 PR tree-optimization/14784
2271 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2272 * tree-ssa-structalias.c (get_constraint_for,
2273 intra_create_variable_infos): Set is_heapvar.
2274 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2275 non-heapvar pointer variables specially.
2277 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2281 fold_builtin_tan): Fold all constant arguments. Take a "type"
2282 argument as necessary.
2283 (do_mpfr_arg1): New.
2284 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2286 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2288 * config/xtensa/lib1funcs.asm: Use C-style comments.
2290 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2292 * tree.c (local_define_builtin): Replace calls to
2293 lang_hooks.builtin_function with add_builtin_function.
2294 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2296 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2298 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2299 common code to add_builtin_function.
2300 * langhooks.c (add_builtin_function): New function.
2301 (lhd_builtin_function): New function.
2302 * langhooks.h (struct lang_hooks): Change the signature of
2304 (add_builtin_function): New function.
2305 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2306 calls to lang_hooks.builtin_function with add_builtin_function.
2307 * c-common.c (decl_builtin_1): Replace calls to
2308 lang_hooks.builtin_function with add_builtin_function.
2309 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2310 lang_hooks.builtin_function with add_builtin_function.
2311 * config/frv/frv.c (def_builtin): Replace calls to
2312 lang_hooks.builtin_function with add_builtin_function.
2313 * config/s390/s390.c (s390_init_builtins): Replace calls to
2314 lang_hooks.builtin_function with add_builtin_function.
2315 * config/sparc/sparc.c (def_builtin): Replace calls to
2316 lang_hooks.builtin_function with add_builtin_function.
2317 * config/i386/i386.c (def_builtin): Replace calls to
2318 lang_hooks.builtin_function with add_builtin_function.
2319 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2320 lang_hooks.builtin_function with add_builtin_function.
2321 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2322 lang_hooks.builtin_function with add_builtin_function.
2323 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2324 Replace calls to lang_hooks.builtin_function with
2325 add_builtin_function.
2326 * config/iq2000/iq2000.c (def_builtin):
2327 Replace calls to lang_hooks.builtin_function with
2328 add_builtin_function.
2329 * config/ia64/ia64.c (def_builtin): Replace calls to
2330 lang_hooks.builtin_function with add_builtin_function.
2331 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2332 lang_hooks.builtin_function with add_builtin_function.
2333 (altivec_init_builtins): Replace calls to
2334 lang_hooks.builtin_function with add_builtin_function.
2335 * config/arm/arm.c (def_mbuiltin): Replace calls to
2336 lang_hooks.builtin_function with add_builtin_function.
2337 (arm_init_tls_builtins): Replace calls to
2338 lang_hooks.builtin_function with add_builtin_function.
2339 * config/mips/mips.c (mips_init_builtins): Replace calls to
2340 lang_hooks.builtin_function with add_builtin_function.
2341 * config/bfin/bfin.c (def_builtin): Replace calls to
2342 lang_hooks.builtin_function with add_builtin_function.
2343 * langhooks-def.h (lhd_builtin_function): New function.
2344 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2346 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2348 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2349 BUILT_IN_STRNCAT_CHK.
2351 2006-10-23 Jan Hubicka <jh@suse.cz>
2353 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2354 don't do conversion from memmove to memcpy here.
2355 (expand_builtin_bcopy, expand_builtin): Update call of
2356 expand_builtin_memmove.
2357 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2359 2006-10-23 Paul Brook <paul@codesourcery.com>
2361 * stor-layout.c (start_record_layout): maximum_field_alignment
2362 overrides STRUCTURE_SIZE_BOUNDARY.
2364 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2366 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2367 nonlocal function symbols if flag_pic.
2369 2006-10-23 Richard Guenther <rguenther@suse.de>
2373 * builtins.c (fold_binary): Remove checks for flag_wrapv
2374 and flag_trapv where negate_expr_p covers these cases.
2376 2006-10-23 Richard Guenther <rguenther@suse.de>
2379 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2380 of two on the absolute value.
2381 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2382 and negating -C does not overflow.
2384 2006-10-23 Richard Guenther <rguenther@suse.de>
2387 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2388 only if not flag_rounding_math.
2390 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2391 Kaz Kojima <kkojima@gcc.gnu.org>
2394 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2395 SImode memory reference for the source of a movua.
2396 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2397 (movua): Use an unspec instead of sign_extract. Expect the source
2398 to have mode BLKmode.
2399 (extv, insv): Use a BLKmode rather than SImode memory reference
2400 for the source of a movua.
2402 2006-10-22 Jeff Law <law@redhat.com>
2403 Richard Guenther <rguenther@suse.de>
2405 PR tree-optimization/15911
2406 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2407 (register_edge_assert_for_1): Likewise.
2408 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2409 (find_conditional_asserts): Adjust for new function signature.
2410 (find_assert_locations): Likewise.
2412 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2414 * config/i386/tmmintrin.h: Remove the duplicated content.
2416 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2418 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2419 (x86_64-*-*): Likewise.
2421 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2422 (override_options): Check SSSE3.
2423 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2424 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2425 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2426 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2427 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2428 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2429 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2430 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2431 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2432 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2433 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2434 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2435 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2436 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2437 IX86_BUILTIN_PABSD128.
2438 (bdesc_2arg): Add SSSE3.
2439 (bdesc_1arg): Likewise.
2440 (ix86_init_mmx_sse_builtins): Support SSSE3.
2441 (ix86_expand_builtin): Likewise.
2442 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2444 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2445 (UNSPEC_PSIGN): Likewise.
2446 (UNSPEC_PALIGNR): Likewise.
2447 Include mmx.md before sse.md.
2449 * config/i386/i386.opt: Add -mssse3.
2451 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2452 (ssse3_phaddwv4hi3): Likewise.
2453 (ssse3_phadddv4si3): Likewise.
2454 (ssse3_phadddv2si3): Likewise.
2455 (ssse3_phaddswv8hi3): Likewise.
2456 (ssse3_phaddswv4hi3): Likewise.
2457 (ssse3_phsubwv8hi3): Likewise.
2458 (ssse3_phsubwv4hi3): Likewise.
2459 (ssse3_phsubdv4si3): Likewise.
2460 (ssse3_phsubdv2si3): Likewise.
2461 (ssse3_phsubswv8hi3): Likewise.
2462 (ssse3_phsubswv4hi3): Likewise.
2463 (ssse3_pmaddubswv8hi3): Likewise.
2464 (ssse3_pmaddubswv4hi3): Likewise.
2465 (ssse3_pmulhrswv8hi3): Likewise.
2466 (ssse3_pmulhrswv4hi3): Likewise.
2467 (ssse3_pshufbv16qi3): Likewise.
2468 (ssse3_pshufbv8qi3): Likewise.
2469 (ssse3_psign<mode>3): Likewise.
2470 (ssse3_psign<mode>3): Likewise.
2471 (ssse3_palignrti): Likewise.
2472 (ssse3_palignrdi): Likewise.
2473 (abs<mode>2): Likewise.
2474 (abs<mode>2): Likewise.
2476 * config/i386/tmmintrin.h: New file.
2478 * doc/extend.texi: Document SSSE3 built-in functions.
2480 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2482 2006-10-22 Ira Rosen <irar@il.ibm.com>
2484 * tree-vect-transform.c (vectorizable_load): Use the type of the
2485 return value of the mask_for_load builtin to create realign_load
2488 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2490 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2493 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2495 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2496 (UNSPEC_LDDQU): This.
2497 * config/i386/sse.md (sse3_lddqu): Updated.
2499 2006-10-21 Richard Guenther <rguenther@suse.de>
2501 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2502 (expand_builtin): Use it to expand lrint instead of
2503 expand_builtin_mathfn.
2505 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2508 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2509 flag_unsafe_math_optimizations is set.
2511 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2514 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2515 patterns to use memory input operand in x87->mem->XMM
2516 reload sequences. Skip transformation for TARGET_K8.
2518 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2520 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2521 force operand1 to register if both operands are memory operands.
2522 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2523 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2524 if both operands are memory operands.
2525 (truncdfsf2): Do not force operand1 to register if both operands
2526 are memory operands.
2528 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2530 * Makefile.in (LIBS): Add $(GMPLIBS).
2531 * doc/install.texi: Update GMP and MPFR requirements.
2532 * doc/sourcebuild.texi (need_gmp): Delete.
2534 2006-10-21 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/3511
2537 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2538 got new invariant arguments during PHI translation.
2540 2006-10-21 Richard Guenther <rguenther@suse.de>
2543 * fold-const.c (fold_comparison): Fold signed comparisons
2544 of the form X +- C1 CMP Y +- C2.
2546 2006-10-21 Richard Guenther <rguenther@suse.de>
2549 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2550 if flag_unsafe_math_optimizations is specified. We have
2551 flag_finite_math_only for that.
2552 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2553 or flag_unsafe_math_optimizations.
2555 2006-10-21 Richard Guenther <rguenther@suse.de>
2557 * builtins.c (fold_builtin_classify): Fix typo.
2559 2006-10-21 Richard Guenther <rguenther@suse.de>
2562 * simplify-rtx.c (simplify_const_relational_operation):
2563 Do not constant-fold ORDERED and UNORDERED for
2564 flag_unsafe_math_optimizations but only we do not need to
2565 honor NaNs for the given mode.
2567 2006-10-21 Richard Guenther <rguenther@suse.de>
2570 * config/i386/i386.c (classify_argument): Remove redundant
2571 walking of the BINFOs.
2572 (contains_128bit_aligned_vector_p): Likewise.
2574 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2576 * BASE-VER: Set to 4.3.0.
2578 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2580 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2581 (tree_decl_with_vis): Remove artificial_pta_var flag.
2582 * tree-flow.h (referenced_var_check_and_insert): Expose.
2583 (nonlocal_all): New prototype.
2584 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2585 (nonlocal_all): Make global.
2586 (nonlocal_lookup): Remove.
2587 (nonlocal_insert): Ditto.
2588 (create_nonlocal_var): Do not call nonlocal_insert.
2589 (get_nonlocal_id_for_type): Remove.
2590 (find_global_initializers): Mark new vars we find for renaming.
2591 (intra_create_variable_infos): Only create one nonlocal.
2592 (expand_nonlocal_solutions): Remove.
2593 (compute_points_to_sets): Don't call it.
2594 (ipa_pta_execute): Ditto.
2595 (init_alias_heapvars): Don't create nonlocal_for_type.
2596 (delete_alias_heapvars): Don't remove it.
2597 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2600 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2602 * doc/install.texi (Downloading GCC): Clarify mention of
2603 Fortran in the "full distribution" description.
2605 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2607 Fix PR tree-optimization/28778
2608 Fix PR tree-optimization/29156
2609 Fix PR tree-optimization/29415
2610 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2611 (tree_decl_with_vis): Add artificial_pta_var flag.
2612 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2613 pushed into callers.
2614 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2615 (nonlocal_all): Ditto.
2616 (struct variable_info): Add directly_dereferenced member.
2617 (var_escaped_vars): New variable.
2618 (escaped_vars_tree): Ditto.
2619 (escaped_vars_id): Ditto.
2620 (nonlocal_vars_id): Ditto.
2621 (new_var_info): Set directly_dereferenced.
2622 (graph_size): New variable
2623 (build_constraint_graph): Use graph_size.
2624 (solve_graph): Don't process constraints that cannot change the
2625 solution, don't try to propagate an empty solution to our
2627 (process_constraint): Set directly_dereferenced.
2628 (could_have_pointers): New function.
2629 (get_constraint_for_component_ref): Don't process STRING_CST.
2630 (nonlocal_lookup): New function.
2631 (nonlocal_insert): Ditto.
2632 (create_nonlocal_var): Ditto.
2633 (get_nonlocal_id_for_type): Ditto.
2634 (get_constraint_for): Allow results vector to be empty in the case
2635 of string constants.
2636 Handle results of calls properly.
2637 (update_alias_info): Update alias info stats on number and type of
2639 (find_func_aliases): Use could_have_pointers.
2640 (make_constraint_from_escaped): Renamed from
2641 make_constraint_to_anything, and changed to make constraints from
2643 (make_constraint_to_escaped): New function.
2644 (find_global_initializers): Ditto.
2645 (create_variable_info_for): Make constraint from escaped to any
2646 global variable, and from any global variable to the set of
2648 (intra_create_variable_infos): Deal with escaped instead of
2649 pointing to anything.
2650 (set_uids_in_ptset): Do type pruning on directly dereferenced
2652 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2653 (init_base_vars): Fix comment, and initialize escaped_vars.
2654 (need_to_solve): Removed.
2655 (find_escape_constraints): New function.
2656 (expand_nonlocal_solutions): Ditto.
2657 (compute_points_to_sets): Call find_escape_constraints and
2658 expand_nonlocal_solutions.
2659 (delete_points_to_sets): Don't fall off the end of the graph.
2660 (init_alias_heapvars): Initialize nonlocal_for_type and
2662 (delete_alias_heapvars): Free nonlocal_for_type and null out
2665 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2667 * fold-const.c (add_double): Rename to add_double_with_sign.
2668 Add 'unsigned_p' parameter and take it into account for the overflow.
2669 (mul_double): Rename to mul_double_with_sign.
2670 Add 'unsigned_p' parameter and take it into account for the overflow.
2671 (fold_div_compare): Call add_double_with_sign instead of add_double
2672 and mul_double_with_sign instead of mul_double, passing them the
2673 unsignedness of the type.
2674 * tree.h (add_double): Macroize.
2675 (add_double_with_sign): New prototype.
2676 (mul_double): Macroize.
2677 (mul_double_with_sign): New prototype.
2679 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2681 * config/score/crti.asm: New file.
2682 * config/score/crtn.asm: New file.
2683 * config/score/elf.h: New file.
2684 * config/score/mac.md: New file.
2685 * config/score/misc.md: New file.
2686 * config/score/mul-div.S: New file.
2687 * config/score/predicates.md: New file.
2688 * config/score/score7.md: New file.
2689 * config/score/score.c: New file.
2690 * config/score/score-conv.h: New file.
2691 * config/score/score.h: New file.
2692 * config/score/score.md: New file.
2693 * config/score/score-mdaux.c: New file.
2694 * config/score/score-mdaux.h: New file.
2695 * config/score/score-modes.def: New file.
2696 * config/score/score.opt: New file.
2697 * config/score/score-protos.h: New file.
2698 * config/score/score-version.h: New file.
2699 * config/score/t-score-elf: New file.
2700 * config.gcc: Add score*-*-* configurations(Update before).
2701 * doc/invoke.texi (Score Options): New section.
2702 * doc/md.texi (Score family): New section to document constraints.
2704 2006-10-19 Nick Clifton <nickc@redhat.com>
2706 * config/arm/arm.c: Fix spelling typo.
2708 2006-10-18 Tom Tromey <tromey@redhat.com>
2710 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2712 2006-10-18 Jan Hubicka <jh@suse.cz>
2715 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2718 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2720 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2721 TSI_SAME_STMT, since that's the desired entity.
2723 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2725 * config/s390/contraints.md: New file.
2726 * config/s390/s390-protos.h (s390_mem_constraint,
2727 s390_O_constraint_str, s390_N_constraint_str,
2728 s390_float_const_zero_p): Function prototypes added.
2729 * config/s390/s390.c (s390_extra_constraint_str,
2730 s390_const_double_ok_for_constraint_p,
2731 s390_const_ok_for_constraint_p): Functions removed.
2732 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2733 s390_float_const_zero_p): New functions.
2734 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2735 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2736 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2737 Macro definitions removed.
2738 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2739 s390_extra_constraint_str): Functions removed.
2741 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2742 Richard Sandiford <richard@codesourcery.com>
2745 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2746 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2748 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2750 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2751 (DWARF2_FRAME_REG_OUT): Likewise.
2752 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2753 (DWARF2_FRAME_REG_OUT): Likewise.
2755 2006-10-17 Paul Brook <paul@codesourcery.com>
2757 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2759 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2761 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2762 Standardize on "GNU Fortran" as the official name of the Fortran
2765 2006-10-16 Mike Stump <mrs@apple.com>
2767 * doc/invoke.texi (Darwin Options): Document -mkernel.
2768 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2770 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2771 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2772 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2773 (OS_MISSING_ALTIVEC): Add.
2774 * config/i386/i386.c (override_options): Add
2775 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2776 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2777 -mkernel, -static or -mdynamic-no-pic is given.
2778 (C_COMMON_OVERRIDE_OPTIONS): Add.
2779 * config/darwin.opt (fapple-kext): Add.
2781 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2782 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2784 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2785 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2786 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2787 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2788 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2789 (flag_mkernel): Add.
2790 (flag_apple_kext): Add.
2791 (TARGET_KEXTABI): Add.
2792 * config/darwin.c (darwin_handle_kext_attribute): Add.
2793 (DARWIN_VTABLE_P): Add.
2794 (darwin_binds_local_p): Add partial support for rebinding vtables
2796 (darwin_kextabi_p): Add.
2797 (darwin_override_options): Add.
2798 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2799 (darwin_kextabi_p): Add.
2800 (darwin_override_options): Add.
2801 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2802 __DYNAMIC__ and __STATIC__ here.
2804 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2806 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2807 Added mention of "make pdf" target, and Texinfo requirements for
2810 2006-10-16 DJ Delorie <dj@redhat.com>
2812 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2813 into the GOT in case we need a subreg of the address.
2815 2006-10-16 Richard Guenther <rguenther@suse.de>
2818 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2819 SSE builtin documentation. Document SSE2 builtins.
2821 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2823 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2824 symbol in the output file for non-shared links when -nostdlib or
2825 -nodefaultlibs isn't specified.
2827 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2828 posix thread support.
2830 2006-10-15 Jan Hubicka <jh@suse.cz>
2833 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2834 declared always_inline even when not inlining.
2836 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2837 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2838 Andrew Pinski <pinskia@gmail.com>
2841 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2843 2006-10-15 Jan Hubicka <jh@suse.cz>
2844 Richard Guenther <rguenther@suse.de>
2847 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2848 process_function_and_variable_attributes on all variables, including
2849 those discovered during cgraph construction phase.
2851 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2853 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2855 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2857 * config/i386/athlon.md (athlon_fist): Add fisttp.
2859 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2860 Ian Lance Taylor <ian@airs.com>
2863 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2864 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2867 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2869 * config/score/score.c, config/score/score.h: Fix comment
2872 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2878 2006-10-13 Eric Christopher <echristo@apple.com>
2880 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2882 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2885 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2886 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2887 alignment supported by 32-bit ELF.
2889 2006-10-13 Eric Christopher <echristo@apple.com>
2891 * config/darwin.c (darwin_emit_unwind_label): Strip
2892 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2894 2006-10-13 Richard Guenther <rguenther@suse.de>
2896 PR tree-optimization/29446
2897 * tree-vrp.c (fix_equivalence_set): Remove.
2898 (extract_range_from_assert): Do not call fix_equivalence_set.
2899 (debug_value_range): Print a newline.
2900 (compare_name_with_value): For equivalence sets with
2901 inconsistent value ranges conservatively bail out.
2902 (compare_names): Likewise.
2904 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2906 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2907 and MPFR for gfortran.
2909 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2911 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2912 alignment supported by 32-bit ELF.
2914 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2918 * c-typeck.c (digest_init): Always allow initializing vectors
2919 that have static storage duration with compound literals.
2920 * tree.c (build_type_attribute_qual_variant): New, based on
2921 build_type_attribute_variant.
2922 (build_type_attribute_variant): Rewrite using the former.
2923 (make_vector_type): Use build_type_attribute_qual_variant to build
2924 type variants. Use type_hash_canon on the others.
2926 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2927 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2929 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2931 2006-10-12 Jan Hubicka <jh@suse.cz>
2934 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2935 current_function_decl is set but current_function_scope is not.
2937 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2939 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2940 emit_insn to emit eh_return_internal instruction.
2941 (eh_return_internal): Explicitly set pc.
2943 2006-10-11 Richard Guenther <rguenther@suse.de>
2945 PR tree-optimization/28230
2946 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2947 to the correct place.
2949 2006-10-11 Richard Guenther <rguenther@suse.de>
2952 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2955 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2957 * configure.ac: Added pdf to "Make-hooks"
2958 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2959 targets and *.pdf file patterns in cleanup targets.
2960 * configure: Regenerated.
2962 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2964 * config/avr/predicates.md: New file.
2965 * config/avr/avr.md: Include it.
2966 (REG_SP): New constant.
2967 (peepholes): Use predicates.
2968 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2969 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2970 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2972 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2974 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2977 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2980 * builtins.c (var_decl_component_p): New function.
2981 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2982 single entry optimization to variables and components thereof.
2984 2006-10-10 Richard Guenther <rguenther@suse.de>
2986 PR rtl-optimization/29323
2987 * except.c (set_nothrow_function_flags): For functions
2988 that do not bind local bail out early.
2990 2006-10-10 Ben Elliston <bje@au.ibm.com>
2992 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2995 2006-10-09 Richard Henderson <rth@redhat.com>
2997 Revert emutls patch.
2999 2006-10-09 Richard Guenther <rguenther@suse.de>
3002 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3005 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3008 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3009 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3010 * configure: Regenerate.
3011 * config.in: Regenerate.
3013 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3015 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3017 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3019 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3020 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3021 Remove stray newline.
3023 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3025 * config/mips/mips.c (mips_classify_symbol): Do not return
3026 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3027 (mips_in_small_data_p): Tweak comments.
3029 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3031 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3033 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3035 * gimplify.c, sched-int.h: Fix comment typos.
3037 * sched-int.h: Fix comment typos.
3039 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3041 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3043 * sched-ebb.c (begin_schedule_ready): Use them.
3044 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3045 add_to_speculative_block, create_check_block_twin, speculate_insn,
3046 fix_jump_move, move_block_after_check): Ditto.
3047 * sched-rgn.c (new_ready): Ditto.
3049 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3051 PR rtl-optimization/29128
3052 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3053 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3054 allow interblock movement of speculation checks.
3056 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3059 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3060 casted to integer type.
3061 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3062 if they are significantly more expensive than [reg + index] ones.
3064 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3066 PR tree-optimization/29330
3067 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3068 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3069 on newly allocated ddrs.
3070 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3071 to VEC (loop_p, heap) pointer.
3072 (compute_data_dependences_for_loop): Adjust caller.
3073 (free_dependence_relations): Free DDR_LOOP_NEST.
3075 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3076 free DEPENDENCE_RELATIONS and DATAREFS.
3079 * builtins.c (expand_builtin_sync_operation,
3080 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3081 Use convert_to_mode to handle promoted arguments.
3083 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3085 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3087 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3089 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3091 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3093 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3094 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3095 Use <modeconstraint> instead of "r" as operand 1 constraint.
3097 2006-10-06 Olivier Hainque <hainque@adacore.com>
3099 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3100 Don't recurse on the pointed-to type.
3101 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3102 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3103 types with components of variable size.
3105 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3107 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3109 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3111 PR tree-optimization/29290
3112 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3116 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3117 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3120 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3121 the number of vector elements fill the rest with zeros.
3123 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3125 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3126 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3129 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3131 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3132 unnamed pattern into subsi3. Use correct constraints/predicates.
3133 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3134 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3136 2006-10-05 Ira Rosen <irar@il.ibm.com>
3138 * doc/loop.texi: Add data references analysis description.
3140 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3142 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3144 2006-10-04 Richard Henderson <rth@redhat.com>
3145 Jakub Jelinek <jakub@redhat.com>
3147 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3148 * builtin-types.def (BT_WORD): Make unsigned.
3149 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3150 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3151 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3152 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3153 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3154 * cgraph.c (decide_is_variable_needed): Look at force_output.
3155 Recurse for emulated tls.
3156 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3157 checks redundant with decide_is_variable_needed.
3158 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3159 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3161 * expr.c (emutls_var_address): New.
3162 (expand_expr_real_1): Expand emulated tls.
3163 (expand_expr_addr_expr_1): Likewise.
3164 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3165 * output.h (emutls_finish): Declare.
3166 * toplev.c (compile_file): Call it.
3167 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3168 address before wrapping in CONST.
3169 * varasm.c (emutls_htab, emutls_object_type): New.
3170 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3171 (get_emutls_object_name, get_emutls_object_type): New.
3172 (get_emutls_init_templ_addr, emutls_decl): New.
3173 (emutls_common_1, emutls_finish): New.
3174 (assemble_variable): When emulating tls, swap decls; generate
3175 constructor for the emutls objects.
3176 (do_assemble_alias): When emulating tls, swap decl and target name.
3177 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3179 * emutls.c: New file.
3180 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3181 tls_object for real tls.
3183 2006-10-04 Zack Weinberg <zackw@panix.com>
3185 Fix bug in constraint-check generator, reported by Rask Ingemann
3187 * genpreds.c (add_constraint): Don't remove anything from the
3189 (write_tm_constrs_h): Detect whether "op" argument is used, and
3190 mark it ARG_UNUSED if it isn't.
3191 (write_insn_const_int_ok_for_constraint): Skip the part of the
3192 expression that would test whether "op" (which is not available
3193 here) is a CONST_INT.
3195 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3198 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3200 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3202 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3203 current Leopard versions.
3204 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3206 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3208 * doc/install.texi: Fix typos.
3210 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3212 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3213 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3214 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3216 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3218 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3219 arg to be struct mach_header_64* instead.
3221 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3224 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3225 side effects after the outer expression's post side effects.
3227 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3229 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3230 comments to reflect actual behavior and relationship between
3231 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3233 * doc/c-tree.texi (Working with declarations): Fix documentation
3234 of FIELD_DECL likewise.
3236 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3239 * doc/extend.texi: Add used variable attribute description.
3241 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3244 * c.opt (Woverride-init): New.
3245 * c-opts.c (c_common_post_options): Default warn_override_init to
3247 * c-typeck.c (add_pending_init, output_init_element): Warn for
3248 overriding initializers without side effects.
3249 * doc/invoke.texi (-Woverride-init): Document.
3252 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3254 PR rtl-optimization/28096
3255 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3256 assignment has already been used as a destination earlier in the block.
3258 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3260 * builtins.c (expand_builtin_setjmp): Delete.
3261 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3262 <BUILT_IN_SETJMP_SETUP>: New case.
3263 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3264 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3265 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3266 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3267 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3268 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3269 (lower_function_body): Initialize it to false. If it is set to true
3270 at the end of the processing, emit the setjmp dispatcher.
3271 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3272 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3273 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3274 on the rhs of the assignment.
3275 (lower_builtin_setjmp): New function.
3276 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3277 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3278 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3279 to detect calls that can go to non-local labels. Use specific
3280 helper to create the abnormal edges associated with them.
3281 <MODIFY_EXPR>: Likewise.
3282 (make_abnormal_goto_edges): New function extracted from...
3283 (make_goto_expr_edges): ...here. Call it for computed gotos.
3284 (simple_goto_p): Minor tweak.
3285 (tree_can_make_abnormal_goto): New predicate.
3286 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3287 (tree_purge_dead_abnormal_call_edges): New function.
3288 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3289 (tree_purge_dead_abnormal_call_edges): Likewise.
3290 (make_abnormal_goto_edges): Likewise.
3291 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3292 Purge all dead abnormal edges if the call was in the last statement.
3293 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3294 (execute_fixup_cfg): If there are non-local labels in the function,
3295 scan the basic blocks and split them at calls that can go to non-local
3296 labels or add missing abnormal call edges. Write down the CFG in the
3298 (pass_fixup_cfg): Remove TODO_dump_func flag.
3299 * unwind-sjlj.c: Poison setjmp.
3300 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3301 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3302 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3303 (DONT_USE_BUILTIN_SETJMP): Document it.
3305 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3308 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3309 to 1 when __ppc64__ is defined.
3310 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3312 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3314 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3316 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3317 * config/ia64/unwind-hpux.c: Delete.
3319 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3321 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3322 on the element before gimplifying it, instead of punting if it is of
3325 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3327 * doc/loop.texi: New file.
3328 * doc/gccint.texi: Reference loop.texi.
3329 * Makefile.in (loop.texi): Add.
3331 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3333 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3335 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3336 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3338 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3340 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3342 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3344 * doc/install.texi: Document required versions of GMP and MPFR.
3346 2006-09-27 Paul Brook <paul@codesourcery.com>
3349 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3351 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3353 * reload1.c (alter_reg): Require the alignment of the stack slot to
3354 be at least reg_max_ref_width bytes.
3355 (scan_paradoxical_subregs): Record the largest width in
3358 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3362 * tree-nested.c (struct nesting_info): Added static_chain_added.
3363 (convert_call_expr): Set static_chain_added when adding static
3364 chain. Handle OMP_PARALLEL and OMP_SECTION.
3366 2006-09-25 Matthias Klose <doko@debian.org>
3368 * doc/invoke.texi: Add missing full stop.
3370 2006-09-25 Richard Henderson <rth@redhat.com>
3372 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3373 before cgraph_function_flags_ready.
3375 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3376 Adam Nemet <anemet@caviumnetworks.com>
3378 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3379 determine_common_wider_type): New functions.
3380 (get_computation_aff): Use them to simplify arithmetic between
3381 UBASE and CBASE if they are shortened from the same type.
3383 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3386 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3387 -2147483647 - 1 instead of 0x80000000.
3389 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3391 * flags.h (HONOR_NANS): Fix typo in comment.
3393 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3395 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3397 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3401 * tree.c (merge_attributes, attribute_list_contained): If both
3402 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3404 * c-typeck.c (comptypes_internal): Don't consider aggregates
3405 in different TUs as compatible if there one set of attributes is
3406 not a subset of the other type's attributes.
3407 (composite_type): Try harder not to create a new aggregate type.
3409 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3411 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3412 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3413 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3414 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3415 than replicating condition above.
3416 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3418 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3419 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3420 the linker by default.
3422 2006-09-22 Mike Stump <mrs@apple.com>
3424 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3427 2006-09-22 Richard Guenther <rguenther@suse.de>
3430 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3431 sort of stack variables stable.
3433 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3436 * explow.c (force_reg): Set REG_POINTER flag according to
3439 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3441 PR tree-optimization/28888
3442 * tree-if-conv.c (combine_blocks): Rewritten.
3443 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3444 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3446 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3448 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3451 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3453 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3455 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3457 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3459 2006-09-21 Roger Sayle <roger@eyesopen.com>
3462 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3463 dw_fde_current_label, to be the start of the function, i.e. the same
3464 value as dw_fde_begin.
3466 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3468 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3469 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3470 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3471 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3472 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3473 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3474 (abs<mode>2, neg<mode>2): Likewise.
3475 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3476 (*mips_abs_ps): New define_insn.
3478 2006-09-20 Josh Conner <jconner@apple.com>
3481 * calls.c (expand_call): Allow reuse of structure return stack
3484 2006-09-20 Paul Brook <paul@codesourcery.com>
3486 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3489 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3491 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3492 clean up terminology.
3494 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3497 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3498 with tablejumps in them.
3500 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3503 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3504 wrap it into TARGET_EXPR.
3506 2006-09-20 Eric Christopher <echristo@apple.com>
3508 * config/i386/i386.c (x86_fisttp): Remove.
3509 * config/i386/i386.h (x86_fisttp): Ditto.
3510 (TARGET_FISTTP): Ditto.
3512 2006-09-19 Eric Christopher <echristo@apple.com>
3514 * doc/tm.texi (OBJC_JBLEN): Describe.
3515 * config/i386/darwin.h (OBJC_JBLEN): Define.
3516 * config/rs6000/darwin.h: Ditto.
3518 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3520 PR rtl-optimization/21299
3521 * reload1.c (reload): Purge invalid ASMs in the final pass.
3523 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3526 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3527 pointers as legitimate constants.
3529 2006-09-19 Paul Brook <paul@codesourcery.com>
3532 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3534 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3536 PR tree-optimization/28887
3537 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3538 component parts from the reference.
3539 (gather_memory_references_ref): Record the reference without the
3540 nonaddressable component parts.
3542 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3545 * c-opts.c (c_common_handle_option): Ignore the -std options
3546 if the input language is assembly.
3548 2006-09-17 Ira Rosen <irar@il.ibm.com>
3551 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3553 (ptr_ptr_may_alias_p): Likewise.
3554 (record_record_differ_p): New function.
3555 (base_object_differ_p): Call record_record_differ_p.
3557 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3560 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3561 away for the expr argument.
3563 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3566 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3567 before using it for dumping after vectorizing loops.
3569 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3570 Jack Howarth <howarth@bromo.med.uc.edu>
3573 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3574 skip on error_mark_node.
3575 (rs6000_darwin64_record_arg_recurse): Likewise.
3577 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3579 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3580 * doc/rtl.texi: Remove related documentation.
3582 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3584 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3587 2006-09-15 Jim Wilson <wilson@specifix.com>
3589 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3590 Handle symbol offsets same as they are handled in ia64_expand_move
3593 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3595 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3596 Add forgotten parameter to the fprintf call.
3598 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3600 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3602 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3604 * doc/contrib.texi: Add my entry.
3606 2006-09-15 Nick Clifton <nickc@redhat.com>
3608 * doc/md.texi (Processor pipeline description): Fix typo in
3609 example of how to use the absence_set directive and reword the
3610 description to make it slightly easier to read.
3612 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3614 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3615 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3616 expanding the number of iterations.
3617 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3619 * cfgrtl.c (emit_insn_at_entry): New function.
3620 * rtl.h (emit_insn_at_entry): Declare it.
3621 * integrate.c (emit_initial_value_sets): Use it.
3623 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3625 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3627 (struct loop_work and related VEC declarations): Delete.
3628 (bfin_dump_loops): Print out new member bad.
3629 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3630 (bfin_scan_loop): Don't recurse.
3631 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3632 loops. No longer need to update outer loops if the current one is
3633 found bad. Move some validitiy checks to bfin_discover_loop.
3634 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3635 but changed not to check for nesting. Also changed to use the new bad
3637 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3638 time. Use bitmap based test to discover loop nesting.
3640 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3642 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3645 2006-09-14 Richard Guenther <rguenther@suse.de>
3646 Kazu Hirata <kazu@codesourcery.com>
3648 PR middle-end/28884.
3649 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3650 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3651 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3652 with TARGET_FUNCTION_VALUE.
3654 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3657 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3659 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3661 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3664 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3667 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3670 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3672 * basic_block.h (bb_has_eh_pred): Fix comment.
3674 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3676 * flow.c (calculate_global_regs_live): Invalidate eh registers
3677 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3678 (propagate_block): Handle eh registers as if they were set at basic
3680 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3682 * global.c (global_conflicts): Make eh registers to conflict with
3683 pseudos live at basic block begin.
3684 * basic_block.h (bb_has_eh_pred): New function.
3686 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3688 PR rtl-optimization/28982
3689 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3690 index of a PRE_MODIFY or POST_MODIFY address.
3691 * reload1.c (inc_for_reload): Use find_replacement on the original
3692 base and index registers.
3694 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3696 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3697 for -Os. Update __m128 alignment requirement.
3699 2006-09-13 Jan Hubicka <jh@suse.cz>
3701 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3703 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3705 PR rtl-optimization/28243
3706 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3707 the insn to which the note was originally attached.
3709 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3710 Roger Sayle <roger@eyesopen.com>
3712 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3713 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3714 on platforms that don't use dwarf for debug info.
3716 2006-09-12 Jason Merrill <jason@redhat.com>
3719 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3720 hard_frame_pointer_rtx after using it to update the frame pointer.
3722 2006-09-12 Roger Sayle <roger@eyesopen.com>
3724 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3725 (TARGET_ASM_CLOSE_PAREN): Likewise.
3726 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3727 (TARGET_ASM_CLOSE_PAREN): Likewise.
3729 2006-09-12 Roger Sayle <roger@eyesopen.com>
3732 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3733 frame information for frames larger than 512 Kbytes on Tru64 when
3734 using the native assembler.
3736 2006-09-12 Roger Sayle <roger@eyesopen.com>
3740 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3741 and symbols. Instead use the implementation from cse.c's hash_rtx.
3743 2006-09-12 Jan Hubicka <jh@suse.cz>
3745 PR rtl-optimization/28071
3746 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3747 (vect_transform_loop): Likewise.
3748 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3749 (new_loop_vec_info): Likewise.
3750 (destroy_loop_vec_info): Likewise.
3751 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3752 (create_stmt_ann): Likewise.
3753 (create_tree_ann): Rename to ...
3754 (create_tree_common_ann): ... this one; allocate only the common part
3756 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3757 (get_value_handle): Likewise.
3758 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3759 get_tree_common_ann.
3760 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3761 (vinfo_for_stmt): Use stmt annotations.
3762 * tree-flow.h (tree_ann_common_t): New type.
3763 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3764 (tree_ann, get_tree_ann, create_tree_ann): New.
3765 * tree-flow-inline.h (get_function_ann): Do more type checking.
3766 (stmt_ann): Likewise.
3767 (tree_ann): Rename to ...
3768 (tree_common_ann): ... this one; return ony common_ann
3769 (get_tree_ann): Rename to ...
3770 (tree_common_ann): This one; return only common_ann.
3771 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3774 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3776 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3777 with_cpu by default.
3779 * dwarf2out.c (dwarf_file_data): New.
3780 (enum dw_val_class): Add dw_val_class_file.
3781 (struct dw_val_struct): Add val_file.
3782 (file_table): Change to a hash table.
3783 (file_table_emitted): Delete.
3784 (file_table_last_lookup_index): Delete.
3785 (emitcount): Delete.
3786 (last_emitted_file): New.
3787 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3788 (init_file_table): Delete.
3789 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3790 (AT_addr): Add comment.
3794 (print_die): Handle dw_val_class_file.
3795 (print_dwarf_line_table): Update for new file table structure.
3796 (attr_checksum): Do checksum a filename.
3797 (same_dw_val_p, same_attr_p): Do compare a filename.
3798 (size_of_die): Handle dw_val_class_file.
3799 (value_format): Likewise.
3800 (output_die): Likewise. Also, call maybe_emit_file here.
3801 (struct file_info): Constify filenames. Make file_idx a pointer
3802 to a struct dwarf_file_data.
3803 (struct dir_info): Constify directory names. Remove 'used' field.
3804 (struct file_name_acquire_data): New.
3805 (file_name_acquire): New.
3806 (output_file_names): Modify to handle new file data structures.
3807 (add_src_coords_attributes): Use add_AT_file.
3808 (add_call_src_coords_attributes): Likewise.
3809 (dwarf2out_imported_module_or_decl): Likewise.
3810 (gen_subprogram_die): Modify for new file data structures.
3811 (gen_variable_die): Likewise.
3812 (file_table_eq): New.
3813 (file_table_hash): New.
3814 (file_table_last_lookup): New.
3815 (lookup_filename): Rewrite to handle new file data structures.
3816 (maybe_emit_file): Rewrite to handle new file data structures.
3817 (dwarf2out_source_line): Always call lookup_filename and
3819 (dwarf2out_init): Create file_table here.
3820 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3821 (file_table_relative_p): New.
3822 (dwarf2out_finish): Change detection of relative filenames
3823 to work with new file data structures. Move output_line_info call
3824 after debug_info output.
3826 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3831 * config/i386/i386.c (override_options): Always default to 16
3832 byte stack boundary.
3834 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3837 * var-tracking.c (dump_dataflow_set): Start dumping at
3839 (clobber_variable_part): Kill only the variable part in
3840 registers holding it, leaving other variables alone.
3842 2006-09-11 Josh Triplett <josh@freedesktop.org>
3844 * doc/extend.texi (Other Builtins): Actually use the macro
3845 argument in the documentation example for
3846 __builtin_types_compatible_p.
3848 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3850 PR rtl-optimization/28726
3851 * sched-deps.c (sched_analyze_reg): New function extracted from...
3852 (sched_analyze_1): ...here. Call it to analyze references to
3853 registers. Treat again writes to a stack register as writing to the
3855 (sched_analyze_2): ...and here. Call it to analyze references to
3856 registers. Treat again reads of a stack register as reading the
3859 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3860 David Edelsohn <edelsohn@gnu.org>
3863 * config/rs6000/spe.md (frob_df_di): Remove %H.
3864 (frob_di_df): Remove %H. Change evmergelo to mr.
3865 (frob_di_df_2): Remove %H. Change evldd to two loads.
3867 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3869 * doc/cpp.texi: Fix names of charset options.
3871 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3874 * config/i386/i386.c (override_options): Use 128-bit
3875 stack boundary always for 64bits.
3877 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3879 PR rtl-optimization/28636
3880 * combine.c (force_to_mode): Test for side-effects before
3881 substituting by zero.
3882 (simplify_shift_const): Likewise for zero or other constants.
3884 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3887 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3890 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3893 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3894 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3895 returned by mode_for_size, rather than the mode of src itself,
3896 to choose between 32-bit and 64-bit patterns.
3897 (mips_mem_fits_mode_p): New function.
3898 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3899 that the size of the source matches the size of the destination.
3900 (mov_<store>l, mov_<store>r): Likewise.
3902 2006-09-10 Eric Christopher <echristo@apple.com>
3904 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3907 2006-09-09 Eric Christopher <echristo@apple.com>
3910 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3913 2006-09-09 Roger Sayle <roger@eyesopen.com>
3914 Nicolas Setton <setton@adacore.com>
3916 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3918 2006-09-10 Andreas Schwab <schwab@suse.de>
3920 * config/m68k/m68k.md (bungt_rev): New pattern.
3922 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3923 Dale Johannesen <dalej@apple.com>
3926 * regclass.c (struct reg_pref): Update documentation.
3927 (regclass): Set prefclass to NO_REGS if memory is the best option.
3928 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3930 2006-09-08 Eric Christopher <echristo@apple.com>
3932 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3933 * config/t-slibgcc-darwin: Support x86_64 multilib.
3934 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3935 Return 1 for x86_64-darwin.
3936 * config/i386/t-darwin: Add m64 multilib.
3937 (LIB2_SIDITI_CONV_FUNCS): Use.
3938 (LIB2FUNCS_EXTRA): Ditto.
3939 * config/i386/darwin.h: Support x86_64.
3940 * config/i386/i386.c (override_options): Turn on flag_pic
3941 for x86_64-darwin. Disable flag_omit_pointer.
3942 (get_pc_thunk_name): Assert !TARGET_64BIT.
3943 (legitimate_address_p): Disable machopic addressing for
3945 (legitimize_pic_address): Ditto.
3946 (ix86_expand_move): Ditto.
3947 (ix86_expand_call): Ditto.
3948 (machopic_output_stub): Ditto.
3949 * config/darwin.c (machopic_select_section): Support literal16.
3950 (machopic_select_rtx_section): Ditto.
3951 * config/darwin-sections.def: Ditto.
3952 * config/darwin-64.c: New.
3954 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3957 * c-tree.h (struct c_arg_info): Add pending_sizes.
3958 * c-parser.c (c_parser_parms_declarator,
3959 c_parser_parms_list_declarator): Initialize pending_sizes.
3960 * c-decl.c (get_parm_info): Initialize pending_sizes.
3961 (get_parm_info): Set pending_sizes.
3962 (grokdeclarator): Call put_pending_sizes for parameters for
3963 function definition only.
3965 2006-09-07 Jason Merrill <jason@redhat.com>
3968 * varasm.c (output_constant): Only strip actual no-op conversions.
3971 * config/i386/i386.c (override_options): Use 128-bit
3972 stack boundary if -msse.
3974 2006-09-07 Eric Christopher <echristo@apple.com>
3976 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3978 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3981 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3983 * dwarf2out.c: Remove strange characters from comment above
3984 dwarf2out_frame_debug_expr.
3986 2006-09-07 Eric Christopher <echristo@apple.com>
3988 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3989 * config/darwin.h: ... to here.
3991 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3993 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3995 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3996 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3998 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3999 TARGET_PARTIAL_FLAG_REG_STALL.
4000 (*ashldi3_cconly_rex64): Likewise.
4001 (*ashlsi3_cmp): Likewise.
4002 (*ashlsi3_cconly): Likewise.
4003 (*ashlsi3_cmp_zext): Likewise.
4004 (*ashlhi3_cmp): Likewise.
4005 (*ashlhi3_cconly): Likewise.
4006 (*ashlqi3_cmp): Likewise.
4007 (*ashlqi3_cconly): Likewise.
4008 (*ashrdi3_cmp_rex64): Likewise.
4009 (*ashrdi3_cconly_rex64): Likewise.
4010 (*ashrsi3_cmp): Likewise.
4011 (*ashrsi3_cconly): Likewise.
4012 (*ashrsi3_cmp_zext): Likewise.
4013 (*ashrhi3_cmp): Likewise.
4014 (*ashrhi3_cconly): Likewise.
4015 (*ashrqi3_cmp): Likewise.
4016 (*ashrqi3_cconly): Likewise.
4017 (*lshrdi3_cmp_rex64): Likewise.
4018 (*lshrdi3_cconly_rex64): Likewise.
4019 (*lshrsi3_cmp): Likewise.
4020 (*lshrsi3_cconly): Likewise.
4021 (*lshrsi3_cmp_zext): Likewise.
4022 (*lshrhi3_cmp): Likewise.
4023 (*lshrhi3_cconly): Likewise.
4024 (*lshrqi2_cmp): Likewise.
4025 (*lshrqi2_cconly): Likewise.
4027 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4030 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4031 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4032 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4033 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4034 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4035 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4036 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4037 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4038 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4039 implement only CC setting effects of shift instructions.
4041 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4043 * doc/contrib.texi: Add myself.
4045 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4048 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4049 was set by the user.
4051 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4054 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4055 (divsi_inv_m1): Use them.
4056 (UNSPEC_DIV_INV_TABLE): New constant.
4058 2006-09-06 James E Wilson <wilson@specifix.com>
4061 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4062 then call count_or_remove_death_notes.
4064 2006-09-06 Jason Merrill <jason@redhat.com>
4067 * tree-inline.c (copy_result_decl_to_var): New fn.
4068 (declare_return_variable): Use it. Call declare_inline_vars here.
4069 (expand_call_inline): Not here.
4071 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4073 * doc/contrib.texi: Update my entry.
4075 2006-09-06 Nick Clifton <nickc@redhat.com>
4077 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4079 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4082 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4083 (canonicalize_induction_variables): Likewise.
4084 (tree_unroll_loops_completely): Likewise.
4085 (tree_ssa_prefetch_arrays): Likewise.
4086 (remove_empty_loops): Likewise.
4087 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4088 TODO_cleanup_cfg instead of directly calling
4089 cleanup_tree_cfg_loop.
4090 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4092 (tree_unroll_loops_completely): Likewise.
4093 (remove_empty_loops): Likewise.
4094 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4095 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4096 of tree_ssa_unswitch_loops.
4097 (tree_ssa_loop_ivcanon): Use the return value of
4098 canonicalize_induction_variables.
4099 (tree_ssa_empty_loop): Use the return value of
4101 (tree_complete_unroll): Use the return value of
4102 tree_unroll_loops_completely.
4103 (tree_ssa_loop_prefetch): Use the return value of
4104 tree_ssa_prefetch_arrays.
4105 * passes.c (execute_todo): Before Cleanup CFG, set
4106 updating_used_alone and after cleanup CFG, call
4107 recalculate_used_alone.
4109 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4112 * tree-vect-transform.c (vectorizable_condition): Move the check
4113 for the type after the check for simple condition.
4115 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4116 Kaz Kojima <kkojima@gcc.gnu.org>
4119 * mode-switching.c (optimize_mode_switching): Make the destination
4120 block of an abnormal edge have no anticipatable mode. Don't
4121 insert mode switching code at the end of the source block of
4124 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4126 PR rtl-optimization/26847
4127 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4128 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4129 (simplify_plus_minus): Count n_constants while filling ops. Replace
4130 qsort with insertion sort. Before going through the array to simplify
4131 pairs, sort it. Delay early exit until after the first sort, exiting
4132 only if no swaps occurred. Simplify pairs in reversed order, without
4133 special-casing the first iteration. Pack ops after simplifying pairs.
4135 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4137 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4138 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4139 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4140 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4142 2006-09-05 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/28900
4145 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4146 compound conditional before creating COND_EXPR condition.
4148 2006-09-05 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/28905
4151 * tree-vrp.c (fix_equivalence_set): Manually implement
4152 !value_ranges_intersect_p to also handle symbolic ranges.
4154 2006-09-05 Richard Guenther <rguenther@suse.de>
4157 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4160 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4162 PR rtl-optimization/27616
4163 * cse.c (table_size): New static variable.
4164 (new_basic_block): Initialize it to 0.
4165 (remove_from_table): Decrement it.
4166 (insert): Increment it.
4167 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4168 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4169 fold_rtx_mem_1 if under the cap.
4170 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4171 the lookup of the equivalent expression and test for equality of the
4172 first operand of the equivalent expression before in turn looking up
4173 an equivalent constant for the second operand.
4175 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4178 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4179 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4180 pointer, instead of assuming it is possible to derive the
4181 correct args size from a call insn.
4183 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4186 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4187 (fold_builtin_mempcpy): Rename to...
4188 (fold_builtin_memory_op): ... this. Optimize one element copy
4190 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4192 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4193 (expand_builtin_memcpy, expand_builtin_mempcpy,
4194 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4195 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4196 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4197 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4199 2006-09-01 DJ Delorie <dj@redhat.com>
4201 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4202 (stzx_16): Likewise.
4203 ("stzx_24_<mode>"): Likewise.
4204 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4205 ("cmp<mode>_op"): New.
4206 (cmp<mode>): Change to expander; just save operands.
4208 (b<code>): Change to expander, emit compare here.
4209 (s<code>_op): Change to use split and expander.
4210 (s<code>_24_op): Likewise.
4211 (s<code>_<mode>): New.
4212 (s<code>_<mode>_24): New.
4213 (movqicc_<code>_<mode): New.
4214 (movhicc_<code>_<mode>): New.
4217 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4218 (m32c_pend_compare): New.
4219 (m32c_unpend_compare): New.
4220 (m32c_expand_scc): New.
4221 (m32c_expand_movcc): Emit the compare also.
4222 * config/m32c/predicates.md (mra_nopp_operand): New.
4224 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4225 Richard Guenther <rguenther@suse.de>
4226 Adam Nemet <anemet@caviumnetworks.com>
4229 * builtins.c (get_pointer_alignment): Handle more forms
4230 of base addresses that can be used to derive more precise
4231 information about alignment.
4233 2006-09-01 Jason Merrill <jason@redhat.com>
4236 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4239 * gimplify.c (voidify_wrapper_expr): Handle null type.
4241 2006-09-01 Josh Conner <jconner@apple.com>
4244 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4245 (execute_return_slot_opt): Use it.
4247 2006-08-31 Josh Conner <jconner@apple.com>
4250 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4251 returning aggregates.
4253 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4255 PR tree-optimization/28839
4256 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4257 blocks in that phi arguments appear.
4259 2006-08-31 Roger Sayle <roger@eyesopen.com>
4262 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4263 NULL, otherwise use an advance_loc4 to adjust relative to the
4265 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4266 (dwarf2out_switch_text_section): Reset the current label to avoid
4267 using advance_loc4 over section boundaries.
4269 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4272 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4273 r12 + SYMBOLIC_CONST.
4275 2006-08-30 Richard Guenther <rguenther@suse.de>
4277 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4279 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4281 PR rtl-optimization/27735
4282 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4283 Add new argument to keep track of whether an irreducible region
4284 was affected. All callers changed.
4285 (fix_irreducible_loops): Removed.
4286 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4287 flags were invalidated.
4289 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4291 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4292 instead of SF operands.
4293 (*fop_df_comm_sse): Likewise.
4294 (*fop_df_comm_i387): Likewise.
4295 (*fop_df_1_mixed): Likewise.
4296 (*fop_df_1_sse): Likewise.
4298 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4299 J"orn Rennecke <joern.rennecke@st.com>
4301 PR tree-optimization/17506
4302 * tree-ssa.c (warn_uninit): If warning about a location outside of
4303 the current function, note where the variable was declared.
4305 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4307 PR tree-optimization/28411
4308 * double-int.c (double_int_div): Use double_int_divmod.
4309 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4310 double_int_mod, double_int_smod, double_int_umod): New functions.
4311 * double-int.h (double_int_divmod, double_int_sdivmod,
4312 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4314 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4316 (get_computation_aff, get_computation_cost_at): Handle double_int
4317 return type of constant_multiple_of.
4319 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4322 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4323 an implicit conversion.
4325 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4327 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4329 2006-08-27 Roger Sayle <roger@eyesopen.com>
4331 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4334 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4336 * config/i386/crtfastmath.c: Fix a comment typo.
4338 2006-08-26 Roger Sayle <roger@eyesopen.com>
4340 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4341 temporary visit flags on CASE_LABEL_EXPRs.
4342 * c-common.c (match_case_to_enum): Add function comment. Avoid
4343 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4344 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4345 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4346 a constant, only warn if that constant value isn't handled.
4348 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4351 * input.h (restore_input_file_stack): Declare.
4352 (INPUT_FILE_STACK_BITS): Define.
4353 * toplev.c (fs_p, input_file_stack_history,
4354 input_file_stack_restored, restore_input_file_stack): New.
4355 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4356 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4357 (pop_srcloc): Don't free old state of stack.
4359 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4362 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4363 (PowerPC Type Attributes): New.
4365 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4367 * config/xtensa/xtensa.c (function_arg_boundary): New.
4368 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4370 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4371 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4373 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4376 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4379 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4381 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4382 (verify_local_live_at_start): Likewise.
4384 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4387 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4388 omp_add_variable): Treat sizes as variable whenever not
4391 2006-08-26 Richard Guenther <rguenther@suse.de>
4394 * fold-const.c (fold_binary): Fold temporary to correct
4395 type before constructing new comparison.
4397 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4400 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4401 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4403 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4406 * c-decl.c (start_function): Don't try to process prototype
4407 information from old declaration that isn't a function.
4409 2006-08-25 Jan Hubicka <jh@suse.cz>
4412 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4414 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4417 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4420 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4422 PR tree-optimization/16876
4423 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4424 exit if PARM doesn't match VALUE.
4426 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4428 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4429 literal_prefix directive.
4430 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4431 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4432 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4434 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4437 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4438 predicate to general_operand. Add 0->y and I->r alternatives.
4440 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4442 * doc/tm.texi: Fix a typo.
4443 * predict.c: Fix comment typos.
4445 2006-08-25 Nick Clifton <nickc@redhat.com>
4447 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4448 assertions of "cpu" and "machine".
4450 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4453 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4454 the access through a base which has an alias set of 0 cannot
4457 2006-08-24 Bill Wendling <wendling@apple.com>
4459 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4461 2006-08-24 Jan Hubicka <jh@suse.cz>
4463 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4465 2006-08-24 Jan Hubicka <jh@suse.cz>
4468 * cgraph.c: Fix comments.
4469 (cgraph_varpool_mark_needed_node): Mark only variables not already
4471 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4472 (cgraph_varpool_assembled_nodes_queue): New static variable.
4473 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4474 (cgraph_varpool_output_debug_info): New function.
4475 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4476 * Makefile.in: Add gt-cgraphunit.h
4478 2006-08-24 Jan Hubicka <jh@suse.cz>
4480 * predict.c (probability_reliable_p): New predicate.
4481 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4482 (predict_loops): Do not predict loop exit with less than 2%
4484 * basic-block.h (edge_probability_reliable_p,
4485 br_prob_note_reliable_p): Declare.
4486 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4487 prediction when static predictor is not reliable.
4488 * rs6000.c (output_cbranch): Likewise.
4490 2006-08-23 Stuart Hastings <stuart@apple.com>
4493 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4494 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4496 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4499 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4500 complex values, nor for generic vector values.
4502 2006-08-22 Richard Guenther <rguenther@suse.de>
4505 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4506 parameter. Convert arguments to arithmetic expression to the
4508 (analyze_scalar_evolution_1): Adjust caller.
4510 2006-08-22 Jan Hubicka <jh@suse.cz>
4512 Patch by Paolo Bonzini
4513 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4516 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4518 PR tree-optimization/28003
4519 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4520 before grouping aliases.
4522 2006-08-22 Roger Sayle <roger@eyesopen.com>
4524 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4525 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4527 2006-08-21 Jason Merrill <jason@redhat.com>
4530 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4531 wrapper. Loop to handle nested wrappers.
4532 (gimplify_bind_expr): Remove temp parameter.
4533 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4534 and STATEMENT_LIST on the rhs.
4535 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4536 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4537 (gimplify_target_expr): Remove special BIND_EXPR handling.
4539 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4541 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4544 2006-08-21 Olivier Hainque <hainque@adacore.com>
4546 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4547 Arrange for the temporary captures of components overlapping the lhs
4548 to happen before the lhs is possibly cleared.
4550 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4552 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4553 necessary places to pass the correct "number of registers" values
4556 2006-08-20 Jan Hubicka <jh@suse.cz>
4558 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4559 (create_name_tags): Instead of quadratic checking use hashtable.
4560 * bitmap.h: Include hashtab.h.
4561 (bitmap_hash): Declare.
4562 * bitmap.c (bitmap_hash): New function.
4564 2006-08-20 Jan Hubicka <jh@suse.cz>
4566 PR rtl-optimization/28071
4567 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4569 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4570 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4571 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4572 cgraph_decide_inlining_incrementally): Update use of
4573 cgraph_check_inline_limits.
4574 * cgraph.c (edge_hash, edge_eq): New function.
4575 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4576 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4577 cgraph_remove_node): Maintain call site hash.
4578 * cgraph.h (struct cgraph_node): Add call_site_hash.
4579 (cgraph_set_call_stmt): New function.
4581 2006-08-20 Jan Hubicka <jh@suse.cz>
4583 PR rtl-optimization/28071
4584 * reload1.c (reg_has_output_reload): Turn into regset.
4585 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4586 choose_reload_regs, emit_reload_insns): Update to new
4587 reg_has_output_reload.
4589 2006-08-20 Jan Hubicka <jh@suse.cz>
4592 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4593 function body sizes.
4594 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4596 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4599 * tree.c (handle_dll_attribute): Return early if not a
4600 var or function decl.
4602 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4605 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4606 alignment of SPE vector types.
4608 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4610 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4612 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4615 * cgraph.h (struct cgraph_node): Remove externally_visible
4617 * cgraphunit.c (process_function_and_variable_attributes): Set
4618 local.externally_visible rather than externally_visible.
4621 * c-common.c (handle_externally_visible_attribute): First look
4622 at TREE_CODE and only if it is function or var decl, check for
4623 non-public objects. Don't warn for DECL_EXTERNAL.
4624 * cgraphunit.c (process_function_and_variable_attributes): Warn
4625 if externally_visible attribute is used on non-public object.
4627 2006-08-17 Jan Hubicka <jh@suse.cz>
4629 PR tree-optimization/27865
4630 * reload1.c (forget_marked_reloads): New function.
4631 (forget_old_reloads_1): When data are passed, just mark the registers
4633 (reload_as_needed): Use the new mechanizm.
4635 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4638 * reload.h (reg_equiv_alt_mem_list): New declaration.
4639 * reload1.c (reg_equiv_alt_mem_list): New definition.
4640 (reload): Initialize it and release it.
4641 (delete_output_reload): Use it.
4642 * reload.c (push_reg_equiv_alt_mem): New function.
4643 (find_reloads_toplev): Call it.
4644 (find_reloads_address, find_reloads_address_1): Likewise.
4645 (find_reloads_subreg_address): Likewise.
4647 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4649 PR rtl-optimization/28489
4650 * sched-ebb.c (begin_schedule_ready): Create basic block
4652 (advance_target_bb): Skip empty blocks.
4653 * haifa-sched.c (bb_note): Make global.
4654 * sched-int.h (bb_note): Add prototype.
4656 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4658 PR tree-optimization/27865
4659 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4661 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4662 fold_used_pointer, pointer_used_p): New functions.
4663 (analyze_scalar_evolution_1): Use fold_used_pointer.
4664 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4665 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4668 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4671 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4672 or the INTEGER_CST. Fail on a CALL_EXPR.
4673 (fold_offsetof): Pass new argument to fold_offsetof_1.
4674 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4675 operand into an INDIRECT_REF.
4676 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4678 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4680 PR gcov/profile/26570
4681 * value-prof.c (static_values): Removed.
4682 (tree_find_values_to_profile): Do not set static_values.
4683 (find_values_to_profile): Do not free static_values.
4684 * profile.c (instrument_values): Do not free the values.
4685 (branch_prob): Free the values.
4687 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4689 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4691 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4694 * c-typeck.c (build_component_ref): Combine qualifiers of
4695 structure or union and field.
4697 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4699 PR rtl-optimization/28071
4700 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4701 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4702 * tree-into-ssa.c (struct dom_dfsnum): New.
4703 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4705 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4706 compute_global_livein.
4707 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4708 in phi nodes in the correct blocks.
4710 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4712 PR tree-optimization/28364
4713 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4715 (fold_affine_expr): New function.
4716 (may_eliminate_iv): Use fold_affine_expr.
4718 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4721 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4724 2006-08-16 Mike Stump <mrs@apple.com>
4726 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4727 * doc/cppopts.texi (-MD): Likewise.
4729 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4732 * c-common.c (handle_weak_attribute): Ignore and warn if
4733 not a FUNCTION_ or VAR_DECL.
4735 2006-07-15 Mike Stump <mrs@apple.com>
4738 * c-parser.c (c_parser_typeof_specifier): Don't use
4739 c_finish_expr_stmt, open code desired semantics instead.
4741 2006-08-15 Nick Clifton <nickc@redhat.com>
4743 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4744 fragment to tmake_file only if threads are enabled.
4745 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4746 * config/i386/t-gthr-win32: New file. ... here.
4748 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4751 * c-parser.c (c_parser_compound_statement_nostart): Reset
4752 parser->error after each statement.
4754 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4757 * omp-low.c (lower_omp_parallel): Convert t to
4758 receiver_decl's type.
4759 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4760 source before comparison.
4763 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4764 to itype in assignment to oldival2.
4766 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4770 * c-typeck.c (build_compound_expr): If the second expression
4771 is an error mark, then just return an error mark instead of
4772 creating a COMPOUND_EXPR.
4774 2006-07-14 Mike Stump <mrs@apple.com>
4776 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4778 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4780 * c-decl.c, var-tracking.c: Fix comment typos.
4782 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4784 PR rtl-optimization/28634
4785 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4786 for floating-point modes unless flag_unsafe_math_optimizations.
4788 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4789 Andrew Pinski <pinskia@physics.uc.edu>
4792 * tree.c (build_array_type): Unify array types with
4793 unspecified index_type.
4794 * c-decl.c (grokdeclarator): Make sure we do not modify a
4795 unified incomplete array type.
4796 * c-typeck.c (store_init_value): Create distinct type before
4797 filling in the index type in an initializer from a compound
4800 * c-decl.c (grokdeclarator): Remove code where we copy the
4803 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4805 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4806 into account for TODO_dump_cgraph.
4807 (TODO_update_ssa_no_phi): Likewise.
4808 (TODO_update_ssa_full_phi): Likewise.
4809 (TODO_update_ssa_only_virtuals): Likewise.
4810 (TODO_remove_unused_locals): Likewise.
4811 (TODO_set_props): Likewise.
4812 (TODO_update_stmt_usage): Likewise.
4814 2006-08-13 Dirk Mueller <dmueller@suse.de>
4816 * c-common.c (strict_aliasing_warning): Fix formatting.
4818 2006-08-13 Matthias Klose <doko@debian.org>
4820 * doc/invoke.texi: Fix spelling errors.
4822 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4824 PR rtl-optimization/23454
4825 * reorg.c (relax_delay_slots): Update comment.
4827 2006-08-11 Richard Guenther <rguenther@suse.de>
4830 * simplify-rtx.c (simplify_const_relational_operation):
4831 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4834 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4836 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4837 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4839 2006-08-10 Paul Brook <paul@codesourcery.com>
4841 * final.c (final_scan_insn): Clear current_insn_predicate before
4842 outputting inline asm.
4844 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4846 PR tree-optimization/26197
4847 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4848 get_ref_base_and_extent and overlap_subvar to add only relevant
4849 subvars as may-aliases.
4850 (add_may_alias_for_new_tag): New function, factored out of
4852 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4853 with additional argument.
4854 * tree-flow.h (new_type_alias): Takes additional argument.
4856 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4858 * gcov.c (no_data_file): New flag.
4859 (read_count_file): Set it if data file not present. Assume counts
4861 (output_lines): Don't name the data file, if there wasn't one.
4863 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4865 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4866 (rs6000_generate_compare): Tweak comments.
4867 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4869 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4871 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4872 (var_debug_decl): New function.
4873 (var_reg_set): Follow debug decl link. Add location even if
4874 reg is already known to hold some other variable.
4875 (var_mem_set): Follow debug decl link.
4876 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4877 decl link. Delete other known locations of the variable part
4879 (var_reg_delete, var_mem_delete): Delete other known locations
4880 of the variable part if requested.
4881 (same_variable_part_p): New function.
4882 (add_stores): Select MO_COPY when appropriate.
4883 (vt_initialize): Handle it.
4884 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4885 known locations for MO_SET and MO_CLOBBER.
4886 (find_variable_location_part): New function.
4887 (set_variable_part, delete_variable_part): Use it.
4888 (clobber_variable_part): New function.
4889 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4892 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4894 PR tree-optimization/26969
4895 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4896 with an empty list of PHIs.
4898 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4902 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4905 2006-08-06 Andreas Schwab <schwab@suse.de>
4907 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4908 string. Whitespace and comment fixup.
4910 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4913 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4917 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4920 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4922 2006-08-04 Jan Hubicka <jh@suse.cz>
4926 * reload.c (push_reload): Patch out the mismatching instruction;
4928 (find_reload): Bail out if the instruction was patched out.
4930 2006-08-04 Jan Hubicka <jh@suse.cz>
4932 PR tree-optimization/24888
4933 * tree-inline.c (expand_call_inline): Do not re-record variables.
4934 (declare_inline_vars): Add variable to unexpanded_var_list.
4936 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4937 Roger Sayle <roger@eyesopen.com>
4939 PR rtl-optimization/26244
4940 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4941 inner_const are negative or greater than or equal to the bitsize of
4942 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4943 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4944 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4945 CONST0_RTX (mode) when the new shift count is greater than or equal to
4946 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4949 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4951 * tree-cfg.c: Fix a comment typo.
4953 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4956 * varasm.c (output_constant): Give the front end another chance to
4957 expand constants, after stripping NOPs.
4959 2006-08-03 Jan Hubicka <jh@suse.cz>
4961 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4964 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4966 PR tree-optimization/27770
4967 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4968 declaration removed (moved to tree-flow.h).
4969 (vect_can_force_dr_alignment_p): Likewise.
4970 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4971 (moved from tree-vectorizer.h).
4972 (vect_can_force_dr_alignment_p): Likewise.
4973 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4974 from outside the vectorizer - in particular from cgraph stage.
4975 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4976 the alignment of global arrays when -fsection-anchors is enabled.
4977 * cgraphunit.c (cgraph_increase_alignment): New function.
4978 (cgraph_optimize): Call cgraph_increase_alignment.
4980 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4983 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4984 not reload a SPE symbol_ref into a lo_sum address.
4986 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4989 * dwarf2out.c (prune_unused_types_prune): Move call to
4990 prune_unused_types_update_strings to cover the parent DIE also.
4992 2006-08-02 Jan Hubicka <jh@suse.cz>
4994 PR gcov/profile/28480
4995 * tree-cfg.c (change_bb_for_stmt): New function.
4996 (tree_merge_blocks, tree_split_blocks): Use it.
4998 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5004 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5005 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5006 (cgraph_optimize): Likewise.
5008 2006-08-01 Stuart Hastings <stuart@apple.com>
5010 * rtl.h (UINTVAL) New.
5011 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5012 * testsuite/gcc.dg/20060801-1.c: New.
5014 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5017 * c-typeck.c (build_external_type): Mark used enum types.
5018 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5020 (gen_subprogram_die): Whitespace fix.
5022 2006-08-01 Jan Hubicka <jh@suse.cz>
5024 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5025 bitmap when not needed.
5026 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5029 2006-08-01 Dirk Mueller <dmueller@suse.de>
5031 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5033 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5035 * Makefile.in: Revert part of previous patch:
5036 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5039 2006-07-30 Eric Christopher <echristo@apple.com>
5042 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5043 (PowerPC Variable Attributes): New section.
5045 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5047 PR target/28126 (partial fix)
5048 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5050 2006-07-28 Jan Hubicka <jh@suse.cz>
5052 PR rtl-optimization/28071
5053 * cfgrtl.c (rtl_delete_block): Free regsets.
5054 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5056 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5058 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5059 and variables used in dependencies.
5061 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5063 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5064 %fs for -mcmodel=kernel.
5065 (stack_tls_protect_test_di): Likewise.
5067 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5069 * Makefile.in: Use mkinstalldirs.
5071 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5074 * opts-common.c (prune_options): Skip joined switches.
5076 2006-07-27 Jan Hubicka <jh@suse.cz>
5078 PR rtl-optimization/28071
5079 * cselib.c (cselib_process_insn): Don't remove useless values too
5080 often for very large hashtables.
5082 2006-07-27 Jan Hubicka <jh@suse.cz>
5084 PR rtl-optimization/28071
5085 * global.c (greg_obstack): New obstack.
5086 (allocate_bb_info): Use it.
5087 (free_bb_info): Likewise.
5088 (modify_reg_pav): Likewise.
5090 2006-07-27 Roger Sayle <roger@eyesopen.com>
5092 * builtins.c (fold_fixed_mathfn): When long and long long are the
5093 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5094 functions to their lceil*, lfloor*, lround* and lrint* forms.
5096 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5099 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5101 (rev_branch_insn): Likewise.
5103 2006-07-27 Jan Hubicka <jh@suse.cz>
5105 PR rtl-optimization/28071
5106 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5107 (reg_set_in_bb, max_reg_computed): New static variables.
5108 (regmove_optimize): Free the new array.
5109 (fixup_match_1): Update call of reg_is_remote_constant_p.
5111 2006-07-26 Jan Hubicka <jh@suse.cz>
5113 PR tree-optimization/27882
5114 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5116 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5118 (cgraph_analyze_compilation_unit): Likewise.
5119 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5120 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5121 (cgraph_early_inlinine): Make order garbage collected.
5122 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5124 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5126 * dbxout.c (output_types_sort): Add a comment.
5127 (output_used_types): Free the VEC.
5129 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5131 * function.c (reorder_fix_fragments): Delete.
5132 (reorder_blocks): Don't call it.
5133 (reorder_blocks_1): Put all subblocks under the origin block.
5135 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5137 PR rtl-optimization/27907
5138 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5141 2006-07-25 Roger Sayle <roger@eyesopen.com>
5144 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5145 bar(x) check that bar's result type can represent all the values of T.
5147 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5149 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5151 2006-07-25 Nick Clifton <nickc@redhat.com>
5153 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5154 size_lookup[] array.
5155 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5156 (ggc_pch_count_object): Likewise.
5157 (ggc_pch_alloc_object): Likewise.
5158 (ggc_pch_write_object): Likewise.
5159 (init_ggc): Do not attempt to initialize entries in the
5160 size_lookup[] array for objects whose size is greater than than
5161 the length of the array.
5163 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5165 * dbxout.c (output_used_types_helper): Push queued types
5167 (output_types_sort): New.
5168 (output_used_types): Collect used types on a VEC and sort them
5171 2006-07-24 Richard Guenther <rguenther@suse.de>
5174 * cgraph.c (cgraph_remove_node): Do not check if dumps
5176 * cgraphunit.c (cgraph_optimize): Likewise.
5178 2006-07-24 Jan Hubicka <jh@suse.cz>
5180 PR rtl-optimization/28071
5181 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5182 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5183 splitting before first stmt.
5185 2006-07-24 Jan Hubicka <jh@suse.cz>
5187 PR rtl-optimization/28071
5188 * ipa-inline.c (update_caller_keys): Remove edges that
5189 are no longer inline candidates.
5191 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5194 * dbxout.c (output_used_types_helper, output_used_types): New.
5195 (dbxout_symbol): Call output_used_types.
5197 2006-07-23 Jan Hubicka <jh@suse.cz>
5201 * cgraph.c (cgraph_varpool_nodes): Export.
5202 (decide_is_variable_needed): Ignored "used" attribute in
5203 unit-at-a-time mode.
5204 * cgraph.h (cgraph_varpool_nodes): Declare.
5205 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5206 unit-at-a-time mode.
5208 2006-07-23 Roger Sayle <roger@eyesopen.com>
5211 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5212 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5213 the __gthrw form of thr_keycreate.
5214 (__gthread_key_delete): Silence the unused argument warning.
5216 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5219 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5220 Cache the last found '\0' marker to avoid quadratic behavior.
5222 2006-07-23 Jan Hubicka <jh@suse.cz>
5224 * i386.md (subsi_3_zext): Fix output template.
5226 2006-07-21 Mike Stump <mrs@apple.com>
5228 * doc/invoke.texi (C++ Dialect Options): Note that
5229 -fvisibility-inlines-hidden doesn't affect explicitly
5230 instantiationed inline methods.
5232 2006-07-20 Roger Sayle <roger@eyesopen.com>
5234 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5235 if the target assembler is GNU binutils' gas.
5236 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5237 whether to pass GNU gas or native as command line options.
5239 2006-07-20 Jason Merrill <jason@redhat.com>
5241 * tree.c (remove_attribute): New fn.
5242 * tree.h: Declare it.
5244 2006-07-20 Paul Brook <paul@codesourcery.com>
5247 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5248 they are invalidated by this instruction.
5250 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5253 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5255 2006-07-20 Eric Christopher <echristo@apple.com>
5258 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5260 2006-07-19 Eric Christopher <echristo@apple.com>
5262 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5263 Rewrite dependencies for libgcc_s.1.dylib.
5265 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5267 * except.c (duplicate_eh_regions_1): Clear next_peer.
5269 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5271 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5272 -mlongcall does not guarantee all calls will be long.
5273 * doc/extend.texi (long_call/short_call): Document that longcall
5274 does not guarantee a long call will be used.
5275 (longcall/shortcall): Likewise.
5277 2006-07-18 Roger Sayle <roger@eyesopen.com>
5280 * expmed.c (expand_shift): Additionally check that the shift_cost
5281 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5282 before implementing a LSHIFT_EXPR as a sequence of additions.
5283 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5284 middle-end that DImode shifts need to be synthesized by expand.
5286 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5289 * tree-ssa-operands.c (access_can_touch_variable): Update
5291 Return true if ALIAS is .GLOBAL_VAR.
5293 2006-07-18 David Daney <ddaney@avtrex.com>
5295 * gcc.c (display_help): Fix typo in help text.
5297 2006-07-18 Olivier Hainque <hainque@adacore.com>
5299 * tree.h (categorize_ctor_elements): Adjust prototype and add
5300 descriptive comment, both in accordance with the interface change
5302 * varasm.c (constructor_static_from_elts_p): New function.
5303 Whether a constructor node is a valid static constant initializer
5304 if all its elements are.
5305 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5306 * output.h: Declare it.
5307 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5308 is a valid constant initializer instead of computing the number of
5309 non-constant elements. Use constructor_static_from_elts_p for this
5310 purpose. Replace the head comment with an indication that this is a
5311 helper for categorize_ctor_elements.
5312 (categorize_ctor_elements): Same interface change as for the _1
5313 helper. Former head comment from this helper moved here, adjusted to
5314 account for the interface changes.
5315 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5316 (all_zeros_p): Likewise.
5317 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5318 static versions of the constructor from the categorize_ctor_elements
5319 return value instead of the formerly computed number of non-constant
5322 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5324 * configure: Regenerate.
5325 * Makefile.in (build_libsubdir): New configure substitution
5326 (build_libobjdir): New variable.
5327 (BUILD_LIBIBERTY): Use it.
5329 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5332 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5334 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5337 * c-common.c (handle_weakref_attribute): Ignore attribute in
5338 the same conditions the alias attribute is ignored.
5340 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5342 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5343 (dbxout_begin_prologue): Increment scope_labelno.
5345 2006-07-17 Richard Henderson <rth@redhat.com>
5348 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5351 2006-07-17 Roger Sayle <roger@eyesopen.com>
5352 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5354 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5355 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5356 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5357 functions such as sbrk, write, etc.. Add function prototypes.
5358 Convert function declarations from K&R to ISO C. Cast pointers
5359 to "long" and "unsigned long" instead of "int" and "unsigned int".
5360 Convert tokens following #endif into comments.
5362 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5364 * invoke.texi: Remove mention of f77; Reformat table for
5365 inline parameter options correctly; mention that -malign-double
5366 is default on x86-64 targets.
5368 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5370 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5371 (convert_affine_scev, chrec_convert_aggressive): Use
5372 avoid_arithmetics_in_type_p. Do not check for the subtypes
5375 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5378 * optabs.c (expand_doubleword_shift): Wrap the call to
5379 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5381 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5384 * optabs.c (expand_binop): Pass next_methods rather than methods
5385 to expand_doubleword_shift.
5387 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5390 * tree.h (dump_addr): Declare.
5391 * print-tree.c (dump_addr): New function.
5392 (print_node_brief, print_node): Use it.
5393 * print-rtl.c (print_rtx): Likewise.
5394 * common.opt (-fdump-noaddr): New option.
5395 * doc/invoke.texi (-fdump-noaddr): Document.
5396 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5397 (ve_info_hash): Likewise.
5399 2006-07-13 Andrew Haley <aph@redhat.com>
5401 PR tree-optimization/19505
5402 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5403 edge leaving this block, make sure that the destination of this
5404 block has only one predecessor.
5406 2006-07-17 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/28238
5409 * tree-inline.c (copy_bb): Check if we produced valid
5410 gimple copying and substituting a stmt. If not, gimplify
5413 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5415 * optabs.c (maybe_encapsulate_block): New function extracted from...
5416 (emit_libcall_block): ...here. Invoke it on the block of insns to
5417 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5418 (emit_no_conflict_block): Likewise.
5420 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5422 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5424 2006-07-15 Roger Sayle <roger@eyesopen.com>
5426 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5427 a new NOP_EXPR case of the switch statement.
5429 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5432 * stor-layout.c (place_field): Take the bit field with
5433 an excessive size into account in the ms-bitfiled case.
5436 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5437 the previous bit field.
5439 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5442 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5444 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5446 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5447 signal frames correctly even when the signal was installed with
5450 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5452 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5453 (dbxout_function_end): Use local label LFBB. Remove hook
5455 (dbxout_source_line): Use local label LFBB.
5456 (dbxout_block): Likewise.
5457 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5458 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5459 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5460 and DBX_OUTPUT_NFUN.
5462 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5464 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5466 2006-07-13 Jan Hubicka <jh@suse.cz>
5468 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5470 * output.h (align_variable): Declare.
5471 * varasm.c (align_variable): Export.
5472 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5473 when basic block changed.
5475 2006-07-13 Nick Clifton <nickc@redhat.com>
5477 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5478 walking the LOG_LINKS chain.
5480 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5482 * doc/invoke.texi (C++ Dialect Options): Explain difference
5483 between -fvisibility-inlines-hidden and setting hidden
5484 visibility explicitly.
5486 2006-07-12 Eric Christopher <echristo@apple.com>
5488 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5489 (stmp-lipo): Depend on libgcc.a.
5491 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5493 * tree.c: Fix a comment typo.
5495 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5497 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5499 (umulhisi3_r): Likewise.
5501 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5504 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5505 x < 19, vs wchar_t support.
5507 2006-07-12 Nick Clifton <nickc@redhat.com>
5509 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5510 instead of -isa=sh4.
5512 2006-07-12 Mike Stump <mrs@apple.com>
5514 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5516 2006-07-10 Eric Christopher <echristo@apple.com>
5518 * config/t-slibgcc-darwin: Rewrite.
5520 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5523 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5526 2006-07-08 Matthias Klose <doko@debian.org>
5528 * doc/sourcebuild.texi: Fix typo.
5530 2006-07-07 Mike Stump <mrs@apple.com>
5532 * toplev.c (process_options): Don't give -ffunction-sections may
5533 affect debugging warning for Mach-O.
5535 2006-07-07 James E Wilson <wilson@specifix.com>
5537 * config/mips/mips.md (cpu): Add sb1a.
5538 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5539 addition to sb1. Adjust comments to clarify SB-1A differences from
5541 (ir_sb1a_load): New. Modify bypasses to use it.
5542 (ir_sb1a_simple_alu): Likewise.
5543 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5544 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5545 (mips_issue_rate): Add PROCESSOR_SB1A.
5546 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5547 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5548 (TARGET_SB1): Add PROCESSOR_SB1A check.
5549 (TUNE_SB1): Likewise.
5551 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5552 * config/mips/mips.c (mips_store_data_bypass_p): New.
5553 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5554 store_data_bypass_p.
5556 2006-07-08 Paul Brook <paul@codesourcery.com>
5559 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5561 2006-07-07 Richard Guenther <rguenther@suse.de>
5564 * tree.h (build_one_cst): Declare.
5565 * tree.c (build_one_cst): New function.
5566 * tree-ssa-math-opts.c (get_constant_one): Remove.
5567 (insert_reciprocals): Use build_one_cst.
5568 * fold-const.c (fold_plusminus_mult): Likewise.
5570 2006-07-07 Roger Sayle <roger@eyesopen.com>
5572 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5573 * cfgloopanal.c (dump_graph): Likewise.
5574 * dojump.c (discard_pending_stack_adjust): Likewise.
5575 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5577 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5578 * function.c (finalize_block_changes): Likewise.
5579 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5580 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5581 * rtl.c (dump_rtx_statistics): Likewise.
5582 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5584 * varray.c (dump_varray_statistics): Likewise.
5585 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5586 decode_decimal64, encode_decimal128, decode_decimal128,
5587 decimal_real_to_decimal): Likewise.
5589 2006-07-07 Richard Guenther <rguenther@suse.de>
5591 PR tree-optimization/28187
5592 * tree-vrp.c (vrp_operand_equal_p): New function.
5593 (vrp_bitmap_equal_p): Likewise.
5594 (update_value_range): Use them to compare old and new
5597 2006-07-06 Roger Sayle <roger@eyesopen.com>
5599 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5600 a default case to switch statement to silence compiler warnings.
5602 2006-07-06 Roger Sayle <roger@eyesopen.com>
5605 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5606 the configured assembler supports the x87's ffreep mnemonic.
5607 * configure: Regenerate.
5608 * config.in: Regenerate.
5610 * config/i386/i386.c (output_387_ffreep): New function.
5611 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5612 (output_387_reg_move): Likewise.
5614 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5616 Port to hosts whose 'sort' and 'tail' implementations
5617 treat operands with leading '+' as file names, as POSIX
5618 has required since 2001. However, make sure the code still
5619 works on pre-POSIX hosts.
5620 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5621 which says you should use "tail -c +N" rather than "tail +Nc".
5622 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5624 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5626 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5629 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5632 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5633 PRE_{INC,DEC} of TFmode.
5635 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5636 Alan Modra <amodra@bigpond.net.au>
5639 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5642 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5645 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5646 Remove duplicate gtu.
5648 2006-07-05 Jason Merrill <jason@redhat.com>
5652 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5653 * c-common.c (handle_packed_attribute): So don't copy it here.
5654 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5656 2006-07-05 Mike Stump <mrs@apple.com>
5658 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5660 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5663 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5665 2006-07-05 Richard Guenther <rguenther@suse.de>
5668 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5669 TARGET_SSE2 targets if using SSE math.
5670 (*absdf2_1): Likewise.
5672 2006-07-05 Richard Guenther <rguenther@suse.de>
5674 PR tree-optimization/28162
5675 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5676 make sure to convert the operands to the correct type.
5678 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5680 PR tree-optimization/28218
5682 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5683 to calculate and free the dominator information.
5685 2006-07-04 Peter O'Gorman <peter@pogma.com>
5687 * mklibgcc.in: chmod 644 before ranlib during install.
5689 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5690 J"orn Rennecke <joern.rennecke@st.com>
5692 * configure.ac (.eh_frame data check): Use diff -b.
5694 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5697 * Makefile.in (BUILD_RTL): Add build/vec.o.
5698 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5699 (build/genextract): Delete.
5700 (build/genautomata): Likewise.
5702 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5705 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5706 128-bit IBM long doubles for ABI_V4.
5708 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5710 * tree.c (range_in_array_bounds_p): New predicate.
5711 * tree.h (range_in_array_bounds_p): Declare it.
5712 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5713 return a less conservative answer.
5714 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5715 and flag 'is_group'.
5716 (IS_ELEMENT_FOR_GROUP): New macro.
5717 (FOR_EACH_ACTUAL_CHILD): Likewise.
5718 (next_child_for_group): New helper function.
5719 (can_completely_scalarize_p): Take into account groups.
5720 (sra_hash_tree): Handle RANGE_EXPR.
5721 (sra_elt_eq): Likewise.
5722 (lookup_element): Be prepared for handling groups.
5723 (is_valid_const_index): Delete.
5724 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5725 instead of is_valid_const_index.
5726 <ARRAY_RANGE_REF>: New case.
5727 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5728 is_valid_const_index.
5729 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5730 (scan_dump): Dump info for groups too.
5731 (decide_instantiation_1): Likewise.
5732 (decide_block_copy): Assert that the element is not a group.
5733 Propagate decision to groups.
5734 (generate_one_element_ref): Handle RANGE_EXPR.
5735 (mark_no_warning): Iterate over actual childs.
5736 (generate_copy_inout): Likewise.
5737 (generate_element_copy): Likewise.
5738 (generate_element_zero): Likewise.
5739 (generate_element_init_1): Likewise.
5740 (dump_sra_elt_name): Handle RANGE_EXPR.
5742 2006-07-03 Roger Sayle <roger@eyesopen.com>
5744 PR tree-optimization/26251
5745 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5746 (thread_block): When optimizing for size refuse to thread jumps
5747 that would require duplication of blocks other than redirection
5750 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5752 * configure.ac: Fix thinko in previous check-in.
5753 * configure: Regenerate.
5755 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5758 * configure.ac (for lang...): Simplify nesting of conditionals.
5759 Test subdir_requires for non-enabled languages. Move processing
5760 of lang_opt_files and lang_tree_fiels below that test.
5761 * configure: Regenerate.
5762 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5764 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5766 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5768 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5770 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5773 2006-06-29 Jason Merrill <jason@redhat.com>
5780 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5781 * c-common.c (c_determine_visibility): Handle it here.
5782 * c-decl.c (finish_decl): Call c_determine_visibility for
5784 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5786 * varasm.c (default_assemble_visibility): Likewise.
5787 * c-common.c (handle_visibility_attribute): Complain about trying
5788 to give visibility to an already defined class, or trying to change
5789 declared visibility. Always attach the attribute.
5794 * attribs.c (decl_attributes): Ignore type-in-place attributes
5795 once the type has been defined.
5797 2006-06-29 Roger Sayle <roger@eyesopen.com>
5800 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5801 to indicate the cpplib has issued an error message for us.
5803 2006-06-29 Asher Langton <langton2@llnl.gov>
5806 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5807 insert a label at the end of an function under Mach-O.
5809 2006-06-29 Eric Christopher <echristo@apple.com>
5810 Evan Cheng <evan.cheng@apple.com>
5812 * predicates.md (vector_all_ones_operand): New.
5813 (nonimmediate_or_sse_const_operand): Ditto.
5814 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5815 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5816 (standard_sse_mode_p): Ditto.
5817 (standard_sse_constant_p): Add case for -1 vector.
5818 (ix86_expand_vector_move): Try to use.
5819 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5820 Call standard_sse_constant_opcode.
5821 (*movv4sf_internal): Ditto.
5822 (*movv2df_internal): Ditto.
5824 2006-06-29 Roger Sayle <roger@eyesopen.com>
5826 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5827 of XEXP to extract the operands of a MATCH_CODE rtx.
5829 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5831 * tree.c (tree_size): Do not waste tail padding in
5832 struct tree_string and make the size be the same as
5833 build_string will generate.
5835 2006-06-28 Jason Merrill <jason@redhat.com>
5838 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5839 may_aliases already in the tag's annotations to the bitmap.
5841 2006-06-28 Roger Sayle <roger@eyesopen.com>
5843 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5845 2006-06-28 Roger Sayle <roger@eyesopen.com>
5847 * genpreds.c (generate_switch_p): New function.
5848 (add_mode_tests): Push the new mode test down inside an AND expr
5849 if this allows the switch-suitable MATCH_CODE to be near the root.
5850 (write_match_code_switch): New function to write a MATCH_CODE as
5852 (write_predicate_stmts): New function to write a predicate RTX
5853 expression as a sequence of statements.
5854 (write_one_predicate_function): Use write_predicate_stmts.
5855 (write_tm_constrs_h): Likewise.
5857 2006-06-26 Fred Fish <fnf@specifix.com>
5859 * config/mips/t-sb1: New file.
5860 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5863 2006-06-26 DJ Delorie <dj@redhat.com>
5865 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5867 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5868 Jayant Sonar <jayants@kpitcummins.com>
5869 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5871 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5872 (subsi3, subsi3_1, subsi3_2): New.
5873 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5874 * config/m32c/mov.md (SI mov peephole): New.
5875 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5876 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5878 2006-06-26 Olivier Hainque <hainque@adacore.com>
5880 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5881 a CALL_EXPR target function declaration.
5883 2006-06-26 Richard Guenther <rguenther@suse.de>
5885 * tree.c (build_string): Do not waste tail padding in
5888 2006-06-26 Richard Guenther <rguenther@suse.de>
5890 * ggc-page.c (init_ggc): Add missing element to size_lookup
5894 2006-06-23 Richard Guenther <rguenther@suse.de>
5896 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5897 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5898 alignment requests instead. Add verification code.
5899 Add struct tree_function_decl and struct tree_binfo size to
5900 extra_order_size_table. Add missing element to size_lookup
5903 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5906 * fold-const.c (const_binop): Be prepared for self returning zero.
5907 Simplify code handling complex values.
5909 2006-06-24 Olivier Hainque <hainque@adacore.com>
5911 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5912 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5915 2006-06-24 Olivier Hainque <hainque@adacore.com>
5917 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5918 ARRAY_REF, so have the callback called for the low bound expression.
5920 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5922 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5923 * c-typeck.c (c_common_type): Disallow operations on decimal float
5924 types and other float types.
5925 * convert.c (convert_to_real): Don't ignore conversions involving
5926 decimal float types.
5928 2006-06-23 Olivier Hainque <hainque@adacore.com>
5930 * tree.c (max_int_size_in_bytes): New function, inspired from
5931 code in function.c:assign_temp.
5932 * tree.h (max_int_size_in_bytes): Declare.
5933 * function.c (assign_temp): Use it.
5934 * gimplify.c (create_tmp_var): Relax the assertions on the type
5935 properties, not mandating constant size any more.
5936 (force_constant_size): New static function.
5937 (gimple_add_tmp_var): Use it, forcing variable size to a
5938 constant upper bound if it is not constant on entry.
5940 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5943 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5944 for initialization and setting of one_only flag to ...
5945 (i386_pe_encode_section_info): ...here.
5946 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5947 Recheck that the symbol has not been defined.
5949 2006-06-23 Richard Guenther <rguenther@suse.de>
5951 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5952 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5953 alignment requests instead. Add verification code.
5954 Add struct tree_function_decl and struct tree_binfo size to
5955 extra_order_size_table. Add missing element to size_lookup
5958 2006-06-22 Roger Sayle <roger@eyesopen.com>
5959 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5962 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5963 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5965 2006-06-23 Ben Elliston <bje@au.ibm.com>
5967 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5968 negate dn -- manipulate it directly.
5970 2006-06-22 Roger Sayle <roger@eyesopen.com>
5971 Steven Bosscher <stevenb.gcc@gmail.com>
5974 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5975 generated by gen_move_insn to add REG_LABEL notes if necessary.
5977 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5979 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5980 (leaf_entry): Remove use of MIN_ESA.
5982 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5984 PR rtl-optimization/28121
5985 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5988 2006-06-21 DJ Delorie <dj@redhat.com>
5990 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5992 (mulhisi3_r): Likewise.
5994 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5997 * coverage.c (coverage_counter_alloc): Leave the index type
5999 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6002 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6004 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6005 section from the "Options for Code Generation Conventions".
6007 2006-06-21 Richard Henderson <rth@redhat.com>
6011 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6013 (global_symbolic_operand): Allow weak symbols, even if local_p.
6015 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6017 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6018 (find_interesting_uses_address): Punt if above function returns true.
6020 2006-06-21 Richard Guenther <rguenther@suse.de>
6022 * configure: Regenerated.
6024 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6026 * config/mips/mips.c (function_arg): Where one part of a
6027 complex argument is in registers and the other part in the stack,
6028 return a REG not a PARALLEL.
6030 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6032 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6033 when cross-compiling. Do not substitute libstdcxx_incdir.
6034 * configure: Regenerated.
6036 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6038 * varasm.c (mergeable_string_section): Check for embedded NULs and
6039 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6040 rather than TREE_STRING_LENGTH bytes.
6042 2006-06-21 Richard Guenther <rguenther@suse.de>
6044 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6045 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6048 2006-06-21 Richrad Guenther <rguenther@suse.de>
6050 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6051 Limit iteration over the dominators.
6053 2006-06-20 Roger Sayle <roger@eyesopen.com>
6055 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6056 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6058 2006-06-20 Richard Guenther <rguenther@suse.de>
6059 Michael Matz <matz@suse.de>
6061 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6063 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6064 * et-forest.h (et_free_pools): Prototype new function.
6065 * et-forest.c (et_free_tree_force): Free parent occurrence.
6066 (et_free_pools): New function.
6067 * dominance.c (free_dominance_info): Free et-forest alloc
6070 2006-06-20 Roger Sayle <roger@eyesopen.com>
6072 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6073 integer modes, attempt to directly construct an integer constant.
6075 * fold-const.c (native_encode_vector): Determine the size of each
6076 element from the vector type instead of the first vector element.
6078 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6079 if all of its elements/components are constant.
6080 (build_constructor_from_list): Likewise.
6082 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6084 PR tree-optimization/27331
6085 * tree-data-ref.c (free_data_ref): New function.
6086 (create_data_ref): Fail if the data reference has unknown access
6088 (free_data_refs): Use free_data_ref.
6090 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6093 * tree-inline.c (setup_one_parameter): Strip useless
6094 type conversion before adding it to the IR.
6095 (declare_return_variable): Likewise.
6097 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6100 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6102 2006-06-19 Mike Stump <mrs@apple.com>
6104 * tree.c (variably_modified_type_p): VM arguments don't make the
6107 2006-06-19 Richard Guenther <rguenther@suse.de>
6109 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6110 type conversions after folding.
6112 2006-06-19 Richard Guenther <rguenther@suse.de>
6114 * ggc-page.c (extra_order_size_tab): Add entries with
6115 size of struct function and basic_block.
6116 (size_lookup): Extend to cover sizes up to 511.
6117 (ggc_alloc_stat): Adjust user.
6118 (ggc_pch_count_object): Likewise.
6119 (ggc_pch_alloc_object): Likewise.
6120 (ggc_pch_write_object): Likewise.
6122 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6124 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6125 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6128 2006-06-19 Denis Chertykov <denisc@overta.ru>
6130 * config/avr/libgcc.S : Correct my wrong previous commit.
6132 2006-06-19 Roger Sayle <roger@eyesopen.com>
6135 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6136 have stripped a SUBREG from the shift count, so we may need to
6137 convert_to_mode back to the type's mode before calling make_tree.
6138 Use new_amount instead of amount to avoid expanding a tree twice.
6140 2006-06-19 Richard Guenther <rguenther@suse.de>
6143 * fold-const.c (operand_equal_p): Check if the argument types
6144 have the same precision before stripping NOPs.
6146 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6148 Fix PR tree-optimization/27341
6149 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6151 * tree-complex.c (pass_lower_complex): Update SMT usage.
6153 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6155 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6156 Add a new alternative to the constraint strings. Add move of
6157 operand 1 to 3 to the splitter definition.
6158 ("doloop_si_long"): Second contraint alternative removed.
6160 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6162 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6163 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6165 (AVR_HAVE_MOVW) Define.
6166 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6167 (ASM_SPEC): Add avr25.
6168 (LINK_SPEC): Add avr25.
6169 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6170 (base_arch_s): Add new member 'have_movw_lpmx'.
6171 (avr_arch_types): Init 'have_movw_lpmx'.
6172 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6173 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6174 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6175 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6176 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6178 (avr_file_start): Do not output '.arh' derective.
6179 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6180 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6181 * config/avr/avr.md (mcu_enhanced): Delete.
6182 (mcu_have_movw): Define.
6183 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6184 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6185 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6186 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6187 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6188 attiny861 and at86rf401 devices.
6190 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6192 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6195 2006-06-17 Karl Berry <karl@gnu.org>
6197 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6198 doc/gccint.texi, doc/install.texi (@dircategory): Use
6199 "Software development" instead of "Programming", following
6200 the Free Software Directory.
6202 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6204 * config/i386/i386.c (legitimate_tls_address)
6205 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6206 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6207 (*tls_dynamic_gnu2_combine_64): Likewise.
6209 2006-06-16 Richard Guenther <rguenther@suse.de>
6212 * fold-const.c (negate_expr_p): Do not introduce undefined
6213 overflow in negating INTEGER_CSTs.
6214 (fold_negate_expr): Rename from negate_expr. Revert last
6215 change for folding BIT_NOT_EXPR. Change semantics to
6216 return NULL_TREE for non-simplified negations. Do not
6217 strip type conversions and unify type handling.
6218 (negate_expr): New function, wrap around fold_negate_expr
6219 but ensure building a tree always. Strip type conversions
6220 here, fold to result type.
6221 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6223 2006-06-16 Roger Sayle <roger@eyesopen.com>
6226 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6227 that (would) return their results in stack registers.
6229 2006-06-16 Michael Matz <matz@suse.de>
6230 Richard Guenther <rguenther@suse.de>
6232 * fold-const.c (fold_truthop): Only return new tree node if
6233 we canonicalized something.
6235 2006-06-16 Richard Guenther <rguenther@suse.de>
6237 * function.h (enum function_frequency): Move declaration
6238 out of struct function.
6239 (struct function): Move bool fields and the enum to the bitfield
6240 section. Reorder elements to avoid padding. Remove unused
6241 fields left over from the RTL inliner removal.
6242 * function.c (free_after_compilation): Do not zero removed fields.
6243 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6244 (ipa-type-escape.o): Likewise.
6246 2006-06-16 Richard Guenther <rguenther@suse.de>
6248 * cgraph.h (struct cgraph_local_info): Turn bool elements
6250 (struct cgraph_node): Likewise.
6251 (struct cgraph_varpool_node): Likewise.
6253 2006-06-15 Richard Guenther <rguenther@suse.de>
6255 * fold-const.c (fold_truth_not_expr): Rename from
6256 invert_truthvalue. Give it fold_* semantics to avoid
6258 (invert_truthvalue): New function. Wrapper around
6259 fold_truth_not_expr.
6260 (optimize_minmax_comparison): Avoid creating garbage.
6261 (fold_unary): Use fold_truth_not_expr for folding
6263 (fold_ternary): Replace uses of invert_truthvalue with
6264 fold_truth_not_expr where applicable.
6265 * tree.h (fold_truth_not_expr): Prototype.
6267 2006-06-16 Richard Guenther <rguenther@suse.de>
6269 PR tree-optimization/27781
6270 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6271 * ipa-pure-const.c (target.h): Include.
6272 (analyze_function): Do not analyze functions that do not
6275 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6278 * tree-dfa.c (referenced_vars_dup_list): Remove.
6279 (find_referenced_vars): Remove assert.
6280 (referenced_var_check_and_insert): Replace dup list with assert.
6281 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6282 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6284 2006-06-15 Richard Guenther <rguenther@suse.de>
6286 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6287 extra unused identifiers if not dumping.
6288 (create_variable_info_for): Likewise.
6290 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6292 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6293 (derive_constant_upper_bound): Derive more precise upper bound in
6294 common cases. Return type changed to double_int.
6295 (record_estimate): Reflect the changed return type of
6296 derive_constant_upper_bound.
6297 * double-int.c (double_int_zext, double_int_sext): Fix.
6299 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6301 * configure.ac (CFLAGS): Get them from the toplevel or from the
6302 configure invocation.
6303 * configure: Regenerate.
6304 * Makefile.in (CFLAGS): Substitute value provided by configure.
6306 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6309 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6310 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6311 rather than calling add_stmt on it.
6312 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6314 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6317 * reload1.c (reload): Remove registers returned by update_eliminables
6318 from used_spill_regs.
6320 2006-06-13 DJ Delorie <dj@redhat.com>
6322 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6324 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6326 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6327 html__strip_dir, html__mkdir_p. Enhance install-html target.
6328 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6329 * configure: Regenerate.
6331 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6333 * fold-const.c (fold_cond_expr_with_comparison): Check for
6334 Objective-C++ as language in deciding COND_EXPR transformation.
6336 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6339 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6340 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6341 * config/sh/lib1funcs.h (SL, SL1): Define.
6342 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6343 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6344 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6345 (OBJS_Os_4_200): New variable.
6346 ($(T)libgcc-Os-4-200.a): Use it.
6347 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6348 when dividing 1 and/or by 0.
6350 2006-06-13 Roger Sayle <roger@eyesopen.com>
6352 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6353 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6354 * configure: Regenerate.
6356 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6358 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6359 for real instruction.
6361 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6364 * haifa-sched.c (check_cfg): Handle special case.
6366 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6369 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6370 Add debug_info parameter. Chain the vars to the BLOCK instead
6371 of the BIND_EXPR if debug info are requested for them.
6372 (pop_gimplify_context): Adjust for above change.
6373 (gimple_add_tmp_var): Likewise.
6374 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6376 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6377 (convert_local_reference): Likewise.
6378 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6379 (finalize_nesting_tree_1): Request that debug info be emitted
6380 for debug_var_chain.
6382 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6384 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6385 for PR target/27863.
6387 2006-06-13 Richard Guenther <rguenther@suse.de>
6390 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6392 2006-06-13 Richard Guenther <rguenther@suse.de>
6394 PR tree-optimization/27830
6395 * tree-inline.c (copy_body_r): For copying the operand
6396 of an ADDR_EXPR make sure to fold &* afterwards.
6398 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6400 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6401 lvalues in the fb_none case with side-effects.
6403 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6405 * tree-flow.h: Remove the prototype for
6406 compute_phi_arg_on_exit.
6407 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6408 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6411 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6413 * builtins.c (expand_builtin_return_addr): Only use
6414 frame_pointer_rtx when count == 0 and we are expanding
6415 __builtin_return_address.
6417 2006-06-12 Fred Fish <fnf@specifix.com>
6419 * config/mips/mips.c (mips_file_start): Create special section
6420 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6422 2006-06-11 Eric Christopher <echristo@apple.com>
6425 * stor-layout.c (place_field): Remove check for
6426 remaining_in_alignment when aligning at the end of a run.
6428 2006-06-11 Eric Christopher <echristo@apple.com>
6431 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6434 2006-06-11 Roger Sayle <roger@eyesopen.com>
6437 Revert incorrect fix for PR target/27158
6438 2006-05-08 Roger Sayle <roger@eyesopen.com>
6439 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6440 of a reg_equiv_constant if the result is a legitimate constant.
6442 2006-06-11 Roger Sayle <roger@eyesopen.com>
6445 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6446 extract a CONST_VECTOR element and interpret it as an integer.
6447 (vspltis_constant): Use const_vector_elt_as_int instead of the
6448 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6449 * config/rs6000/predicates.md (easy_vector_const): Consider
6450 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6452 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6455 * stor-layout.c (update_alignment_for_field): Don't add extra
6456 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6459 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6461 * config/mips/t-rtems: Add EL/EB multilib variants.
6463 2006-06-09 Mike Stump <mrs@apple.com>
6465 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6467 2006-06-09 David Daney <ddaney@avtrex.com>
6469 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6471 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6473 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6475 2006-06-09 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/26998
6478 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6479 of signed types, only TYPE_MIN_VALUE is special, but for both,
6480 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6481 in this case, as is -fwrapv.
6483 2006-06-08 Mike Stump <mrs@apple.com>
6486 * config/darwin.c (darwin_asm_output_anchor): Disable
6487 -fsection-anchors on darwin for now.
6488 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6489 * rs6000/rs6000.c (optimization_options): Likewise.
6491 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6494 * config/i386/i386.c (classify_argument): Skip fields with invalid
6497 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6499 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6500 (cse_insn): Likewise for the stack_pointer_rtx.
6502 2006-06-08 Roger Sayle <roger@eyesopen.com>
6504 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6505 conditions from floating point comparisons.
6507 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6510 * expmed.c (struct alg_hash_entry): Fix type of field T
6511 to match synth_mult argument.
6512 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6514 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6517 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6520 2006-06-08 Richard Guenther <rguenther@suse.de>
6523 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6524 only, if overflow is defined and not trapping.
6525 (negate_expr): Likewise.
6527 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6529 PR tree-optimization/27872
6530 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6531 flag on the new exit edge of the unrolled loop.
6533 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6535 PR rtl-optimization/26449
6536 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6538 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6541 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6542 referenced_variables with matching DECL_UID's.
6543 (find_referenced_vars): Make sure duplicate list is empty to start.
6544 (referenced_var_p): Remove.
6545 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6546 Check if var is in the list, and add if needed. Update the duplicate
6547 list if a different var is in the list with the same DECL_UID.
6548 (add_referenced_var): Call routine to check and insert.
6549 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6550 * tree-flow.h (referenced_vars_dup_list): External declaration.
6552 2006-06-07 Fred Fish <fnf@specifix.com>
6554 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6557 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6560 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6561 the imaginary and real parts of a clobbered register.
6562 Emit insn to set the imaginary part.
6564 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6566 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6567 in lieu of unwind-dw2-fde.c.
6569 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6571 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6573 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6576 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6577 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6578 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6579 V4SImode temporaries and operations instead.
6581 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6583 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6586 2006-06-06 Mike Stump <mrs@apple.com>
6588 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6589 installing during build.
6591 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6593 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6595 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6596 * config/ia64/ia64.c (params.h): New header.
6597 (ia64_optimization_options): New function to adjust parameters.
6598 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6599 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6600 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6602 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6604 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6606 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6609 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6611 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6612 Victor Kaplansky <victork@il.ibm.com>
6614 PR tree-optimization/26360
6615 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6618 2006-06-04 Roger Sayle <roger@eyesopen.com>
6619 Andrew Pinski <pinskia@physics.uc.edu>
6622 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6623 for LABEL_DECL before calling DECL_WEAK.
6626 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6627 LABEL_DECL and PARM_DECL.
6629 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6633 * c-decl.c (grokdeclarator): Disallow variably modified types at
6634 file scope. Avoid marking shared array type of constant size as
6637 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6640 * c-common.c (fold_offsetof_1): Handle static members.
6642 2006-06-04 Eric Christopher <echristo@apple.com>
6644 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6645 (debug_rli): Output value for remaining_in_alignment.
6646 (update_alignment_for_field): Unconditionalize
6647 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6648 extra alignment code.
6649 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6650 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6651 * tree.h (record_layout_info_s): Remove prev_packed.
6652 * doc/extend.texi (ms_struct): Add documentation of format.
6654 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6656 * tree.h: Declare folding_initializer.
6657 * builtins.c (fold_builtin_constant_p): Give definite answer
6658 if folding inside an initializer.
6659 * fold-const.c: Define folding_initializer.
6660 (START_FOLD_INIT): Save and then set folding_initializer.
6661 (END_FOLD_INIT): Restore folding_initializer.
6663 2006-06-04 Richard Guenther <rguenther@suse.de>
6665 PR tree-optimization/27039
6666 * fold-const.c (fold_comparison): Handle pointer comparison
6667 again for all comparison codes. Compare offsets in signed
6669 (fold_binary): Move code from here.
6671 2006-06-03 Roger Sayle <roger@eyesopen.com>
6674 * config/i386/i386.c (construct_container): Split static issued_error
6675 flag into issued_sse_arg_error, issued_sse_ret_error and
6676 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6677 requires the use of x87 registers and the user explicitly
6678 specified the -mno-80387 command line option.
6680 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6682 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6683 HAVE_DECL_SIGALTSTACK.
6685 (segv_handler): Use MC_FLD.
6686 * configure.ac: Check for a sigaltstack declaration.
6687 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6688 * configure: Regenerate.
6689 * config.in: Regenerate.
6691 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6694 * Makefile.in (stmp-fixinc): Fix typo.
6696 2006-06-02 Roger Sayle <roger@eyesopen.com>
6698 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6699 are type correct. Clean-up.
6700 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6701 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6703 2006-06-01 DJ Delorie <dj@redhat.com>
6705 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6706 shift, as we've disabled the "switch" insn that needs it.
6708 2006-06-01 Per Bothner <bothner@bothner.com>
6710 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6711 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6712 * c-ppoutput.c (cb_define): Don't increment line 0.
6714 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6716 * doc/invoke.texi: Add cpu_type power6.
6717 * config.gcc: Add cpu_type power6.
6718 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6719 to power5+ with Altivec.
6720 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6721 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6723 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6725 * config/avr/avr.h (SET_ASM_OP): Define.
6727 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6729 * config/bfin/bfin.c: Fix comment typos.
6731 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6734 * doc/install.texi: Document --enable-bootstrap and
6735 --disable-bootstrap.
6737 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6739 * doc/install.texi: Document that InfoZIP can replace jar.
6741 2006-05-31 Roger Sayle <roger@eyesopen.com>
6743 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6744 isn't available, directly generate the simpler x87 patterns without
6745 the (use (const_int 0)).
6746 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6747 implementation isn't available.
6748 (*negdf2_1): Likewise.
6749 (*negxf2_1): XF mode negation is always done using the x87.
6750 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6752 2006-05-31 Roger Sayle <roger@eyesopen.com>
6754 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6755 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6757 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6759 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6761 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6762 * config/bfin/bfin.c (basic-block.h): Include.
6763 (struct machine_function): New.
6764 (bfin_init_machine_status): New.
6765 (override_options): Initialize init_machine_status.
6766 (bfin_hardware_loop): New.
6767 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6768 (DEF_VEC_P (loop_info)): New.
6769 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6770 (struct loop_info): New.
6771 (loop_info): New typedef.
6772 (struct loop_work): New.
6773 (loop_work): New typedef.
6774 (DEF_VEC_O (loop_work)): New.
6775 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6776 (bfin_dump_loops): New.
6777 (bfin_bb_in_loop): New.
6778 (bfin_scan_loop): New.
6779 (bfin_optimize_loop): New.
6780 (bfin_reorg_loops): New.
6781 (bfin_reorg): Use bfin_reorg_loops.
6782 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6784 (I_REGNO_P): Simplify.
6785 (DP_REGNO_P, DPREG_P): New macros.
6786 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6787 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6788 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6789 Add LT_REGS, LC_REGS, LB_REGS.
6790 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6792 (REGNO_REG_CLASS): Deal with loop registers.
6793 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6795 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6796 New constants for loop registers.
6797 (UNSPEC_LSETUP_END): New.
6798 (seq_insns): New define_attr. Set it for appropriate insns.
6799 (movsi_insn): Add alternatives for move from/to
6800 loop count registers.
6801 (doloop_end): New define_expand.
6802 (loop_end): New define_insn.
6803 (define_split for bad doloop_end): New.
6804 (lsetup_with_autoinit): New define_insn.
6805 (lsetup_without_autoinit): New define_insn.
6806 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6807 * config/bfin/predicates.md (lc_register_operand): New.
6808 (lt_register_operand): New.
6809 (lb_register_operand): New.
6810 (nondp_register_operand): New.
6811 (nondp_reg_or_memory_operand): New.
6812 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6814 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6816 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6817 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6819 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6821 * Makefile.in (CATALOGS): Add po/ prefix.
6822 * configure: Regenerated.
6824 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6827 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6828 a shift operand before calling shift_op. Avoid redundant call of
6831 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6832 DJ Delorie <dj@redhat.com>
6834 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6835 we're inserting is a singlt-bit constant.
6837 2006-05-30 Roger Sayle <roger@eyesopen.com>
6839 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6840 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6842 2006-05-30 Roger Sayle <roger@eyesopen.com>
6844 PR tree-optimization/23452
6845 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6846 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6847 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6848 complex values and with -ffast-math for FP complex values.
6850 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6852 * c-common.h: Remove the prototype for yyparse.
6853 * rtl.h: Remove the prototype for init_loop.
6855 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6857 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6860 2006-05-30 Roger Sayle <roger@eyesopen.com>
6862 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6864 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6865 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6867 2006-05-30 Dirk Mueller <dmueller@suse.de>
6870 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6871 for CONSTANT_CLASS_P expresisons.
6873 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6876 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6878 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6880 PR tree-optimization/27779
6881 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6882 initial_condition instead of CHREC_LEFT.
6884 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6886 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6887 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6888 Make prototypes ISO C90.
6890 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6891 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6893 * see.c (see_analyze_one_def): Correct check.
6894 (see_get_extension_data): Check if extension is parallel.
6895 (see_get_extension_reg): Likewise.
6897 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6900 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6901 into register for (code == GTU).
6903 2006-05-29 Roger Sayle <roger@eyesopen.com>
6905 PR tree-optimization/24964
6906 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6907 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6908 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6909 abs(x)*abs(x) as x*x for scalar floating point modes.
6911 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6914 * lambda-code.c (perfect_nestify): Don't copy statements
6915 in the inner loop: move them to the inner loop header.
6917 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6920 * c-tree.texi: Document OpenMP directives and clauses.
6922 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6924 * varasm.c (globalize_decl): Fix indentation.
6926 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6929 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6930 pass_fre, pass_store_ccp, pass_copy_prop,
6931 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6932 pass_return_slot, pass_object_size, pass_lim,
6933 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6934 pass_loop_prefetch and pass_stdarg.
6936 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6938 * config/bfin/bfin.opt (mfdpic): New option.
6939 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6940 (EXTRA_MULTILIB_PARTS): Likewise.
6941 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6942 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6944 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6945 (CRT_CALL_STATIC_FUNCTION): New.
6946 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6948 (CRT_CALL_STATIC_FUNCTION): New.
6949 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6951 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6952 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6953 (initialize_trampoline): Changed to handle FD-PIC code generation.
6954 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6955 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6956 (override_options): Disallow -mid-shared-library -mfdpic combination.
6957 Can't do unaligned ops if FD-PIC.
6958 Turn off flag_pic if trying to generate non-id-shared-library
6959 non-fdpic code, since it's not supported.
6960 (bfin_assemble_integer): New function.
6961 (TARGET_ASM_INTEGER): Define.
6962 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6964 * config/bfin/crtn.s: Restore them.
6965 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6967 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6968 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6969 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6970 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6971 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6973 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6974 FDPIC_REGS and FDPIC_FPTR_REGS.
6975 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6976 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6977 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6978 (load_funcdescsi): New pattern.
6979 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6980 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6981 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6983 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6985 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6988 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6990 * tree-flow.h: Remove the prototype for add_type_alias.
6991 * tree-ssa-alias.c (add_type_alias): Remove.
6993 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6995 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6996 config/fr30/fr30.md, config/i386/i386-interix.h,
6997 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6998 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6999 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7000 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7001 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7002 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7003 Follow spelling conventions.
7004 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7005 Follow spelling conventions.
7007 2006-05-27 Richard Guenther <rguenther@suse.de>
7010 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7011 to produce a constant of value 1 of generic type.
7013 2006-05-27 Dirk Mueller <dmueller@suse.de>
7015 * cgraphunit.c (decide_is_function_needed): Fix wrong
7018 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7020 PR rtl-optimization/27661
7021 * reload.c (find_reloads): When reloading a VOIDmode constant
7022 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7023 use Pmode as mode of the reload register.
7025 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7027 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7028 is enabled at -O and above.
7030 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7033 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7036 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7039 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7040 for anonymous variables explicitly declared by front ends.
7042 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7044 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7045 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7046 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7047 ref-all pointers, run a finalization pass for them.
7048 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7049 (finalize_ref_all_pointers): New function.
7050 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7051 regular pointer type to a ref-all pointer type.
7052 (get_tmt_for): Return the special memory tag for ref-all pointers.
7054 2006-05-25 Richard Guenther <rguenther@suse.de>
7057 * fold-const.c (fold_binary): Do not look at the stripped
7058 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7060 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7062 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7063 for LT and GT if the computed range is effectively empty.
7065 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7068 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7069 mips_quad_format formats instead of ieee_single_format,
7070 ieee_double_format and ieee_quad_format formats, respectively.
7072 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7074 PR tree-optimization/27639
7075 PR tree-optimization/26719
7076 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7077 call to scev_probably_wraps_p.
7078 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7079 used_in_pointer_arithmetic_p, convert_step): Removed.
7080 (nowrap_type_p): New function.
7081 (scev_probably_wraps_p): Rewritten.
7082 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7083 chrec_convert if chrec_convert_aggressive might have been used.
7084 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7085 scev_direction): New functions.
7086 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7087 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7088 instead of convert_step.
7089 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7090 (convert_step): Declaration removed.
7091 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7093 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7095 * df-core.c: Added to header comments.
7096 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7097 df_ur_bb_info, df_urec_bb_info): Added comments.
7098 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7099 urec, ri problems): Fixed header comments.
7100 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7101 code from df_rd_transfer_function.
7103 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7105 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7106 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7107 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7109 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7111 * expr.c (undefined_operand_subword_p): New.
7112 (emit_move_multi_word): Do not generate move from undefined bits
7113 of a paradoxical subreg.
7115 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7117 PR rtl-optimization/27736
7118 * combine.c (replaced_rhs_value): New variable.
7119 (combine_instructions): Set it.
7120 (distribute_notes): When distributing a note in replaced_rhs_insn,
7121 check whether the value was used in replaced_rhs_value.
7123 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7126 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7127 add_referenced_var instead of add_referenced_tmp_var.
7128 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7129 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7131 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7132 tree_optimize_tail_calls_1): Use add_referenced_var.
7133 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7134 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7135 Use add_referenced_var.
7136 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7137 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7138 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7139 Use add_referenced_var.
7140 * tree-dfa.c (struct walk_state): Remove.
7141 (find_referenced_vars): Remove walk state and vars_found hash table.
7142 (make_rename_temp): Use add_referenced_var.
7143 (find_vars_r): Pass less parameters to add_referenced_var.
7144 (referenced_var_p): New. Is var in referenced_var hash table.
7145 (referenced_var_insert): Assert var isn't already in hash table.
7146 (add_referenced_var): Don't need walk_state parameter. Add var if it
7147 isn't already in the hash table.
7148 (add_referenced_tmp_var): Remove.
7149 (find_new_referenced_vars_1): Use add_referenced_var.
7150 * tree-ssa-pre.c (create_expression_by_pieces,
7151 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7152 Use add_referenced_var.
7153 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7154 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7155 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7157 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7158 vect_create_data_ref_ptr, vect_create_destination_var,
7159 vect_init_vector, vect_build_loop_niters,
7160 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7161 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7162 Use add_referenced_var.
7163 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7164 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7165 (add_referenced_var): Add prototype.
7166 * tree-ssa-structalias.c (get_constraint_for,
7167 intra_create_variable_infos): Use add_referenced_var.
7169 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7171 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7172 big-endian paradoxical subregs.
7173 * var-tracking.c (struct micro_operation_def): Document that,
7174 for modify micro operations, insn is the subsequent instruction.
7175 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7176 (var_reg_set, var_mem_set): ... new functions.
7177 (add_stores): Record subsequent insn.
7178 (compute_bb_dataflow): Use new functions for MO_USE.
7179 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7180 notes after the insn, and modify notes before the insn known
7181 to be the subsequent one.
7182 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7184 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7187 * config/i386/i386.c (ix86_expand_builtin): Use
7188 gen_sse3_monitor64 for TARGET_64BIT.
7190 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7192 PR rtl-optimization/26375
7193 PR rtl-optimization/26855
7194 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7196 (df_ru_bb_local_compute): Reversed statements and removed bogus
7197 comment explaining why they should be in wrong order.
7198 (df_ru_dump, df_rd_dump): Enhanced debug info.
7199 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7201 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7202 reaching uses and fixed space problem.
7204 2006-05-23 Jan Hubicka <jh@suse.cz>
7206 * cgraphunit.c (decide_is_function_needed): Also nested functions
7207 and functions declared inline can be optimized out at -O0.
7209 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7211 * doc/install.texi (Configuration): Remove reference to CrossGCC
7215 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7218 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7219 ix86_compare_emitted is non-NULL.
7221 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7224 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7227 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7229 PR rtl-optimization/25514
7230 * combine.c (replaced_rhs_insn): New variable.
7231 (combine_instructions): Set replaced_rhs_insn when trying to replace
7232 a SET_SRC with a REG_EQUAL note.
7233 (distribute_notes): Use replaced_rhs_insn when determining the live
7234 range of a REG_DEAD register.
7236 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7237 Anatoly Sokolov <aesok@post.ru>
7239 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7240 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7241 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7242 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7243 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7244 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7245 at90usb647, at90usb1286 and at90usb1287 devices.
7246 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7247 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7249 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7251 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7253 2006-05-22 Richard Guenther <rguenther@suse.de>
7256 2006-01-31 Richard Guenther <rguenther@suse.de>
7257 Paolo Bonzini <bonzini@gnu.org>
7259 * doc/install.texi (--disable-libgcc-math): Document.
7261 2006-05-22 Richard Guenther <rguenther@suse.de>
7264 2006-01-31 Richard Guenther <rguenther@suse.de>
7266 * doc/invoke.texi (-msselibm): Document.
7267 * target.h (expand_library_builtin): New target hook.
7268 * builtins.c (expand_builtin): Use expand_library_builtin.
7269 (default_expand_library_builtin): New function.
7270 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7271 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7272 (link_gcc_math_spec): Declare.
7273 (static_specs): Add link_gcc_math_spec.
7274 * expr.h (default_expand_library_builtin): Declare.
7275 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7276 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7277 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7278 * config/i386/i386.opt (msselibm): New target option.
7279 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7280 (ix86_init_sse_abi_builtins): New function.
7281 (ix86_expand_library_builtin): Likewise.
7282 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7283 (override_options): Handle error conditions wrt -msselibm.
7284 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7285 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7286 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7289 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7292 * c-common.c (self_promoting_args_p): Skip erroneous args.
7295 * c-decl.c (finish_struct): Skip erroneous fields.
7297 2006-05-22 Nick Clifton <nickc@redhat.com>
7299 * config/cris/cris.opt (march): Remove VarExists attribute.
7300 (max-stackframe=): Likewise.
7302 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7304 * doc/rtl.texi: Fix a typo.
7305 * see.c: Fix comment typos.
7307 * tree-ssa-structalias.h (alias_info): Remove num_references.
7309 2006-05-21 Mike Stump <mrs@apple.com>
7311 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7313 (darwin_pragma_options): Use BAD instead.
7314 (darwin_pragma_unused): Likewise.
7315 (darwin_pragma_ms_struct): Likewise.
7317 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7319 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7321 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7323 PR rtl-optimization/27671
7324 * simplify-rtx.c (simplify_relational_operation_1): Fix
7325 simplifications of (eq/ne (xor x y) y) and
7326 (eq/ne (xor x y) x).
7328 PR tree-optimization/26622.
7329 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7332 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7334 * tree-cfg.c: Prune whitespace.
7335 (debug_tree_cfg): Point to correct header containing the
7338 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7341 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7343 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7346 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7347 or sorry count is non zero.
7349 2006-05-20 Andreas Schwab <schwab@suse.de>
7351 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7353 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7354 Kenneth Zadeck <zadeck@naturalbridge.com>
7356 PR rtl-optimization/26855
7358 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7360 (df_scan_alloc): Added code to properly handle multiword hard
7361 registers and add all_blocks parameter.
7362 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7363 code to properly handle multiword hard registers.
7364 (df_rescan_blocks): Added code to remove deleted blocks from
7366 (df_ref_create_structure, df_ref_record): Added code to properly
7368 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7369 and set DF_REF_PARTIAL.
7370 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7371 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7372 (df_scan_add_problem): Added flags parameter.
7373 (df_ref_create_structure): Changed switching structure.
7374 (df_bb_refs_record): Fixed case where duplicate artificial refs
7375 were created. Changed location of flags.
7376 (df_record_entry_block_defs): Added code to make stack pointer
7377 live in entry block. Refined cases where frame pointer is needed.
7378 Changed location of flags.
7379 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7380 (df_set_state): Removed function.
7381 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7382 df_insn_create_insn_record, df_insn_refs_delete,
7383 df_ref_create_structure): Formatting changes.
7384 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7385 df_delete_basic_block): New function.
7386 (df_init): Changed location of flags.
7387 (df_add_problem): Added flags parameter and the way flags are
7389 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7390 debug_df_chain): Improved debugging output.
7391 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7392 (df_refs_chain_dump): Removed df parameter.
7393 (df_iterative_dataflow): Added consistency check.
7394 (df_prune_to_subcfg): Made public.
7395 (df_analyze_problem): Added blocks_to_init parameter and made
7397 (df_ref_record, df_bb_refs_record, df_mark_reg,
7398 df_record_exit_block_uses): Whitespace changes.
7399 (df_dump): Whitespace changes.
7400 * df.h: Some reordering to remove forward references.
7401 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7402 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7403 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7404 (dataflow.flags): New field.
7405 (df.flag): Deleted field.
7406 (df_alloc_function): Added additional bitmap parameter.
7407 (df_dependent_problem_function): New type.
7408 (df_problem.changeable_flags): New field.
7409 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7410 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7411 (df_mw_hardreg): New struct.
7412 (DF_INSN_UID_MWS): New macro.
7413 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7415 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7416 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7417 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7418 (df_set_state): Removed function.
7419 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7420 * df-problems.c (df_chain_dump): Removed df parameter.
7421 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7422 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7424 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7425 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7426 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7427 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7428 DF_REF_MUST_CLOBBER cases.
7429 (df_ru_bb_local_compute_process_def,
7430 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7431 df_lr_bb_local_compute, df_ur_bb_local_compute,
7432 df_chain_create_bb): Made subreg aware.
7433 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7434 df_lr_bb_local_compute, df_lr_bb_local_compute,
7435 df_chain_create_bb): Cleanup to use proper macros.
7436 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7437 code to fixup bitvectors.
7438 (df_ri_alloc): Cleared lifetime.
7439 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7440 df_create_unused_note): New function.
7441 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7442 REG_DEAD and REG_UNUSED notes as well as register information.
7443 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7444 df_chains_dump): Fixed crash if problem was never run.
7445 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7446 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7447 df_ri_add_problem): Processes flags in uniform manner.
7448 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7449 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7450 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7451 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7452 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7453 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7454 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7455 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7456 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7457 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7458 * see.c (see_initialize_data): Ditto.
7459 * final.c (rest_of_clean_state) Added regstack_completed.
7460 * rtl.h (regstack_completed): Ditto.
7461 * reg-stack.c (regstack_completed): Ditto.
7463 2006-05-19 Mike Stump <mrs@apple.com>
7465 * c-tree.h (default_conversion): Remove.
7466 * c-common.h (default_conversion): Add.
7468 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7470 * tree-vrp.c (valid_value_p): New function.
7471 (adjust_range_with_scev): Fail if the value of bound is not
7474 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7476 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7477 (mips_fallback_frame_state): Use syscall numbers to determine
7478 the appropriate li instruction for the current ABI. Only use
7479 __NR_sigreturn for o32.
7481 2006-05-19 Nicolas Setton <setton@adacore.com>
7483 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7484 * langhooks.c (lhd_dwarf_name): New function.
7485 * langhooks-def.h (lhd_dwarf_name): Declare.
7486 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7487 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7488 * ada/misc.c (gnat_dwarf_name): New function.
7489 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7491 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7493 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7495 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7496 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7497 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7498 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7499 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7500 determine the size of Wtype, etc.
7501 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7502 (swfloatfuncs): New variable.
7503 (dwfloatfuncs): Likewise.
7504 (lib2funcs): Remove floating-point conversion functions from
7505 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7506 the set of conversion routines needed. Allow entries to specify
7507 an object name, filename and word size. Update users accordingly.
7508 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7509 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7513 2006-02-08 Roger Sayle <roger@eyesopen.com>
7516 * config/fixtfdi.c: New libgcc source file.
7517 * config/fixunstfdi.c: New source file.
7518 * config/floatditf.c: New source file.
7519 * config/floatunditf.c: New souce file.
7520 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7521 files above instead of config/mips/_tilib.c.
7522 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7524 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7526 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7527 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7529 2006-05-18 Mike Stump <mrs@apple.com>
7531 Fix up vla, vm and [*] sematics.
7537 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7538 (c_vla_unspec_p): Add.
7539 (c_vla_type_p): Add.
7540 * c-decl.c (struct c_scope): Add had_vla_unspec.
7541 (build_array_declarator): Add support for [*].
7542 (grokdeclarator): Likewise.
7543 (grokparms): Likewise.
7544 (get_parm_info): Likewise.
7545 * c-objc-common.c (c_vla_unspec_p): Likewise.
7546 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7547 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7548 typeof when argument is a variably modified type not inside sizeof or alignof.
7549 (c_parser_direct_declarator_inner): Propagate errors.
7550 (c_parser_sizeof_expression): Add support for [*].
7551 (c_parser_parms_declarator): Initialize had_vla_unspec.
7552 (c_parser_parms_list_declarator): Likewise.
7553 * c-typeck.c (c_vla_type_p): Add.
7554 (composite_type): Add support for vla compositing.
7555 (comptypes_internal): Add support for vla compatibility.
7556 (c_expr_sizeof_expr): Evaluate vla arguments.
7557 * tree.c (variably_modified_type_p): Update comment for [*].
7559 2006-05-18 Michael Matz <matz@suse.de>
7562 * config.host: Make assignments to host_xmake_file cumulative.
7563 * config.host (*-darwin*): Test $host, not $target.
7565 2006-05-12 Stuart Hastings <stuart@apple.com>
7567 * config/i386/i386.opt (-mstackrealign): New flag.
7568 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7569 (ix86_handle_cconv_attribute): Emit error when
7570 force_align_arg_pointer attribute collides with too many regparms.
7571 (ix86_function_regparm): Limit regparms when used with
7572 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7573 Support stack-realigning prologue in non-main functions. Emit
7574 warning for nested functions under -mstackrealign, emit error for
7575 nested functions with force_align_arg_pointer attribute.
7576 * doc/extend.texi (force_align_arg_pointer): Document it.
7577 * doc/invoke.texi (-mstackrealign): Document it.
7579 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7581 PR rtl-optimization/27477
7582 * combine.c (try_combine): Don't split a parallel consisting
7583 of two sets into two individual sets if both sets reference
7586 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7588 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7589 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7591 * doc/options.texi (VarExists): Updated.
7593 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7595 * unwind-dw2.c: Add declarations for uw_update_context and
7597 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7598 detected, advance frame state and context once to skip over stub.
7600 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7604 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7605 Call rewrite_into_loop_closed_ssa only when something changed.
7606 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7607 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7608 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7609 Test for perfect_nest_p here. Fix formating.
7610 (replace_uses_equiv_to_x_with_y): Fix formating.
7611 (stmt_uses_op): Removed.
7612 (can_convert_to_perfect_nest): Removed loopivs parameter.
7613 Complete the test by checking the scalar dependences.
7614 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7617 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7620 From Dan Kegel <dank@kegel.com>:
7621 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7623 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7625 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7626 if the element type is variably modified without recursing.
7628 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7631 * tree-loop-linear.c (try_interchange_loops): Test for
7632 no data dependences.
7634 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7636 PR tree-optimization/27548
7637 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7638 range of ssa names that appear on abnormal edges.
7639 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7640 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7642 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7645 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7647 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7650 * tree.h (OMP_PARALLEL_COMBINED): Define.
7651 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7652 (new_omp_context): Add is_combined_parallel argument.
7653 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7654 new_omp_context caller.
7655 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7656 Adjust gimplify_scan_omp_clauses callers.
7657 (omp_is_private): Issue errors if iteration variable is firstprivate
7658 or reduction in the current context.
7659 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7660 on combined parallel workshare constructs.
7662 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7664 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7665 (gcc-options.o): New rule.
7667 * optc-gen.awk: Protect variables for gcc-options.o with
7668 #ifdef GCC_DRIVER/#endif.
7670 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7672 Fix PR tree-optimization/27373
7673 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7674 (forward_propagate_addr_expr): Update call.
7676 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7678 * doc/options.texi: Move the Negative option.
7680 2006-05-16 Richard Guenther <rguenther@suse.de>
7682 PR tree-optimization/22303
7683 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7685 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7686 ccp_fold did not simplify the statement.
7688 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7691 * Makefile.in (GCC_OBJS): New.
7692 (OBJS-common): Add opts-common.o.
7693 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7694 (cpp$(exeext)): Likewise.
7695 (gcc.o): Also depend on opts.h.
7696 (opts-common.o): New.
7698 * common.opt (gcoff): Add Negative(gdwarf-2).
7699 (gdwarf-2): Add Negative(gstabs).
7700 (gstabs): Add Negative(gstabs+).
7701 (gstabs+): Add Negative(gvms).
7702 (gvms): Add Negative(gxcoff).
7703 (gxcoff): Add Negative(gxcoff+).
7704 (gxcoff+): Add Negative(gcoff).
7705 * config/i386/i386.opt (m32): Add Negative(m64).
7706 (m64): Add Negative(m32).
7708 * doc/options.texi: Document the Negative option.
7710 * gcc.c: Include "opts.h".
7711 (main): Call prune_options after expandargv.
7713 * optc-gen.awk: Generate common declarations for all flag
7714 variables in options.c. Output the neg_index field.
7716 * opts.c (find_opt): Moved to ...
7717 * opts-common.c: Here. New file.
7719 * opts.h (cl_option): Add a neg_index field.
7721 (prune_options): Likewise.
7723 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7726 * omp-low.c (expand_omp_parallel): Don't assert
7727 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7728 instead search for it.
7731 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7734 2006-05-16 Andreas Schwab <schwab@suse.de>
7736 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7739 2006-05-15 Roger Sayle <roger@eyesopen.com>
7742 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7743 integer constants other than zero are only legitimate on TARGET_64BIT.
7744 <CONST_VECTOR> Only zero vectors are legitimate.
7745 (ix86_cannot_force_const_mem): Integral and vector constants can
7746 always be put in the constant pool.
7748 2006-05-16 DJ Delorie <dj@redhat.com>
7750 * crtstuff.c (__dso_handle): Set section from
7751 TARGET_LBIGCC_SDATA_SECTION if defined.
7752 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7753 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7755 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7758 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7761 2006-05-16 Ben Elliston <bje@au.ibm.com>
7763 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7765 2006-05-15 Per Bothner <per@bothner.com>
7767 * tree.c: (last_annotated_node): Use source_locus typedef.
7768 This permits bootstrapping with --enable-mapped-location.
7770 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7772 PR tree-optimization/26830
7773 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7774 (info_for_ssa_name, current_info_for_ssa_name_age,
7775 blocks_to_update): New variables.
7776 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7777 (clear_ssa_name_info, initialize_flags_in_bb,
7778 mark_block_for_update): New functions.
7779 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7780 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7781 prepare_def_site_for): Use mark_block_for_update.
7782 (mark_def_interesting): Assert that the processed block is marked in
7783 blocks_to_update. Do not take blocks argument.
7784 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7786 (rewrite_update_init_block, rewrite_update_stmt): Only process
7787 blocks with statements to rewrite.
7788 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7789 (update_ssa): Initialize and free blocks_to_update. Do not
7790 clear flags on statements. Do not use blocks bitmap.
7791 * tree.h (SSA_NAME_AUX): Removed.
7792 (struct tree_ssa_name): Removed aux field.
7793 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7795 2006-05-15 Richard Guenther <rguenther@suse.de>
7797 PR tree-optimization/27603
7798 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7799 Do computations in original type.
7801 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7803 * see.c: Code style changes such as redundant paranthesis,
7804 redundant intialization of local variables etc.
7805 (see_main): Declared now as static.
7806 * doc/invoke.texi: Update that -fsee is not enabled by
7809 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7811 * omp-low.c (check_omp_nesting_restrictions): New function.
7812 (scan_omp_1): Call it.
7815 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7816 construct, return *VAR.
7818 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7820 PR rtl-optimization/27406
7821 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7824 2006-05-14 Roger Sayle <roger@eyesopen.com>
7826 PR rtl-optimization/27538
7827 * combine.c (expand_compound_operation): Call gen_lowpart
7828 before calling simplify_shift_const.
7830 2006-05-14 Roger Sayle <roger@eyesopen.com>
7832 PR rtl-optimization/22563
7833 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7834 a fixed width bitfield, always force the intermediates into psuedos.
7836 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7839 * mkconfig.sh: Use operator = instead of == for test.
7841 2006-05-13 Nick Clifton <nickc@redhat.com>
7843 * dwarf2out.c (dbx_reg_number): Check return value from
7844 LEAF_REG_REMAP and only use it if it is valid.
7845 (multiple_reg_loc_descriptor): Likewise.
7847 2006-05-13 Richard Guenther <rguenther@suse.de>
7849 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7852 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7854 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7855 information attached to non-INSNs such as NOTEs.
7856 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7858 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7860 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7862 * config/s390/s390.md: Adjust comment describing On constraint.
7864 2006-05-11 Jan Hubicka <jh@suse.cz>
7866 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7867 to be output at -O0.
7869 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7872 * fold-const.c (size_binop): Move sanity check for arguments to
7873 the beginning of the function.
7876 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7879 2006-05-11 Richard Guenther <rguenther@suse.de>
7882 * fold-const.c (fold_unary): Handle intermediate conversion
7883 to a pointer type like intermediate conversion to an integer
7884 type in folding of (T1)(T2)var to var.
7885 Match the code to the comment in the final conversion for
7886 (T1)(T2)var to (T1)var regarding to type precision. Rather
7887 than disallow T1 being of pointer type, assert that both T1
7888 and var are of pointer type or not. Make sure not to fall
7889 over the frontends lazyness wrt array to pointer decay though.
7891 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7893 * arm.c (arm_struct_value_rtx): Delete.
7894 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7895 (arm_init_cumulative_args): Always initialize nregs to zero.
7897 2006-05-10 Richard Guenther <rguenther@suse.de>
7899 PR tree-optimization/27532
7900 * tree-object-size.c (plus_expr_object_size): Fix typo.
7902 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7905 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7906 ashrdi_const, ashrdi3): Use a scratch register.
7908 2006-05-10 Richard Guenther <rguenther@suse.de>
7910 PR tree-optimization/27302
7911 * fold-const.c (operand_equal_p): For two comparisons,
7912 try comparison of one comparison code swapped if that yields
7915 2006-05-10 Ben Elliston <bje@au.ibm.com>
7917 * tree-pretty-print.c (pretty_print_string): No need to handle
7918 '\0' as a special character.
7920 * tree.h: Include "hashtab.h".
7921 (iterative_hash_expr): Use hashval_t in its prototype.
7922 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7924 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7927 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7928 (hppa*64*-*-hpux11*): Ditto.
7929 (hppa[12]*-*-hpux11*): Ditto.
7931 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7934 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7936 2006-05-09 Michael Matz <matz@suse.de>
7938 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7939 host_extra_gcc_objs and host_xmake_file.
7940 (<*-*-linux*>): Don't overwrite host_xmake_file.
7941 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7942 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7943 (host_detect_local_cpu): Declare.
7944 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7945 * config/i386/i386.c (override_options): Handle -mtune=native
7947 * config/i386/x-i386: New file.
7948 * config/i386/driver-i386.c: New file.
7949 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7952 2006-05-09 Dirk Mueller <dmueller@suse.de>
7953 Richard Guenther <rguenther@suse.de>
7956 * fold-const.c (fold_read_from_constant_string): Relax check
7957 for matching types to matching modes.
7959 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7961 PR rtl-optimization/27335
7962 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7965 2006-05-08 Chao-ying Fu <fu@mips.com>
7966 Richard Sandiford <richard@codesourcery.com>
7968 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7969 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7970 * config/mips/mips.md (UNSPEC_SCC): New constant.
7971 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7972 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7973 (mips_emit_compare): Use it.
7974 (mips_expand_vcondv2sf): New function.
7976 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7978 Fix PR tree-optimization/27093
7979 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7980 renaming when they become not-used_alone.
7982 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7984 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7985 relocation and relocation stubs.
7987 2006-05-08 Eric Christopher <echristo@apple.com>
7989 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7992 2006-05-08 Jan Hubicka <jh@suse.cz>
7995 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7996 unused static functions are needed.
7998 2006-05-08 Roger Sayle <roger@eyesopen.com>
8001 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8002 of a reg_equiv_constant if the result is a legitimate constant.
8004 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8007 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8008 standard 80387 constants, raise the cost to prevent
8009 compress_float_constant() to generate load from memory.
8011 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8013 * config/arm/constraints.md (c): Fix a typo.
8015 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8018 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8021 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8023 (_mm_mwait): Likewise.
8025 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8027 (sse3_monitor): Make it 32bit only.
8028 (sse3_monitor64): New. 64bit monitor.
8030 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8033 * config/i386/i386.c (classify_argument): Skip fields with invalid
8036 2006-05-07 Richard Guenther <rguenther@suse.de>
8038 PR tree-optimization/27409
8039 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8040 Do not try to find zero-sized subvars.
8042 2006-05-07 Richard Guenther <rguenther@suse.de>
8044 PR tree-optimization/27136
8045 * tree-ssa-loop-niter.c (get_val_for): Correct function
8046 comment, assert requirements.
8047 (loop_niter_by_eval): Stop processing if the iterated
8048 value did not simplify.
8050 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8052 * opts.c (flag_see): remove its setting at -O3.
8054 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8056 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8057 * arm/constraints.md: New file.
8058 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8059 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8060 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8061 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8062 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8063 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8064 * arm.md: Include constraints.md.
8065 (thumb_movsi_insn): Use satisfies_constraint_J.
8066 (movhi, movqi): Use satisfies_constraint_I.
8068 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8070 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8071 for atmeg a645 device.
8073 2006-05-06 Richard Guenther <rguenther@suse.de>
8075 PR tree-optimization/27151
8076 * tree-vect-transform.c (vectorizable_condition): Punt on
8077 values that have a different type than the condition.
8079 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8082 * c-parser.c (c_parser_cast_expression): Only insert casts into
8083 hash table if pointer.
8084 * function.c (used_types_insert_helper): Rename from
8086 (used_types_insert): Call used_types_insert_helper.
8087 * function.h (used_types_insert): Accept only one argument.
8089 2006-05-05 David Edelsohn <edesohn@gnu.org>
8091 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8092 scratch with output modifier.
8094 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8097 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8098 with output modifier.
8100 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8103 * config/mips/mips.c (mips_symbolic_address_p): Return true
8104 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8105 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8107 2006-05-04 Richard Guenther <rguenther@suse.de>
8109 PR tree-optimization/14287
8110 PR tree-optimization/14844
8111 PR tree-optimization/19792
8112 PR tree-optimization/21608
8113 PR tree-optimization/27090
8114 * tree-ssa-pre.c (try_combine_conversion): New function.
8115 (compute_avail): After constructing the value-handle
8116 expression, use try_combine_conversion to combine NOP_EXPRs
8117 with previous value-handle expressions and use the result if it
8120 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8122 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8124 2006-05-04 Jan Hubicka <jh@suse.cz>
8127 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8129 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8131 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8132 that this only matches CONST_INTs. All users changed to VOIDmode
8135 * config/bfin/bfin.c: Include "optabs.h".
8136 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8138 (enum bfin_builtins): Add a number of fractional and vector builtins.
8139 (bfin_init_builtins): Likewise.
8140 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8141 (safe_vector_operand, bfin_expand_binop_builtin,
8142 bfin_expand_unop_builtin): New functions.
8143 (bfin_expand_builtin): Handle the new builtins.
8144 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8147 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8150 * Makefile.in (OBJS-common): Add see.o.
8151 (see.o): Add dependencies.
8152 * common.opt (fsee): New flag for the see optimization was added.
8153 * opts.c (flag_see): Initialized.
8154 * passes.c (init_optimization_passes, pass_see): New pass.
8155 * rtl.h (see_main): Declaration as extern.
8156 * timevar.def (TV_SEE): New.
8157 * tree-pass.h (pass_see): Declaration as extern.
8158 * invoke.texi (-fsee): Document.
8159 * recog.c (validate_simplify_insn): New function.
8160 * recog.h (validate_simplify_insn): Declaration as extern.
8161 * df-problems.c (df_chain_dump): Check for NULL.
8163 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8164 Daniel Berlin <dberlin@dberlin.org>
8166 * cfgrtl.c (insert_insn_bb_end_new): New function.
8167 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8169 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8171 * df.h (struct web_entry): Moved from web.c.
8172 (union_defs): Declaration as extern.
8173 (unionfind_root): Likewise.
8174 (unionfind_union): Likewise.
8175 * web.c (struct web_entry): Moved to df.h.
8176 (unionfind_root): Remove static declaration.
8177 (unionfind_union): Likewise.
8178 (union_defs): Likewise and generalize to use callback function.
8179 (web_main): Update arguments for union_defs function call.
8181 2006-05-04 Richard Guenther <rguenther@suse.de>
8183 PR tree-optimization/26447
8184 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8185 produce SSA_NAME copies before the store stmt to avoid
8186 breaking exception handling.
8188 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8191 * gimplify.c (omp_is_private): If var is shared in some outer context,
8192 return false instead of true. Stop searching on parallel context
8195 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8198 * coverage.c: Use get_gcov_unsigned_t() instead of
8199 unsigned_type_node all over.
8201 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8203 PR tree-optimization/27381
8204 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8205 maintain the same immediate_use links.
8206 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8207 node rather than segfaulting.
8209 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8212 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8213 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8214 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8216 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8218 Fix PR tree-optimization/26626
8219 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8221 * tree-ssa-operands.c (access_can_touch_variable): Allow
8222 typecasting through union pointers.
8224 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8227 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8228 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8229 to find if var will be a global variable even in the nested context.
8230 (omp_copy_decl): Only check for global variable at the end, it might
8231 be overridden in outer contexts.
8232 (scan_sharing_clauses): For global variables don't create a field.
8233 (lower_rec_input_clauses): Do nothing for global shared variables.
8234 Emit a barrier at the end of ILIST if there were any decls in both
8235 firstprivate and lastprivate clauses.
8236 (lower_send_clauses): Do nothing for global variables except for
8239 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8241 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8242 of the correct signedness is returned.
8244 2006-05-02 Jeff Law <law@redhat.com>
8246 PR tree-optimization/27364
8247 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8248 multiply expressions.
8250 2006-05-02 Tom Tromey <tromey@redhat.com>
8252 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8254 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8257 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8258 -mthumb -fPIC are used.
8260 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8261 Joshua Kinard <kumba@gentoo.org>
8264 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8265 with 64-bit pointers.
8267 2006-05-02 Paul Brook <paul@codesourcery.com>
8269 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8271 (create_fix_barrier): Check that a suitable barrier location is
8273 (arm_reorg): Include ftmp->address in allowable range of addresses.
8275 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8278 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8281 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8284 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8285 around RESULT_DECL for result passed by reference.
8286 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8287 * omp-low.c (use_pointer_for_field): Don't look at
8288 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8289 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8290 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8291 time or var for passing by reference for
8292 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8293 TREE_ADDRESSABLE variables when passing by reference.
8295 * omp-low.c (dump_omp_region): Fix output formatting.
8298 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8299 (expand_omp_parallel): Likewise.
8300 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8303 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8304 on statement list containing also constructors and destructors.
8305 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8308 * except.c (duplicate_eh_regions): Fix clearing of
8309 cfun->eh->region_array entries.
8311 2006-05-01 DJ Delorie <dj@redhat.com>
8313 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8315 (gcc_cv_objdump): Likewise.
8316 * configure: Regenerated.
8318 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8321 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8322 templates for case 3 and 4.
8324 2006-05-01 DJ Delorie <dj@redhat.com>
8326 * vec.c: Include bconfig.h when appropriate.
8327 * Makefile.in (build/vec.o): Adjust dependencies.
8328 * mkconfig.sh: Make sure config.h isn't used for build machine
8331 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8333 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8335 (mark_phi_for_rewrite): New function.
8336 (insert_phi_nodes_for, mark_use_interesting): Call
8337 mark_phi_for_rewrite.
8338 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8339 (update_ssa): Initialize and free phis_to_rewrite.
8341 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8343 PR rtl-optimization/27291
8344 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8345 folded to a constant.
8347 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8349 PR tree-optimization/27283
8350 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8351 not whole # of iteration descriptions.
8352 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8353 uses abnormal ssa name.
8354 (niter_for_single_dom_exit): Ditto.
8355 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8356 return just the number of iterations.
8358 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8360 PR tree-optimization/27144
8361 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8362 (record_estimate): Only record constant upper bound.
8363 (infer_loop_bounds_from_undefined): Call
8364 compute_estimated_nb_iterations just once.
8365 (proved_non_wrapping_p): Renamed to ...
8366 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8367 (convert_step_widening, scev_probably_wraps_p): Call
8368 n_of_executions_at_most instead of proved_non_wrapping_p.
8369 (substitute_in_loop_info): Do not replace values in bounds.
8370 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8373 2006-05-01 Richard Henderson <rth@redhat.com>
8376 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8377 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8380 2006-05-01 Roger Sayle <roger@eyesopen.com>
8382 * c-typeck.c (parser_build_binary_op): Don't call the function
8383 unsigned_conversion_warning to spot operand/result type overflow.
8384 (build_binary_op): Instead, call convert_and_check instead of
8385 convert to report the problem when the operands are promoted.
8386 * c-common.c (unsigned_conversion_warning): Make static.
8387 * c-common.h (unsigned_conversion_warning): Delete prototype.
8389 2006-05-01 Richard Guenther <rguenther@suse.de>
8391 PR tree-optimization/26726
8392 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8394 (find_interesting_uses_address): ... we work around here
8395 by folding INDIRECT_REFs in the substituted base.
8397 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8399 * omp-low.c (dump_omp_region): Add newlines.
8401 2006-04-30 Roger Sayle <roger@eyesopen.com>
8403 * common.opt (Woverflow): New command line option.
8404 * c-common.c (constant_expression_warning): Check warn_overflow.
8405 (overflow_waring): Pass OPT_Woverflow to warning.
8406 (unsigned_conversion_warning): Likewise.
8407 (convert_and_check): Likewise.
8408 * doc/invoke.texi: Document new command line option.
8410 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8412 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8413 TARGET_NO_FP_IN_TOC for section anchors.
8414 (optimization_options): Enable section anchors for all
8415 non-"Objective" languages.
8417 2006-04-28 Eric Christopher <echristo@apple.com>
8419 * config/darwin-c.c (darwin_ms_struct): Move this
8420 (darwin_set_default_type_attributes): and this...
8421 * config/darwin.c: ... here.
8422 * config/darwin.h (darwin_ms_struct): Declare.
8424 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8426 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8428 2006-04-28 Roger Sayle <roger@eyesopen.com>
8431 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8432 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8433 an unsigned HOST_WIDE_INT.
8434 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8436 (really_start_incremental_init): No need to call convert because
8437 bitsize_zero_node is already of type bitsizetype.
8438 (push_init_level): Extract the value of constructor_index as an
8439 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8440 (process_init_element): Likewise.
8442 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8444 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8445 value before passing to make_relative_prefix.
8447 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8450 * builtins.c (expand_builtin_memset): Expand val in original mode.
8452 2006-04-27 Eric Christopher <echristo@apple.com>
8454 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8455 with #ifndef/#endif.
8456 * config/darwin-c.c (darwin_ms_struct): New.
8457 (darwin_pragma_ms_struct): Ditto.
8458 (darwin_set_default_type_attributes): Ditto.
8459 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8460 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8461 Register ms_struct pragma.
8462 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8463 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8464 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8465 darwin_set_default_type_attributes if TARGET_MACHO.
8467 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8469 PR tree-optimization/26854
8470 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8471 * doc/tree-ssa.texi: Update immuse iterator documentation.
8472 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8473 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8474 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8475 first_safe_imm_use, next_safe_imm_use): Remove.
8476 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8477 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8478 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8479 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8480 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8481 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8482 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8483 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8484 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8485 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8486 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8487 (perfect_nestify): Use new iterator.
8488 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8490 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8491 (next_imm_name): New field in struct immediate_use_iterator_d.
8492 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8493 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8494 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8495 * tree-cfg.c (replace_uses_by): Use new iterator.
8496 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8497 * tree-ssa-operands.c (correct_use_link): Remove.
8498 (finalize_ssa_use_ops): No longer call correct_use_link.
8500 2006-04-27 Stuart Hastings <stuart@apple.com>
8502 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8503 * config/t-darwin (crt3.o): Use it.
8504 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8505 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8506 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8507 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8508 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8511 2006-04-27 Roger Sayle <roger@eyesopen.com>
8513 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8514 size, force the intermediate into a new pseudo rather instead of
8515 performing both a bitwise AND and a bitwise IOR in memory.
8517 2006-04-27 Richard Guenther <rguenther@suse.de>
8519 PR rtl-optimization/26685
8520 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8521 this one "max-flow-memory-locations".
8523 2006-04-27 Richard Guenther <rguenther@suse.de>
8525 PR tree-optimization/25148
8526 * tree-vrp.c (compare_values): Remove code dealing with
8527 comparisons against type min/max value. Honour overflow
8528 and negative constants in code dealing with comparisons
8529 of plus and minus expressions.
8530 (value_inside_range): Use fold_binary with LE_EXPR and
8531 GE_EXPR rather than compare_values.
8533 2006-04-27 Dirk Mueller <dmueller@suse.de>
8535 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8538 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8540 * basic-block.h (safe_insert_insn_on_edge): Removed.
8541 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8543 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8544 Paolo Bonzini <bonzini@gnu.org>
8547 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8548 (simplify_and_const_int): Same.
8550 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8552 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8554 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8557 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8558 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8559 cgraph_global_info_ready.
8562 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8565 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8566 either decl or init is error_mark_node.
8569 * tree-flow.h (struct omp_region): Add sched_kind.
8570 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8571 instead of extracting omp for data.
8572 (expand_omp_for): Save extracted sched_kind.
8574 2006-04-25 Roger Sayle <roger@eyesopen.com>
8576 * expmed.c (store_bit_field): Also check whether the bitsize is
8577 valid for the machine's "insv" instruction before moving the
8578 target into a pseudo for use with the insv.
8579 * config/i386/predicates.md (const8_operand): New predicate.
8580 * config/i386/i386.md (extv, extzv, insv): Use the new
8581 const8_operand predicate where appropriate.
8583 2006-04-25 DJ Delorie <dj@redhat.com>
8585 * doc/install.texi (Specific): Clarify that this is not a list of
8586 supported hosts or targets.
8588 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8590 PR rtl-optimization/26725
8591 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8592 block's BB_DIRTY flag.
8594 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8596 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8599 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8600 to print an integer.
8602 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8604 * varasm.c (align_variable): New function.
8605 (get_block_for_decl): Apply align_variable to DECL before
8606 calculating section information.
8607 (assemble_variable): Split out alignment computation.
8609 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8611 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8614 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8616 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8617 MODE_PARTIAL_INT mode.
8618 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8619 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8621 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8622 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8624 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8626 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8628 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8629 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8630 MACFLAG_IH): Likewise.
8631 (movstricthi_1): Renamed from "*movstricthi".
8632 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8633 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8634 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8635 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8636 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8637 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8638 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8639 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8640 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8641 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8642 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8643 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8644 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8645 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8646 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8648 * doc/rtl.texi (ss_ashift): Improve wording.
8650 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8652 * dwarf2out.c (verify_marks_clear): New.
8653 (prune_unused_types): Call verify_marks_clear initially, not
8656 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8658 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8659 * doc/rtl.texi: Document them.
8660 * simplify-rtx.c (simplify_unary_operation,
8661 simplify_binary_operation_1): Don't abort when we see them.
8663 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8666 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8667 * configure.ac: Completely disregard languages that are not
8669 * configure: Regenerated.
8671 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8672 Richard Guenther <rguenther@suse.de>
8674 PR tree-optimization/27236
8675 * tree-inline.c (copy_body_r): Make sure to copy
8676 TREE_THIS_VOLATILE flag.
8678 2006-04-24 Richard Guenther <rguenther@suse.de>
8681 * tree-complex.c (update_parameter_components): Don't handle
8682 unused parameters which have no default def.
8684 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8685 Richard Guenther <rguenther@suse.de>
8687 PR tree-optimization/27218
8688 * tree-inline.c (expand_call_inline): Strip useless type
8689 conversions for the return slot address.
8691 2006-04-24 Richard Guenther <rguenther@suse.de>
8693 * cfgloop.h (struct loops): Remove unused field array. Reorder
8695 (LOOP_PREFETCH): Remove.
8697 2006-04-24 Richard Guenther <rguenther@suse.de>
8699 PR tree-optimization/22525
8700 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8701 variable, adjust types of generated expressions.
8703 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8705 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8706 (tree-vect-patterns.o): Likewise.
8708 (cselib.o): Likewise.
8709 (loop-doloop.o): Likewise.
8710 (regclass.o): Likewise.
8711 (reload1.o): Likewise.
8712 (explow.o): Replace target.h with $(TARGET_H).
8713 (ipa-prop.o): Likewise.
8714 (ipa-cp.o): Likewise.
8715 (ipa-inline.o): Likewise.
8716 (reorg.o): Likewise.
8717 (reg-stack.o): Likewise.
8719 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8721 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8723 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8725 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8727 * configure.ac: Completely disregard languages that are not
8729 * configure: Regenerated.
8732 * c-common.h (c_build_bitfield_integer_type): Declare.
8733 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8734 * c-common.c (c_build_bitfield_integer_type): ... here.
8736 2006-04-23 Roger Sayle <roger@eyesopen.com>
8739 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8740 a SImode SUBREG of a floating point register after no_new_pseudos.
8742 2006-04-23 Roger Sayle <roger@eyesopen.com>
8744 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8745 identify potentially eliminable registers to additionally catch
8746 VIRTUAL_INCOMING_ARGS_REGNUM.
8747 (addsi3): Update the conditions on when to use addsi_small_int.
8749 2006-04-23 Roger Sayle <roger@eyesopen.com>
8752 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8753 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8754 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8756 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8758 * fold-const.c (range_predecessor): Use operand_equal_p
8759 as the predicate for equality.
8760 (range_successor): Likewise.
8762 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8765 * config/soft-fp/op-common.h: Fix a typo.
8767 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8770 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8771 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8773 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8775 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8777 * doc/tm.texi: Fix a typo.
8779 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8781 * dwarf2out.c (struct die_struct): Document that die_sib makes
8782 a circular linked list.
8783 (FOR_EACH_CHILD): New.
8784 (reverse_die_lists): Delete.
8785 (reverse_all_dies): Delete.
8786 (add_dwarf_attr): Correct documentation.
8787 (remove_child_with_prev): New.
8788 (remove_child_TAG): Update for change to die_struct, use
8789 remove_child_with_prev.
8790 (add_child_die): Update for change to die_struct.
8791 (splice_child_die): Use remove_child_with_prev and add_child_die.
8792 (print_die): Use FOR_EACH_CHILD.
8793 (die_checksum): Likewise.
8794 (assign_symbol_names): Likewise.
8795 (output_location_lists): Likewise.
8796 (build_abbrev_table): Likewise.
8797 (calc_die_sizes): Likewise.
8798 (mark_dies): Likewise.
8799 (unmark_dies): Likewise.
8800 (unmark_all_dies): Likewise.
8801 (output_die): Likewise.
8802 (prune_unused_types_mark): Likewise.
8803 (prune_unused_types_walk): Likewise.
8804 (same_die_p): Update for change to die_struct.
8805 (break_out_includes): Likewise.
8806 (prune_unused_types_prune): Likewise.
8807 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8808 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8810 (dwarf2out_finish): Don't call reverse_all_dies.
8812 2006-04-21 Eric Christopher <echristo@apple.com>
8814 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8815 in comments and function names.
8817 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8820 * c-typeck.c (digest_init): Robustify.
8822 * c-typeck.c (pop_init_level): Simplify.
8824 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8826 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8828 2006-04-21 Paul Brook <paul@codesourcery.com>
8830 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8831 hardware floating point.
8833 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8835 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8838 2006-04-21 Nick Clifton <nickc@redhat.com>
8840 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8843 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8846 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8847 C++ lang type in traceback table for Objective-C++.
8849 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8851 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8853 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8855 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8858 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8859 were errors. Remove check for erroneous objects.
8861 2006-04-20 Jeff Law <law@redhat.com>
8863 PR tree-optimization/26854
8864 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8865 checking for zero or one use.
8866 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8867 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8868 * tree-ssa-reassoc.c (negate_value): Similarly.
8869 (reassociate_bb): Similarly.
8871 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8873 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8874 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8875 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8877 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8879 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8880 fp regs if the last fp arg doesn't fit in regs.
8882 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8885 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8886 that the last insn has the REG_INC note.
8888 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8889 Nathan Sidwell <nathan@codesourcery.com>
8892 * stor-layout.c (update_alignment_for_field): Do not align
8894 (place_union_field): Place union field at the start of the union.
8895 (place_field): Move ERROR_MARK check later, and use the current
8896 allocation position to maintain monotonicity.
8898 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8900 * dominance.c: Include timevar.h.
8901 (calculate_dominance_info): Use TV_DOMINANCE.
8902 * timevar.def (TV_DOMINANCE): New timevar.
8903 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8905 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8907 PR rtl-optimization/14261
8908 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8909 move would be an INSV insn.
8910 (noce_process_if_block): Don't optimize if the destination is a
8911 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8913 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8915 * config/s390/s390.md: Add comments with the instructions emitted
8916 by an insn pattern if macros are used.
8918 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8920 PR rtl-optimization/26026
8921 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8922 is a known power of two shifted left a variable amount.
8924 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8926 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8927 to hash table twice when the debug_str section has SECTION_MERGE.
8929 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8931 * config/soft-fp: New directory. From glibc.
8932 * config/soft-fp/t-softfp: New.
8933 * config/soft-fp/README: New.
8934 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8935 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8936 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8937 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8938 * config.gcc: Use rs6000/t-fprules-fpbit or
8939 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8941 * config/rs6000/sfp-machine.h: New. Based on glibc.
8942 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8944 * config/rs6000/t-fprules: Remove fp-bit rules.
8945 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8946 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8947 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8948 (softfp_wrap_start, softfp_wrap_end): New.
8950 2006-04-18 DJ Delorie <dj@redhat.com>
8952 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8954 2006-04-18 Devang Patel <dpatel@apple.com>
8956 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8958 2006-04-18 Nick Clifton <nickc@redhat.com>
8960 * config/sh/t-symbian: Add rule to build sh-c.o
8961 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8962 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8963 (sh_symbian_encode_section_info): Likewise.
8965 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8967 * builtins.c (expand_builtin_strcmp): Cover label definition of
8968 do_libcall with HAVE_cmpstrnsi.
8970 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8972 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8974 * function.h (temp_slot_p): New.
8975 (function): Change the type of x_used_temp_slots to
8976 VEC(temp_slot_p,gc) *.
8978 2006-04-18 Nick Clifton <nickc@redhat.com>
8980 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8981 flag_strength_reduce.
8983 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8985 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8989 Partial revert of revision 112637
8990 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8991 Dale Johannesen <dalej@apple.com>
8994 * regclass.c (struct reg_pref): Update documentation.
8995 (regclass): Set prefclass to NO_REGS if memory is the best option.
8996 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8998 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9000 PR tree-optimization/26821
9001 * tree-ssa-math-opts.c (get_constant_one): New.
9002 (insert_reciprocals): Use it.
9004 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9006 * dwarf2out.c (free_AT): Delete.
9007 (remove_AT): Update string ref counts.
9008 (remove_child_TAG): Don't call free_die.
9010 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9011 or DW_TAG_GNU_EINCL.
9012 (prune_unused_types_walk_attribs): Reset string refcounts.
9013 (prune_unused_types_update_strings): New.
9014 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9015 call free_die. Do call prune_unused_types_update_strings.
9016 (prune_unused_types): Empty debug_str_hash.
9018 2006-04-17 Roger Sayle <roger@eyesopen.com>
9020 * expr.c (expand_assignment): Optimize away no-op moves where the
9021 source and destination are equal and have no side-effects.
9023 2006-04-17 Richard Guenther <rguenther@suse.de>
9026 * reload.c (push_reload): Guard calls to get_secondary_mem
9029 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9031 * alias.c (reg_base_value, old_reg_base_value): Change the
9032 type to VEC(rtx,gc) *.
9033 (REG_BASE_VALUE, find_base_value, record_set,
9034 init_alias_analysis): Use VEC instead of VARRAY.
9036 * alias.c (alias_sets): Change the type to
9037 VEC(alias_set_entry,gc) *.
9038 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9039 VEC instead of VARRAY.
9040 (last_alias_set): Remove.
9042 * cgraph.h (cgraph_edge_p): New.
9043 Update the prototype of cgraph_function_versioning.
9044 * cgraphunit.c (cgraph_copy_node_for_versioning,
9045 cgraph_function_versioning): Use VEC instead of VARRAY.
9046 * ipa-cp.c (ipcp_insert_stage): Likewise.
9048 2006-04-16 Roger Sayle <roger@eyesopen.com>
9051 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9052 "A op B" or "A op C", we may need to convert A to the type of B and C.
9054 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9056 * target.h (struct gcc_target): Add mode_rep_extended.
9057 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9058 (init_num_sign_bit_copies_in_rep): Initialize it using
9060 (truncate_to_mode): Use it.
9061 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9062 * targhooks.h (default_mode_rep_extended): Declare it.
9063 * targhooks.c (default_mode_rep_extended): Define it.
9064 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9065 default_mode_rep_extended.
9066 (TARGET_INITIALIZER): Include it.
9067 * doc/tm.texi (Misc): Document it.
9068 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9069 (mips_truncated_to_mode): New function.
9071 2006-04-16 Roger Sayle <roger@eyesopen.com>
9074 * expr.c (compress_float_constant): Copy the narrow constant into
9075 a new pseudo before extending it to its final width.
9077 2006-04-16 Roger Sayle <roger@eyesopen.com>
9078 Andrew Pinski <pinskia@gcc.gnu.org>
9079 Dale Johannesen <dalej@apple.com>
9082 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9083 special case code to implement V8HImode and V16QImode with SSE2.
9085 2006-04-15 Roger Sayle <roger@eyesopen.com>
9087 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9088 trees are constructed with a suitable tree type.
9090 2006-04-15 Roger Sayle <roger@eyesopen.com>
9092 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9093 (integer_onep): Likewise.
9094 (integer_all_onesp): Likewise.
9095 (integer_pow2p): Likewise.
9096 (integer_nonzerop): Likewise.
9097 (real_zerop): Likewise.
9098 (real_onep): Likewise.
9099 (real_twop): Likewise.
9100 (real_minus_onep): Likewise.
9101 (int_size_in_bytes): Likewise.
9102 (host_integerp): Likewise.
9104 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9106 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9107 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9108 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9110 * tree-ssa-structalias.h (alias_info): Remove num_references.
9112 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9114 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9115 (output_bvb patterns): Likewise.
9116 * pa.c (output_bb): Use 'bb' insn for long branch case.
9117 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9118 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9119 1. Correct length operand for alternatives 1 and 2.
9120 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9121 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9123 2006-04-14 Roger Sayle <roger@eyesopen.com>
9125 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9126 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9127 were accidentally reverted by r112959.
9129 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9132 * except.h (eh_region_outermost): New prototype.
9133 * except.c (eh_region_outermost): New function.
9134 * tree-cfg.c (find_outermost_region_in_block): Use it.
9136 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9138 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9140 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9141 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9142 (init_reload, reload): Use VEC instead of VARRAY.
9143 * reload.h: Update the prototype for
9144 reg_equiv_memory_loc_varray.
9146 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9147 Eric Botcazou <ebotcazou@libertysurf.fr>
9149 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9152 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9155 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9156 to expand fallback builtin function call.
9158 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9161 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9162 and emit libcall here in case the builtin fails.
9163 (expand_builtin_strcmp): Always emit the libcall here on failure.
9165 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9167 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9168 * flow.c (reg_n_info): Change the type to
9169 VEC(reg_info_p,heap) *.
9170 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9172 * regs.h (reg_info_p): New.
9173 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9174 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9175 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9178 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9180 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9182 * params.h (MAX_SCHED_READY_INSNS): New macro.
9183 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9184 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9185 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9186 the ready list for 1 cycle during the first scheduling pass.
9187 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9189 2006-04-13 Richard Henderson <rth@redhat.com>
9192 * gimple-low.c (lower_omp_directive): Remove dead code.
9193 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9194 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9195 * omp-low.c (struct omp_region): Move to tree-flow.h.
9196 (root_omp_region): Export.
9197 (omp_regions, lookup_omp_region): Remove.
9198 (determine_parallel_type): Update for struct omp_region changes.
9199 (dump_omp_region): Dump regions with block numbers.
9200 (new_omp_region): Take type and block instead of stmt; malloc
9202 (free_omp_region_1, free_omp_regions): New.
9203 (expand_parallel_call): Take entry_stmt as argument; update for
9204 changes to omp_region.
9205 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9206 (remove_exit_barriers): New.
9207 (expand_omp_parallel): Update for struct omp_region changes.
9208 (expand_omp_synch): Likewise.
9209 (expand_omp): Likewise.
9210 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9211 (expand_omp_for_static_chunk): Likewise.
9212 (expand_omp_for): Likewise.
9213 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9214 (expand_omp_sections): Similarly, with GOMP_sections_end.
9215 (expand_omp_single): New.
9216 (build_omp_regions_1): Update for OMP_CONTINUE.
9217 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9218 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9219 OMP_SECTIONS_SECTIONS.
9220 (lower_omp_single_simple): Don't emit barrier here.
9221 (lower_omp_single_copy): Likewise.
9222 (lower_omp_single): Fix bindings, and lower to straightline now.
9223 (lower_omp_master, lower_omp_ordered): Likewise.
9224 (lower_omp_critical): Likewise.
9225 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9226 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9227 omp edges, free it afterward.
9228 (make_omp_sections_edges): Remove.
9229 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9230 (move_stmt_r): Handle OMP_CONTINUE.
9231 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9232 statement pointers to basic blocks. Add type member.
9233 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9234 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9235 * tree-inline.c (estimate_num_insns_1): Likewise.
9236 * tree-pretty-print.c (dump_generic_node): Likewise.
9237 * tree-ssa-operands.c (get_expr_operands): Likewise.
9238 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9239 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9240 (OMP_CONTINUE): New.
9241 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9242 (OMP_SECTIONS_SECTIONS): Remove.
9243 (OMP_SECTION_LAST): New.
9244 (OMP_RETURN_NOWAIT): New.
9246 2006-04-13 Roger Sayle <roger@eyesopen.com>
9248 * fold-const.c (native_encode_vector, native_interpret_real):
9249 Correct obvious mistakes in the previous check-in.
9251 2006-04-13 Roger Sayle <roger@eyesopen.com>
9253 * fold-const.c (native_encode_expr): New function to encode
9254 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9255 or VECTOR_CST into a specified buffer.
9256 (native_encode_int): New function.
9257 (native_encode_real): New function.
9258 (native_encode_complex): New function.
9259 (native_encode_vector): New function.
9260 (native_interpret_expr): Inverse of native_encode_expr to convert
9261 a target representation into an INTEGER_CST, REAL_CST etc...
9262 (native_interpret_int): New function.
9263 (native_interpret_real): New function.
9264 (native_interpret_complex): New function.
9265 (native_interpret_vector): New function.
9266 (fold_view_convert_expr): New function to constant fold/evaluate
9267 a VIEW_CONVERT_EXPR of a suitable constant expression.
9268 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9269 Change call of build1 to fold_build1 when constructing a
9272 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9273 Ulrich Weigand <uweigand@de.ibm.com>
9276 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9279 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9282 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9283 optimize to lo_sum for DFmode if !TARGET_FPRS.
9285 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9287 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9288 delete_alias_info, compute_flow_sensitive_aliasing,
9289 group_aliases): Use VEC instead of VARRAY.
9290 * tree-ssa-structalias.c (update_alias_info): Likewise.
9291 * tree-ssa-structalias.h (alias_info): Change the type of
9292 processed_ptrs to VEC(tree,heap) *.
9294 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9297 * config/sh/lib1funcs.h: New file, broken out of:
9298 * config/sh/lib1funcs.asm.
9299 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9301 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9302 * config/sh/lib1funcs-Os-4-200.asm: New file.
9303 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9304 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9305 (EXTRA_MULTILIB_PARTS): Include it.
9306 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9307 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9308 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9309 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9312 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9314 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9315 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9316 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9318 * tree-ssa-live.h: Include vecprim.h.
9319 (tree_partition_associator_d): Change the type of
9320 first_partition to VEC(int,heap) *.
9321 (tpa_first_partition): Use VEC instead of VARRAY.
9323 * Makefile.in (GTFILES): Move functions.h after tree.h.
9324 * function.c (reset_block_changes, record_block_change,
9325 check_block_change, free_block_changes): Use VEC instead of
9327 * function.h (function): Change the type of
9328 ib_boundaries_block to VEC(tree,gc) *.
9329 * tree-inline.c (copy_cfg_body): Initialize
9330 ib_boundaries_block to NULL instead of (varray_type) 0.
9332 2006-04-12 Roger Sayle <roger@eyesopen.com>
9334 * expr.c (emit_group_store): Correct operand order in call to
9335 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9336 a SUBREG_BYTE of zero.
9338 2006-04-12 Richard Guenther <rguenther@suse.de>
9340 * profile.c (compute_branch_probabilities): Remove code
9341 encapsulated in !ir_type (), which are remanents of the
9342 removed RTL profiling code.
9343 * rtl-profile.c: Remove.
9345 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9347 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9348 magic NULL_RTX comment.
9349 (function_arg): Store entire fp arg to mem if any part should go
9351 (rs6000_arg_partial_bytes): Adjust for above change.
9353 2006-04-11 Roger Sayle <roger@eyesopen.com>
9355 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9356 if it hasn't been initialized by dwarf2out_init.
9358 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9360 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9361 symbolic constants in branch patterns.
9363 2006-04-11 Roger Sayle <roger@eyesopen.com>
9365 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9367 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9369 PR rtl-optimization/27073
9370 * gcse.c (try_replace_reg): Revert last change. Continue to search
9371 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9374 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9376 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9377 aggregate types other than record and union types.
9378 (function_arg): Likewise.
9379 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9381 (function_value): In 64-bit mode, return objects that require it
9384 2006-04-11 Roger Sayle <roger@eyesopen.com>
9386 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9388 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9390 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9392 2006-04-03 Jeff Law <law@redhat.com>
9395 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9396 alias information too.
9398 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9400 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9402 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9405 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9406 (premark_used_types_helper): New.
9407 (premark_used_types): New.
9408 (gen_subprogram_die): Call premark_used_types.
9409 (prune_unused_types_walk): Do not prune perennial dies.
9410 * function.c (used_types_insert): New.
9411 * function.h (struct function): Add used_types_hash field.
9412 (used_types_insert): Add prototype.
9413 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9414 * c-parser.c (c_parser_cast_expression): Save casted types in used
9417 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9420 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9421 rs6000_explicit_options.float_gprs.
9423 2006-04-10 Roger Sayle <roger@eyesopen.com>
9425 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9426 from ix86_expand_vector_init_low_nonzero. Take an additional
9427 one_var argument indicating which element is non-zero. Support
9428 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9429 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9430 with one_var instead of ix86_expand_vector_init_low_nonzero.
9432 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9434 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9435 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9436 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9437 build/genextract.o): Depend on vecprim.h.
9438 * cfglayout.c, df-problems.c, function.c, genextract.c,
9439 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9440 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9444 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9446 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9447 Declare VECs of this type.
9448 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9449 (remove_children): Delete.
9450 (add_dwarf_attr): Use VEC routines.
9451 (add_AT_flag): Update for changes to add_dwarf_attr.
9452 (add_AT_int): Likewise.
9453 (add_AT_unsigned): Likewise.
9454 (add_AT_long_long): Likewise.
9455 (add_AT_vec): Likewise.
9456 (add_AT_string): Likewise.
9457 (add_AT_die_ref): Likewise.
9458 (add_AT_fde_ref): Likewise.
9459 (add_AT_loc): Likewise.
9460 (add_AT_loc_list): Likewise.
9461 (add_AT_addr): Likewise.
9462 (add_AT_lbl_id): Likewise.
9463 (add_AT_lineptr): Likewise.
9464 (add_AT_macptr): Likewise.
9465 (add_AT_offset): Likewise.
9466 (add_AT_range_list): Likewise.
9467 (get_AT): Use VEC_iterate.
9468 (remove_AT): Use VEC_ordered_remove.
9469 (free_die): Fold remove_children into here; have it use VEC_iterate.
9470 (print_die): Use VEC_iterate on attrs.
9471 (reverse_die_lists): Don't reverse attr lists.
9472 (die_checksum): Use VEC_iterate on attrs.
9473 (same_die_p): Likewise.
9474 (output_location_lists): Likewise.
9475 (build_abbrev_table): Likewise.
9476 (size_of_die): Likewise.
9477 (unmark_all_dies): Likewise.
9478 (output_abbrev_section): Likewise.
9479 (output_die): Likewise.
9480 (prune_unused_types_walk_attribs): Likewise.
9482 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9484 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9486 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9489 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9491 2006-04-09 Roger Sayle <roger@eyesopen.com>
9493 * expr.c (store_constructor): Don't bother clearing target if
9494 we're about to assign a vector to it using vec_init_optab.
9496 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9498 * tree-ssa-alias.c (lhs_may_store_to): New function.
9499 (recalculate_used_alone): Handle LHS of calls.
9501 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9505 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9506 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9507 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9508 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9509 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9510 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9511 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9512 stubs. Add ".align 8" directives before all ".dword" directives.
9513 (GTHREAD_USE_WEAK): Revise comment.
9514 (TARGET_ATTRIBUTE_WEAK): Define.
9515 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9516 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9517 * stublib.c: New file.
9522 * pa.md (cbranch patterns): Revise arguments used in calls to
9523 output_cbranch, output_bb and output_bvd. Add long branch length
9525 (fbranch patterns): Handle long branches.
9526 (jump): Revise length check. Revise arguments for output_lbranch call.
9527 Add long branch length attributes.
9528 (decrement_and_branch_until_zero): Add long branch length attributes.
9529 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9530 Likewise. Revise arguments for output_parallel_addb and
9531 output_parallel_movb calls.
9532 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9533 output_parallel_movb and output_parallel_addb): Update prototypes.
9534 * pa.c (output_cbranch): Revise arguments. Correct handling of
9535 nullification in long branches.
9536 (output_lbranch): Add new argument to control extraction of delay
9538 (output_bb): Handle long branches.
9539 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9540 output_parallel_addb): Likewise.
9542 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9544 PR rtl-optimization/27073
9545 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9548 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9550 * tree.h (tree_memory_tag): Add old_used_alone.
9551 (SMT_OLD_USED_ALONE): New macro.
9552 * tree-ssa-alias.c (recalculate_used_alone): Stop
9553 marking things for renaming unnecessarily.
9555 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9557 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9558 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9559 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9560 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9561 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9562 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9563 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9564 spelling convensions.
9565 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9566 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9567 typos. Follow spelling conventions.
9569 2006-04-07 DJ Delorie <dj@redhat.com>
9571 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9572 passed on the stack.
9573 (m32c_init_cumulative_args): When a function returns a structure,
9574 always pass the pointer to that return area on the stack.
9575 (m32c_function_arg_advance): Don't increment the parameter number
9576 if we're processing the returned structure pointer.
9577 (pushm_info): Reverse order of registers.
9579 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9581 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9582 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9583 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9584 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9586 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9587 chrec_fold_multiply): Same.
9588 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9589 force_expr_to_var_cost): Same.
9590 * tree-mudflap.c (mf_xform_derefs_1): Same.
9591 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9593 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9595 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9596 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9599 2006-04-07 Jan Hubicka <jh@suse.cz>
9601 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9603 2006-04-07 Richard Guenther <rguenther@suse.de>
9605 PR tree-optimization/26135
9606 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9607 loads for store copy-prop.
9608 (copy_prop_visit_stmt): Likewise.
9610 2006-04-05 Robert Millan <robertmh@gnu.org>
9612 * config/i386/linux.h: Add a comment to mark macros that are
9613 being overriden in config/k*bsd-gnu.h.
9614 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9616 * config/knetbsd-gnu.h: Ditto.
9618 2006-04-06 Jan Hubicka <jh@suse.cz>
9622 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9625 2006-04-06 Mike Stump <mrs@apple.com>
9627 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9628 for HAVE_nonlocal_goto to be consistent.
9629 (expand_builtin_nonlocal_goto): Likewise.
9630 (expand_builtin_strcmp): Use #ifdef instead of #if
9631 for HAVE_cmpstrnsi to be consistent.
9633 2006-04-05 DJ Delorie <dj@redhat.com>
9635 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9638 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9640 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9641 got-relative addressing for anything but SImode.
9643 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9644 even if the calling function doesn't modify them.
9646 2006-04-05 Richard Guenther <rguenther@suse.de>
9648 PR tree-optimization/26919
9649 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9650 to cgraph_estimate_size_after_inlining.
9652 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9654 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9656 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9658 PR tree-optimization/26996
9659 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9660 VECTOR_TYPE variables.
9662 2006-04-05 Richard Guenther <rguenther@suse.de>
9664 PR tree-optimization/26763
9665 * fold-const.c (fold_comparison): Move folding of
9666 PTR + CST CMP PTR + CST ...
9667 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9669 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9671 * doc/install.texi (Prerequisites): Refine some wording on
9672 bootstrapping and ksh.
9673 Move the version numbers of DejaGnu here from the testing section
9674 and fix casing of names.
9675 Fix markup and clarify wording for autogen requirements.
9676 Refer to GCJ instead of just java.
9677 Refer to SVN instead of CVS.
9678 Describe diffutils as useful instead of necessary.
9679 (Downloading the source): Refer to SVN instead of CVS.
9680 Adjust a link to our web site accordingly.
9681 (Configuration): Fix casing of Bison.
9682 (Building): Refer to SVN instead of CVS.
9683 Fix a sentence on the use of Bison and remove duplicate (and
9684 incorrect) version number of Bison requirement.
9685 Remove one redundant list of packages needed for building.
9686 (Specific): Avoid reference to CVS.
9688 2006-04-04 Eric Christopher <echristo@apple.com>
9690 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9691 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9692 (rs6000_handle_struct_attribute): New.
9693 (rs6000_ms_bitfield_layout_p): Ditto.
9695 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9697 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9698 NULL for dso parameter to atexit_common.
9700 2006-04-04 Eric Christopher <echristo@apple.com>
9702 * config/i386/i386.c (machopic_output_stub): Output \t
9703 between instructions and operands.
9705 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9707 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9708 satisfies_constraint_[IL] to explicit tests on value.
9710 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9712 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9713 set_nb_iterations_in_loop): Use build_int_cst instead of
9715 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9716 build_int_cst instead of convert.
9718 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9720 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9721 new value 2 for incoming.
9722 * function.c (expand_function_start): Call struct_value_rtx
9724 * config/sparc/sparc.md: Comment updated_return.
9725 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9726 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9727 struct return if sparc_std_struct_return and incoming is 2.
9728 (print_operand): Do not adjust return if
9729 sparc_std_struct_return.
9731 2006-04-04 Roger Sayle <roger@eyesopen.com>
9733 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9734 convert in the middle-end.
9735 * expr.c (store_expr, store_constructor, get_inner_reference,
9736 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9738 * tree.c (build_range_type): Likewise.
9740 2006-04-04 Tom Tromey <tromey@redhat.com>
9742 * doc/install.texi (Prerequisites): Mention jar.
9744 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9746 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9749 2006-04-04 Matthias Klose <doko@debian.org>
9751 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9755 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9758 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9760 * doc/extend.texi (Function Attributes): Rewrite visibility
9761 attribute documentation.
9762 * doc/invoke.texi (C++ Dialect Options): Rewrite
9763 -fvisibility-inlines-hidden documentation to describe something
9764 entirely different, although in practise compatible.
9765 (Code Gen Options): Warn about system headers in -fvisibility=
9768 * doc/extend.texi (Other Builtins): Document that
9769 __builtin_nan is a compile-time constant only when its argument
9772 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9774 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9775 trying to remove TRUNCATE check if all bits outside the new mode
9776 are identical to the sign bit.
9778 2006-04-03 Jeff Law <law@redhat.com>
9780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9781 and operand scanning in some common cases.
9783 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9784 Dale Johannesen <dalej@apple.com>
9787 * regclass.c (struct reg_pref): Update documentation.
9788 (regclass): Set prefclass to NO_REGS if memory is the best option.
9789 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9790 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9791 into account. For non-registers, equate an empty preferred
9792 reload class to a `!' in the constraint; move the if clause to
9793 do so after those that reject the insn.
9794 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9796 (find_dummy_reload): Likewise.
9797 * doc/tm.texi (Register Classes): Document what it means
9798 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9799 * config/i386/i386.c (ix86_preferred_reload_class): Force
9800 using SSE registers (and return NO_REGS for floating-point
9801 constants) if math is done with SSE.
9802 (ix86_preferred_output_reload_class): New.
9803 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9804 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9805 * config/i386/i386.md: Remove # register preferences.
9807 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9810 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9811 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9812 the type of nb_iter.
9813 (instantiate_parameters_1): Convert the operands before calling
9814 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9815 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9817 2006-04-02 Roger Sayle <roger@eyesopen.com>
9819 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9820 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9822 * dojump.c (do_jump): Likewise.
9823 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9824 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9825 gimplify_boolean_expr): Likewise.
9826 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9827 * varasm.c (array_size_for_constructor): Likewise.
9828 * tree-object-size.c (compute_object_offset): Likewise.
9830 2006-04-02 Roger Sayle <roger@eyesopen.com>
9833 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9834 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9836 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9838 PR tree-optimization/26939
9839 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9841 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9843 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9844 at_stmt. Convert the type of operands before calling
9845 build_polynomial_chrec.
9846 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9848 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9849 (instantiate_parameters_1): Convert the type of operands before calling
9850 build_polynomial_chrec.
9851 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9852 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9853 reset_evolution_in_loop): Insert asserts to check the types of the
9855 (chrec_type): Moved...
9856 (eq_evolutions_p): Use operand_equal_p.
9857 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9858 the types of the operands.
9859 (chrec_type): ...here.
9860 * tree-data-ref.c (create_data_ref): Convert the operands before
9861 calling chrec_replace_initial_condition.
9862 (same_access_functions, analyze_subscript_affine_affine,
9863 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9864 (compute_subscript_distance, analyze_ziv_subscript,
9865 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9866 analyze_miv_subscript): Convert the operands before calling
9867 chrec_fold_minus or chrec_fold_plus.
9869 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9871 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9872 the dependence_relations vector.
9873 (compute_data_dependences_for_loop): Adjust call to
9874 compute_all_dependences.
9876 2006-04-01 Roger Sayle <roger@eyesopen.com>
9877 Richard Henderson <rth@redhat.com>
9879 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9880 gimple_boolify on the condition before calling gimplify_expr.
9882 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9884 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9885 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9886 the frame size. Update to use the new macros.
9887 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9888 * config/xtensa/ieee754-df.S: Likewise.
9890 2006-03-31 Richard Henderson <rth@redhat.com>
9892 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9893 (make_edges): ... here. Control fallthru creation with a local
9894 variable. Do not play with fake edges.
9895 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9896 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9899 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9901 * dwarf2.h (DW64_CIE_ID): Define.
9902 * dwarf2out.c (DWARF_CIE_ID): Define.
9903 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9904 length header. Use DWARF_CIE_ID.
9905 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9906 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9908 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9910 * config/sh/linux-atomic.asm: New file.
9911 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9913 2006-03-31 DJ Delorie <dj@redhat.com>
9915 * config/m32c/cond.md: Set condition flags properly throughout.
9916 * config/m32c/minmax.md: Likewise.
9917 * config/m32c/prologue.md: Likewise.
9918 * config/m32c/bitops.md: Likewise.
9919 * config/m32c/muldiv.md: Likewise.
9920 * config/m32c/mov.md: Likewise.
9921 * config/m32c/addsub.md: Likewise.
9922 * config/m32c/m32c.md: Likewise.
9923 * config/m32c/jump.md: Likewise.
9924 * config/m32c/shift.md: Likewise.
9926 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9927 conditionally output the pattern for this.
9928 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9929 (m32c_compare_redundant): New.
9930 (m32c_output_compare): New.
9931 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9933 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9934 dest, not src. Allow other 4-byte modes.
9936 2006-03-30 Denis Chertykov <denisc@overta.ru>
9938 * doc/md.texi: Refer to avr/constraints.md instead of
9941 2006-03-30 Roger Sayle <roger@eyesopen.com>
9943 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9944 signed vs. unsigned comparison failures on some hosts.
9946 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9949 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9950 change to FLOAT_REGS.
9952 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9953 (rs6000_override_options): Use it.
9954 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9955 only for -mabi=spe/no-spe and -mabi=altivec.
9957 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9959 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9962 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9964 * Makefile.in: Rename docdir to gcc_docdir.
9966 2006-03-30 Roger Sayle <roger@eyesopen.com>
9969 * expr.c (emit_group_store): Optimize group stores into a pseudo
9970 register by using a paradoxical subreg to initialize the destination
9971 if the first or last member of the group specifies a "low part".
9973 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9976 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9977 * target.h (struct gcc_target.speculate_insn): Change type of the
9978 second parameter to 'int'.
9979 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9980 the second operand of the DEPS_LIST.
9981 (copy_DEPS_LIST_list): Update reference to the second operand of the
9983 * rtl.h (alloc_DEPS_LIST): Update signature.
9984 * sched-int.h (ds_t): Change typedef to 'int'.
9985 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9987 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9989 * haifa-sched.c (try_ready): Change condition to restore
9990 non-speculative pattern of the instruction.
9991 (process_insn_depend_be_in_spec): Code to keep probability of the
9992 speculative dependence non-decreasing.
9994 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9996 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9997 (single_move_for_movmem): ... this. Also change all uses.
9998 (bfin_expand_strmov): Renamed to...
9999 (bfin_expand_movmem): ... this. Also change all uses.
10000 * config/bfin/bfin.md (movstrsi): Renamed to...
10001 (movstrsi): ...this.
10003 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10005 PR tree-optimization/26830
10007 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10008 (copy_prop_visit_stmt): Remove write-only variable ann.
10009 (init_copy_prop): Check variable loop depth here. Do not simulate
10010 memory-tag and virtual operand PHIs except for store copy prop.
10012 2006-03-30 Richard Guenther <rguenther@suse.de>
10014 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10015 variants with double arguments.
10017 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10019 * genpreds.c (write_tm_constrs_h): Delete variable p.
10020 * genconditions.c (write_header): Add tm-constrs.h to included
10022 * genpeep.c (main): Add toplev.h to included headers.
10023 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10024 (build/genpeep.o): Add toplev.h dependency.
10025 * config/rs6000/constraints.md: Add "W" constraint.
10027 2006-03-29 Roger Sayle <roger@eyesopen.com>
10029 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10030 sizes by correctly testing whether the size fits a host integer.
10031 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10032 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10033 SImode range for the default sizetype and bitsizetype.
10035 2006-03-29 Roger Sayle <roger@eyesopen.com>
10037 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10038 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10039 quickly if the argument is already of the correct type.
10040 Call fold_build1 instead of build1. Tidy up blank lines.
10042 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10044 * genemit.c (main): Add tm-constrs.h to included headers.
10045 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10046 * genpeep.c (main): Add tm-constrs.h to included headers.
10047 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10048 (write_tm_constrs_h): this and write complete file.
10049 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10050 (write_insn_preds_c): Add tm-constrs.h to included headers.
10051 (gen_constrs): New variable.
10052 (parse_option): Parse "-c".
10053 (main): Invoke write_tm_constrs_h.
10054 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10055 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10056 (object_out_file): Add tm-constrs.h dependency.
10057 (insn-emit.o): Same.
10058 (insn-output.o): Same.
10059 (insn-peep.o): Same.
10060 (insn-preds.o): Same.
10061 (insn-recog.o): Same.
10062 (tm-constsr.h): New target.
10063 (s-constrs-h): New target.
10065 * config/rs6000/constraints.md: New file.
10066 * config/rs6000/rs6000.c: Include tm-constrs.h.
10067 (num_insn_constant_wide): Convert to satisfies_constraint.
10068 (rs6000_rtx_costs): Convert to satisfies_constraint.
10069 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10070 (CONST_OK_FOR_LETTER_P): Delete.
10071 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10072 (EXTRA_CONSTRAINT): Delete.
10073 (EXTRA_MEMORY_CONSTRAINT): Delete.
10074 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10075 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10076 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10077 satisfies_constraint.
10079 * config/i386/i386.c: Include tm-constrs.h.
10081 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10083 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10084 * tree-data-ref.c (find_data_references_in_loop,
10085 compute_data_dependences_for_loop): Use pointers to VEC.
10086 (analyze_all_data_dependences): Adjust calls.
10087 * tree-data-ref.h (find_data_references_in_loop,
10088 compute_data_dependences_for_loop): Adjust declarations.
10089 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10090 compute_data_dependences_for_loop.
10092 2006-03-29 Paul Brook <paul@codesourcery.com>
10094 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10095 (movdf_vfp): Ditto.
10097 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10099 PR tree-optimization/26859
10100 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10102 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10103 for the step after fold_convert.
10105 2006-03-29 Paul Brook <paul@codesourcery.com>
10107 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10108 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10110 2006-03-29 Paul Brook <paul@codesourcery.com>
10112 PR middle-end/23623
10113 * targhooks.c (default_narrow_bitfield): New fuction.
10114 * targhooks.h (default_narrow_bitfield): add prototype.
10115 * target.h (gcc_target): Add narrow_volatile_bitfield.
10116 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10117 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10118 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10119 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10121 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10123 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10125 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10126 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10127 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10128 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10129 (s390_function_arg_float): Allow SDmode and DDmode values to be
10130 passed in floating point registers.
10131 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10132 check with SCALAR_FLOAT_MODE_P.
10133 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10135 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10137 PR tree-optimization/25985
10138 * tree-ssa-loop-niter.c (number_of_iterations_le,
10139 number_of_iterations_ne): Make comments more precise.
10140 (number_of_iterations_cond): Add only_exit argument. Use the
10141 fact that signed variables do not overflow only when only_exit
10143 (loop_only_exit_p): New.
10144 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10145 number_of_iterations_cond.
10147 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10149 PR tree-optimization/26643
10150 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10153 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10155 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10156 (divsi3_i4_int): Likewise.
10158 2006-03-28 Roger Sayle <roger@eyesopen.com>
10160 * expr.c (emit_group_store): Only create a new pseudo reg if the
10161 quantity it needs to hold isn't already a suitable pseudo.
10163 2006-03-28 Jeff Law <law@redhat.com>
10165 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10166 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10168 2006-03-28 Roger Sayle <roger@eyesopen.com>
10170 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10171 the equivalent ~X & Y, and the symmetry related transformations.
10172 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10173 ~X & Y, and symmetry related transforms.
10175 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10177 Revert my 2006-03-27 patches.
10179 2006-03-28 Roger Sayle <roger@eyesopen.com>
10181 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10182 ~(T1)X, when T1 and T2 are integer types of the same precision
10183 and (T2)X isn't an extension.
10185 2006-03-28 Jeff Law <law@redhat.com>
10187 PR tree-optimization/26796
10188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10189 need EH edge cleanups rather than purging them immediately.
10190 (eliminate_degenerate_phis): Handle queued EH cleanups.
10192 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10194 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10197 2006-03-27 Roger Sayle <roger@eyesopen.com>
10199 PR middle-end/22524
10200 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10201 cast BIT_NOT_EXPR operand to the correct type.
10203 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10205 * tree-loop-linear.c: Don't include varray.h.
10206 (gather_interchange_stats, try_interchange_loops,
10207 linear_transform_loops): Use VEC instead of VARRAY.
10208 * lambda-mat.c: Don't include varray.h.
10209 * tree-chrec.c: Same.
10210 * lambda-trans.c: Same.
10211 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10212 VEC instead of VARRAY.
10213 * tree-vectorizer.h: Idem.
10214 * tree-data-ref.c (dump_data_references,
10215 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10216 initialize_data_dependence_relation, finalize_ddr_dependent,
10217 compute_all_dependences, find_data_references_in_loop,
10218 compute_data_dependences_for_loop, analyze_all_data_dependences,
10219 free_dependence_relation, free_dependence_relations,
10220 free_data_refs): Idem.
10221 * tree-data-ref.h (data_reference_p, subscript_p): New.
10222 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10223 VEC instead of VARRAY.
10224 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10225 (find_data_references_in_loop, compute_data_dependences_for_loop,
10226 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10227 dump_data_dependence_relations, free_dependence_relations,
10228 free_data_refs): Adjust declaration.
10229 (lambda_transform_legal_p): Move declaration here...
10230 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10231 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10232 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10233 vect_analyze_data_refs): Use VEC instead of VARRAY.
10234 * lambda.h (lambda_transform_legal_p): ...from here.
10235 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10236 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10237 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10238 tree-chrec.o): Don't depend on VARRAY_H.
10240 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10242 * rtl.def (Copyright): Update date.
10243 (DEPS_LIST): Change type of the second operand to 'int'.
10244 * target.h (Copyright): Update date.
10245 (struct gcc_target.speculate_insn): Change type of the second parameter
10247 * lists.c (Copyright): Update date.
10248 (alloc_DEPS_LIST): Change signature. Update reference to the second
10249 operand of the DEPS_LIST.
10250 (copy_DEPS_LIST_list): Update reference to the second operand of the
10252 * rtl.h (Copyright): Update date.
10253 (alloc_DEPS_LIST): Update signature.
10254 * sched-int.h (Copyright): Update date.
10255 (ds_t): Change typedef to 'int'.
10256 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10258 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10260 * haifa-sched.c (Copyright): Update date.
10261 (try_ready): Change condition to restore non-speculative pattern
10262 of the instruction.
10263 (process_insn_depend_be_in_spec): Code to keep probability of the
10264 speculative dependence non-decreasing.
10266 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10268 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10269 shut up the compiler.
10271 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10273 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10274 to use lib prefix for target.
10275 ($(T)libic_invalidate_array_4-200.a): Likewise.
10276 ($(T)libic_invalidate_array_4a.a): Likewise.
10278 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10279 J"orn Rennecke <joern.rennecke@st.com>
10281 * superh.opt: New file.
10282 * sh.c (boardtype, osruntime): Remove.
10283 * superh.h (SUBTARGET_OPTIONS): Remove.
10284 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10286 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10287 arguments with ^ and/or [].
10289 * config.gcc (sh-*-*): Add quoting to account for quirk of
10291 Replace == with = in enable_incomplete_targets test.
10293 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10294 with MASK_LITTLE_ENDIAN.
10296 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10297 * config/sh/sh.opt: Added to some comments.
10298 * config/sh/superh.h: Removed some chaff.
10300 * config/sh/sh.opt: Add m4-[1234]00* options.
10301 * config/sh/sh.c (sh_handle_option): Likewise.
10302 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10303 (ic_invalidate_array_4-100.o): New rule.
10304 ($(T)libic_invalidate_array_4-100.a): Likewise.
10305 (ic_invalidate_array_4-200.o): Likewise.
10306 ($(T)libic_invalidate_array_4-200.a): Likewise.
10307 (ic_invalidate_array_4a.o): Likewise.
10308 ($(T)libic_invalidate_array_4a.a): Likewise.
10309 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10310 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10312 * config/sh/crt1.asm: Merged in profiling code.
10313 * config/sh/superh.h (STARTFILE_SPEC): Override.
10314 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10315 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10316 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10318 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10319 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10320 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10322 * sh.opt (mpretend-cmove): New option.
10323 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10324 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10325 (movsicc): Add TARGET_PRETEND_CMOVE code.
10327 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10329 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10330 s390_class_max_nregs): New function prototypes.
10331 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10332 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10333 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10334 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10336 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10338 * dwarf2out.c (add_location_or_const_value_attribute): Call
10339 tree_add_const_value_attribute if nothing else works.
10340 (reference_to_unused): New.
10341 (rtl_for_decl_init): Use reference_to_unused to decide whether
10342 to output an initializer.
10344 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10347 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10348 peephole removing spe frob_di_df_2.
10350 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10352 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10353 (subscript_dependence_tester_1): Declared.
10354 (print_dir_vectors, print_dist_vectors): New.
10355 (debug_data_dependence_relation): New.
10356 (dump_data_dependence_relation): Print more details.
10357 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10358 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10359 (save_dist_v, save_dir_v, add_outer_distances,
10360 build_classic_dist_vector_1): New.
10361 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10362 Don't test for lambda_vector_lexico_pos.
10363 (same_access_functions, add_multivariate_self_dist,
10364 add_other_self_distances, dir_from_dist): New.
10365 (build_classic_dir_vector): Replace implementation almost identical to
10366 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10368 (subscript_dependence_tester_1): New.
10369 (subscript_dependence_tester): Handle the lexicographically negative
10370 distance vectors by recomputing the dependence relation.
10371 (compute_affine_dependence): Remove parameter loop_nest_depth.
10372 (compute_self_dependence): Don't call compute_subscript_distance.
10373 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10374 Add a parameter for the loop_nest.
10375 (find_loop_nest_1, find_loop_nest): New.
10376 (compute_data_dependences_for_loop): Compute the loop nest, and give
10377 up if the nest is not well formed.
10378 * tree-data-ref.h (loop_p): New.
10379 (struct data_dependence_relation): Replace size_vect field with
10380 loop_nest, a vec of loops.
10381 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10382 (DDR_LOOP_NEST): New.
10383 (print_dir_vectors, print_dist_vectors,
10384 debug_data_dependence_relation): Declared.
10385 (index_in_loop_nest): New.
10386 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10387 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10390 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10392 * simplify-rtx.c (simplify_relational_operation): Call
10393 simplify_relational_operation_1 even if mode is VOIDmode.
10395 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10397 PR tree-optimization/26804
10398 * tree.h (DECL_CALL_CLOBBERED): New macro.
10399 (tree_decl_common): Add call_clobbered_flag.
10400 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10401 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10402 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10403 (mark_non_addressable): Ditto.
10404 * tree-ssa.c (verify_call_clobbered): New function.
10405 (verify_alias_info): Use it.
10406 * tree-pass.h (pass_reset_cc_flags): New prototype.
10407 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10408 (reset_cc_flags): New function.
10409 * passes.c (init_optimization_passes): Call reset_cc_flags after
10410 initializing referenced_vars.
10412 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10413 Roger Sayle <roger@eyesopen.com>
10415 PR middle-end/26717
10416 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10417 to 1.0 for non-real operands. Implement A / A optimization for
10420 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10422 * config/i386/i386.c (size_cost): Correct the comment for
10423 cost of storing fp registers.
10424 (i386_cost): Likewise.
10425 (i486_cost): Likewise.
10426 (pentium_cost): Likewise.
10427 (pentiumpro_cost): Likewise.
10428 (k6_cost): Likewise.
10429 (athlon_cost): Likewise.
10430 (k8_cost): Likewise.
10431 (pentium4_cost): Likewise.
10432 (nocona_cost): Likewise.
10433 (generic64_cost): Likewise.
10434 (generic32_cost): Likewise.
10436 2006-03-24 Denis Chertykov <denisc@overta.ru>
10438 * config/avr/avr-protos.h (extra_constraint): Delete.
10439 (extra_constraint_Q): New declaration.
10440 * config/avr/constraints.md: New file.
10441 * config/avr/avr.md: Include it.
10442 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10443 (TMP_REGNO, ZERO_REGNO): Likewise.
10444 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10445 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10446 (extra_constraint): Delete.
10447 (extra_constraint_Q): Test for memory constraint 'Q'.
10448 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10449 (REG_CLASS_FROM_LETTER): Delete.
10450 (CONST_OK_FOR_LETTER_P): Delete.
10451 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10452 (EXTRA_CONSTRAINT): Delete.
10453 (TMP_REGNO): Delete.
10454 (ZERO_REGNO): Delete.
10456 2006-03-24 Jeff Law <law@redhat.com>
10458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10459 directly. Call mark_new_vars_to_rename slightly earlier.
10461 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10463 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10464 (is_cxx): Likewise.
10465 (gen_compile_unit_die): Use new language types for Objective-C and
10467 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10468 DW_LANG_C_plus_plus.
10471 * config/t-darwin (crt3.o): Work around bug 26840.
10472 * config/darwin-crt3.c: Rewrite.
10473 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10475 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10477 * doc/invoke.texi: Document -femit-class-debug-always
10478 * common.opt: Add -femit-class-debug-always.
10480 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10482 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10483 index and base register.
10484 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10485 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10486 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10487 REGNO_OK_FOR_INDEX_P.
10488 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10490 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10491 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10492 REG_OK_FOR_BASE_P): Definitions removed.
10494 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10496 PR middle-end/26611
10497 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10498 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10499 set yet or weren't marked as local yet.
10501 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10503 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10506 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10508 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10509 (rs6000_legitimate_small_data_p): Delete.
10510 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10511 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10512 and make static. Add forward declaration. Update uses.
10513 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10514 of offsettable_memref_p.
10515 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10516 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10518 2006-03-24 Jeff Law <law@redhat.com>
10520 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10521 around bug in immediate-use iterator.
10523 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10526 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10527 or __LITTLE_ENDIAN__.
10529 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10531 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10532 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10533 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10534 * config/sh/sh.opt (mdiv=): Amend description.
10535 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10536 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10537 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10538 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10539 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10540 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10541 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10542 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10543 TARGET_DIVIDE_CALL_FP.
10545 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10547 * haifa-sched.c (choose_ready): Fix type of the local variable.
10548 Move local variables. Add comment.
10549 (check_reg_live): Change signature. Make callable from debugger.
10550 * sched-int.h (check_reg_live): Update signature.
10551 * sched-ebb.c (check_reg_live): Update parameters.
10552 * sched-rgn.c (check_reg_live): Ditto.
10553 (region_head_or_leaf_p): Check pointer before dereferencing.
10554 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10555 before reload on optimization levels below 1.
10557 2006-03-23 Richard Henderson <rth@redhat.com>
10559 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10563 * config/alpha/predicates.md (local_symbolic_operand): Reject
10566 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10569 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10570 expressions which have overflowed constants.
10572 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10574 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10576 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10578 * cfgloopmanip.c (create_loop_notes): Removed.
10579 * final.c (final_scan_insn): Do not handle loop notes.
10580 * jump.c (squeeze_notes): Ditto.
10581 * cfglayout.c (skip_insns_after_block,
10582 duplicate_insn_chain): Ditto.
10583 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10585 * cfgloop.h (create_loop_notes): Declaration removed.
10587 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10589 * varasm.c (output_constant_pool): Restore fnname and fndecl
10591 (assemble_start_function): Adjust call accordingly.
10592 (assemble_end_function): Likewise.
10594 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10597 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10600 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10602 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10605 * system.h (ICE_EXIT_CODE): New macro.
10606 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10607 (diagnostic_action_after_output): Likewise.
10608 * gcc.c (fatal_ice): New function.
10609 (execute): Use it instead of fatal.
10610 (fancy_abort): Likewise.
10611 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10613 2006-03-22 Jeff Law <law@redhat.com>
10615 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10616 iv_analyze_result returning false.
10618 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10620 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10622 2006-03-22 Richard Henderson <rth@redhat.com>
10624 PR middle-end/26084
10625 * except.c (duplicate_eh_regions_0): New.
10626 (duplicate_eh_region_1): Duplicate the children of the node as
10627 well as the node itself. Link them up properly.
10628 (duplicate_eh_region_2): Merge into ...
10629 (duplicate_eh_regions): ... here. Take copy_region argument, and
10630 copy only a sub-tree if asked. Simplify copying and fixup.
10631 (eh_region_outer_p): New.
10632 * except.h (duplicate_eh_regions): Update decl.
10633 (eh_region_outer_p): Declare.
10634 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10635 (lower_omp_master): Likewise.
10636 (lower_omp_ordered): Likewise.
10637 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10638 (move_stmt_r): Use it to remap labels. Handle recursion vs
10639 remap_decls_p properly.
10640 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10641 (find_outermost_region_in_block): New.
10642 (new_label_mapper): New.
10643 (move_sese_region_to_fn): Copy eh information to the new function
10645 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10647 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10650 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10652 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10653 into shared libraries.
10655 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10657 * doc/md.texi: Refer to i386/constraints.md instead of
10658 i386/predicates.md.
10659 * config/i386/constraints.md: New file, extracted from...
10660 * config/i386/predicates.md: ...here.
10661 * config/i386/i386.md: Include constraints.md.
10663 2006-03-21 Jason Merrill <jason@redhat.com>
10665 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10667 PR middle-end/20297
10668 * expr.c (init_block_move_fn): Force default visibility.
10669 (init_block_clear_fn): Likewise.
10670 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10671 * targhooks.c (default_external_stack_protect_fail): Likewise.
10673 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10675 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10676 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10677 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10678 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10679 (loadgp): Use mips_current_loadgp_style.
10680 (loadgp_noshared): New pattern.
10681 (sibcall_internal): Use MIPS_CALL.
10682 (sibcall_value_internal): Likewise.
10683 (sibcall_value_multiple_internal): Likewise.
10684 (call_internal): Likewise.
10685 (call_value_internal): Likewise.
10686 (call_value_multiple_internal): Likewise.
10687 (call_split): Use MIPS_CALL and add an 'S' constraint.
10688 (call_value_split): Likewise.
10689 (call_value_multiple_split): Likewise.
10690 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10691 (-mshared): New option.
10692 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10693 (mips_current_loadgp_style): Declare.
10694 * config/mips/mips.c (mips_classify_symbol): Avoid using
10695 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10696 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10697 TARGET_ABSOLUTE_ABICALLS.
10698 (override_options): Adjust comments. Improve the warning that is
10699 issued when -mabicalls and -G are used together.
10700 (mips_file_start): Remove comment.
10701 (mips_current_loadgp_style): New function.
10702 (mips_gnu_local_gp): New variable.
10703 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10705 (mips_output_function_prologue): Use mips_current_laodgp_style.
10706 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10707 the cprestore instruction.
10708 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10709 live for TARGET_ABSOLUTE_ABICALLS.
10710 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10711 (ASM_SPEC): Pass down -mshared and -mno-shared.
10712 (MIPS_CALL): New macro.
10713 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10715 * doc/invoke.texi (-mabicalls): Update documentation.
10716 (-mshared): Document.
10718 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10720 * config/ia64/unwind-hpux.c: New file.
10721 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10723 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10726 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10728 2006-03-21 Jeff Law <law@redhat.com>
10730 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10731 type conversions of a VR_VARYING source to a wider type.
10733 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10735 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10736 tm_file on Solaris 10 and later.
10737 (sparc64-*-solaris2*): Likewise.
10738 (sparc-*-solaris2*): Likewise.
10739 * config/sol26.h: Rename to config/sol2-6.h.
10740 * config/sol2-10.h: New file.
10742 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10745 * tree-ssa-pre.c (create_component_ref_by_pieces):
10748 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10751 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10752 return it immediately.
10754 2006-03-21 Michael Matz <matz@suse.de>
10756 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10758 (remove_arc, add_arc): Update num_out_arcs member.
10759 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10761 (cache_presence): New function.
10762 (compare_states_for_equiv): New function.
10763 (state_is_differed): Don't take number of outargs, adjust callers.
10764 Use new invariant for speeding up.
10765 (init_equiv_class): Create initial classes based on sorted
10767 (partition_equiv_class): Don't track out_arcs_num.
10768 (evaluate_equiv_classes): Call cache_presence on all states and
10771 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10773 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10774 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10775 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10776 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10778 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10779 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10780 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10781 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10782 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10784 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10785 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10786 (REGNO_REG_CLASS): ARGP is in PREGS.
10787 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10789 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10790 to deal with those addresses.
10791 * addresses.h: New file.
10792 * caller-save.c: Include "addresses.h".
10793 (init_caller_save): Use new base_reg_class function.
10794 * rtl-factoring.c: Include "addresses.h".
10795 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10796 * recog.c: Include "addresses.h".
10797 (preprocess_constraints): Use new base_reg_class function.
10798 * regrename.c: Include "addresses.h".
10799 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10800 functions. Keep track of a new var INDEX_CODE to compute valid
10802 (replace_oldest_value_addr): Likewise.
10803 (replace_oldest_value_mem): Use base_reg_class.
10804 * reload.c: Include "addresses.h".
10805 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10806 (find_reloads): Use new base_reg_class function.
10807 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10808 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10809 all callers and prototype changed.
10810 * reload1.c: Include "addresses.h".
10811 (maybe_fix_stack_asms): Use base_reg_class.
10812 * regclass.c: Include "addresses.h".
10813 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10814 (init_reg_autoinc): Use new base_reg_class function.
10815 (record_reg_classes): Likewise.
10816 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10817 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10818 Use new args to compute necessary class.
10820 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10821 regrename.o, rtl-factoring.o): Update dependencies.
10822 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10823 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10824 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10825 REG_OK_FOR_INDEX_P): Delete documentation.
10827 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10829 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10830 from V7 to V9 for Solaris 7 and above.
10832 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10834 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10835 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10836 argument pointers may not alias any other storage.
10837 * common.opt: Define option -fargument-noalias-anything.
10838 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10839 alias semantics is specified by flag_argument_noalias > 2.
10841 2006-03-20 Jeff Law <law@redhat.com>
10843 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10844 (pass_phi_only_cprop): Declare.
10845 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10846 with phi_only_cprop
10847 * tree-ssa-dom.c (degenerate_phi_result): New function.
10848 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10849 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10850 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10851 (eliminate_degenerate_phis): Likewise.
10852 (pass_phi_only_cprop): New pass descriptor.
10853 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10854 support code. Callers updated.
10855 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10856 (store_copy_prop): Likewise.
10857 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10859 2006-03-20 Jason Merrill <jason@redhat.com>
10862 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10863 (push_visibility, pop_visibility): Likewise.
10864 * c-pragma.h: Declare them.
10866 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10868 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10870 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10871 parameter and use get_ebb_head_tail.
10872 (sh_md_init_global): Adjust uses of find_regmode_weight.
10874 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10876 * function.h (struct function) <x_tail_recursion_reentry>:
10877 Rename to x_stack_check_probe_note.
10878 (tail_recursion_reentry): Rename to stack_check_probe_note.
10879 * function.c: Replace tail_recursion_reentry with
10880 stack_check_probe_note everywhere.
10881 (expand_function_start): Only emit a note for
10882 stack_check_probe_note with -fstack-protect.
10883 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10885 * emit-rtl.c (remove_unnecessary_notes): Remove.
10886 (pass_remove_unnecessary_notes): Remove.
10887 * rtl.h (remove_unnecessary_notes): Remove prototype.
10888 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10889 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10890 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10892 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10895 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10896 (valid_in_set): Handle ARRAY_REF.
10897 Change "if min_variant or VH" to asserts.
10898 (create_component_ref_by_pieces): Handle ARRAY_REF.
10899 (create_expression_by_pieces): Likewise.
10900 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10902 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10904 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10905 is operand of switch, not str[0].
10907 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10909 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10910 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10912 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10914 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10915 end of insn_extra_address_constraint declaration.
10917 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10919 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10920 (no-sum-in-toc): Same.
10921 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10923 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10924 NO_FP_IN_TOC for -fPIC instead of mask.
10926 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10927 (BOOT_LDFLAGS): Delete.
10929 * config/rs6000/t-aix52: Same.
10931 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10932 (stmsi[345678]_power): New.
10934 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10936 * config/ia64/ia64.opt: Add empty line to end of file.
10938 2006-03-17 Richard Guenther <rguenther@suse.de>
10940 PR middle-end/26721
10941 * builtins.c (get_pointer_alignment): For component style references
10942 adjust alignment to the component type alignment. Make sure
10943 to adjust alignment for component access of constants.
10945 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10947 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10948 unconditional jump.
10950 2006-03-17 Paul Brook <paul@codesourcery.com>
10952 * doc/install.texi: Docuemnt --with-mode.
10953 * config.gcc: Add --with-mode for arm*-*-*.
10954 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10956 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10958 * sh.c (max_labelno_before_reorg): New variable.
10959 (sh_reorg): Initialize it.
10960 (find_barrier): Check max_labelno_before_reorg before using
10961 label_to_alignment. Take length of explicit alignment insns
10962 into account. When seeing a UNSPECV_CONST_END, return it.
10964 * sh.c (fixup_mova): Set mode of affected label to QImode.
10965 (untangle_mova): New function.
10966 (find_barrier): Use it. Check mode of label before decrementing
10968 (sh_reorg): Likewise.
10969 Set mode of all insns back to VOIDmode.
10971 * sh.c (MOVA_LABELREF): New macro.
10972 (mova_p, fixup_mova, sh_reorg): Use it.
10973 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10974 ADDR_DIFF_VEC matches mova.
10976 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10978 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10979 with ATTRIBUTE_UNUSED.
10981 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10983 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10984 pointer, instead of assuming it is possible to derive the
10985 correct args size from a call insn.
10987 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10989 * rtl.h (CONST_INT_P): Define.
10990 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10991 instead of GET_CODE(x) == CONST_INT.
10992 (vax_rtx_costs): Likewise.
10993 (vax_output_int_move): Likewise.
10994 (vax_output_int_add): Likewise.
10995 (legitimate_constant_address_p): Likewise.
10996 (index_term_p): Likewise.
10997 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10998 * config/vax/vax.md (and<mode>3): Likewise.
10999 (ashrsi3): Likewise.
11001 (movstricthi): Likewise.
11002 (movstrictqi): Likewise.
11003 (rotrsi3): Likewise.
11004 (five unnamed insns): Likewise.
11006 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11008 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11009 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11010 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11011 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11012 Pass to ASM_OUTPUT_DWARF_OFFSET.
11013 * dwarf2out.c (debug_frame_section): New.
11014 (output_call_frame_info): Use debug_frame_section. Pass it to
11015 dw2_asm_output_offset.
11016 (output_die): Pass appropriate section to dw2_asm_output_offset.
11017 (output_compilation_unit_header): Likewise.
11018 (output_pubnames): Likewise.
11019 (output_aranges): Likewise.
11020 (enum dw_val_class): Break dw_val_class_lbl_offset into
11021 dw_val_class_lineptr and dw_val_class_macptr.
11022 (add_AT_lbl_offset): Delete.
11023 (add_AT_lineptr): New.
11024 (add_AT_macptr): New.
11025 (AT_lbl): Expect a lineptr or macptr.
11026 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11027 (attr_checksum): Likewise.
11028 (same_dw_val_p): Likewise.
11029 (size_of_die): Likewise.
11030 (value_format): Likewise.
11031 (output_die): Likewise.
11032 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11034 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11035 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11036 * config/darwin-protos.h (darwin_file_start): New.
11037 (darwin_asm_output_dwarf_offset): New.
11038 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11039 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11041 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11042 if not EH section; simplify.
11043 (darwin_file_start): New.
11044 (darwin_asm_output_dwarf_offset): New.
11045 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11047 (DEBUG_INFO_SECTION): Likewise.
11048 (DEBUG_ABBREV_SECTION): Likewise.
11049 (DEBUG_ARANGES_SECTION): Likewise.
11050 (DEBUG_MACINFO_SECTION): Likewise.
11051 (DEBUG_LINE_SECTION): Likewise.
11052 (DEBUG_LOC_SECTION): Likewise.
11053 (DEBUG_PUBNAMES_SECTION): Likewise.
11054 (DEBUG_STR_SECTION): Likewise.
11055 (DEBUG_RANGES_SECTION): Likewise.
11056 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11057 (ASM_OUTPUT_DWARF_OFFSET): New.
11059 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11061 * config.gcc (tm_defines): Always add to previous value rather
11064 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11066 * config/mips/predicates.md (splittable_const_int_operand): New,
11067 split from move_operand.
11068 (splittable_symbolic_operand): New.
11069 (move_operand): Add commentary. Use splittable_const_int_operand.
11070 Inline mips_atomic_symbolic_constant_p.
11071 * config/mips/mips.md: Add combine splitters for handling moves
11072 of splittable_const_int_operands and splittable_symbolic_operands.
11073 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11074 (mips_split_symbol): Declare.
11075 (mips_move_integer): Declare.
11076 * config/mips/mips.c (mips_split_p): Make global.
11077 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11078 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11079 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11080 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11081 (mips_offset_within_object_p): Handle block symbols.
11082 (mips_atomic_symbolic_constant_p): Delete.
11083 (mips_cannot_force_const_mem): Return false for constants that
11084 mips_legitimize_move can handle.
11085 (mips_use_blocks_for_constant_p): New function.
11086 (mips_split_symbol): Make global.
11087 (mips_move_integer): Likewise. Add a temporary register argument.
11088 (mips_legitimize_const_move): Use splittable_const_int_operand and
11089 splittable_symbolic_operand.
11090 (mips_use_anchors_for_symbol_p): New function.
11091 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11092 (mips_split_p): Declare.
11094 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11096 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11097 (mips*-*-linux*): Likewise.
11099 2006-03-16 Roger Sayle <roger@eyesopen.com>
11100 Daniel Speyer <dspeyer@wam.umd.edu>
11102 PR middle-end/18259
11103 * tree-dump.c (dump_real): New function.
11104 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11105 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11106 (tree-dump.o): Add $(REAL_H) to the dependencies.
11108 2006-03-16 Roger Sayle <roger@eyesopen.com>
11110 PR middle-end/21781
11111 * real.c (real_from_string): If the mantissa is zero, don't bother
11112 parsing the exponent as the result should always be zero.
11114 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11116 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11118 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11120 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11121 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11122 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11123 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11124 ia64_sched_finish_global): New static functions to implement
11125 hooks from gcc_target.sched.
11126 (spec_check_no, max_uid, pending_data_specs): New static variables.
11127 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11128 ia64_spec_check_src_p): New static functions.
11129 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11130 (TARGET_SCHED_ADJUST_COST): Removed.
11131 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11132 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11133 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11134 TARGET_SCHED_GEN_CHECK,
11135 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11136 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11137 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11138 Fixed to handle speculation checks.
11139 (rtx_needs_barrier): Fixed to handle speculative loads and
11141 (ia64_variable_issue): Added code to count speculative loads and their
11143 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11145 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11147 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11149 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11150 (ia64_reorg): Reset stops_p to NULL after it is freed.
11151 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11152 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11153 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11155 (data_speculative, control_speculative, check_load): New attributes.
11156 (mov<mode>_advanced, mov<mode>_speculative,
11157 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11158 zero_extend<mode>di2_speculative,
11159 zero_extend<mode>di2_speculative_advanced): New patterns for
11160 data and control speculative loads.
11161 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11163 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11164 New pattern for data and control speculation checks.
11165 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11166 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11167 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11168 Auxiliary definitions for the patterns.
11169 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11170 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11172 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11174 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11175 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11176 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11177 New resource constraints.
11178 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11180 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11181 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11182 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11183 msched-in-control-spec, msched-ldc, msched-control-ldc,
11184 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11185 msched-prefer-non-control-spec-insns,
11186 msched-count-spec-in-critical-path): New flags to tune speculative
11188 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11189 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11190 msched-in-control-spec, msched-ldc, msched-control-ldc,
11191 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11192 msched-prefer-non-control-spec-insns,
11193 msched-count-spec-in-critical-path): Document new flags.
11195 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11197 * target.h (struct spec_info_def): New opaque declaration.
11198 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11199 speculate_insn, needs_block_p, gen_check,
11200 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11201 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11202 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11203 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11204 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11205 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11207 (TARGET_SCHED): Use new macros.
11208 * rtl.h (copy_DEPS_LIST_list): New prototype.
11209 * sched-int.h (struct sched_info): Change signature of new_ready field,
11210 adjust all initializations. New fields: add_remove_insn,
11211 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11212 region_head_or_leaf_p.
11213 (struct spec_info_def): New structure declaration.
11214 (spec_info_t): New typedef.
11215 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11216 recovery_block, orig_pat.
11217 (glat_start, glat_end): New variables declaraions.
11218 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11220 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11221 DETACH_LIFE_INFO, USE_GLAT.
11222 (enum SPEC_SCHED_FLAGS): New enumeration.
11223 (NOTE_NOTE_BB_P): New macro.
11224 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11225 attach_life_info, debug_spec_status, check_reg_live): New functions.
11226 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11227 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11229 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11230 * ddg.c (get_block_head_tail): Adjust all uses.
11231 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11232 (sms_sched_info): Initialize new fields.
11233 (contributes_to_priority): Removed.
11234 * haifa-sched.c (params.h): New include.
11235 (get_block_head_tail): Adjust all uses.
11236 (ISSUE_POINTS): New macro.
11237 (glat_start, glat_end): New global variables.
11238 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11239 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11240 old_last_basic_block, before_recovery, current_sched_info_var,
11241 rgn_n_insns, luid): New static variables.
11242 (insn_cost1): New function. Move logic from insn_cost to here.
11243 (find_insn_reg_weight1): New function. Move logic from
11244 find_insn_reg_weight to here.
11245 (reemit_notes, move_insn, max_issue): Change signature.
11246 (move_insn1): Removed.
11247 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11248 extend_bb): New static functions to support extension of scheduler's
11250 (generate_recovery_code, process_insn_depend_be_in_spec,
11251 begin_speculative_block, add_to_speculative_block,
11252 init_before_recovery, create_recovery_block, create_check_block_twin,
11253 fix_recovery_deps): New static functions to support
11254 generation of recovery code.
11255 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11256 restore_bb_notes, move_block_after_check, move_succs): New static
11257 functions to support ebb scheduling.
11258 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11259 functions to support handling of register live information.
11260 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11261 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11262 add_jump_dependencies): New static functions.
11263 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11264 consistancy checking.
11265 (debug_spec_status): New function to call from debugger.
11266 (priority): Added code to handle speculation checks.
11267 (rank_for_schedule): Added code to distinguish speculative instructions.
11268 (schedule_insn): Added code to handle speculation checks.
11269 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11270 Fixed to handle ebbs.
11271 (move_insn): Added code to handle ebb scheduling.
11272 (max_issue): Added code to use ISSUE_POINTS of instructions.
11273 (choose_ready): Added code to choose between speculative and
11274 non-speculative instructions.
11275 (schedule_block): Added code to handle ebb scheduling and scheduling of
11276 speculative instructions.
11277 (sched_init): Initialize new variables.
11278 (sched_finish): Free new variables. Print statistics.
11279 (try_ready): Added code to handle speculative instructions.
11280 * lists.c (copy_DEPS_LIST_list): New function.
11281 * sched-deps.c (extend_dependency_caches): New function. Move logic
11282 from create_dependency_caches to here.
11283 (get_dep_weak, ds_merge): Make global.
11284 * genattr.c (main): Code to output prototype for
11285 dfa_clear_single_insn_cache.
11286 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11287 (output_dfa_clean_insn_cache_func): Code to output
11288 dfa_clear_single_insn_cache function.
11289 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11291 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11293 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11294 New static variables.
11295 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11296 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11298 (ebb_sched_info): Initialize new fields.
11299 (get_block_head_tail): Adjust all uses.
11300 (compute_jump_reg_dependencies): Fixed to use glat_start.
11301 (schedule_ebb): Code to remove unreachable last block.
11302 (schedule_ebbs): Added code to update register live information.
11303 * sched-rgn.c (region_sched_info): Initialize new fields.
11304 (get_block_head_tail): Adjust all uses.
11305 (last_was_jump): Removed. Adjust users.
11306 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11307 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11308 Implement new hooks.
11309 (check_dead_notes1): New static function.
11310 (struct region): New fields: dont_calc_deps, has_real_ebb.
11311 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11312 (BB_TO_BLOCK): Fixed to handle EBBs.
11313 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11314 (ebb_head): New static variable.
11315 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11316 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11318 (compute_dom_prob_ps): New assertion.
11319 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11320 global_live_at_start.
11321 (init_ready_list): New assertions.
11322 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11323 (new_ready): Add support for BEGIN_CONTROL speculation.
11324 (schedule_insns): Fixed code that updates register live information
11326 (schedule_region): Fixed to handle EBBs.
11327 (init_regions): Use extend_regions and check_dead_notes1.
11328 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11329 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11330 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11331 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11332 TARGET_SCHED_GEN_CHECK,
11333 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11334 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11335 * doc/invoke.texi (max-sched-insn-conflict-delay,
11336 sched-spec-prob-cutoff): Document.
11338 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11340 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11341 inter_tick, queue_index.
11342 (struct sched_info): Change signature of init_ready_list field.
11343 Adjust all initializations.
11344 (RESOLVED_DEPS): New access macro.
11345 (ready_add): Remove prototype.
11346 (try_ready): Add prototype.
11347 * sched-rgn.c (init_ready_list): Use try_ready.
11348 (schedule_region): Initialize
11349 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11350 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11351 (init_ready_list): Use try_ready.
11352 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11353 * lists.c (remove_list_elem): Remove `static'.
11354 (remove_free_INSN_LIST_elem): New function.
11355 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11356 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11357 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11359 (readyp): New variable.
11360 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11361 change_queue_index, resolve_dep): New static functions.
11362 (try_ready): New function. Adjust callers in sched-rgn.c and
11363 sched-ebb.c to use it instead of ready_add.
11364 (clock_var): Move at the begining of file.
11365 (rank_for_schedule): Fix typo.
11366 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11367 (ready_lastpos): Enforce assertion.
11368 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11369 update all callers.
11370 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11371 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11372 (queue_to_ready): Use free_INSN_LIST_list.
11373 (early_queue_to_ready): Fix typo.
11374 (schedule_block): Init readyp. Move init_ready_list call after the
11375 initialization of clock_var. Fix error in rejecting insn by
11376 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11377 that previously corrected INSN_TICKs. Add code for handling
11379 (set_priorities): Fix typo.
11380 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11381 Clarify comment and code that keeps current_sched_info->next_tail
11384 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11386 * sched-rgn.c (extend_rgns): New static function.
11387 (find_rgns): Use it.
11388 (gather_region_statistics, print_region_statistics): New static
11390 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11391 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11393 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11394 Andrey Belevantsev <abel@ispras.ru>
11396 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11397 * lists.c (unused_deps_list): New variable.
11398 (free_list): Add assertions to verify the proper distinguishing
11399 between INSN_LISTs and DEPS_LISTs.
11400 (find_list_elem, remove_list_elem, remove_list_node): New static
11402 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11403 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11404 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11405 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11407 (free_INSN_LIST_node): Likewise.
11408 * modulo-sched.c (current_sched_info): Initialize flags field.
11409 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11410 * rtl.def (DEPS_LIST): Define.
11411 * rtl.h: Declare new functions from lists.c.
11412 * sched-deps.c (spec_dependency_cache): New static variable.
11413 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11414 (add_dependence): Change return type to void. Move the logic to ...
11415 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11416 (delete_all_dependences): Add comment about forward_dependency_cache.
11417 Handle spec_dependency_cache. Handle DEPS_LISTs.
11418 (fixup_sched_groups): Clarify the change of priority of output
11419 and anti dependencies.
11420 (sched_analyze_2): Adjust add_dependence calls to create data
11421 speculative dependence.
11422 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11423 Adjust all callers. Handle DEPS_LISTS.
11424 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11425 presence of speculation.
11426 (init_dependency_caches, free_dependency_caches):
11427 Handle spec_dependency_cache.
11428 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11429 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11430 New static functions.
11431 (add_or_update_back_dep, add_or_update_back_forw_dep,
11432 add_back_forw_dep, delete_back_forw_dep): New functions.
11433 * sched-int.h (ds_t, dw_t): New typedefs.
11434 (struct sched_info): Add new field flags.
11435 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11436 Prototype new sched-deps.c functions.
11437 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11438 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11439 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11440 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11441 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11442 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11444 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11446 * sched-rgn.c (current_sched_info): Initialize flags field.
11447 (schedule_insns): Initialize current_sched_info before the sched_init
11449 * sched-ebb.c (current_sched_info): Initialize flags field.
11450 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11451 Call add_or_update_back_dep instead of add_dependence.
11452 Create control speculative dependencies.
11453 (schedule_insns): Initialize current_sched_info before the sched_init
11456 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11458 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11460 (sh_fallback_frame_state): Likewise.
11462 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11464 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11465 Do switch on default_use_cxa_atexit.
11466 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11467 * config/darwin-crt3.o: New.
11468 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11469 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11470 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11472 * config/rs6000/t-darwin: Move crt2.o building to here.
11473 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11474 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11477 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11479 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11480 from '! xxx' to '!xxx' for coding-style conformance.
11481 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11482 (EXTRA_CONSTRAINT): Likewise.
11483 * config/vax/vax.md (four unnamed insns): Likewise.
11485 2006-03-15 Paul Brook <paul@codesourcery.com>
11487 * config/arm/arm.c (minipool_pad): New.
11488 (add_minipool_forward_ref): Include pool alignment padding in address
11490 (push_minipool_fix): Set minipool_pad.
11491 (minipool_pad): Ditto.
11493 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11495 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11496 instead of GET_CODE() == MEM and REG_P() instead of
11498 (print_operand_address): Likewise.
11499 (vax_address_cost): Likewise.
11500 (vax_rtx_costs): Likewise.
11501 (vax_notice_update_cc): Likewise.
11502 (vax_output_int_add): Likewise.
11503 (INDEX_REGISTER_P): Likewise.
11504 (BASE_REGISTER_P): Likewise.
11505 (nonindexed_address_p): Likewise.
11506 (vax_mode_dependent_address_p): Likewise.
11507 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11508 (PRINT_OPERAND): Likewise.
11509 * config/vax/vax.md (ashlsi3): Likewise.
11510 (ashlsi3): Likewise.
11511 (some more unnamed insns): Likewise.
11513 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11515 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11516 iterator-style macro.
11517 (mark_control_dependent_edges_necessary): Update the use of
11518 EXECUTE_IF_CONTROL_DEPENDENT.
11520 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11522 * config/sh/predicates.md (cache_address_operand): Special.
11523 (ua_address_operand): Likewise.
11525 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11527 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11529 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11531 2006-03-15 Andreas Schwab <schwab@suse.de>
11533 * gensupport.c (identify_predicable_attribute): Don't free p_false
11534 when it is still in use.
11536 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11538 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11539 the default setting here.
11541 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11543 * tree-pass.h (pass_cfg): Remove.
11544 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11545 * passes.c (pass_cfg): Don't run it.
11547 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11549 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11550 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11552 (stack_regs_mentioned): Update the uses of
11553 stack_regs_mentioned_data. Don't access the array beyond its
11555 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11556 Don't include gt-reg-stack.h.
11558 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11559 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11561 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11563 PR middle-end/26684
11564 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11567 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11569 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11571 2006-03-14 Richard Guenther <rguenther@suse.de>
11573 PR tree-optimization/26672
11574 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11577 2006-03-14 Richard Guenther <rguenther@suse.de>
11579 PR tree-optimization/26667
11580 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11581 node for the callees. Always allow inlining if it will shrink
11584 2006-03-14 Richard Guenther <rguenther@suse.de>
11586 PR middle-end/26659
11587 * builtins.c (get_pointer_alignment): Prefer alignment
11588 information from decls over that from types.
11590 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11593 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11595 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11597 * config/rs6000/rs6000.opt (mdlmzb): New option.
11598 (msched-prolog, msched-epilog): Use Var not Mask.
11599 * doc/invoke.texi (-mdlmzb): Document.
11600 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11602 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11603 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11605 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11607 PR rtl-optimization/25739
11608 * bt-load.c (augment_live_range): Free tos pointer.
11610 * gensupport.c (identify_predicable_attribute): Free
11612 * gcov.c (create_file_names): Free name pointer.
11614 2006-03-13 Roger Sayle <roger@eyesopen.com>
11616 PR middle-end/26557
11617 * stmt.c (emit_case_nodes): Handle the case where the index is a
11618 CONST_INT, where the comparison mode is specified by the index type.
11620 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11622 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11625 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11627 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11628 (*branch_fp_inverted): Likewise.
11630 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11632 PR middle-end/25989
11633 * omp-low.c (expand_omp_for_generic): Mark istart0
11634 and iend0 as addressable.
11636 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11638 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11640 2006-03-13 Jeff Law <law@redhat.com>
11642 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11643 virtual operands are interesting.
11644 (vrp_visit_stmt): Corresponding changes.
11646 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11648 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11650 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11651 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11652 * config/bfin/crti.S: Use it instead of __PIC__.
11653 * config/bfin/crtn.S: Likewise.
11655 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11656 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11658 Lose 'G' modifier for call operand.
11659 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11660 recognize 'G' modifier.
11662 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11664 PR middle-end/18859
11665 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11666 * stmt.c (expand_case): Likewise.
11668 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11670 PR rtl-optimization/26254
11671 * loop-invariant.c (seq_insns_valid_p): New function.
11672 (move_invariant_reg): Only emit new code if it is valid.
11674 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11676 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11678 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11679 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11680 (commit_one_edge_insertion): Do not look for loop notes.
11682 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11684 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11685 flag_test_coverage out of loop.
11687 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11689 * final.c (shorten_branches): Remove outdated comment, and turn
11690 the if branch that guards it to continue.
11692 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11694 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11695 * cfgloop.h (struct loop): Remove unused fields.
11697 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11699 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11700 (-dL, -fdump-rtl-loop2): Update the dump file names
11702 * doc/invoke.texi: Update dump file names.
11704 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11706 * predict.c (estimate_probability): Remove.
11707 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11708 * basic-block.h (estimate_probability): Remove prototype.
11709 * passes.c (finish_optimization_passes): Dump branch prediction or
11710 profiling heuristics to the .profile tree dump.
11711 (init_optimization_passes): Unqueue pass_branch_prob.
11713 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11715 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11717 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11718 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11720 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11722 * function.h (frame_offset_overflow): Declare.
11723 * function.c (frame_offset_overflow): New function.
11724 (assign_stack_local_1): Call it to detect that the offset overflows.
11725 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11727 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11729 * config/sh/sh.c: Include alloc-pool.h.
11730 (label_ref_list_pool): New alloc pool.
11731 (label_ref_list_t): New type for lists of labels.
11732 (struct pool_node): Make wend a label_ref_list_t.
11733 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11735 (dump_table): Likewise.
11736 (sh_reorg): Set up the alloc pool before using add_constant and
11737 dump_table, and destroy it when finishing.
11739 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11741 * config/mips/mips.c: Remove redundant comment.
11743 2006-03-10 Jason Merrill <jason@redhat.com>
11746 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11747 the target was declared 'register'.
11749 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11751 * genpreds.c (write_insn_constraint_len): Change definition of
11752 insn_constraint_len to return size_t to match the declaration.
11754 2006-03-10 DJ Delorie <dj@redhat.com>
11756 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11758 (m32c_expand_insv): Fix test for an AND mask.
11760 2006-03-10 Richard Guenther <rguenther@suse.de>
11762 PR middle-end/26565
11763 * builtins.c (get_pointer_alignment): Handle component
11764 references for field alignment.
11766 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11768 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11769 when building with libgloss.
11770 (sh*elf): Implement --without-fp option.
11771 (sh64-superh-linux*): Don't multilib.
11773 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11775 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11777 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11779 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11780 Set it when one of the replacement functions returned true.
11781 Return TODO_cleanup_cfg if cfgchanged is true.
11782 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11784 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11786 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11787 instead of gen_lowpart.
11789 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11791 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11793 (mips_output_order_conditional_branch): Declare.
11794 * config/mips/mips.h (MIPS_BRANCH): New macro.
11795 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11796 for the comparison. Use gen_condjump.
11797 (mips_output_conditional_branch): Rework interface to take the
11798 asm templates for a direct branch and the inverse of a direct branch.
11799 (mips_output_order_conditional_branch): New function.
11800 (mips_builtin_branch_and_move): New function.
11801 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11802 branch condition. Use gen_single_cc as the condition for
11803 __builtin_mips_upper_* or __builtin_mips_lower_*.
11804 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11805 Use VOIDmode for the branch condition.
11806 * config/mips/predicates.md (order_operator): New predicate.
11807 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11808 (branch_fp): Rename to...
11809 (*branch_fp): ...this. Remove mode from comparison operator.
11810 Use new mips_output_conditional_branch interface.
11811 (branch_fp_inverted): Rename to...
11812 (*branch_fp_inverted): ...this and update as for *branch_fp.
11813 (*branch_zero<mode>): Rename to...
11814 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11815 Use mips_output_order_conditional_branch. Only accept ordered
11817 (*branch_zero<mode>_inverted): Rename to...
11818 (*branch_order<mode>_inverted): ...this and update as for
11819 *branch_order<mode>.
11820 (*branch_equality<mode>): Accept zero as the second operand to
11821 the equality operator. Use the new mips_output_conditional_branch
11823 (*branch_equality<mode>_inverted): Likewise.
11824 (condjump): New expander.
11825 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11827 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11828 (bc1any2t, bc1any2f): Likewise.
11829 (single_cc): New expander.
11830 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11832 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11834 * doc/md.texi: Update documentation of MIPS constraints.
11835 * config/mips/constraints.md: New file.
11836 * config/mips/mips.md: Include it.
11837 * config/mips/mips.c (mips_char_to_class): Delete.
11838 (override_options): Don't initialize mips_char_to_class.
11839 * config/mips/mips.h (mips_char_to_class): Delete.
11840 (REG_CLASS_FROM_LETTER): Delete.
11841 (CONST_OK_FOR_LETTER_P): Delete.
11842 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11843 (EXTRA_CONSTRAINT_Y): Delete.
11844 (EXTRA_CONSTRAINT_STR): Delete.
11845 (CONSTRAINT_LEN): Delete.
11846 (EXTRA_MEMORY_CONSTRAINT): Delete.
11848 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11850 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11851 original fn's eh regions.
11853 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11855 * fold-const.c (build_range_check): Make sure to use a valid type to
11856 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11859 (range_predecessor): New static function.
11860 (range_successor): Likewise.
11861 (merge_ranges): Use them to compute predecessors and successors of
11864 2006-03-09 Roger Sayle <roger@eyesopen.com>
11866 PR middle-end/26561
11867 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11868 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11870 2006-03-08 DJ Delorie <dj@redhat.com>
11872 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11873 (addpsi3): Expand to include memory operands. Remove
11874 reload-specific splits.
11875 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11876 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11877 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11878 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11879 (shift1_qi, shift1_hi, insv): New.
11880 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11881 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11882 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11884 * config/m32c/m32c-protos.h: Update as needed.
11885 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11886 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11887 Fail for unrecognized R* constraints.
11888 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11889 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11890 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11892 (m32c_init_libfuncs): New.
11893 (m32c_legitimate_address_p): Add debug wrapper.
11894 (m32c_rtx_costs): New.
11895 (m32c_address_cost): New.
11896 (conversions): Add 'B' prefix.
11897 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11898 operands, or word regnames for QI operands. 'B' prints bit
11900 (m32c_expand_setmemhi): New.
11901 (m32c_expand_movmemhi): New.
11902 (m32c_expand_movstr): New.
11903 (m32c_expand_cmpstr): New.
11904 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11905 (m32c_expand_neg_mulpsi3): Handle non-ints.
11906 (m32c_cmp_flg_0): New.
11907 (m32c_expand_movcc): New.
11908 (m32c_expand_insv): New.
11909 (m32c_scc_pattern): New.
11910 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11911 a0/a1 out of SIregs.
11912 (STORE_FLAG_VALUE): New.
11913 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11916 * config/m32c/mov.md: Make constraints more liberal.
11917 (zero_extendqihi2): Optimize r0/r1 case.
11918 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11919 * config/m32c/predicates.md (m32c_any_operand): New.
11920 (m32c_nonimmediate_operand): New.
11921 (m32c_hl_operand): New.
11922 (m32c_r3_operand): New.
11925 (memsym_operand): New.
11926 (memimmed_operand): New.
11927 (a_qi_operand): New.
11928 (m32c_eqne_operator): New.
11929 (m32c_1bit8_operand): New.
11930 (m32c_1bit16_operand): New.
11931 (m32c_1mask8_operand): New.
11932 (m32c_1mask16_operand): New.
11933 * config/m32c/blkmov.md: New file.
11934 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11936 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11938 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11939 unsigned to fix signed/unsigned comparison issue in
11940 DWARF2_FRAME_REG_OUT.
11941 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11942 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11944 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11945 of ptr into the ENABLE_CHECKING section.
11947 2006-03-08 Jeff Law <law@redhat.com>
11949 * tree-vrp.c (infer_value_range): Only count pointer uses
11950 and dereferences if -fdelete-null-pointer-checks is enabled.
11952 * tree-vrp.c (find_assert_locations): Infer value ranges for
11953 single use pointers, but do not create ASSERT_EXPRs for them.
11954 When a non-null range is inferred for a pointer, backwards
11955 propagate that range to other equivalent pointers through the
11958 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11961 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11962 language hook targets.
11963 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11964 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11965 if language hook targets were missing.
11967 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11969 * tree-ssa-opfinalize.h: Removed.
11970 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11972 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11973 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11974 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11975 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11976 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11977 finalize_ssa_v_must_def_ops): New.
11979 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11981 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11982 block as parameter.
11984 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11986 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11988 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11989 addresses with offsets; reorganize.
11991 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11992 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11993 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11995 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11998 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12000 2006-03-08 Ben Elliston <bje@au.ibm.com>
12002 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12004 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12007 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12010 2006-03-07 Richard Guenther <rguenther@suse.de>
12012 PR tree-optimization/26587
12013 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12015 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12017 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12019 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12021 * hooks.c (hook_bool_mode_rtx_true): New function.
12022 * hooks.h (hook_bool_mode_rtx_true): Declare.
12023 * toplev.c (compile_file): Call output_shared_constant_pool.
12024 * varasm.c (shared_constant_pool): New variable.
12025 (assemble_start_function, assemble_end_function): Remove arguments
12026 from call to output_constant_pool.
12027 (create_constant_pool): New function, split out from...
12028 (init_varasm_status): ...here.
12029 (force_const_mem): Choose between the shared and per-function constant
12030 pools. Set current_function_uses_const_pool when reusing old entries
12031 as well as when creating new ones.
12032 (mark_constant): Ignore data argument.
12033 (mark_constants): Remove pool argument.
12034 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12035 to decide whether the function uses a constant pool.
12036 (output_constant_pool_contents): New function, split out from...
12037 (output_constant_pool): ...here.
12038 (output_shared_constant_pool): New function.
12039 (init_varasm_once): Initialize shared_constant_pool.
12040 * output.h (output_constant_pool): Delete.
12041 (output_shared_constant_pool): Declare.
12042 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12043 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12045 2006-03-06 Nick Clifton <nickc@redhat.com>
12047 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12048 flag_strength_reduce.
12050 2006-03-06 Ben Elliston <bje@au.ibm.com>
12052 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12053 x86_64-*-linux* configurations.
12055 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12056 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12058 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12060 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12062 * basic-block.h: Remove the extern for
12063 rediscover_loops_after_threading.
12065 * cfgloop.c (cancel_loop): Make it static.
12066 * cfgloop.h: Remove the prototype for cancel_loop.
12068 * flow.c (recompute_reg_usage): Make it static.
12069 * rtl.h: Remove the prototype for recompute_reg_usage.
12071 * function.c (use_return_register): Make it static.
12072 * function.h: Remove the prototype.
12074 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12076 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12078 * recog.h: Remove the prototype for
12079 validate_change_maybe_volatile.
12081 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12083 * rtlanal.c (replace_reg): Remove.
12084 * rtl.h: Remove the prototype for replace_reg.
12086 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12088 * regclass.c (reg_scan_update): Remove.
12089 (reg_scan_mark_refs): Remove the last argument.
12090 * rtl.h: Remove the prototype for reg_scan_update.
12092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12094 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12095 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12096 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12097 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12098 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12099 loop-invariant.c, omp-low.c, opts.c, passes.c,
12100 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12101 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12102 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12103 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12104 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12105 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12107 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12109 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12110 * dwarf2out.h: Remove the prototype for
12111 dwarf2out_add_library_unit_info.
12113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12115 * tree.c (add_var_to_bind_expr): Remove.
12116 * tree.h: Remove the prototype for add_var_to_bind_expr.
12118 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12120 * regclass.c (n_non_fixed_regs): Remove.
12121 (init_reg_sets_1, globalize_reg): Remove all uses of
12123 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12127 * rtlanal.c (insns_safe_to_move_p): Remove.
12128 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12130 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12132 * expmed.c (expand_mult_add): Remove.
12133 * expr.h: Remove the prototype for expand_mult_add.
12135 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12137 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12138 and REG_SAVED_VAL_EXP constants.
12139 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12140 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12141 Handle regs stored by value.
12142 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12143 (execute_cfa_program): Handle DW_CFA_val_offset,
12144 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12145 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12146 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12147 (uw_install_context_1): Handle target regs stored by value.
12149 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12151 * tree-sra.c (tree_sra): Return todoflags;
12152 (generate_one_element): Set TODO_update_smt_usage if needed.
12153 (pass_sra): Remove TODO_update_smt_usage.
12154 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12156 (tree_ssa_forward_propagate_single_use_vars): Return
12157 TODO_update_smt_usage if we need to update SMT usage.
12158 (pass_forwprop): Remove TODO_update_smt_usage.
12160 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12162 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12163 (correct_use_link): Remove reference to get_stmt_operands.
12164 (update_stmt_operands): Likewise.
12165 (get_modify_expr_operands): New function factored out of
12166 parse_ssa_operands and get_expr_operands.
12167 Try to create V_MUST_DEFs for LHS by default.
12168 (get_expr_operands) <case MODIFY_EXPR>: Call
12169 get_modify_expr_operands.
12170 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12171 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12172 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12173 get_modify_expr_operands.
12175 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12177 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12178 * tree-flow.h: Remove the prototype for
12179 referenced_var_lookup_if_exists.
12181 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12183 PR rtl-optimization/26345
12185 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12187 2006-03-03 Roger Sayle <roger@eyesopen.com>
12189 PR tree-optimization/26524
12190 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12191 fold_convert to create a constant of the appropriate type.
12193 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12195 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12196 SYMBOL_REF_IN_BLOCK_P.
12197 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12198 of SYMBOL_FLAG_IN_BLOCK.
12199 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12200 instead of SYMBOL_REF_IN_BLOCK_P.
12201 * explow.c (use_anchored_address): Likewise.
12202 * rtl.c (rtx_size): Likewise.
12203 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12204 instead of SYMBOL_FLAG_IN_BLOCK.
12205 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12206 SYMBOL_REF_IN_BLOCK_P.
12207 (assemble_variable): Likewise.
12208 (output_constant_def_contents): Likewise.
12209 (output_constant_pool): Likewise.
12210 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12211 instead of SYMBOL_FLAG_IN_BLOCK.
12212 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12213 SYMBOL_REF_IN_BLOCK_P.
12214 (SYMBOL_REF_BLOCK): Likewise.
12215 (SYMBOL_REF_OFFSET): Likewise.
12216 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12217 SYMBOL_REF_IN_BLOCK_P.
12218 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12219 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12220 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12221 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12223 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12225 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12227 2006-03-02 Roger Sayle <roger@eyesopen.com>
12229 * simplify-rtx.c (simplify_unary_operation): When simplifying
12230 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12231 that we perform the right shift in the appropriate mode, and
12232 then extend or truncate the result to requested mode.
12234 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12236 * gengtype.c (main): Handle double_int type.
12237 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12238 * double-int.c: New file.
12239 * double-int.h: New file.
12240 * system.h: Include doubleint.h.
12241 * Makefile.in (SYSTEM_H): Include double-int.h.
12242 (double-int.o): Add.
12244 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12247 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12250 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12252 * tree-vrp.c (remove_range_assertions): Do not update statements
12255 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12257 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12259 * gcse.c (rest_of_handle_gcse): Ditto.
12260 * except.c (gate_handle_eh): Ditto.
12261 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12262 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12264 2006-03-02 Eric Christopher <echristo@apple.com>
12266 * config/i386/i386.c (machopic_output_stub): Add indirection to
12269 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12273 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12275 Sun Niagara specific optimizations.
12276 * config.gcc: Recognize niagara as target.
12277 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12278 (TARGET_CPU_niagara): Define.
12279 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12280 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12281 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12282 (ASM_CPU_SPEC): Likewise.
12283 (PROCESSOR_NIAGARA): New enum entry.
12284 (REGISTER_MOVE_COST): Handle Niagara.
12285 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12286 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12287 (sparc_override_options): Recognize "niagara", set appropriate
12288 default MASK_* values for it, and align functions to 32-bytes
12289 by default just like ULTRASPARC/ULTRASPARC3.
12290 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12291 (sparc64_initialize_trampoline): Likewise.
12292 (sparc_use_sched_lookahead): Use zero for niagara.
12293 (sparc_issue_rate): Use one for niagara.
12294 * config/sparc/niagara.md: New file.
12295 * config/sparc/sparc.md: Include it.
12296 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12297 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12298 when default cpu is niagara.
12299 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12300 (ASM_CPU_SPEC): Likewise.
12301 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12302 when default cpu is niagara.
12303 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12304 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12305 just like v9/ultrasparc/ultrasparc3.
12306 * doc/invoke.texi: Add documentation for "niagara" and improve
12307 existing documentation for ultrasparc variants.
12309 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12311 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12313 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12315 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12316 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12317 and say that only one is needed.
12318 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12319 * target.h (have_switchable_bss_sections): New hook.
12320 * explow.c (use_anchored_address): Check that the symbol is in a block.
12321 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12322 (bss_noswitch_section): New variables.
12323 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12324 (get_noswitch_section): New function.
12325 (get_block_for_section): Allow SECT to be null.
12326 (unlikely_text_section_p): Use SECTION_STYLE.
12327 (bss_initializer_p): New function.
12328 (get_variable_section): Move earlier in file. Take a new argument,
12329 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12330 Return one of the new *_sections in such cases.
12331 (get_block_for_decl): New function, extracting some logic from
12332 use_blocks_for_decl_p.
12333 (change_symbol_section): Remove in favor of...
12334 (change_symbol_block): ...this new function.
12335 (use_blocks_for_decl_p): Remove checks now performed by
12336 get_block_for_decl.
12337 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12338 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12339 (emit_local, emit_bss, emit_common): ...these new functions.
12340 Return true if the alignment was honored.
12341 (emit_tls_common): New function.
12342 (asm_emit_uninitialised): Delete.
12343 (assemble_variable_noswitch): New function, split out from...
12344 (assemble_variable): ...here. Don't make decisions about common
12345 variables here. Globalize all public decls that go into non-common
12346 sections. Check whether SYMBOL_REF_BLOCK is null.
12347 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12348 (output_constant_pool): Likewise.
12349 (init_varasm_once): Initialize the new section variables.
12350 (have_global_bss_p): New function.
12351 (categorize_decl_for_section): Use bss_initializer_p.
12352 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12353 (place_block_symbol): Assert that the symbol must be in a block.
12354 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12355 (TARGET_INITIALIZER): Include it.
12356 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12357 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12358 (SECTION_MACH_DEP): Bump by two.
12359 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12360 (unnamed_section): Mention SECTION_UNNAMED in comment.
12361 (named_section): Likewise SECTION_NAMED.
12362 (noswitch_section_callback): New type.
12363 (noswitch_section): New structure.
12364 (section): Add a noswitch_section alternative.
12365 (SECTION_STYLE): New macro.
12366 (tls_comm_section, comm_section, lcomm_section): Declare.
12367 (bss_noswitch_section, have_global_bss_p): Declare.
12368 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12369 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12371 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12372 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12375 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12377 * tree-vrp.c (execute_vrp): Return value.
12378 * regrename.c (rest_of_handle_regrename): Ditto.
12379 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12380 * tree-complex.c (tree_lower_complex): Ditto.
12381 (tree_lower_complex_O0): Ditto.
12382 * tracer.c (rest_of_handle_tracer): Ditto.
12383 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12384 * postreload.c (rest_of_handle_postreload): Ditto.
12385 * tree-tailcall.c (execute_tail_recursion): Ditto.
12386 (execute_tail_calls): Ditto.
12387 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12388 * tree.h (init_function_for_compilation): Ditto.
12389 * ipa-cp.c (ipcp_driver): Ditto.
12390 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12391 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12392 * final.c (compute_alignments): Ditto.
12393 (rest_of_handle_final): Ditto.
12394 (rest_of_handle_shorten_branches): Ditto.
12395 (rest_of_clean_state): Ditto.
12396 * omp-low.c (execute_expand_omp): Ditto.
12397 (execute_lower_omp): Ditto.
12398 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12399 * ipa-reference.c (static_execute): Ditto.
12400 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12401 * reorg.c (rest_of_handle_delay_slots): Ditto.
12402 (rest_of_handle_machine_reorg): Ditto.
12403 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12404 * flow.c (recompute_reg_usage): Ditto.
12405 (rest_of_handle_remove_death_notes): Ditto.
12406 (rest_of_handle_life): Ditto.
12407 (rest_of_handle_flow2): Ditto.
12408 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12409 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12410 (do_ssa_store_ccp): Ditto.
12411 (execute_fold_all_builtins): Ditto.
12412 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12413 * modulo-sched.c (rest_of_handle_sms): Ditto.
12414 * ipa-pure-const.c (static_execute): Ditto.
12415 * cse.c (rest_of_handle_cse): Ditto.
12416 (rest_of_handle_cse2): Ditto.
12417 * web.c (rest_of_handle_web): Ditto.
12418 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12419 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12420 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12421 * tree-nrv.c (tree_nrv): Ditto.
12422 (execute_return_slot_opt): Ditto.
12423 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12424 (create_structure_vars): Ditto.
12425 * loop-init.c (rtl_loop_init): Ditto.
12426 (rtl_loop_done): Ditto.
12427 (rtl_move_loop_invariants): Ditto.
12428 (rtl_unswitch): Ditto.
12429 (rtl_unroll_and_peel_loops): Ditto.
12430 (rtl_doloop): Ditto.
12431 * gimple-low.c (lower_function_body): Ditto.
12432 (mark_used_blocks): Ditto.
12433 * tree-ssa-sink.c (execute_sink_code): Ditto.
12434 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12435 (cgraph_early_inlining): Ditto.
12436 * global.c (rest_of_handle_global_alloc): Ditto.
12437 * jump.c (cleanup_barriers): Ditto.
12438 (purge_line_number_notes): Ditto.
12439 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12440 (rest_of_handle_if_after_reload): Ditto.
12441 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12442 (tree_ssa_loop_im): Ditto.
12443 (tree_ssa_loop_unswitch): Ditto.
12444 (tree_vectorize): Ditto.
12445 (tree_linear_transform): Ditto.
12446 (tree_ssa_loop_ivcanon): Ditto.
12447 (tree_ssa_empty_loop): Ditto.
12448 (tree_ssa_loop_bounds): Ditto.
12449 (tree_complete_unroll): Ditto.
12450 (tree_ssa_loop_prefetch): Ditto.
12451 (tree_ssa_loop_ivopts): Ditto.
12452 (tree_ssa_loop_done): Ditto.
12453 * predict.c (tree_estimate_probability): Ditto.
12454 * recog.c (split_all_insns_noflow): Ditto.
12455 (rest_of_handle_peephole2): Ditto.
12456 (rest_of_handle_split_all_insns): Ditto.
12457 * tree-eh.c (lower_eh_constructs): Ditto.
12458 * regmove.c (rest_of_handle_regmove): Ditto.
12459 (rest_of_handle_stack_adjustments): Ditto.
12460 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12461 * function.c (instantiate_virtual_regs): Ditto.
12462 (init_function_for_compilation): Ditto.
12463 (rest_of_handle_check_leaf_regs): Ditto.
12464 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12465 (rest_of_handle_gcse): Ditto.
12466 * ipa-type-escape.c (type_escape_execute): Ditto.
12467 * alias.c (rest_of_handle_cfg): Ditto.
12468 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12469 * profile.c (rest_of_handle_branch_prob): Ditto.
12470 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12471 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12472 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12473 * tree-dfa.c (find_referenced_vars): Ditto.
12474 * except.c (set_nothrow_function_flags): Ditto.
12475 (convert_to_eh_region_ranges): Ditto.
12476 (rest_of_handle_eh): Ditto.
12477 * emit-rtl.c (unshare_all_rtl): Ditto.
12478 (remove_unnecessary_notes): Ditto.
12479 * except.h (set_nothrow_function_flags): Ditto.
12480 (convert_to_eh_region_ranges): Ditto.
12481 * cfgexpand.c (tree_expand_cfg): Ditto.
12482 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12483 * tree-ssa-pre.c (do_pre): Ditto.
12484 (execute_fre): Ditto.
12485 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12486 (rest_of_handle_jump2): Ditto.
12487 * tree-sra.c (tree_sra): Ditto.
12488 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12489 (execute_mudflap_function_decls): Ditto.
12490 * tree-ssa-copy.c (do_copy_prop): Ditto.
12491 (do_store_copy_prop): Ditto.
12492 * ipa-prop.h (ipcp_driver): Ditto.
12493 * cfglayout.c (insn_locators_initialize): Ditto.
12494 * tree-ssa-forwprop.c
12495 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12496 * cfglayout.h (insn_locators_initialize): Ditto.
12497 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12498 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12499 (execute_late_warn_uninitialized): Ditto.
12500 * rtl.h (cleanup_barriers): Ditto.
12501 (split_all_insns_noflow): Ditto.
12502 (purge_line_number_notes): Ditto.
12503 (unshare_all_rtl): Ditto.
12504 (remove_unnecessary_notes): Ditto.
12505 (recompute_reg_usage): Ditto.
12506 (variable_tracking_main): Ditto.
12507 * integrate.c (emit_initial_value_sets): Ditto.
12508 * integrate.h (emit_initial_value_sets): Ditto.
12509 * tree-optimize.c (execute_free_datastructures): Ditto
12510 (execute_free_cfg_annotations): Ditto.
12511 (execute_fixup_cfg): Ditto.
12512 (execute_cleanup_cfg_pre_ipa): Ditto.
12513 (execute_cleanup_cfg_post_optimizing): Ditto.
12514 (execute_init_datastructures): Ditto.
12515 * tree-object-size.c (compute_object_sizes): Ditto.
12516 * combine.c (rest_of_handle_combine): Ditto.
12517 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12518 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12519 (rest_of_handle_reorder_blocks): Ditto.
12520 (rest_of_handle_partition_blocks): Ditto.
12521 * var-tracking.c (variable_tracking_main): Ditto.
12522 * tree-profile.c (tree_profiling): Ditto.
12523 * tree-vect-generic.c (expand_vector_operations): Ditto.
12524 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12525 * sched-rgn.c (rest_of_handle_sched): Ditto.
12526 (rest_of_handle_sched2): Ditto.
12527 * basic-block.h (free_bb_insn): Ditto.
12528 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12529 * tree-cfg.c (execute_build_cfg): Ditto.
12530 (remove_useless_stmts): Ditto.
12531 (split_critical_edges): Ditto.
12532 (execute_warn_function_return): Ditto.
12533 (execute_warn_function_noreturn): Ditto.
12534 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12535 * cfgrtl.c (free_bb_for_insn): Ditto.
12536 * passes.c (execute_one_pass): Run additional
12537 todos returned by execute function.
12538 * tree-pass.h (struct tree_opt_pass): Make execute
12541 2006-03-02 Richard Guenther <rguenther@suse.de>
12543 * tree-ssa-alias.c (find_used_portions): Consider taking
12544 the address as making the variable not write-only.
12546 2006-03-02 Nick Clifton <nickc@redhat.com>
12548 * config.gcc (default_use_cxa_atexit): Extend the description of
12549 this configure variable. Set its default value to "yes" for
12550 Linux, NetBSD and ELF targets on the assumption that they will
12551 use C libraries with the __cxa_atexit function.
12553 2006-03-02 Ben Elliston <bje@au.ibm.com>
12555 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12556 parameter as unused to suppress a build warning.
12558 2006-03-02 Ben Elliston <bje@au.ibm.com>
12560 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12563 2006-03-01 Roger Sayle <roger@eyesopen.com>
12566 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12567 declared name, the weak reference name, and the typeof name.
12568 (__gthrw): Avoid expanding the declared name suffix.
12569 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12571 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12573 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12575 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12576 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12577 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12578 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12579 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12580 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12581 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12582 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12583 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12584 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12585 (DW_END_default, DW_END_big, DW_END_little): New.
12586 (DW_END_lo_user, DW_END_hi_user): Define.
12587 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12588 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12589 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12592 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12594 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12596 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12598 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12600 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12602 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12603 to 'symbol_mem_tag'.
12605 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12608 2006-03-01 Roger Sayle <roger@eyesopen.com>
12610 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12612 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12615 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12616 MACHO_DYNAMIC_NO_PIC_P.
12617 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12619 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12622 * config/darwin-protos.h (darwin_asm_output_anchor):
12624 * config/darwin-sections.def (cstring_section):
12625 Add SECTION_MERGE to the flags.
12626 (literal4_section): Likewise.
12627 (literal8_section): Likewise.
12628 (objc_selector_refs_section): Likewise.
12629 (objc_cls_refs_section): Likewise.
12630 * config/darwin.c (darwin_asm_output_anchor): New
12632 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12634 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12636 Fix PR tree-optimization/26443
12637 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12638 to todo and PROP_tmt_usage to properties_destroyed.
12639 * tree-ssa-ccp.c (pass_ccp): Ditto.
12640 (pass_store_ccp): Ditto.
12641 * tree-ssa-dom.c (pass_dominator): Ditto.
12643 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12645 * tree-ssa-operands.c: Cleanup whitespace.
12646 (get_asm_expr_operands): Move before first invocation.
12647 (get_indirect_ref_operands): Likewise.
12648 (get_tmr_operands): Likewise.
12649 (get_call_expr_operands): Likewise.
12650 (append_def): Likewise.
12651 (append_use): Likewise.
12652 (append_v_may_def): Likewise.
12653 (append_v_must_def): Likewise.
12654 (add_call_clobber_ops): Likewise.
12655 (add_call_read_ops): Likewise.
12656 (add_stmt_operand): Likewise.
12657 (add_virtual_operand): Likewise.
12658 (build_ssa_operands): Likewise.
12660 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12662 PR middle-end/26022
12664 PR middle-end/24437
12665 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12666 with a call expr to ...
12667 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12669 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12671 * tree-vrp.c (extract_range_from_assert): Remove special
12672 handling for types with super-types.
12674 2006-03-01 Ben Elliston <bje@au.ibm.com>
12676 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12677 and powerpc64-*-linux* configurations.
12678 * config/t-dfprules: New file.
12680 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12681 Compile dfp-bit.c from the source directory using -DWIDTH and
12682 $DFP_CFLAGS to control the compilation of that file, rather than
12683 generating width-specific versions in the build directory.
12684 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12685 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12687 2006-02-28 Zack Weinberg <zackw@panix.com>
12689 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12692 2006-02-28 Eric Christopher <echristo@apple.com>
12694 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12695 Set up IN_LIBGCC definition of TARGET_64BIT.
12696 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12698 2006-02-28 Roger Sayle <roger@eyesopen.com>
12700 PR middle-end/14752
12701 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12702 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12703 cases via the construction of "expr != 0".
12705 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12707 * alias.c (alias_invariant, alias_invariant_size): Remove.
12708 (record_base_value): Remove.
12709 (memrefs_conflict_p): Don't look at alias_invariant.
12710 (end_alias_analysis): Don't free it.
12711 * alias.h (record_base_value): Remove prototype.
12713 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12714 Adam Nemet <anemet@caviumnetworks.com>
12716 * rtl.h (truncated_to_mode): Declare it.
12717 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12718 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12719 (RTL_HOOKS_INITIALIZER): Include it.
12720 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12721 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12722 reg_truncated_to_mode.
12723 * rtlanal.c (truncated_to_mode): Define it.
12724 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12726 2006-02-28 Jeff Law <law@redhat.com>
12728 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12729 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12730 the range allowed by TYPE_PRECISION.
12732 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12734 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12736 PR tree-optimization/26419
12737 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12740 2006-02-27 Zack Weinberg <zackw@panix.com>
12742 * doc/md.texi: Fix typo in previous change.
12744 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12748 2006-02-27 Zack Weinberg <zackw@panix.com>
12750 * rtl.def (define_constraint, define_register_constraint)
12751 (define_memory_constraint, define_address_constraint): New MD forms.
12752 * gensupport.c (process_rtx): Put define_constraint etc on the
12754 * genpreds.c (process_define_predicate): Adjust comment. Validate
12755 the name, and call validate_exp to validate the expression.
12756 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12757 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12758 all callers changed.
12759 (validate_exp, needs_variable, struct constraint_data)
12760 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12761 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12762 (const_dbl_constraints, constraint_max_namelen)
12763 (have_register_constraints, have_memory_constraints)
12764 (have_address_constraints, have_address_constraints)
12765 (have_extra_constraints, have_const_int_constraints)
12766 (have_const_dbl_constraints, mangle, add_constraint)
12767 (process_define_constraint, process_define_register_constraint)
12768 (write_enum_constraint_num, write_lookup_constraint)
12769 (write_insn_constraint_len, write_regclass_for_constraint)
12770 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12771 (write_insn_extra_memory_constraint)
12772 (write_insn_extra_address_constraint)
12773 (write_satisfies_constraint_fns): New.
12774 (write_tm_preds_h): If we have new-style constraint definitions,
12775 prototype the functions generated from them, and define the
12776 old constraint interface (still used by generic code) in terms of
12778 (write_insn_preds_c): If we have new-style constraint definitions,
12779 generate all relevant functions from those definitions.
12780 (main): Handle define_constraint etc.
12781 * genoutput.c (struct constraint_data, indep_constraints)
12782 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12783 (mdep_constraint_len): New data structures and functions, defined
12784 #ifdef USE_MD_CONSTRAINTS.
12785 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12786 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12787 use new logic to validate operand constraints against constraint
12789 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12791 * defaults.h: If none of the old-style constraint macros are
12792 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12793 old-style macros; and poison REG_CLASS_FROM_LETTER,
12794 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12796 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12797 * doc/md.texi: Document new constraint-definition mechanism and the
12798 C interface it provides. Remove references to old mechanism
12799 elsewhere in the document.
12800 (Machine Constraints): Use pathnames relative to gcc directory,
12801 i.e. config/ARCH/FILE. Change i386 section to refer to
12802 config/i386/predicates.md; update that section to match docstrings.
12803 * doc/tm.texi: Move all documentation of the old constraint-
12804 definition macros to their own section, clearly mark as obsolete.
12806 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12807 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12809 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12810 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12811 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12812 constraint strings.
12813 (splits and peepholes): Use satisfies_constraint_*.
12814 * config/i386/i386.c (memory_address_length)
12815 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12817 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12819 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12820 scalar operation to be put back into the loop.
12822 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12825 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12826 (extract_cie_info): Handle S flag in augmentation string.
12827 (execute_cfa_program): If context->signal_frame, execute also
12828 fs->pc == context->ra instructions.
12829 (uw_frame_state_for): If context->signal_frame, don't subtract one
12830 from context->ra to find FDE.
12831 (uw_update_context_1): Set context->signal_frame to
12833 (_Unwind_GetIPInfo): New function.
12834 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12835 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12837 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12838 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12839 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12840 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12841 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12842 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12843 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12844 x86_64_fallback_frame_state): Set fs->signal_frame.
12845 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12846 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12847 (frob_update_context): Likewise. Workaround missing S flag in
12848 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12849 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12850 Remove the psw_addr + 1 hack.
12852 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12854 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12855 with aggregates here.
12856 (find_func_aliases): Remove code for &<aggregate> from here.
12858 2006-02-26 Roger Sayle <roger@eyesopen.com>
12860 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12861 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12862 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12863 as (X & C) ne/eq 0.
12865 2006-02-26 Roger Sayle <roger@eyesopen.com>
12867 PR middle-end/19983
12868 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12870 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12872 * opts.c (decode_options): Do not handle flag_strength_reduce.
12873 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12874 and OPT_fstrength_reduce.
12875 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12876 flag_prefetch_loop_arrays for being nonzero.
12877 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12879 (fprefetch-loop-arrays-rtl): Removed.
12880 (flag_prefetch_loop_arrays): Do not specify the value.
12882 * doc/passes.texi: Update documentation of loop optimizer
12884 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12885 -frerun-loop-opt): Remove.
12887 2006-02-26 Richard Guenther <rguenther@suse.de>
12889 PR tree-optimization/26421
12890 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12891 in function calls that are ADDR_EXPRs as using the whole structure.
12893 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12895 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12896 * tree-pass.h (pass_loop_optimize): Remove.
12897 * passes.c (pass_loop_optimize): Never run it.
12898 * toplev.c (backend_init): Don't call init_loop.
12899 * opts.c (flag_loop_optimize_set): Remove.
12900 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12901 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12902 the old RTL loop optimizer when profiling enabled.
12903 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12904 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12905 pre-headers for the sake of the old RTL loop optimizer.
12906 * Makefile.in: Remove all references to loop.o.
12908 * doc/invoke.texi: Remove all references to -floop-optimize
12909 and -frerun-loop-opt.
12911 2006-02-26 Zack Weinberg <zackw@panix.com>
12913 * doc/md.texi (Machine Constraints): Refer to all files with paths
12914 relative to gcc directory (i.e. config/CPU/file). Add missing
12915 @table @code ... @end table to M32C subsection.
12917 2006-02-26 Roger Sayle <roger@eyesopen.com>
12919 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12921 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12923 2006-02-26 Roger Sayle <roger@eyesopen.com>
12924 James A. Morrison <phython@gcc.gnu.org>
12926 PR middle-end/21137
12927 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12928 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12929 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12930 signedness of the shift operation.
12932 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12934 PR tree-optimization/26359
12935 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12937 2006-02-25 Roger Sayle <roger@eyesopen.com>
12939 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12940 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12941 as X == 0, and some symmetry related transformations.
12942 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12944 2006-02-25 Roger Sayle <roger@eyesopen.com>
12946 PR middle-end/23673
12947 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12948 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12949 symmetry related transformations. Fold (X^C1) == C2 as
12952 2006-02-25 Juergen Weigert <jw@suse.de>
12953 Richard Guenther <rguenther@suse.de>
12955 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12957 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12959 * combine.c (gen_lowpart_or_truncate): Call
12960 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12962 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12964 * doc/invoke.texi: Move -fopenmp description to "Options for
12966 Remove reference to -lgomp.
12968 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12970 * doc/install.texi: Require GNU tar version 1.14.
12972 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12974 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12975 * doc/invoke.texi (C++ Dialect Options): Document
12976 -fno-use-cxa-get-exception-ptr.
12977 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12978 * configure: Regenerate.
12979 * c.opt (fuse-cxa-get-exception-ptr): New.
12980 * c-opts.c (c_common_handle_option): Handle
12981 OPT_fuse_cxa_get_exception_ptr.
12982 * c-common.c (flag_use_cxa_atexit): Update documentation.
12983 (flag_use_cxa_get_exception_ptr): New.
12984 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12985 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12987 (C_COMMON_OVERRIDE_OPTIONS): New.
12989 2006-02-24 Roger Sayle <roger@eyesopen.com>
12991 PR middle-end/24952
12992 * combine.c (try_combine): Explicitly check whether GET_CODE is
12993 a SET or a CLOBBER, instead on checking that it isn't a USE.
12995 2006-02-24 Roger Sayle <roger@eyesopen.com>
12997 * fold-const.c (fold_comparison): New subroutine of fold_binary
12998 containing transformations common to both the equality and
12999 ordering relational operators, factored out of fold_binary.
13000 (fold_binary): Separate out the equality operators (EQ_EXPR
13001 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13002 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13003 transformations common to both.
13004 (fold_div_compare): Fix latent bugs in the previously unreachable
13005 LT_EXPR and GE_EXPR cases.
13007 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13009 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13010 decl libname for clog to __clog on AIX.
13012 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13014 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13017 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13018 output traceback table for thunks. Localise rs6000_stack_info call.
13020 2006-02-23 Roger Sayle <roger@eyesopen.com>
13021 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13023 * gthr-posix.h (__gthrw): Fix typo in comment.
13025 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13027 * doc/cpp.texi (Character sets): Document that we do support
13028 input files to be in any character set.
13030 2006-02-23 Jeff Law <law@redhat.com>
13032 * tree.h (PHI_ARG_NONZERO): Remove.
13033 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13034 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13035 node to the new node.
13037 PR tree-optimization/26425
13038 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13039 min/max, then assume its varying.
13041 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13043 PR rtl-optimization/26316
13044 * rtlanal.c (enum may_trap_p_flags): New.
13045 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13046 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13047 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13048 (may_trap_after_code_motion_p): New function.
13049 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13050 (find_invariant_insn): Use may_trap_after_code_motion_p.
13051 * rtl.h (may_trap_after_code_motion_p): Declare.
13053 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13055 * emit-rtl.c (immed_double_const): Cleanup.
13057 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13059 Fix PR tree-optimization/26376
13060 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13063 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13065 PR middle-end/26412
13066 * gimplify.c (omp_add_variable): Guard variable size decl test with
13067 DECL_SIZE (decl) check.
13069 2006-02-23 Richard Guenther <rguenther@suse.de>
13071 PR middle-end/26439
13072 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13073 like aggregate types.
13075 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13077 * configure.ac: Add --with{,out}-long-double-128 configure option.
13078 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13079 * configure: Rebuilt.
13080 * config.in: Rebuilt.
13081 * doc/install.texi (Options specification): Document
13082 --with-long-double-128.
13084 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13085 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13086 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13087 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13089 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13091 * config/s390/s390.c (override_options): Handle
13092 TARGET_DEFAULT_LONG_DOUBLE_128.
13094 * config/alpha/alpha.c (override_options): Handle
13095 TARGET_DEFAULT_LONG_DOUBLE_128.
13097 * config/sparc/sparc.c (sparc_override_options): Handle
13098 TARGET_DEFAULT_LONG_DOUBLE_128.
13100 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13102 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13103 (real-install-headers-tar, real-install-headers-cpio)
13104 (real-install-headers-cp): New targets.
13106 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13108 * tree.h (variable_section): Delete.
13109 * varasm.c (variable_section): Delete.
13111 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13113 * install.texi: Add notes on install.texi2html.
13114 (Building in parallel): Do not use footnotes.
13116 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13119 * doc/install.texi (Configuration): Document --disable-libgomp.
13121 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13123 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13125 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13127 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13128 (vec_extractv2df_0_sse): New.
13130 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13132 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13133 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13134 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13135 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13136 to the result of the expression.
13137 (def_cfa_1): Adjust.
13138 (frame_pointer_cfa_offset): Rename to...
13139 (frame_pointer_fb_offset): ... this. Adjust all uses.
13140 (convert_cfa_to_loc_list): Rename to...
13141 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13142 Pass it on to build_cfa_loc.
13143 (compute_frame_pointer_to_cfa_displacement): Rename to...
13144 (compute_frame_pointer_to_fb_displacement): ... this. New
13145 offset parameter. Use it in computation.
13146 (gen_subprogram_die): Compute cfa_fb_offset with the new
13147 macro, and use it to compute the fb loc list and the
13150 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13152 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13153 replaced with register_operand.
13154 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13155 non-DREG is expensive.
13156 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13157 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13160 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13162 * doc/install.texi2html: Use set -e.
13164 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13166 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13167 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13168 * doc/invoke.texi (-fshared-data): Delete.
13169 * common.opt (fshared-data): Delete.
13170 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13171 (assemble_static_space): Remove #if 0 code.
13172 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13173 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13174 * config/cris/cris.h: Remove FIXME.
13176 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13178 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13181 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13183 PR middle-end/26379
13184 * combine.c (simplify_shift_const_1): Disable nested shifts
13185 optimization for vector shifts.
13187 2006-02-20 Roger Sayle <roger@eyesopen.com>
13189 PR tree-optimization/26361
13190 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13191 of unsigned integer types.
13193 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13195 * tree-chrec.c (eq_evolutions_p): New.
13196 * tree-chrec.h (eq_evolutions_p): Declared.
13197 * tree-data-ref.c: Fix formatting.
13198 (datadep_stats, dependence_stats): New.
13200 (print_direction_vector): New.
13201 (dump_data_dependence_relation): Use print_direction_vector.
13202 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13203 (compute_subscript_distance): Static.
13204 (initialize_data_dependence_relation): Static. Get the number
13205 of loops surrounding the references from the callers, and initialize
13206 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13207 base_object_differ_p analyzers.
13208 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13209 compute_overlap_steps_for_affine_1_2,
13210 analyze_subscript_affine_affine): Count the classified dependences.
13211 Print a message when a test failed.
13212 (can_use_analyze_subscript_affine_affine): New.
13213 (analyze_siv_subscript): Compute the data dependences on symbolic
13214 scevs that verify can_use_analyze_subscript_affine_affine.
13215 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13216 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13217 Handle symbolic scevs.
13218 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13220 (subscript_dependence_tester): Moved...
13221 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13222 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13223 DDR_SIZE_VECT instead of getting it in parameter.
13224 (subscript_dependence_tester): ... here. Take as a parameter
13225 loop_nest_depth. Call build_classic_dist_vector and
13226 build_classic_dir_vector.
13227 (compute_affine_dependence): Update subscript_dependence_tester
13228 parameters. Update datadep_stats counters. Call
13229 compute_subscript_distance.
13230 (compute_self_dependence): Save the dist and dir vectors. Call
13231 compute_subscript_distance.
13232 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13233 (compute_all_dependences): Reorder parameters as they were before
13234 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13235 compute_subscript_distance. Update the use of
13236 compute_affine_dependence and initialize_data_dependence_relation.
13237 (find_data_references_in_loop): Handle COMPONENT_REF.
13238 (compute_data_dependences_for_loop): Initialize dependence_stats.
13239 Don't call build_classic_dist_vector and build_classic_dir_vector.
13240 Update the parameters of initialize_data_dependence_relation and
13241 compute_all_dependences. Print the statistics from datadep_stats.
13242 (analyze_all_data_dependences): Static. Not used until the pass for
13243 checking the data dependences is contributed.
13244 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13245 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13246 (initialize_data_dependence_relation, compute_affine_dependence,
13247 analyze_all_data_dependences, compute_subscript_distance): Removed.
13248 (print_direction_vector): New.
13249 * lambda.h (gcd): ... here.
13250 (lambda_vector_gcd): Moved here from gcd_vector.
13251 * lambda-code.c (gcd, gcd_vector): Removed.
13252 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13253 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13255 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13257 * ipa-type-escape.c: Tidy some comments and white space.
13258 * tree-ssa-operands.c: Likewise.
13260 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13263 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13264 (dump_decl_name): Do not walk the decl tree chains.
13265 * tree-pass.h (TDF_CHAIN): Remove.
13267 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13269 * Makefile.in (C): Remove
13271 (.PHONY): Remove C and PROTO
13273 2006-02-20 Roger Sayle <roger@eyesopen.com>
13275 PR middle-end/26236
13276 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13277 deprecated CHAR_TYPE tree code.
13279 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13281 * configure.ac (target_list): Add install-info, dvi, html.
13282 * configure: Regenerate.
13284 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13285 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13286 treelang/Make-lang.in: Do not use double-colon rules.
13288 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13290 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13291 (TMT_USED_ALONE): New macro.
13292 * tree-pass.h (PROP_tmt_usage): New property.
13293 (TODO_update_tmt_usage): New todo.
13294 * tree-ssa-alias.c (updating_used_alone): New variable.
13295 (recalculate_used_alone): New function.
13296 (compute_may_aliases): Set updating_used_alone, call
13297 recalculate_used_alone.
13298 * tree-sra.c (pass_sra): Note that this pass destroys
13299 PROP_tmt_usage, and add TODO_update_tmt_usage.
13300 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13301 * tree-flow.h (updating_used_alone): Prototype.
13302 (recalculate_used_alone): Ditto.
13303 * passes.c (execute_todo): Add code to set updating_used_alone,
13304 and call recalculate.
13305 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13306 for clobber if used alone, and add assert to verify used_alone
13309 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13311 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13312 for non tls symbols added.
13313 (legitimize_address): Do nothing for PLUS expressions if one of the
13314 addends is a tls symbol reference.
13316 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13320 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13322 * Makefile.in (BOOTSTRAPPING): New.
13323 (quickstrap): New definition if BOOTSTRAPPING=yes.
13325 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13326 * configure.ac: Substitute all_selected_languages with the languages
13327 that were configured. For all the other variables except
13328 lang_specs_files, include all the languages in the tree.
13329 * configure: Regenerate.
13331 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13332 if there is one. Run the commands to run fixincludes in the same
13335 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13336 * doc/install.texi: Document exact conventions for searching target tools.
13337 Document --with-build-time-tools. Document toplevel bootstrap. Document
13338 something more about building an Ada cross-compiler. Don't list GNU Make
13339 requirements which affect all platforms.
13341 2006-02-19 Roger Sayle <roger@eyesopen.com>
13343 PR middle-end/19543
13344 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13345 only equivalent if the have both the same mode and precision.
13347 2006-02-20 Ben Elliston <bje@au.ibm.com>
13349 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13351 2006-02-19 Roger Sayle <roger@eyesopen.com>
13352 Steven Bosscher <stevenb.gcc@gmail.com>
13354 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13355 constant pool references to identify stack mode constants.
13356 * rtlanal.c (constant_pool_constant_p): New predicate to check
13357 whether operand is a floating point constant in the pool.
13358 * rtl.h (constant_pool_constant_p): Prototype here.
13359 * loop.c (scan_loop): Avoid hoisting constants from the constant
13360 pool on STACK_REGS targets.
13361 (load_mems): Likewise.
13362 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13363 loads into x87 registers expensive in terms of register pressure.
13365 2006-02-19 Roger Sayle <roger@eyesopen.com>
13367 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13368 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13370 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13372 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13373 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13375 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13377 * doc/invoke.texi: Document -fipa-pta.
13378 * common.opt: Add ipa-pta option.
13379 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13380 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13381 (do_ds_constraint): Ditto.
13382 (get_constraint_for): Only add to referenced_vars if
13383 referenced_vars exists.
13384 (insert_into_field_list): Rewrite to do this unsorted.
13385 (insert_into_field_list_sorted): Rename old insert_into_field_list
13387 (create_function_info_for): Use insert_into_field_list_sorted.
13388 (create_variable_info_for): Rewrite so it uses unsorted version,
13389 since the field list is sorted.
13390 (intra_create_variable_infos): Only add to referenced_vars if
13391 referenced_vars exists.
13392 (ipa_pta_execute): Init heapvars, and delete when done.
13393 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13395 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13397 * doc/install.texi: Add missing `@samp'.
13399 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13401 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13404 2006-02-18 Mark Wielaard <mark@klomp.org>
13406 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13407 who added new 4.1 features, bug fixes and integration support.
13409 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13412 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13413 MEM for ABI_V4 pic.
13415 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13417 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13418 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13419 (copy_insn_1): Likewise. Don't copy each field individually.
13421 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13423 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13424 * rtl.c (rtx_size): Rename variable to...
13425 (rtx_code_size): ...this.
13426 (rtx_size): New function.
13427 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13428 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13430 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13431 * rtl.h (rtx_code_size): New variable.
13432 (rtx_size): Change from a variable to a function.
13433 (RTX_SIZE): Rename to...
13434 (RTX_CODE_SIZE): ...this.
13437 PR tree-optimization/17106
13438 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13439 (Anchored Addresses): New section.
13440 * doc/invoke.texi (-fsection-anchors): Document.
13441 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13442 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13443 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13444 * hooks.c (hook_bool_mode_rtx_false): New function.
13445 * hooks.h (hook_bool_mode_rtx_false): Declare.
13446 * gengtype.c (create_optional_field): New function.
13447 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13448 SYMBOL_REF_IN_BLOCK_P is true.
13449 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13450 (min_anchor_offset, max_anchor_offset): Likewise.
13451 (use_anchors_for_symbol_p): New hook.
13452 * toplev.c (compile_file): Call output_object_blocks.
13453 (target_supports_section_anchors_p): New function.
13454 (process_options): Check that -fsection-anchors is only used on
13455 targets that support it and when -funit-at-a-time is in effect.
13456 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13457 if the decl doesn't have one.
13458 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13459 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13460 of force_const_mem through use_anchored_address.
13461 (expand_expr_constant): New function.
13462 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13463 calling expand_expr for INDIRECT_REF.
13464 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13465 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13466 * expr.h (use_anchored_address): Declare.
13467 * loop-unroll.c: Don't declare rtx vectors here.
13468 * explow.c: Include output.h.
13469 (validize_mem): Call use_anchored_address.
13470 (use_anchored_address): New function.
13471 * common.opt (-fsection-anchors): New switch.
13472 * varasm.c (object_block_htab, anchor_labelno): New variables.
13473 (hash_section, object_block_entry_eq, object_block_entry_hash)
13474 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13475 (use_blocks_for_decl_p, change_symbol_section): New functions.
13476 (get_variable_section): New function, split out from assemble_variable.
13477 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13478 use_blocks_for_decl_p say so. Use change_symbol_section if the
13479 symbol has already been created.
13480 (assemble_variable_contents): New function, split out from...
13481 (assemble_variable): ...here. Don't output any code for
13482 block symbols; just pass them to place_block_symbol.
13483 Use get_variable_section and assemble_variable_contents.
13484 (get_constant_alignment, get_constant_section, get_constant_size): New
13485 functions, split from output_constant_def_contents.
13486 (build_constant_desc): Create a block symbol if use_object_blocks_p
13487 says so. Or into SYMBOL_REF_FLAGS.
13488 (assemble_constant_contents): New function, split from...
13489 (output_constant_def_contents): ...here. Don't output any code
13490 for block symbols; just pass them to place_section_symbol.
13491 Use get_constant_section and get_constant_alignment.
13492 (force_const_mem): Create a block symbol if use_object_blocks_p and
13493 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13494 (output_constant_pool_1): Add an explicit alignment argument.
13495 Don't switch sections here.
13496 (output_constant_pool): Adjust call to output_constant_pool_1.
13497 Switch sections here instead. Don't output anything for block symbols;
13498 just pass them to place_block_symbol.
13499 (init_varasm_once): Initialize object_block_htab.
13500 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13501 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13502 (place_block_symbol, get_section_anchor, output_object_block)
13503 (output_object_block_htab, output_object_blocks): New functions.
13504 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13505 (TARGET_ASM_OUT): Include it.
13506 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13507 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13508 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13509 (TARGET_INITIALIZER): Include them.
13510 * rtl.c (rtl_check_failed_block_symbol): New function.
13511 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13512 (block_symbol, object_block): New structures.
13513 (rtx_def): Add a block_symbol field to the union.
13514 (BLOCK_SYMBOL_CHECK): New macro.
13515 (rtl_check_failed_block_symbol): Declare.
13516 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13517 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13518 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13519 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13520 * output.h (output_section_symbols): Declare.
13521 (object_block): Name structure.
13522 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13523 (default_use_anchors_for_symbol_p): Declare.
13524 * Makefile.in (RTL_BASE_H): Add vec.h.
13525 (explow.o): Depend on output.h.
13526 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13527 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13528 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13529 (rs6000_use_blocks_for_constant_p): New function.
13531 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13533 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13535 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13538 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13541 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13543 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13547 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13549 PR middle-end/26334
13550 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13551 instead of DECL_REGISTER.
13553 2006-02-18 Olivier Hainque <hainque@adacore.com>
13556 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13558 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13561 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13562 * opth-gen.awk: Handle Var and InverseMask together.
13563 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13564 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13565 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13566 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13568 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13569 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13570 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13571 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13572 LINUX_DYNAMIC_LINKER): Define.
13573 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13574 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13576 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13577 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13578 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13579 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13580 (TARGET_C99_FUNCTIONS): Don't define.
13581 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13582 GLIBC_DYNAMIC_LINKER.
13583 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13584 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13585 GLIBC_DYNAMIC_LINKER64): Define.
13586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13587 LINUX_DYNAMIC_LINKER64.
13588 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13590 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13592 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13594 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13595 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13596 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13598 and LINUX_DYNAMIC_LINKER32.
13599 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13601 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13603 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13605 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13606 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13607 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13608 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13609 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13610 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13611 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13612 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13613 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13614 LINUX_DYNAMIC_LINKER): Define.
13615 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13616 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13617 GLIBC_DYNAMIC_LINKER64): Define.
13618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13619 LINUX_DYNAMIC_LINKER64.
13620 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13621 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13622 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13623 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13624 LINUX_DYNAMIC_LINKER): Define.
13625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13626 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13627 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13628 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13629 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13630 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13631 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13632 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13633 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13634 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13636 * doc/invoke.texi (-muclibc): Remove caveat about supported
13639 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13641 * doc/cpp.texi (__TIMESTAMP__): Document.
13643 2006-02-17 Roger Sayle <roger@eyesopen.com>
13645 PR middle-end/25600
13646 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13647 C is one less than the width of X (and related transformations).
13648 * simplify-rtx.c (simplify_unary_operation_1): Transform
13649 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13650 depending on STORE_FLAG_VALUE, were C is one less then the
13653 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13655 Fix PR tree-optimization/26341
13656 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13657 about NAME_MEMORY_TAG's.
13659 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13662 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13663 with hardware float support, and software float support. Add fcpy
13664 alternative to hardware patterns. Add alternatives to copy between
13665 general and floating-point registers to the 32-bit pattern.
13666 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13667 secondary reload to load a QI or HI mode constant into a floating
13669 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13670 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13672 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13675 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13677 (load_macho_picbase_di): Likewise.
13679 2006-02-16 Jeff Law <law@redhat.com>
13681 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13682 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13683 (ssa_name_nonzero_p): Likewise.
13684 (get_value_range): Return NULL if VRP is not running.
13685 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13686 VRP routines do not discover a range.
13687 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13688 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13689 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13690 (tree_expr_nonnegative_p): Similarly.
13691 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13692 (restore_nonzero_vars_to_original_value): Remove.
13693 (unsafe_associative_fp_binop): Remove.
13694 (tree_ssa_dominator_optimize): Remove initialization and
13695 finalization of nonzero_vars and nonzero_vars_stack.
13696 (dom_opt_initialize_block): No longer push marker on
13697 nonzero_vars_stack.
13698 (dom_opt_finalize_block): No longer call
13699 restore_nonzero_vars_to_original_value.
13700 (record_equivalences_from_phis): No longer look for
13701 nonzero PHI arguments.
13702 (cprop_into_successor_phis): No longer propagate nonzero
13703 property into PHI arguments. Lose unused argument. Caller
13705 (record_equivalences_from_stmt): No longer record nonzero
13706 values for SSA_NAMEs.
13707 (lookup_avail_expr): No longer use nonzero_vars.
13709 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13710 for sizetype when sizetype is unsigned.
13712 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13714 PR rtl-optimization/25603
13715 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13716 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13717 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13718 with new meaning of SETS.
13720 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13725 * config/linux.opt: New file.
13726 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13727 LINUX_DYNAMIC_LINKER): Define.
13728 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13729 * config.gcc (*-*-linux*): Define extra_options.
13730 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13731 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13732 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13733 GLIBC_DYNAMIC_LINKER.
13734 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13735 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13736 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13738 * doc/invoke.texi (GNU/Linux Options): New section.
13740 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13742 * config/sparc/sparc.md (setjmp): Rewrite.
13743 (setjmp_32): Delete.
13744 (setjmp_64): Likewise.
13746 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13748 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13751 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13753 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13756 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13758 PR rtl-optimization/26296
13759 * Makefile.in (loop-invariant.c): Add except.h dependency.
13760 * loop-invariant.c: Include except.h.
13761 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13763 2005-02-16 Paul Brook <paul@codesourcery.com>
13765 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13768 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13770 PR rtl-optimization/25636
13771 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13772 when deciding whether an insn is an initializing insn.
13774 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13776 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13777 (tree_code_size): Ditto.
13778 * tree.h (struct tree_memory_tag): Remove parent_var.
13779 (struct tree_struct_field_tag): New.
13782 (union tree_node): Add sft member.
13783 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13785 (create_sft): Add size and offset argument, set SFT_OFFSET and
13787 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13788 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13789 * tree-flow-inline.h (get_subvar_at): Update for
13790 SFT_OFFSET/SFT_SIZE.
13791 (var_can_have_subvars): Ditto.
13792 (overlap_subvar): Ditto.
13793 * print-tree.c (print_node): Print out interesting things for
13795 * tree-flow.h (struct subvar): Remove offset and size members.
13796 * tree-ssa-operands.c (get_expr_operands): Update for
13797 get_indirect_ref_operands changes.
13798 (get_indirect_ref_operands): Call add_virtual_operand instead of
13799 add_stmt_operand. Only recurse on base var if requested.
13800 (access_can_touch_variable): New function.
13801 (add_stmt_operand): Split virtual operand handling into ...
13802 (add_virtual_operand): Here. Add offset, size, and for_clobber
13803 arguments. Prune alias sets.
13804 (add_call_clobber_ops): Call add_virtual_operand.
13806 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13808 PR middle-end/26300
13809 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13811 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13812 than TREE_CODE as index into omp_clause_num_ops array.
13814 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13816 PR rtl-optimization/26184
13817 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13819 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13820 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13821 must_precede, must_follow and tobe_scheduled.
13824 * opts.c (common_handle_option): Free new_option pointer.
13825 * df-core.c (df_analyze): Free postorder pointer.
13827 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13829 * Makefile.in: Fix the examples about the use of stamps
13831 2006-02-15 Michael Matz <matz@suse.de>
13833 PR middle-end/22275
13835 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13836 influenced by maximum_field_alignment or DECL_PACKED.
13837 (update_alignment_for_field): Ditto.
13838 (place_field): Ditto.
13839 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13842 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13844 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13845 (debug_flow_info): Pass it.
13846 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13847 * bb-reorder.c (reorder_basic_blocks): Likewise.
13848 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13849 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13850 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13851 * gcse.c (gcse_main, bypass_jumps): Likewise.
13852 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13853 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13854 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13855 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13856 * rtl.h (dump_flow_info): Adjust prototype.
13857 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13858 * var-tracking.c (variable_tracking_main): Likewise.
13859 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13860 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13863 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13865 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13868 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13870 PR tree-optimization/26209
13871 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13872 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13874 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13876 2006-02-14 Roger Sayle <roger@eyesopen.com>
13878 PR middle-end/23670
13879 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13880 (X,Y) and the corresponding symmetry related transformations.
13881 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13882 (X,Y) and its symmetry related transformations.
13884 2006-02-14 Roger Sayle <roger@eyesopen.com>
13886 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13889 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13891 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13893 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13896 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13897 support COMDAT group.
13898 * configure: Regenerate.
13900 2006-02-14 Roger Sayle <roger@eyesopen.com>
13902 PR middle-end/26279
13903 PR middle-end/26280
13904 PR middle-end/26283
13905 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13907 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13909 Fix PR tree-optimization/26260
13911 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13913 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13914 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13915 * tree-ssa-structalias.c (create_variable_info_for): Use
13916 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13918 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13920 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13922 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13923 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13924 of the ending condition.
13925 * tree-ssa-loop-manip.c: Include params.h.
13926 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13927 tree_unroll_loop): New functions.
13928 * tree-pass.h (pass_loop_prefetch): Declare.
13929 * loop.c (rest_of_handle_loop_optimize): Test for
13930 -fprefetch-loop-arrays-rtl.
13931 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13932 * timevar.def (TV_TREE_PREFETCH): New timevar.
13933 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13934 pass_loop_prefetch): New.
13935 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13936 (cleanup_tree_cfg_loop): Call scev_reset.
13937 * common.opt (fprefetch-loop-arrays-rtl): Add.
13938 * tree-ssa-loop-prefetch.c: New file.
13939 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13940 (new_temp_expr_table): Initialize expr_vars.
13941 (free_temp_expr_table): Cleanup expr_vars.
13942 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13943 expressions from being merged into one.
13944 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13945 (struct tree_niter_desc): Add control, bound and cmp fields.
13946 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13948 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13949 (tree-cfgcleanup.o): Add SCEV_H dependency.
13950 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13951 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13953 2006-02-14 Richard Guenther <rguenther@suse.de>
13955 PR tree-optimization/26258
13956 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13957 in PHI argument processing.
13959 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13961 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13962 new expression in the requested machine mode.
13964 2006-02-13 Roger Sayle <roger@eyesopen.com>
13966 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13967 directly, instead let do_compare_rtx_and_jump handle this for us.
13968 * expr.c (expand_expr_real_1): Likewise.
13969 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13970 before do_jump_by_parts_greater.
13971 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13972 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13974 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13976 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13978 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13980 PR rtl-optimization/26235
13981 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13982 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13985 2006-02-13 Jeff Law <law@redhat.com>
13987 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13990 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13992 PR middle-end/26092
13993 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13994 twice if decl is a builtin. When trying again, call get_callee_fndecl
13995 first to verify it is still a builtin.
13997 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13999 * dwarf2out.c (base_type_die): Don't add AT_name here.
14000 (subrange_type_die): Don't add AT_name here.
14001 (modified_type_die): Rearrange code flow. Do add AT_name here.
14003 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14005 PR rtl-optimization/26247
14006 PR rtl-optimization/26248
14007 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14009 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14011 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14012 * config/fixtfdi.c: Likewise.
14013 * config/fixunstfdi.c: Likewise.
14014 * config/floatditf.c: Likewise.
14016 2006-02-13 Roger Sayle <roger@eyesopen.com>
14018 PR middle-end/24427
14019 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14020 into (X,C2) if C1 is a subset of the bits of C2. Transform
14021 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14023 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14025 2006-02-13 Josh Conner <jconner@apple.com>
14028 * varasm.c (function_section): Check for section name before
14029 calling select_section on targets that define
14030 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14031 unlikely_text_section instead of hot_function_section if
14032 first_function_block_is_cold.
14034 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14036 PR middle-end/25335
14037 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14039 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14041 PR rtl-optimization/26222
14042 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14043 after tree->rtl expansion.
14044 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14045 before passing it to emit_move_insn.
14047 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14049 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14051 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14052 Clarify documentation.
14053 * c-common.h (warn_write_strings): Remove.
14054 * c-common.c (warn_write_strings): Likewise.
14055 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14058 2006-02-12 Roger Sayle <roger@eyesopen.com>
14060 PR middle-end/25724
14061 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14062 (do_jump_parts_zero_rtx): New function renamed from
14063 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14064 (do_jump_parts_equality_rtx): New function split out from
14065 do_jump_parts_equality. Old implementation renamed as above.
14066 Call do_jump_parts_zero_rtx if either operand is zero.
14067 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14068 do all of the heavy lifting.
14069 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14070 calling either do_jump_by_parts_greater_rtx or
14071 do_jump_by_parts_equality_rtx.
14072 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14073 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14074 moved to do_compare_rtx_and_jump, call it directly.
14075 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14076 mode argument. Call do_compare_rtx_and_jump.
14077 (emit_case_nodes): Update calls to do_jump_if_equal.
14079 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14081 PR rtl-optimization/26225
14082 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14084 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14086 PR rtl-optimization/26232
14087 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14089 2006-02-11 Jason Merrill <jason@redhat.com>
14092 * tree-inline.c (declare_return_variable): Just don't use the
14093 modify target if it's a gimple complex reg and the return slot
14096 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14098 * doc/contrib.texi: Update my entry.
14100 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14102 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14104 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14106 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14109 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14111 * doc/invoke.texi (-floop-optimize2): Removed.
14112 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14113 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14114 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14115 * common.opt (floop-optimize2): Removed.
14116 (fmove-loop-invariants): Enabled by default.
14118 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14120 * tree-if-conv.c (combine_blocks): Free the result of
14121 get_loop_exit_edges.
14123 2006-02-10 Jeff Law <law@redhat.com>
14125 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14127 PR tree-optimization/26213
14128 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14129 loop trying to follow SSA_NAME_VALUE chains.
14131 2006-02-10 Richard Guenther <rguenther@suse.de>
14133 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14134 deal with structures that end in implicitly variable sized arrays.
14136 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14138 PR rtl-optimization/24762
14139 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14142 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14144 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14145 (struct ivopts_data): Add regs_used field.
14146 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14147 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14148 instead of loop_data->regs_used;
14149 (free_loop_data): Do not free aux fields for loops.
14150 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14151 and tree_ssa_iv_optimize_finalize.
14153 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14155 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14157 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14160 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14161 computing the effective result type.
14163 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14165 PR inline-asm/16194
14166 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14167 (tree_overlaps_hard_reg_set): Declare.
14168 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14169 type and signature to match function type expected by walk_tree.
14170 (tree_overlaps_hard_reg_set): New function.
14171 (decl_conflicts_with_clobbers_p): Rename to:
14172 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14173 Use tree_overlaps_hard_reg_set. Changed caller.
14174 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14175 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14176 * cris.c (cris_md_asm_clobbers): Likewise.
14178 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14180 * reload1.c (emit_input_reload_insns): Delete code that tries to
14181 inherit using find_equiv_reg.
14183 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14185 * c-common.h (flag_const_strings): Don't declare.
14186 * c-common.c (flag_const_strings): Remove.
14187 * c.opt (fconst_strings): Remove.
14188 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14189 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14190 (c_common_init_options): Don't set flag_const_strings.
14191 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14193 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14195 * arm.md (tlobits_cbranch): New pattern.
14196 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14197 testing a single bit.
14199 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14202 * tree-ssa-pre.c (create_component_ref_by_pieces):
14203 Handle RETURN_DECL like VAR_DECL.
14205 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14207 PR middle-end/26134
14208 * fold-const.c (fold_indirect_ref_1): Fold
14209 "*(foo *)&complexfoo" to "__real__ complexfoo"
14210 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14212 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14214 * tree-flow-inline.h (var_can_have_subvars):
14215 Volatile variables should not have subvariables.
14217 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14220 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14221 multiplying unsigned values.
14224 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14226 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14228 2006-02-08 Jason Merrill <jason@redhat.com>
14231 * tree.def: Elaborate on difference from MODIFY_EXPR.
14232 * doc/c-tree.texi (INIT_EXPR): Likewise.
14233 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14234 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14235 (gimplify_target_expr): Likewise.
14236 (gimplify_cond_expr): Remove target handling.
14237 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14238 (gimplify_expr): Clobber it here.
14239 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14240 Do return slot optimization if we have an INIT_EXPR.
14243 * tree-inline.c (declare_return_variable): Also clear
14244 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14247 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14249 PR middle-end/22439
14250 * gimplify.c (gimplify_one_sizepos): Fix typo.
14252 2006-02-08 Jeff Law <law@redhat.com>
14254 PR tree-optimization/21417
14255 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14256 across a backedge if the control statement at the end of the
14257 block is data dependent on other statements in the same block.
14258 (record_temporary_equivalences_from_stmts): Remove over-conservative
14259 test for threading across backedges.
14261 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14262 control statement, handle all three special cases in the same
14263 manner as they all have the same desired solution. No longer
14264 special case edge flag updating when the post dominator is
14267 2006-02-08 Roger Sayle <roger@eyesopen.com>
14269 * tree.def (CHAR_TYPE): Remove.
14270 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14271 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14272 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14273 (gen_string_type_die): Delete unreachable function.
14275 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14276 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14277 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14278 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14279 * builtins.c (type_to_class): Likewise.
14280 * fold-const.c (fold_convert, build_range_check,
14281 merge_ranges): Likewise.
14282 * expr.c (count_type_elements): Likewise.
14283 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14284 * stor-layout.c (layout_type): Likewise.
14285 * ipa-type-escape.c (type_to_consider): Likewise.
14286 * gimplify.c (omp_firstprivatize_type_sizes,
14287 gimplify_type_sizes): Likewise.
14288 * explow.c (promote_mode): Likewise.
14289 * tree-sra.c (is_sra_scalar_type): Likewise.
14290 * varasm.c (output_constant): Likewise.
14291 * tree-inline.c (remap_type_1): Likewise.
14292 * convert.c (convert_to_pointer, convert_to_real,
14293 convert_to_integer, convert_to_complex): Likewise.
14295 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14297 * df-scan.c (df_def_record_1): A set destination may
14298 be a parallel regardless of mode.
14300 2006-02-08 Roger Sayle <roger@eyesopen.com>
14303 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14304 * config/mips/_tilib.c: Remove.
14305 * config/fixtfdi.c: New libgcc source file.
14306 * config/fixunstfdi.c: New source file.
14307 * config/floatditf.c: New source file.
14308 * config/floatunditf.c: New souce file.
14309 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14310 files above instead of config/mips/_tilib.c.
14311 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14313 2006-02-08 Jeff Law <law@redhat.com>
14315 PR tree-optimization/26169
14316 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14319 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14321 * df.h (DF_REG_SIZE): Return the length of the initialized
14324 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14326 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14327 __muldf3): Return a correctly signed zero.
14329 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14331 * passes.c (register_one_dump_file): Accept the current properties
14332 instead of pass number. Adjust call to dump_register. Remove
14334 (register_dump_files): Now a wrapper around...
14335 (register_dump_files_1): ... this one. Do not modify the pass
14337 (next_pass_1): Cosmetic fix.
14338 (execute_todo): Keep second parameter only. Use curr_properties
14339 instead of fetching it from the pass structure. Check and set
14341 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14342 instead of fetching it from the pass structure. Fix calls to
14343 execute_todo. Update curr_properties and initialize .vcg RTL dump
14344 after running the pass. Reset last_verified.
14345 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14347 (FIRST_AUTO_NUMBERED_DUMP): New.
14348 (dump_register): Remove "num" parameter, assign it within the
14350 (get_dump_file_name): Modify template for dumps.
14351 * tree-dump.h (dump_register): Adjust prototype.
14352 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14353 (PROP_trees): Add PROP_gimple_lomp.
14354 (TODO_set_props): New.
14355 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14356 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14357 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14359 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14361 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14362 (sparc64-*-linux*): Likewise.
14363 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14364 * config/sparc/t-linux: New file.
14365 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14366 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14367 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14368 -m32 -mlong-double-128.
14370 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14371 * config/alpha/t-linux: New file.
14372 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14374 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14375 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14376 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14377 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14378 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14379 (CPP_ARCH32_SPEC): Remove.
14381 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14383 PR tree-optimization/26145
14384 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14387 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14390 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14391 >= 240000 when generating code for SOM runtime.
14392 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14393 to $$dyncall when generating code for SOM runtime..
14395 2006-02-07 Dirk Mueller <dmueller@suse.com>
14398 * doc/invoke.texi (-Wsequence-point): Update documentation
14399 that -Wsequence-point is implemented for C++ as well.
14401 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14403 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14404 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14405 (LIB_SPEC): Likewise.
14406 * doc/invoke.texi (SPARC options): Document -pthread.
14408 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14410 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14413 2006-02-07 Roger Sayle <roger@eyesopen.com>
14415 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14416 Correct comment describing BOOLEAN_TYPE.
14418 2006-02-07 Dirk Mueller <dmueller@suse.com>
14420 * c.opt: C++ frontend supports -Wdiv-by-zero.
14421 * c-opts.c (c_common_handle_option): Remove dead case.
14423 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14425 * configure.ac (TLS assembler check): Do not enable TLS by
14426 default on SPARC/Solaris before version 10.
14427 * configure: Regenerate.
14429 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14431 * doc/invoke.texi (xl-compat): Document conversion and support
14434 2006-02-07 Jeff Law <law@redhat.com>
14436 * tree-vrp.c (find_conditional_asserts): Update comments.
14437 (simplify_stmt_for_jump_threading): New.
14438 (identify_jump_threads, finalize_jump_threads): New.
14439 (vrp_finalize): Call identify_jump_threads.
14440 (execute_vrp): Call finalize_jump_threads.
14441 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14442 (vrp_element, vrp_data, vrp_element_p): Remove.
14443 (vrp_hash_elt, vrp_variables_stack): Remove.
14444 (vrp_hash, vrp_eq, record_range): Remove.
14445 (simplify_cond_and_lookup_avail_expr): Remove.
14446 (extract_range_from_cond): Remove.
14447 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14448 (simplify_stmt_for_jump_threading): New.
14449 (dom_thread_across_edge): New wrapper.
14450 (tree_ssa_dominator_optimize): No longer initialize or
14451 finalize any of the VRP datastructures. Remove iteration
14452 step and simplify as a result of removal of iteration step.
14453 (pass_dominator): Perform a cfg cleanup after DOM.
14454 (dom_opt_finalize_block): Use the new common routines
14455 for threading jumps. Simplify stack management slightly.
14456 No longer need to unwind VRP state.
14457 (record_equivalences_from_incoming_edge): No longer record
14459 (eliminate_redundant_computations): No longer call
14460 simplify_cond_and_lookup_avail_expr.
14461 * tree-flow.h (potentially_threadable_block): Prototype.
14462 (thread_across_edge): Likewise.
14463 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14464 (tree-ssa-threadedge.o): Add dependencies.
14465 * tree-ssa-threadedge.c: New file.
14466 * passes.c (init_optimization_passes): Merge PHIs before
14467 calling VRP. Run VRP again late in the SSA optimization pipeline.
14469 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14471 * df-core.c (df_set_blocks): Do not dereference function pointers.
14472 (df_finish1): Likewise.
14473 (df_hybrid_search_forward): Likewise.
14474 (df_hybrid_search_backward): Likewise.
14475 (df_iterative_dataflow): Likewise.
14476 (df_analyze_problem): Likewise.
14477 (df_compact_blocks): Likewise.
14478 (df_dump): Likewise.
14479 * df-scan.c (df_rescan_blocks): Likewise.
14480 (df_record_entry_block_defs): Likewise.
14482 * genconditions.c (write_conditions): Guard the definition of
14483 'insn_conditions' with the check on GCC version.
14484 (write_writer): Guard the traversal 'insn_conditions' with
14485 the check on GCC version.
14487 2006-02-07 Richard Guenther <rguenther@suse.de>
14491 2006-01-30 Richard Guenther <rguenther@suse.de>
14493 * gimplify.c (gimplify_target_expr): Handle easy cases
14494 without creating a temporary.
14496 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14498 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14499 use of float in probability computations. Use edge probabilities
14500 in place of statically computed probabilities.
14501 (min_spec_prob): New static variable.
14502 (schedule_insns): Initialize it.
14503 (GET_SRC_PROB): Removed.
14504 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14506 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14509 * config/ia64/unwind-ia64.c: Revert last change.
14510 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14511 (INCOMING_FRAME_SP_OFFSET): Define.
14513 2006-02-06 Roger Sayle <roger@eyesopen.com>
14515 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14517 2006-02-07 Ben Elliston <bje@au.ibm.com>
14519 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14520 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14521 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14522 (ix86_return_in_memory): Handle TDmode.
14523 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14524 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14526 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14528 * reorg.c (dbr_schedule): Use dump_file instead of file.
14530 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14533 * config/ia64/predicates.md (extr_len_operand): New predicate.
14534 * config/ia64/ia64.md (extv): Tighten constraints.
14536 (*tbit_and_2): Ditto.
14537 (*tbit_and_3): Ditto.
14538 (*tbit_or_2): Ditto.
14539 (*tbit_or_3): Ditto.
14540 (*bit_zero): Ditto.
14543 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14546 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14548 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14550 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14551 loop_optimizer_init and loop_optimizer_finalize
14552 * tree-ssa-sink.c (execute_sink_code): Ditto.
14553 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14554 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14555 tree_ssa_loop_done): Ditto.
14556 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14557 * sched-ebb.c: Include output.h.
14558 (schedule_ebbs): Do not use dump argument.
14559 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14560 * loop.c (loop_dump_stream): Removed.
14561 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14563 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14564 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14565 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14566 loop_iterations, strength_reduce, record_biv, record_giv,
14567 final_giv_value, check_final_value, check_ext_dependent_givs,
14568 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14569 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14570 dump_file instead of loop_dump_stream.
14571 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14572 argument dump_file.
14573 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14575 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14576 * haifa-sched.c: Include output.h
14577 (schedule_insns, sched_init): Do not use dump argument.
14578 * mode-switching.c (optimize_mode_switching): Ditto.
14579 * modulo-sched.c (stats_file): Removed.
14580 (print_node_sched_params): Do not call argument dump_file.
14581 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14582 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14584 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14586 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14587 rtl_loop_init, rtl_loop_done): Ditto.
14588 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14589 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14591 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14592 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14593 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14594 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14595 * emit-rtl.c (renumber_insns): Ditto.
14596 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14597 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14598 * regclass.c (regclass): Ditto.
14599 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14600 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14601 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14602 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14604 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14605 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14607 * gcse.c (gcse_file, debug_stderr): Removed.
14608 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14609 rest_of_handle_gcse): Do not use dump argument.
14610 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14611 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14612 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14613 compute_code_hoist_vbeinout, compute_code_hoist_data,
14614 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14615 compute_store_table, build_store_vectors, insert_insn_start_bb,
14616 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14617 store_motion): Use dump_file instead of gcse_file.
14618 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14619 * profile.c (profile_dump_file): Removed.
14620 (branch_prob): Use dump_file instead of profile_dump_file.
14621 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14623 * tree-ssa-copy.c (dump_copy_of): Ditto.
14624 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14625 dump file to life_analysis.
14626 * bt-load.c (branch_target_load_optimize): Ditto.
14627 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14629 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14630 regclass, dbr_schedule): Declaration changed.
14631 * sched-int.h (sched_init): Declaration changed.
14632 * tree-profile.c (tree_profile_dump_file): Removed.
14633 (tree_profile_hooks): Removed profile_dump_file hook.
14634 * rtl-profile (rtl_profile_dump_file): Removed.
14635 (rtl_profile_hooks): emoved profile_dump_file hook.
14636 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14638 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14639 * tree-cfg.c (build_tree_cfg): Ditto.
14640 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14641 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14642 Declaration changed.
14643 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14644 life_analysis and schedule_insns.
14645 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14647 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14649 * config/mips/mips.c (mips_reorg): Ditto.
14650 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14653 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14655 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14656 (s390_mangle_fundamental_type): New.
14657 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14660 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14661 (alpha_mangle_fundamental_type): New.
14662 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14665 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14667 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14669 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14670 (sparc_mangle_fundamental_type): New.
14672 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14674 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14675 (s390x-*-linux*): Likewise.
14676 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14677 * config/s390/t-linux: New file.
14679 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14681 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14682 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14684 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14686 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14687 (ANTIC_SAFE_LOADS): New macro.
14688 (find_or_generate_expression): Add prototype.
14689 (set_contains_value): Allow null set for sake of not always having
14690 to allocate ANTIC_SAFE_LOADS.
14691 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14692 Allow COMPONENT_REF too.
14693 (valid_in_set): Allow COMPONENT_REF.
14694 Check ANTIC_SAFE_LOADS too.
14695 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14696 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14698 (can_PRE_operation): Add COMPONENT_REF.
14699 (create_component_ref_by_pieces): New function.
14700 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14701 (insert_aux): Move AGGREGATE_TYPE_P check here.
14702 (compute_avail): Set bb local stmt uids.
14703 (pass_pre): Use TODO_update_ssa_only_virtuals.
14705 2006-02-06 Ben Elliston <bje@au.ibm.com>
14707 * configure.ac: Unconditionally disable decimal float by default.
14708 * configure: Regenerate.
14710 2006-02-06 Ben Elliston <bje@au.ibm.com>
14712 * read-rtl.c (read_name): Terminate reading on EOF.
14714 2006-02-06 Ben Elliston <bje@au.ibm.com>
14716 * dfp.c (decimal_real_arithmetic): Change second argument type
14717 from int to enum tree_code. Do not always return true, but now
14718 return result of any call to decimal_do helper functions.
14719 * dfp.h (decimal_real_arithmetic): Update prototype.
14721 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14723 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14725 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14728 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14731 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14733 * tree-vrp.c (cfg_loops): Removed.
14734 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14735 Use current_loops instead of cfg_loops. Pass flags to
14736 loop_optimizer_init.
14737 * cfgloopmanip.c (fix_loop_structure): Update only available
14739 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14740 loop_optimizer_init.
14741 * modulo-sched.c (build_loops_structure): Removed.
14742 (sms_schedule): Use loop_optimizer_init.
14743 * loop-init.c (loop_optimizer_init): Use flags to determine
14744 which properties of loops to prepare.
14745 (rtl_loop_init): Pass flags to loop_optimizer_init.
14746 * tree-ssa-sink.c (execute_sink_code): Ditto.
14747 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14748 * tree-ssa-pre.c (init_pre): Ditto.
14749 * cfgloop.h (LOOPS_NORMAL): New.
14750 (loop_optimizer_init): Declaration changed.
14752 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14754 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14755 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14757 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14759 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14761 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14762 * pa/t-pa64: Delete quadlib.c rule.
14763 * pa/x-ada: Revert last change.
14764 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14766 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14768 PR rtl-optimization/26087
14769 * rtlanal.c (canonicalize_condition): Do not cross basic block
14772 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14775 * config/ia64/ia64.c: Include debug.h.
14776 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14777 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14778 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14779 (process_epilogue, process_set, process_for_unwind_directive):
14780 Output unwind info only if requested. Add CFA info if requested.
14781 Add new arguments as needed. Adjust callers.
14782 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14784 (DWARF2_FRAME_INFO): Define to zero.
14785 * config/ia64/unwind-ia64.c: Remove code that compensated for
14786 the CFA offset error fixed above.
14787 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14788 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14789 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14790 -funwind-tables and -fexceptions to enable frame info.
14791 (dwarf2out_frame_init): Define initial CFA even if
14792 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14793 DWARF2_UNWIND_INFO is nonzero, not just defined.
14794 (dwarf2out_frame_finish): Output non-EH call frame info only
14795 if DWARF2_FRAME_INFO is nonzero.
14796 (convert_cfa_to_loc_list,
14797 compute_frame_pointer_to_cfa_displacement): Define even if
14798 unwind info is not supported.
14799 (gen_subprogram_die): Use the above unconditionally. Remove
14800 legacy alternate code.
14801 * toplev.c (compile_file): Compile in call to
14802 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14803 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14805 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14806 Jakub Jelinek <jakub@redhat.com>
14808 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14809 IBM extended float format long double as "g" on powerpc*-linux.
14811 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14814 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14815 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14817 2006-02-03 Jason Merrill <jason@redhat.com>
14820 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14822 PR middle-end/25977
14823 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14824 on the return slot if it's an NRV.
14826 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14828 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14829 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14830 rewrite_use): Do not handle USE_OUTER.
14831 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14832 add_iv_outer_candidates, may_replace_final_value,
14833 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14834 (find_interesting_uses_op): Functionality of
14835 find_interesting_uses_outer_or_nonlin moved here.
14836 (find_interesting_uses_outside): Use find_interesting_uses_op.
14838 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14841 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14843 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14844 Ulrich Weigand <uweigand@de.ibm.com>
14847 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14848 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14849 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14850 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14852 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14853 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14854 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14855 Define secondary reloads for TFmode moves.
14856 (constant_modes): Add TFmode.
14857 (NR_C_MODES): Set to 8.
14858 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14860 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14861 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14862 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14863 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14864 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14865 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14866 (FPR mode macro): Add TFmode.
14867 (DSF mode macro): New.
14868 (<de>, <dee> mode attributes): Removed.
14869 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14870 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14871 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14872 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14873 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14874 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14875 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14876 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14877 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14878 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14879 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14880 "*negabs<mode>2", "sqrt<mode>2"):
14881 Changed <de> to <xde>. R constraint replaced by <Rf>.
14882 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14884 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14885 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14886 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14888 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14889 "extenddftf2", "extendsftf2"): New expanders.
14890 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14891 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14892 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14893 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14895 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14896 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14897 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14898 __floatditf): Add a GCC_4.1.0 symbol version tag.
14899 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14902 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14905 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14906 Use targetm.binds_local_p instead of TREE_PUBLIC.
14908 2006-02-02 Roger Sayle <roger@eyesopen.com>
14910 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14911 on INTEGER_TYPEs to indicate that it denotes a character type.
14912 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14913 signed_char_type_node, unsigned_char_type_node and char_type_node.
14914 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14915 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14916 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14918 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14919 Daniel Berlin <dberlin@dberlin.org>
14921 * tree-tailcall.c (arg_needs_copy_p): New function.
14922 (eliminate_tail_call): Use arg_needs_copy_p.
14923 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14924 (add_virtual_phis): New function.
14926 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14928 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14929 #ignore instead of #scratch for %g7 .register directive.
14931 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14933 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14936 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14938 * flow.c (calculate_global_regs_live): Assert that there aren't any
14941 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14943 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14944 what its name says.
14945 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14946 bsi_after_labels iterator.
14947 * tree-if-conv.c (find_phi_replacement_condition,
14948 replace_phi_with_cond_modify_expr): Likewise.
14949 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14950 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14952 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14954 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14956 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14959 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14960 array after growing it.
14962 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14964 PR middle-end/24901
14965 * fold-const.c (fold_checksum_tree): Change type of buf.
14967 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14969 * reload.c (push_secondary_reload): Initialize t_icode.
14971 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14973 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14974 -msoft-float -mlong-double-128 only issue a warning, but don't
14975 swich to DFmode long double.
14977 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14979 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14980 has a constant equivalent, iterate over equivalents for arg0,
14981 calling simplify_relational_operation and if there's a result
14982 cheaper than X, apply fold_rtx and return the result.
14984 2006-02-01 Jan Hubicka <jh@suse.cz>
14986 * opts.c (no_unit_at_a_time_default): New global variable.
14987 (decode_options): Use it.
14988 * opts.h (no_unit_at_a_time_default): Declare.
14990 2006-02-01 Paul Brook <paul@codesourcery.com>
14992 * function.c (assign_parm_setup_reg): Use function argument promotion
14994 * expr.c (expand_expr_real_1): Use function argument promotion rules
14997 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14999 * gcc.c (process_command): Change j to 'unsigned int'.
15001 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15003 PR middle-end/26001
15004 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15005 Use the corrected index for the character
15006 out of the string constant.
15008 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15010 * mode-switching.c (optimize_mode_switching): Fix size
15011 allocated for bb_info[n_entities].
15013 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15015 * gcc.c (main): Correct type that is allocated for
15016 explicit_link_files.
15018 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15020 * config/s390/s390.c (init_alignment_context): Set
15021 ALIAS_SET_MEMORY_BARRIER on the MEM.
15022 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15024 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15026 PR middle-end/25933
15027 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15029 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15032 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15034 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15035 * regrename.c: Ditto.
15036 * tree-ssa-loop-im.c: Ditto.
15037 * tree-dump.c: Ditto.
15038 * tree-complex.c: Ditto.
15039 * genrecog.c: Ditto.
15040 * tree-ssa-threadupdate.c: Ditto.
15042 * java/class.c: Ditto.
15043 * java/jcf-parse.c: Ditto.
15044 * java/resource.c: Ditto.
15045 * java/except.c: Ditto.
15046 * java/jvspec.c: Ditto.
15047 * java/jcf-write.c: Ditto.
15048 * java/jcf-path.c: Ditto.
15049 * java/gjavah.c: Ditto.
15050 * java/zextract.c: Ditto.
15051 * java/jcf-io.c: Ditto.
15052 * java/jcf.h: Ditto.
15053 * java/buffer.c: Ditto.
15054 * java/lang.c: Ditto.
15055 * java/parse-scan.y: Ditto.
15056 * java/lex.c: Ditto.
15057 * java/lex.h: Ditto.
15058 * cfgloopmanip.c: Ditto.
15059 * postreload-gcse.c: Ditto.
15060 * tree-ssa-loop-manip.c: Ditto.
15061 * postreload.c: Ditto.
15062 * tree-ssa-loop-ch.c: Ditto.
15065 * cppspec.c: Ditto.
15066 * diagnostic.c: Ditto.
15068 * genoutput.c: Ditto.
15070 * cfghooks.c: Ditto.
15071 * cfgloopanal.c: Ditto.
15072 * objc/objc-act.c: Ditto.
15074 * genextract.c: Ditto.
15075 * genautomata.c: Ditto.
15076 * pretty-print.c: Ditto.
15077 * genemit.c: Ditto.
15078 * cgraphunit.c: Ditto.
15080 * df-scan.c: Ditto.
15081 * haifa-sched.c: Ditto.
15082 * dominance.c: Ditto.
15084 * tree-ssa-loop-ivopts.c: Ditto.
15085 * df-core.c: Ditto.
15086 * mode-switching.c: Ditto.
15087 * modulo-sched.c: Ditto.
15089 * ipa-pure-const.c: Ditto.
15091 * fix-header.c: Ditto.
15093 * tree-stdarg.c: Ditto.
15094 * ipa-utils.c: Ditto.
15095 * loop-init.c: Ditto.
15096 * ipa-inline.c: Ditto.
15097 * cfganal.c: Ditto.
15099 * alloc-pool.c: Ditto.
15100 * dwarf2out.c: Ditto.
15102 * genattrtab.c: Ditto.
15103 * tree-ssa-loop-ivcanon.c: Ditto.
15104 * predict.c: Ditto.
15105 * timevar.c: Ditto.
15107 * fortran/gfortranspec.c: Ditto.
15108 * regmove.c: Ditto.
15109 * local-alloc.c: Ditto.
15110 * langhooks.c: Ditto.
15111 * function.c: Ditto.
15112 * tree-vectorizer.c: Ditto.
15114 * ipa-type-escape.c: Ditto.
15116 * tree-if-conv.c: Ditto.
15117 * profile.c: Ditto.
15119 * tree-data-ref.c: Ditto.
15120 * loop-unroll.c: Ditto.
15121 * treelang/treetree.c: Ditto.
15123 * bt-load.c: Ditto.
15124 * ggc-common.c: Ditto.
15126 * coverage.c: Ditto.
15128 * tree-cfgcleanup.c: Ditto.
15129 * tree-ssa-pre.c: Ditto.
15130 * cfgcleanup.c: Ditto.
15131 * loop-invariant.c: Ditto.
15132 * loop-iv.c: Ditto.
15133 * ipa-prop.c: Ditto.
15134 * print-tree.c: Ditto.
15135 * conflict.c: Ditto.
15136 * ggc-page.c: Ditto.
15137 * sched-deps.c: Ditto.
15138 * regclass.c: Ditto.
15139 * tree-object-size.c: Ditto.
15140 * combine.c: Ditto.
15141 * bb-reorder.c: Ditto.
15142 * resource.c: Ditto.
15143 * var-tracking.c: Ditto.
15144 * cfgloop.c: Ditto.
15145 * df-problems.c: Ditto.
15146 * reg-stack.c: Ditto.
15148 * gccspec.c: Ditto.
15149 * sched-rgn.c: Ditto.
15150 * tree-ssa-structalias.c: Ditto.
15151 * tree-ssa-reassoc.c: Ditto.
15152 * config/darwin-c.c: Ditto.
15153 * config/darwin.c: Ditto.
15154 * config/arm/arm.c: Ditto.
15156 * collect2.c: Ditto.
15157 * reload1.c: Ditto.
15159 2006-01-31 Nicolas Pitre <nico@cam.org>
15161 * arm.md (smaxsi3): Make aware of smax_m1.
15164 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15166 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15168 2006-01-31 Richard Guenther <rguenther@suse.de>
15170 * doc/invoke.texi (-msselibm): Document.
15171 * target.h (expand_library_builtin): New target hook.
15172 * builtins.c (expand_builtin): Use expand_library_builtin.
15173 (default_expand_library_builtin): New function.
15174 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15175 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15176 (link_gcc_math_spec): Declare.
15177 (static_specs): Add link_gcc_math_spec.
15178 * expr.h (default_expand_library_builtin): Declare.
15179 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15180 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15181 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15182 * config/i386/i386.opt (msselibm): New target option.
15183 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15184 (ix86_init_sse_abi_builtins): New function.
15185 (ix86_expand_library_builtin): Likewise.
15186 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15187 (override_options): Handle error conditions wrt -msselibm.
15188 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15189 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15190 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15193 2006-01-31 Richard Guenther <rguenther@suse.de>
15194 Paolo Bonzini <bonzini@gnu.org>
15196 * doc/install.texi (--disable-libgcc-math): Document.
15198 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15200 * expr.h (expand_normal): new inline function.
15201 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15202 * dojump.c: use it.
15203 * dwarf2out.c: use it.
15206 * expmed.c: use it.
15207 * except.c: use it.
15208 * config/sparc/sparc.c: use it.
15209 * config/i386/i386.c: use it.
15210 * config/rs6000/rs6000.c: use it.
15211 * config/arm/arm.c: use it.
15212 * config/mips/mips.c: use it.
15213 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15215 2006-01-30 Roger Sayle <roger@eyesopen.com>
15217 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15218 argv to the appropriate type.
15220 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15222 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15225 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15228 * config/s390/s390.c (struct machine_function): New flag
15229 decomposed_literal_pool_addresses_ok_p.
15230 (s390_reorg): Set it before final stage of literal pool transforms.
15231 (s390_decompose_address): Only accept displacements of the form
15232 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15234 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15236 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15237 the comparison routine return.
15239 2006-01-30 Michael Matz <matz@suse.de>
15241 * global.c (find_reg): Only evict for global regs.
15242 Take n_refs into account and dump more info.
15244 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15247 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15248 (pragma_trap, pragma_nosave_low_regs): Likewise.
15249 (current_function_anonymous_args): Likewise.
15250 (sh_deferred_function_attributes): New variable.
15251 (sh_deferred_function_attributes_tail): Likewise.
15252 (print_operand): For '@', look up trap_exit attribute.
15253 (calc_live_regs): Look up trapa_handler attribute. For trapa
15254 handlers, save/restore fpscr, but don't do any other
15255 interrupt-specific saves.
15256 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15257 Fix check for partially saved registers to check for SHmedia.
15258 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15259 (sh_output_function_epilogue): Don't clear any of the removed
15261 (sh_insert_attributes): Don't check pragma_interrupt.
15262 Insert deferred attributes. Check that interrupt attribute is
15263 present for other attributes that require its presence.
15264 (sh_attribute_table): Add new attributes trapa_handler and
15266 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15267 Don't check for pragma_interrupt. Don't store argument.
15268 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15269 (sh_deferred_function_attributes): Declare.
15270 (sh_deferred_function_attributes_tail): Likewise.
15271 * sh.md (sp_switch_1): Add operand. Change generator caller.
15272 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15273 (*return_i): Don't use when trap_exit attribute is in effect.
15274 (*return_trapa): New insn pattern.
15275 * sh-c.c: New file.
15276 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15277 setting c_target_objs and cxx_target_objs.
15278 * t-sh: Add rule for sh-c.o.
15280 2006-01-30 Richard Guenther <rguenther@suse.de>
15283 * gimplify.c (gimplify_target_expr): Handle easy cases
15284 without creating a temporary.
15286 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15288 * vec.h (safe_grow): Remove duplicated line.
15290 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15293 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15294 (expand_omp): ... here.
15295 (expand_omp_parallel): Only remove barriers for combined
15296 parallel+workshare constructs.
15298 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15302 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15303 * tree.c (build_qualified_type): Chain the new type to the original
15304 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15305 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15306 (build_pointer_type_for_mode): Only return unqualified types.
15307 (build_reference_type_for_mode): Likewise.
15309 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15311 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15312 * Makefile.in (CXX_COMPAT_WARN): Define.
15313 * configure: Regenerate.
15315 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15318 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15321 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15323 * toplev.c: Fix thinko.
15325 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15326 Marcin Dalecki <martin@dalecki.de>
15328 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15329 (push_srcloc): Use XNEW.
15330 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15332 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15334 * df-core.c (df_set_blocks): Deleted all variable.
15336 2006-01-28 Ian Lance Taylor <ian@airs.com>
15338 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15339 cgraph_output_pending_asms.
15341 2006-01-28 Zack Weinberg <zackw@panix.com>
15343 * c.opt: Add -W(no-)overlength-strings.
15344 * doc/invoke.texi: Document it.
15345 * c-opts.c (c_common_handle_option): -pedantic implies
15346 -Woverlength-strings, if not explicitly disabled already.
15347 (c_common_post_options): -Woverlength-strings defaults to off, and
15348 is always off for C++.
15349 * c-common.c (fix_string_type): Issue warning about strings longer
15350 than is portable only if warn_overlength_strings. Rearrange code
15351 a little for clarity.
15352 * configure.in: Check for -Wno-overlength-strings as well before
15353 enabling -pedantic in stage 1.
15354 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15355 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15357 * genconditions.c (write_header, write_one_condition)
15358 (write_conditions, write_writer): Consolidate very long strings
15359 that were broken up to fit in C89 portable limit. Don't use
15360 printf when fputs will do.
15362 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15364 * combine.c (simplify_comparison <AND>): Check
15365 TRULY_NOOP_TRUNCATION before start using a subreg.
15367 * config/mips/mips.md (*branch_zero<mode>,
15368 *branch_zero<mode>_inverted, *branch_equality<mode>,
15369 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15370 Remove mode check from comparisons.
15372 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15374 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15376 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15378 * expmed.c (const_mult_add_overflow_p): Remove.
15379 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15381 * recog.c (validate_replace_rtx_subexp): Remove.
15382 * recog.h: Remove the prototype for
15383 validate_replace_rtx_subexp.
15385 * integrate.h: Remove the prototype for
15386 copy_decl_for_inlining.
15387 * rtl.h: Remove the prototype for mark_constant_function.
15388 * tree-vectorizer.h: Remove the prototype for
15389 vect_strip_conversion.
15391 * modulo-sched.c (create_partial_schedule,
15392 free_partial_schedule, reset_partial_schedule): Make them
15395 * hooks.c (hook_bool_rtx_int_false): Remove.
15396 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15398 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15400 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15401 and -mlong-double-128 are incompatible.
15402 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15403 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15404 (TARGET_LIBGCC2_CFLAGS): Define.
15405 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15406 (TARGET_LIBGCC2_CFLAGS): Same.
15407 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15409 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15412 * c-typeck.c (build_binary_op): Perform implicit casts of
15413 operands before shortening them.
15415 * cfgloopmanip.c (split_loop_bb): Remove.
15416 * cfgloop.h: Remove the prototype for split_loop_bb.
15418 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15419 * cfgloop.h: Remove the prototype for
15420 flow_loop_outside_edge_p.
15422 * emit-rtl.c (init_virtual_regs): Make it static.
15423 * function.h: Remove the prototype for init_virtual_regs.
15425 * recog.c (peephole2_optimize): Make it static.
15426 * recog.h: Remove the prototype for peephole2_optimize.
15428 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15430 * df-scan.c (df_record_entry_block_defs): Check if
15431 INCOMING_RETURN_ADDR_RTX is defined.
15433 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15434 Kenneth Zadeck <zadeck@naturalbridge.com>
15436 PR rtl-optimization/24762
15437 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15438 * targhooks.c (hook_void_bitmap): New hook prototype.
15439 * targhoohs.h (hook_void_bitmap): Ditto.
15440 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15441 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15442 * target.h (live_on_entry): New function pointer.
15443 * df-scan.c (df_all_hard_regs): Removed.
15444 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15445 (df_scan_free_internal): Added df->entry_block_defs.
15446 (df_scan_alloc): Ditto.
15447 (df_scan_dump): Ditto.
15448 (df_uses_record): Plumbed flag field properly thru calls.
15449 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15450 This part fixes PR24762.
15451 (df_bb_refs_record): Added code to make the frame and arg
15452 pointers live in EH blocks.
15453 (df_refs_record): Added call to df_record_entry_block_defs.
15454 (df_record_entry_block_defs): New function.
15455 * df-core.c: Added comments to describe new artifical defs.
15456 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15457 (entry_block_defs): New field in struct df.
15458 (df_all_hard_regs): Deleted.
15459 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15460 * df-problems.c (df_ru_bb_local_compute_process_def):
15461 Added code to handle artifical defs in the entry to a function.
15462 (df_ru_bb_local_compute): Ditto.
15463 (df_rd_bb_local_compute_process_def): Ditto.
15464 (df_rd_bb_local_compute): Ditto.
15465 (df_lr_bb_local_compute): Ditto.
15466 (df_ur_bb_local_compute): Ditto.
15467 (df_urec_bb_local_compute): Ditto.
15468 (df_chain_create_bb): Ditto.
15469 (df_ur_local_finalize): Removed entry.
15470 (df_urec_init): Ditto.
15471 (df_urec_local_finalize): Ditto.
15472 (df_ri_bb_compute): Added detection of last use of pseudos.
15473 * Makefile.in (df-scan.o): Updated dependencies.
15474 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15475 * config/mips/mips.c (mips_set_live_on_entry): Added.
15476 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15478 * dce.c (marked_insn_p): Added code to handle artifical defs.
15480 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15482 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15484 (_mm_cvtsi128_si64): Likewise.
15485 (_mm_cvtsd_si64): Likewise.
15486 (_mm_cvttsd_si64): Likewise.
15487 (_mm_cvtsi64_sd): Likewise.
15488 (_mm_cvtsi64_si128): Likewise.
15489 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15490 (_mm_cvtsi64_m64): Likewise.
15491 (_m_to_int64): Likewise.
15492 (_mm_cvtm64_si64): Likewise.
15493 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15494 (_mm_cvttss_si64): Likewise.
15495 (_mm_cvtsi64_ss): Likewise.
15496 (_mm_cvtss_f32): Likewise.
15498 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15500 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15501 for pragma redefine_extname.
15503 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15506 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15507 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15508 -mno-minimal-toc to previous content.
15509 (bispecs): Remove goal.
15510 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15511 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15512 compatibility aliases on powerpc-*-*gnu*.
15513 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15514 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15515 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15516 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15517 (ldblspecs): New goal.
15518 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15519 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15521 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15522 L_sf_to_tf or L_df_to_tf is defined.
15524 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15525 Alan Modra <amodra@bigpond.net.au>
15528 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15529 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15530 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15531 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15532 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15533 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15534 (rs6000_override_options): Initialize rs6000_ieeequad.
15535 Initialize TFmode format to ibm_extended_format if not
15537 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15539 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15540 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15541 (function_arg_advance): IBM long double passed in two FPRs, not
15543 (function_arg): IBM long double passed in FPRs.
15544 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15545 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15546 Only multireg GPR aligned.
15547 (rs6000_init_libfuncs): Enable IBM long double functions if not
15549 (rs6000_generate_compare): Use IBM long double compare if not
15551 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15552 (TARGET_IEEEQUAD): Define.
15553 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15554 not TARGET_IEEEQUAD.
15555 * config/rs6000/rs6000.md: Enable TFmode patterns if
15557 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15558 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15559 and -mlong-double-128 are incompatible.
15560 * doc/invoke.texi (-mabi): Collect options together. Add
15561 ibmlongdouble and ieeelongdouble.
15563 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15565 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15567 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15568 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15569 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15570 * rtl.h (rtunion_def): Remove rt_ptr.
15572 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15573 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15574 * config/i386/winnt.c (i386_pe_mark_dllexport)
15575 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15577 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15579 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15581 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15585 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15586 pthread_key_delete. From John David Anglin. gthrw-ify
15587 pthread_getunique_np only if it it's not a macro. Delete
15589 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15590 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15591 __gthread_objc_condition_signal, __gthread_key_delete): Add
15592 "__attribute__ ((__unused__))" to unused arguments.
15593 (__gthread_recursive_mutex_init_function): Add missing return.
15594 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15595 gthr-posix95.h: Use macro-based approach for name redirection
15596 on targets missing weakref.
15598 2006-01-26 Zack Weinberg <zackw@panix.com>
15600 * genconditions.c (write_header): In generated code, #ifdef out
15601 all includes and fake declarations, except includes of bconfig.h
15602 and system.h, unless GCC_VERSION >= 3001. Do not include
15603 gensupport.h in any case.
15604 (write_conditions): Generate a definition of struct c_test. Add
15605 a comment to the generated #endif.
15606 (write_one_condition): Escape backslashes in string too.
15607 (write_writer): Generated code must escape backslashes and quote
15608 marks (but not newlines) in the strings it writes.
15609 * Makefile.in (build/gencondmd.o): Update dependencies.
15611 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15614 * Makefile.in (insn-automata.o): Add header file dependencies.
15615 * genautomata.c: Add includes.
15617 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15620 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15622 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15624 * configure.ac: Expect target tools paths to be passed from the toplevel
15625 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15627 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15629 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15632 * c.opt (Wpointer-sign): Init to -1.
15633 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15634 OPT_pedantic, to 0 otherwise.
15635 * doc/invoke.texi: Update.
15637 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15639 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15640 constants provided by 80387 instructions in the destination mode.
15642 2006-01-26 Richard Guenther <rguenther@suse.de>
15643 Andrew Pinski <pinskia@physics.uc.edu>
15646 partial PR tree-opt/17064
15647 * tree-ssa-structalias.c (intra_create_variable_infos):
15648 Create heap variables for incoming parameters if
15649 flag_argument_noalias > 1.
15650 (find_what_p_points_to): Look through default defs of
15653 2006-01-26 Jeff Law <law@redhat.com>
15656 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15657 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15658 within the VR_RANGE, use the VR_RANGE as the result, not the
15660 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15661 bounds for the type.
15663 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15665 * tree-ssa-alias.c (maybe_create_global_var): Change
15666 subvar walking to an assertion that we don't have subvar'd variables.
15668 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15671 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15672 Use a new variable, inner. PARM_DECLs are always non-weak.
15674 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15676 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15677 --disable-checking.
15679 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15681 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15683 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15685 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15686 (smax_insn, smin_insn, smax_0, smin_0): New.
15688 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15691 * config/cris/cris.c (cris_order_for_addsi3): New function.
15692 * config/cris/cris-protos.h: Prototype it.
15693 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15694 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15695 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15696 (split for "op.S1 [rx=rx+i],ry (swapped)")
15697 (split for "op(s|u).S1 [rx=rx+i],ry")
15698 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15699 Apply cris_order_for_addsi3 when generating addsi3 insns.
15701 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15703 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15704 (TREE_BLOCK): Add call to EXPR_CHECK.
15706 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15709 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15710 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15711 (dump_omp_clauses): ... here.
15712 (dump_generic_node): Handle OMP_CLAUSE.
15713 * tree.c (omp_clause_num_ops): New.
15714 (omp_clause_code_name): New.
15715 (tree_code_size): Handle OMP_CLAUSE.
15716 (tree_size): Likewise.
15717 (make_node): Document handling of OMP_CLAUSE.
15718 (tree_node_structure): Handle OMP_CLAUSE.
15719 (omp_clause_check_failed): New.
15720 (omp_clause_range_check_failed): New.
15721 (omp_clause_operand_check_failed): New.
15722 (build_omp_clause): New.
15723 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15724 * tree.h (enum omp_clause_code): Declare.
15725 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15726 (OMP_CLAUSE_RANGE_CHECK): Define.
15727 (OMP_CLAUSE_ELT_CHECK): Define.
15728 (omp_clause_check_failed): Declare.
15729 (omp_clause_operand_check_failed): Declare.
15730 (omp_clause_range_check_failed): Declare.
15731 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15732 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15733 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15734 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15735 (OMP_CLAUSE_IF_EXPR): Likewise.
15736 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15737 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15738 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15739 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15740 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15741 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15742 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15743 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15744 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15745 (OMP_CLAUSE_CODE): Define.
15746 (OMP_CLAUSE_SET_CODE): Define.
15747 (OMP_CLAUSE_CODE): Define.
15748 (OMP_CLAUSE_OPERAND): Define.
15749 (struct tree_omp_clause): Declare.
15750 (union tree_node): Add field 'omp_clause'.
15751 * treestruct.def (TS_OMP_CLAUSE): Define.
15752 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15753 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15754 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15755 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15756 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15757 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15758 (OMP_CLAUSE): Define.
15759 * print-tree.c (print_node): Handle OMP_CLAUSE.
15760 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15761 * c-typeck.c: Likewise.
15762 * gimplify.c: Likewise.
15763 * c-omp.c: Likewise.
15764 * tree-nested.c: Likewise.
15765 * tree-inline.c: Likewise.
15766 * c-parser.c: Likewise.
15767 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15770 2006-01-25 Roger Sayle <roger@eyesopen.com>
15772 PR rtl-optimization/25703
15773 * combine.c (try_combine): Handle zero_extract and strict_low_part
15774 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15776 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15778 * global.c: Fix comment typos.
15780 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15783 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15784 Use output_addr_const instead of assemble_name.
15786 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15788 * Makefile.in (sched-vis.o): Update dependencies.
15789 * haifa-sched.c (sched_finish): Clear current_sched_info.
15790 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15791 (dump_flow_info): Call it.
15792 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15794 * basic-block.h (dump_bb_info): Declare.
15795 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15796 option, and apply options only for dump files whose TDF_RTL,
15797 TDF_TREE, or TDF_IPA bits match.
15798 * rtl.h: Declare new functions exported from sched-vis.c.
15799 * sched-vis.c: Enable also if scheduling is not used.
15800 (print_value): Print the mode of registers if not inside scheduling.
15801 (print_insn): Make it work outside the scheduler. Beautify the output
15803 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15805 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15807 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15808 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15809 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15810 depending on the value of CONSTANT_POOL_ADDRESS_P.
15811 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15813 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15814 rather than SYMBOL_REF_DECL.
15815 (rtx_constant_pool): Remove const_rtx_sym_htab.
15816 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15817 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15818 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15819 Remove handling of const_rtx_sym_htab.
15820 (find_pool_constant): Delete.
15821 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15822 rather than find_pool_constant.
15823 (get_pool_constant_for_function): Delete.
15824 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15825 find_pool_constant.
15826 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15827 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15828 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15829 (SYMBOL_REF_CONSTANT): New macro.
15830 (get_pool_constant_for_function): Delete.
15831 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15832 rather than SYMBOL_REF_DECL.
15833 (i386_pe_mark_dllimport): Likewise.
15834 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15835 rather than SYMBOL_REF_DECL.
15836 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15837 (machopic_indirect_call_target): Likewise.
15839 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15841 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15843 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15845 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15847 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15849 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15851 2006-01-24 David Daney <ddaney@avtrex.com>
15854 * configure.ac (enable_tls): New enable option.
15855 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15856 * configure: Regenerate.
15857 * doc/install.texi (--enable-tls): Document new option.
15858 (--disable-tls): Ditto.
15860 2006-01-24 Richard Henderson <rth@redehat.com>
15862 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15863 * alias.c (true_dependence): Respect it.
15864 (canon_true_dependence, write_dependence_p): Likewise.
15865 * builtins.c (get_builtin_sync_mem): Set it.
15867 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15869 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15872 2006-01-24 DJ Delorie <dj@redhat.com>
15874 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15875 for storing constants in single-bit bitfields.
15877 2006-01-25 Ben Elliston <bje@au.ibm.com>
15879 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15881 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15884 * tree-ssa-pre.c (phi_translate): Return NULL
15885 for AGGREGATE_TYPE's.
15887 2006-01-24 Zack Weinberg <zackw@panix.com>
15889 * genautomata.c (process_state_for_insn_equiv_partition):
15890 Use xcalloc for insn_arcs_array.
15891 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15892 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15894 2006-01-24 Richard Henderson <rth@redhat.com>
15896 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15897 update all callers.
15899 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15901 PR rtl-optimization/25890
15902 PR rtl-optimization/25905
15903 * combine.c (expand_compound_operation, expand_field_assignment):
15904 Fail if the bitfield's final position is out of bounds.
15906 2006-01-24 Ian Lance Taylor <ian@airs.com>
15908 PR middle-end/25930
15909 * cgraphunit.c (cgraph_output_in_order): Don't clear
15910 cgraph_asm_nodes until after asm strings have been output.
15912 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15914 * fix-header.c (read_scan_file): Add new parameter imultilib when
15915 calling register_include_chains.
15917 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15919 * omp-low.c: Update documentation.
15921 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15922 Daniel Berlin <dberlin@dberlin.org>
15926 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15927 return from the function.
15929 2006-01-22 Zack Weinberg <zackw@panix.com>
15931 * rtl.def (match_code): Add second argument.
15932 * genpreds.c (write_extract_subexp): New function.
15933 (write_match_code): Add path argument. Use write_extract_subexp.
15934 (write_predicate_expr): Pass path to write_match_code.
15935 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15936 not perform a mode test.
15937 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15938 a subexpression does not constrain the top-level code set.
15939 * read-rtl.c (read_rtx_variadic): New function.
15940 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15941 * doc/md.texi: Document new notation.
15942 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15943 (cmpsi_operand): ... here, using new notation.
15945 2006-01-22 Zack Weinberg <zackw@panix.com>
15947 * varray.c: Remove GENERATOR_FILE #ifdefs.
15949 2006-01-22 Zack Weinberg <zackw@panix.com>
15951 * genautomata.c (output_reserved_units_table): Emit nothing if
15952 description->query_units_num is zero. Remove extra blank line.
15953 (output_cpu_unit_reservation_p): Short circuit
15954 if description->query_units_num is zero.
15956 2006-01-22 Zack Weinberg <zackw@panix.com>
15958 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15959 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15960 nor any of the random handful of variables that used to be necessary
15961 when this program was linked with rtlanal.o. Prune set of forward
15962 function declarations.
15963 (struct attr_desc): Remove static_p field.
15964 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15965 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15966 (attr_string): Do not read the character one past the length of
15968 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15969 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15970 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15971 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15972 (make_automaton_attrs): New.
15973 (main): Do not call into genautomata. Call local gen_bypass
15974 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15975 Remove special case for insn_alts.
15976 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15977 varray.h (leftover from previous change). Prune set of forward
15978 function declarations. Remove state_alts fields from all
15979 structures. Remove state_alts_table from struct automaton.
15980 Make everything except main static. Do not maintain num_dfa_decls.
15981 Do not maintain state_alts fields of various structures.
15982 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15983 (add_arc): Remove state_alts argument. All callers updated.
15984 (output_reserved_units_table): Emit #ifdef here...
15985 (output_tables): ...not here. Don't generate state_alts tables.
15986 (expand_automata): Don't generate attributes.
15987 (write_automata): Don't generate state_alts functions.
15988 (main): New function.
15989 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15990 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15991 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15992 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15993 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15994 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15995 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15996 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15998 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15999 * genattrtab.h: Delete file.
16000 * Makefile.in (OBJS-common): Add insn-automata.o.
16001 (insn-automata.o): New rule.
16002 (simple_generated_c): Add insn-automata.c.
16003 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16004 (genprogmd): Add automata.
16005 (build/genattrtab): Needs no extra objects nor libraries.
16006 (build/genautomata): Needs build/vec.o and -lm.
16008 2006-01-22 Zack Weinberg <zackw@panix.com>
16010 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16011 (output_dfa_max_issue_rate, locked_states_num): Delete.
16012 (struct automaton): Add locked_states field.
16013 (output_dead_lock_vect): Save number of locked states in
16014 automaton->locked_states. If it is zero, don't print anything.
16015 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16016 (output_internal_dead_lock_func): Only test the dead_lock_vect
16017 for automata that have locked states.
16018 (output_statistics): Always print the number of locked states for
16019 each automaton. Calculate total number of locked states here.
16020 (write_automata): Don't call output_dfa_max_issue_rate.
16021 * genattrtab.c: Define length_unit_log as a const variable.
16022 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16023 max_insn_queue_index const.
16024 * final.c (length_unit_log): Declare const.
16025 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16027 2006-01-22 Zack Weinberg <zackw@panix.com>
16029 * genautomata.c: Include vec.h, not varray.h.
16030 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16031 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16032 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16033 VEC_* macros operating on appropriately typed vectors, or to
16034 malloced arrays when the size is known in advance. Const-ify
16035 many char* variables and function arguments. No functional changes.
16036 * Makefile.in (build/varray.o): Delete rule.
16037 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16038 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16040 2006-01-22 Zack Weinberg <zackw@panix.com>
16042 * gensupport.c: Define get_insn_name and record_insn_name here.
16043 (read_md_rtx): Call record_insn_name as appropriate.
16044 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16045 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16046 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16048 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16049 (BUILD_VARRAY): Delete.
16050 (genprognormal): Rename genprogmd. Fold in all programs from
16051 genprognoprint; also attrtab.
16052 (build/genattrtab): Just mention genautomata.o and varray.o.
16053 Reorganize a bit, add comments to make the categories clearer.
16055 2006-01-22 Zack Weinberg <zackw@panix.com>
16057 * genconditions.c (condition_table, add_condition): Delete.
16058 (write_conditions): Don't emit n_insn_conditions nor
16059 insn_elision_unavailable. Issue the gcc version #ifdef here,
16060 inside the table, with no #else clause ...
16061 (write_header): ...not here.
16062 (write_writer): New function.
16063 (main): Don't initialize condition_table. Use add_c_test.
16065 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16066 files on the command line.
16067 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16068 Return -1 if there is no entry in the table, don't abort.
16069 (add_c_test, traverse_c_tests): New functions.
16070 * gensupport.h (insn_elision_unavailable, insn_conditions)
16071 (n_insn_conditions): Delete declarations.
16072 (add_c_test, traverse_c_tests): Declare.
16073 * read-rtl.c: Include gensupport.h.
16074 (read_conditions): New function.
16075 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16076 (read_rtx_1): If we get EOF when we were looking for an initial
16077 open paren, return 0. Call read_conditions when appropriate.
16078 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16079 dummy-conditions.o. Eliminate references to insn-conditions.o,
16080 or change them to build/gencondmd.o, as appropriate. Remove
16081 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16082 from $(simple_generated_c). For all files remaining in those
16083 two lists, add insn-conditions.md to the generator command line.
16084 Give insn-constants.h/s-constants their own rules. Add rules
16085 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16086 (build/read-rtl.o): Depend on gensupport.h.
16087 (genprognormal): Include preds.
16088 (genprogearly): Rename genprognoprint; only difference is now that
16089 they don't link with $(BUILD_PRINT).
16090 * dummy-conditions.c: Delete.
16092 2006-01-22 Zack Weinberg <zackw@panix.com>
16094 * genextract.c: Don't include insn-config.h. Do include vec.h.
16095 Declare vectors of int, char, and locstr.
16096 (locstr): New typedef.
16097 (struct extraction): Make all array fields into bare pointers.
16098 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16099 (insn_code_number): Delete.
16100 (accum_extract): New struct.
16101 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16102 (gen_insn): Take insn_code_number as an argument. Use an
16103 accum_extract structure instead of loading data directly into
16104 a struct extraction, and having to know how big it might get.
16105 (walk_rtx): Operate entirely on an accum_extract structure.
16106 (print_path): Avoid unnecessary use of printf.
16107 (print_header): New function, split out of main. Distinguish
16108 more carefully between an unrecognizable insn and an insn that
16109 has the code number of a define_expand.
16110 (main): Pass insn_code_number to gen_insn. Call print_header
16111 only after parsing. Avoid unnecessary use of printf.
16112 * Makefile.in (build/vec.o): New rule.
16113 (build/genextract): Depend on build/vec.o.
16114 (build/genextract.o): Don't depend on insn-config.h.
16116 2006-01-22 Zack Weinberg <zackw@panix.com>
16118 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16119 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16120 practical. Eliminate per-generator-program link rules.
16122 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16124 PR middle-end/24437
16125 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16126 with a call expr to ...
16127 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16129 2006-01-23 Richard Guenther <rguenther@suse.de>
16131 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16132 before make_edge with conditional EDGE_TRUE_VALUE.
16134 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16135 Jan Hubicka <jh@suse.cz>
16136 Richard Guenther <rguenther@suse.de>
16138 PR rtl-optimization/25654
16139 * cfgexpand.c (aggregate_contains_union_type): New function.
16140 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16141 for structure variables that contain a union type.
16143 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16145 * gengtype.c (new_structure): Return the structure.
16146 (create_option): Add an extra "next" argument.
16147 (create_field): New function.
16148 (adjust_field_rtx_def): Use create_option and create_field.
16149 Remove a now-unnecessary call to find_structure.
16150 (adjust_field_tree_def): Likewise.
16151 (note_yacc_type): Remove an unnecessary call to find_structure.
16152 * gengtype.h (new_structure): Return the structure.
16153 (create_option): Add an extra argument.
16154 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16155 (option): Adjust calls to create_option.
16157 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16159 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16161 2006-01-22 Paul Brook <paul@codesourcery.com>
16162 Peter Barada <peter@the-baradas.com>
16164 * config/m68k/m68k.md: Add Coldfire FPU support.
16165 Define FP mode macro and associated attributes.
16166 Use it for float mode patterns.
16167 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16168 (LIBCALL_VALUE): Use m68k_libcall_value.
16169 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16170 (m68k_function_value): Ditto.
16171 (emit_move_sequence): Ditto.
16172 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16173 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16174 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16175 (MULTILIB_EXCEPTIONS): Ditto.
16176 * config/m68k/m68k.opt: Add mcfv4e.
16177 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16178 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16179 (m68k_output_function_prologue): Save ColdFire FPU registers.
16180 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16181 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16182 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16183 ColdFire FPU registers.
16184 (m68k_libcall_value, m68k_function_value): New functions.
16185 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16186 (LIBCALL_VALUE): Use m68k_libcall_value.
16187 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16188 (MASK_COLDFIRE): Add MASK_CFV4E.
16189 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16190 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16191 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16192 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16193 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16194 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16195 * doc/invoke.tex: Document -mcfv4e on m68k.
16197 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16199 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16202 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16205 * c-opts.c (c_common_handle_option): Don't include
16206 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16207 * doc/invoke.texi (C++ Dialect Options): Document that
16208 -Wnon-virtual-dtor is no longer included in -Wall.
16210 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16212 * gcov.c (print_version), gcov-dump.c (print_version),
16213 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16216 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16218 * df-scan.c (problem_SCAN): Added NULL reset function.
16219 (df_scan_reset_blocks): Added code to call reset block function
16220 (df_bb_refs_delete) Fixed comment.
16221 (df_insn_refs_delete): Made tolerant of deleting non existent info
16222 for dataflow problems that need to be reset.
16223 * df-core.c (df_set_blocks): Ditto.
16224 * df.h (struct df_problem): Added reset_fun.
16225 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16226 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16227 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16228 functions to clear out all references to def-use or use-def chains.
16230 2006-01-21 Ben Elliston <bje@au.ibm.com>
16232 * varasm.c (assemble_real): Initialise data array.
16234 2006-01-20 Paul Brook <paul@codesourcery.com>
16236 Merge from csl-arm-branch.
16237 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16238 * config/arm/arm.md (movdi): Force operands[1] to a register
16239 if we have a non-register source.
16240 (*arm_movdi, *movdf_soft_insn): Require that one of the
16241 operands be a register.
16242 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16243 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16245 2006-01-20 DJ Delorie <dj@redhat.com>
16247 * varasm.c (initializer_constant_valid_p): Allow pointers
16248 initialized from integer constants of lesser precision.
16249 (output_constant): Allow non-int-sized pointer modes to be
16250 initialized from integer constants.
16252 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16255 * cppdefault.h (struct default_include): Add multilib flag.
16256 * cppdefault.c (cpp_include_defaults): Set it.
16257 * c.opt (-imultilib): New option.
16258 * c-opts.c (imultilib): New.
16259 (c_common_handle_option): Handle -imultilib.
16260 (c_common_post_options): Likewise.
16261 * c-incpath.c (add_standard_paths, register_include_chains):
16263 * c-incpath.h (register_include_chains): Add extra parameter.
16264 * gcc.c (do_spec_1): Generate -imultilib option.
16265 (The Specs Language): Update %I description.
16266 (process_command): Update copyright notice.
16267 * doc/cppopts.texi (-imultilib): Document.
16268 * doc/invoke.texi (-imultilib): Include in option summary.
16269 (%I): Update specs documentation.
16271 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16273 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16275 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16277 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16280 2006-01-20 Richard Guenther <rguenther@suse.de>
16281 Steven Bosscher <stevenb.gcc@gmail.com>
16283 PR rtl-optimization/24626
16284 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16285 EDGE_TRUE_VALUE if in RTL mode.
16288 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16289 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16291 2006-01-20 Dirk Mueller <dmueller@suse.com>
16294 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16295 instead of a special NOP marker.
16296 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16297 NOP marker handling.
16298 * c-common.h (empty_body_warning): Add forward declaration.
16299 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16300 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16302 2006-01-20 Paul Brook <paul@codesourcery.com>
16304 * Makefile.in (lang_checks): Keep going if mkdir fails.
16306 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16308 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16309 be able to clean out basic block when not necessary.
16310 (df_scan_free): Fixed to properly delete information if df is
16311 unused before calling df_finish.
16312 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16313 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16315 (df_bb_refs_delete): New function.
16316 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16317 * df-core.c (df_set_blocks): Added code to properly clean out
16318 unused blocks if they are not part of the blocks to consider.
16319 Added additional null check.
16320 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16321 be able to clean out basic block when not necessary
16322 * df.h (df_free_bb_function): Ditto.
16323 (df_bb_refs_delete): New function.
16324 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16325 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16326 basic block parameter to be able to clean out basic block when not
16328 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16329 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16330 Fixed to properly delete information if df is unused before
16333 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16335 PR rtl-optimization/25799
16336 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16337 Corrected confluence operator to remove bits from op2 before oring
16338 with op1 rather than removing bits from op1.
16339 (df_ru_transfer_function): Corrected test on wrong bitmap which
16340 caused infinite loop. Both of these problems were introduced in
16341 the dataflow rewrite.
16343 2006-01-19 DJ Delorie <dj@redhat.com>
16345 * reload1.c (find_reload_regs): Note the details of reload
16346 failures in the dump file.
16347 (spill_failure): Likewise.
16349 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16351 * loop-iv.c: Include df.h and hashtab.h.
16352 (enum iv_grd_result): New enum.
16353 (DF_REF_IV, DF_REF_IV_SET): New macros.
16354 (struct biv_entry): New.
16355 (df, bivs): New global variables.
16356 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16357 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16359 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16360 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16361 analyzed_for_bivness_p, record_biv): New functions.
16362 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16363 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16364 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16366 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16368 (iv_number_of_iterations): Use new interface to iv analysis.
16369 * loop-unroll.c: Do not include varray.h.
16370 (analyze_iv_to_split_insn): Use new interface to iv
16372 * loop-unswitch.c (may_unswitch_on): Ditto.
16373 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16375 (df_bb_modify): Realloc tables to the new index.
16376 (df_find_use): New function.
16377 * df.h (df_find_use): Declare.
16378 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16380 * cfgloop.h (struct rtx_iv): Remove analysed field.
16381 (iv_get_reaching_def): Removed.
16382 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16383 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16384 (loop-iv.o): Add df.h and hashtab.h dependency.
16385 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16387 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16390 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16392 (__floatundisf, __floatundidf): Likewise.
16393 * libgcc2.h (IS_IBM_EXTENDED): Define.
16395 2006-01-19 DJ Delorie <dj@redhat.com>
16397 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16399 2006-01-19 Paul Brook <paul@codesourcery.com>
16401 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16402 as nothrow when unwinding tables are disabled.
16404 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16407 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16408 of bit-field" when in system header.
16410 2006-01-19 DJ Delorie <dj@redhat.com>
16412 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16413 the 16 bit shift limit of the m16c.
16415 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16418 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16419 * config/i386/i386.c (output_set_got): Output the label if we have one
16420 for the TARGET_DEEP_BRANCH_PREDICTION case.
16422 2006-01-19 Jan Hubicka <jh@suse.cz>
16423 H.J. Lu <hongjiu.lu@intel.com>
16424 Evandro Menezes <evandro.menezes@amd.com>
16426 * invoke.texi (generic): Document
16428 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16429 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16430 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16431 (x86_use_incdec, x86_pad_returns): New variables
16432 (TARGET_CPU_DEFAULT_generic): New constant
16433 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16434 (enum processor_type): Add generic32 and generic64.
16435 * i386.md (cpu attribute): Add generic32/generic64
16436 (movhi splitter): Behave sanely when both partial_reg_dependency and
16437 partial_reg_stall are set.
16438 (K8 splitters): Enable for generic as well.
16439 * predicates.md (incdec_operand): Use TARGET_INCDEC
16440 (aligned_operand): Avoid memory mismatch stalls.
16441 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16442 * ppro.md: Enable for generic32
16443 * i386.c (generic64_cost, generic32_cost): New.
16444 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16445 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16446 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16447 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16448 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16449 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16450 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16451 x86_accumulate_outgoing_args, x86_prologue_using_move,
16452 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16453 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16454 Enable for generic.
16455 (x86_use_incdec, x86_pad_returns): New.
16456 (override_options): Add generic32 and generic64, translate "generic"
16457 to generic32/generic64 and "i686" to "generic32", refuse
16458 "generic32"/"generic64" as arch target.
16459 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16460 (ix86_reorg): Honor PAD_RETURNS.
16462 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16464 * tree-pretty-print.c (dump_generic_node): Handle
16465 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16466 * cgraph.c (cgraph_expand_queue): Rename from
16467 cgraph_analyze_queue. Update all users.
16468 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16469 cgraph_expand_queue.
16470 (cgraph_expand_all_functions): Likewise.
16471 (cgraph_finalize_pending_functions): Remove. Update callers.
16473 * tree.h (OMP_DIRECTIVE_P): Define.
16474 (OMP_PARALLEL_FN): Define.
16475 (OMP_PARALLEL_DATA_ARG): Define.
16476 (OMP_SECTIONS_SECTIONS): Define.
16477 * tree-pass.h (pass_expand_omp): Declare.
16478 * omp-low.c (struct omp_region): Declare.
16479 (struct omp_context): Remove fields 'parallel_type',
16480 'parallel_start_ix' and 'parallel_start_additional_args'.
16482 (struct omp_for_data): Rename from struct expand_omp_for_data.
16483 (omp_regions): New static variable.
16484 (root_omp_region): New static variable.
16485 (find_omp_clause): Make static.
16486 (is_in_combined_parallel_ctx): Remove.
16487 (is_combined_parallel): New.
16488 (extract_omp_for_data): Move earlier in the file.
16489 (workshare_safe_to_combine_p): New.
16490 (get_ws_args_for): New.
16491 (determine_parallel_type): Move earlier in the file.
16492 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16494 (omp_copy_decl): Likewise.
16495 (create_omp_child_function): Likewise.
16496 (lookup_omp_region): New.
16497 (dump_omp_region): New.
16498 (debug_omp_region): New.
16499 (debug_all_omp_regions): New.
16500 (new_omp_region): New.
16501 (scan_omp_parallel): If parallel_nesting_level > 1, the
16502 directive is nested within another parallel directive.
16503 Set OMP_PARALLEL_FN.
16504 (scan_omp_for): Do not try to handle combined parallel+for
16506 Remove FIXME comment.
16507 (scan_omp_nested): Remove.
16508 (scan_omp_1): Do not call scan_omp_nested when
16509 parallel_nesting_level is > 1.
16510 Do not change the DECL_CONTEXT of local variables found.
16511 (lookup_decl_in_outer_ctx): New.
16512 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16513 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16514 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16515 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16516 If CTX is nested, lookup VAR in the outer context when
16517 building copy assignment.
16518 (lower_send_clauses): Rename from expand_send_clauses.
16519 If CTX is nested, lookup VAR in the outer context when
16520 building copy assignments.
16521 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16522 If CTX is nested, lookup VAR in the outer context when
16523 building copy assignments.
16524 (expand_parallel_call): Rename from build_parallel_call.
16525 Handle combined parallel+workshare cases.
16526 Re-implement to emit code into the CFG.
16528 (expand_omp_parallel): Re-implement to emit code into the CFG.
16529 Call move_sese_region_to_fn to outline the sub-graph
16530 containing the parallel region.
16531 (expand_omp_for_1): Remove.
16532 (expand_omp_for_generic): Re-implement to emit code into the
16534 (expand_omp_for_static_nochunk): Likewise.
16535 (expand_omp_for_static_chunk): Likewise.
16536 (expand_omp_for): Likewise.
16537 (expand_omp_sections): Likewise.
16538 (remove_exit_barriers): New.
16539 (expand_omp_synch): New.
16541 (build_omp_regions_1): New.
16542 (build_omp_regions): New.
16543 (execute_expand_omp): New.
16544 (gate_expand_omp): New.
16545 (pass_expand_omp): Define.
16546 (lower_omp_sections): Rename from expand_omp_sections.
16547 Set OMP_SECTIONS_SECTIONS.
16548 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16549 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16550 (lower_omp_single): Rename from expand_omp_simple.
16551 (lower_omp_master): Rename from expand_omp_master.
16552 (lower_omp_ordered): Rename from expand_omp_ordered.
16553 (lower_omp_critical): Rename from expand_omp_critical.
16554 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16555 (lower_omp_for): Re-implement.
16556 (lower_omp_parallel): Re-implement.
16557 (lower_regimplify): Rename from expand_regimplify.
16558 (lower_omp_1): Rename from expand_omp_1.
16559 If there are syntax errors in the program, replace every
16560 OpenMP directive with NOP.
16561 Call lower_omp_* instead of expand_omp_*.
16562 (lower_omp): Rename from expand_omp.
16564 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16565 * tree-gimple.h (enum omp_parallel_type): Remove.
16566 (gimple_boolify): Declare extern.
16567 (find_omp_clause, determine_parallel_type): Remove.
16569 * gimple-low.c (lower_omp_directive): New.
16570 (lower_stmt): Call it.
16571 (record_vars_into): Move from ...
16572 (record_vars): ... here.
16573 Call record_vars_into with current_function_decl.
16575 * gimplify.c (struct gimplify_ctx): Remove fields
16576 combined_pre_p and combined_ctxp. Update users.
16577 (get_formal_tmp_var): Add documentation.
16578 (gimple_boolify): Make extern.
16579 (gimplify_expr_in_ctx): Remove. Update callers.
16580 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16581 will always be a BIND_EXPR.
16582 (gimplify_expr): Handle OMP_RETURN_EXPR.
16583 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16584 (OMP_PARALLEL): Add 3 operands.
16585 (OMP_SECTIONS): Add 1 operand.
16586 (OMP_RETURN_EXPR): Define.
16588 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16589 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16590 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16591 creating a circular free list.
16592 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16594 * tree-flow.h (move_sese_region_to_fn): Declare.
16595 (record_vars_into): Declare.
16596 * tree-cfg.c (make_omp_sections_edges): New.
16597 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16598 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16599 OMP_SECTIONS and OMP_SECTION.
16600 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16601 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16602 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16603 (gather_blocks_in_sese_region): New.
16604 (struct move_stmt_d): Declare.
16605 (move_stmt_r): New.
16606 (move_block_to_fn): New.
16607 (move_sese_region_to_fn): New.
16609 * passes.c (init_optimization_passes): Schedule
16610 pass_expand_omp after pass_init_datastructures.
16612 * tree-ssa-operands.c (get_expr_operands): Handle
16613 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16614 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16616 2006-01-19 Jeff Law <law@redhat.com>
16618 * tree-vrp.c (extract_range_from_assert): Refine the result range
16619 if the variable referenced by the ASSERT_EXPR has a range and
16620 either the tentative result range or the previous range is a
16623 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16625 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16627 2006-01-19 Jan Hubicka <jh@suse.cz>
16629 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16631 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16633 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16634 (expand_compound_operation, expand_field_assignment): Fail if the
16635 bit lengths of an extract operation are out of range.
16636 (make_extraction): Compute wanted_inner_mode based on the position
16637 and length of the extraction. Make it extraction_mode for non-constant
16638 positions, and do not modify offset in that case. When generating a
16639 new MEM, use a mode that can hold the extraction while keeping correct
16640 alignment. Remove code that supported MEMs wrapped by USEs.
16641 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16643 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16645 * config/s390/s390.md ("Y", "y"): New mode attribute.
16646 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16647 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16648 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16649 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16650 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16651 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16652 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16653 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16654 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16655 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16656 "addsi3", "subsi3"): Insn patterns removed.
16657 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16658 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16659 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16660 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16661 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16662 "*sub<mode>3_cconly2"): New insn patterns.
16663 ("addsi3", "subsi3"): New expanders.
16665 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16667 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16668 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16669 existing STMT_VINFO_VECTYPE if available.
16670 (vect_mark_relevant): Add special handling for stmts that are
16671 marked as STMT_VINFO_IN_PATTERN_P.
16672 (vect_analyze_loop): Call vect_pattern_recog.
16673 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16674 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16676 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16677 (vect_recog_func_ptr): New function-pointer type.
16678 * tree-vect-patterns.c: New file.
16679 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16680 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16681 (vect_pattern_recog_1): New functions.
16682 (vect_pattern_recog_funcs): New array of function pointers.
16684 * tree-vectorizer.h (ternary_op): New enum value.
16685 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16686 declaration. Revised documentation. Removed redundant dump prints.
16687 Removed redundant argument. Added support for reduction patterns.
16688 (vectorizable_reduction): Added support for reduction patterns.
16689 (vect_transform_stmt): Added support for patterns.
16691 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16692 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16693 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16694 (expand_widen_pattern_expr): New function.
16695 (init_optabs): Initialize new optabs udot_prod_optab,
16697 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16698 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16699 (expand_widen_pattern_expr): New function declaration.
16700 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16702 * tree-inline.c (estimate_num_insns_1): Added cases for new
16703 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16704 * tree-pretty-print.c (dump_generic_node): Likewise.
16705 (op_prio): Likewise.
16706 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16707 * tree-ssa-operands.c (get_expr_operands): Added case for
16709 * tree-vect-patterns.c (widened_name_p): New function.
16710 (vect_recog_dot_prod_pattern): Added function implementation.
16711 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16712 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16713 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16714 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16716 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16717 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16718 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16719 (init_optabs): Initialize new optabs widen_ssum_optab,
16721 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16722 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16723 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16724 use instead of type of def.
16725 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16726 function implementation.
16727 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16728 widen_ssumv8hi): New.
16730 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16733 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16736 * c-decl.c (add_flexible_array_elts_to_size): New function.
16737 (finish_decl): Use it.
16739 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16741 * diagnostic.h: Include options.h.
16742 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16743 dependancies for diagnostic.h.
16744 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16746 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16748 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16749 (ssa_ro_call_cache_valid): Ditto.
16750 * tree-ssa-alias.c (sort_tags_by_id): New function.
16751 (init_transitive_clobber_worklist): Ditto.
16752 (add_to_worklist): Ditto.
16753 (mark_aliases_call_clobbered): Ditto.
16754 (compute_tag_properties): Ditto.
16755 (set_initial_properties): Ditto.
16756 (compute_call_clobbered): Ditto.
16757 (compute_may_aliases): Call compute_call_clobbered and grouping.
16758 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16759 (compute_flow_insensitive_aliasing): Grouping now happens in our
16761 (setup_pointers_and_addressables): Remove clobbering related code.
16762 (add_may_alias): Ditto.
16763 (replace_may_alias): Ditto.
16764 (get_nmt_for): Ditto.
16765 (create_global_var):
16766 (is_escape_site): Return an escape_type enumeration.
16767 * tree-flow-inline.h (is_call_clobbered): Global var does not
16768 imply call clobbered.
16769 (mark_call_clobbered): Take a reason for marking this. Remove
16770 marking of globalness, and cache invalidation.
16771 (clear_call_clobbered): Remove cache invalidation code.
16772 * tree-dfa.c (dump_variable): If details is on, dump the reason
16774 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16776 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16777 (struct var_ann_d): Ditto.
16778 (enum escape_type): New.
16779 (mark_call_clobbered): Adjust prototype.
16780 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16781 are never call clobbered.
16782 Record reasons for escaping.
16783 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16784 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16785 (ssa_ro_call_cache_valid): Ditto.
16786 (clobbered_v_may_defs): Ditto.
16787 (clobbered_vuses): Ditto.
16788 (ro_call_vuses): Ditto.
16789 (clobber_stats): New.
16790 (init_ssa_operands): Zero out clobber stats.
16791 (fini_ssa_operands): Print out clobber stats.
16792 (get_call_expr_operands): Pass callee fndecl to
16793 add_call_read_ops).
16794 (add_call_clobber_ops): Remove use of cache.
16795 Add use of PURE_CONST information.
16796 (add_call_read_ops): Remove use of cache.
16797 Add use of static not_read information.
16799 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16801 Introduce TLS descriptors for i386 and x86_64.
16802 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16803 (TARGET_ANY_GNU_TLS): New macro.
16804 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16805 (struct machine_function): Add tls_descriptor_call_expanded_p.
16806 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16807 (ix86_current_function_calls_tls_descriptor): Likewise.
16808 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16809 (override_options): Introduce gnu2 tls dialect.
16810 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16812 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16814 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16815 (ix86_init_machine_status): Initialize new field.
16816 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16817 (ix86_tls_module_base): New.
16818 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16819 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16820 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16821 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16822 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16823 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16824 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16825 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16826 * config/i386/predicates.md (tls_modbase_operand): New.
16827 (tp_or_register_operand): New.
16829 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16831 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16832 (look_for_address_of): Ditto.
16833 (ipa_init): Walk the function decls.
16834 (static_execute): Don't set readonly on FUNCTION_DECL's.
16836 2006-01-18 Roger Sayle <roger@eyesopen.com>
16838 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16839 for shifts where the source and destination registers are different.
16841 2006-01-18 Paul Brook <paul@codesourcery.com>
16843 Merge from csl-arm-branch.
16844 2005-03-14 Julian Brown <julian@codesourcery.com>
16845 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16846 (aeabi_llsl): Likewise.
16847 (ashrdi3): Likewise.
16848 (aeabi_lasr): Likewise.
16849 (lshrdi3): Likewise.
16850 (aeabi_llsr): Likewise.
16851 2005-03-10 Julian Brown <julian@codesourcery.com>
16852 * config.gcc: Disable shared libgcc for SymbianOS.
16853 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16855 2006-01-18 DJ Delorie <dj@redhat.com>
16857 * c-pragma.c (handle_pragma_diagnostic): New.
16858 (init_pragma): Register it.
16859 * doc/extend.texi: Document it.
16861 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16862 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16863 (diagnostic_context): Add classify_diagnostic[].
16864 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16865 as errors if they're overridden to DK_WARNING.
16866 (diagnostic_initialize): Initialize classify_diagnostic[].
16867 (diagnostic_set_kind_override): New.
16868 (diagnostic_report_diagnostic): Check for kind changes.
16869 * opts.c (common_handle_option): Take lang_mask. Update callers.
16870 Handle OPT_Werror_.
16871 * common.opt (Werror=): New.
16872 * doc/invoke.texi: Document -Werror=*
16874 2006-01-18 Jeff Law <law@redhat.com>
16876 * tree-vrp.c (test_for_singularity): Correct test for new
16877 min limit. Use operand_equal_p rather than pointer equality
16878 for testing if new min/max values are equal.
16880 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16881 using range information until after propagation and folding.
16883 2006-01-18 Richard Henderson <rth@redhat.com>
16884 Aldy Hernandez <aldyh@redhat.com>
16885 Jakub Jelinek <jakub@redhat.com>
16886 Diego Novillo <dnovillo@redhat.com>
16888 * omp-low.c: New file.
16889 * c-omp.c: New file.
16891 2006-01-18 Richard Henderson <rth@redhat.com>
16892 Jakub Jelinek <jakub@redhat.com>
16893 Diego Novillo <dnovillo@redhat.com>
16895 * doc/invoke.texi: Document -fopenmp.
16896 * tree-dump.h (debug_function): Declare.
16897 * hooks.c (hook_bool_tree_bool_false): New function.
16898 (hook_tree_tree_null): Remove.
16899 (hook_tree_tree_tree_null): New.
16900 * hooks.h: Update to match.
16901 * tree-pretty-print.c (debug_tree_chain): New.
16902 (print_generic_expr): Handle TDF_CHAIN.
16903 (dump_generic_node): Handle BLOCK.
16904 Do not abort with incomplete SWITCH_EXPRs.
16905 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16906 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16907 print space after directive name.
16908 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16909 Handle OMP_MASTER and OMP_ORDERED.
16910 Handle printing of OMP_BODY just in one place, goto
16911 dump_omp_body in the rest of OMP_* nodes that have
16913 Don't handle clause nodes here. Update omp statements to
16914 use dump_omp_clauses.
16915 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16916 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16917 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16918 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16919 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16920 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16921 Adjust output for GOMP_PARALLEL.
16922 (dump_omp_clauses): New.
16923 (print_declaration): Dump DECL_VALUE_EXPR.
16924 (op_symbol_1): Split out of op_symbol.
16925 (dumping_stmts): Remove. Update all users.
16926 * cgraph.c (cgraph_analyze_queue): New.
16927 (cgraph_add_new_function): New.
16928 * cgraph.h (cgraph_analyze_queue): Declare.
16929 (cgraph_add_new_function): Declare.
16930 (cgraph_lower_function): Remove.
16931 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16932 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16933 and TYPE_P nodes in its default clause.
16934 (empty_body_p): New.
16935 (tree_range_check_failed): New.
16936 (build5_stat): New.
16937 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16938 OMP_CLAUSE_REDUCTION_MERGE,
16939 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16940 OMP_CLAUSE_PRIVATE_DEBUG,
16941 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16942 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16943 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16944 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16945 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16946 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16947 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16948 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16949 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16950 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16951 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16952 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16953 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16954 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16955 (TREE_RANGE_CHECK): New.
16956 (empty_body_p): Declare.
16957 (enum omp_clause_default_kind): New.
16958 (build_string_literal): Declare.
16959 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16960 (build5_stat, build5): Declare.
16961 * tree-pass.h (TDF_CHAIN): Define.
16962 * tree-pass.h (PROP_gimple_lomp): Define.
16963 (pass_lower_omp): Declare.
16964 * diagnostic.h (debug_tree_chain): Declare.
16965 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16967 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16968 * builtins.c (build_string_literal): Make extern.
16969 * gcc.c (include_spec_function): New.
16970 (static_spec_functions): Add it.
16971 (main): Move load of libgomp.spec ...
16972 (LINK_COMMAND_SPEC): ... here.
16973 (link_gomp_spec): New.
16974 (static_specs): Include it.
16975 (LINK_COMMAND_SPEC): Add link_gomp.
16976 (GOMP_SELF_SPECS): New.
16977 (driver_self_specs): Include it.
16978 (switch_matches): Don't mark inline.
16979 (main): Load libgomp.spec.
16980 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16981 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16982 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16983 * tree-gimple.h (enum omp_parallel): Declare.
16984 (determine_parallel_type): Declare.
16985 (omp_firstprivatize_variable): Declare.
16986 (omp_reduction_init): Declare.
16987 (diagnose_omp_structured_block_errors): Declare.
16988 (struct walk_stmt_info): Add want_return_expr.
16989 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16990 (find_omp_clause): Declare.
16991 (insert_field_into_struct): Declare.
16992 (struct walk_stmt_info): Move from tree-nested.c
16993 (walk_stmts): Declare.
16994 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16996 * cgraphunit.c (cgraph_lower_function): Make static.
16997 (cgraph_finalize_pending_functions): New.
16998 (cgraph_finalize_function): Call it.
16999 (cgraph_finalize_compilation_unit): Likewise.
17000 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17001 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17002 (BT_FN_UINT_UINT): New.
17003 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17004 DEF_FUNCTION_TYPE_VAR_4): Document.
17005 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17006 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17007 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17008 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17009 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17010 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17011 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17012 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17013 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17014 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17015 into separate files.
17016 (DEF_GOMP_BUILTIN): New.
17017 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17018 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17019 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17020 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17021 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17022 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17023 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17024 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17025 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17026 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17027 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17028 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17029 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17030 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17031 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17032 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17033 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17034 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17035 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17036 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17037 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17038 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17039 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17040 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17041 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17042 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17043 * sync-builtins.def: New file, moved from builtins.def.
17044 * omp-builtins.def: New file, moved from builtins.def.
17045 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17046 * gimple-low.c (lower_function_body): Clear data.
17047 (lower_stmt): Do not handle COMPOUND_EXPR.
17048 Remove call to print_node_brief.
17049 * c-tree.h (c_finish_omp_clauses): New prototype.
17050 (C_DECL_THREADPRIVATE_P): Define.
17051 (lookup_name_no_remap, c_omp_remap_private): Remove
17052 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17053 (check_for_loop_decls): Update decl.
17054 (lookup_name_no_remap, c_omp_remap_private): Declare.
17055 (build_indirect_ref, build_modify_expr, pushdecl,
17056 pushdecl_top_level): Move to c-common.h.
17057 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17058 before the switch, but just in the 2 places that need it.
17059 * c-decl.c (diagnose_mismatched_decls): Do not check for
17060 mismatched thread-local attributes when OLDDECL is marked
17061 threadprivate and NEWDECL has no thread-local attributes.
17062 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17063 (c_gimple_diagnostics_recursively): Rename from
17064 c_warn_unused_result_recursively. Invoke
17065 diagnose_omp_structured_block_errors.
17066 (check_for_loop_decls): Return a singular decl found.
17067 * langhooks.c (lhd_omp_predetermined_sharing): Return
17068 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17069 (lhd_omp_firstprivatize_type_sizes): New.
17070 (lhd_omp_assignment): New.
17071 (lhd_omp_predetermined_sharing): New.
17072 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17073 (struct lang_hooks_for_types): Add
17074 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17075 omp_predetermined_sharing, omp_disregard_value_expr,
17076 omp_private_debug_clause, omp_clause_default_ctor,
17077 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17078 (c_finish_omp_clauses): New.
17079 (c_finish_bc_stmt): Diagnose break within omp for.
17080 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17081 (build_unary_op): Return error_mark after reporting
17083 (build_modify_expr): Likewise.
17084 * gimplify.c: Include optabs.h and pointer-set.h.
17085 (enum gimplify_omp_var_data): Declare.
17086 (struct gimplify_omp_ctx): Declare.
17087 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17089 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17090 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17091 (splay_tree_compare_decl_uid): New.
17092 (new_omp_context): New.
17093 (delete_omp_context): New.
17094 (gimple_add_tmp_var): Call omp_add_variable.
17095 (gimplify_bind_expr): Likewise.
17096 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17097 true, disregard DECL_VALUE_EXPR on the decl if any.
17098 (gimplify_expr_in_ctx): New.
17099 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17100 omp_add_variable, omp_notice_variable, omp_is_private
17101 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17102 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17103 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17104 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17105 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17106 gimplify_omp_atomic): New.
17107 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17108 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17109 OMP_CRITICAL and OMP_ATOMIC.
17110 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17111 * c-pragma.h (enum pragma_kind): Add
17112 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17113 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17114 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17115 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17116 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17117 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17118 PRAGMA_OMP_THREADPRIVATE.
17119 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17120 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17121 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17122 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17123 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17124 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17125 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17126 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17127 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17128 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17129 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17130 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17131 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17133 (struct nesting_info): Add field_map,
17134 suppress_expansion, debug_var_chain.
17135 (create_nesting_tree): Initialize them.
17136 (lookup_field_for_decl): Use field_map.
17137 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17138 (convert_local_omp_clauses): New.
17139 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17140 (walk_body): Split out of walk_function.
17141 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17142 (convert_nonlocal_reference): Handle omp statements.
17143 (convert_local_reference): Likewise.
17144 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17145 (unnest_nesting_tree): New.
17146 (lower_nested_functions): Call it.
17147 (insert_field_into_struct): Make extern.
17148 (struct walk_stmt_info): Move to tree-gimple.h.
17149 (walk_stmts): Make extern.
17150 * omp-builtins.def: New file.
17151 * tree-iterator.c (expr_only): Clarify comment.
17152 * c-common.h (pushdecl_top_level, pushdecl,
17153 build_modify_expr, build_indirect_ref,
17154 c_finish_omp_master, c_finish_omp_critical,
17155 c_finish_omp_ordered, c_finish_omp_barrier,
17156 c_finish_omp_atomic, c_finish_omp_flush,
17157 c_finish_omp_for, c_split_parallel_clauses,
17158 omp_clause_default_kind, c_omp_sharing_predetermined,
17159 c_omp_remap_decl): Declare.
17160 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17161 (OBJS-common): Add omp-low.o.
17162 (c-omp.o, omp-low.o): Add.
17163 (gimplify.o): Add dependency on $(OPTABS_H).
17164 (GTFILES): Add omp-low.c.
17165 (gt-stringpool.h): Add.
17166 * tree-cfg.c (set_bb_for_stmt): Do not update the
17167 block-to-labels map if we are currently expanding to RTL.
17168 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17170 Handle IDENTIFIER_NODE.
17171 (tree_verify_flow_info): Do not ICE when emitting error
17172 messages about invalid labels.
17173 (dump_function_to_file): Reset CFUN before emitting the body
17175 (debug_function): New.
17176 * passes.c (init_optimization_passes): Schedule
17178 * langhooks-def.h (lhd_omp_predetermined_sharing,
17179 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17181 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17182 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17183 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17184 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17185 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17186 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17187 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17188 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17189 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17190 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17191 (LANG_HOOK_DECLS): Use them.
17193 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17194 Richard Henderson <rth@redhat.com>
17195 Jakub Jelinek <jakub@redhat.com>
17196 Diego Novillo <dnovillo@redhat.com>
17198 * c-parser.c (pragma_omp_clause): Define.
17199 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17200 (c_parser_compound_statement): Likewise.
17201 (c_parser_statement): Likewise.
17202 (c_parser_pragma): Handle omp pragmas.
17203 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17204 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17205 (c_parser_omp_clause_name, check_no_duplicate_clause,
17206 c_parser_omp_variable_list,
17207 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17208 c_parser_omp_clause_copyprivate,
17209 c_parser_omp_clause_default,
17210 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17211 c_parser_omp_clause_lastprivate,
17212 c_parser_omp_clause_nowait,
17213 c_parser_omp_clause_num_threads,
17214 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17215 c_parser_omp_clause_reduction,
17216 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17217 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17218 c_parser_omp_atomic, c_parser_omp_barrier,
17219 c_parser_omp_critical, c_parser_omp_flush,
17220 c_parser_omp_for_loop, c_parser_omp_for,
17221 c_parser_omp_master, c_parser_omp_ordered,
17222 c_parser_omp_sections_scope, c_parser_omp_sections,
17223 c_parser_omp_parallel, c_parser_omp_single,
17224 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17225 * c-pragma.c (init_pragma): Do omp pragma registration here.
17226 * c.opt (fopenmp): New flag.
17228 2006-01-18 Eric Christopher <echristo@apple.com>
17230 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17231 * config/darwin.h (GOMP_SELF_SPECS): Define.
17233 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17235 * rtl.h: Remove the prototype for reg_alloc.
17237 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17240 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17241 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17242 sjlj and dwarf2 exception handling.
17243 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17244 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17245 * pa/pa.c (function_value): Treat complex and vector types as
17247 (function_arg): Likewise. Only pass scalar floats in the floating
17248 point argument registers.
17249 * pa/t-slibgcc-dwarf-ver: New file.
17250 * pa/t-slibgcc-sjlj-ver: New file.
17251 * pa/t-slibgcc-elf-ver: Delete file.
17253 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17255 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17256 unlikely_test_section_p test.
17258 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17260 * mode-switching.c (optimize_mode_switching): Make it static.
17261 * basic-block.h: Remove the prototype for
17262 optimize_mode_switching.
17264 * modulo-sched.c (sms_schedule): Make it static.
17265 * rtl.h: Remove the prototype for sms_schedule.
17267 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17268 * rtl.h: Remove the prototype for gcse_after_reload_main.
17270 * reg-stack.c (reg_to_stack): Make it static.
17271 * rtl.h: Remove the prototype for reg_to_stack.
17273 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17275 * rtl.h: Remove the prototypes for regrename_optimize and
17276 copyprop_hardreg_forward.
17278 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17280 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17281 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17282 Test against the appropriate null constant for the mode.
17283 If 'fixup_overlap' is true, swap the operands if they overlap.
17284 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17285 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17286 alpha_split_tmode_pair and adjust for above change.
17287 * config/alpha/alpha.md (movtf_internal): Adjust call to
17288 alpha_split_tfmode_pair and rely on it to swap the operands.
17289 (movti_internal): New insn and post-reload splitter.
17290 (movti): New expander.
17292 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17294 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17299 * rtlanal.c (global_reg_mentioned_p_1,
17300 global_reg_mentioned_p): Remove.
17301 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17303 * flow.c (initialize_uninitialized_subregs): Make it static.
17304 * rtl.h: Remove the prototype for
17305 initialize_uninitialized_subregs.
17307 * function.c (instantiate_virtual_regs): Make it static.
17308 * function.h: Remove the prototype for
17309 instantiate_virtual_regs.
17311 * regmove.c (regmove_optimize, combine_stack_adjustments):
17313 * rtl.h: Remove the prototypes for regmove_optimize and
17314 combine_stack_adjustments.
17316 2006-01-17 Roger Sayle <roger@eyesopen.com>
17318 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17319 (size_cost): Encode costs in bytes so that a reg-reg addition is
17320 equivalent to COSTS_N_INSNS(1).
17321 (override_options): Use the size_cost.branch_cost as the default
17322 ix86_branch_cost when optimizing for size.
17324 2006-01-18 Ben Elliston <bje@au.ibm.com>
17326 * Makefile.in (D32PBIT_FUNCS): New.
17327 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17328 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17329 D64PBIT_FUNCS and D128PBIT_FUNCS.
17330 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17331 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17333 (decnumber_dep): Define.
17334 * doc/libgcc.texi (Decimal float library routines): New node.
17335 * config/dfp-bit.h, config/dfp-bit.c: New files.
17337 2006-01-18 Ben Elliston <bje@au.ibm.com>
17339 * expr.c (emit_move_change_mode): Always adjust addresses, not
17340 just during reload. Copy replacements only during reload.
17341 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17342 emit_move_via_integer.
17344 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17346 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17347 instead of $(srcdir) and ${srcdir}.
17349 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17352 PR middle-end/11135
17353 * arm.h (struct machine_function): Add pic_reg.
17354 * arm.c (arm_pic_register): Make unsigned.
17355 (arm_override_options): Only set arm_pic_register if
17356 TARGET_SINGLE_PIC_BASE.
17357 (use_return_insn): Only test for a pic register if it is fixed.
17358 (arm_compute_save_reg0_reg12_mask): Likewise.
17359 (thumb_compute_save_reg_mask): Likewise.
17360 (legitimate_pic_operand): Factor out some known invariants.
17361 (legitimize_pic_address): If we don't have a fixed pic register,
17362 then set up a pseudo in the function entry sequence. Handle the
17363 pic base being in a pseudo.
17364 (arm_load_pic_register): Handle the pic register being in a pseudo.
17365 (arm_expand_prologue): Only set up the pic register if it is fixed.
17366 (thumb_expand_prologue): Likewise.
17367 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17368 (pic_load_addr_based_insn): Likewise.
17369 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17372 2006-01-18 Ben Elliston <bje@au.ibm.com>
17374 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17375 decimal float modes for all floating point registers.
17377 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17378 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17380 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17383 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17384 even when the pointer is not NULL.
17386 2006-01-16 Ian Lance Taylor <ian@airs.com>
17388 * common.opt (ftoplevel-reorder): New option.
17389 * cgraph.c (cgraph_asm_nodes): New global variable.
17390 (cgraph_asm_last_node): New static variable.
17391 (cgraph_order): New global variable.
17392 (cgraph_create_node): Set new order field.
17393 (cgraph_varpool_node): Likewise.
17394 (decide_is_variable_needed): Return true if not
17395 flag_toplevel_reorder.
17396 (cgraph_add_asm_node): New function.
17397 * cgraph.h (struct cgraph_node): Add order field.
17398 (struct cgraph_varpool_node): Add order field.
17399 (struct cgraph_asm_node): Define.
17400 (cgraph_asm_nodes, cgraph_order): Declare.
17401 (cgraph_add_asm_node): Declare.
17402 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17404 (cgraph_varpool_assemble_pending_decls): Call it.
17405 (cgraph_output_pending_asms): New static function.
17406 (cgraph_finalize_compilation_unit): Call it.
17407 (struct cgraph_order_sort): Define.
17408 (cgraph_output_in_order): New static function.
17409 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17410 !flag_toplevel_reorder case.
17411 * c-parser.c: Include "cgraph.h".
17412 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17414 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17415 than -fno-unit-at-a-time.
17416 * doc/invoke.texi (Option Summary): Mention
17417 -fno-toplevel-reorder.
17418 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17419 -funit-at-a-time documentation.
17421 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17422 Kazu Hirata <kazu@codesourcery.com>
17424 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17426 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17428 * Makefile.in (FUNCTION_H): New. Use it instead of
17429 function.h throughout the file.
17430 * function.h: Include tree.h.
17432 2006-01-17 Ben Elliston <bje@au.ibm.com>
17434 * recog.c: Separate some functions with whitespace.
17436 2006-01-16 Richard Henderson <rth@redhat.com>
17438 Merge from gomp branch:
17439 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17440 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17441 and rename from struct inline_data. Rename callee* to dst*;
17442 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17443 transform_new_cfg, transform_return_to_modify, and
17444 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17446 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17447 (copy_decl_for_dup): Remove.
17448 * tree-inline.c (struct inline_data): Move to header.
17449 (insert_decl_map): Export.
17450 (remap_decl): Update for member name changes. Use copy_decl hook.
17451 Allow for replacement to be a non-decl. Remove dead code.
17452 (remap_type_1): Check for existing mapping.
17453 (remap_type): Export.
17454 (remap_decls): Update for member name changes.
17455 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17456 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17457 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17458 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17459 (tree_function_versioning, build_duplicate_type): Likewise.
17460 (copy_body_r): Likewise. Export.
17461 (copy_decl_for_dup): Split into ...
17462 (copy_decl_for_dup_finish, copy_decl_to_var,
17463 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17464 (replace_ref_tree, inlining_p): Remove.
17466 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17468 * ifcvt.c (if_convert): Make it static.
17469 * rtl.h: Remove the prototype for if_convert.
17471 * local-alloc.c (local_alloc): Make it static.
17472 * rtl.h: Remove the prototype for local_alloc.
17474 * loop.c (loop_optimize): Make it static.
17475 * cfgloop.h: Remove the prototype for loop_optimize.
17478 2006-01-16 DJ Delorie <dj@redhat.com>
17480 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17483 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17485 * pa.md: Disparage copies between general and floating-point registers
17486 in 32-bit move patterns.
17488 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17491 * Makefile.in (check-%): Depend on site.exp instead of
17492 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17495 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17497 * global.c (global_alloc): Make it static.
17498 * rtl.h: Remove the prototype for global_alloc.
17500 2006-01-16 Richard Guenther <rguenther@suse.de>
17502 * tree-ssa-alias.c (struct used_part): Add write_only field.
17503 (get_or_create_used_part_for): Initialize it to true.
17504 (create_overlap_variables_for): Don't create structure variables
17505 for structures that only are written to.
17506 (find_used_portions): Handle MODIFY_EXPR to track whether a
17507 structure is only written to.
17509 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17511 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17513 * basic-block.h: Remove the prototype for
17514 partition_hot_cold_basic_blocks.
17516 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17518 * cppspec.c (lang_specific_spec_functions): Remove.
17519 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17520 * gcc.h (lang_specific_spec_functions): Remove.
17521 * gccspec.c (lang_specific_spec_functions): Remove.
17523 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17525 * combine.c (record_value_for_reg): Invalidate registers
17527 (record_dead_and_set_regs_1): Likewise, by passing them to
17528 record_value_for_reg.
17529 (record_dead_and_set_regs): Invalidate stores made by a
17530 call. We do not combine across a call, but we still
17531 relied on equivalences.
17533 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17535 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17536 vrp_int_const_binop returning non-constant nodes.
17538 2006-01-16 Paul Brook <paul@codesourcery.com>
17540 * config/m68k/m68k.c (output_move_const_into_data_reg):
17541 Output correct mnemonic for mvz and mvs.
17543 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17545 * rtl-factoring.c: Add sequence abstraction algorithm.
17546 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17547 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17549 (block_has_preserve_label): New function.
17550 * common.opt: Register new pass.
17551 * Makefile.in: Ditto.
17553 * timevar.def: Ditto.
17554 * tree-pass.h: Ditto.
17555 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17556 * rtl.h (make_jump_insn_raw): Add forward decl.
17557 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17559 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17560 Roger Sayle <roger@eyesopen.com>
17562 * fold-const.c (fold_minmax): New static function.
17563 (fold_binary) <MIN_EXPR>: Call it.
17564 <MAX_EXPR>: Likewise.
17565 * stor-layout.c (place_field): Use DECL_SIZE consistently
17566 in the computation of the new record size.
17568 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17570 * cse.c (cse_condition_code_reg): Make it static.
17571 * rtl.h: Remove the prototype for cse_condition_code_reg.
17573 * combine.c (combine_instructions): Make it static.
17574 * rtl.h: Remove the prototype for combine_instructions.
17576 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17579 * tree.c (get_file_function_name_long): Concatenate the first global
17580 object name with a string derived from the input filename of the object
17583 2006-01-16 Ben Elliston <bje@au.ibm.com>
17585 * config/i386/winnt-stubs.c: Update FSF address.
17586 * config/xtensa/ieee754-df.S: Ditto.
17587 * config/xtensa/ieee754-sf.S: Ditto.
17589 2006-01-14 Ian Lance Taylor <ian@airs.com>
17591 * ifcvt.c (noce_init_if_info): New static function, broken out of
17592 noce_process_if_block.
17593 (noce_process_if_block): Call noce_init_if_info.
17594 (check_cond_move_block): New static function.
17595 (cond_move_process_if_block): New static function.
17596 (process_if_block): Call cond_move_process_if_block.
17598 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17600 * cselib.c (hash_table): Rename to cselib_hash_table.
17601 (cselib_clear_table, discard_useless_values,
17602 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17603 cselib_init, cselib_finish): Adjust uses of hash_table.
17605 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17607 PR tree-optimization/25485
17608 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17609 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17610 is known to be false and true, respectively.
17612 2006-01-14 Richard Guenther <rguenther@suse.de>
17614 PR tree-optimization/22548
17615 PR tree-optimization/22555
17616 PR tree-optimization/22501
17617 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17618 * params.def (salias-max-array-elements): New parameter.
17619 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17620 * doc/invoke.texi (salias-max-array-elements): Document.
17621 * tree-flow-inline.h (var_can_have_subvars): We also handle
17623 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17625 * tree-ssa-structalias.c (params.h): Include.
17626 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17627 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17628 (get_constraint_for): For ADDR_EXPR operating on something
17629 containing an ARRAY_REF, add all subvars to the solution.
17630 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17631 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17632 for creating MUST_DEFs.
17633 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17635 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17637 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17639 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17640 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17641 number_of_iterations_le): New functions.
17642 (number_of_iterations_special): Removed.
17643 (number_of_iterations_exit): Do not use number_of_iterations_special.
17644 * tree.c (unsigned_type_for): Always return integer type.
17646 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17647 Richard Guenther <rguenther@suse.de>
17649 PR rtl-optimization/24257
17650 * gcse.c (find_moveable_store): Only consider a store movable
17651 when the SET_SRC of the insn can be assigned to a register.
17653 2006-01-14 Ian Lance Taylor <ian@airs.com>
17655 * tree.c (tree_not_class_check_failed): New function.
17656 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17657 (tree_not_class_check_failed): Declare.
17659 2006-01-13 Ian Lance Taylor <ian@airs.com>
17661 * reload1.c (do_output_reload): Add assertion rejecting a
17664 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17666 * combine.c (struct reg_stat): Add new fields truncation_label and
17668 (record_value_for_reg): Reset truncated_to_mode.
17669 (record_truncated_value): New function.
17670 (check_promoted_subreg): Call it. Rename to check_conversions.
17671 (combine_instructions): Rename check_promoted_subreg to
17673 (reg_truncated_to_mode): New function.
17674 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17675 (gen_lowpart_or_truncate): New function.
17676 (force_to_mode): Use it instead of gen_lowpart.
17678 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17680 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17681 VAR is a tag, not its type tag.
17683 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17685 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17686 alternatives to match style of other entries.
17687 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17689 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17691 PR tree-optimization/25771
17692 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17695 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17698 * tree-inline.c (declare_return_variable): If the return variable
17699 was marked as a non gimple complex, set the return slot variable
17700 to be a non gimple comple variable.
17702 2006-01-13 Richard Guenther <rguenther@suse.de>
17704 * builtins.c (expand_builtin_sincos): New function.
17705 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17707 (expand_builtin): Expand sincos using expand_builtin_sincos.
17709 2006-01-12 DJ Delorie <dj@redhat.com>
17711 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17712 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17713 so that constant shifts can be split.
17714 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17715 (m32c_valid_pointer_mode): Make static.
17716 (shift_gen_func_for): New.
17717 (m32c_prepare_shift): Use it. Split large const shifts into
17719 * config/m32c/predicates.md (shiftcount_operand): Allow more
17721 (longshiftcount_operand): New.
17722 * doc/md.texi (Machine Constraints): Document In6.
17724 2006-01-13 Ben Elliston <bje@au.ibm.com>
17726 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17727 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17730 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17732 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17733 to try to avoid clobbering pieces of structures when we know
17734 something about the whole structure.
17735 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17737 2006-01-13 Ben Elliston <bje@au.ibm.com>
17739 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17740 return in memory, as this is no limitation is no longer present.
17742 2006-01-12 DJ Delorie <dj@redhat.com>
17744 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17745 mova with fb, and for fb+0 -> An.
17747 * config/m32c/mov.md (peephole2): Fix enabling logic.
17749 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17750 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17751 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17752 FINI_ARRAY_SECTION_ASM_OP): Define.
17754 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17756 (m32c_legitimize_reload_address): New logic to reload FB to An.
17757 (m32c_output_reg_push): Add newline.
17758 (m32c_output_reg_pop): Likewise.
17760 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17762 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17764 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17766 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17768 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17770 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17773 2006-01-11 Ben Elliston <bje@au.ibm.com>
17775 * rtlanal.c (find_reg_note): Assert insn is not null.
17777 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17779 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17782 2006-01-11 Jeff Law <law@redhat.com>
17784 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17786 (mark_threaded_blocks, register_jump_thread): New functions.
17787 (thread_through_all_blocks): Remove unwanted argument. No
17788 longer rely on e->aux to communicate thread target info.
17789 Call mark_threaded_blocks. Release the threaded_blocks
17790 bitmap and threaded_edges vector when complete.
17791 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17792 (threaded_blocks): Remove.
17793 (tree_ssa_dominator_optimize): Remove initialization and
17794 finalization of threaded_blocks. Simplify call to
17795 thread_through_all_blocks.
17796 (thread_across_edge): Call register_jump_thread rather than
17797 storing thread information into e->aux.
17798 (free_all_edge_infos): Simplify now that e->aux is no longer
17799 used to communicate with thread_through_all_blocks.
17800 * tree-flow.h (thread_through_all_blocks): Update prototype.
17801 (register_jump_thread): Prototype.
17803 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17805 * df-core.c (df_compact_blocks, df_bb_replace): Use
17806 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17808 2006-01-11 Richard Guenther <rguenther@suse.de>
17810 PR tree-optimization/25734
17811 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17812 stop propagation after successful propagation to the LHS.
17814 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17816 * basic-block.h (control_flow_graph): Change the type of
17817 x_basic_block_info to VEC(basic_block,gc) *.
17818 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17820 (SET_BASIC_BLOCK): New.
17821 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17822 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17823 * cfgbuild.c (find_basic_blocks): Likewise.
17824 * cfglayout.c (fixup_reorder_chain): Likewise.
17825 * cfgrtl.c (create_basic_block_structure,
17826 rtl_create_basic_block): Likewise.
17827 * ifcvt.c (find_if_case_1): Likewise.
17828 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17831 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17833 * Makefile.in: Removed rotted odf.c entry.
17835 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17838 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17839 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17840 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17841 output pattern modifier, not %e.
17842 * config/cris/cris.c (cris_op_str): Update comment about pattern
17844 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17845 before falling through into...
17846 <case 'E'>: Redefined from old 'e' case.
17848 2006-01-11 Jan Hubicka <jh@suse.cz>
17851 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17853 2006-01-11 Jan Hubicka <jh@suse.cz>
17855 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17856 * i386.c (x86_decompose_lea): Kill.
17857 (ix86_rtx_costs): Kill.
17859 2006-01-11 Jan Hubicka <jh@suse.cz>
17861 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17862 * cgraph.h (cgraph_node): Add inline_decl.
17863 (cgraph_insert_node_to_hashtable): Declare.
17864 (save_inline_function_body): Declare.
17865 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17867 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17868 (cgraph_function_versioning): Update call of tree_function_versioning.
17869 (save_inline_function_body): New function.
17870 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17871 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17872 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17873 (cgraph_default_inline_p): Likewise.
17874 (cgraph_decide_inlining_incrementally): Likewise.
17875 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17876 (copy_bb): Kill saving; do updating of clones.
17877 (copy_cfg_body): Kill saving.
17878 (initialize_inlined-parameters): Likewise.
17879 (expand_call_inline): Likewise.
17881 (tree_function_versioning): New parameter "update_clones".
17882 (inlining_p): Kill saving.
17883 * tree-inline.h (tree_function_versioning): Update prototype.
17884 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17887 2006-01-11 Ian Lance Taylor <ian@airs.com>
17889 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17890 Allow undoing set of machine mode.
17891 (do_SUBST): Use enums instead of is_int.
17892 (do_SUBST_MODE): New function.
17893 (SUBST_MODE): New macro.
17894 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17895 reg and trying to replace reg_regno_rtx with a new register.
17896 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17897 (simplify_set): Use SUBST_MODE.
17898 (distribute_notes): Remove code that tried to update reg notes
17899 for regno_reg_rtx changes.
17901 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17903 PR tree-optimization/23109
17904 PR tree-optimization/23948
17905 PR tree-optimization/24123
17907 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17908 * tree-cfg.c (single_noncomplex_succ): New.
17909 * tree-flow.h (single_noncomplex_succ): Declare it.
17910 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17911 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17912 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17913 insert_bb, register_division_in, insert_reciprocals,
17914 replace_reciprocal, free_bb): New.
17915 (execute_cse_reciprocals_1): Rewritten.
17916 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17917 Do not commit any edge insertion. Always compute dominators and
17918 create the allocation pool.
17919 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17920 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17921 * targhooks.c (default_min_divistions_for_recip_mul): New.
17922 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17923 * passes.c (init_optimization_passes): Run recip after tree loop
17925 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17927 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17928 Kenneth Zadeck <zadeck@naturalbridge.com>
17930 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17931 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17932 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17933 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17934 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17935 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17936 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17937 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17938 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17939 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17940 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17941 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17942 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17943 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17944 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17945 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17946 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17947 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17948 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17949 DF_SCAN_POST_ALLOC): New macros.
17950 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17951 df_free_bb_function, df_local_compute_function, df_init_function,
17952 df_dataflow_function, df_confluence_function_0,
17953 df_confluence_function_n, df_transfer_function,
17954 df_finalizer_function, df_free_function, df_dump_problem_function,
17955 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17956 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17957 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17958 df_urec_bb_info, ) New types.
17959 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17961 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17962 df_analyze_simple_change_some_blocks,
17963 df_analyze_simple_change_one_block, df_compact_blocks,
17964 df_bb_replace, df_bb_regno_last_use_find,
17965 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17966 df_insn_regno_def_p, df_find_def, df_find_use,
17967 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17968 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17969 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17970 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17971 debug_df_chain, df_get_dependent_problem, df_chain_create,
17972 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17973 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17974 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17975 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17976 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17977 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17978 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17979 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17980 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17981 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17982 df_reorganize_refs, df_set_state, df_hard_reg_init,
17983 df_read_modify_subreg_p) New public functions.
17984 * df-core.c: The core dataflow solver and glue routines for rtl
17986 (df_init, df_add_problem, df_set_blocks, df_finish,
17987 df_hybrid_search_forward, df_hybrid_search_backward,
17988 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17989 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17990 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17991 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17992 df_reg_defined, df_find_use, df_reg_used, df_dump,
17993 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17994 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17995 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17996 debug_df_useno, reset_df_after_reload): New functions.
17997 * df-scan.c: The scanning fuctions, once in df.c, completely
17998 rewritten so that they now fully model the functionality of
17999 register usage at the backend.
18000 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18001 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18002 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18003 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18004 df_get_artificial_defs, df_get_artificial_uses,
18005 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18006 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18007 df_refs_delete, df_reorganize_refs, df_set_state,
18008 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18009 df_def_record_1, df_defs_record, df_uses_record,
18010 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18011 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18012 df_record_exit_block_uses, df_hard_reg_init): New functions.
18014 * df-problems.c: Seven concrete dataflow problems that use the
18015 scanning in df-scan.c and are solved by the engine in df-core.c.
18016 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18017 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18018 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18019 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18020 df_ru_free_bb_info, df_ru_alloc,
18021 df_ru_bb_local_compute_process_def,
18022 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18023 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18024 df_ru_transfer_function, df_ru_free, df_ru_dump,
18025 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18026 df_rd_free_bb_info, df_rd_alloc,
18027 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18028 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18029 df_rd_transfer_function, df_rd_free, df_rd_dump,
18030 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18031 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18032 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18033 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18034 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18035 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18036 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18037 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18038 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18039 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18040 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18041 df_urec_mark_reg_use_for_earlyclobber,
18042 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18043 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18044 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18045 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18046 df_chain_create_bb_process_use, df_chain_create_bb,
18047 df_chain_finalize, df_chain_free, df_chains_dump,
18048 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18049 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18050 df_reg_lifetime): New functions.
18051 * df.c: Deleted file.
18052 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18053 consistent with new df api.
18054 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18055 rest_of_handle_sms): Ditto.
18056 * web.c (unionfind_union, union_defs, entry_register, web_main):
18058 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18059 invariant_expr_equal_p, find_defs, check_dependencies,
18060 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18061 free_inv_motion_data, move_loop_invariants): Ditto.
18062 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18063 Update dependencies.
18064 (odf.c): Added defective entry that was deleted later in day.
18065 * sched-deps.c (sched_analyze_1): Ditto.
18067 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18069 * tree-ssa-operands.c (get_expr_operands): Record addressable
18070 variables directly. Do not call add_stmt_operands for CONST_DECLs
18072 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18073 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18075 2006-01-11 Ben Elliston <bje@au.ibm.com>
18077 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18078 function returns true in the positive case.
18080 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18083 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18084 for SI, DI, SF and DF modes. Add alternatives to copy between
18085 general and floating point registers to the 32-bit patterns.
18086 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18087 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18088 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18089 generating 64-bit code.
18090 * config/pa/pa.c (output_move_double): Handle copies between general
18091 and floating registers.
18093 2006-01-10 Stuart Hastings <stuart@apple.com>
18095 * config/i386/i386.md (set_got): Update.
18096 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18097 (builtin_setjmp_receiver): Mach-O support.
18098 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18099 (GOT_SYMBOL_NAME): Define.
18100 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18101 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18102 * config/i386/i386.c (override_options): Revise for Darwin.
18103 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18104 support. (darwin_x86_file_end): New. (output_set_got): Add label
18105 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18106 * config/i386/i386-protos.h (output_set_got): Likewise.
18107 * config/darwin.c (machopic_legitimize_pic_address): Update
18110 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18112 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18113 when MODE isn't BLKmode.
18115 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18117 PR rtl-optimization/25367
18118 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18120 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18123 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18124 for a negative bound.
18126 2006-01-10 Richard Guenther <rguenther@suse.de>
18128 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18129 Never override with anything constraint.
18131 2006-01-10 Jan Beulich <jbeulich@novell.com>
18133 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18134 256 bits when optimize_size.
18136 2006-01-10 Jan Beulich <jbeulich@novell.com>
18138 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18140 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18141 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18144 2006-01-10 Ben Elliston <bje@au.ibm.com>
18146 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18148 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18149 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18150 (USE_FP_FOR_ARG): Reject decimal float modes.
18151 (function_arg_advance): Likewise.
18152 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18153 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18154 point types in AltiVec vectors.
18155 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18156 (rs6000_libcall_value): Likewise.
18158 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18160 * config/xtensa/ieee754-df.S: New file.
18161 * config/xtensa/ieee754-sf.S: New file.
18162 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18163 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18164 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18166 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18168 * config/sh/predicates.md (binary_float_operator,
18169 binary_logical_operator, commutative_float_operator,
18170 equality_comparison_operator, greater_comparison_operator,
18171 less_comparison_operator, logical_operator,
18172 noncommutative_float_operator, shift_operator,
18173 symbol_ref_operand, unary_float_operator): Remove redundant
18176 2006-01-09 Jeff Law <law@redhat.com>
18178 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18179 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18180 now unused arguments. Callers updated.
18181 (eliminate_redundant_computations): Remove now unused arguments,
18183 (local_fold): Remove, no longer used.
18184 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18186 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18187 (simplify_cond): New function.
18188 (forward_propagate_into_cond): Call simplify_cond.
18190 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18192 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18193 (*vec_extractv2di_1_sse): New.
18195 2006-01-09 Ben Elliston <bje@au.ibm.com>
18197 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18199 2006-01-08 Richard Guenther <rguenther@suse.de>
18201 * tree-ssa-structalias.c (get_constraint_for): Remove
18202 anyoffset argument.
18203 (get_constraint_for_component_ref): Likewise.
18204 (do_deref): Likewise.
18205 (get_constraint_for): Likewise.
18206 (do_structure_copy): Likewise.
18207 (handle_ptr_arith): Likewise.
18208 (find_func_aliases): Likewise. Remove unused need_anyoffset
18211 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18212 Kaz Kojima <kkojima@gcc.gnu.org>
18214 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18215 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18216 (EXTRA_CONSTRAINT_C16): Remove.
18217 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18218 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18219 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18220 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18221 constants of SHmedia. Handle nested constant expressions of
18223 (andcosts): Fix the costs for SHmedia constants.
18224 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18225 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18226 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18227 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18228 (movv4hi_i, movv2si_i): Likewise.
18229 (movsi_const): Adjust the second operand of ior so to match with
18230 the Csu constraint.
18231 (movdi_const, movdi_const_32bit): Likewise.
18232 (movdi_const_16bit+1): Don't sign-extend LOW.
18233 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18235 (*double_shori): Fix the split condition. Use GEN_INT instead
18236 of get_int_mode calls. Mask lower 16-bit of the argument of
18238 (sym2GOTPLT): Remove.
18239 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18241 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18242 instead of EXTRA_CONSTRAINT_C16.
18244 2006-01-07 Ian Lance Taylor <ian@airs.com>
18245 David Edelsohn <edelsohn@gnu.org>
18247 PR rtl-optimization/25662
18248 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18249 for constant operands instead of simplify_gen_binary.
18250 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18251 after trying simplify_binary_operation
18253 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18255 * tree.c (iterative_hash_expr): Hash decls based on UID.
18257 2006-01-06 Eric Christopher <echristo@apple.com>
18259 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18260 (TARGET_UNWIND_EMIT): Fix spelling.
18261 * target.h (gcc_target): Add except_table_label.
18262 * except.c (output_function_exception_table): Use.
18263 * varasm.c (default_emit_except_table_label): New.
18264 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18266 (asm_out): Add here.
18267 * output.h (default_emit_except_table_label): Prototype.
18268 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18269 * config/darwin.c (darwin_emit_except_table_label): Define.
18270 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18272 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18274 PR tree-optimization/18527
18275 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18276 number_of_iterations_special, number_of_iterations_exit):
18277 Move base and step of an iv to a single structure. Add
18278 no_overflow flag, and use it in # of iterations analysis.
18279 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18280 folded_casts argument.
18281 (simple_iv): Pass base and step in a structure. Set no_overflow
18283 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18284 Evaluate expensiveness of computing # of iterations instead of
18285 the final expression.
18286 * tree-scalar-evolution.h (affine_iv): New structure.
18287 (simple_iv): Declaration changed.
18288 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18289 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18290 find_givs_in_stmt): Changed due to simple_iv change.
18292 2006-01-06 Jeff Law <law@redhat.com>
18295 * tree-cfg.c (bsi_replace): Rename final argument from
18296 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18297 change (stmt -> orig_stmt).
18298 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18299 (bsi_remove): Add new argument. Remove EH information
18301 (verify_eh_throw_table_statements): New function.
18302 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18304 * tree-optimize.c (execute_free_cfg_annotations): Verify
18305 the EH throw statement table after removing annotations.
18306 * except.h (verify_eh_throw_table_statements): Prototype.
18307 * tree-flow.h (bsi_remove): Update prototype.
18308 * tree-vrp.c (remove_range_assertions): Add new argument to
18310 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18311 * tree-complex.c (expand_complex_div_wide): Likewise.
18312 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18313 * tree-tailcall.c (eliminate_tailcall): Likewise.
18314 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18315 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18316 * tree-nrv.c (tree_nrv): Likewise.
18317 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18318 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18319 (combine_blocks): Likewise.
18320 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18321 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18322 (cleanup_control_flow): Likewise.
18323 (remove_forwarder_block): Likewise.
18324 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18325 * tree-sra.c (sra_replace): Likewise.
18326 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18327 (forward_propagate_single_use_vars): Likewise.
18328 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18329 * tree-inline.c (expand_call_inline): Likewise.
18330 * tree-vect-transform.c (vect_transform_loop): Likewise.
18331 * tree-outof-ssa.c (rewrite_trees): Likewise.
18332 * tree-cfg.c (make_goto_expr_edges): Likewise.
18333 (cleanup_dead_labels): Likewise.
18334 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18335 (bsi_move_before, bsi_move_after): Likewise.
18336 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18337 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18339 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18342 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18344 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18345 on non gimple variables. Also add checks at the top for decls and
18347 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18349 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18350 and IMAGPART_EXPR for creating MUST_DEFs.
18351 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18352 and NAME_MEMORY_TAG separately from the DECLs.
18354 2006-01-06 Richard Guenther <rguenther@suse.de>
18356 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18357 annotation, if necessary.
18358 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18359 redundant calls to update_stmt.
18360 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18363 2006-01-05 Richard Henderson <rth@redhat.com>
18365 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18367 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18369 * c-typeck.c: Update copyright date.
18371 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18373 * c-typeck.c (build_c_cast): Always warn when casting
18374 from a pointer to an integer of different size, even if
18375 the node was constant.
18377 2006-01-05 Richard Guenther <rguenther@suse.de>
18379 PR tree-optimization/22555
18380 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18381 if one structure field is an array.
18382 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18383 operands even if we found a subvar, but ignore VOPs in this
18385 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18387 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18389 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18391 PR middle-end/24998
18392 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18394 2006-01-05 Richard Guenther <rguenther@suse.de>
18395 Diego Novillo <dnovillo@redhat.com>
18397 * tree-pass.h (TODO_remove_unused_locals): Define.
18398 * gimple-low.c (expand_var_p, remove_useless_vars,
18399 pass_remove_useless_vars): Remove. Update all users.
18400 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18401 (remove_unused_locals): New function.
18402 * tree-flow.h (remove_unused_locals): Declare.
18403 * passes.c (execute_todo): Call remove_unused_locals if
18404 TODO_remove_unused_locals is set.
18405 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18406 * tree-ssa-dce.c (pass_dce): Likewise.
18407 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18409 2006-01-05 Richard Guenther <rguenther@suse.de>
18411 * tree-flow.h (struct fieldoff): Decompose field to
18412 type, size and decl.
18413 * tree-ssa-alias.c (create_sft): Take type as parameter.
18414 (create_overlap_variables_for): Store type, size and decl
18415 in the fieldoff structure.
18416 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18417 of struct fieldoff.
18418 (push_fields_onto_fieldstack): Likewise.
18419 (create_variable_info_for): Likewise. Use offset for the
18420 SFT name if the decl is not available.
18422 2006-01-04 Paul Brook <paul@codesourcery.com>
18424 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18426 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18428 * lambda-code.c (can_put_in_inner_loop): Relax
18430 (can_put_after_inner_loop): New function.
18431 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18432 (perfect_nestify): Change to make copies and modify uses.
18434 2006-01-04 Richard Henderson <rth@redhat.com>
18436 Merge from gomp branch:
18437 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18438 via integer constant.
18439 (pragma_lex): Remove.
18440 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18441 rather than parsing it.
18442 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18443 handle_pragma_extern_prefix): Add %< %> quotes.
18444 (registered_pragmas): New.
18445 (c_register_pragma_1): New.
18446 (c_register_pragma): Use it.
18447 (c_register_pragma_with_expansion): Likewise.
18448 (c_invoke_pragma_handler): New.
18449 (init_pragma): Use cpp_register_deferred_pragma directly for
18451 * c-pragma.h (enum pragma_kind): New.
18452 (pragma_handler): New.
18453 (c_invoke_pragma_handler): Declare.
18454 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18456 * c-common.h (c_common_pch_pragma): Update decl.
18457 * Makefile.in (c-parser.o): Update dependencies.
18458 (GTFILES): Add c-pragma.h.
18459 * c-parser.c (struct c_token): Add pragma_kind.
18460 (struct c_parser): Add in_pragma.
18461 (c_lex_one_token): Always initialize keyword and pragma_kind.
18462 Extract data for CPP_PRAGMA.
18463 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18464 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18465 Don't allow CPP_PRAGMA_EOL if in_pragma.
18466 (c_parser_consume_pragma): New.
18467 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18468 (c_parser_skip_to_end_of_parameter): Likewise.
18469 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18470 (c_parser_skip_to_pragma_eol): New.
18471 (c_parser_external_declaration): Handle CPP_PRAGMA.
18472 (c_parser_compound_statement_nostart): Likewise.
18473 (c_parser_statement_after_labels): Likewise.
18474 (c_parser_pragma): New.
18475 (pragma_lex): Likewise.
18476 (c_parser_pragma_pch_preprocess): New.
18477 (c_parser_new): Merge into ...
18478 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18480 2006-01-04 Jeff Law <law@redhat.com>
18483 * tree-cfg.c (bsi_replace): Remove the original statement
18484 from the EH throw statement table.
18486 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18488 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18489 make the prototype extern "C" and add throw ().
18492 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18493 and pos non-negative and pos + len <= 32.
18494 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18495 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18496 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18499 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18500 as well as sizes not multiple of component size.
18503 * function.c (instantiate_expr): New function.
18504 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18505 walk its DECL_VALUE_EXPR with instantiate_expr.
18507 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18508 DW_OP_deref{,_size} if address isn't going to be added.
18510 2006-01-04 Ben Elliston <bje@au.ibm.com>
18512 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18513 * config/fp-bit.c: Likewise.
18515 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18517 * dominance.c: Add comment about why we use DFS numbering
18520 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18521 Richard Henderson <rth@redhat.com>
18523 Merge from gomp-branch:
18524 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18525 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18527 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18529 PR rtl-optimization/25578
18530 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18531 pass a parameter to simplify_shift_const if changing ASHIFTRT
18534 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18536 * builtins.c (get_builtin_sync_mem): New function.
18537 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18538 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18539 Call get_builtin_sync_mem to generate mem rtx.
18541 2006-01-03 Richard Guenther <rguenther@suse.de>
18544 * stmt.c (add_case_node): Make sure to clear overflow flags
18547 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18549 Merge from gomp-branch.
18550 * config/sparc/sync.md: New file.
18551 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18552 UNSPECV_LDSTUB): New constants.
18553 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18554 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18555 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18558 2006-01-03 Roger Sayle <roger@eyesopen.com>
18560 * combine.c (reg_subword_p): New predicate to test whether the
18561 destination of a set refers to a subword/piece of a register.
18562 (try_combine): Generalize the code to merge the setting of a
18563 pseudo to a constant followed by a set of a subword of that
18564 register to a constant.
18566 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18568 * basic-block.h (control_flow_graph): Change the type of
18569 x_label_to_block_map to VEC(basic_block,gc) *.
18570 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18571 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18573 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18574 VEC(basic_block,heap) *.
18575 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18576 ssa_prop_fini): Adjust the uses of cfg_blocks.
18578 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18580 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18582 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18583 hashing trees instead of a pointer hash.
18584 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18585 compare for MEM_EXPR.
18587 PR rtl-optimization/25130
18588 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18589 when comparing MEMs for GCSE
18591 2006-01-03 Ben Elliston <bje@au.ibm.com>
18593 * targhooks.h (default_decimal_float_supported_p): Declare.
18594 * targhooks.c (default_decimal_float_supported_p): Define.
18595 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18596 `default_decimal_float_supported_p'.
18597 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18599 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18601 * combine.c (apply_distributive_law <SUBREG>): Check
18602 TRULY_NOOP_TRUNCATION.
18604 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18606 * dwarf2out.c (have_switched_text_section): Delete.
18607 (have_multiple_function_sections): New.
18608 (have_location_lists): Make 'bool'.
18609 (add_AT_loc_list): Use 'true' not '1'.
18610 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18611 (output_loc_list): Use have_multiple_function_sections.
18612 (output_ranges): Likewise.
18613 (dwarf2out_begin_function): Set have_multiple_function_sections if
18615 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18616 Check function_section rather than DECL_SECTION_NAME.
18617 (dwarf2out_finish): Use have_multiple_function_sections.
18618 Don't clear have_location_lists.
18620 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18621 Jan Hubicka <jh@suse.cz>
18623 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18624 case of conditional jump jumping to the next instruction.
18625 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18626 cases of conditional jump jumping to the next instruction.
18628 2006-01-02 Jan Hubicka <jh@suse.cz>
18630 * i386.c (*_cost): Add COSTS_N_INSNS.
18631 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18633 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18636 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18638 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18640 * config/arm/arm.c (all_fpus): Fix comment typo.
18641 * config/darwin.c: Likewise.
18642 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18643 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18644 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18646 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18648 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18649 (rs6000_split_compare_and_swapqhi): New.
18650 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18651 (sync_compare_and_swapqhi_internal): New.
18652 * config/rs6000/rs6000-protos.h: Declare.