1 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3 * expmed.c (emit_store_flag_1): New function.
4 (emit_store_flag): Call it. If we can't find a suitable scc insn,
6 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
7 Use do_compare_rtx_and_jump.
8 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
9 * arm.md (cstoresi4): New define_expand.
10 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
11 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
12 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
14 2006-11-14 Caroline Tice <ctice@apple.com>
16 * dwarf2out.c (debug_pubtypes_section): New static global variable.
17 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
19 (pubname_table): Redefine as a vector.
20 (pubtype_table): New static global variable, defined as a vector.
21 (pubname_table_allocated): Remove static global variable.
22 (pubname_table_in_use): Remove static global variable.
23 (PUBNAME_TABLE_INCREMENT): Remove constant.
24 (size_of_pubnames): Add parameter to deal with either pubnames or
25 pubtypes, and change code to deal with table being a vector.
26 (add_pubname): Change to deal with table being a vector.
27 (add_pubtype): New function.
28 (output_pubnames): Add parameter to deal with either pubnames or
29 pubtypes, and change code to deal with table being a vector.
30 (gen_array_type_die): Add call to add_pubtype.
31 (gen_enumeration_type_die): Add call to add_pubtype.
32 (gen_struct_or_union_type_die): Add call to add_pubtype.
33 (gen_subroutine_type_die): Add call to add_pubtype.
34 (gen_typedef_die): Add call to add_pubtype.
35 (dwarf2out_init): Add code to initialize pubname_table and
36 pubtype_table vectors; also initialize debug_pubtypes_section.
37 (prune_unused_types): Change to deal with pubnames being a vector.
38 (dwarf2out_finish): Change to deal with pubnames being a vector; add
39 pubnames table to call to output_pubnames; Add code to output pubtypes
40 table if DEBUG_PUBTYPES_SECTION is defined.
41 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
43 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
45 2006-11-14 Joseph Myers <joseph@codesourcery.com>
47 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
48 iwmmxt_nregs if TARGET_IWMMXT_ABI.
49 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
50 movv2si_internal): Support moves between core registers.
52 2006-11-14 Eric Christopher <echristo@apple.com>
54 * configure: Regenerate with autoconf 2.59.
56 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
58 Fix PR tree-optimization/27755
60 * tree-ssa-pre.c: Update comments.
61 (bb_bitmap_sets): Add pa_in and deferred member.
62 (BB_DEFERRED): New macro.
63 (maximal_set): New variable.
64 (pre_stats): Add pa_insert member.
65 (bitmap_set_and): Short circuit orig == dest.
66 (bitmap_set_subtract_values): New function.
67 (bitmap_set_contains_expr): Ditto.
68 (translate_vuses_through_block): Add phiblock argument.
69 (dependent_clean): New function.
70 (compute_antic_aux): Update for maximal_set changes.
71 (compute_partial_antic_aux): New function.
72 (compute_antic): Handle partial anticipation.
73 (do_partial_partial_insertion): New function.
74 (insert_aux): Handle partial anticipation.
75 (add_to_sets): Add to maximal set.
76 (compute_avail): Ditto.
77 (init_pre): Initialize maximal_set.
78 (execute_pre): Do partial anticipation if -O3+.
80 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
82 PR rtl-optimization/29798
84 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
85 TARGET_INSN before any other check.
86 (fwprop_init): Always calculate dominators.
87 (fwprop_done): Always free them.
89 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
91 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
94 2006-11-13 DJ Delorie <dj@redhat.com>
96 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
97 temporary for intermediates.
99 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
101 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
102 (sh_optimize_target_register_callee_saved): #if 0 the code
103 using NOTE_INSN_LOOP_{BEG,END}.
105 2006-11-13 Roger Sayle <roger@eyesopen.com>
107 * fold-const.c (optimize_bit_field_compare): Recursively call
108 fold when simplifying non-constant comparisons between bit-fields.
110 2006-11-13 Jakub Jelinek <jakub@redhat.com>
112 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
114 * configure: Rebuilt.
116 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
118 * config/rs6000/cell.md: New file.
119 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
121 (ppccell_cost): New cost matrix.
122 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
123 (rs6000_override_options): Set rs6000_always_hint to false
124 for cell. Also align functions/lables/loops to 8byte
125 for the Cell. Use PROCESSOR_CELL.
126 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
128 (rs6000_variable_issue): If the insn is a nonpipelined instruction
129 on the Cell, return 0.
130 (rs6000_adjust_cost): Add Cell cost adjustments.
131 (is_microcoded_insn): Return true for Cell microcoded
133 (is_nonpipeline_insn): New function.
134 (rs6000_issue_rate): Add PROCESSOR_CELL.
135 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
137 (rs6000_use_sched_lookahead_guard): New function.
138 (rs6000_sched_reorder): Reorder the ready list, if the second
139 to last ready insn is a nonepipeline insn on the Cell.
140 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
141 (ASM_CPU_SPEC): Add Cell.
142 * config/rs6000/rs6000.md (cpu): Add Cell.
143 (cell_micro): New Attr.
146 2006-11-13 Jakub Jelinek <jakub@redhat.com>
148 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
150 * configure: Rebuilt.
152 2006-11-13 Richard Guenther <rguenther@suse.de>
154 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
156 (ix86_expand_lfloorceil): Likewise.
157 (ix86_expand_rint): Likewise.
158 (ix86_expand_floorceildf_32): Likewise.
159 (ix86_expand_floorceil): Likewise.
160 (ix86_expand_rounddf_32): Likewise.
161 (ix86_expand_truncdf_32): Likewise.
162 (ix86_expand_round): Likewise.
164 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
165 Mark Mitchell <mark@codesourcery.com>
167 * gcc.c: Organize search path variables into $prefix relative,
168 and well-known native. Add comments.
169 (add_sysrooted_prefix): Add comment.
170 (process_command): If !gcc_exec_prefix add $prefix based paths.
171 If *cross_compile == '0', add native well-known paths.
172 Assert tooldir_base_prefix is always relative.
173 (main): If print_search_dirs, and if gcc_exec_prefix is set,
174 use this value for 'install:' path.
175 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
177 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
179 * config/i386/i386.c: Fix a typo in comment.
181 2006-11-13 Michael Matz <matz@suse.de>
183 * genemit.c (gen_expand): Allocate enough memory.
185 2006-11-13 Joseph Myers <joseph@codesourcery.com>
187 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
188 __GXX_TYPEINFO_EQUALITY_INLINE but not
189 __GXX_MERGED_TYPEINFO_NAMES.
190 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
191 __GXX_MERGED_TYPEINFO_NAMES.
192 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
193 __GXX_TYPEINFO_EQUALITY_INLINE.
195 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
196 Zdenek Dvorak <dvorakz@suse.cz>
198 PR tree-optimization/29680
199 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
202 2006-11-12 Jason Merrill <jason@redhat.com>
203 Andrew Pinski <pinskia@physics.uc.edu>
206 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
208 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
210 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
211 * tree.c (build_vector): Handle non-_CST elements.
213 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
215 * genemit.c (gen_insn): Call gen_exp with a non-null used
216 when handling multiple insns.
217 (gen_expand): Likewise.
218 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
219 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
220 (movsi_const_16bit+1): Copy operands[1].
221 (call_pcrel): Copy the call_site pattern.
222 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
224 2006-11-12 Roger Sayle <roger@eyesopen.com>
226 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
227 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
228 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
229 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
231 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
233 Fix PR tree-optimization/29587
234 * tree-ssa-structalias.c (process_constraint): Don't
235 mark address taken due only to escaped vars constraint.
237 2006-11-12 Michael Matz <matz@suse.de>
238 Roger Sayle <roger@eyesopen.com>
240 PR rtl-optimization/29797
241 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
242 BITS_BIG_ENDIAN targets.
244 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
246 * builtins.c (fold_builtin_cosh): New.
247 (fold_builtin_1): Use it.
248 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
249 trunc to the list of "odd" functions. Also add llrint, lrint,
250 rint and nearbyint when flag_rounding_math is false.
252 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
254 * tree-flow.h (name_mappings_registered_p): Declare.
255 * tree-into-ssa.c (name_mappings_registered_p): New function.
256 * tree-cfg.c (tree_can_merge_blocks_p): Check
257 name_mappings_registered_p instead of need_ssa_update_p.
259 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
261 * tree-ssa-loop.c (tree_vectorize): Return the result of
263 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
265 * tree-vectorizer.h (vectorize_loops): Declaration removed.
266 * tree-flow.h (vectorize_loops): Declaration changed.
268 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
270 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
272 (issue_prefetch_ref): Move assignment to write_p out of loop.
273 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
274 SIMULTANEOUS_PREFETCHES into account.
275 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
276 * lambda-code.c (lcm): Renamed to ...
277 (least_common_multiple): ... and exported.
278 * tree-flow.h (least_common_multiple): Declare.
280 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
282 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
283 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
284 ud-chains. Handle AND_EXPR.
285 (record_estimate): Record whether the estimate is realistic
286 and whether it is derived from a loop exit.
287 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
288 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
290 (compute_estimated_nb_iterations): Take only realistic bounds into
291 account. Set estimate_state. Use double_ints.
292 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
293 and infer_loop_bounds_from_signedness. Do not consider basic blocks
294 that do not have to be always executed.
295 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
296 to determine whether to call infer_loop_bounds_from_undefined
297 and compute_estimated_nb_iterations.
298 (n_of_executions_at_most): Use double_ints.
299 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
300 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
301 * double-int.c (double_int_to_tree): Improve comment.
302 (double_int_fits_to_tree_p): New function.
303 * double-int.h (double_int_fits_to_tree_p): Declare.
304 * tree-data-ref.c: Include langhooks.h.
305 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
306 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
307 (analyze_array): Do not pass estimate_only argument to
308 analyze_array_indexes.
309 (get_number_of_iters_for_loop): Build tree from the stored double_int
311 (get_references_in_stmt, find_data_references_in_stmt): New functions.
312 (find_data_references_in_loop): Use find_data_references_in_stmt.
313 * tree-data-ref.h (struct data_ref_loc_d): New.
314 (get_references_in_stmt): Declare.
315 (estimate_iters_using_array): Declaration removed.
316 * cfgloop.h (struct nb_iter_bound): Change type of bound to
317 double_int. Improve comments. Add is_exit and realistic
319 (struct loop): Changed type of estimated_nb_iterations to double_int.
320 Added estimate_state field.
321 (record_estimate): Declaration removed.
323 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
325 * params.c (set_param_value): Initialize the "set" field.
326 * params.h (struct param_info): Add "set" field.
327 (PARAM_SET_P): New macro.
328 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
329 L1_CACHE_LINE_SIZE): New macros.
330 * toplev.c (DEFPARAM): Initialize the "set" field.
331 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
332 SIMULTANEOUS_PREFETCHES): Removed.
333 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
334 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
335 * config/sparc/sparc.c: Include params.h.
336 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
337 L1_CACHE_LINE_SIZE parameters.
338 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
340 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
342 * config/i386/i386.c: Include params.h.
343 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
344 (override_options): Set SIMULTANEOUS_PREFETCHES and
345 L1_CACHE_LINE_SIZE parameters.
346 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
347 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
348 L1_CACHE_LINE_SIZE parameters.
349 * config/ia64/ia64.c (ia64_optimization_options): Set
350 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
351 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
353 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
354 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
355 * doc/invoke.texi: Document new params.
357 2006-11-12 Roger Sayle <roger@eyesopen.com>
359 PR tree-optimization/13827
360 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
363 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
365 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
366 update_single_exit_for_duplicated_loops): New functions.
367 (duplicate_loop_to_header_edge): Use
368 update_single_exit_for_duplicated_loops.
369 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
370 functions only with ENABLE_CHECKING.
372 2006-11-12 Andreas Schwab <schwab@suse.de>
374 * except.c (sjlj_emit_function_enter): Remove unused variable.
376 2006-11-11 Roger Sayle <roger@eyesopen.com>
378 * fold-const.c (int_binop_types_match_p): New function.
379 (size_binop): Relax constraint that both arguments must both have
380 exactly the same sizetype type. Instead use int_binop_types_match_p.
381 (size_diffop): Likewise.
383 (make_range): Use build_int_cst instead of fold_convert.
384 (fold_cond_expr_with_comparison): Use build_int_cst to construct
385 integer constants of the correct type.
386 (fold_div_compare): Likewise.
387 (fold_single_bit_test): Likewise.
388 (fold_binary): Likewise.
389 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
390 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
392 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
395 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
396 non null value if the struct memory access is in the 0th
399 2006-11-12 Jie Zhang <jie.zhang@analog.com>
402 2006-11-11 Jie Zhang <jie.zhang@analog.com>
403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
406 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
407 instead of builtin_define for bfin and BFIN.
409 2006-11-11 Jie Zhang <jie.zhang@analog.com>
411 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
414 2006-11-11 Jan Hubicka <jh@suse.cz>
416 * extended.texi (__builtin_expect): We no longer require second argument
418 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
419 * builtins.c (expand_builtin_expect): Simplify.
420 (expand_builtin_expect_jump): Kill.
421 * final.c (final_scan_insn): Do not skip the removed notes.
422 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
423 EXPECTED_VALUE): Remove.
424 * dojump.c (do_jump): Do not care about __builtin_expect.
425 * predict.c (expected_value_to_br_prob): Kill.
426 * function.c (expand_function_end): Do not expand
427 NOTE_INSN_REPEATED_LINE_NUMBER.
428 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
429 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
430 * cfgexpand.c (add_reg_br_prob_note): Export.
431 * cfgcleanup.c (rest_of_handle_jump2): Do not call
432 expected_value_to_br_prob.
433 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
434 * rtl.h (add_reg_br_prob_note): Declare.
436 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
438 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
440 2006-11-11 Jan Hubicka <jh@suse.cz>
442 * predict.c (predict_loops): Kill RTL variant.
444 2006-11-11 Jan Hubicka <jh@suse.cz>
446 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
447 * modulo-sched.c (find_line_note): Remove.
448 (loop_canon_p): Do not worry about line number notes.
449 (sms_schedule): Likewise.
450 * cse.c (cse_main): Likewise.
451 * regmove.c (fixup_match_1): Likewise
452 * function.c (emit_return_info_block): Likewise.
453 (expand_function_end): Likewise.
454 (thread_prologue_an_epilogue_insns): Likewise.
455 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
457 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
458 emit_note_copy_after): Kill.
459 (emit_note_copy): Do not worry about line numbers.
460 * jump.c (purge_line_number_notes): Kill.
461 (pass_purge_lineno_notes): Kill.
462 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
464 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
465 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
466 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
467 * tree-pass.h (pass_purge_lineno_notes): Kill.
468 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
469 rm_redundant_line_notes.
470 * sched-rgb.c (schedule_region): Don't rm_line_notes,
471 rm_redundant_line_notes.
472 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
473 * haifa-sched.c: Update comment about handling notes.
474 (unlink_line_notes): Kill.
475 (rm_line_notes): Kill.
476 (save_line_notes): Simplify.
477 (rm_redundant_line_notes): Kill.
479 2006-11-11 Richard Guenther <rguenther@suse.de>
481 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
482 Remove unused tree codes.
483 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
484 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
485 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
486 * tree.c (stabilize_reference): Likewise.
487 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
488 fold_unary): Likewise.
489 * tree-gimple.c (is_gimple_cast): Likewise.
490 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
491 * expr.c (expand_expr_real_1): Likewise.
492 * tree-eh.c (tree_could_trap_p): Likewise.
493 * gimplify.c (gimplify_expr): Likewise.
494 * tree-inline.c (estimate_num_insns_1): Likewise.
495 * tree-cfg.c (verify_expr): Likewise.
497 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
499 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
500 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
501 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
503 2006-11-11 Richard Sandiford <richard@codesourcery.com>
506 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
507 constraints accept neither registers or memories.
509 2006-11-11 Jie Zhang <jie.zhang@analog.com>
511 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
512 (NO_PROFILE_COUNTERS): Define as 1.
514 2006-11-10 Roger Sayle <roger@eyesopen.com>
516 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
517 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
519 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
521 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
523 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
525 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
526 (fold_builtin_hypot): Likewise.
527 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
529 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
531 2006-11-10 Roger Sayle <roger@eyesopen.com>
533 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
534 when attempting to build INTEGER_CSTs of non-integral types.
535 * expmed.c (make_tree): Use the correct type, i.e. the inner
536 type, when constructing the individual elements of a CONST_VECTOR.
538 2006-11-10 Jan Hubicka <jh@suse.cz>
540 * cse.c (cse_process_notes): Copy the propagated value.
541 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
543 * gcse.c (try_replace_reg): Copy the replacement.
544 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
545 (assign_386_stack_local): Always return copied memory expression
546 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
549 2006-11-10 Jan Hubicka <jh@suse.cz>
551 * final.c (final): Walk from first instruction.
552 * cfglayout.c (insn_locators_initialize): Remove line number notes.
554 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
557 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
559 (umulv8hi3_highpart): Ditto.
560 (vec_widen_smult_hi_v8hi): New expander.
561 (vec_widen_smult_lo_v8hi): Ditto.
563 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
566 * builtins.c (do_mpfr_arg3): New.
567 (fold_builtin_1): Handle builtins fma, fmin and fmax.
569 2006-11-09 Eric Christopher <echristo@apple.com>
574 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
575 * config.gcc (powerpc64-*-darwin*): New target.
576 * config.host: Ditto.
577 * config/rs6000/darwin64.h: New file.
578 * config/rs6000/x-darwin64: Ditto.
579 * config/rs6000/host-ppc64-darwin.c: Ditto.
581 2006-11-09 Steve Ellcey <sje@cup.hp.com>
583 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
584 routines for integer division.
586 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
588 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
590 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
593 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
595 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
597 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
598 simplify_subreg with BLKmode outer mode.
600 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
602 * doc/invoke.texi: Minor formatting fixes in option lists.
604 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
606 PR tree-optimization/29738
607 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
608 (ccp_lattice_t): Remove UNKNOWN_VAL.
609 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
610 Do not handle UNKNOWN_VAL.
611 (get_default_value): Set initial value of virtual operands to
613 (get_value): Always use get_default_value on uninitialized
615 (set_value_varying, surely_varying_stmt_p): New functions.
616 (set_lattice_value): Do not pass argument to get_value.
617 Do not handle UNKNOWN_VAL.
618 (likely_value): Follow the semantics described in the comment.
619 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
620 phi nodes DONT_SIMULATE_AGAIN.
621 (ccp_fold): Do not pass argument to get_value.
622 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
625 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
627 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
628 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
630 2006-11-08 Roger Sayle <roger@eyesopen.com>
632 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
633 test for inclusion rather than as a test for exclusion.
634 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
635 the condition after calling fold_binary.
636 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
637 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
638 * builtins.c (fold_builtin_isascii): Likewise.
639 (fold_builtin_isdigit): Likewise.
641 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
643 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
644 * configure: Regenerate.
646 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
648 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
649 enum argument instead of bool.
650 (vect_analyze_operations): Call vectorizable_type_promotion.
651 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
652 stmt_vec_info_type value.
653 (supportable_widening_operation, vectorizable_type_promotion): New
654 function declarations.
655 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
656 (vectorizable_type_promotion): New function.
657 (vect_transform_stmt): Call vectorizable_type_promotion.
658 * tree-vect-analyze.c (supportable_widening_operation): New function.
659 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
661 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
664 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
665 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
666 * tree-inline.c (estimate_num_insns_1): Add cases for above new
668 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
669 * expr.c (expand_expr_real_1): Likewise.
670 * optabs.c (optab_for_tree_code): Likewise.
671 (init_optabs): Initialize new optabs.
672 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
673 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
674 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
675 vec_unpacku_lo_optab): Initialize new optabs.
676 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
677 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
678 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
680 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
681 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
682 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
683 (vec_unpacku_lo_optab): New optabs.
684 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
685 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
686 (vec_widen_smult_hi, vec_widen_smult_lo): New.
687 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
688 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
689 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
691 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
692 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
693 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
694 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
695 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
696 implement the unsigned unpacking patterns.
697 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
698 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
699 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
700 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
701 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
702 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
703 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
704 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
705 multiplication patterns.
707 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
708 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
709 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
710 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
711 (rs6000_builtin_mul_widen_odd): New.
712 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
713 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
714 * tree-vectorizer.h (enum vect_relevant): New enum type.
715 (_stmt_vec_info): Field relevant chaned from bool to enum
717 (STMT_VINFO_RELEVANT_P): Updated.
718 (STMT_VINFO_RELEVANT): New.
719 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
720 instead of STMT_VINFO_RELEVANT_P.
721 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
722 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
723 and boolean variable with enum vect_relevant.
724 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
725 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
726 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
728 2006-11-08 Richard Henderson <rth@redhat.com>
730 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
731 vec_widen_umult_lo_v8hi): New.
732 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
733 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
735 * config/i386/i386.c (ix86_expand_sse_unpack): New.
736 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
737 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
738 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
739 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
740 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
741 vec_unpacks_lo_v4si): New.
743 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
745 * tree-vect-transform.c (vectorizable_type_demotion): New function.
746 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
747 (vect_analyze_operations): Call vectorizable_type_demotion.
748 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
749 stmt_vec_info_type value.
750 (vectorizable_type_demotion): New function declaration.
751 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
754 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
755 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
757 * tree-iniline.c (estimate_num_insns_1): Likewise.
758 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
759 * optabs.c (optab_for_tree_code): Likewise.
761 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
762 compared against the predicate of the result is not 'mode' (the input
763 to the function) but a mode with half the size of 'mode'.
764 (init_optab): Initialize new optabs.
765 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
767 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
769 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
770 (vec_pack_usat_optab): Initialize new optabs.
771 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
772 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
774 2006-11-08 Richard Henderson <rth@redehat.com>
776 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
777 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
778 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
779 (vec_interleave_highv4si, vec_interleave_lowv4si):
780 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
782 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
784 * tree-vect-transform.c (vectorizable_reduction): Support multiple
786 (vect_transform_stmt): Removed redundant code.
788 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
790 * tree-vect-transform.c (vectorizable_operation): Support multiple
793 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
795 * tree-vect-transform.c (vect_align_data_ref): Removed.
796 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
797 Updated function documentation. Return the increment stmt in ptr_incr.
798 (bump_vector_ptr): New function.
799 (vect_get_vec_def_for_stmt_copy): New function.
800 (vect_finish_stmt_generation): Create a stmt_info to newly created
802 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
804 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
805 VF is greater than the number of elements that can fit in one vector
807 (vectorizable_operation, vectorizable_condition): Likewise.
808 (vectorizable_store, vectorizable_load): Support the case that the VF
809 is greater than the number of elements that can fit in one vector word.
810 (vect_transform_loop): Don't fail in case of multiple data-types.
811 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
812 in case of multiple data-types; the smallest type determines the VF.
813 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
814 if they are of different sizes.
815 (vect_update_misalignment_for_peel): Compare misalignments in terms of
816 number of elements rather than number of bytes.
817 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
818 (vect_can_advance_ivs_p): Fix a dump printout
820 2006-11-07 Eric Christopher <echristo@apple.com>
822 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
824 * libgcc2.h: Remove transformation of bswap routines.
825 * config/i386/i386.md (bswapsi2): New.
828 2006-11-07 Jakub Jelinek <jakub@redhat.com>
830 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
831 (handle_gnu_inline_attribute): New function.
832 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
833 (merge_decls, start_decl, start_function): Likewise.
834 * doc/extend.texi: Document gnu_inline attribute.
836 2006-11-07 Steve Ellcey <sje@cup.hp.com>
839 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
840 _fixunstfdi, and _floatditf
842 2006-11-06 Anatoly Sokolov <aesok@post.ru>
844 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
846 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
847 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
848 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
849 which start in an odd register.
851 2006-11-07 Richard Sandiford <richard@codesourcery.com>
853 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
855 2006-11-07 Josh Conner <jconner@apple.com>
857 * doc/invoke.texi (fstrict-aliasing): Move implementation
859 * doc/tree-ssa.texi (Alias analysis): ...here.
861 2006-11-07 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/29610
864 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
865 of tree_purge_dead_eh_edges as it may free dominators.
867 * g++.dg/other/pr29610.C: New testcase.
869 2006-11-07 David Ung <davidu@mips.com>
871 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
872 costs when optimizing for size.
873 (override_options): Use mips_rtx_cost_optimize_size table for cost
876 2006-11-07 Jie Zhang <jie.zhang@analog.com>
878 * gcc.c (process_command): Treat -b as normal switch if its argument
881 2006-11-07 David Ung <davidu@mips.com>
883 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
886 2006-11-06 Eric Christopher <echristo@apple.com>
888 * config.gcc: Add x86_64-darwin host support.
889 * config.host: Ditto.
890 * config/i386/darwin64.h: New file.
891 * config/i386/t-darwin64: Ditto.
893 2006-11-06 Janis Johnson <janis187@us.ibm.com>
895 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
896 and output-exists-not.
898 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
901 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
902 checking for overflow.
904 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
906 * configure.ac: Fixed typo in case statement: :: changed to ;;
908 2006-11-06 Bob Wilson <bob.wilson@acm.org>
910 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
911 count_leading_zeros, and count_trailing_zeros.
912 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
913 (TARGET_FOLD_BUILTIN): Define.
914 (TARGET_EXPAND_BUILTIN): Define.
915 (xtensa_init_builtins): New.
916 (xtensa_fold_builtin): New.
917 (xtensa_expand_builtin): New.
918 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
919 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
920 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
921 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
922 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
923 (any_extend): New code macro.
924 (u, su): New code attributes.
925 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
926 (nsau): Remove; replaced by clzsi2.
927 (ffssi2): Use clzsi2.
928 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
929 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
930 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
931 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
932 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
934 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
936 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
938 * config/arm/t-strongarm-elf: Likewise.
939 * config/arm/t-pe: Likewise.
940 * config/arm/t-arm-elf: Likewise.
941 * config/arm/t-xscale-elf: Likewise.
942 * config/arm/t-arm-coff: Likewise.
943 * config/arm/t-xscale-coff: Likewise.
944 * config/arm/t-wince-pe: Likewise.
946 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
948 * config/sh/lib1funcs-4-300.asm: Guard entire file with
951 2006-11-05 Jakub Jelinek <jakub@redhat.com>
954 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
957 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
960 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
961 as a valid 80387 constant.
962 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
963 * config/i386/i386.md (unnamed splitter): Split the load of
964 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
967 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
969 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
970 from the soft-frame, argument and virtual registers.
972 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
974 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
975 patterns for standard 80387 constants.
977 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
978 Steven Bosscher <steven@gcc.gnu.org>
980 * fwprop.c: New file.
981 * Makefile.in: Add fwprop.o.
982 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
983 * passes.c (init_optimization_passes): Schedule forward propagation.
984 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
986 * timevar.def (TV_FWPROP): New.
987 * common.opt (-fforward-propagate): New.
988 * opts.c (decode_options): Enable forward propagation at -O2.
989 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
990 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
991 canon_for_address, table_size): Remove.
992 (new_basic_block, insert, remove_from_table): Remove references to
994 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
995 simplification loop more straightforward by not calling fold_rtx
997 (equiv_constant): Move here a small part of fold_rtx_subreg,
998 do not call fold_rtx. Call avoid_constant_pool_reference
1000 * recog.h (canonicalize_change_group): New.
1002 * doc/invoke.texi (Optimization Options): Document fwprop.
1003 * doc/passes.texi (RTL passes): Document fwprop.
1005 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1007 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1008 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1009 (grokdeclarator): Likewise.
1011 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1013 * tree-dump.c (dump_enable_all): Rename local variable
1014 ir_type to avoid name conflicts.
1015 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1016 instead of using ir_type().
1017 * profile.c (tree_register_profile_hooks): Likewise.
1018 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1019 * basic-block.h (struct edge_def): Likewise.
1020 * config/arm/arm.c (legitimize_pic_address): Likewise.
1021 * coretypes.h (ir_type): New enum of all intermediate languages
1023 * cfghooks.c (ir_type): Rename to...
1024 (current_ir_type): ...this. Distinguish between cfgrtl and
1025 cfglayout mode when the current IR is RTL. Return enum ir_type.
1026 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1028 2006-11-03 Paul Brook <paul@codesourcery.com>
1030 * config/arm/arm.c (arm_file_start): New function.
1031 (TARGET_ASM_FILE_START): Define.
1032 (arm_default_cpu): New variable.
1033 (arm_override_options): Set arm_default_cpu.
1035 2006-11-03 David Ung <davidu@mips.com>
1037 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1038 PROCESSOR_24KC and PROCESSOR_24KF.
1039 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1040 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1041 (mips_rtx_cost_data): Add costs for the 24kc.
1042 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1043 * config/mips/24k.md: Remove references to 24k and replace with
1044 uses of 24kc/24kf in the appropriate reservations.
1045 * doc/invoke.texi (MIPS Options): Updated.
1047 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1049 * config/sh/crt1.asm: Fix #ifdef indent.
1051 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1052 Merged from STMicroelectronics sources:
1053 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1054 * config/sh/crt1.asm (vbr_600): Add missing #if.
1055 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1056 * sh.opt (mfused-madd): New option.
1057 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1058 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1059 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1060 Remove pointless handler at VBR+0.
1061 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1062 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1063 fr7. Make sure the timer handler is called with the correct FPU
1064 precision setting, according to the ABI.
1065 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1066 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1067 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1068 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1069 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1070 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1071 zero as second operand.
1072 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1073 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1074 Fixed some bugs related to negative values, in particular -0
1075 and overflow at -0x80000000.
1076 * config/sh/divcost-analysis: Added sh4-300 figures.
1077 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1078 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1079 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1080 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1081 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1082 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1084 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1086 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1087 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1088 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1089 mac_mem, mem_mac, dfp_mul, fp_cmp.
1090 (insn_class, dfp_comp, any_fp_comp): Update.
1091 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1092 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1093 (muldf3_i): Likewise.
1094 (movsi_i): Split rI08 alternative into two separate alternatives.
1096 (movsi_ie, movsi_i_lowpart): Likewise.
1097 (movqi_i): Split ri alternative into two separate alternatives.
1099 * sh1.md (sh1_load_store, sh1_fp): Update.
1100 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1101 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1102 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1103 (sh4a_fp_double_arith): Likewise.
1104 * sh4-300.md: New file.
1105 * sh.c (sh_handle_option): Handle m4-300* options.
1106 (sh_adjust_cost): Fix latency of auto-increments.
1107 Handle SH4-300 differently than other SH4s. Check for new insn types.
1108 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1109 been set by an option.
1110 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1111 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1112 (mbranch-cost=): Likewise.
1113 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1115 * sh.md (mulsf3): Remove special expansion code.
1116 (mulsf3_ie): Now a define_insn_and_split.
1117 (macsf3): Allow for TARGET_SH4.
1119 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1120 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1121 (expand_cbranchdi4): Likewise.
1122 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1123 CONST_DOUBLE if the outer code is COMPARE.
1124 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1125 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1126 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1127 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1128 Remove redundant fp_{zero,one}_operand checks.
1129 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1130 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1131 (expand_cbranchdi4): Likewise.
1132 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1133 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1135 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1137 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1140 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1142 * doc/invoke.texi: Fix mfp-trap-mode typo.
1144 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1146 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1147 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1148 file_end_indicate_exec_stack.
1149 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1151 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1152 for a non-executable stack.
1153 * crti.asm: Likewise.
1154 * crtn.asm: Likewise.
1155 * libunwind.S: Likewise.
1157 2006-11-02 Ben Elliston <bje@au.ibm.com>
1159 * tree-ssa.c (warn_uninit): Use expand_location variables for
1160 locus and declaration locus.
1162 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1165 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1166 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1167 cmp{eq,gt,gtu}{si,di}_media.
1168 (*cmpne0si_media): Remove.
1169 (*movsicc_umin): Adjust gen_cmp*_media call.
1170 (unordered): Change the mode of unordered and operands[1] to
1172 (seq): Adjust gen_cmp*_media calls. Make the mode of
1173 a temporary result of compare SImode if needed. If the mode
1174 of operands[0] is DImode, extend the temporary result to DImode.
1175 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1176 (sunorderd): Change the mode of match_operand and unorderd to
1178 (cmpeq{sf,df}_media): Remove.
1179 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1180 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1181 and compare operation to SImode.
1183 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1185 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1187 (sparc64-sun-solaris2*): Likewise.
1189 2006-11-02 Paul Brook <paul@codesourcery.com>
1191 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1192 from priority argument. Use different section for non-default
1194 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1196 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1199 * except.c (switch_to_exception_section): Do not cache the section
1200 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1201 and flag_function_sections is set.
1203 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1206 * builtins.c (do_mpfr_sincos): New.
1207 (fold_builtin_1): Use it to fold builtin sincos.
1209 2006-11-01 Roger Sayle <roger@eyesopen.com>
1211 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1212 it into -D_REENTRANT.
1214 2006-11-01 Roger Sayle <roger@eyesopen.com>
1216 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1217 whether the assembler supports taking the difference of symbols in
1218 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1219 * configure: Regenerate.
1220 * config.in: Regenerate.
1221 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1222 the assembler doesn't support taking the difference of symbols in
1223 different sections, i.e. we're using the native solaris assembler.
1225 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1226 Peter Bergner <bergner@vnet.ibm.com>
1228 * doc/invoke.texi: Add cpu_type power6x
1229 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1230 * config.gcc: Add cpu_type power6x.
1231 * configure.ac: Add test for mf{t,f}gpr instructions.
1232 (HAVE_AS_MFPGPR): New.
1233 * config.in: Regenerate.
1234 * configure: Regenerate.
1235 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1236 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1237 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1238 and mftgpr attributes.
1239 (define_attr "cpu"): Add power6.
1240 Change instruction sequences to use new attributes.
1241 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1242 (fix_truncdfsi2_mfpgpr): New.
1243 (floatsidf_ppc64_mfpgpr): New.
1244 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1245 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1246 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1247 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1248 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1249 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1250 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1251 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1252 cntlz,exts and var_delayed_compare.
1253 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1254 _ARCH_PWR6X, if features enabled.
1255 * config/rs6000/rs6000.opt (mmfpgpr): New.
1256 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1257 (cached_can_issue_more): New variable.
1258 (processor_costs): Add power6_cost.
1259 (rs6000_sched_init): New function.
1260 (is_dispatch_slot_restricted): Deleted.
1261 (set_to_load_agen): New function.
1262 (is_load_insn,is_store_insn): New functions.
1263 (adjacent_mem_locations): New function.
1264 (insn_must_be_first_in_group): New function.
1265 (insn_must_be_last_in_group): New function.
1266 (rs6000_sched_reorder): New function.
1267 (rs6000_sched_reorder2): New function.
1268 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1269 TARGET_SCHED_REORDER2): Define.
1270 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1271 Add power6x. Add MASK_MFPGPR for power6x.
1272 (POWERPC_MASKS): Add MASK_MFPGPR.
1273 (rs6000_override_options): Set rs6000_always_hint to false
1274 for power6. Set rs6000_align_branch_targets. Replace
1275 rs6000_sched_groups check with rs6000_align_branch_targets.
1276 Use PROCESSOR_POWER6.
1277 (last_scheduled_insn): New variable.
1278 (load_store_pendulum): New variable.
1279 (rs6000_variable_issue): Set last_scheduled_insn and
1280 cached_can_issue_more.
1281 (rs6000_adjust_cost): Add power6 cost adjustments.
1282 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1283 with insn_must_be_first_in_group. Add power6 priority adjustments.
1284 (rs6000_issue_rate): Add CPU_POWER6.
1285 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1286 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1287 (TARGET_MFPGPR): New.
1288 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1289 (ASM_CPU_SPEC): Add power6x.
1290 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1292 * config/rs6000/power6.md: New file.
1294 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1296 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1297 HOST_WIDE_INT_PRINT to print high and low parts. Use
1298 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1299 printing a hexadecimal number prefix it with 0x.
1301 2006-11-01 Chris Johns <chris@contemporary.net.au>
1304 * Makefile.in (install-driver): Use exeext when installing
1305 $target-gcc-$version.
1307 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1309 * c-common.c (flag_cpp0x): New.
1310 * c-common.h (flag_cpp0x): New.
1311 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1312 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1313 * c-opts.c (set_std_cxx0x): New.
1314 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1315 * c.opt (std=c++0x): Document.
1316 (std=gnu++0x): Ditto.
1317 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1318 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1320 2006-11-01 Richard Guenther <rguenther@suse.de>
1322 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1324 (ix86_expand_floorceildf_32): Likewise.
1325 (ix86_expand_floorceil): Likewise.
1326 (ix86_expand_trunc): Likewise.
1328 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1330 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1333 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1335 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1337 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1339 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1341 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1342 * configure.ac (use_cxa_atexit): As a special case, don't test
1343 for libc definition of __cxa_atexit on mingw32
1344 * configure: Regenerate.
1345 * config.gcc (i[34567]86-pc-mingw32): Default to
1346 enable__cxa_atexit=yes.
1348 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1352 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1355 * c-decl.c (start_struct): Don't create self-containing
1357 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1359 * config/rs6000/rs6000-protos.h
1360 (darwin_rs6000_special_round_type_align): New.
1361 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1362 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1364 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1366 * toplev.c (compile_file): Call final_write_globals
1367 even if there have been errors.
1369 2006-10-31 Eric Christopher <echristo@apple.com>
1370 Falk Hueffner <falk@debian.org>
1372 * doc/extend.texi (__builtin_bswap32): Document.
1373 (__builtin_bswap64): Ditto.
1374 * doc/libgcc.texi (bswapsi2): Document.
1376 * doc/rtl.texi (bswap): Document.
1377 * optabs.c (expand_unop): Don't widen a bswap.
1378 (init_optabs): Init bswap. Set libfuncs explicitly
1379 for bswapsi2 and bswapdi2.
1380 * optabs.h (OTI_bswap): New.
1381 (bswap_optab): Ditto.
1382 * genopinit.c (optabs): Handle bswap_optab.
1383 * tree.h (tree_index): Add TI_UINT32_TYPE and
1385 (uint32_type_node): New.
1386 (uint64_type_node): Ditto.
1387 * tree.c (build_common_tree_nodes_2): Initialize
1388 uint32_type_node and uint64_type_node.
1389 * builtins.c (expand_builtin_bswap): New.
1390 (expand_builtin): Call.
1391 (fold_builtin_bswap): New.
1392 (fold_builtin_1): Call.
1393 * fold-const.c (tree_expr_nonnegative_p): Return true
1395 * builtin-types.def (BT_UINT32): New.
1397 (BT_FN_UINT32_UINT32): Ditto.
1398 (BT_FN_UINT64_UINT64): Ditto.
1399 * builtins.def (BUILT_IN_BSWAP32): New.
1400 (BUILT_IN_BSWAP64): Ditto.
1401 * rtl.def (BSWAP): New.
1402 * genattrtab.c (check_attr_value): New.
1403 * libgcc2.c (__bswapSI2): New.
1404 (__bswapDI2): Ditto.
1405 * libgcc2.h (__bswapSI2): Declare.
1406 (__bswapDI2): Ditto.
1407 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1408 * simplify-rtx.c (simplify_const_unary_operation): Return
1410 * libgcc-std.ver (__bwapsi2): Add.
1411 (__bswapdi2): Ditto.
1412 * reload1.c (eliminate_regs_1): Add bswap.
1413 (elimination_effects): Ditto.
1414 * config/i386/i386.h (x86_bswap): New.
1415 (TARGET_BSWAP): Use.
1416 * config/i386/i386.c (x86_bswap): Set.
1418 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1420 * coverage.c (coverage_checksum_string): Update comment.
1421 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1422 of get_file_function_name.
1423 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1424 of get_file_function_name_long.
1425 * tree.c (get_file_function_name): Rename from
1426 get_file_function_name_long; improve comment; handle 'I' and 'D'
1427 specially when the target has ctor/dtor support; remove special
1429 (get_file_function_name): Remove.
1430 * tree.h (get_file_function_name): Rename from
1431 get_file_function_name_long.
1432 (get_file_function_name): Remove prototype.
1434 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1436 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1437 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1439 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1440 Call dsymutil when compiling and linking one or more source files
1443 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1446 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1448 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1450 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1451 inline static functions in c99 mode.
1454 * doc/extend.texi (Inline): Update.
1455 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1456 * c-decl.c (current_extern_inline): Delete.
1457 (pop_scope): Adjust test for an undefined nested function.
1458 Add warning about undeclared inline function.
1459 (diagnose_mismatched_decls): Update comments. Disallow overriding
1460 of inline functions in a translation unit in C99. Allow inline
1461 declarations in C99 at any time.
1462 (merge_decls): Boolize variables. Handle C99 'extern inline'
1464 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1465 C99 inline semantics.
1466 (start_function): Don't clear current_extern_inline. Don't set
1468 (c_push_function_context): Don't push current_extern_inline.
1469 (c_pop_function_context): Don't restore current_extern_inline.
1472 * c-typeck.c (build_external_ref): Warn about static variables
1473 used in extern inline functions.
1474 * c-decl.c (start_decl): Warn about static variables declared
1475 in extern inline functions.
1477 2006-10-31 Roger Sayle <roger@eyesopen.com>
1480 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1481 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1482 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1483 or y is an even integer.
1485 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1488 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1489 * gthr-posix95.h (__gthread_active_p): Likewise.
1491 2006-10-31 Richard Guenther <rguenther@suse.de>
1493 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1494 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1495 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1496 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1497 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1498 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1499 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1500 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1503 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1505 * opts.c (decode_options): Disable CSE skip blocks.
1507 2006-10-30 Dirk Mueller <dmueller@suse.de>
1509 * c-common.h (strict_aliasing_warning): Fix whitespace.
1510 * c-decl (start_function): Move code for main decl warning ..
1511 * c-common.c (check_main_parameter_types): .. here.
1512 * c-common.h (check_main_parameter_types): Declare.
1514 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1517 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1519 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1521 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1522 be a PARALLEL containing sets. Return false when out_pat is not
1525 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1527 * config/mips/mips.md (mul<mode>3): Split into...
1528 (mulsi3, muldi3): ...these separate patterns.
1530 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1532 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1533 but with each set of options separated by spaces.
1535 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1537 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1538 dwarf_reg_size_table has been initialized.
1540 2006-10-30 Roger Sayle <roger@eyesopen.com>
1542 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1543 * ddg.c (print_ddg_edge): Likewise.
1544 * dwarf2out.c (prune_unused_types_walk): Likewise.
1545 * ifcvt.c (noce_try_cmove_arith): Likewise.
1546 * langhooks.c (add_builtin_function): Likewise.
1547 * reg-stack.c (subst_stack_regs_pat): Likewise.
1548 * tree.c (expanded_location): Likewise.
1549 * tree-dump.c (dequeue_and_dump): Likewise.
1551 2006-10-30 David Daney <ddaney@avtrex.com>
1553 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1555 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1557 PR tree-optimization/29637
1558 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1559 of the innertype is the innertype itself.
1561 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1563 * dwarf2out.c (file_name_acquire): Correct typo.
1565 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1567 * tree.h (tree_value_handle): Remove struct value_set declaration.
1568 Change value_set to bitmap_set.
1569 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1570 * tree-vn.c (get_value_handle): Made inline and moved to
1572 * tree-flow-inline.h: (has_stmt_ann): New function.
1573 * tree-ssa-pre.c (expressions): New variable.
1574 (next_expression_id): Ditto.
1575 (alloc_expression_id): New function.
1576 (struct value_set): Remove.
1577 (get_expression_id): New function.
1578 (get_or_alloc_expression_id): Ditto.
1579 (expression_for_id): Ditto.
1580 (clear_expression_ids): Ditto.
1581 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1582 (bb_value_sets): Renamed to bb_bitmap_sets.
1583 All value sets replaced with bitmap_sets.
1585 (BB_VISITED): New macro.
1586 (postorder): New variable.
1587 (add_to_value): Removed.
1588 (value_exists_in_set_bitmap): Ditto.
1589 (value_insert_into_set_bitmap): Ditto.
1592 (set_remove): Ditto.
1593 (set_contains_value): Ditto.
1594 (insert_into_set): Ditto.
1596 (find_leader): Ditto.
1597 (bitmap_set_subtract_from_value_set): Ditto.
1598 (value_insert_into_set): Ditto.
1599 (print_value_set): Ditto.
1600 (debug_value_set): Ditto.
1601 (constant_expr_p): New function.
1602 (bitmap_remove_from_set): Ditto.
1603 (bitmap_insert_into_set): Ditto.
1604 (bitmap_set_free): Ditto.
1605 (vh_compare): Ditto.
1606 (sorted_array_from_bitmap_set): Ditto.
1607 (bitmap_set_subtract): Ditto.
1608 (bitmap_set_equal): Ditto.
1609 (debug_bitmap_set): Ditto.
1610 (find_leader_in_sets): Ditto.
1611 (bitmap_set_replace_value): Modify for bitmapped sets.
1612 (phi_translate): Ditto.
1613 (phi_translate_set): Ditto.
1614 (bitmap_find_leader): Ditto.
1615 (valid_in_sets): Ditto.
1616 (union_contains_value): Ditto.
1618 (compute_antic_aux): Ditto. Mark changed blocks.
1619 (compute_antic): Ditto. Iterate in postorder and only over
1621 (compute_rvuse_and_antic_safe): Reuse postorder.
1622 (create_component_ref_by_pieces): Modify for bitmapped sets.
1623 (find_or_generate_expression): Ditto.
1624 (create_expression_by_pieces): Ditto.
1625 (insert_into_preds_of_block): Ditto.
1626 (changed_blocks): New variable.
1627 (do_regular_insertion): Broken out from insert_aux.
1628 (insert_aux): Modified for bitmapped sets.
1629 (find_existing_value_expr): New function.
1630 (create_value_expr_from): Use it.
1631 (insert_extra_phis): Removed.
1632 (print_bitmap_set): Renamed from bitmap_print_value_set.
1633 (compute_avail): Handle RETURN_EXPR.
1634 (init_pre): Modify for bitmapped sets.
1635 * tree-flow.h (has_stmt_ann): New function.
1637 2006-10-29 Roger Sayle <roger@eyesopen.com>
1639 * builtins.c (fold_builtin_floor): Check for the availability of
1640 the C99 trunc function before transforming floor into trunc.
1642 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1644 * builtins.c (fold_builtin_hypot): Rearrange recursive
1645 transformation before others, and also do ABS_EXPR. When
1646 necessary, check flag_unsafe_math_optimizations. When necessary,
1649 2006-10-29 Roger Sayle <roger@eyesopen.com>
1651 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1652 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1653 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1654 Fold -X eq/ne -Y as X eq/ne Y.
1656 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1658 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1659 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1660 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1661 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1662 Use an inclusive test for "mult" rather than "mul".
1663 (rotr<mode>3): Depend on ISA_HAS_ROR.
1664 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1666 (GENERATE_MULT3_DI): Delete.
1667 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1668 (ISA_HAS_MUL3): New macro.
1669 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1670 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1671 (ISA_HAS_CLZ_CLO): Likewise.
1672 (ISA_HAS_DCLZ_DCLO): Delete.
1673 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1674 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1675 the VR4120 and VR4130.
1676 (ISA_HAS_MACCHI): Use consistent formatting.
1677 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1678 (ISA_HAS_ROR): ...this new macro.
1679 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1680 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1681 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1683 2006-10-29 Roger Sayle <roger@eyesopen.com>
1685 PR tree-optimization/15458
1686 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1689 2006-10-29 Richard Guenther <rguenther@suse.de>
1691 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1692 (ix86_expand_truncdf_32): Likewise.
1693 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1694 trunc inline for SSE math and -fno-trapping-math and if not
1695 optimizing for size.
1696 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1697 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1698 for expanding btrunc inline for SSE math.
1700 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1702 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1703 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1704 i[34567]86-*-solaris2.1[0-9]*.
1705 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1706 Define conditionally depending on TARGET_64BIT_DEFAULT.
1707 (SPEC_32, SPEC_64): Define.
1708 (LINK_SPEC): Use them.
1709 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1711 2006-10-29 Richard Guenther <rguenther@suse.de>
1713 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1714 (ix86_expand_rounddf_32): Likewise.
1715 * config/i386/i386.c (ix86_expand_round): New function expanding
1716 round inline for SSE math and -fno-trapping-math and if not
1717 optimizing for size.
1718 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1719 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1720 round via ix86_expand_round.
1722 2006-10-29 Richard Guenther <rguenther@suse.de>
1724 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1725 (ix86_expand_floorceildf_32): Likewise.
1726 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1727 static helper function.
1728 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1730 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1731 * config/i386/i386.md (floordf2): Adjust to enable floor
1732 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1733 -fno-trapping-math is enabled and if not optimizing for size.
1734 (floorsf2, ceildf2, ceilsf2): Likewise.
1735 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1736 (sse2_maskcmpdf3): Likewise.
1738 2006-10-29 Richard Guenther <rguenther@suse.de>
1740 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1741 rint in case -fno-trapping-math is enabled.
1742 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1743 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1744 (ix86_expand_sse_fabs): Likewise.
1745 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1746 * config/i386/i386.md (rintdf2): Enable for SSE math if
1747 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1748 (rintsf2): Likewise.
1750 2006-10-29 Richard Guenther <rguenther@suse.de>
1752 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1753 to conversion optabs.
1754 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1755 as conversion optab.
1756 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1757 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1758 (lfloor_optab, lceil_optab): Adjust defines.
1759 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1760 lfloor and lceil optabs now being conversion optabs.
1761 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1762 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1763 New static helper function.
1764 (ix86_expand_lfloorceil): New function to expand lfloor and
1766 * config/i386/i386.md (lfloor<mode>2): Split into ...
1767 (lfloorxf<mode>2): ... x87 variant
1768 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1769 using ix86_expand_lfloorceil.
1770 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1772 * doc/md.texi (lfloorMN, lceilMN): Document.
1774 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1776 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1777 -mno-shared assembler option on mips targets.
1778 * configure, config.in: Regenerate.
1779 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1780 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1781 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1783 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1785 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1786 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1788 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1790 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1791 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1794 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1797 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1798 (fold_builtin_pow): Evaluate constant arguments at compile-time
1800 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1801 (do_mpfr_ckconv): New helper function.
1802 (do_mpfr_arg1): Use do_mpfr_ckconv.
1803 (do_mpfr_arg2): New.
1805 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1808 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1809 (-fdump-rtl-sched): Rename to ..
1810 (-fdump-rtl-sched1): here. Also fix file extension number.
1812 2006-10-28 Richard Guenther <rguenther@suse.de>
1814 * fold-const.c (maybe_canonicalize_comparison): Fix code
1817 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1819 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1820 (NON_QI_REG_P): Use IN_RANGE.
1821 (REX_INT_REGNO_P): Use IN_RANGE.
1822 (FP_REGNO_P): Use IN_RANGE.
1823 (SSE_REGNO_P): Use IN_RANGE.
1824 (REX_SSE_REGNO_P): Use IN_RANGE.
1825 (MMX_REGNO_P): Use IN_RANGE.
1826 (STACK_REGNO_P): New macro.
1827 (STACK_REG_P): Use STACK_REGNO_P.
1828 (NON_STACK_REG_P): Use STACK_REGNO_P.
1829 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1830 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1831 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1832 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1833 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1835 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1837 * except.h (output_function_exception_table): Add 'const char*' param.
1838 * except.c (switch_to_exception_section): Add 'const char*' param.
1839 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1840 and flag_function_sections is set, use a function-specific section.
1841 (output_function_exception_table): Add 'const char*' param.
1842 Adjust call to switch_to_exception_section.
1843 * final.c (rest_of_handle_final): Adjust calls to
1844 output_function_exception_table.
1845 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1846 * config.in: Regenerate.
1847 * configure: Likewise.
1849 2006-10-28 Richard Guenther <rguenther@suse.de>
1852 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1853 for maybe_canonicalize_comparison.
1854 (maybe_canonicalize_comparison): New function for canonicalizing
1856 (fold_comparison): Call it to canonicalize comparisons with
1859 2006-10-28 Richard Guenther <rguenther@suse.de>
1862 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1863 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1864 (expand_builtin): Adjust likewise.
1865 * genopinit.c (optabs[]): Add lround optab.
1866 * optabs.c (init_optabs): Initialize lround_optab.
1867 * optabs.h (enum convert_optab_index): Add COI_lround.
1868 (lround_optab): Define.
1869 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1870 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1872 (ix86_expand_lround): New function.
1873 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1875 * doc/md.texi (lroundMN2): Document.
1877 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1880 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1881 argument to HOST_WIDE_INT. Update function prototype.
1882 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1883 "size" argument to HOST_WIDE_INT. Update function prototype.
1885 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1887 * config/i386/i386.c (output_387_ffreep): Create output from a
1888 template string for !HAVE_AS_IX86_FFREEP.
1890 2006-10-27 Eric Christopher <echristo@apple.com>
1892 * config/darwin.c: Fix formatting and grammar.
1894 2006-10-27 Jan Hubicka <jh@suse.cz>
1896 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1897 to be thrown away soon when IGNORE is set.
1898 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1899 indicating when return value shall not be computed.
1900 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1902 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1904 * config/i386/i386.h (TARGET_GEODE):
1905 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1906 (TARGET_CPU_DEFAULT_geode): New macro.
1907 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1908 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1909 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1910 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1911 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1913 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1914 (processor_type): Add PROCESSOR_GEODE.
1916 * config/i386/i386.md: Include geode.md.
1919 * config/i386/i386.c (geode_cost): New initialized global
1921 (m_GEODE, m_K6_GEODE): New macros.
1922 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1923 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1924 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1925 x86_schedule): Use m_K6_GEODE instead of m_K6.
1926 (x86_movx, x86_cmove): Set up m_GEODE.
1927 (x86_integer_DFmode_moves): Clear m_GEODE.
1928 (processor_target_table): Add entry for geode.
1929 (processor_alias_table): Ditto.
1931 * config/i386/geode.md: New file.
1933 * doc/invoke.texi: Add entry about geode processor.
1935 2006-10-27 Mike Stump <mrs@apple.com>
1937 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1938 __DYNAMIC__ from here back to ...
1939 * config/darwin.h (CPP_SPEC): ... here.
1941 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1942 Nathan Sidwell <nathan@codesourcery.com>
1944 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1945 when choosing the minimum heapsize.
1947 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1949 * gcc/unwind-dw2.h: Move cfa-related variables into
1950 struct frame_state_reg_info to ensure that the CFA is properly
1951 handled when executing DW_CFA_{remember,restore}_state.
1952 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1953 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1954 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1955 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1956 gcc/config/rs6000/linux-unwind.h,
1957 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1958 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1959 Modify to use new cfa_* fields.
1961 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1963 * config/s390/s390.c (s390_init_frame_layout): Check positive
1966 2006-10-26 Ben Elliston <bje@au.ibm.com>
1968 * gimplify.c (get_name): Remove extraneous break.
1969 (gimplify_omp_for): Initialise ret with GS_OK.
1971 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1973 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1974 Add unix98.o to link line.
1976 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1980 Calculate compile-time constants using MPFR.
1981 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1982 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1984 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1986 * config/xtensa/lib2funcs.S: Use C-style comments.
1988 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1990 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1991 (file_table_relative_p): Likewise.
1992 (dwarf2out_finish): Likewise.
1993 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1995 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1997 * tree-ssa-structalias.c (intra_create_variable_infos):
1998 Don't recreate nonlocal_all if it already exists.
2000 2006-10-25 Richard Guenther <rguenther@suse.de>
2003 * optabs.h (enum optab_index): Remove OTI_lrint.
2004 (enum convert_optab_index): Add COI_lrint.
2005 (lrint_optab): Adjust.
2006 (expand_sfix_optab): Declare.
2007 * optabs.c (expand_sfix_optab): New function.
2008 (init_optabs): Init lrint_optab as conversion optab.
2009 * genopinit.c (lrint_optab): Change to a conversion optab.
2010 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2011 expansion via conversion optab.
2012 * config/i386/i386.md (*fistdi2_1): Remove
2013 flag_unsafe_math_optimizations guard.
2014 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2015 fist<mode>2_with_temp): Likewise.
2016 (lrint<mode>2): Split into...
2017 (lrintxf<mode>2): ... x87 part
2018 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2019 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2020 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2021 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2022 * doc/md.texi (lrintMN2): Document.
2024 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2027 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2028 Use inc and dec instructions for TARGET_USE_INCDEC.
2029 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2030 ("sync_double_compare_and_swap<mode>"): Likewise.
2031 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2032 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2033 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2034 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2035 ("sync_old_add<mode>"): Likewise.
2036 ("sync_lock_test_and_set<mode>"): Likewise.
2037 ("sync_lock_test_and_set<mode>"): Likewise.
2038 ("sync_add<mode>"): Likewise.
2039 ("sync_sub<mode>"): Likewise.
2040 ("sync_ior<mode>"): Likewise.
2041 ("sync_and<mode>"): Likewise.
2042 ("sync_xor<mode>"): Likewise.
2044 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2046 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2047 (remainder_optab): Define corresponding macro.
2048 (drem_optab): Remove.
2049 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2050 drem_optab initialization.
2051 * genopinit.c (optabs): Implement remainder_optab using
2052 remainder?f3 patterns. Remove drem_optab.
2053 * builtins.c (expand_builtin_mathfn_2): Handle
2054 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2055 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2056 expand_builtin_mathfn_2.
2058 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2059 depend on flag_unsafe_math_optimizations.
2061 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2062 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2063 Do not depend on flag_unsafe_math_optimizations. Use
2064 truncxf?f expander instead of truncxf?f_i387_noop.
2066 ("fpremxf4", "fprem1xf4"): Do not depend on
2067 flag_unsafe_math_optimizations.
2068 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2069 flag_unsafe_math_optimizations. Use truncxf?f expander
2070 instead of truncxf?f_i387_noop.
2072 * doc/md.texi (fmod, remainder): Document standard named pattern.
2074 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2075 David Daney <ddaney@avtrex.com>
2078 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2080 2006-10-25 Ben Elliston <bje@au.ibm.com>
2082 * doc/extend.texi (Variable Attributes): Typo fix.
2084 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2086 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2087 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2088 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2089 (FRAME_POINTER_REGNUM): Update register number to 21.
2090 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2091 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2093 * config/i386/i386.c (regclass_map): Add fpcr entry.
2094 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2096 (print_reg): Assert REGNO (x) != FPCR_REG.
2098 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2099 (DIRFLAG_REG): Renumber.
2100 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2101 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2102 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2103 hardcoded SSE register numbers.
2105 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2106 hardcoded MMX register numbers.
2108 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2111 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2112 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2114 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2115 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2116 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2117 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2119 2006-10-24 Richard Guenther <rguenther@suse.de>
2122 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2123 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2124 for deciding optimizations in consistency with fold-const.c
2125 (fold_builtin_unordered_cmp): Likewise.
2127 2006-10-24 Richard Guenther <rguenther@suse.de>
2129 * builtins.c (fold_builtin_floor): Fold floor (x) where
2130 x is nonnegative to trunc (x).
2131 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2132 nonnegative to FIX_TRUNC_EXPR.
2134 2006-10-24 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/29567
2137 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2138 for TRUTH_NOT_EXPR. Clarify comments.
2140 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2143 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2144 at compile-time using MPFR. Change parameter VALUE to FUNC,
2146 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2147 for overflow and underflow at all times and avoid folding in
2150 2006-10-24 Ben Elliston <bje@au.ibm.com>
2152 * reload1.c: Formatting fixes.
2154 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2156 PR tree-optimization/14784
2157 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2158 * tree-ssa-structalias.c (get_constraint_for,
2159 intra_create_variable_infos): Set is_heapvar.
2160 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2161 non-heapvar pointer variables specially.
2163 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2166 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2167 fold_builtin_tan): Fold all constant arguments. Take a "type"
2168 argument as necessary.
2169 (do_mpfr_arg1): New.
2170 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2172 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2174 * config/xtensa/lib1funcs.asm: Use C-style comments.
2176 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2178 * tree.c (local_define_builtin): Replace calls to
2179 lang_hooks.builtin_function with add_builtin_function.
2180 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2182 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2184 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2185 common code to add_builtin_function.
2186 * langhooks.c (add_builtin_function): New function.
2187 (lhd_builtin_function): New function.
2188 * langhooks.h (struct lang_hooks): Change the signature of
2190 (add_builtin_function): New function.
2191 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2192 calls to lang_hooks.builtin_function with add_builtin_function.
2193 * c-common.c (decl_builtin_1): Replace calls to
2194 lang_hooks.builtin_function with add_builtin_function.
2195 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2196 lang_hooks.builtin_function with add_builtin_function.
2197 * config/frv/frv.c (def_builtin): Replace calls to
2198 lang_hooks.builtin_function with add_builtin_function.
2199 * config/s390/s390.c (s390_init_builtins): Replace calls to
2200 lang_hooks.builtin_function with add_builtin_function.
2201 * config/sparc/sparc.c (def_builtin): Replace calls to
2202 lang_hooks.builtin_function with add_builtin_function.
2203 * config/i386/i386.c (def_builtin): Replace calls to
2204 lang_hooks.builtin_function with add_builtin_function.
2205 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2206 lang_hooks.builtin_function with add_builtin_function.
2207 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2208 lang_hooks.builtin_function with add_builtin_function.
2209 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2210 Replace calls to lang_hooks.builtin_function with
2211 add_builtin_function.
2212 * config/iq2000/iq2000.c (def_builtin):
2213 Replace calls to lang_hooks.builtin_function with
2214 add_builtin_function.
2215 * config/ia64/ia64.c (def_builtin): Replace calls to
2216 lang_hooks.builtin_function with add_builtin_function.
2217 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2218 lang_hooks.builtin_function with add_builtin_function.
2219 (altivec_init_builtins): Replace calls to
2220 lang_hooks.builtin_function with add_builtin_function.
2221 * config/arm/arm.c (def_mbuiltin): Replace calls to
2222 lang_hooks.builtin_function with add_builtin_function.
2223 (arm_init_tls_builtins): Replace calls to
2224 lang_hooks.builtin_function with add_builtin_function.
2225 * config/mips/mips.c (mips_init_builtins): Replace calls to
2226 lang_hooks.builtin_function with add_builtin_function.
2227 * config/bfin/bfin.c (def_builtin): Replace calls to
2228 lang_hooks.builtin_function with add_builtin_function.
2229 * langhooks-def.h (lhd_builtin_function): New function.
2230 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2232 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2234 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2235 BUILT_IN_STRNCAT_CHK.
2237 2006-10-23 Jan Hubicka <jh@suse.cz>
2239 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2240 don't do conversion from memmove to memcpy here.
2241 (expand_builtin_bcopy, expand_builtin): Update call of
2242 expand_builtin_memmove.
2243 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2245 2006-10-23 Paul Brook <paul@codesourcery.com>
2247 * stor-layout.c (start_record_layout): maximum_field_alignment
2248 overrides STRUCTURE_SIZE_BOUNDARY.
2250 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2252 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2253 nonlocal function symbols if flag_pic.
2255 2006-10-23 Richard Guenther <rguenther@suse.de>
2259 * builtins.c (fold_binary): Remove checks for flag_wrapv
2260 and flag_trapv where negate_expr_p covers these cases.
2262 2006-10-23 Richard Guenther <rguenther@suse.de>
2265 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2266 of two on the absolute value.
2267 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2268 and negating -C does not overflow.
2270 2006-10-23 Richard Guenther <rguenther@suse.de>
2273 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2274 only if not flag_rounding_math.
2276 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2277 Kaz Kojima <kkojima@gcc.gnu.org>
2280 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2281 SImode memory reference for the source of a movua.
2282 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2283 (movua): Use an unspec instead of sign_extract. Expect the source
2284 to have mode BLKmode.
2285 (extv, insv): Use a BLKmode rather than SImode memory reference
2286 for the source of a movua.
2288 2006-10-22 Jeff Law <law@redhat.com>
2289 Richard Guenther <rguenther@suse.de>
2291 PR tree-optimization/15911
2292 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2293 (register_edge_assert_for_1): Likewise.
2294 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2295 (find_conditional_asserts): Adjust for new function signature.
2296 (find_assert_locations): Likewise.
2298 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2300 * config/i386/tmmintrin.h: Remove the duplicated content.
2302 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2304 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2305 (x86_64-*-*): Likewise.
2307 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2308 (override_options): Check SSSE3.
2309 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2310 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2311 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2312 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2313 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2314 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2315 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2316 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2317 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2318 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2319 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2320 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2321 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2322 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2323 IX86_BUILTIN_PABSD128.
2324 (bdesc_2arg): Add SSSE3.
2325 (bdesc_1arg): Likewise.
2326 (ix86_init_mmx_sse_builtins): Support SSSE3.
2327 (ix86_expand_builtin): Likewise.
2328 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2330 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2331 (UNSPEC_PSIGN): Likewise.
2332 (UNSPEC_PALIGNR): Likewise.
2333 Include mmx.md before sse.md.
2335 * config/i386/i386.opt: Add -mssse3.
2337 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2338 (ssse3_phaddwv4hi3): Likewise.
2339 (ssse3_phadddv4si3): Likewise.
2340 (ssse3_phadddv2si3): Likewise.
2341 (ssse3_phaddswv8hi3): Likewise.
2342 (ssse3_phaddswv4hi3): Likewise.
2343 (ssse3_phsubwv8hi3): Likewise.
2344 (ssse3_phsubwv4hi3): Likewise.
2345 (ssse3_phsubdv4si3): Likewise.
2346 (ssse3_phsubdv2si3): Likewise.
2347 (ssse3_phsubswv8hi3): Likewise.
2348 (ssse3_phsubswv4hi3): Likewise.
2349 (ssse3_pmaddubswv8hi3): Likewise.
2350 (ssse3_pmaddubswv4hi3): Likewise.
2351 (ssse3_pmulhrswv8hi3): Likewise.
2352 (ssse3_pmulhrswv4hi3): Likewise.
2353 (ssse3_pshufbv16qi3): Likewise.
2354 (ssse3_pshufbv8qi3): Likewise.
2355 (ssse3_psign<mode>3): Likewise.
2356 (ssse3_psign<mode>3): Likewise.
2357 (ssse3_palignrti): Likewise.
2358 (ssse3_palignrdi): Likewise.
2359 (abs<mode>2): Likewise.
2360 (abs<mode>2): Likewise.
2362 * config/i386/tmmintrin.h: New file.
2364 * doc/extend.texi: Document SSSE3 built-in functions.
2366 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2368 2006-10-22 Ira Rosen <irar@il.ibm.com>
2370 * tree-vect-transform.c (vectorizable_load): Use the type of the
2371 return value of the mask_for_load builtin to create realign_load
2374 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2376 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2379 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2381 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2382 (UNSPEC_LDDQU): This.
2383 * config/i386/sse.md (sse3_lddqu): Updated.
2385 2006-10-21 Richard Guenther <rguenther@suse.de>
2387 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2388 (expand_builtin): Use it to expand lrint instead of
2389 expand_builtin_mathfn.
2391 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2394 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2395 flag_unsafe_math_optimizations is set.
2397 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2400 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2401 patterns to use memory input operand in x87->mem->XMM
2402 reload sequences. Skip transformation for TARGET_K8.
2404 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2406 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2407 force operand1 to register if both operands are memory operands.
2408 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2409 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2410 if both operands are memory operands.
2411 (truncdfsf2): Do not force operand1 to register if both operands
2412 are memory operands.
2414 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2416 * Makefile.in (LIBS): Add $(GMPLIBS).
2417 * doc/install.texi: Update GMP and MPFR requirements.
2418 * doc/sourcebuild.texi (need_gmp): Delete.
2420 2006-10-21 Richard Guenther <rguenther@suse.de>
2422 PR tree-optimization/3511
2423 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2424 got new invariant arguments during PHI translation.
2426 2006-10-21 Richard Guenther <rguenther@suse.de>
2429 * fold-const.c (fold_comparison): Fold signed comparisons
2430 of the form X +- C1 CMP Y +- C2.
2432 2006-10-21 Richard Guenther <rguenther@suse.de>
2435 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2436 if flag_unsafe_math_optimizations is specified. We have
2437 flag_finite_math_only for that.
2438 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2439 or flag_unsafe_math_optimizations.
2441 2006-10-21 Richard Guenther <rguenther@suse.de>
2443 * builtins.c (fold_builtin_classify): Fix typo.
2445 2006-10-21 Richard Guenther <rguenther@suse.de>
2448 * simplify-rtx.c (simplify_const_relational_operation):
2449 Do not constant-fold ORDERED and UNORDERED for
2450 flag_unsafe_math_optimizations but only we do not need to
2451 honor NaNs for the given mode.
2453 2006-10-21 Richard Guenther <rguenther@suse.de>
2456 * config/i386/i386.c (classify_argument): Remove redundant
2457 walking of the BINFOs.
2458 (contains_128bit_aligned_vector_p): Likewise.
2460 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2462 * BASE-VER: Set to 4.3.0.
2464 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2466 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2467 (tree_decl_with_vis): Remove artificial_pta_var flag.
2468 * tree-flow.h (referenced_var_check_and_insert): Expose.
2469 (nonlocal_all): New prototype.
2470 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2471 (nonlocal_all): Make global.
2472 (nonlocal_lookup): Remove.
2473 (nonlocal_insert): Ditto.
2474 (create_nonlocal_var): Do not call nonlocal_insert.
2475 (get_nonlocal_id_for_type): Remove.
2476 (find_global_initializers): Mark new vars we find for renaming.
2477 (intra_create_variable_infos): Only create one nonlocal.
2478 (expand_nonlocal_solutions): Remove.
2479 (compute_points_to_sets): Don't call it.
2480 (ipa_pta_execute): Ditto.
2481 (init_alias_heapvars): Don't create nonlocal_for_type.
2482 (delete_alias_heapvars): Don't remove it.
2483 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2486 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2488 * doc/install.texi (Downloading GCC): Clarify mention of
2489 Fortran in the "full distribution" description.
2491 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2493 Fix PR tree-optimization/28778
2494 Fix PR tree-optimization/29156
2495 Fix PR tree-optimization/29415
2496 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2497 (tree_decl_with_vis): Add artificial_pta_var flag.
2498 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2499 pushed into callers.
2500 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2501 (nonlocal_all): Ditto.
2502 (struct variable_info): Add directly_dereferenced member.
2503 (var_escaped_vars): New variable.
2504 (escaped_vars_tree): Ditto.
2505 (escaped_vars_id): Ditto.
2506 (nonlocal_vars_id): Ditto.
2507 (new_var_info): Set directly_dereferenced.
2508 (graph_size): New variable
2509 (build_constraint_graph): Use graph_size.
2510 (solve_graph): Don't process constraints that cannot change the
2511 solution, don't try to propagate an empty solution to our
2513 (process_constraint): Set directly_dereferenced.
2514 (could_have_pointers): New function.
2515 (get_constraint_for_component_ref): Don't process STRING_CST.
2516 (nonlocal_lookup): New function.
2517 (nonlocal_insert): Ditto.
2518 (create_nonlocal_var): Ditto.
2519 (get_nonlocal_id_for_type): Ditto.
2520 (get_constraint_for): Allow results vector to be empty in the case
2521 of string constants.
2522 Handle results of calls properly.
2523 (update_alias_info): Update alias info stats on number and type of
2525 (find_func_aliases): Use could_have_pointers.
2526 (make_constraint_from_escaped): Renamed from
2527 make_constraint_to_anything, and changed to make constraints from
2529 (make_constraint_to_escaped): New function.
2530 (find_global_initializers): Ditto.
2531 (create_variable_info_for): Make constraint from escaped to any
2532 global variable, and from any global variable to the set of
2534 (intra_create_variable_infos): Deal with escaped instead of
2535 pointing to anything.
2536 (set_uids_in_ptset): Do type pruning on directly dereferenced
2538 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2539 (init_base_vars): Fix comment, and initialize escaped_vars.
2540 (need_to_solve): Removed.
2541 (find_escape_constraints): New function.
2542 (expand_nonlocal_solutions): Ditto.
2543 (compute_points_to_sets): Call find_escape_constraints and
2544 expand_nonlocal_solutions.
2545 (delete_points_to_sets): Don't fall off the end of the graph.
2546 (init_alias_heapvars): Initialize nonlocal_for_type and
2548 (delete_alias_heapvars): Free nonlocal_for_type and null out
2551 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2553 * fold-const.c (add_double): Rename to add_double_with_sign.
2554 Add 'unsigned_p' parameter and take it into account for the overflow.
2555 (mul_double): Rename to mul_double_with_sign.
2556 Add 'unsigned_p' parameter and take it into account for the overflow.
2557 (fold_div_compare): Call add_double_with_sign instead of add_double
2558 and mul_double_with_sign instead of mul_double, passing them the
2559 unsignedness of the type.
2560 * tree.h (add_double): Macroize.
2561 (add_double_with_sign): New prototype.
2562 (mul_double): Macroize.
2563 (mul_double_with_sign): New prototype.
2565 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2567 * config/score/crti.asm: New file.
2568 * config/score/crtn.asm: New file.
2569 * config/score/elf.h: New file.
2570 * config/score/mac.md: New file.
2571 * config/score/misc.md: New file.
2572 * config/score/mul-div.S: New file.
2573 * config/score/predicates.md: New file.
2574 * config/score/score7.md: New file.
2575 * config/score/score.c: New file.
2576 * config/score/score-conv.h: New file.
2577 * config/score/score.h: New file.
2578 * config/score/score.md: New file.
2579 * config/score/score-mdaux.c: New file.
2580 * config/score/score-mdaux.h: New file.
2581 * config/score/score-modes.def: New file.
2582 * config/score/score.opt: New file.
2583 * config/score/score-protos.h: New file.
2584 * config/score/score-version.h: New file.
2585 * config/score/t-score-elf: New file.
2586 * config.gcc: Add score*-*-* configurations(Update before).
2587 * doc/invoke.texi (Score Options): New section.
2588 * doc/md.texi (Score family): New section to document constraints.
2590 2006-10-19 Nick Clifton <nickc@redhat.com>
2592 * config/arm/arm.c: Fix spelling typo.
2594 2006-10-18 Tom Tromey <tromey@redhat.com>
2596 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2598 2006-10-18 Jan Hubicka <jh@suse.cz>
2601 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2604 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2606 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2607 TSI_SAME_STMT, since that's the desired entity.
2609 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2611 * config/s390/contraints.md: New file.
2612 * config/s390/s390-protos.h (s390_mem_constraint,
2613 s390_O_constraint_str, s390_N_constraint_str,
2614 s390_float_const_zero_p): Function prototypes added.
2615 * config/s390/s390.c (s390_extra_constraint_str,
2616 s390_const_double_ok_for_constraint_p,
2617 s390_const_ok_for_constraint_p): Functions removed.
2618 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2619 s390_float_const_zero_p): New functions.
2620 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2621 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2622 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2623 Macro definitions removed.
2624 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2625 s390_extra_constraint_str): Functions removed.
2627 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2628 Richard Sandiford <richard@codesourcery.com>
2631 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2632 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2634 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2636 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2637 (DWARF2_FRAME_REG_OUT): Likewise.
2638 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2639 (DWARF2_FRAME_REG_OUT): Likewise.
2641 2006-10-17 Paul Brook <paul@codesourcery.com>
2643 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2645 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2647 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2648 Standardize on "GNU Fortran" as the official name of the Fortran
2651 2006-10-16 Mike Stump <mrs@apple.com>
2653 * doc/invoke.texi (Darwin Options): Document -mkernel.
2654 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2656 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2657 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2658 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2659 (OS_MISSING_ALTIVEC): Add.
2660 * config/i386/i386.c (override_options): Add
2661 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2662 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2663 -mkernel, -static or -mdynamic-no-pic is given.
2664 (C_COMMON_OVERRIDE_OPTIONS): Add.
2665 * config/darwin.opt (fapple-kext): Add.
2667 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2668 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2670 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2671 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2672 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2673 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2674 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2675 (flag_mkernel): Add.
2676 (flag_apple_kext): Add.
2677 (TARGET_KEXTABI): Add.
2678 * config/darwin.c (darwin_handle_kext_attribute): Add.
2679 (DARWIN_VTABLE_P): Add.
2680 (darwin_binds_local_p): Add partial support for rebinding vtables
2682 (darwin_kextabi_p): Add.
2683 (darwin_override_options): Add.
2684 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2685 (darwin_kextabi_p): Add.
2686 (darwin_override_options): Add.
2687 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2688 __DYNAMIC__ and __STATIC__ here.
2690 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2692 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2693 Added mention of "make pdf" target, and Texinfo requirements for
2696 2006-10-16 DJ Delorie <dj@redhat.com>
2698 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2699 into the GOT in case we need a subreg of the address.
2701 2006-10-16 Richard Guenther <rguenther@suse.de>
2704 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2705 SSE builtin documentation. Document SSE2 builtins.
2707 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2709 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2710 symbol in the output file for non-shared links when -nostdlib or
2711 -nodefaultlibs isn't specified.
2713 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2714 posix thread support.
2716 2006-10-15 Jan Hubicka <jh@suse.cz>
2719 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2720 declared always_inline even when not inlining.
2722 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2723 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2724 Andrew Pinski <pinskia@gmail.com>
2727 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2729 2006-10-15 Jan Hubicka <jh@suse.cz>
2730 Richard Guenther <rguenther@suse.de>
2733 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2734 process_function_and_variable_attributes on all variables, including
2735 those discovered during cgraph construction phase.
2737 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2739 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2741 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2743 * config/i386/athlon.md (athlon_fist): Add fisttp.
2745 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2746 Ian Lance Taylor <ian@airs.com>
2749 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2750 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2753 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2755 * config/score/score.c, config/score/score.h: Fix comment
2758 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2761 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2764 2006-10-13 Eric Christopher <echristo@apple.com>
2766 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2768 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2771 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2772 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2773 alignment supported by 32-bit ELF.
2775 2006-10-13 Eric Christopher <echristo@apple.com>
2777 * config/darwin.c (darwin_emit_unwind_label): Strip
2778 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2780 2006-10-13 Richard Guenther <rguenther@suse.de>
2782 PR tree-optimization/29446
2783 * tree-vrp.c (fix_equivalence_set): Remove.
2784 (extract_range_from_assert): Do not call fix_equivalence_set.
2785 (debug_value_range): Print a newline.
2786 (compare_name_with_value): For equivalence sets with
2787 inconsistent value ranges conservatively bail out.
2788 (compare_names): Likewise.
2790 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2792 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2793 and MPFR for gfortran.
2795 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2797 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2798 alignment supported by 32-bit ELF.
2800 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2804 * c-typeck.c (digest_init): Always allow initializing vectors
2805 that have static storage duration with compound literals.
2806 * tree.c (build_type_attribute_qual_variant): New, based on
2807 build_type_attribute_variant.
2808 (build_type_attribute_variant): Rewrite using the former.
2809 (make_vector_type): Use build_type_attribute_qual_variant to build
2810 type variants. Use type_hash_canon on the others.
2812 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2813 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2815 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2817 2006-10-12 Jan Hubicka <jh@suse.cz>
2820 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2821 current_function_decl is set but current_function_scope is not.
2823 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2825 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2826 emit_insn to emit eh_return_internal instruction.
2827 (eh_return_internal): Explicitly set pc.
2829 2006-10-11 Richard Guenther <rguenther@suse.de>
2831 PR tree-optimization/28230
2832 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2833 to the correct place.
2835 2006-10-11 Richard Guenther <rguenther@suse.de>
2838 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2841 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2843 * configure.ac: Added pdf to "Make-hooks"
2844 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2845 targets and *.pdf file patterns in cleanup targets.
2846 * configure: Regenerated.
2848 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2850 * config/avr/predicates.md: New file.
2851 * config/avr/avr.md: Include it.
2852 (REG_SP): New constant.
2853 (peepholes): Use predicates.
2854 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2855 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2856 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2858 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2860 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2863 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2866 * builtins.c (var_decl_component_p): New function.
2867 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2868 single entry optimization to variables and components thereof.
2870 2006-10-10 Richard Guenther <rguenther@suse.de>
2872 PR rtl-optimization/29323
2873 * except.c (set_nothrow_function_flags): For functions
2874 that do not bind local bail out early.
2876 2006-10-10 Ben Elliston <bje@au.ibm.com>
2878 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2881 2006-10-09 Richard Henderson <rth@redhat.com>
2883 Revert emutls patch.
2885 2006-10-09 Richard Guenther <rguenther@suse.de>
2888 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2891 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2894 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2895 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2896 * configure: Regenerate.
2897 * config.in: Regenerate.
2899 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2901 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2903 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2905 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2906 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2907 Remove stray newline.
2909 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2911 * config/mips/mips.c (mips_classify_symbol): Do not return
2912 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2913 (mips_in_small_data_p): Tweak comments.
2915 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2917 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2919 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2921 * gimplify.c, sched-int.h: Fix comment typos.
2923 * sched-int.h: Fix comment typos.
2925 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2927 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2929 * sched-ebb.c (begin_schedule_ready): Use them.
2930 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2931 add_to_speculative_block, create_check_block_twin, speculate_insn,
2932 fix_jump_move, move_block_after_check): Ditto.
2933 * sched-rgn.c (new_ready): Ditto.
2935 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2937 PR rtl-optimization/29128
2938 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2939 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2940 allow interblock movement of speculation checks.
2942 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2945 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2946 casted to integer type.
2947 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2948 if they are significantly more expensive than [reg + index] ones.
2950 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2952 PR tree-optimization/29330
2953 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2954 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2955 on newly allocated ddrs.
2956 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2957 to VEC (loop_p, heap) pointer.
2958 (compute_data_dependences_for_loop): Adjust caller.
2959 (free_dependence_relations): Free DDR_LOOP_NEST.
2961 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2962 free DEPENDENCE_RELATIONS and DATAREFS.
2965 * builtins.c (expand_builtin_sync_operation,
2966 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2967 Use convert_to_mode to handle promoted arguments.
2969 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2971 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2973 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2975 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2977 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2979 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2980 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2981 Use <modeconstraint> instead of "r" as operand 1 constraint.
2983 2006-10-06 Olivier Hainque <hainque@adacore.com>
2985 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2986 Don't recurse on the pointed-to type.
2987 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2988 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2989 types with components of variable size.
2991 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2993 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2995 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2997 PR tree-optimization/29290
2998 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3002 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3003 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3006 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3007 the number of vector elements fill the rest with zeros.
3009 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3011 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3012 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3015 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3017 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3018 unnamed pattern into subsi3. Use correct constraints/predicates.
3019 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3020 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3022 2006-10-05 Ira Rosen <irar@il.ibm.com>
3024 * doc/loop.texi: Add data references analysis description.
3026 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3028 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3030 2006-10-04 Richard Henderson <rth@redhat.com>
3031 Jakub Jelinek <jakub@redhat.com>
3033 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3034 * builtin-types.def (BT_WORD): Make unsigned.
3035 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3036 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3037 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3038 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3039 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3040 * cgraph.c (decide_is_variable_needed): Look at force_output.
3041 Recurse for emulated tls.
3042 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3043 checks redundant with decide_is_variable_needed.
3044 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3045 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3047 * expr.c (emutls_var_address): New.
3048 (expand_expr_real_1): Expand emulated tls.
3049 (expand_expr_addr_expr_1): Likewise.
3050 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3051 * output.h (emutls_finish): Declare.
3052 * toplev.c (compile_file): Call it.
3053 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3054 address before wrapping in CONST.
3055 * varasm.c (emutls_htab, emutls_object_type): New.
3056 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3057 (get_emutls_object_name, get_emutls_object_type): New.
3058 (get_emutls_init_templ_addr, emutls_decl): New.
3059 (emutls_common_1, emutls_finish): New.
3060 (assemble_variable): When emulating tls, swap decls; generate
3061 constructor for the emutls objects.
3062 (do_assemble_alias): When emulating tls, swap decl and target name.
3063 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3065 * emutls.c: New file.
3066 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3067 tls_object for real tls.
3069 2006-10-04 Zack Weinberg <zackw@panix.com>
3071 Fix bug in constraint-check generator, reported by Rask Ingemann
3073 * genpreds.c (add_constraint): Don't remove anything from the
3075 (write_tm_constrs_h): Detect whether "op" argument is used, and
3076 mark it ARG_UNUSED if it isn't.
3077 (write_insn_const_int_ok_for_constraint): Skip the part of the
3078 expression that would test whether "op" (which is not available
3079 here) is a CONST_INT.
3081 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3084 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3086 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3088 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3089 current Leopard versions.
3090 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3092 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3094 * doc/install.texi: Fix typos.
3096 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3098 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3099 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3100 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3102 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3104 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3105 arg to be struct mach_header_64* instead.
3107 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3110 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3111 side effects after the outer expression's post side effects.
3113 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3115 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3116 comments to reflect actual behavior and relationship between
3117 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3119 * doc/c-tree.texi (Working with declarations): Fix documentation
3120 of FIELD_DECL likewise.
3122 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3125 * doc/extend.texi: Add used variable attribute description.
3127 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3130 * c.opt (Woverride-init): New.
3131 * c-opts.c (c_common_post_options): Default warn_override_init to
3133 * c-typeck.c (add_pending_init, output_init_element): Warn for
3134 overriding initializers without side effects.
3135 * doc/invoke.texi (-Woverride-init): Document.
3138 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3140 PR rtl-optimization/28096
3141 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3142 assignment has already been used as a destination earlier in the block.
3144 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3146 * builtins.c (expand_builtin_setjmp): Delete.
3147 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3148 <BUILT_IN_SETJMP_SETUP>: New case.
3149 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3150 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3151 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3152 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3153 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3154 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3155 (lower_function_body): Initialize it to false. If it is set to true
3156 at the end of the processing, emit the setjmp dispatcher.
3157 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3158 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3159 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3160 on the rhs of the assignment.
3161 (lower_builtin_setjmp): New function.
3162 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3163 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3164 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3165 to detect calls that can go to non-local labels. Use specific
3166 helper to create the abnormal edges associated with them.
3167 <MODIFY_EXPR>: Likewise.
3168 (make_abnormal_goto_edges): New function extracted from...
3169 (make_goto_expr_edges): ...here. Call it for computed gotos.
3170 (simple_goto_p): Minor tweak.
3171 (tree_can_make_abnormal_goto): New predicate.
3172 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3173 (tree_purge_dead_abnormal_call_edges): New function.
3174 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3175 (tree_purge_dead_abnormal_call_edges): Likewise.
3176 (make_abnormal_goto_edges): Likewise.
3177 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3178 Purge all dead abnormal edges if the call was in the last statement.
3179 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3180 (execute_fixup_cfg): If there are non-local labels in the function,
3181 scan the basic blocks and split them at calls that can go to non-local
3182 labels or add missing abnormal call edges. Write down the CFG in the
3184 (pass_fixup_cfg): Remove TODO_dump_func flag.
3185 * unwind-sjlj.c: Poison setjmp.
3186 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3187 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3188 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3189 (DONT_USE_BUILTIN_SETJMP): Document it.
3191 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3194 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3195 to 1 when __ppc64__ is defined.
3196 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3198 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3200 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3202 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3203 * config/ia64/unwind-hpux.c: Delete.
3205 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3207 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3208 on the element before gimplifying it, instead of punting if it is of
3211 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3213 * doc/loop.texi: New file.
3214 * doc/gccint.texi: Reference loop.texi.
3215 * Makefile.in (loop.texi): Add.
3217 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3219 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3221 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3222 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3224 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3226 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3228 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3230 * doc/install.texi: Document required versions of GMP and MPFR.
3232 2006-09-27 Paul Brook <paul@codesourcery.com>
3235 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3237 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3239 * reload1.c (alter_reg): Require the alignment of the stack slot to
3240 be at least reg_max_ref_width bytes.
3241 (scan_paradoxical_subregs): Record the largest width in
3244 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3248 * tree-nested.c (struct nesting_info): Added static_chain_added.
3249 (convert_call_expr): Set static_chain_added when adding static
3250 chain. Handle OMP_PARALLEL and OMP_SECTION.
3252 2006-09-25 Matthias Klose <doko@debian.org>
3254 * doc/invoke.texi: Add missing full stop.
3256 2006-09-25 Richard Henderson <rth@redhat.com>
3258 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3259 before cgraph_function_flags_ready.
3261 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3262 Adam Nemet <anemet@caviumnetworks.com>
3264 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3265 determine_common_wider_type): New functions.
3266 (get_computation_aff): Use them to simplify arithmetic between
3267 UBASE and CBASE if they are shortened from the same type.
3269 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3272 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3273 -2147483647 - 1 instead of 0x80000000.
3275 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3277 * flags.h (HONOR_NANS): Fix typo in comment.
3279 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3281 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3283 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3287 * tree.c (merge_attributes, attribute_list_contained): If both
3288 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3290 * c-typeck.c (comptypes_internal): Don't consider aggregates
3291 in different TUs as compatible if there one set of attributes is
3292 not a subset of the other type's attributes.
3293 (composite_type): Try harder not to create a new aggregate type.
3295 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3297 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3298 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3299 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3300 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3301 than replicating condition above.
3302 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3304 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3305 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3306 the linker by default.
3308 2006-09-22 Mike Stump <mrs@apple.com>
3310 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3313 2006-09-22 Richard Guenther <rguenther@suse.de>
3316 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3317 sort of stack variables stable.
3319 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3322 * explow.c (force_reg): Set REG_POINTER flag according to
3325 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3327 PR tree-optimization/28888
3328 * tree-if-conv.c (combine_blocks): Rewritten.
3329 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3330 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3332 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3334 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3337 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3339 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3341 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3343 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3345 2006-09-21 Roger Sayle <roger@eyesopen.com>
3348 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3349 dw_fde_current_label, to be the start of the function, i.e. the same
3350 value as dw_fde_begin.
3352 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3354 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3355 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3356 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3357 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3358 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3359 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3360 (abs<mode>2, neg<mode>2): Likewise.
3361 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3362 (*mips_abs_ps): New define_insn.
3364 2006-09-20 Josh Conner <jconner@apple.com>
3367 * calls.c (expand_call): Allow reuse of structure return stack
3370 2006-09-20 Paul Brook <paul@codesourcery.com>
3372 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3375 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3377 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3378 clean up terminology.
3380 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3383 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3384 with tablejumps in them.
3386 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3389 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3390 wrap it into TARGET_EXPR.
3392 2006-09-20 Eric Christopher <echristo@apple.com>
3394 * config/i386/i386.c (x86_fisttp): Remove.
3395 * config/i386/i386.h (x86_fisttp): Ditto.
3396 (TARGET_FISTTP): Ditto.
3398 2006-09-19 Eric Christopher <echristo@apple.com>
3400 * doc/tm.texi (OBJC_JBLEN): Describe.
3401 * config/i386/darwin.h (OBJC_JBLEN): Define.
3402 * config/rs6000/darwin.h: Ditto.
3404 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3406 PR rtl-optimization/21299
3407 * reload1.c (reload): Purge invalid ASMs in the final pass.
3409 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3412 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3413 pointers as legitimate constants.
3415 2006-09-19 Paul Brook <paul@codesourcery.com>
3418 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3420 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3422 PR tree-optimization/28887
3423 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3424 component parts from the reference.
3425 (gather_memory_references_ref): Record the reference without the
3426 nonaddressable component parts.
3428 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3431 * c-opts.c (c_common_handle_option): Ignore the -std options
3432 if the input language is assembly.
3434 2006-09-17 Ira Rosen <irar@il.ibm.com>
3437 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3439 (ptr_ptr_may_alias_p): Likewise.
3440 (record_record_differ_p): New function.
3441 (base_object_differ_p): Call record_record_differ_p.
3443 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3446 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3447 away for the expr argument.
3449 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3452 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3453 before using it for dumping after vectorizing loops.
3455 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3456 Jack Howarth <howarth@bromo.med.uc.edu>
3459 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3460 skip on error_mark_node.
3461 (rs6000_darwin64_record_arg_recurse): Likewise.
3463 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3465 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3466 * doc/rtl.texi: Remove related documentation.
3468 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3470 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3473 2006-09-15 Jim Wilson <wilson@specifix.com>
3475 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3476 Handle symbol offsets same as they are handled in ia64_expand_move
3479 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3481 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3482 Add forgotten parameter to the fprintf call.
3484 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3486 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3488 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3490 * doc/contrib.texi: Add my entry.
3492 2006-09-15 Nick Clifton <nickc@redhat.com>
3494 * doc/md.texi (Processor pipeline description): Fix typo in
3495 example of how to use the absence_set directive and reword the
3496 description to make it slightly easier to read.
3498 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3500 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3501 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3502 expanding the number of iterations.
3503 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3505 * cfgrtl.c (emit_insn_at_entry): New function.
3506 * rtl.h (emit_insn_at_entry): Declare it.
3507 * integrate.c (emit_initial_value_sets): Use it.
3509 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3511 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3513 (struct loop_work and related VEC declarations): Delete.
3514 (bfin_dump_loops): Print out new member bad.
3515 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3516 (bfin_scan_loop): Don't recurse.
3517 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3518 loops. No longer need to update outer loops if the current one is
3519 found bad. Move some validitiy checks to bfin_discover_loop.
3520 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3521 but changed not to check for nesting. Also changed to use the new bad
3523 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3524 time. Use bitmap based test to discover loop nesting.
3526 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3528 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3531 2006-09-14 Richard Guenther <rguenther@suse.de>
3532 Kazu Hirata <kazu@codesourcery.com>
3534 PR middle-end/28884.
3535 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3536 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3537 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3538 with TARGET_FUNCTION_VALUE.
3540 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3543 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3545 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3547 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3550 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3553 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3556 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3558 * basic_block.h (bb_has_eh_pred): Fix comment.
3560 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3562 * flow.c (calculate_global_regs_live): Invalidate eh registers
3563 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3564 (propagate_block): Handle eh registers as if they were set at basic
3566 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3568 * global.c (global_conflicts): Make eh registers to conflict with
3569 pseudos live at basic block begin.
3570 * basic_block.h (bb_has_eh_pred): New function.
3572 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3574 PR rtl-optimization/28982
3575 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3576 index of a PRE_MODIFY or POST_MODIFY address.
3577 * reload1.c (inc_for_reload): Use find_replacement on the original
3578 base and index registers.
3580 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3582 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3583 for -Os. Update __m128 alignment requirement.
3585 2006-09-13 Jan Hubicka <jh@suse.cz>
3587 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3589 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3591 PR rtl-optimization/28243
3592 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3593 the insn to which the note was originally attached.
3595 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3596 Roger Sayle <roger@eyesopen.com>
3598 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3599 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3600 on platforms that don't use dwarf for debug info.
3602 2006-09-12 Jason Merrill <jason@redhat.com>
3605 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3606 hard_frame_pointer_rtx after using it to update the frame pointer.
3608 2006-09-12 Roger Sayle <roger@eyesopen.com>
3610 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3611 (TARGET_ASM_CLOSE_PAREN): Likewise.
3612 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3613 (TARGET_ASM_CLOSE_PAREN): Likewise.
3615 2006-09-12 Roger Sayle <roger@eyesopen.com>
3618 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3619 frame information for frames larger than 512 Kbytes on Tru64 when
3620 using the native assembler.
3622 2006-09-12 Roger Sayle <roger@eyesopen.com>
3626 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3627 and symbols. Instead use the implementation from cse.c's hash_rtx.
3629 2006-09-12 Jan Hubicka <jh@suse.cz>
3631 PR rtl-optimization/28071
3632 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3633 (vect_transform_loop): Likewise.
3634 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3635 (new_loop_vec_info): Likewise.
3636 (destroy_loop_vec_info): Likewise.
3637 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3638 (create_stmt_ann): Likewise.
3639 (create_tree_ann): Rename to ...
3640 (create_tree_common_ann): ... this one; allocate only the common part
3642 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3643 (get_value_handle): Likewise.
3644 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3645 get_tree_common_ann.
3646 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3647 (vinfo_for_stmt): Use stmt annotations.
3648 * tree-flow.h (tree_ann_common_t): New type.
3649 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3650 (tree_ann, get_tree_ann, create_tree_ann): New.
3651 * tree-flow-inline.h (get_function_ann): Do more type checking.
3652 (stmt_ann): Likewise.
3653 (tree_ann): Rename to ...
3654 (tree_common_ann): ... this one; return ony common_ann
3655 (get_tree_ann): Rename to ...
3656 (tree_common_ann): This one; return only common_ann.
3657 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3660 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3662 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3663 with_cpu by default.
3665 * dwarf2out.c (dwarf_file_data): New.
3666 (enum dw_val_class): Add dw_val_class_file.
3667 (struct dw_val_struct): Add val_file.
3668 (file_table): Change to a hash table.
3669 (file_table_emitted): Delete.
3670 (file_table_last_lookup_index): Delete.
3671 (emitcount): Delete.
3672 (last_emitted_file): New.
3673 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3674 (init_file_table): Delete.
3675 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3676 (AT_addr): Add comment.
3680 (print_die): Handle dw_val_class_file.
3681 (print_dwarf_line_table): Update for new file table structure.
3682 (attr_checksum): Do checksum a filename.
3683 (same_dw_val_p, same_attr_p): Do compare a filename.
3684 (size_of_die): Handle dw_val_class_file.
3685 (value_format): Likewise.
3686 (output_die): Likewise. Also, call maybe_emit_file here.
3687 (struct file_info): Constify filenames. Make file_idx a pointer
3688 to a struct dwarf_file_data.
3689 (struct dir_info): Constify directory names. Remove 'used' field.
3690 (struct file_name_acquire_data): New.
3691 (file_name_acquire): New.
3692 (output_file_names): Modify to handle new file data structures.
3693 (add_src_coords_attributes): Use add_AT_file.
3694 (add_call_src_coords_attributes): Likewise.
3695 (dwarf2out_imported_module_or_decl): Likewise.
3696 (gen_subprogram_die): Modify for new file data structures.
3697 (gen_variable_die): Likewise.
3698 (file_table_eq): New.
3699 (file_table_hash): New.
3700 (file_table_last_lookup): New.
3701 (lookup_filename): Rewrite to handle new file data structures.
3702 (maybe_emit_file): Rewrite to handle new file data structures.
3703 (dwarf2out_source_line): Always call lookup_filename and
3705 (dwarf2out_init): Create file_table here.
3706 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3707 (file_table_relative_p): New.
3708 (dwarf2out_finish): Change detection of relative filenames
3709 to work with new file data structures. Move output_line_info call
3710 after debug_info output.
3712 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3717 * config/i386/i386.c (override_options): Always default to 16
3718 byte stack boundary.
3720 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3723 * var-tracking.c (dump_dataflow_set): Start dumping at
3725 (clobber_variable_part): Kill only the variable part in
3726 registers holding it, leaving other variables alone.
3728 2006-09-11 Josh Triplett <josh@freedesktop.org>
3730 * doc/extend.texi (Other Builtins): Actually use the macro
3731 argument in the documentation example for
3732 __builtin_types_compatible_p.
3734 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3736 PR rtl-optimization/28726
3737 * sched-deps.c (sched_analyze_reg): New function extracted from...
3738 (sched_analyze_1): ...here. Call it to analyze references to
3739 registers. Treat again writes to a stack register as writing to the
3741 (sched_analyze_2): ...and here. Call it to analyze references to
3742 registers. Treat again reads of a stack register as reading the
3745 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3746 David Edelsohn <edelsohn@gnu.org>
3749 * config/rs6000/spe.md (frob_df_di): Remove %H.
3750 (frob_di_df): Remove %H. Change evmergelo to mr.
3751 (frob_di_df_2): Remove %H. Change evldd to two loads.
3753 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3755 * doc/cpp.texi: Fix names of charset options.
3757 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3760 * config/i386/i386.c (override_options): Use 128-bit
3761 stack boundary always for 64bits.
3763 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3765 PR rtl-optimization/28636
3766 * combine.c (force_to_mode): Test for side-effects before
3767 substituting by zero.
3768 (simplify_shift_const): Likewise for zero or other constants.
3770 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3773 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3776 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3779 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3780 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3781 returned by mode_for_size, rather than the mode of src itself,
3782 to choose between 32-bit and 64-bit patterns.
3783 (mips_mem_fits_mode_p): New function.
3784 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3785 that the size of the source matches the size of the destination.
3786 (mov_<store>l, mov_<store>r): Likewise.
3788 2006-09-10 Eric Christopher <echristo@apple.com>
3790 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3793 2006-09-09 Eric Christopher <echristo@apple.com>
3796 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3799 2006-09-09 Roger Sayle <roger@eyesopen.com>
3800 Nicolas Setton <setton@adacore.com>
3802 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3804 2006-09-10 Andreas Schwab <schwab@suse.de>
3806 * config/m68k/m68k.md (bungt_rev): New pattern.
3808 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3809 Dale Johannesen <dalej@apple.com>
3812 * regclass.c (struct reg_pref): Update documentation.
3813 (regclass): Set prefclass to NO_REGS if memory is the best option.
3814 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3816 2006-09-08 Eric Christopher <echristo@apple.com>
3818 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3819 * config/t-slibgcc-darwin: Support x86_64 multilib.
3820 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3821 Return 1 for x86_64-darwin.
3822 * config/i386/t-darwin: Add m64 multilib.
3823 (LIB2_SIDITI_CONV_FUNCS): Use.
3824 (LIB2FUNCS_EXTRA): Ditto.
3825 * config/i386/darwin.h: Support x86_64.
3826 * config/i386/i386.c (override_options): Turn on flag_pic
3827 for x86_64-darwin. Disable flag_omit_pointer.
3828 (get_pc_thunk_name): Assert !TARGET_64BIT.
3829 (legitimate_address_p): Disable machopic addressing for
3831 (legitimize_pic_address): Ditto.
3832 (ix86_expand_move): Ditto.
3833 (ix86_expand_call): Ditto.
3834 (machopic_output_stub): Ditto.
3835 * config/darwin.c (machopic_select_section): Support literal16.
3836 (machopic_select_rtx_section): Ditto.
3837 * config/darwin-sections.def: Ditto.
3838 * config/darwin-64.c: New.
3840 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3843 * c-tree.h (struct c_arg_info): Add pending_sizes.
3844 * c-parser.c (c_parser_parms_declarator,
3845 c_parser_parms_list_declarator): Initialize pending_sizes.
3846 * c-decl.c (get_parm_info): Initialize pending_sizes.
3847 (get_parm_info): Set pending_sizes.
3848 (grokdeclarator): Call put_pending_sizes for parameters for
3849 function definition only.
3851 2006-09-07 Jason Merrill <jason@redhat.com>
3854 * varasm.c (output_constant): Only strip actual no-op conversions.
3857 * config/i386/i386.c (override_options): Use 128-bit
3858 stack boundary if -msse.
3860 2006-09-07 Eric Christopher <echristo@apple.com>
3862 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3864 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3867 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3869 * dwarf2out.c: Remove strange characters from comment above
3870 dwarf2out_frame_debug_expr.
3872 2006-09-07 Eric Christopher <echristo@apple.com>
3874 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3875 * config/darwin.h: ... to here.
3877 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3879 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3881 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3882 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3884 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3885 TARGET_PARTIAL_FLAG_REG_STALL.
3886 (*ashldi3_cconly_rex64): Likewise.
3887 (*ashlsi3_cmp): Likewise.
3888 (*ashlsi3_cconly): Likewise.
3889 (*ashlsi3_cmp_zext): Likewise.
3890 (*ashlhi3_cmp): Likewise.
3891 (*ashlhi3_cconly): Likewise.
3892 (*ashlqi3_cmp): Likewise.
3893 (*ashlqi3_cconly): Likewise.
3894 (*ashrdi3_cmp_rex64): Likewise.
3895 (*ashrdi3_cconly_rex64): Likewise.
3896 (*ashrsi3_cmp): Likewise.
3897 (*ashrsi3_cconly): Likewise.
3898 (*ashrsi3_cmp_zext): Likewise.
3899 (*ashrhi3_cmp): Likewise.
3900 (*ashrhi3_cconly): Likewise.
3901 (*ashrqi3_cmp): Likewise.
3902 (*ashrqi3_cconly): Likewise.
3903 (*lshrdi3_cmp_rex64): Likewise.
3904 (*lshrdi3_cconly_rex64): Likewise.
3905 (*lshrsi3_cmp): Likewise.
3906 (*lshrsi3_cconly): Likewise.
3907 (*lshrsi3_cmp_zext): Likewise.
3908 (*lshrhi3_cmp): Likewise.
3909 (*lshrhi3_cconly): Likewise.
3910 (*lshrqi2_cmp): Likewise.
3911 (*lshrqi2_cconly): Likewise.
3913 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3916 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3917 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3918 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3919 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3920 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3921 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3922 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3923 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3924 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3925 implement only CC setting effects of shift instructions.
3927 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3929 * doc/contrib.texi: Add myself.
3931 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3934 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3935 was set by the user.
3937 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3940 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3941 (divsi_inv_m1): Use them.
3942 (UNSPEC_DIV_INV_TABLE): New constant.
3944 2006-09-06 James E Wilson <wilson@specifix.com>
3947 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3948 then call count_or_remove_death_notes.
3950 2006-09-06 Jason Merrill <jason@redhat.com>
3953 * tree-inline.c (copy_result_decl_to_var): New fn.
3954 (declare_return_variable): Use it. Call declare_inline_vars here.
3955 (expand_call_inline): Not here.
3957 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3959 * doc/contrib.texi: Update my entry.
3961 2006-09-06 Nick Clifton <nickc@redhat.com>
3963 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3965 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3968 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3969 (canonicalize_induction_variables): Likewise.
3970 (tree_unroll_loops_completely): Likewise.
3971 (tree_ssa_prefetch_arrays): Likewise.
3972 (remove_empty_loops): Likewise.
3973 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3974 TODO_cleanup_cfg instead of directly calling
3975 cleanup_tree_cfg_loop.
3976 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3978 (tree_unroll_loops_completely): Likewise.
3979 (remove_empty_loops): Likewise.
3980 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3981 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3982 of tree_ssa_unswitch_loops.
3983 (tree_ssa_loop_ivcanon): Use the return value of
3984 canonicalize_induction_variables.
3985 (tree_ssa_empty_loop): Use the return value of
3987 (tree_complete_unroll): Use the return value of
3988 tree_unroll_loops_completely.
3989 (tree_ssa_loop_prefetch): Use the return value of
3990 tree_ssa_prefetch_arrays.
3991 * passes.c (execute_todo): Before Cleanup CFG, set
3992 updating_used_alone and after cleanup CFG, call
3993 recalculate_used_alone.
3995 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3998 * tree-vect-transform.c (vectorizable_condition): Move the check
3999 for the type after the check for simple condition.
4001 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4002 Kaz Kojima <kkojima@gcc.gnu.org>
4005 * mode-switching.c (optimize_mode_switching): Make the destination
4006 block of an abnormal edge have no anticipatable mode. Don't
4007 insert mode switching code at the end of the source block of
4010 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4012 PR rtl-optimization/26847
4013 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4014 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4015 (simplify_plus_minus): Count n_constants while filling ops. Replace
4016 qsort with insertion sort. Before going through the array to simplify
4017 pairs, sort it. Delay early exit until after the first sort, exiting
4018 only if no swaps occurred. Simplify pairs in reversed order, without
4019 special-casing the first iteration. Pack ops after simplifying pairs.
4021 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4023 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4024 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4025 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4026 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4028 2006-09-05 Richard Guenther <rguenther@suse.de>
4030 PR tree-optimization/28900
4031 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4032 compound conditional before creating COND_EXPR condition.
4034 2006-09-05 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/28905
4037 * tree-vrp.c (fix_equivalence_set): Manually implement
4038 !value_ranges_intersect_p to also handle symbolic ranges.
4040 2006-09-05 Richard Guenther <rguenther@suse.de>
4043 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4046 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4048 PR rtl-optimization/27616
4049 * cse.c (table_size): New static variable.
4050 (new_basic_block): Initialize it to 0.
4051 (remove_from_table): Decrement it.
4052 (insert): Increment it.
4053 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4054 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4055 fold_rtx_mem_1 if under the cap.
4056 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4057 the lookup of the equivalent expression and test for equality of the
4058 first operand of the equivalent expression before in turn looking up
4059 an equivalent constant for the second operand.
4061 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4064 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4065 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4066 pointer, instead of assuming it is possible to derive the
4067 correct args size from a call insn.
4069 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4072 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4073 (fold_builtin_mempcpy): Rename to...
4074 (fold_builtin_memory_op): ... this. Optimize one element copy
4076 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4078 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4079 (expand_builtin_memcpy, expand_builtin_mempcpy,
4080 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4081 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4082 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4083 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4085 2006-09-01 DJ Delorie <dj@redhat.com>
4087 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4088 (stzx_16): Likewise.
4089 ("stzx_24_<mode>"): Likewise.
4090 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4091 ("cmp<mode>_op"): New.
4092 (cmp<mode>): Change to expander; just save operands.
4094 (b<code>): Change to expander, emit compare here.
4095 (s<code>_op): Change to use split and expander.
4096 (s<code>_24_op): Likewise.
4097 (s<code>_<mode>): New.
4098 (s<code>_<mode>_24): New.
4099 (movqicc_<code>_<mode): New.
4100 (movhicc_<code>_<mode>): New.
4103 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4104 (m32c_pend_compare): New.
4105 (m32c_unpend_compare): New.
4106 (m32c_expand_scc): New.
4107 (m32c_expand_movcc): Emit the compare also.
4108 * config/m32c/predicates.md (mra_nopp_operand): New.
4110 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4111 Richard Guenther <rguenther@suse.de>
4112 Adam Nemet <anemet@caviumnetworks.com>
4115 * builtins.c (get_pointer_alignment): Handle more forms
4116 of base addresses that can be used to derive more precise
4117 information about alignment.
4119 2006-09-01 Jason Merrill <jason@redhat.com>
4122 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4125 * gimplify.c (voidify_wrapper_expr): Handle null type.
4127 2006-09-01 Josh Conner <jconner@apple.com>
4130 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4131 (execute_return_slot_opt): Use it.
4133 2006-08-31 Josh Conner <jconner@apple.com>
4136 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4137 returning aggregates.
4139 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4141 PR tree-optimization/28839
4142 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4143 blocks in that phi arguments appear.
4145 2006-08-31 Roger Sayle <roger@eyesopen.com>
4148 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4149 NULL, otherwise use an advance_loc4 to adjust relative to the
4151 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4152 (dwarf2out_switch_text_section): Reset the current label to avoid
4153 using advance_loc4 over section boundaries.
4155 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4158 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4159 r12 + SYMBOLIC_CONST.
4161 2006-08-30 Richard Guenther <rguenther@suse.de>
4163 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4165 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4167 PR rtl-optimization/27735
4168 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4169 Add new argument to keep track of whether an irreducible region
4170 was affected. All callers changed.
4171 (fix_irreducible_loops): Removed.
4172 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4173 flags were invalidated.
4175 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4177 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4178 instead of SF operands.
4179 (*fop_df_comm_sse): Likewise.
4180 (*fop_df_comm_i387): Likewise.
4181 (*fop_df_1_mixed): Likewise.
4182 (*fop_df_1_sse): Likewise.
4184 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4185 J"orn Rennecke <joern.rennecke@st.com>
4187 PR tree-optimization/17506
4188 * tree-ssa.c (warn_uninit): If warning about a location outside of
4189 the current function, note where the variable was declared.
4191 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4193 PR tree-optimization/28411
4194 * double-int.c (double_int_div): Use double_int_divmod.
4195 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4196 double_int_mod, double_int_smod, double_int_umod): New functions.
4197 * double-int.h (double_int_divmod, double_int_sdivmod,
4198 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4200 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4202 (get_computation_aff, get_computation_cost_at): Handle double_int
4203 return type of constant_multiple_of.
4205 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4208 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4209 an implicit conversion.
4211 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4213 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4215 2006-08-27 Roger Sayle <roger@eyesopen.com>
4217 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4220 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4222 * config/i386/crtfastmath.c: Fix a comment typo.
4224 2006-08-26 Roger Sayle <roger@eyesopen.com>
4226 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4227 temporary visit flags on CASE_LABEL_EXPRs.
4228 * c-common.c (match_case_to_enum): Add function comment. Avoid
4229 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4230 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4231 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4232 a constant, only warn if that constant value isn't handled.
4234 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4237 * input.h (restore_input_file_stack): Declare.
4238 (INPUT_FILE_STACK_BITS): Define.
4239 * toplev.c (fs_p, input_file_stack_history,
4240 input_file_stack_restored, restore_input_file_stack): New.
4241 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4242 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4243 (pop_srcloc): Don't free old state of stack.
4245 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4248 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4249 (PowerPC Type Attributes): New.
4251 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4253 * config/xtensa/xtensa.c (function_arg_boundary): New.
4254 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4256 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4257 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4259 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4262 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4265 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4267 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4268 (verify_local_live_at_start): Likewise.
4270 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4273 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4274 omp_add_variable): Treat sizes as variable whenever not
4277 2006-08-26 Richard Guenther <rguenther@suse.de>
4280 * fold-const.c (fold_binary): Fold temporary to correct
4281 type before constructing new comparison.
4283 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4286 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4287 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4289 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4292 * c-decl.c (start_function): Don't try to process prototype
4293 information from old declaration that isn't a function.
4295 2006-08-25 Jan Hubicka <jh@suse.cz>
4298 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4300 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4303 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4306 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4308 PR tree-optimization/16876
4309 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4310 exit if PARM doesn't match VALUE.
4312 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4314 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4315 literal_prefix directive.
4316 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4317 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4318 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4320 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4323 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4324 predicate to general_operand. Add 0->y and I->r alternatives.
4326 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4328 * doc/tm.texi: Fix a typo.
4329 * predict.c: Fix comment typos.
4331 2006-08-25 Nick Clifton <nickc@redhat.com>
4333 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4334 assertions of "cpu" and "machine".
4336 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4339 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4340 the access through a base which has an alias set of 0 cannot
4343 2006-08-24 Bill Wendling <wendling@apple.com>
4345 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4347 2006-08-24 Jan Hubicka <jh@suse.cz>
4349 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4351 2006-08-24 Jan Hubicka <jh@suse.cz>
4354 * cgraph.c: Fix comments.
4355 (cgraph_varpool_mark_needed_node): Mark only variables not already
4357 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4358 (cgraph_varpool_assembled_nodes_queue): New static variable.
4359 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4360 (cgraph_varpool_output_debug_info): New function.
4361 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4362 * Makefile.in: Add gt-cgraphunit.h
4364 2006-08-24 Jan Hubicka <jh@suse.cz>
4366 * predict.c (probability_reliable_p): New predicate.
4367 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4368 (predict_loops): Do not predict loop exit with less than 2%
4370 * basic-block.h (edge_probability_reliable_p,
4371 br_prob_note_reliable_p): Declare.
4372 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4373 prediction when static predictor is not reliable.
4374 * rs6000.c (output_cbranch): Likewise.
4376 2006-08-23 Stuart Hastings <stuart@apple.com>
4379 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4380 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4382 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4385 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4386 complex values, nor for generic vector values.
4388 2006-08-22 Richard Guenther <rguenther@suse.de>
4391 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4392 parameter. Convert arguments to arithmetic expression to the
4394 (analyze_scalar_evolution_1): Adjust caller.
4396 2006-08-22 Jan Hubicka <jh@suse.cz>
4398 Patch by Paolo Bonzini
4399 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4402 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4404 PR tree-optimization/28003
4405 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4406 before grouping aliases.
4408 2006-08-22 Roger Sayle <roger@eyesopen.com>
4410 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4411 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4413 2006-08-21 Jason Merrill <jason@redhat.com>
4416 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4417 wrapper. Loop to handle nested wrappers.
4418 (gimplify_bind_expr): Remove temp parameter.
4419 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4420 and STATEMENT_LIST on the rhs.
4421 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4422 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4423 (gimplify_target_expr): Remove special BIND_EXPR handling.
4425 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4427 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4430 2006-08-21 Olivier Hainque <hainque@adacore.com>
4432 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4433 Arrange for the temporary captures of components overlapping the lhs
4434 to happen before the lhs is possibly cleared.
4436 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4438 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4439 necessary places to pass the correct "number of registers" values
4442 2006-08-20 Jan Hubicka <jh@suse.cz>
4444 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4445 (create_name_tags): Instead of quadratic checking use hashtable.
4446 * bitmap.h: Include hashtab.h.
4447 (bitmap_hash): Declare.
4448 * bitmap.c (bitmap_hash): New function.
4450 2006-08-20 Jan Hubicka <jh@suse.cz>
4452 PR rtl-optimization/28071
4453 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4455 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4456 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4457 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4458 cgraph_decide_inlining_incrementally): Update use of
4459 cgraph_check_inline_limits.
4460 * cgraph.c (edge_hash, edge_eq): New function.
4461 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4462 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4463 cgraph_remove_node): Maintain call site hash.
4464 * cgraph.h (struct cgraph_node): Add call_site_hash.
4465 (cgraph_set_call_stmt): New function.
4467 2006-08-20 Jan Hubicka <jh@suse.cz>
4469 PR rtl-optimization/28071
4470 * reload1.c (reg_has_output_reload): Turn into regset.
4471 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4472 choose_reload_regs, emit_reload_insns): Update to new
4473 reg_has_output_reload.
4475 2006-08-20 Jan Hubicka <jh@suse.cz>
4478 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4479 function body sizes.
4480 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4482 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4485 * tree.c (handle_dll_attribute): Return early if not a
4486 var or function decl.
4488 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4491 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4492 alignment of SPE vector types.
4494 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4496 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4498 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4501 * cgraph.h (struct cgraph_node): Remove externally_visible
4503 * cgraphunit.c (process_function_and_variable_attributes): Set
4504 local.externally_visible rather than externally_visible.
4507 * c-common.c (handle_externally_visible_attribute): First look
4508 at TREE_CODE and only if it is function or var decl, check for
4509 non-public objects. Don't warn for DECL_EXTERNAL.
4510 * cgraphunit.c (process_function_and_variable_attributes): Warn
4511 if externally_visible attribute is used on non-public object.
4513 2006-08-17 Jan Hubicka <jh@suse.cz>
4515 PR tree-optimization/27865
4516 * reload1.c (forget_marked_reloads): New function.
4517 (forget_old_reloads_1): When data are passed, just mark the registers
4519 (reload_as_needed): Use the new mechanizm.
4521 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4524 * reload.h (reg_equiv_alt_mem_list): New declaration.
4525 * reload1.c (reg_equiv_alt_mem_list): New definition.
4526 (reload): Initialize it and release it.
4527 (delete_output_reload): Use it.
4528 * reload.c (push_reg_equiv_alt_mem): New function.
4529 (find_reloads_toplev): Call it.
4530 (find_reloads_address, find_reloads_address_1): Likewise.
4531 (find_reloads_subreg_address): Likewise.
4533 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4535 PR rtl-optimization/28489
4536 * sched-ebb.c (begin_schedule_ready): Create basic block
4538 (advance_target_bb): Skip empty blocks.
4539 * haifa-sched.c (bb_note): Make global.
4540 * sched-int.h (bb_note): Add prototype.
4542 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4544 PR tree-optimization/27865
4545 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4547 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4548 fold_used_pointer, pointer_used_p): New functions.
4549 (analyze_scalar_evolution_1): Use fold_used_pointer.
4550 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4551 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4554 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4557 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4558 or the INTEGER_CST. Fail on a CALL_EXPR.
4559 (fold_offsetof): Pass new argument to fold_offsetof_1.
4560 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4561 operand into an INDIRECT_REF.
4562 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4564 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4566 PR gcov/profile/26570
4567 * value-prof.c (static_values): Removed.
4568 (tree_find_values_to_profile): Do not set static_values.
4569 (find_values_to_profile): Do not free static_values.
4570 * profile.c (instrument_values): Do not free the values.
4571 (branch_prob): Free the values.
4573 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4575 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4577 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4580 * c-typeck.c (build_component_ref): Combine qualifiers of
4581 structure or union and field.
4583 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4585 PR rtl-optimization/28071
4586 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4587 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4588 * tree-into-ssa.c (struct dom_dfsnum): New.
4589 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4591 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4592 compute_global_livein.
4593 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4594 in phi nodes in the correct blocks.
4596 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4598 PR tree-optimization/28364
4599 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4601 (fold_affine_expr): New function.
4602 (may_eliminate_iv): Use fold_affine_expr.
4604 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4607 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4610 2006-08-16 Mike Stump <mrs@apple.com>
4612 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4613 * doc/cppopts.texi (-MD): Likewise.
4615 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4618 * c-common.c (handle_weak_attribute): Ignore and warn if
4619 not a FUNCTION_ or VAR_DECL.
4621 2006-07-15 Mike Stump <mrs@apple.com>
4624 * c-parser.c (c_parser_typeof_specifier): Don't use
4625 c_finish_expr_stmt, open code desired semantics instead.
4627 2006-08-15 Nick Clifton <nickc@redhat.com>
4629 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4630 fragment to tmake_file only if threads are enabled.
4631 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4632 * config/i386/t-gthr-win32: New file. ... here.
4634 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4637 * c-parser.c (c_parser_compound_statement_nostart): Reset
4638 parser->error after each statement.
4640 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4643 * omp-low.c (lower_omp_parallel): Convert t to
4644 receiver_decl's type.
4645 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4646 source before comparison.
4649 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4650 to itype in assignment to oldival2.
4652 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4656 * c-typeck.c (build_compound_expr): If the second expression
4657 is an error mark, then just return an error mark instead of
4658 creating a COMPOUND_EXPR.
4660 2006-07-14 Mike Stump <mrs@apple.com>
4662 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4664 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4666 * c-decl.c, var-tracking.c: Fix comment typos.
4668 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4670 PR rtl-optimization/28634
4671 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4672 for floating-point modes unless flag_unsafe_math_optimizations.
4674 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4675 Andrew Pinski <pinskia@physics.uc.edu>
4678 * tree.c (build_array_type): Unify array types with
4679 unspecified index_type.
4680 * c-decl.c (grokdeclarator): Make sure we do not modify a
4681 unified incomplete array type.
4682 * c-typeck.c (store_init_value): Create distinct type before
4683 filling in the index type in an initializer from a compound
4686 * c-decl.c (grokdeclarator): Remove code where we copy the
4689 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4691 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4692 into account for TODO_dump_cgraph.
4693 (TODO_update_ssa_no_phi): Likewise.
4694 (TODO_update_ssa_full_phi): Likewise.
4695 (TODO_update_ssa_only_virtuals): Likewise.
4696 (TODO_remove_unused_locals): Likewise.
4697 (TODO_set_props): Likewise.
4698 (TODO_update_stmt_usage): Likewise.
4700 2006-08-13 Dirk Mueller <dmueller@suse.de>
4702 * c-common.c (strict_aliasing_warning): Fix formatting.
4704 2006-08-13 Matthias Klose <doko@debian.org>
4706 * doc/invoke.texi: Fix spelling errors.
4708 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4710 PR rtl-optimization/23454
4711 * reorg.c (relax_delay_slots): Update comment.
4713 2006-08-11 Richard Guenther <rguenther@suse.de>
4716 * simplify-rtx.c (simplify_const_relational_operation):
4717 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4720 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4722 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4723 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4725 2006-08-10 Paul Brook <paul@codesourcery.com>
4727 * final.c (final_scan_insn): Clear current_insn_predicate before
4728 outputting inline asm.
4730 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4732 PR tree-optimization/26197
4733 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4734 get_ref_base_and_extent and overlap_subvar to add only relevant
4735 subvars as may-aliases.
4736 (add_may_alias_for_new_tag): New function, factored out of
4738 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4739 with additional argument.
4740 * tree-flow.h (new_type_alias): Takes additional argument.
4742 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4744 * gcov.c (no_data_file): New flag.
4745 (read_count_file): Set it if data file not present. Assume counts
4747 (output_lines): Don't name the data file, if there wasn't one.
4749 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4751 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4752 (rs6000_generate_compare): Tweak comments.
4753 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4755 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4757 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4758 (var_debug_decl): New function.
4759 (var_reg_set): Follow debug decl link. Add location even if
4760 reg is already known to hold some other variable.
4761 (var_mem_set): Follow debug decl link.
4762 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4763 decl link. Delete other known locations of the variable part
4765 (var_reg_delete, var_mem_delete): Delete other known locations
4766 of the variable part if requested.
4767 (same_variable_part_p): New function.
4768 (add_stores): Select MO_COPY when appropriate.
4769 (vt_initialize): Handle it.
4770 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4771 known locations for MO_SET and MO_CLOBBER.
4772 (find_variable_location_part): New function.
4773 (set_variable_part, delete_variable_part): Use it.
4774 (clobber_variable_part): New function.
4775 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4778 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4780 PR tree-optimization/26969
4781 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4782 with an empty list of PHIs.
4784 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4788 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4791 2006-08-06 Andreas Schwab <schwab@suse.de>
4793 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4794 string. Whitespace and comment fixup.
4796 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4799 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4803 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4806 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4808 2006-08-04 Jan Hubicka <jh@suse.cz>
4812 * reload.c (push_reload): Patch out the mismatching instruction;
4814 (find_reload): Bail out if the instruction was patched out.
4816 2006-08-04 Jan Hubicka <jh@suse.cz>
4818 PR tree-optimization/24888
4819 * tree-inline.c (expand_call_inline): Do not re-record variables.
4820 (declare_inline_vars): Add variable to unexpanded_var_list.
4822 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4823 Roger Sayle <roger@eyesopen.com>
4825 PR rtl-optimization/26244
4826 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4827 inner_const are negative or greater than or equal to the bitsize of
4828 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4829 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4830 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4831 CONST0_RTX (mode) when the new shift count is greater than or equal to
4832 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4835 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4837 * tree-cfg.c: Fix a comment typo.
4839 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4842 * varasm.c (output_constant): Give the front end another chance to
4843 expand constants, after stripping NOPs.
4845 2006-08-03 Jan Hubicka <jh@suse.cz>
4847 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4850 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4852 PR tree-optimization/27770
4853 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4854 declaration removed (moved to tree-flow.h).
4855 (vect_can_force_dr_alignment_p): Likewise.
4856 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4857 (moved from tree-vectorizer.h).
4858 (vect_can_force_dr_alignment_p): Likewise.
4859 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4860 from outside the vectorizer - in particular from cgraph stage.
4861 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4862 the alignment of global arrays when -fsection-anchors is enabled.
4863 * cgraphunit.c (cgraph_increase_alignment): New function.
4864 (cgraph_optimize): Call cgraph_increase_alignment.
4866 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4869 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4870 not reload a SPE symbol_ref into a lo_sum address.
4872 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4875 * dwarf2out.c (prune_unused_types_prune): Move call to
4876 prune_unused_types_update_strings to cover the parent DIE also.
4878 2006-08-02 Jan Hubicka <jh@suse.cz>
4880 PR gcov/profile/28480
4881 * tree-cfg.c (change_bb_for_stmt): New function.
4882 (tree_merge_blocks, tree_split_blocks): Use it.
4884 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4890 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4891 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4892 (cgraph_optimize): Likewise.
4894 2006-08-01 Stuart Hastings <stuart@apple.com>
4896 * rtl.h (UINTVAL) New.
4897 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4898 * testsuite/gcc.dg/20060801-1.c: New.
4900 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4903 * c-typeck.c (build_external_type): Mark used enum types.
4904 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4906 (gen_subprogram_die): Whitespace fix.
4908 2006-08-01 Jan Hubicka <jh@suse.cz>
4910 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4911 bitmap when not needed.
4912 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4915 2006-08-01 Dirk Mueller <dmueller@suse.de>
4917 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4919 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4921 * Makefile.in: Revert part of previous patch:
4922 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4925 2006-07-30 Eric Christopher <echristo@apple.com>
4928 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4929 (PowerPC Variable Attributes): New section.
4931 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4933 PR target/28126 (partial fix)
4934 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4936 2006-07-28 Jan Hubicka <jh@suse.cz>
4938 PR rtl-optimization/28071
4939 * cfgrtl.c (rtl_delete_block): Free regsets.
4940 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4942 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4944 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4945 and variables used in dependencies.
4947 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4949 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4950 %fs for -mcmodel=kernel.
4951 (stack_tls_protect_test_di): Likewise.
4953 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4955 * Makefile.in: Use mkinstalldirs.
4957 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4960 * opts-common.c (prune_options): Skip joined switches.
4962 2006-07-27 Jan Hubicka <jh@suse.cz>
4964 PR rtl-optimization/28071
4965 * cselib.c (cselib_process_insn): Don't remove useless values too
4966 often for very large hashtables.
4968 2006-07-27 Jan Hubicka <jh@suse.cz>
4970 PR rtl-optimization/28071
4971 * global.c (greg_obstack): New obstack.
4972 (allocate_bb_info): Use it.
4973 (free_bb_info): Likewise.
4974 (modify_reg_pav): Likewise.
4976 2006-07-27 Roger Sayle <roger@eyesopen.com>
4978 * builtins.c (fold_fixed_mathfn): When long and long long are the
4979 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4980 functions to their lceil*, lfloor*, lround* and lrint* forms.
4982 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4985 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4987 (rev_branch_insn): Likewise.
4989 2006-07-27 Jan Hubicka <jh@suse.cz>
4991 PR rtl-optimization/28071
4992 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4993 (reg_set_in_bb, max_reg_computed): New static variables.
4994 (regmove_optimize): Free the new array.
4995 (fixup_match_1): Update call of reg_is_remote_constant_p.
4997 2006-07-26 Jan Hubicka <jh@suse.cz>
4999 PR tree-optimization/27882
5000 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5002 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5004 (cgraph_analyze_compilation_unit): Likewise.
5005 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5006 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5007 (cgraph_early_inlinine): Make order garbage collected.
5008 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5010 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5012 * dbxout.c (output_types_sort): Add a comment.
5013 (output_used_types): Free the VEC.
5015 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5017 * function.c (reorder_fix_fragments): Delete.
5018 (reorder_blocks): Don't call it.
5019 (reorder_blocks_1): Put all subblocks under the origin block.
5021 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5023 PR rtl-optimization/27907
5024 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5027 2006-07-25 Roger Sayle <roger@eyesopen.com>
5030 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5031 bar(x) check that bar's result type can represent all the values of T.
5033 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5035 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5037 2006-07-25 Nick Clifton <nickc@redhat.com>
5039 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5040 size_lookup[] array.
5041 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5042 (ggc_pch_count_object): Likewise.
5043 (ggc_pch_alloc_object): Likewise.
5044 (ggc_pch_write_object): Likewise.
5045 (init_ggc): Do not attempt to initialize entries in the
5046 size_lookup[] array for objects whose size is greater than than
5047 the length of the array.
5049 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5051 * dbxout.c (output_used_types_helper): Push queued types
5053 (output_types_sort): New.
5054 (output_used_types): Collect used types on a VEC and sort them
5057 2006-07-24 Richard Guenther <rguenther@suse.de>
5060 * cgraph.c (cgraph_remove_node): Do not check if dumps
5062 * cgraphunit.c (cgraph_optimize): Likewise.
5064 2006-07-24 Jan Hubicka <jh@suse.cz>
5066 PR rtl-optimization/28071
5067 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5068 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5069 splitting before first stmt.
5071 2006-07-24 Jan Hubicka <jh@suse.cz>
5073 PR rtl-optimization/28071
5074 * ipa-inline.c (update_caller_keys): Remove edges that
5075 are no longer inline candidates.
5077 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5080 * dbxout.c (output_used_types_helper, output_used_types): New.
5081 (dbxout_symbol): Call output_used_types.
5083 2006-07-23 Jan Hubicka <jh@suse.cz>
5087 * cgraph.c (cgraph_varpool_nodes): Export.
5088 (decide_is_variable_needed): Ignored "used" attribute in
5089 unit-at-a-time mode.
5090 * cgraph.h (cgraph_varpool_nodes): Declare.
5091 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5092 unit-at-a-time mode.
5094 2006-07-23 Roger Sayle <roger@eyesopen.com>
5097 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5098 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5099 the __gthrw form of thr_keycreate.
5100 (__gthread_key_delete): Silence the unused argument warning.
5102 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5105 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5106 Cache the last found '\0' marker to avoid quadratic behavior.
5108 2006-07-23 Jan Hubicka <jh@suse.cz>
5110 * i386.md (subsi_3_zext): Fix output template.
5112 2006-07-21 Mike Stump <mrs@apple.com>
5114 * doc/invoke.texi (C++ Dialect Options): Note that
5115 -fvisibility-inlines-hidden doesn't affect explicitly
5116 instantiationed inline methods.
5118 2006-07-20 Roger Sayle <roger@eyesopen.com>
5120 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5121 if the target assembler is GNU binutils' gas.
5122 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5123 whether to pass GNU gas or native as command line options.
5125 2006-07-20 Jason Merrill <jason@redhat.com>
5127 * tree.c (remove_attribute): New fn.
5128 * tree.h: Declare it.
5130 2006-07-20 Paul Brook <paul@codesourcery.com>
5133 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5134 they are invalidated by this instruction.
5136 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5139 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5141 2006-07-20 Eric Christopher <echristo@apple.com>
5144 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5146 2006-07-19 Eric Christopher <echristo@apple.com>
5148 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5149 Rewrite dependencies for libgcc_s.1.dylib.
5151 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5153 * except.c (duplicate_eh_regions_1): Clear next_peer.
5155 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5157 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5158 -mlongcall does not guarantee all calls will be long.
5159 * doc/extend.texi (long_call/short_call): Document that longcall
5160 does not guarantee a long call will be used.
5161 (longcall/shortcall): Likewise.
5163 2006-07-18 Roger Sayle <roger@eyesopen.com>
5166 * expmed.c (expand_shift): Additionally check that the shift_cost
5167 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5168 before implementing a LSHIFT_EXPR as a sequence of additions.
5169 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5170 middle-end that DImode shifts need to be synthesized by expand.
5172 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5175 * tree-ssa-operands.c (access_can_touch_variable): Update
5177 Return true if ALIAS is .GLOBAL_VAR.
5179 2006-07-18 David Daney <ddaney@avtrex.com>
5181 * gcc.c (display_help): Fix typo in help text.
5183 2006-07-18 Olivier Hainque <hainque@adacore.com>
5185 * tree.h (categorize_ctor_elements): Adjust prototype and add
5186 descriptive comment, both in accordance with the interface change
5188 * varasm.c (constructor_static_from_elts_p): New function.
5189 Whether a constructor node is a valid static constant initializer
5190 if all its elements are.
5191 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5192 * output.h: Declare it.
5193 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5194 is a valid constant initializer instead of computing the number of
5195 non-constant elements. Use constructor_static_from_elts_p for this
5196 purpose. Replace the head comment with an indication that this is a
5197 helper for categorize_ctor_elements.
5198 (categorize_ctor_elements): Same interface change as for the _1
5199 helper. Former head comment from this helper moved here, adjusted to
5200 account for the interface changes.
5201 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5202 (all_zeros_p): Likewise.
5203 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5204 static versions of the constructor from the categorize_ctor_elements
5205 return value instead of the formerly computed number of non-constant
5208 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5210 * configure: Regenerate.
5211 * Makefile.in (build_libsubdir): New configure substitution
5212 (build_libobjdir): New variable.
5213 (BUILD_LIBIBERTY): Use it.
5215 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5218 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5220 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5223 * c-common.c (handle_weakref_attribute): Ignore attribute in
5224 the same conditions the alias attribute is ignored.
5226 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5228 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5229 (dbxout_begin_prologue): Increment scope_labelno.
5231 2006-07-17 Richard Henderson <rth@redhat.com>
5234 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5237 2006-07-17 Roger Sayle <roger@eyesopen.com>
5238 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5240 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5241 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5242 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5243 functions such as sbrk, write, etc.. Add function prototypes.
5244 Convert function declarations from K&R to ISO C. Cast pointers
5245 to "long" and "unsigned long" instead of "int" and "unsigned int".
5246 Convert tokens following #endif into comments.
5248 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5250 * invoke.texi: Remove mention of f77; Reformat table for
5251 inline parameter options correctly; mention that -malign-double
5252 is default on x86-64 targets.
5254 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5256 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5257 (convert_affine_scev, chrec_convert_aggressive): Use
5258 avoid_arithmetics_in_type_p. Do not check for the subtypes
5261 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5264 * optabs.c (expand_doubleword_shift): Wrap the call to
5265 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5267 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5270 * optabs.c (expand_binop): Pass next_methods rather than methods
5271 to expand_doubleword_shift.
5273 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5276 * tree.h (dump_addr): Declare.
5277 * print-tree.c (dump_addr): New function.
5278 (print_node_brief, print_node): Use it.
5279 * print-rtl.c (print_rtx): Likewise.
5280 * common.opt (-fdump-noaddr): New option.
5281 * doc/invoke.texi (-fdump-noaddr): Document.
5282 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5283 (ve_info_hash): Likewise.
5285 2006-07-13 Andrew Haley <aph@redhat.com>
5287 PR tree-optimization/19505
5288 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5289 edge leaving this block, make sure that the destination of this
5290 block has only one predecessor.
5292 2006-07-17 Richard Guenther <rguenther@suse.de>
5294 PR tree-optimization/28238
5295 * tree-inline.c (copy_bb): Check if we produced valid
5296 gimple copying and substituting a stmt. If not, gimplify
5299 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5301 * optabs.c (maybe_encapsulate_block): New function extracted from...
5302 (emit_libcall_block): ...here. Invoke it on the block of insns to
5303 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5304 (emit_no_conflict_block): Likewise.
5306 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5308 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5310 2006-07-15 Roger Sayle <roger@eyesopen.com>
5312 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5313 a new NOP_EXPR case of the switch statement.
5315 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5318 * stor-layout.c (place_field): Take the bit field with
5319 an excessive size into account in the ms-bitfiled case.
5322 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5323 the previous bit field.
5325 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5328 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5330 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5332 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5333 signal frames correctly even when the signal was installed with
5336 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5338 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5339 (dbxout_function_end): Use local label LFBB. Remove hook
5341 (dbxout_source_line): Use local label LFBB.
5342 (dbxout_block): Likewise.
5343 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5344 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5345 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5346 and DBX_OUTPUT_NFUN.
5348 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5350 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5352 2006-07-13 Jan Hubicka <jh@suse.cz>
5354 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5356 * output.h (align_variable): Declare.
5357 * varasm.c (align_variable): Export.
5358 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5359 when basic block changed.
5361 2006-07-13 Nick Clifton <nickc@redhat.com>
5363 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5364 walking the LOG_LINKS chain.
5366 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5368 * doc/invoke.texi (C++ Dialect Options): Explain difference
5369 between -fvisibility-inlines-hidden and setting hidden
5370 visibility explicitly.
5372 2006-07-12 Eric Christopher <echristo@apple.com>
5374 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5375 (stmp-lipo): Depend on libgcc.a.
5377 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5379 * tree.c: Fix a comment typo.
5381 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5383 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5385 (umulhisi3_r): Likewise.
5387 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5390 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5391 x < 19, vs wchar_t support.
5393 2006-07-12 Nick Clifton <nickc@redhat.com>
5395 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5396 instead of -isa=sh4.
5398 2006-07-12 Mike Stump <mrs@apple.com>
5400 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5402 2006-07-10 Eric Christopher <echristo@apple.com>
5404 * config/t-slibgcc-darwin: Rewrite.
5406 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5409 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5412 2006-07-08 Matthias Klose <doko@debian.org>
5414 * doc/sourcebuild.texi: Fix typo.
5416 2006-07-07 Mike Stump <mrs@apple.com>
5418 * toplev.c (process_options): Don't give -ffunction-sections may
5419 affect debugging warning for Mach-O.
5421 2006-07-07 James E Wilson <wilson@specifix.com>
5423 * config/mips/mips.md (cpu): Add sb1a.
5424 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5425 addition to sb1. Adjust comments to clarify SB-1A differences from
5427 (ir_sb1a_load): New. Modify bypasses to use it.
5428 (ir_sb1a_simple_alu): Likewise.
5429 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5430 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5431 (mips_issue_rate): Add PROCESSOR_SB1A.
5432 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5433 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5434 (TARGET_SB1): Add PROCESSOR_SB1A check.
5435 (TUNE_SB1): Likewise.
5437 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5438 * config/mips/mips.c (mips_store_data_bypass_p): New.
5439 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5440 store_data_bypass_p.
5442 2006-07-08 Paul Brook <paul@codesourcery.com>
5445 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5447 2006-07-07 Richard Guenther <rguenther@suse.de>
5450 * tree.h (build_one_cst): Declare.
5451 * tree.c (build_one_cst): New function.
5452 * tree-ssa-math-opts.c (get_constant_one): Remove.
5453 (insert_reciprocals): Use build_one_cst.
5454 * fold-const.c (fold_plusminus_mult): Likewise.
5456 2006-07-07 Roger Sayle <roger@eyesopen.com>
5458 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5459 * cfgloopanal.c (dump_graph): Likewise.
5460 * dojump.c (discard_pending_stack_adjust): Likewise.
5461 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5463 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5464 * function.c (finalize_block_changes): Likewise.
5465 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5466 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5467 * rtl.c (dump_rtx_statistics): Likewise.
5468 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5470 * varray.c (dump_varray_statistics): Likewise.
5471 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5472 decode_decimal64, encode_decimal128, decode_decimal128,
5473 decimal_real_to_decimal): Likewise.
5475 2006-07-07 Richard Guenther <rguenther@suse.de>
5477 PR tree-optimization/28187
5478 * tree-vrp.c (vrp_operand_equal_p): New function.
5479 (vrp_bitmap_equal_p): Likewise.
5480 (update_value_range): Use them to compare old and new
5483 2006-07-06 Roger Sayle <roger@eyesopen.com>
5485 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5486 a default case to switch statement to silence compiler warnings.
5488 2006-07-06 Roger Sayle <roger@eyesopen.com>
5491 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5492 the configured assembler supports the x87's ffreep mnemonic.
5493 * configure: Regenerate.
5494 * config.in: Regenerate.
5496 * config/i386/i386.c (output_387_ffreep): New function.
5497 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5498 (output_387_reg_move): Likewise.
5500 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5502 Port to hosts whose 'sort' and 'tail' implementations
5503 treat operands with leading '+' as file names, as POSIX
5504 has required since 2001. However, make sure the code still
5505 works on pre-POSIX hosts.
5506 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5507 which says you should use "tail -c +N" rather than "tail +Nc".
5508 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5510 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5512 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5515 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5518 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5519 PRE_{INC,DEC} of TFmode.
5521 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5522 Alan Modra <amodra@bigpond.net.au>
5525 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5528 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5531 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5532 Remove duplicate gtu.
5534 2006-07-05 Jason Merrill <jason@redhat.com>
5538 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5539 * c-common.c (handle_packed_attribute): So don't copy it here.
5540 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5542 2006-07-05 Mike Stump <mrs@apple.com>
5544 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5546 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5549 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5551 2006-07-05 Richard Guenther <rguenther@suse.de>
5554 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5555 TARGET_SSE2 targets if using SSE math.
5556 (*absdf2_1): Likewise.
5558 2006-07-05 Richard Guenther <rguenther@suse.de>
5560 PR tree-optimization/28162
5561 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5562 make sure to convert the operands to the correct type.
5564 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5566 PR tree-optimization/28218
5568 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5569 to calculate and free the dominator information.
5571 2006-07-04 Peter O'Gorman <peter@pogma.com>
5573 * mklibgcc.in: chmod 644 before ranlib during install.
5575 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5576 J"orn Rennecke <joern.rennecke@st.com>
5578 * configure.ac (.eh_frame data check): Use diff -b.
5580 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5583 * Makefile.in (BUILD_RTL): Add build/vec.o.
5584 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5585 (build/genextract): Delete.
5586 (build/genautomata): Likewise.
5588 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5591 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5592 128-bit IBM long doubles for ABI_V4.
5594 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5596 * tree.c (range_in_array_bounds_p): New predicate.
5597 * tree.h (range_in_array_bounds_p): Declare it.
5598 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5599 return a less conservative answer.
5600 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5601 and flag 'is_group'.
5602 (IS_ELEMENT_FOR_GROUP): New macro.
5603 (FOR_EACH_ACTUAL_CHILD): Likewise.
5604 (next_child_for_group): New helper function.
5605 (can_completely_scalarize_p): Take into account groups.
5606 (sra_hash_tree): Handle RANGE_EXPR.
5607 (sra_elt_eq): Likewise.
5608 (lookup_element): Be prepared for handling groups.
5609 (is_valid_const_index): Delete.
5610 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5611 instead of is_valid_const_index.
5612 <ARRAY_RANGE_REF>: New case.
5613 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5614 is_valid_const_index.
5615 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5616 (scan_dump): Dump info for groups too.
5617 (decide_instantiation_1): Likewise.
5618 (decide_block_copy): Assert that the element is not a group.
5619 Propagate decision to groups.
5620 (generate_one_element_ref): Handle RANGE_EXPR.
5621 (mark_no_warning): Iterate over actual childs.
5622 (generate_copy_inout): Likewise.
5623 (generate_element_copy): Likewise.
5624 (generate_element_zero): Likewise.
5625 (generate_element_init_1): Likewise.
5626 (dump_sra_elt_name): Handle RANGE_EXPR.
5628 2006-07-03 Roger Sayle <roger@eyesopen.com>
5630 PR tree-optimization/26251
5631 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5632 (thread_block): When optimizing for size refuse to thread jumps
5633 that would require duplication of blocks other than redirection
5636 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5638 * configure.ac: Fix thinko in previous check-in.
5639 * configure: Regenerate.
5641 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5644 * configure.ac (for lang...): Simplify nesting of conditionals.
5645 Test subdir_requires for non-enabled languages. Move processing
5646 of lang_opt_files and lang_tree_fiels below that test.
5647 * configure: Regenerate.
5648 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5650 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5652 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5654 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5656 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5659 2006-06-29 Jason Merrill <jason@redhat.com>
5666 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5667 * c-common.c (c_determine_visibility): Handle it here.
5668 * c-decl.c (finish_decl): Call c_determine_visibility for
5670 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5672 * varasm.c (default_assemble_visibility): Likewise.
5673 * c-common.c (handle_visibility_attribute): Complain about trying
5674 to give visibility to an already defined class, or trying to change
5675 declared visibility. Always attach the attribute.
5680 * attribs.c (decl_attributes): Ignore type-in-place attributes
5681 once the type has been defined.
5683 2006-06-29 Roger Sayle <roger@eyesopen.com>
5686 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5687 to indicate the cpplib has issued an error message for us.
5689 2006-06-29 Asher Langton <langton2@llnl.gov>
5692 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5693 insert a label at the end of an function under Mach-O.
5695 2006-06-29 Eric Christopher <echristo@apple.com>
5696 Evan Cheng <evan.cheng@apple.com>
5698 * predicates.md (vector_all_ones_operand): New.
5699 (nonimmediate_or_sse_const_operand): Ditto.
5700 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5701 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5702 (standard_sse_mode_p): Ditto.
5703 (standard_sse_constant_p): Add case for -1 vector.
5704 (ix86_expand_vector_move): Try to use.
5705 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5706 Call standard_sse_constant_opcode.
5707 (*movv4sf_internal): Ditto.
5708 (*movv2df_internal): Ditto.
5710 2006-06-29 Roger Sayle <roger@eyesopen.com>
5712 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5713 of XEXP to extract the operands of a MATCH_CODE rtx.
5715 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5717 * tree.c (tree_size): Do not waste tail padding in
5718 struct tree_string and make the size be the same as
5719 build_string will generate.
5721 2006-06-28 Jason Merrill <jason@redhat.com>
5724 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5725 may_aliases already in the tag's annotations to the bitmap.
5727 2006-06-28 Roger Sayle <roger@eyesopen.com>
5729 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5731 2006-06-28 Roger Sayle <roger@eyesopen.com>
5733 * genpreds.c (generate_switch_p): New function.
5734 (add_mode_tests): Push the new mode test down inside an AND expr
5735 if this allows the switch-suitable MATCH_CODE to be near the root.
5736 (write_match_code_switch): New function to write a MATCH_CODE as
5738 (write_predicate_stmts): New function to write a predicate RTX
5739 expression as a sequence of statements.
5740 (write_one_predicate_function): Use write_predicate_stmts.
5741 (write_tm_constrs_h): Likewise.
5743 2006-06-26 Fred Fish <fnf@specifix.com>
5745 * config/mips/t-sb1: New file.
5746 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5749 2006-06-26 DJ Delorie <dj@redhat.com>
5751 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5753 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5754 Jayant Sonar <jayants@kpitcummins.com>
5755 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5757 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5758 (subsi3, subsi3_1, subsi3_2): New.
5759 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5760 * config/m32c/mov.md (SI mov peephole): New.
5761 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5762 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5764 2006-06-26 Olivier Hainque <hainque@adacore.com>
5766 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5767 a CALL_EXPR target function declaration.
5769 2006-06-26 Richard Guenther <rguenther@suse.de>
5771 * tree.c (build_string): Do not waste tail padding in
5774 2006-06-26 Richard Guenther <rguenther@suse.de>
5776 * ggc-page.c (init_ggc): Add missing element to size_lookup
5780 2006-06-23 Richard Guenther <rguenther@suse.de>
5782 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5783 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5784 alignment requests instead. Add verification code.
5785 Add struct tree_function_decl and struct tree_binfo size to
5786 extra_order_size_table. Add missing element to size_lookup
5789 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5792 * fold-const.c (const_binop): Be prepared for self returning zero.
5793 Simplify code handling complex values.
5795 2006-06-24 Olivier Hainque <hainque@adacore.com>
5797 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5798 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5801 2006-06-24 Olivier Hainque <hainque@adacore.com>
5803 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5804 ARRAY_REF, so have the callback called for the low bound expression.
5806 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5808 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5809 * c-typeck.c (c_common_type): Disallow operations on decimal float
5810 types and other float types.
5811 * convert.c (convert_to_real): Don't ignore conversions involving
5812 decimal float types.
5814 2006-06-23 Olivier Hainque <hainque@adacore.com>
5816 * tree.c (max_int_size_in_bytes): New function, inspired from
5817 code in function.c:assign_temp.
5818 * tree.h (max_int_size_in_bytes): Declare.
5819 * function.c (assign_temp): Use it.
5820 * gimplify.c (create_tmp_var): Relax the assertions on the type
5821 properties, not mandating constant size any more.
5822 (force_constant_size): New static function.
5823 (gimple_add_tmp_var): Use it, forcing variable size to a
5824 constant upper bound if it is not constant on entry.
5826 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5829 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5830 for initialization and setting of one_only flag to ...
5831 (i386_pe_encode_section_info): ...here.
5832 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5833 Recheck that the symbol has not been defined.
5835 2006-06-23 Richard Guenther <rguenther@suse.de>
5837 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5838 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5839 alignment requests instead. Add verification code.
5840 Add struct tree_function_decl and struct tree_binfo size to
5841 extra_order_size_table. Add missing element to size_lookup
5844 2006-06-22 Roger Sayle <roger@eyesopen.com>
5845 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5848 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5849 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5851 2006-06-23 Ben Elliston <bje@au.ibm.com>
5853 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5854 negate dn -- manipulate it directly.
5856 2006-06-22 Roger Sayle <roger@eyesopen.com>
5857 Steven Bosscher <stevenb.gcc@gmail.com>
5860 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5861 generated by gen_move_insn to add REG_LABEL notes if necessary.
5863 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5865 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5866 (leaf_entry): Remove use of MIN_ESA.
5868 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5870 PR rtl-optimization/28121
5871 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5874 2006-06-21 DJ Delorie <dj@redhat.com>
5876 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5878 (mulhisi3_r): Likewise.
5880 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5883 * coverage.c (coverage_counter_alloc): Leave the index type
5885 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5888 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5890 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5891 section from the "Options for Code Generation Conventions".
5893 2006-06-21 Richard Henderson <rth@redhat.com>
5897 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5899 (global_symbolic_operand): Allow weak symbols, even if local_p.
5901 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5903 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5904 (find_interesting_uses_address): Punt if above function returns true.
5906 2006-06-21 Richard Guenther <rguenther@suse.de>
5908 * configure: Regenerated.
5910 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5912 * config/mips/mips.c (function_arg): Where one part of a
5913 complex argument is in registers and the other part in the stack,
5914 return a REG not a PARALLEL.
5916 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5918 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5919 when cross-compiling. Do not substitute libstdcxx_incdir.
5920 * configure: Regenerated.
5922 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5924 * varasm.c (mergeable_string_section): Check for embedded NULs and
5925 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5926 rather than TREE_STRING_LENGTH bytes.
5928 2006-06-21 Richard Guenther <rguenther@suse.de>
5930 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5931 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5934 2006-06-21 Richrad Guenther <rguenther@suse.de>
5936 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5937 Limit iteration over the dominators.
5939 2006-06-20 Roger Sayle <roger@eyesopen.com>
5941 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5942 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5944 2006-06-20 Richard Guenther <rguenther@suse.de>
5945 Michael Matz <matz@suse.de>
5947 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5949 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5950 * et-forest.h (et_free_pools): Prototype new function.
5951 * et-forest.c (et_free_tree_force): Free parent occurrence.
5952 (et_free_pools): New function.
5953 * dominance.c (free_dominance_info): Free et-forest alloc
5956 2006-06-20 Roger Sayle <roger@eyesopen.com>
5958 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5959 integer modes, attempt to directly construct an integer constant.
5961 * fold-const.c (native_encode_vector): Determine the size of each
5962 element from the vector type instead of the first vector element.
5964 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5965 if all of its elements/components are constant.
5966 (build_constructor_from_list): Likewise.
5968 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5970 PR tree-optimization/27331
5971 * tree-data-ref.c (free_data_ref): New function.
5972 (create_data_ref): Fail if the data reference has unknown access
5974 (free_data_refs): Use free_data_ref.
5976 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5979 * tree-inline.c (setup_one_parameter): Strip useless
5980 type conversion before adding it to the IR.
5981 (declare_return_variable): Likewise.
5983 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5986 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5988 2006-06-19 Mike Stump <mrs@apple.com>
5990 * tree.c (variably_modified_type_p): VM arguments don't make the
5993 2006-06-19 Richard Guenther <rguenther@suse.de>
5995 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5996 type conversions after folding.
5998 2006-06-19 Richard Guenther <rguenther@suse.de>
6000 * ggc-page.c (extra_order_size_tab): Add entries with
6001 size of struct function and basic_block.
6002 (size_lookup): Extend to cover sizes up to 511.
6003 (ggc_alloc_stat): Adjust user.
6004 (ggc_pch_count_object): Likewise.
6005 (ggc_pch_alloc_object): Likewise.
6006 (ggc_pch_write_object): Likewise.
6008 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6010 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6011 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6014 2006-06-19 Denis Chertykov <denisc@overta.ru>
6016 * config/avr/libgcc.S : Correct my wrong previous commit.
6018 2006-06-19 Roger Sayle <roger@eyesopen.com>
6021 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6022 have stripped a SUBREG from the shift count, so we may need to
6023 convert_to_mode back to the type's mode before calling make_tree.
6024 Use new_amount instead of amount to avoid expanding a tree twice.
6026 2006-06-19 Richard Guenther <rguenther@suse.de>
6029 * fold-const.c (operand_equal_p): Check if the argument types
6030 have the same precision before stripping NOPs.
6032 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6034 Fix PR tree-optimization/27341
6035 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6037 * tree-complex.c (pass_lower_complex): Update SMT usage.
6039 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6041 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6042 Add a new alternative to the constraint strings. Add move of
6043 operand 1 to 3 to the splitter definition.
6044 ("doloop_si_long"): Second contraint alternative removed.
6046 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6048 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6049 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6051 (AVR_HAVE_MOVW) Define.
6052 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6053 (ASM_SPEC): Add avr25.
6054 (LINK_SPEC): Add avr25.
6055 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6056 (base_arch_s): Add new member 'have_movw_lpmx'.
6057 (avr_arch_types): Init 'have_movw_lpmx'.
6058 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6059 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6060 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6061 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6062 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6064 (avr_file_start): Do not output '.arh' derective.
6065 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6066 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6067 * config/avr/avr.md (mcu_enhanced): Delete.
6068 (mcu_have_movw): Define.
6069 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6070 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6071 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6072 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6073 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6074 attiny861 and at86rf401 devices.
6076 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6078 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6081 2006-06-17 Karl Berry <karl@gnu.org>
6083 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6084 doc/gccint.texi, doc/install.texi (@dircategory): Use
6085 "Software development" instead of "Programming", following
6086 the Free Software Directory.
6088 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6090 * config/i386/i386.c (legitimate_tls_address)
6091 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6092 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6093 (*tls_dynamic_gnu2_combine_64): Likewise.
6095 2006-06-16 Richard Guenther <rguenther@suse.de>
6098 * fold-const.c (negate_expr_p): Do not introduce undefined
6099 overflow in negating INTEGER_CSTs.
6100 (fold_negate_expr): Rename from negate_expr. Revert last
6101 change for folding BIT_NOT_EXPR. Change semantics to
6102 return NULL_TREE for non-simplified negations. Do not
6103 strip type conversions and unify type handling.
6104 (negate_expr): New function, wrap around fold_negate_expr
6105 but ensure building a tree always. Strip type conversions
6106 here, fold to result type.
6107 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6109 2006-06-16 Roger Sayle <roger@eyesopen.com>
6112 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6113 that (would) return their results in stack registers.
6115 2006-06-16 Michael Matz <matz@suse.de>
6116 Richard Guenther <rguenther@suse.de>
6118 * fold-const.c (fold_truthop): Only return new tree node if
6119 we canonicalized something.
6121 2006-06-16 Richard Guenther <rguenther@suse.de>
6123 * function.h (enum function_frequency): Move declaration
6124 out of struct function.
6125 (struct function): Move bool fields and the enum to the bitfield
6126 section. Reorder elements to avoid padding. Remove unused
6127 fields left over from the RTL inliner removal.
6128 * function.c (free_after_compilation): Do not zero removed fields.
6129 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6130 (ipa-type-escape.o): Likewise.
6132 2006-06-16 Richard Guenther <rguenther@suse.de>
6134 * cgraph.h (struct cgraph_local_info): Turn bool elements
6136 (struct cgraph_node): Likewise.
6137 (struct cgraph_varpool_node): Likewise.
6139 2006-06-15 Richard Guenther <rguenther@suse.de>
6141 * fold-const.c (fold_truth_not_expr): Rename from
6142 invert_truthvalue. Give it fold_* semantics to avoid
6144 (invert_truthvalue): New function. Wrapper around
6145 fold_truth_not_expr.
6146 (optimize_minmax_comparison): Avoid creating garbage.
6147 (fold_unary): Use fold_truth_not_expr for folding
6149 (fold_ternary): Replace uses of invert_truthvalue with
6150 fold_truth_not_expr where applicable.
6151 * tree.h (fold_truth_not_expr): Prototype.
6153 2006-06-16 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/27781
6156 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6157 * ipa-pure-const.c (target.h): Include.
6158 (analyze_function): Do not analyze functions that do not
6161 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6164 * tree-dfa.c (referenced_vars_dup_list): Remove.
6165 (find_referenced_vars): Remove assert.
6166 (referenced_var_check_and_insert): Replace dup list with assert.
6167 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6168 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6170 2006-06-15 Richard Guenther <rguenther@suse.de>
6172 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6173 extra unused identifiers if not dumping.
6174 (create_variable_info_for): Likewise.
6176 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6178 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6179 (derive_constant_upper_bound): Derive more precise upper bound in
6180 common cases. Return type changed to double_int.
6181 (record_estimate): Reflect the changed return type of
6182 derive_constant_upper_bound.
6183 * double-int.c (double_int_zext, double_int_sext): Fix.
6185 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6187 * configure.ac (CFLAGS): Get them from the toplevel or from the
6188 configure invocation.
6189 * configure: Regenerate.
6190 * Makefile.in (CFLAGS): Substitute value provided by configure.
6192 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6195 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6196 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6197 rather than calling add_stmt on it.
6198 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6200 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6203 * reload1.c (reload): Remove registers returned by update_eliminables
6204 from used_spill_regs.
6206 2006-06-13 DJ Delorie <dj@redhat.com>
6208 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6210 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6212 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6213 html__strip_dir, html__mkdir_p. Enhance install-html target.
6214 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6215 * configure: Regenerate.
6217 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6219 * fold-const.c (fold_cond_expr_with_comparison): Check for
6220 Objective-C++ as language in deciding COND_EXPR transformation.
6222 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6225 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6226 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6227 * config/sh/lib1funcs.h (SL, SL1): Define.
6228 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6229 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6230 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6231 (OBJS_Os_4_200): New variable.
6232 ($(T)libgcc-Os-4-200.a): Use it.
6233 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6234 when dividing 1 and/or by 0.
6236 2006-06-13 Roger Sayle <roger@eyesopen.com>
6238 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6239 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6240 * configure: Regenerate.
6242 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6244 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6245 for real instruction.
6247 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6250 * haifa-sched.c (check_cfg): Handle special case.
6252 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6255 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6256 Add debug_info parameter. Chain the vars to the BLOCK instead
6257 of the BIND_EXPR if debug info are requested for them.
6258 (pop_gimplify_context): Adjust for above change.
6259 (gimple_add_tmp_var): Likewise.
6260 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6262 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6263 (convert_local_reference): Likewise.
6264 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6265 (finalize_nesting_tree_1): Request that debug info be emitted
6266 for debug_var_chain.
6268 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6270 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6271 for PR target/27863.
6273 2006-06-13 Richard Guenther <rguenther@suse.de>
6276 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6278 2006-06-13 Richard Guenther <rguenther@suse.de>
6280 PR tree-optimization/27830
6281 * tree-inline.c (copy_body_r): For copying the operand
6282 of an ADDR_EXPR make sure to fold &* afterwards.
6284 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6286 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6287 lvalues in the fb_none case with side-effects.
6289 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6291 * tree-flow.h: Remove the prototype for
6292 compute_phi_arg_on_exit.
6293 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6294 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6297 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6299 * builtins.c (expand_builtin_return_addr): Only use
6300 frame_pointer_rtx when count == 0 and we are expanding
6301 __builtin_return_address.
6303 2006-06-12 Fred Fish <fnf@specifix.com>
6305 * config/mips/mips.c (mips_file_start): Create special section
6306 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6308 2006-06-11 Eric Christopher <echristo@apple.com>
6311 * stor-layout.c (place_field): Remove check for
6312 remaining_in_alignment when aligning at the end of a run.
6314 2006-06-11 Eric Christopher <echristo@apple.com>
6317 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6320 2006-06-11 Roger Sayle <roger@eyesopen.com>
6323 Revert incorrect fix for PR target/27158
6324 2006-05-08 Roger Sayle <roger@eyesopen.com>
6325 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6326 of a reg_equiv_constant if the result is a legitimate constant.
6328 2006-06-11 Roger Sayle <roger@eyesopen.com>
6331 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6332 extract a CONST_VECTOR element and interpret it as an integer.
6333 (vspltis_constant): Use const_vector_elt_as_int instead of the
6334 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6335 * config/rs6000/predicates.md (easy_vector_const): Consider
6336 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6338 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6341 * stor-layout.c (update_alignment_for_field): Don't add extra
6342 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6345 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6347 * config/mips/t-rtems: Add EL/EB multilib variants.
6349 2006-06-09 Mike Stump <mrs@apple.com>
6351 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6353 2006-06-09 David Daney <ddaney@avtrex.com>
6355 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6357 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6359 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6361 2006-06-09 Richard Guenther <rguenther@suse.de>
6363 PR tree-optimization/26998
6364 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6365 of signed types, only TYPE_MIN_VALUE is special, but for both,
6366 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6367 in this case, as is -fwrapv.
6369 2006-06-08 Mike Stump <mrs@apple.com>
6372 * config/darwin.c (darwin_asm_output_anchor): Disable
6373 -fsection-anchors on darwin for now.
6374 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6375 * rs6000/rs6000.c (optimization_options): Likewise.
6377 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6380 * config/i386/i386.c (classify_argument): Skip fields with invalid
6383 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6385 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6386 (cse_insn): Likewise for the stack_pointer_rtx.
6388 2006-06-08 Roger Sayle <roger@eyesopen.com>
6390 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6391 conditions from floating point comparisons.
6393 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6396 * expmed.c (struct alg_hash_entry): Fix type of field T
6397 to match synth_mult argument.
6398 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6400 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6403 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6406 2006-06-08 Richard Guenther <rguenther@suse.de>
6409 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6410 only, if overflow is defined and not trapping.
6411 (negate_expr): Likewise.
6413 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6415 PR tree-optimization/27872
6416 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6417 flag on the new exit edge of the unrolled loop.
6419 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6421 PR rtl-optimization/26449
6422 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6424 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6427 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6428 referenced_variables with matching DECL_UID's.
6429 (find_referenced_vars): Make sure duplicate list is empty to start.
6430 (referenced_var_p): Remove.
6431 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6432 Check if var is in the list, and add if needed. Update the duplicate
6433 list if a different var is in the list with the same DECL_UID.
6434 (add_referenced_var): Call routine to check and insert.
6435 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6436 * tree-flow.h (referenced_vars_dup_list): External declaration.
6438 2006-06-07 Fred Fish <fnf@specifix.com>
6440 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6443 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6446 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6447 the imaginary and real parts of a clobbered register.
6448 Emit insn to set the imaginary part.
6450 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6452 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6453 in lieu of unwind-dw2-fde.c.
6455 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6457 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6459 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6462 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6463 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6464 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6465 V4SImode temporaries and operations instead.
6467 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6469 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6472 2006-06-06 Mike Stump <mrs@apple.com>
6474 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6475 installing during build.
6477 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6479 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6481 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6482 * config/ia64/ia64.c (params.h): New header.
6483 (ia64_optimization_options): New function to adjust parameters.
6484 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6485 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6486 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6488 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6490 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6492 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6495 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6497 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6498 Victor Kaplansky <victork@il.ibm.com>
6500 PR tree-optimization/26360
6501 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6504 2006-06-04 Roger Sayle <roger@eyesopen.com>
6505 Andrew Pinski <pinskia@physics.uc.edu>
6508 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6509 for LABEL_DECL before calling DECL_WEAK.
6512 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6513 LABEL_DECL and PARM_DECL.
6515 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6519 * c-decl.c (grokdeclarator): Disallow variably modified types at
6520 file scope. Avoid marking shared array type of constant size as
6523 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6526 * c-common.c (fold_offsetof_1): Handle static members.
6528 2006-06-04 Eric Christopher <echristo@apple.com>
6530 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6531 (debug_rli): Output value for remaining_in_alignment.
6532 (update_alignment_for_field): Unconditionalize
6533 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6534 extra alignment code.
6535 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6536 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6537 * tree.h (record_layout_info_s): Remove prev_packed.
6538 * doc/extend.texi (ms_struct): Add documentation of format.
6540 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6542 * tree.h: Declare folding_initializer.
6543 * builtins.c (fold_builtin_constant_p): Give definite answer
6544 if folding inside an initializer.
6545 * fold-const.c: Define folding_initializer.
6546 (START_FOLD_INIT): Save and then set folding_initializer.
6547 (END_FOLD_INIT): Restore folding_initializer.
6549 2006-06-04 Richard Guenther <rguenther@suse.de>
6551 PR tree-optimization/27039
6552 * fold-const.c (fold_comparison): Handle pointer comparison
6553 again for all comparison codes. Compare offsets in signed
6555 (fold_binary): Move code from here.
6557 2006-06-03 Roger Sayle <roger@eyesopen.com>
6560 * config/i386/i386.c (construct_container): Split static issued_error
6561 flag into issued_sse_arg_error, issued_sse_ret_error and
6562 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6563 requires the use of x87 registers and the user explicitly
6564 specified the -mno-80387 command line option.
6566 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6568 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6569 HAVE_DECL_SIGALTSTACK.
6571 (segv_handler): Use MC_FLD.
6572 * configure.ac: Check for a sigaltstack declaration.
6573 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6574 * configure: Regenerate.
6575 * config.in: Regenerate.
6577 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6580 * Makefile.in (stmp-fixinc): Fix typo.
6582 2006-06-02 Roger Sayle <roger@eyesopen.com>
6584 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6585 are type correct. Clean-up.
6586 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6587 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6589 2006-06-01 DJ Delorie <dj@redhat.com>
6591 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6592 shift, as we've disabled the "switch" insn that needs it.
6594 2006-06-01 Per Bothner <bothner@bothner.com>
6596 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6597 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6598 * c-ppoutput.c (cb_define): Don't increment line 0.
6600 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6602 * doc/invoke.texi: Add cpu_type power6.
6603 * config.gcc: Add cpu_type power6.
6604 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6605 to power5+ with Altivec.
6606 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6607 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6609 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6611 * config/avr/avr.h (SET_ASM_OP): Define.
6613 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6615 * config/bfin/bfin.c: Fix comment typos.
6617 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6620 * doc/install.texi: Document --enable-bootstrap and
6621 --disable-bootstrap.
6623 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6625 * doc/install.texi: Document that InfoZIP can replace jar.
6627 2006-05-31 Roger Sayle <roger@eyesopen.com>
6629 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6630 isn't available, directly generate the simpler x87 patterns without
6631 the (use (const_int 0)).
6632 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6633 implementation isn't available.
6634 (*negdf2_1): Likewise.
6635 (*negxf2_1): XF mode negation is always done using the x87.
6636 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6638 2006-05-31 Roger Sayle <roger@eyesopen.com>
6640 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6641 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6643 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6645 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6647 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6648 * config/bfin/bfin.c (basic-block.h): Include.
6649 (struct machine_function): New.
6650 (bfin_init_machine_status): New.
6651 (override_options): Initialize init_machine_status.
6652 (bfin_hardware_loop): New.
6653 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6654 (DEF_VEC_P (loop_info)): New.
6655 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6656 (struct loop_info): New.
6657 (loop_info): New typedef.
6658 (struct loop_work): New.
6659 (loop_work): New typedef.
6660 (DEF_VEC_O (loop_work)): New.
6661 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6662 (bfin_dump_loops): New.
6663 (bfin_bb_in_loop): New.
6664 (bfin_scan_loop): New.
6665 (bfin_optimize_loop): New.
6666 (bfin_reorg_loops): New.
6667 (bfin_reorg): Use bfin_reorg_loops.
6668 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6670 (I_REGNO_P): Simplify.
6671 (DP_REGNO_P, DPREG_P): New macros.
6672 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6673 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6674 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6675 Add LT_REGS, LC_REGS, LB_REGS.
6676 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6678 (REGNO_REG_CLASS): Deal with loop registers.
6679 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6681 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6682 New constants for loop registers.
6683 (UNSPEC_LSETUP_END): New.
6684 (seq_insns): New define_attr. Set it for appropriate insns.
6685 (movsi_insn): Add alternatives for move from/to
6686 loop count registers.
6687 (doloop_end): New define_expand.
6688 (loop_end): New define_insn.
6689 (define_split for bad doloop_end): New.
6690 (lsetup_with_autoinit): New define_insn.
6691 (lsetup_without_autoinit): New define_insn.
6692 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6693 * config/bfin/predicates.md (lc_register_operand): New.
6694 (lt_register_operand): New.
6695 (lb_register_operand): New.
6696 (nondp_register_operand): New.
6697 (nondp_reg_or_memory_operand): New.
6698 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6700 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6702 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6703 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6705 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6707 * Makefile.in (CATALOGS): Add po/ prefix.
6708 * configure: Regenerated.
6710 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6713 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6714 a shift operand before calling shift_op. Avoid redundant call of
6717 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6718 DJ Delorie <dj@redhat.com>
6720 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6721 we're inserting is a singlt-bit constant.
6723 2006-05-30 Roger Sayle <roger@eyesopen.com>
6725 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6726 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6728 2006-05-30 Roger Sayle <roger@eyesopen.com>
6730 PR tree-optimization/23452
6731 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6732 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6733 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6734 complex values and with -ffast-math for FP complex values.
6736 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6738 * c-common.h: Remove the prototype for yyparse.
6739 * rtl.h: Remove the prototype for init_loop.
6741 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6743 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6746 2006-05-30 Roger Sayle <roger@eyesopen.com>
6748 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6750 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6751 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6753 2006-05-30 Dirk Mueller <dmueller@suse.de>
6756 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6757 for CONSTANT_CLASS_P expresisons.
6759 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6762 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6764 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6766 PR tree-optimization/27779
6767 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6768 initial_condition instead of CHREC_LEFT.
6770 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6772 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6773 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6774 Make prototypes ISO C90.
6776 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6777 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6779 * see.c (see_analyze_one_def): Correct check.
6780 (see_get_extension_data): Check if extension is parallel.
6781 (see_get_extension_reg): Likewise.
6783 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6786 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6787 into register for (code == GTU).
6789 2006-05-29 Roger Sayle <roger@eyesopen.com>
6791 PR tree-optimization/24964
6792 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6793 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6794 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6795 abs(x)*abs(x) as x*x for scalar floating point modes.
6797 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6800 * lambda-code.c (perfect_nestify): Don't copy statements
6801 in the inner loop: move them to the inner loop header.
6803 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6806 * c-tree.texi: Document OpenMP directives and clauses.
6808 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6810 * varasm.c (globalize_decl): Fix indentation.
6812 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6815 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6816 pass_fre, pass_store_ccp, pass_copy_prop,
6817 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6818 pass_return_slot, pass_object_size, pass_lim,
6819 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6820 pass_loop_prefetch and pass_stdarg.
6822 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6824 * config/bfin/bfin.opt (mfdpic): New option.
6825 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6826 (EXTRA_MULTILIB_PARTS): Likewise.
6827 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6828 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6830 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6831 (CRT_CALL_STATIC_FUNCTION): New.
6832 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6834 (CRT_CALL_STATIC_FUNCTION): New.
6835 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6837 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6838 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6839 (initialize_trampoline): Changed to handle FD-PIC code generation.
6840 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6841 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6842 (override_options): Disallow -mid-shared-library -mfdpic combination.
6843 Can't do unaligned ops if FD-PIC.
6844 Turn off flag_pic if trying to generate non-id-shared-library
6845 non-fdpic code, since it's not supported.
6846 (bfin_assemble_integer): New function.
6847 (TARGET_ASM_INTEGER): Define.
6848 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6850 * config/bfin/crtn.s: Restore them.
6851 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6853 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6854 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6855 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6856 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6857 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6859 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6860 FDPIC_REGS and FDPIC_FPTR_REGS.
6861 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6862 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6863 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6864 (load_funcdescsi): New pattern.
6865 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6866 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6867 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6869 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6871 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6874 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6876 * tree-flow.h: Remove the prototype for add_type_alias.
6877 * tree-ssa-alias.c (add_type_alias): Remove.
6879 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6881 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6882 config/fr30/fr30.md, config/i386/i386-interix.h,
6883 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6884 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6885 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6886 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6887 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6888 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6889 Follow spelling conventions.
6890 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6891 Follow spelling conventions.
6893 2006-05-27 Richard Guenther <rguenther@suse.de>
6896 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6897 to produce a constant of value 1 of generic type.
6899 2006-05-27 Dirk Mueller <dmueller@suse.de>
6901 * cgraphunit.c (decide_is_function_needed): Fix wrong
6904 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6906 PR rtl-optimization/27661
6907 * reload.c (find_reloads): When reloading a VOIDmode constant
6908 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6909 use Pmode as mode of the reload register.
6911 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6913 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6914 is enabled at -O and above.
6916 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6919 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6922 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6925 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6926 for anonymous variables explicitly declared by front ends.
6928 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6930 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6931 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6932 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6933 ref-all pointers, run a finalization pass for them.
6934 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6935 (finalize_ref_all_pointers): New function.
6936 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6937 regular pointer type to a ref-all pointer type.
6938 (get_tmt_for): Return the special memory tag for ref-all pointers.
6940 2006-05-25 Richard Guenther <rguenther@suse.de>
6943 * fold-const.c (fold_binary): Do not look at the stripped
6944 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6946 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6948 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6949 for LT and GT if the computed range is effectively empty.
6951 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6954 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6955 mips_quad_format formats instead of ieee_single_format,
6956 ieee_double_format and ieee_quad_format formats, respectively.
6958 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6960 PR tree-optimization/27639
6961 PR tree-optimization/26719
6962 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6963 call to scev_probably_wraps_p.
6964 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6965 used_in_pointer_arithmetic_p, convert_step): Removed.
6966 (nowrap_type_p): New function.
6967 (scev_probably_wraps_p): Rewritten.
6968 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6969 chrec_convert if chrec_convert_aggressive might have been used.
6970 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6971 scev_direction): New functions.
6972 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6973 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6974 instead of convert_step.
6975 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6976 (convert_step): Declaration removed.
6977 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6979 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6981 * df-core.c: Added to header comments.
6982 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6983 df_ur_bb_info, df_urec_bb_info): Added comments.
6984 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6985 urec, ri problems): Fixed header comments.
6986 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6987 code from df_rd_transfer_function.
6989 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6991 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6992 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6993 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6995 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6997 * expr.c (undefined_operand_subword_p): New.
6998 (emit_move_multi_word): Do not generate move from undefined bits
6999 of a paradoxical subreg.
7001 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7003 PR rtl-optimization/27736
7004 * combine.c (replaced_rhs_value): New variable.
7005 (combine_instructions): Set it.
7006 (distribute_notes): When distributing a note in replaced_rhs_insn,
7007 check whether the value was used in replaced_rhs_value.
7009 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7012 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7013 add_referenced_var instead of add_referenced_tmp_var.
7014 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7015 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7017 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7018 tree_optimize_tail_calls_1): Use add_referenced_var.
7019 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7020 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7021 Use add_referenced_var.
7022 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7023 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7024 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7025 Use add_referenced_var.
7026 * tree-dfa.c (struct walk_state): Remove.
7027 (find_referenced_vars): Remove walk state and vars_found hash table.
7028 (make_rename_temp): Use add_referenced_var.
7029 (find_vars_r): Pass less parameters to add_referenced_var.
7030 (referenced_var_p): New. Is var in referenced_var hash table.
7031 (referenced_var_insert): Assert var isn't already in hash table.
7032 (add_referenced_var): Don't need walk_state parameter. Add var if it
7033 isn't already in the hash table.
7034 (add_referenced_tmp_var): Remove.
7035 (find_new_referenced_vars_1): Use add_referenced_var.
7036 * tree-ssa-pre.c (create_expression_by_pieces,
7037 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7038 Use add_referenced_var.
7039 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7040 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7041 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7043 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7044 vect_create_data_ref_ptr, vect_create_destination_var,
7045 vect_init_vector, vect_build_loop_niters,
7046 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7047 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7048 Use add_referenced_var.
7049 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7050 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7051 (add_referenced_var): Add prototype.
7052 * tree-ssa-structalias.c (get_constraint_for,
7053 intra_create_variable_infos): Use add_referenced_var.
7055 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7057 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7058 big-endian paradoxical subregs.
7059 * var-tracking.c (struct micro_operation_def): Document that,
7060 for modify micro operations, insn is the subsequent instruction.
7061 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7062 (var_reg_set, var_mem_set): ... new functions.
7063 (add_stores): Record subsequent insn.
7064 (compute_bb_dataflow): Use new functions for MO_USE.
7065 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7066 notes after the insn, and modify notes before the insn known
7067 to be the subsequent one.
7068 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7070 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7073 * config/i386/i386.c (ix86_expand_builtin): Use
7074 gen_sse3_monitor64 for TARGET_64BIT.
7076 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7078 PR rtl-optimization/26375
7079 PR rtl-optimization/26855
7080 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7082 (df_ru_bb_local_compute): Reversed statements and removed bogus
7083 comment explaining why they should be in wrong order.
7084 (df_ru_dump, df_rd_dump): Enhanced debug info.
7085 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7087 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7088 reaching uses and fixed space problem.
7090 2006-05-23 Jan Hubicka <jh@suse.cz>
7092 * cgraphunit.c (decide_is_function_needed): Also nested functions
7093 and functions declared inline can be optimized out at -O0.
7095 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7097 * doc/install.texi (Configuration): Remove reference to CrossGCC
7101 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7104 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7105 ix86_compare_emitted is non-NULL.
7107 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7110 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7113 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7115 PR rtl-optimization/25514
7116 * combine.c (replaced_rhs_insn): New variable.
7117 (combine_instructions): Set replaced_rhs_insn when trying to replace
7118 a SET_SRC with a REG_EQUAL note.
7119 (distribute_notes): Use replaced_rhs_insn when determining the live
7120 range of a REG_DEAD register.
7122 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7123 Anatoly Sokolov <aesok@post.ru>
7125 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7126 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7127 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7128 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7129 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7130 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7131 at90usb647, at90usb1286 and at90usb1287 devices.
7132 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7133 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7135 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7137 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7139 2006-05-22 Richard Guenther <rguenther@suse.de>
7142 2006-01-31 Richard Guenther <rguenther@suse.de>
7143 Paolo Bonzini <bonzini@gnu.org>
7145 * doc/install.texi (--disable-libgcc-math): Document.
7147 2006-05-22 Richard Guenther <rguenther@suse.de>
7150 2006-01-31 Richard Guenther <rguenther@suse.de>
7152 * doc/invoke.texi (-msselibm): Document.
7153 * target.h (expand_library_builtin): New target hook.
7154 * builtins.c (expand_builtin): Use expand_library_builtin.
7155 (default_expand_library_builtin): New function.
7156 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7157 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7158 (link_gcc_math_spec): Declare.
7159 (static_specs): Add link_gcc_math_spec.
7160 * expr.h (default_expand_library_builtin): Declare.
7161 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7162 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7163 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7164 * config/i386/i386.opt (msselibm): New target option.
7165 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7166 (ix86_init_sse_abi_builtins): New function.
7167 (ix86_expand_library_builtin): Likewise.
7168 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7169 (override_options): Handle error conditions wrt -msselibm.
7170 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7171 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7172 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7175 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7178 * c-common.c (self_promoting_args_p): Skip erroneous args.
7181 * c-decl.c (finish_struct): Skip erroneous fields.
7183 2006-05-22 Nick Clifton <nickc@redhat.com>
7185 * config/cris/cris.opt (march): Remove VarExists attribute.
7186 (max-stackframe=): Likewise.
7188 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7190 * doc/rtl.texi: Fix a typo.
7191 * see.c: Fix comment typos.
7193 * tree-ssa-structalias.h (alias_info): Remove num_references.
7195 2006-05-21 Mike Stump <mrs@apple.com>
7197 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7199 (darwin_pragma_options): Use BAD instead.
7200 (darwin_pragma_unused): Likewise.
7201 (darwin_pragma_ms_struct): Likewise.
7203 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7205 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7207 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7209 PR rtl-optimization/27671
7210 * simplify-rtx.c (simplify_relational_operation_1): Fix
7211 simplifications of (eq/ne (xor x y) y) and
7212 (eq/ne (xor x y) x).
7214 PR tree-optimization/26622.
7215 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7218 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7220 * tree-cfg.c: Prune whitespace.
7221 (debug_tree_cfg): Point to correct header containing the
7224 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7227 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7229 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7232 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7233 or sorry count is non zero.
7235 2006-05-20 Andreas Schwab <schwab@suse.de>
7237 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7239 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7240 Kenneth Zadeck <zadeck@naturalbridge.com>
7242 PR rtl-optimization/26855
7244 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7246 (df_scan_alloc): Added code to properly handle multiword hard
7247 registers and add all_blocks parameter.
7248 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7249 code to properly handle multiword hard registers.
7250 (df_rescan_blocks): Added code to remove deleted blocks from
7252 (df_ref_create_structure, df_ref_record): Added code to properly
7254 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7255 and set DF_REF_PARTIAL.
7256 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7257 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7258 (df_scan_add_problem): Added flags parameter.
7259 (df_ref_create_structure): Changed switching structure.
7260 (df_bb_refs_record): Fixed case where duplicate artificial refs
7261 were created. Changed location of flags.
7262 (df_record_entry_block_defs): Added code to make stack pointer
7263 live in entry block. Refined cases where frame pointer is needed.
7264 Changed location of flags.
7265 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7266 (df_set_state): Removed function.
7267 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7268 df_insn_create_insn_record, df_insn_refs_delete,
7269 df_ref_create_structure): Formatting changes.
7270 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7271 df_delete_basic_block): New function.
7272 (df_init): Changed location of flags.
7273 (df_add_problem): Added flags parameter and the way flags are
7275 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7276 debug_df_chain): Improved debugging output.
7277 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7278 (df_refs_chain_dump): Removed df parameter.
7279 (df_iterative_dataflow): Added consistency check.
7280 (df_prune_to_subcfg): Made public.
7281 (df_analyze_problem): Added blocks_to_init parameter and made
7283 (df_ref_record, df_bb_refs_record, df_mark_reg,
7284 df_record_exit_block_uses): Whitespace changes.
7285 (df_dump): Whitespace changes.
7286 * df.h: Some reordering to remove forward references.
7287 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7288 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7289 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7290 (dataflow.flags): New field.
7291 (df.flag): Deleted field.
7292 (df_alloc_function): Added additional bitmap parameter.
7293 (df_dependent_problem_function): New type.
7294 (df_problem.changeable_flags): New field.
7295 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7296 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7297 (df_mw_hardreg): New struct.
7298 (DF_INSN_UID_MWS): New macro.
7299 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7301 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7302 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7303 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7304 (df_set_state): Removed function.
7305 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7306 * df-problems.c (df_chain_dump): Removed df parameter.
7307 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7308 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7310 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7311 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7312 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7313 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7314 DF_REF_MUST_CLOBBER cases.
7315 (df_ru_bb_local_compute_process_def,
7316 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7317 df_lr_bb_local_compute, df_ur_bb_local_compute,
7318 df_chain_create_bb): Made subreg aware.
7319 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7320 df_lr_bb_local_compute, df_lr_bb_local_compute,
7321 df_chain_create_bb): Cleanup to use proper macros.
7322 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7323 code to fixup bitvectors.
7324 (df_ri_alloc): Cleared lifetime.
7325 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7326 df_create_unused_note): New function.
7327 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7328 REG_DEAD and REG_UNUSED notes as well as register information.
7329 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7330 df_chains_dump): Fixed crash if problem was never run.
7331 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7332 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7333 df_ri_add_problem): Processes flags in uniform manner.
7334 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7335 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7336 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7337 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7338 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7339 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7340 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7341 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7342 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7343 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7344 * see.c (see_initialize_data): Ditto.
7345 * final.c (rest_of_clean_state) Added regstack_completed.
7346 * rtl.h (regstack_completed): Ditto.
7347 * reg-stack.c (regstack_completed): Ditto.
7349 2006-05-19 Mike Stump <mrs@apple.com>
7351 * c-tree.h (default_conversion): Remove.
7352 * c-common.h (default_conversion): Add.
7354 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7356 * tree-vrp.c (valid_value_p): New function.
7357 (adjust_range_with_scev): Fail if the value of bound is not
7360 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7362 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7363 (mips_fallback_frame_state): Use syscall numbers to determine
7364 the appropriate li instruction for the current ABI. Only use
7365 __NR_sigreturn for o32.
7367 2006-05-19 Nicolas Setton <setton@adacore.com>
7369 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7370 * langhooks.c (lhd_dwarf_name): New function.
7371 * langhooks-def.h (lhd_dwarf_name): Declare.
7372 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7373 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7374 * ada/misc.c (gnat_dwarf_name): New function.
7375 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7377 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7379 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7381 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7382 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7383 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7384 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7385 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7386 determine the size of Wtype, etc.
7387 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7388 (swfloatfuncs): New variable.
7389 (dwfloatfuncs): Likewise.
7390 (lib2funcs): Remove floating-point conversion functions from
7391 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7392 the set of conversion routines needed. Allow entries to specify
7393 an object name, filename and word size. Update users accordingly.
7394 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7395 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7399 2006-02-08 Roger Sayle <roger@eyesopen.com>
7402 * config/fixtfdi.c: New libgcc source file.
7403 * config/fixunstfdi.c: New source file.
7404 * config/floatditf.c: New source file.
7405 * config/floatunditf.c: New souce file.
7406 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7407 files above instead of config/mips/_tilib.c.
7408 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7410 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7412 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7413 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7415 2006-05-18 Mike Stump <mrs@apple.com>
7417 Fix up vla, vm and [*] sematics.
7423 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7424 (c_vla_unspec_p): Add.
7425 (c_vla_type_p): Add.
7426 * c-decl.c (struct c_scope): Add had_vla_unspec.
7427 (build_array_declarator): Add support for [*].
7428 (grokdeclarator): Likewise.
7429 (grokparms): Likewise.
7430 (get_parm_info): Likewise.
7431 * c-objc-common.c (c_vla_unspec_p): Likewise.
7432 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7433 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7434 typeof when argument is a variably modified type not inside sizeof or alignof.
7435 (c_parser_direct_declarator_inner): Propagate errors.
7436 (c_parser_sizeof_expression): Add support for [*].
7437 (c_parser_parms_declarator): Initialize had_vla_unspec.
7438 (c_parser_parms_list_declarator): Likewise.
7439 * c-typeck.c (c_vla_type_p): Add.
7440 (composite_type): Add support for vla compositing.
7441 (comptypes_internal): Add support for vla compatibility.
7442 (c_expr_sizeof_expr): Evaluate vla arguments.
7443 * tree.c (variably_modified_type_p): Update comment for [*].
7445 2006-05-18 Michael Matz <matz@suse.de>
7448 * config.host: Make assignments to host_xmake_file cumulative.
7449 * config.host (*-darwin*): Test $host, not $target.
7451 2006-05-12 Stuart Hastings <stuart@apple.com>
7453 * config/i386/i386.opt (-mstackrealign): New flag.
7454 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7455 (ix86_handle_cconv_attribute): Emit error when
7456 force_align_arg_pointer attribute collides with too many regparms.
7457 (ix86_function_regparm): Limit regparms when used with
7458 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7459 Support stack-realigning prologue in non-main functions. Emit
7460 warning for nested functions under -mstackrealign, emit error for
7461 nested functions with force_align_arg_pointer attribute.
7462 * doc/extend.texi (force_align_arg_pointer): Document it.
7463 * doc/invoke.texi (-mstackrealign): Document it.
7465 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7467 PR rtl-optimization/27477
7468 * combine.c (try_combine): Don't split a parallel consisting
7469 of two sets into two individual sets if both sets reference
7472 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7474 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7475 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7477 * doc/options.texi (VarExists): Updated.
7479 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7481 * unwind-dw2.c: Add declarations for uw_update_context and
7483 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7484 detected, advance frame state and context once to skip over stub.
7486 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7490 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7491 Call rewrite_into_loop_closed_ssa only when something changed.
7492 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7493 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7494 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7495 Test for perfect_nest_p here. Fix formating.
7496 (replace_uses_equiv_to_x_with_y): Fix formating.
7497 (stmt_uses_op): Removed.
7498 (can_convert_to_perfect_nest): Removed loopivs parameter.
7499 Complete the test by checking the scalar dependences.
7500 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7503 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7506 From Dan Kegel <dank@kegel.com>:
7507 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7509 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7511 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7512 if the element type is variably modified without recursing.
7514 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7517 * tree-loop-linear.c (try_interchange_loops): Test for
7518 no data dependences.
7520 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7522 PR tree-optimization/27548
7523 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7524 range of ssa names that appear on abnormal edges.
7525 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7526 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7528 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7531 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7533 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7536 * tree.h (OMP_PARALLEL_COMBINED): Define.
7537 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7538 (new_omp_context): Add is_combined_parallel argument.
7539 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7540 new_omp_context caller.
7541 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7542 Adjust gimplify_scan_omp_clauses callers.
7543 (omp_is_private): Issue errors if iteration variable is firstprivate
7544 or reduction in the current context.
7545 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7546 on combined parallel workshare constructs.
7548 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7550 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7551 (gcc-options.o): New rule.
7553 * optc-gen.awk: Protect variables for gcc-options.o with
7554 #ifdef GCC_DRIVER/#endif.
7556 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7558 Fix PR tree-optimization/27373
7559 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7560 (forward_propagate_addr_expr): Update call.
7562 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7564 * doc/options.texi: Move the Negative option.
7566 2006-05-16 Richard Guenther <rguenther@suse.de>
7568 PR tree-optimization/22303
7569 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7571 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7572 ccp_fold did not simplify the statement.
7574 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7577 * Makefile.in (GCC_OBJS): New.
7578 (OBJS-common): Add opts-common.o.
7579 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7580 (cpp$(exeext)): Likewise.
7581 (gcc.o): Also depend on opts.h.
7582 (opts-common.o): New.
7584 * common.opt (gcoff): Add Negative(gdwarf-2).
7585 (gdwarf-2): Add Negative(gstabs).
7586 (gstabs): Add Negative(gstabs+).
7587 (gstabs+): Add Negative(gvms).
7588 (gvms): Add Negative(gxcoff).
7589 (gxcoff): Add Negative(gxcoff+).
7590 (gxcoff+): Add Negative(gcoff).
7591 * config/i386/i386.opt (m32): Add Negative(m64).
7592 (m64): Add Negative(m32).
7594 * doc/options.texi: Document the Negative option.
7596 * gcc.c: Include "opts.h".
7597 (main): Call prune_options after expandargv.
7599 * optc-gen.awk: Generate common declarations for all flag
7600 variables in options.c. Output the neg_index field.
7602 * opts.c (find_opt): Moved to ...
7603 * opts-common.c: Here. New file.
7605 * opts.h (cl_option): Add a neg_index field.
7607 (prune_options): Likewise.
7609 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7612 * omp-low.c (expand_omp_parallel): Don't assert
7613 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7614 instead search for it.
7617 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7620 2006-05-16 Andreas Schwab <schwab@suse.de>
7622 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7625 2006-05-15 Roger Sayle <roger@eyesopen.com>
7628 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7629 integer constants other than zero are only legitimate on TARGET_64BIT.
7630 <CONST_VECTOR> Only zero vectors are legitimate.
7631 (ix86_cannot_force_const_mem): Integral and vector constants can
7632 always be put in the constant pool.
7634 2006-05-16 DJ Delorie <dj@redhat.com>
7636 * crtstuff.c (__dso_handle): Set section from
7637 TARGET_LBIGCC_SDATA_SECTION if defined.
7638 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7639 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7641 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7644 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7647 2006-05-16 Ben Elliston <bje@au.ibm.com>
7649 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7651 2006-05-15 Per Bothner <per@bothner.com>
7653 * tree.c: (last_annotated_node): Use source_locus typedef.
7654 This permits bootstrapping with --enable-mapped-location.
7656 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7658 PR tree-optimization/26830
7659 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7660 (info_for_ssa_name, current_info_for_ssa_name_age,
7661 blocks_to_update): New variables.
7662 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7663 (clear_ssa_name_info, initialize_flags_in_bb,
7664 mark_block_for_update): New functions.
7665 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7666 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7667 prepare_def_site_for): Use mark_block_for_update.
7668 (mark_def_interesting): Assert that the processed block is marked in
7669 blocks_to_update. Do not take blocks argument.
7670 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7672 (rewrite_update_init_block, rewrite_update_stmt): Only process
7673 blocks with statements to rewrite.
7674 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7675 (update_ssa): Initialize and free blocks_to_update. Do not
7676 clear flags on statements. Do not use blocks bitmap.
7677 * tree.h (SSA_NAME_AUX): Removed.
7678 (struct tree_ssa_name): Removed aux field.
7679 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7681 2006-05-15 Richard Guenther <rguenther@suse.de>
7683 PR tree-optimization/27603
7684 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7685 Do computations in original type.
7687 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7689 * see.c: Code style changes such as redundant paranthesis,
7690 redundant intialization of local variables etc.
7691 (see_main): Declared now as static.
7692 * doc/invoke.texi: Update that -fsee is not enabled by
7695 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7697 * omp-low.c (check_omp_nesting_restrictions): New function.
7698 (scan_omp_1): Call it.
7701 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7702 construct, return *VAR.
7704 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7706 PR rtl-optimization/27406
7707 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7710 2006-05-14 Roger Sayle <roger@eyesopen.com>
7712 PR rtl-optimization/27538
7713 * combine.c (expand_compound_operation): Call gen_lowpart
7714 before calling simplify_shift_const.
7716 2006-05-14 Roger Sayle <roger@eyesopen.com>
7718 PR rtl-optimization/22563
7719 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7720 a fixed width bitfield, always force the intermediates into psuedos.
7722 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7725 * mkconfig.sh: Use operator = instead of == for test.
7727 2006-05-13 Nick Clifton <nickc@redhat.com>
7729 * dwarf2out.c (dbx_reg_number): Check return value from
7730 LEAF_REG_REMAP and only use it if it is valid.
7731 (multiple_reg_loc_descriptor): Likewise.
7733 2006-05-13 Richard Guenther <rguenther@suse.de>
7735 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7738 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7740 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7741 information attached to non-INSNs such as NOTEs.
7742 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7744 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7746 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7748 * config/s390/s390.md: Adjust comment describing On constraint.
7750 2006-05-11 Jan Hubicka <jh@suse.cz>
7752 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7753 to be output at -O0.
7755 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7758 * fold-const.c (size_binop): Move sanity check for arguments to
7759 the beginning of the function.
7762 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7765 2006-05-11 Richard Guenther <rguenther@suse.de>
7768 * fold-const.c (fold_unary): Handle intermediate conversion
7769 to a pointer type like intermediate conversion to an integer
7770 type in folding of (T1)(T2)var to var.
7771 Match the code to the comment in the final conversion for
7772 (T1)(T2)var to (T1)var regarding to type precision. Rather
7773 than disallow T1 being of pointer type, assert that both T1
7774 and var are of pointer type or not. Make sure not to fall
7775 over the frontends lazyness wrt array to pointer decay though.
7777 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7779 * arm.c (arm_struct_value_rtx): Delete.
7780 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7781 (arm_init_cumulative_args): Always initialize nregs to zero.
7783 2006-05-10 Richard Guenther <rguenther@suse.de>
7785 PR tree-optimization/27532
7786 * tree-object-size.c (plus_expr_object_size): Fix typo.
7788 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7791 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7792 ashrdi_const, ashrdi3): Use a scratch register.
7794 2006-05-10 Richard Guenther <rguenther@suse.de>
7796 PR tree-optimization/27302
7797 * fold-const.c (operand_equal_p): For two comparisons,
7798 try comparison of one comparison code swapped if that yields
7801 2006-05-10 Ben Elliston <bje@au.ibm.com>
7803 * tree-pretty-print.c (pretty_print_string): No need to handle
7804 '\0' as a special character.
7806 * tree.h: Include "hashtab.h".
7807 (iterative_hash_expr): Use hashval_t in its prototype.
7808 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7810 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7813 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7814 (hppa*64*-*-hpux11*): Ditto.
7815 (hppa[12]*-*-hpux11*): Ditto.
7817 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7820 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7822 2006-05-09 Michael Matz <matz@suse.de>
7824 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7825 host_extra_gcc_objs and host_xmake_file.
7826 (<*-*-linux*>): Don't overwrite host_xmake_file.
7827 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7828 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7829 (host_detect_local_cpu): Declare.
7830 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7831 * config/i386/i386.c (override_options): Handle -mtune=native
7833 * config/i386/x-i386: New file.
7834 * config/i386/driver-i386.c: New file.
7835 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7838 2006-05-09 Dirk Mueller <dmueller@suse.de>
7839 Richard Guenther <rguenther@suse.de>
7842 * fold-const.c (fold_read_from_constant_string): Relax check
7843 for matching types to matching modes.
7845 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7847 PR rtl-optimization/27335
7848 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7851 2006-05-08 Chao-ying Fu <fu@mips.com>
7852 Richard Sandiford <richard@codesourcery.com>
7854 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7855 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7856 * config/mips/mips.md (UNSPEC_SCC): New constant.
7857 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7858 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7859 (mips_emit_compare): Use it.
7860 (mips_expand_vcondv2sf): New function.
7862 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7864 Fix PR tree-optimization/27093
7865 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7866 renaming when they become not-used_alone.
7868 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7870 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7871 relocation and relocation stubs.
7873 2006-05-08 Eric Christopher <echristo@apple.com>
7875 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7878 2006-05-08 Jan Hubicka <jh@suse.cz>
7881 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7882 unused static functions are needed.
7884 2006-05-08 Roger Sayle <roger@eyesopen.com>
7887 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7888 of a reg_equiv_constant if the result is a legitimate constant.
7890 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7893 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7894 standard 80387 constants, raise the cost to prevent
7895 compress_float_constant() to generate load from memory.
7897 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7899 * config/arm/constraints.md (c): Fix a typo.
7901 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7904 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7907 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7909 (_mm_mwait): Likewise.
7911 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7913 (sse3_monitor): Make it 32bit only.
7914 (sse3_monitor64): New. 64bit monitor.
7916 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7919 * config/i386/i386.c (classify_argument): Skip fields with invalid
7922 2006-05-07 Richard Guenther <rguenther@suse.de>
7924 PR tree-optimization/27409
7925 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7926 Do not try to find zero-sized subvars.
7928 2006-05-07 Richard Guenther <rguenther@suse.de>
7930 PR tree-optimization/27136
7931 * tree-ssa-loop-niter.c (get_val_for): Correct function
7932 comment, assert requirements.
7933 (loop_niter_by_eval): Stop processing if the iterated
7934 value did not simplify.
7936 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7938 * opts.c (flag_see): remove its setting at -O3.
7940 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7942 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7943 * arm/constraints.md: New file.
7944 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7945 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7946 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7947 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7948 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7949 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7950 * arm.md: Include constraints.md.
7951 (thumb_movsi_insn): Use satisfies_constraint_J.
7952 (movhi, movqi): Use satisfies_constraint_I.
7954 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7956 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7957 for atmeg a645 device.
7959 2006-05-06 Richard Guenther <rguenther@suse.de>
7961 PR tree-optimization/27151
7962 * tree-vect-transform.c (vectorizable_condition): Punt on
7963 values that have a different type than the condition.
7965 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7968 * c-parser.c (c_parser_cast_expression): Only insert casts into
7969 hash table if pointer.
7970 * function.c (used_types_insert_helper): Rename from
7972 (used_types_insert): Call used_types_insert_helper.
7973 * function.h (used_types_insert): Accept only one argument.
7975 2006-05-05 David Edelsohn <edesohn@gnu.org>
7977 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7978 scratch with output modifier.
7980 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7983 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7984 with output modifier.
7986 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7989 * config/mips/mips.c (mips_symbolic_address_p): Return true
7990 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7991 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7993 2006-05-04 Richard Guenther <rguenther@suse.de>
7995 PR tree-optimization/14287
7996 PR tree-optimization/14844
7997 PR tree-optimization/19792
7998 PR tree-optimization/21608
7999 PR tree-optimization/27090
8000 * tree-ssa-pre.c (try_combine_conversion): New function.
8001 (compute_avail): After constructing the value-handle
8002 expression, use try_combine_conversion to combine NOP_EXPRs
8003 with previous value-handle expressions and use the result if it
8006 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8008 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8010 2006-05-04 Jan Hubicka <jh@suse.cz>
8013 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8015 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8017 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8018 that this only matches CONST_INTs. All users changed to VOIDmode
8021 * config/bfin/bfin.c: Include "optabs.h".
8022 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8024 (enum bfin_builtins): Add a number of fractional and vector builtins.
8025 (bfin_init_builtins): Likewise.
8026 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8027 (safe_vector_operand, bfin_expand_binop_builtin,
8028 bfin_expand_unop_builtin): New functions.
8029 (bfin_expand_builtin): Handle the new builtins.
8030 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8033 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8036 * Makefile.in (OBJS-common): Add see.o.
8037 (see.o): Add dependencies.
8038 * common.opt (fsee): New flag for the see optimization was added.
8039 * opts.c (flag_see): Initialized.
8040 * passes.c (init_optimization_passes, pass_see): New pass.
8041 * rtl.h (see_main): Declaration as extern.
8042 * timevar.def (TV_SEE): New.
8043 * tree-pass.h (pass_see): Declaration as extern.
8044 * invoke.texi (-fsee): Document.
8045 * recog.c (validate_simplify_insn): New function.
8046 * recog.h (validate_simplify_insn): Declaration as extern.
8047 * df-problems.c (df_chain_dump): Check for NULL.
8049 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8050 Daniel Berlin <dberlin@dberlin.org>
8052 * cfgrtl.c (insert_insn_bb_end_new): New function.
8053 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8055 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8057 * df.h (struct web_entry): Moved from web.c.
8058 (union_defs): Declaration as extern.
8059 (unionfind_root): Likewise.
8060 (unionfind_union): Likewise.
8061 * web.c (struct web_entry): Moved to df.h.
8062 (unionfind_root): Remove static declaration.
8063 (unionfind_union): Likewise.
8064 (union_defs): Likewise and generalize to use callback function.
8065 (web_main): Update arguments for union_defs function call.
8067 2006-05-04 Richard Guenther <rguenther@suse.de>
8069 PR tree-optimization/26447
8070 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8071 produce SSA_NAME copies before the store stmt to avoid
8072 breaking exception handling.
8074 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8077 * gimplify.c (omp_is_private): If var is shared in some outer context,
8078 return false instead of true. Stop searching on parallel context
8081 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8084 * coverage.c: Use get_gcov_unsigned_t() instead of
8085 unsigned_type_node all over.
8087 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8089 PR tree-optimization/27381
8090 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8091 maintain the same immediate_use links.
8092 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8093 node rather than segfaulting.
8095 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8098 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8099 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8100 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8102 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8104 Fix PR tree-optimization/26626
8105 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8107 * tree-ssa-operands.c (access_can_touch_variable): Allow
8108 typecasting through union pointers.
8110 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8113 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8114 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8115 to find if var will be a global variable even in the nested context.
8116 (omp_copy_decl): Only check for global variable at the end, it might
8117 be overridden in outer contexts.
8118 (scan_sharing_clauses): For global variables don't create a field.
8119 (lower_rec_input_clauses): Do nothing for global shared variables.
8120 Emit a barrier at the end of ILIST if there were any decls in both
8121 firstprivate and lastprivate clauses.
8122 (lower_send_clauses): Do nothing for global variables except for
8125 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8127 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8128 of the correct signedness is returned.
8130 2006-05-02 Jeff Law <law@redhat.com>
8132 PR tree-optimization/27364
8133 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8134 multiply expressions.
8136 2006-05-02 Tom Tromey <tromey@redhat.com>
8138 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8140 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8143 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8144 -mthumb -fPIC are used.
8146 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8147 Joshua Kinard <kumba@gentoo.org>
8150 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8151 with 64-bit pointers.
8153 2006-05-02 Paul Brook <paul@codesourcery.com>
8155 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8157 (create_fix_barrier): Check that a suitable barrier location is
8159 (arm_reorg): Include ftmp->address in allowable range of addresses.
8161 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8164 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8167 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8170 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8171 around RESULT_DECL for result passed by reference.
8172 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8173 * omp-low.c (use_pointer_for_field): Don't look at
8174 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8175 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8176 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8177 time or var for passing by reference for
8178 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8179 TREE_ADDRESSABLE variables when passing by reference.
8181 * omp-low.c (dump_omp_region): Fix output formatting.
8184 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8185 (expand_omp_parallel): Likewise.
8186 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8189 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8190 on statement list containing also constructors and destructors.
8191 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8194 * except.c (duplicate_eh_regions): Fix clearing of
8195 cfun->eh->region_array entries.
8197 2006-05-01 DJ Delorie <dj@redhat.com>
8199 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8201 (gcc_cv_objdump): Likewise.
8202 * configure: Regenerated.
8204 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8207 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8208 templates for case 3 and 4.
8210 2006-05-01 DJ Delorie <dj@redhat.com>
8212 * vec.c: Include bconfig.h when appropriate.
8213 * Makefile.in (build/vec.o): Adjust dependencies.
8214 * mkconfig.sh: Make sure config.h isn't used for build machine
8217 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8219 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8221 (mark_phi_for_rewrite): New function.
8222 (insert_phi_nodes_for, mark_use_interesting): Call
8223 mark_phi_for_rewrite.
8224 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8225 (update_ssa): Initialize and free phis_to_rewrite.
8227 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8229 PR rtl-optimization/27291
8230 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8231 folded to a constant.
8233 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8235 PR tree-optimization/27283
8236 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8237 not whole # of iteration descriptions.
8238 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8239 uses abnormal ssa name.
8240 (niter_for_single_dom_exit): Ditto.
8241 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8242 return just the number of iterations.
8244 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8246 PR tree-optimization/27144
8247 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8248 (record_estimate): Only record constant upper bound.
8249 (infer_loop_bounds_from_undefined): Call
8250 compute_estimated_nb_iterations just once.
8251 (proved_non_wrapping_p): Renamed to ...
8252 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8253 (convert_step_widening, scev_probably_wraps_p): Call
8254 n_of_executions_at_most instead of proved_non_wrapping_p.
8255 (substitute_in_loop_info): Do not replace values in bounds.
8256 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8259 2006-05-01 Richard Henderson <rth@redhat.com>
8262 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8263 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8266 2006-05-01 Roger Sayle <roger@eyesopen.com>
8268 * c-typeck.c (parser_build_binary_op): Don't call the function
8269 unsigned_conversion_warning to spot operand/result type overflow.
8270 (build_binary_op): Instead, call convert_and_check instead of
8271 convert to report the problem when the operands are promoted.
8272 * c-common.c (unsigned_conversion_warning): Make static.
8273 * c-common.h (unsigned_conversion_warning): Delete prototype.
8275 2006-05-01 Richard Guenther <rguenther@suse.de>
8277 PR tree-optimization/26726
8278 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8280 (find_interesting_uses_address): ... we work around here
8281 by folding INDIRECT_REFs in the substituted base.
8283 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8285 * omp-low.c (dump_omp_region): Add newlines.
8287 2006-04-30 Roger Sayle <roger@eyesopen.com>
8289 * common.opt (Woverflow): New command line option.
8290 * c-common.c (constant_expression_warning): Check warn_overflow.
8291 (overflow_waring): Pass OPT_Woverflow to warning.
8292 (unsigned_conversion_warning): Likewise.
8293 (convert_and_check): Likewise.
8294 * doc/invoke.texi: Document new command line option.
8296 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8298 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8299 TARGET_NO_FP_IN_TOC for section anchors.
8300 (optimization_options): Enable section anchors for all
8301 non-"Objective" languages.
8303 2006-04-28 Eric Christopher <echristo@apple.com>
8305 * config/darwin-c.c (darwin_ms_struct): Move this
8306 (darwin_set_default_type_attributes): and this...
8307 * config/darwin.c: ... here.
8308 * config/darwin.h (darwin_ms_struct): Declare.
8310 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8312 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8314 2006-04-28 Roger Sayle <roger@eyesopen.com>
8317 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8318 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8319 an unsigned HOST_WIDE_INT.
8320 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8322 (really_start_incremental_init): No need to call convert because
8323 bitsize_zero_node is already of type bitsizetype.
8324 (push_init_level): Extract the value of constructor_index as an
8325 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8326 (process_init_element): Likewise.
8328 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8330 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8331 value before passing to make_relative_prefix.
8333 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8336 * builtins.c (expand_builtin_memset): Expand val in original mode.
8338 2006-04-27 Eric Christopher <echristo@apple.com>
8340 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8341 with #ifndef/#endif.
8342 * config/darwin-c.c (darwin_ms_struct): New.
8343 (darwin_pragma_ms_struct): Ditto.
8344 (darwin_set_default_type_attributes): Ditto.
8345 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8346 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8347 Register ms_struct pragma.
8348 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8349 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8350 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8351 darwin_set_default_type_attributes if TARGET_MACHO.
8353 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8355 PR tree-optimization/26854
8356 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8357 * doc/tree-ssa.texi: Update immuse iterator documentation.
8358 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8359 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8360 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8361 first_safe_imm_use, next_safe_imm_use): Remove.
8362 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8363 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8364 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8365 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8366 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8367 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8368 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8369 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8370 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8371 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8372 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8373 (perfect_nestify): Use new iterator.
8374 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8376 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8377 (next_imm_name): New field in struct immediate_use_iterator_d.
8378 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8379 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8380 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8381 * tree-cfg.c (replace_uses_by): Use new iterator.
8382 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8383 * tree-ssa-operands.c (correct_use_link): Remove.
8384 (finalize_ssa_use_ops): No longer call correct_use_link.
8386 2006-04-27 Stuart Hastings <stuart@apple.com>
8388 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8389 * config/t-darwin (crt3.o): Use it.
8390 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8391 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8392 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8393 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8394 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8397 2006-04-27 Roger Sayle <roger@eyesopen.com>
8399 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8400 size, force the intermediate into a new pseudo rather instead of
8401 performing both a bitwise AND and a bitwise IOR in memory.
8403 2006-04-27 Richard Guenther <rguenther@suse.de>
8405 PR rtl-optimization/26685
8406 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8407 this one "max-flow-memory-locations".
8409 2006-04-27 Richard Guenther <rguenther@suse.de>
8411 PR tree-optimization/25148
8412 * tree-vrp.c (compare_values): Remove code dealing with
8413 comparisons against type min/max value. Honour overflow
8414 and negative constants in code dealing with comparisons
8415 of plus and minus expressions.
8416 (value_inside_range): Use fold_binary with LE_EXPR and
8417 GE_EXPR rather than compare_values.
8419 2006-04-27 Dirk Mueller <dmueller@suse.de>
8421 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8424 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8426 * basic-block.h (safe_insert_insn_on_edge): Removed.
8427 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8429 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8430 Paolo Bonzini <bonzini@gnu.org>
8433 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8434 (simplify_and_const_int): Same.
8436 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8438 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8440 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8443 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8444 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8445 cgraph_global_info_ready.
8448 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8451 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8452 either decl or init is error_mark_node.
8455 * tree-flow.h (struct omp_region): Add sched_kind.
8456 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8457 instead of extracting omp for data.
8458 (expand_omp_for): Save extracted sched_kind.
8460 2006-04-25 Roger Sayle <roger@eyesopen.com>
8462 * expmed.c (store_bit_field): Also check whether the bitsize is
8463 valid for the machine's "insv" instruction before moving the
8464 target into a pseudo for use with the insv.
8465 * config/i386/predicates.md (const8_operand): New predicate.
8466 * config/i386/i386.md (extv, extzv, insv): Use the new
8467 const8_operand predicate where appropriate.
8469 2006-04-25 DJ Delorie <dj@redhat.com>
8471 * doc/install.texi (Specific): Clarify that this is not a list of
8472 supported hosts or targets.
8474 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8476 PR rtl-optimization/26725
8477 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8478 block's BB_DIRTY flag.
8480 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8482 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8485 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8486 to print an integer.
8488 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8490 * varasm.c (align_variable): New function.
8491 (get_block_for_decl): Apply align_variable to DECL before
8492 calculating section information.
8493 (assemble_variable): Split out alignment computation.
8495 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8497 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8500 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8502 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8503 MODE_PARTIAL_INT mode.
8504 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8505 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8507 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8508 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8510 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8512 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8514 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8515 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8516 MACFLAG_IH): Likewise.
8517 (movstricthi_1): Renamed from "*movstricthi".
8518 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8519 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8520 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8521 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8522 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8523 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8524 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8525 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8526 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8527 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8528 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8529 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8530 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8531 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8532 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8534 * doc/rtl.texi (ss_ashift): Improve wording.
8536 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8538 * dwarf2out.c (verify_marks_clear): New.
8539 (prune_unused_types): Call verify_marks_clear initially, not
8542 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8544 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8545 * doc/rtl.texi: Document them.
8546 * simplify-rtx.c (simplify_unary_operation,
8547 simplify_binary_operation_1): Don't abort when we see them.
8549 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8552 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8553 * configure.ac: Completely disregard languages that are not
8555 * configure: Regenerated.
8557 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8558 Richard Guenther <rguenther@suse.de>
8560 PR tree-optimization/27236
8561 * tree-inline.c (copy_body_r): Make sure to copy
8562 TREE_THIS_VOLATILE flag.
8564 2006-04-24 Richard Guenther <rguenther@suse.de>
8567 * tree-complex.c (update_parameter_components): Don't handle
8568 unused parameters which have no default def.
8570 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8571 Richard Guenther <rguenther@suse.de>
8573 PR tree-optimization/27218
8574 * tree-inline.c (expand_call_inline): Strip useless type
8575 conversions for the return slot address.
8577 2006-04-24 Richard Guenther <rguenther@suse.de>
8579 * cfgloop.h (struct loops): Remove unused field array. Reorder
8581 (LOOP_PREFETCH): Remove.
8583 2006-04-24 Richard Guenther <rguenther@suse.de>
8585 PR tree-optimization/22525
8586 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8587 variable, adjust types of generated expressions.
8589 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8591 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8592 (tree-vect-patterns.o): Likewise.
8594 (cselib.o): Likewise.
8595 (loop-doloop.o): Likewise.
8596 (regclass.o): Likewise.
8597 (reload1.o): Likewise.
8598 (explow.o): Replace target.h with $(TARGET_H).
8599 (ipa-prop.o): Likewise.
8600 (ipa-cp.o): Likewise.
8601 (ipa-inline.o): Likewise.
8602 (reorg.o): Likewise.
8603 (reg-stack.o): Likewise.
8605 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8607 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8609 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8611 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8613 * configure.ac: Completely disregard languages that are not
8615 * configure: Regenerated.
8618 * c-common.h (c_build_bitfield_integer_type): Declare.
8619 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8620 * c-common.c (c_build_bitfield_integer_type): ... here.
8622 2006-04-23 Roger Sayle <roger@eyesopen.com>
8625 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8626 a SImode SUBREG of a floating point register after no_new_pseudos.
8628 2006-04-23 Roger Sayle <roger@eyesopen.com>
8630 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8631 identify potentially eliminable registers to additionally catch
8632 VIRTUAL_INCOMING_ARGS_REGNUM.
8633 (addsi3): Update the conditions on when to use addsi_small_int.
8635 2006-04-23 Roger Sayle <roger@eyesopen.com>
8638 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8639 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8640 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8642 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8644 * fold-const.c (range_predecessor): Use operand_equal_p
8645 as the predicate for equality.
8646 (range_successor): Likewise.
8648 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8651 * config/soft-fp/op-common.h: Fix a typo.
8653 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8656 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8657 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8659 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8661 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8663 * doc/tm.texi: Fix a typo.
8665 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8667 * dwarf2out.c (struct die_struct): Document that die_sib makes
8668 a circular linked list.
8669 (FOR_EACH_CHILD): New.
8670 (reverse_die_lists): Delete.
8671 (reverse_all_dies): Delete.
8672 (add_dwarf_attr): Correct documentation.
8673 (remove_child_with_prev): New.
8674 (remove_child_TAG): Update for change to die_struct, use
8675 remove_child_with_prev.
8676 (add_child_die): Update for change to die_struct.
8677 (splice_child_die): Use remove_child_with_prev and add_child_die.
8678 (print_die): Use FOR_EACH_CHILD.
8679 (die_checksum): Likewise.
8680 (assign_symbol_names): Likewise.
8681 (output_location_lists): Likewise.
8682 (build_abbrev_table): Likewise.
8683 (calc_die_sizes): Likewise.
8684 (mark_dies): Likewise.
8685 (unmark_dies): Likewise.
8686 (unmark_all_dies): Likewise.
8687 (output_die): Likewise.
8688 (prune_unused_types_mark): Likewise.
8689 (prune_unused_types_walk): Likewise.
8690 (same_die_p): Update for change to die_struct.
8691 (break_out_includes): Likewise.
8692 (prune_unused_types_prune): Likewise.
8693 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8694 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8696 (dwarf2out_finish): Don't call reverse_all_dies.
8698 2006-04-21 Eric Christopher <echristo@apple.com>
8700 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8701 in comments and function names.
8703 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8706 * c-typeck.c (digest_init): Robustify.
8708 * c-typeck.c (pop_init_level): Simplify.
8710 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8712 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8714 2006-04-21 Paul Brook <paul@codesourcery.com>
8716 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8717 hardware floating point.
8719 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8721 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8724 2006-04-21 Nick Clifton <nickc@redhat.com>
8726 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8729 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8732 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8733 C++ lang type in traceback table for Objective-C++.
8735 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8737 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8739 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8741 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8744 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8745 were errors. Remove check for erroneous objects.
8747 2006-04-20 Jeff Law <law@redhat.com>
8749 PR tree-optimization/26854
8750 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8751 checking for zero or one use.
8752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8753 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8754 * tree-ssa-reassoc.c (negate_value): Similarly.
8755 (reassociate_bb): Similarly.
8757 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8759 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8760 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8761 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8763 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8765 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8766 fp regs if the last fp arg doesn't fit in regs.
8768 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8771 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8772 that the last insn has the REG_INC note.
8774 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8775 Nathan Sidwell <nathan@codesourcery.com>
8778 * stor-layout.c (update_alignment_for_field): Do not align
8780 (place_union_field): Place union field at the start of the union.
8781 (place_field): Move ERROR_MARK check later, and use the current
8782 allocation position to maintain monotonicity.
8784 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8786 * dominance.c: Include timevar.h.
8787 (calculate_dominance_info): Use TV_DOMINANCE.
8788 * timevar.def (TV_DOMINANCE): New timevar.
8789 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8791 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8793 PR rtl-optimization/14261
8794 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8795 move would be an INSV insn.
8796 (noce_process_if_block): Don't optimize if the destination is a
8797 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8799 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8801 * config/s390/s390.md: Add comments with the instructions emitted
8802 by an insn pattern if macros are used.
8804 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8806 PR rtl-optimization/26026
8807 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8808 is a known power of two shifted left a variable amount.
8810 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8812 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8813 to hash table twice when the debug_str section has SECTION_MERGE.
8815 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8817 * config/soft-fp: New directory. From glibc.
8818 * config/soft-fp/t-softfp: New.
8819 * config/soft-fp/README: New.
8820 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8821 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8822 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8823 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8824 * config.gcc: Use rs6000/t-fprules-fpbit or
8825 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8827 * config/rs6000/sfp-machine.h: New. Based on glibc.
8828 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8830 * config/rs6000/t-fprules: Remove fp-bit rules.
8831 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8832 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8833 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8834 (softfp_wrap_start, softfp_wrap_end): New.
8836 2006-04-18 DJ Delorie <dj@redhat.com>
8838 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8840 2006-04-18 Devang Patel <dpatel@apple.com>
8842 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8844 2006-04-18 Nick Clifton <nickc@redhat.com>
8846 * config/sh/t-symbian: Add rule to build sh-c.o
8847 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8848 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8849 (sh_symbian_encode_section_info): Likewise.
8851 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8853 * builtins.c (expand_builtin_strcmp): Cover label definition of
8854 do_libcall with HAVE_cmpstrnsi.
8856 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8858 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8860 * function.h (temp_slot_p): New.
8861 (function): Change the type of x_used_temp_slots to
8862 VEC(temp_slot_p,gc) *.
8864 2006-04-18 Nick Clifton <nickc@redhat.com>
8866 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8867 flag_strength_reduce.
8869 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8871 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8875 Partial revert of revision 112637
8876 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8877 Dale Johannesen <dalej@apple.com>
8880 * regclass.c (struct reg_pref): Update documentation.
8881 (regclass): Set prefclass to NO_REGS if memory is the best option.
8882 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8884 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8886 PR tree-optimization/26821
8887 * tree-ssa-math-opts.c (get_constant_one): New.
8888 (insert_reciprocals): Use it.
8890 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8892 * dwarf2out.c (free_AT): Delete.
8893 (remove_AT): Update string ref counts.
8894 (remove_child_TAG): Don't call free_die.
8896 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8897 or DW_TAG_GNU_EINCL.
8898 (prune_unused_types_walk_attribs): Reset string refcounts.
8899 (prune_unused_types_update_strings): New.
8900 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8901 call free_die. Do call prune_unused_types_update_strings.
8902 (prune_unused_types): Empty debug_str_hash.
8904 2006-04-17 Roger Sayle <roger@eyesopen.com>
8906 * expr.c (expand_assignment): Optimize away no-op moves where the
8907 source and destination are equal and have no side-effects.
8909 2006-04-17 Richard Guenther <rguenther@suse.de>
8912 * reload.c (push_reload): Guard calls to get_secondary_mem
8915 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8917 * alias.c (reg_base_value, old_reg_base_value): Change the
8918 type to VEC(rtx,gc) *.
8919 (REG_BASE_VALUE, find_base_value, record_set,
8920 init_alias_analysis): Use VEC instead of VARRAY.
8922 * alias.c (alias_sets): Change the type to
8923 VEC(alias_set_entry,gc) *.
8924 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8925 VEC instead of VARRAY.
8926 (last_alias_set): Remove.
8928 * cgraph.h (cgraph_edge_p): New.
8929 Update the prototype of cgraph_function_versioning.
8930 * cgraphunit.c (cgraph_copy_node_for_versioning,
8931 cgraph_function_versioning): Use VEC instead of VARRAY.
8932 * ipa-cp.c (ipcp_insert_stage): Likewise.
8934 2006-04-16 Roger Sayle <roger@eyesopen.com>
8937 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8938 "A op B" or "A op C", we may need to convert A to the type of B and C.
8940 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8942 * target.h (struct gcc_target): Add mode_rep_extended.
8943 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8944 (init_num_sign_bit_copies_in_rep): Initialize it using
8946 (truncate_to_mode): Use it.
8947 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8948 * targhooks.h (default_mode_rep_extended): Declare it.
8949 * targhooks.c (default_mode_rep_extended): Define it.
8950 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8951 default_mode_rep_extended.
8952 (TARGET_INITIALIZER): Include it.
8953 * doc/tm.texi (Misc): Document it.
8954 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8955 (mips_truncated_to_mode): New function.
8957 2006-04-16 Roger Sayle <roger@eyesopen.com>
8960 * expr.c (compress_float_constant): Copy the narrow constant into
8961 a new pseudo before extending it to its final width.
8963 2006-04-16 Roger Sayle <roger@eyesopen.com>
8964 Andrew Pinski <pinskia@gcc.gnu.org>
8965 Dale Johannesen <dalej@apple.com>
8968 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8969 special case code to implement V8HImode and V16QImode with SSE2.
8971 2006-04-15 Roger Sayle <roger@eyesopen.com>
8973 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8974 trees are constructed with a suitable tree type.
8976 2006-04-15 Roger Sayle <roger@eyesopen.com>
8978 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8979 (integer_onep): Likewise.
8980 (integer_all_onesp): Likewise.
8981 (integer_pow2p): Likewise.
8982 (integer_nonzerop): Likewise.
8983 (real_zerop): Likewise.
8984 (real_onep): Likewise.
8985 (real_twop): Likewise.
8986 (real_minus_onep): Likewise.
8987 (int_size_in_bytes): Likewise.
8988 (host_integerp): Likewise.
8990 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8992 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8993 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8994 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8996 * tree-ssa-structalias.h (alias_info): Remove num_references.
8998 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9000 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9001 (output_bvb patterns): Likewise.
9002 * pa.c (output_bb): Use 'bb' insn for long branch case.
9003 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9004 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9005 1. Correct length operand for alternatives 1 and 2.
9006 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9007 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9009 2006-04-14 Roger Sayle <roger@eyesopen.com>
9011 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9012 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9013 were accidentally reverted by r112959.
9015 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9018 * except.h (eh_region_outermost): New prototype.
9019 * except.c (eh_region_outermost): New function.
9020 * tree-cfg.c (find_outermost_region_in_block): Use it.
9022 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9024 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9026 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9027 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9028 (init_reload, reload): Use VEC instead of VARRAY.
9029 * reload.h: Update the prototype for
9030 reg_equiv_memory_loc_varray.
9032 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9033 Eric Botcazou <ebotcazou@libertysurf.fr>
9035 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9038 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9041 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9042 to expand fallback builtin function call.
9044 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9047 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9048 and emit libcall here in case the builtin fails.
9049 (expand_builtin_strcmp): Always emit the libcall here on failure.
9051 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9053 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9054 * flow.c (reg_n_info): Change the type to
9055 VEC(reg_info_p,heap) *.
9056 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9058 * regs.h (reg_info_p): New.
9059 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9060 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9061 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9064 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9066 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9068 * params.h (MAX_SCHED_READY_INSNS): New macro.
9069 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9070 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9071 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9072 the ready list for 1 cycle during the first scheduling pass.
9073 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9075 2006-04-13 Richard Henderson <rth@redhat.com>
9078 * gimple-low.c (lower_omp_directive): Remove dead code.
9079 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9080 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9081 * omp-low.c (struct omp_region): Move to tree-flow.h.
9082 (root_omp_region): Export.
9083 (omp_regions, lookup_omp_region): Remove.
9084 (determine_parallel_type): Update for struct omp_region changes.
9085 (dump_omp_region): Dump regions with block numbers.
9086 (new_omp_region): Take type and block instead of stmt; malloc
9088 (free_omp_region_1, free_omp_regions): New.
9089 (expand_parallel_call): Take entry_stmt as argument; update for
9090 changes to omp_region.
9091 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9092 (remove_exit_barriers): New.
9093 (expand_omp_parallel): Update for struct omp_region changes.
9094 (expand_omp_synch): Likewise.
9095 (expand_omp): Likewise.
9096 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9097 (expand_omp_for_static_chunk): Likewise.
9098 (expand_omp_for): Likewise.
9099 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9100 (expand_omp_sections): Similarly, with GOMP_sections_end.
9101 (expand_omp_single): New.
9102 (build_omp_regions_1): Update for OMP_CONTINUE.
9103 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9104 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9105 OMP_SECTIONS_SECTIONS.
9106 (lower_omp_single_simple): Don't emit barrier here.
9107 (lower_omp_single_copy): Likewise.
9108 (lower_omp_single): Fix bindings, and lower to straightline now.
9109 (lower_omp_master, lower_omp_ordered): Likewise.
9110 (lower_omp_critical): Likewise.
9111 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9112 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9113 omp edges, free it afterward.
9114 (make_omp_sections_edges): Remove.
9115 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9116 (move_stmt_r): Handle OMP_CONTINUE.
9117 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9118 statement pointers to basic blocks. Add type member.
9119 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9120 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9121 * tree-inline.c (estimate_num_insns_1): Likewise.
9122 * tree-pretty-print.c (dump_generic_node): Likewise.
9123 * tree-ssa-operands.c (get_expr_operands): Likewise.
9124 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9125 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9126 (OMP_CONTINUE): New.
9127 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9128 (OMP_SECTIONS_SECTIONS): Remove.
9129 (OMP_SECTION_LAST): New.
9130 (OMP_RETURN_NOWAIT): New.
9132 2006-04-13 Roger Sayle <roger@eyesopen.com>
9134 * fold-const.c (native_encode_vector, native_interpret_real):
9135 Correct obvious mistakes in the previous check-in.
9137 2006-04-13 Roger Sayle <roger@eyesopen.com>
9139 * fold-const.c (native_encode_expr): New function to encode
9140 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9141 or VECTOR_CST into a specified buffer.
9142 (native_encode_int): New function.
9143 (native_encode_real): New function.
9144 (native_encode_complex): New function.
9145 (native_encode_vector): New function.
9146 (native_interpret_expr): Inverse of native_encode_expr to convert
9147 a target representation into an INTEGER_CST, REAL_CST etc...
9148 (native_interpret_int): New function.
9149 (native_interpret_real): New function.
9150 (native_interpret_complex): New function.
9151 (native_interpret_vector): New function.
9152 (fold_view_convert_expr): New function to constant fold/evaluate
9153 a VIEW_CONVERT_EXPR of a suitable constant expression.
9154 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9155 Change call of build1 to fold_build1 when constructing a
9158 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9159 Ulrich Weigand <uweigand@de.ibm.com>
9162 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9165 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9168 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9169 optimize to lo_sum for DFmode if !TARGET_FPRS.
9171 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9173 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9174 delete_alias_info, compute_flow_sensitive_aliasing,
9175 group_aliases): Use VEC instead of VARRAY.
9176 * tree-ssa-structalias.c (update_alias_info): Likewise.
9177 * tree-ssa-structalias.h (alias_info): Change the type of
9178 processed_ptrs to VEC(tree,heap) *.
9180 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9183 * config/sh/lib1funcs.h: New file, broken out of:
9184 * config/sh/lib1funcs.asm.
9185 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9187 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9188 * config/sh/lib1funcs-Os-4-200.asm: New file.
9189 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9190 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9191 (EXTRA_MULTILIB_PARTS): Include it.
9192 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9193 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9194 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9195 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9198 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9200 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9201 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9202 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9204 * tree-ssa-live.h: Include vecprim.h.
9205 (tree_partition_associator_d): Change the type of
9206 first_partition to VEC(int,heap) *.
9207 (tpa_first_partition): Use VEC instead of VARRAY.
9209 * Makefile.in (GTFILES): Move functions.h after tree.h.
9210 * function.c (reset_block_changes, record_block_change,
9211 check_block_change, free_block_changes): Use VEC instead of
9213 * function.h (function): Change the type of
9214 ib_boundaries_block to VEC(tree,gc) *.
9215 * tree-inline.c (copy_cfg_body): Initialize
9216 ib_boundaries_block to NULL instead of (varray_type) 0.
9218 2006-04-12 Roger Sayle <roger@eyesopen.com>
9220 * expr.c (emit_group_store): Correct operand order in call to
9221 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9222 a SUBREG_BYTE of zero.
9224 2006-04-12 Richard Guenther <rguenther@suse.de>
9226 * profile.c (compute_branch_probabilities): Remove code
9227 encapsulated in !ir_type (), which are remanents of the
9228 removed RTL profiling code.
9229 * rtl-profile.c: Remove.
9231 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9233 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9234 magic NULL_RTX comment.
9235 (function_arg): Store entire fp arg to mem if any part should go
9237 (rs6000_arg_partial_bytes): Adjust for above change.
9239 2006-04-11 Roger Sayle <roger@eyesopen.com>
9241 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9242 if it hasn't been initialized by dwarf2out_init.
9244 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9246 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9247 symbolic constants in branch patterns.
9249 2006-04-11 Roger Sayle <roger@eyesopen.com>
9251 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9253 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9255 PR rtl-optimization/27073
9256 * gcse.c (try_replace_reg): Revert last change. Continue to search
9257 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9260 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9262 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9263 aggregate types other than record and union types.
9264 (function_arg): Likewise.
9265 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9267 (function_value): In 64-bit mode, return objects that require it
9270 2006-04-11 Roger Sayle <roger@eyesopen.com>
9272 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9274 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9276 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9278 2006-04-03 Jeff Law <law@redhat.com>
9281 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9282 alias information too.
9284 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9286 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9288 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9291 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9292 (premark_used_types_helper): New.
9293 (premark_used_types): New.
9294 (gen_subprogram_die): Call premark_used_types.
9295 (prune_unused_types_walk): Do not prune perennial dies.
9296 * function.c (used_types_insert): New.
9297 * function.h (struct function): Add used_types_hash field.
9298 (used_types_insert): Add prototype.
9299 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9300 * c-parser.c (c_parser_cast_expression): Save casted types in used
9303 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9306 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9307 rs6000_explicit_options.float_gprs.
9309 2006-04-10 Roger Sayle <roger@eyesopen.com>
9311 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9312 from ix86_expand_vector_init_low_nonzero. Take an additional
9313 one_var argument indicating which element is non-zero. Support
9314 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9315 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9316 with one_var instead of ix86_expand_vector_init_low_nonzero.
9318 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9320 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9321 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9322 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9323 build/genextract.o): Depend on vecprim.h.
9324 * cfglayout.c, df-problems.c, function.c, genextract.c,
9325 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9326 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9330 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9332 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9333 Declare VECs of this type.
9334 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9335 (remove_children): Delete.
9336 (add_dwarf_attr): Use VEC routines.
9337 (add_AT_flag): Update for changes to add_dwarf_attr.
9338 (add_AT_int): Likewise.
9339 (add_AT_unsigned): Likewise.
9340 (add_AT_long_long): Likewise.
9341 (add_AT_vec): Likewise.
9342 (add_AT_string): Likewise.
9343 (add_AT_die_ref): Likewise.
9344 (add_AT_fde_ref): Likewise.
9345 (add_AT_loc): Likewise.
9346 (add_AT_loc_list): Likewise.
9347 (add_AT_addr): Likewise.
9348 (add_AT_lbl_id): Likewise.
9349 (add_AT_lineptr): Likewise.
9350 (add_AT_macptr): Likewise.
9351 (add_AT_offset): Likewise.
9352 (add_AT_range_list): Likewise.
9353 (get_AT): Use VEC_iterate.
9354 (remove_AT): Use VEC_ordered_remove.
9355 (free_die): Fold remove_children into here; have it use VEC_iterate.
9356 (print_die): Use VEC_iterate on attrs.
9357 (reverse_die_lists): Don't reverse attr lists.
9358 (die_checksum): Use VEC_iterate on attrs.
9359 (same_die_p): Likewise.
9360 (output_location_lists): Likewise.
9361 (build_abbrev_table): Likewise.
9362 (size_of_die): Likewise.
9363 (unmark_all_dies): Likewise.
9364 (output_abbrev_section): Likewise.
9365 (output_die): Likewise.
9366 (prune_unused_types_walk_attribs): Likewise.
9368 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9370 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9372 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9375 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9377 2006-04-09 Roger Sayle <roger@eyesopen.com>
9379 * expr.c (store_constructor): Don't bother clearing target if
9380 we're about to assign a vector to it using vec_init_optab.
9382 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9384 * tree-ssa-alias.c (lhs_may_store_to): New function.
9385 (recalculate_used_alone): Handle LHS of calls.
9387 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9391 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9392 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9393 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9394 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9395 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9396 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9397 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9398 stubs. Add ".align 8" directives before all ".dword" directives.
9399 (GTHREAD_USE_WEAK): Revise comment.
9400 (TARGET_ATTRIBUTE_WEAK): Define.
9401 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9402 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9403 * stublib.c: New file.
9408 * pa.md (cbranch patterns): Revise arguments used in calls to
9409 output_cbranch, output_bb and output_bvd. Add long branch length
9411 (fbranch patterns): Handle long branches.
9412 (jump): Revise length check. Revise arguments for output_lbranch call.
9413 Add long branch length attributes.
9414 (decrement_and_branch_until_zero): Add long branch length attributes.
9415 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9416 Likewise. Revise arguments for output_parallel_addb and
9417 output_parallel_movb calls.
9418 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9419 output_parallel_movb and output_parallel_addb): Update prototypes.
9420 * pa.c (output_cbranch): Revise arguments. Correct handling of
9421 nullification in long branches.
9422 (output_lbranch): Add new argument to control extraction of delay
9424 (output_bb): Handle long branches.
9425 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9426 output_parallel_addb): Likewise.
9428 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9430 PR rtl-optimization/27073
9431 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9434 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9436 * tree.h (tree_memory_tag): Add old_used_alone.
9437 (SMT_OLD_USED_ALONE): New macro.
9438 * tree-ssa-alias.c (recalculate_used_alone): Stop
9439 marking things for renaming unnecessarily.
9441 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9443 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9444 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9445 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9446 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9447 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9448 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9449 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9450 spelling convensions.
9451 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9452 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9453 typos. Follow spelling conventions.
9455 2006-04-07 DJ Delorie <dj@redhat.com>
9457 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9458 passed on the stack.
9459 (m32c_init_cumulative_args): When a function returns a structure,
9460 always pass the pointer to that return area on the stack.
9461 (m32c_function_arg_advance): Don't increment the parameter number
9462 if we're processing the returned structure pointer.
9463 (pushm_info): Reverse order of registers.
9465 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9467 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9468 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9469 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9470 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9472 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9473 chrec_fold_multiply): Same.
9474 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9475 force_expr_to_var_cost): Same.
9476 * tree-mudflap.c (mf_xform_derefs_1): Same.
9477 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9479 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9481 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9482 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9485 2006-04-07 Jan Hubicka <jh@suse.cz>
9487 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9489 2006-04-07 Richard Guenther <rguenther@suse.de>
9491 PR tree-optimization/26135
9492 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9493 loads for store copy-prop.
9494 (copy_prop_visit_stmt): Likewise.
9496 2006-04-05 Robert Millan <robertmh@gnu.org>
9498 * config/i386/linux.h: Add a comment to mark macros that are
9499 being overriden in config/k*bsd-gnu.h.
9500 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9502 * config/knetbsd-gnu.h: Ditto.
9504 2006-04-06 Jan Hubicka <jh@suse.cz>
9508 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9511 2006-04-06 Mike Stump <mrs@apple.com>
9513 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9514 for HAVE_nonlocal_goto to be consistent.
9515 (expand_builtin_nonlocal_goto): Likewise.
9516 (expand_builtin_strcmp): Use #ifdef instead of #if
9517 for HAVE_cmpstrnsi to be consistent.
9519 2006-04-05 DJ Delorie <dj@redhat.com>
9521 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9524 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9526 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9527 got-relative addressing for anything but SImode.
9529 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9530 even if the calling function doesn't modify them.
9532 2006-04-05 Richard Guenther <rguenther@suse.de>
9534 PR tree-optimization/26919
9535 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9536 to cgraph_estimate_size_after_inlining.
9538 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9540 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9542 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9544 PR tree-optimization/26996
9545 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9546 VECTOR_TYPE variables.
9548 2006-04-05 Richard Guenther <rguenther@suse.de>
9550 PR tree-optimization/26763
9551 * fold-const.c (fold_comparison): Move folding of
9552 PTR + CST CMP PTR + CST ...
9553 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9555 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9557 * doc/install.texi (Prerequisites): Refine some wording on
9558 bootstrapping and ksh.
9559 Move the version numbers of DejaGnu here from the testing section
9560 and fix casing of names.
9561 Fix markup and clarify wording for autogen requirements.
9562 Refer to GCJ instead of just java.
9563 Refer to SVN instead of CVS.
9564 Describe diffutils as useful instead of necessary.
9565 (Downloading the source): Refer to SVN instead of CVS.
9566 Adjust a link to our web site accordingly.
9567 (Configuration): Fix casing of Bison.
9568 (Building): Refer to SVN instead of CVS.
9569 Fix a sentence on the use of Bison and remove duplicate (and
9570 incorrect) version number of Bison requirement.
9571 Remove one redundant list of packages needed for building.
9572 (Specific): Avoid reference to CVS.
9574 2006-04-04 Eric Christopher <echristo@apple.com>
9576 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9577 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9578 (rs6000_handle_struct_attribute): New.
9579 (rs6000_ms_bitfield_layout_p): Ditto.
9581 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9583 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9584 NULL for dso parameter to atexit_common.
9586 2006-04-04 Eric Christopher <echristo@apple.com>
9588 * config/i386/i386.c (machopic_output_stub): Output \t
9589 between instructions and operands.
9591 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9593 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9594 satisfies_constraint_[IL] to explicit tests on value.
9596 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9598 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9599 set_nb_iterations_in_loop): Use build_int_cst instead of
9601 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9602 build_int_cst instead of convert.
9604 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9606 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9607 new value 2 for incoming.
9608 * function.c (expand_function_start): Call struct_value_rtx
9610 * config/sparc/sparc.md: Comment updated_return.
9611 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9612 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9613 struct return if sparc_std_struct_return and incoming is 2.
9614 (print_operand): Do not adjust return if
9615 sparc_std_struct_return.
9617 2006-04-04 Roger Sayle <roger@eyesopen.com>
9619 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9620 convert in the middle-end.
9621 * expr.c (store_expr, store_constructor, get_inner_reference,
9622 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9624 * tree.c (build_range_type): Likewise.
9626 2006-04-04 Tom Tromey <tromey@redhat.com>
9628 * doc/install.texi (Prerequisites): Mention jar.
9630 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9632 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9635 2006-04-04 Matthias Klose <doko@debian.org>
9637 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9641 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9644 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9646 * doc/extend.texi (Function Attributes): Rewrite visibility
9647 attribute documentation.
9648 * doc/invoke.texi (C++ Dialect Options): Rewrite
9649 -fvisibility-inlines-hidden documentation to describe something
9650 entirely different, although in practise compatible.
9651 (Code Gen Options): Warn about system headers in -fvisibility=
9654 * doc/extend.texi (Other Builtins): Document that
9655 __builtin_nan is a compile-time constant only when its argument
9658 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9660 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9661 trying to remove TRUNCATE check if all bits outside the new mode
9662 are identical to the sign bit.
9664 2006-04-03 Jeff Law <law@redhat.com>
9666 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9667 and operand scanning in some common cases.
9669 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9670 Dale Johannesen <dalej@apple.com>
9673 * regclass.c (struct reg_pref): Update documentation.
9674 (regclass): Set prefclass to NO_REGS if memory is the best option.
9675 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9676 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9677 into account. For non-registers, equate an empty preferred
9678 reload class to a `!' in the constraint; move the if clause to
9679 do so after those that reject the insn.
9680 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9682 (find_dummy_reload): Likewise.
9683 * doc/tm.texi (Register Classes): Document what it means
9684 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9685 * config/i386/i386.c (ix86_preferred_reload_class): Force
9686 using SSE registers (and return NO_REGS for floating-point
9687 constants) if math is done with SSE.
9688 (ix86_preferred_output_reload_class): New.
9689 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9690 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9691 * config/i386/i386.md: Remove # register preferences.
9693 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9696 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9697 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9698 the type of nb_iter.
9699 (instantiate_parameters_1): Convert the operands before calling
9700 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9701 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9703 2006-04-02 Roger Sayle <roger@eyesopen.com>
9705 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9706 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9708 * dojump.c (do_jump): Likewise.
9709 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9710 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9711 gimplify_boolean_expr): Likewise.
9712 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9713 * varasm.c (array_size_for_constructor): Likewise.
9714 * tree-object-size.c (compute_object_offset): Likewise.
9716 2006-04-02 Roger Sayle <roger@eyesopen.com>
9719 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9720 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9722 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9724 PR tree-optimization/26939
9725 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9727 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9729 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9730 at_stmt. Convert the type of operands before calling
9731 build_polynomial_chrec.
9732 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9734 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9735 (instantiate_parameters_1): Convert the type of operands before calling
9736 build_polynomial_chrec.
9737 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9738 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9739 reset_evolution_in_loop): Insert asserts to check the types of the
9741 (chrec_type): Moved...
9742 (eq_evolutions_p): Use operand_equal_p.
9743 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9744 the types of the operands.
9745 (chrec_type): ...here.
9746 * tree-data-ref.c (create_data_ref): Convert the operands before
9747 calling chrec_replace_initial_condition.
9748 (same_access_functions, analyze_subscript_affine_affine,
9749 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9750 (compute_subscript_distance, analyze_ziv_subscript,
9751 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9752 analyze_miv_subscript): Convert the operands before calling
9753 chrec_fold_minus or chrec_fold_plus.
9755 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9757 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9758 the dependence_relations vector.
9759 (compute_data_dependences_for_loop): Adjust call to
9760 compute_all_dependences.
9762 2006-04-01 Roger Sayle <roger@eyesopen.com>
9763 Richard Henderson <rth@redhat.com>
9765 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9766 gimple_boolify on the condition before calling gimplify_expr.
9768 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9770 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9771 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9772 the frame size. Update to use the new macros.
9773 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9774 * config/xtensa/ieee754-df.S: Likewise.
9776 2006-03-31 Richard Henderson <rth@redhat.com>
9778 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9779 (make_edges): ... here. Control fallthru creation with a local
9780 variable. Do not play with fake edges.
9781 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9782 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9785 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9787 * dwarf2.h (DW64_CIE_ID): Define.
9788 * dwarf2out.c (DWARF_CIE_ID): Define.
9789 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9790 length header. Use DWARF_CIE_ID.
9791 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9792 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9794 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9796 * config/sh/linux-atomic.asm: New file.
9797 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9799 2006-03-31 DJ Delorie <dj@redhat.com>
9801 * config/m32c/cond.md: Set condition flags properly throughout.
9802 * config/m32c/minmax.md: Likewise.
9803 * config/m32c/prologue.md: Likewise.
9804 * config/m32c/bitops.md: Likewise.
9805 * config/m32c/muldiv.md: Likewise.
9806 * config/m32c/mov.md: Likewise.
9807 * config/m32c/addsub.md: Likewise.
9808 * config/m32c/m32c.md: Likewise.
9809 * config/m32c/jump.md: Likewise.
9810 * config/m32c/shift.md: Likewise.
9812 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9813 conditionally output the pattern for this.
9814 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9815 (m32c_compare_redundant): New.
9816 (m32c_output_compare): New.
9817 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9819 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9820 dest, not src. Allow other 4-byte modes.
9822 2006-03-30 Denis Chertykov <denisc@overta.ru>
9824 * doc/md.texi: Refer to avr/constraints.md instead of
9827 2006-03-30 Roger Sayle <roger@eyesopen.com>
9829 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9830 signed vs. unsigned comparison failures on some hosts.
9832 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9835 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9836 change to FLOAT_REGS.
9838 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9839 (rs6000_override_options): Use it.
9840 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9841 only for -mabi=spe/no-spe and -mabi=altivec.
9843 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9845 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9848 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9850 * Makefile.in: Rename docdir to gcc_docdir.
9852 2006-03-30 Roger Sayle <roger@eyesopen.com>
9855 * expr.c (emit_group_store): Optimize group stores into a pseudo
9856 register by using a paradoxical subreg to initialize the destination
9857 if the first or last member of the group specifies a "low part".
9859 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9862 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9863 * target.h (struct gcc_target.speculate_insn): Change type of the
9864 second parameter to 'int'.
9865 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9866 the second operand of the DEPS_LIST.
9867 (copy_DEPS_LIST_list): Update reference to the second operand of the
9869 * rtl.h (alloc_DEPS_LIST): Update signature.
9870 * sched-int.h (ds_t): Change typedef to 'int'.
9871 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9873 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9875 * haifa-sched.c (try_ready): Change condition to restore
9876 non-speculative pattern of the instruction.
9877 (process_insn_depend_be_in_spec): Code to keep probability of the
9878 speculative dependence non-decreasing.
9880 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9882 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9883 (single_move_for_movmem): ... this. Also change all uses.
9884 (bfin_expand_strmov): Renamed to...
9885 (bfin_expand_movmem): ... this. Also change all uses.
9886 * config/bfin/bfin.md (movstrsi): Renamed to...
9887 (movstrsi): ...this.
9889 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9891 PR tree-optimization/26830
9893 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9894 (copy_prop_visit_stmt): Remove write-only variable ann.
9895 (init_copy_prop): Check variable loop depth here. Do not simulate
9896 memory-tag and virtual operand PHIs except for store copy prop.
9898 2006-03-30 Richard Guenther <rguenther@suse.de>
9900 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9901 variants with double arguments.
9903 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9905 * genpreds.c (write_tm_constrs_h): Delete variable p.
9906 * genconditions.c (write_header): Add tm-constrs.h to included
9908 * genpeep.c (main): Add toplev.h to included headers.
9909 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9910 (build/genpeep.o): Add toplev.h dependency.
9911 * config/rs6000/constraints.md: Add "W" constraint.
9913 2006-03-29 Roger Sayle <roger@eyesopen.com>
9915 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9916 sizes by correctly testing whether the size fits a host integer.
9917 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9918 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9919 SImode range for the default sizetype and bitsizetype.
9921 2006-03-29 Roger Sayle <roger@eyesopen.com>
9923 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9924 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9925 quickly if the argument is already of the correct type.
9926 Call fold_build1 instead of build1. Tidy up blank lines.
9928 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9930 * genemit.c (main): Add tm-constrs.h to included headers.
9931 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9932 * genpeep.c (main): Add tm-constrs.h to included headers.
9933 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9934 (write_tm_constrs_h): this and write complete file.
9935 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9936 (write_insn_preds_c): Add tm-constrs.h to included headers.
9937 (gen_constrs): New variable.
9938 (parse_option): Parse "-c".
9939 (main): Invoke write_tm_constrs_h.
9940 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9941 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9942 (object_out_file): Add tm-constrs.h dependency.
9943 (insn-emit.o): Same.
9944 (insn-output.o): Same.
9945 (insn-peep.o): Same.
9946 (insn-preds.o): Same.
9947 (insn-recog.o): Same.
9948 (tm-constsr.h): New target.
9949 (s-constrs-h): New target.
9951 * config/rs6000/constraints.md: New file.
9952 * config/rs6000/rs6000.c: Include tm-constrs.h.
9953 (num_insn_constant_wide): Convert to satisfies_constraint.
9954 (rs6000_rtx_costs): Convert to satisfies_constraint.
9955 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9956 (CONST_OK_FOR_LETTER_P): Delete.
9957 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9958 (EXTRA_CONSTRAINT): Delete.
9959 (EXTRA_MEMORY_CONSTRAINT): Delete.
9960 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9961 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9962 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9963 satisfies_constraint.
9965 * config/i386/i386.c: Include tm-constrs.h.
9967 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9969 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9970 * tree-data-ref.c (find_data_references_in_loop,
9971 compute_data_dependences_for_loop): Use pointers to VEC.
9972 (analyze_all_data_dependences): Adjust calls.
9973 * tree-data-ref.h (find_data_references_in_loop,
9974 compute_data_dependences_for_loop): Adjust declarations.
9975 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9976 compute_data_dependences_for_loop.
9978 2006-03-29 Paul Brook <paul@codesourcery.com>
9980 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9983 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9985 PR tree-optimization/26859
9986 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9988 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9989 for the step after fold_convert.
9991 2006-03-29 Paul Brook <paul@codesourcery.com>
9993 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9994 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9996 2006-03-29 Paul Brook <paul@codesourcery.com>
9999 * targhooks.c (default_narrow_bitfield): New fuction.
10000 * targhooks.h (default_narrow_bitfield): add prototype.
10001 * target.h (gcc_target): Add narrow_volatile_bitfield.
10002 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10003 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10004 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10005 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10007 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10009 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10011 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10012 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10013 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10014 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10015 (s390_function_arg_float): Allow SDmode and DDmode values to be
10016 passed in floating point registers.
10017 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10018 check with SCALAR_FLOAT_MODE_P.
10019 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10021 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10023 PR tree-optimization/25985
10024 * tree-ssa-loop-niter.c (number_of_iterations_le,
10025 number_of_iterations_ne): Make comments more precise.
10026 (number_of_iterations_cond): Add only_exit argument. Use the
10027 fact that signed variables do not overflow only when only_exit
10029 (loop_only_exit_p): New.
10030 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10031 number_of_iterations_cond.
10033 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10035 PR tree-optimization/26643
10036 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10039 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10041 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10042 (divsi3_i4_int): Likewise.
10044 2006-03-28 Roger Sayle <roger@eyesopen.com>
10046 * expr.c (emit_group_store): Only create a new pseudo reg if the
10047 quantity it needs to hold isn't already a suitable pseudo.
10049 2006-03-28 Jeff Law <law@redhat.com>
10051 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10052 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10054 2006-03-28 Roger Sayle <roger@eyesopen.com>
10056 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10057 the equivalent ~X & Y, and the symmetry related transformations.
10058 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10059 ~X & Y, and symmetry related transforms.
10061 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10063 Revert my 2006-03-27 patches.
10065 2006-03-28 Roger Sayle <roger@eyesopen.com>
10067 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10068 ~(T1)X, when T1 and T2 are integer types of the same precision
10069 and (T2)X isn't an extension.
10071 2006-03-28 Jeff Law <law@redhat.com>
10073 PR tree-optimization/26796
10074 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10075 need EH edge cleanups rather than purging them immediately.
10076 (eliminate_degenerate_phis): Handle queued EH cleanups.
10078 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10080 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10083 2006-03-27 Roger Sayle <roger@eyesopen.com>
10085 PR middle-end/22524
10086 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10087 cast BIT_NOT_EXPR operand to the correct type.
10089 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10091 * tree-loop-linear.c: Don't include varray.h.
10092 (gather_interchange_stats, try_interchange_loops,
10093 linear_transform_loops): Use VEC instead of VARRAY.
10094 * lambda-mat.c: Don't include varray.h.
10095 * tree-chrec.c: Same.
10096 * lambda-trans.c: Same.
10097 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10098 VEC instead of VARRAY.
10099 * tree-vectorizer.h: Idem.
10100 * tree-data-ref.c (dump_data_references,
10101 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10102 initialize_data_dependence_relation, finalize_ddr_dependent,
10103 compute_all_dependences, find_data_references_in_loop,
10104 compute_data_dependences_for_loop, analyze_all_data_dependences,
10105 free_dependence_relation, free_dependence_relations,
10106 free_data_refs): Idem.
10107 * tree-data-ref.h (data_reference_p, subscript_p): New.
10108 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10109 VEC instead of VARRAY.
10110 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10111 (find_data_references_in_loop, compute_data_dependences_for_loop,
10112 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10113 dump_data_dependence_relations, free_dependence_relations,
10114 free_data_refs): Adjust declaration.
10115 (lambda_transform_legal_p): Move declaration here...
10116 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10117 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10118 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10119 vect_analyze_data_refs): Use VEC instead of VARRAY.
10120 * lambda.h (lambda_transform_legal_p): ...from here.
10121 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10122 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10123 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10124 tree-chrec.o): Don't depend on VARRAY_H.
10126 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10128 * rtl.def (Copyright): Update date.
10129 (DEPS_LIST): Change type of the second operand to 'int'.
10130 * target.h (Copyright): Update date.
10131 (struct gcc_target.speculate_insn): Change type of the second parameter
10133 * lists.c (Copyright): Update date.
10134 (alloc_DEPS_LIST): Change signature. Update reference to the second
10135 operand of the DEPS_LIST.
10136 (copy_DEPS_LIST_list): Update reference to the second operand of the
10138 * rtl.h (Copyright): Update date.
10139 (alloc_DEPS_LIST): Update signature.
10140 * sched-int.h (Copyright): Update date.
10141 (ds_t): Change typedef to 'int'.
10142 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10144 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10146 * haifa-sched.c (Copyright): Update date.
10147 (try_ready): Change condition to restore non-speculative pattern
10148 of the instruction.
10149 (process_insn_depend_be_in_spec): Code to keep probability of the
10150 speculative dependence non-decreasing.
10152 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10154 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10155 shut up the compiler.
10157 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10159 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10160 to use lib prefix for target.
10161 ($(T)libic_invalidate_array_4-200.a): Likewise.
10162 ($(T)libic_invalidate_array_4a.a): Likewise.
10164 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10165 J"orn Rennecke <joern.rennecke@st.com>
10167 * superh.opt: New file.
10168 * sh.c (boardtype, osruntime): Remove.
10169 * superh.h (SUBTARGET_OPTIONS): Remove.
10170 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10172 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10173 arguments with ^ and/or [].
10175 * config.gcc (sh-*-*): Add quoting to account for quirk of
10177 Replace == with = in enable_incomplete_targets test.
10179 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10180 with MASK_LITTLE_ENDIAN.
10182 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10183 * config/sh/sh.opt: Added to some comments.
10184 * config/sh/superh.h: Removed some chaff.
10186 * config/sh/sh.opt: Add m4-[1234]00* options.
10187 * config/sh/sh.c (sh_handle_option): Likewise.
10188 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10189 (ic_invalidate_array_4-100.o): New rule.
10190 ($(T)libic_invalidate_array_4-100.a): Likewise.
10191 (ic_invalidate_array_4-200.o): Likewise.
10192 ($(T)libic_invalidate_array_4-200.a): Likewise.
10193 (ic_invalidate_array_4a.o): Likewise.
10194 ($(T)libic_invalidate_array_4a.a): Likewise.
10195 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10196 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10198 * config/sh/crt1.asm: Merged in profiling code.
10199 * config/sh/superh.h (STARTFILE_SPEC): Override.
10200 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10201 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10202 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10204 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10205 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10206 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10208 * sh.opt (mpretend-cmove): New option.
10209 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10210 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10211 (movsicc): Add TARGET_PRETEND_CMOVE code.
10213 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10215 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10216 s390_class_max_nregs): New function prototypes.
10217 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10218 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10219 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10220 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10222 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10224 * dwarf2out.c (add_location_or_const_value_attribute): Call
10225 tree_add_const_value_attribute if nothing else works.
10226 (reference_to_unused): New.
10227 (rtl_for_decl_init): Use reference_to_unused to decide whether
10228 to output an initializer.
10230 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10233 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10234 peephole removing spe frob_di_df_2.
10236 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10238 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10239 (subscript_dependence_tester_1): Declared.
10240 (print_dir_vectors, print_dist_vectors): New.
10241 (debug_data_dependence_relation): New.
10242 (dump_data_dependence_relation): Print more details.
10243 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10244 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10245 (save_dist_v, save_dir_v, add_outer_distances,
10246 build_classic_dist_vector_1): New.
10247 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10248 Don't test for lambda_vector_lexico_pos.
10249 (same_access_functions, add_multivariate_self_dist,
10250 add_other_self_distances, dir_from_dist): New.
10251 (build_classic_dir_vector): Replace implementation almost identical to
10252 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10254 (subscript_dependence_tester_1): New.
10255 (subscript_dependence_tester): Handle the lexicographically negative
10256 distance vectors by recomputing the dependence relation.
10257 (compute_affine_dependence): Remove parameter loop_nest_depth.
10258 (compute_self_dependence): Don't call compute_subscript_distance.
10259 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10260 Add a parameter for the loop_nest.
10261 (find_loop_nest_1, find_loop_nest): New.
10262 (compute_data_dependences_for_loop): Compute the loop nest, and give
10263 up if the nest is not well formed.
10264 * tree-data-ref.h (loop_p): New.
10265 (struct data_dependence_relation): Replace size_vect field with
10266 loop_nest, a vec of loops.
10267 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10268 (DDR_LOOP_NEST): New.
10269 (print_dir_vectors, print_dist_vectors,
10270 debug_data_dependence_relation): Declared.
10271 (index_in_loop_nest): New.
10272 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10273 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10276 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10278 * simplify-rtx.c (simplify_relational_operation): Call
10279 simplify_relational_operation_1 even if mode is VOIDmode.
10281 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10283 PR tree-optimization/26804
10284 * tree.h (DECL_CALL_CLOBBERED): New macro.
10285 (tree_decl_common): Add call_clobbered_flag.
10286 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10287 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10288 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10289 (mark_non_addressable): Ditto.
10290 * tree-ssa.c (verify_call_clobbered): New function.
10291 (verify_alias_info): Use it.
10292 * tree-pass.h (pass_reset_cc_flags): New prototype.
10293 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10294 (reset_cc_flags): New function.
10295 * passes.c (init_optimization_passes): Call reset_cc_flags after
10296 initializing referenced_vars.
10298 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10299 Roger Sayle <roger@eyesopen.com>
10301 PR middle-end/26717
10302 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10303 to 1.0 for non-real operands. Implement A / A optimization for
10306 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10308 * config/i386/i386.c (size_cost): Correct the comment for
10309 cost of storing fp registers.
10310 (i386_cost): Likewise.
10311 (i486_cost): Likewise.
10312 (pentium_cost): Likewise.
10313 (pentiumpro_cost): Likewise.
10314 (k6_cost): Likewise.
10315 (athlon_cost): Likewise.
10316 (k8_cost): Likewise.
10317 (pentium4_cost): Likewise.
10318 (nocona_cost): Likewise.
10319 (generic64_cost): Likewise.
10320 (generic32_cost): Likewise.
10322 2006-03-24 Denis Chertykov <denisc@overta.ru>
10324 * config/avr/avr-protos.h (extra_constraint): Delete.
10325 (extra_constraint_Q): New declaration.
10326 * config/avr/constraints.md: New file.
10327 * config/avr/avr.md: Include it.
10328 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10329 (TMP_REGNO, ZERO_REGNO): Likewise.
10330 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10331 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10332 (extra_constraint): Delete.
10333 (extra_constraint_Q): Test for memory constraint 'Q'.
10334 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10335 (REG_CLASS_FROM_LETTER): Delete.
10336 (CONST_OK_FOR_LETTER_P): Delete.
10337 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10338 (EXTRA_CONSTRAINT): Delete.
10339 (TMP_REGNO): Delete.
10340 (ZERO_REGNO): Delete.
10342 2006-03-24 Jeff Law <law@redhat.com>
10344 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10345 directly. Call mark_new_vars_to_rename slightly earlier.
10347 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10349 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10350 (is_cxx): Likewise.
10351 (gen_compile_unit_die): Use new language types for Objective-C and
10353 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10354 DW_LANG_C_plus_plus.
10357 * config/t-darwin (crt3.o): Work around bug 26840.
10358 * config/darwin-crt3.c: Rewrite.
10359 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10361 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10363 * doc/invoke.texi: Document -femit-class-debug-always
10364 * common.opt: Add -femit-class-debug-always.
10366 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10368 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10369 index and base register.
10370 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10371 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10372 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10373 REGNO_OK_FOR_INDEX_P.
10374 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10376 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10377 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10378 REG_OK_FOR_BASE_P): Definitions removed.
10380 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10382 PR middle-end/26611
10383 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10384 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10385 set yet or weren't marked as local yet.
10387 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10389 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10392 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10394 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10395 (rs6000_legitimate_small_data_p): Delete.
10396 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10397 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10398 and make static. Add forward declaration. Update uses.
10399 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10400 of offsettable_memref_p.
10401 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10402 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10404 2006-03-24 Jeff Law <law@redhat.com>
10406 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10407 around bug in immediate-use iterator.
10409 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10412 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10413 or __LITTLE_ENDIAN__.
10415 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10417 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10418 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10419 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10420 * config/sh/sh.opt (mdiv=): Amend description.
10421 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10422 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10423 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10424 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10425 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10426 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10427 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10428 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10429 TARGET_DIVIDE_CALL_FP.
10431 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10433 * haifa-sched.c (choose_ready): Fix type of the local variable.
10434 Move local variables. Add comment.
10435 (check_reg_live): Change signature. Make callable from debugger.
10436 * sched-int.h (check_reg_live): Update signature.
10437 * sched-ebb.c (check_reg_live): Update parameters.
10438 * sched-rgn.c (check_reg_live): Ditto.
10439 (region_head_or_leaf_p): Check pointer before dereferencing.
10440 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10441 before reload on optimization levels below 1.
10443 2006-03-23 Richard Henderson <rth@redhat.com>
10445 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10449 * config/alpha/predicates.md (local_symbolic_operand): Reject
10452 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10455 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10456 expressions which have overflowed constants.
10458 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10460 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10462 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10464 * cfgloopmanip.c (create_loop_notes): Removed.
10465 * final.c (final_scan_insn): Do not handle loop notes.
10466 * jump.c (squeeze_notes): Ditto.
10467 * cfglayout.c (skip_insns_after_block,
10468 duplicate_insn_chain): Ditto.
10469 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10471 * cfgloop.h (create_loop_notes): Declaration removed.
10473 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10475 * varasm.c (output_constant_pool): Restore fnname and fndecl
10477 (assemble_start_function): Adjust call accordingly.
10478 (assemble_end_function): Likewise.
10480 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10483 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10486 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10488 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10491 * system.h (ICE_EXIT_CODE): New macro.
10492 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10493 (diagnostic_action_after_output): Likewise.
10494 * gcc.c (fatal_ice): New function.
10495 (execute): Use it instead of fatal.
10496 (fancy_abort): Likewise.
10497 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10499 2006-03-22 Jeff Law <law@redhat.com>
10501 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10502 iv_analyze_result returning false.
10504 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10506 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10508 2006-03-22 Richard Henderson <rth@redhat.com>
10510 PR middle-end/26084
10511 * except.c (duplicate_eh_regions_0): New.
10512 (duplicate_eh_region_1): Duplicate the children of the node as
10513 well as the node itself. Link them up properly.
10514 (duplicate_eh_region_2): Merge into ...
10515 (duplicate_eh_regions): ... here. Take copy_region argument, and
10516 copy only a sub-tree if asked. Simplify copying and fixup.
10517 (eh_region_outer_p): New.
10518 * except.h (duplicate_eh_regions): Update decl.
10519 (eh_region_outer_p): Declare.
10520 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10521 (lower_omp_master): Likewise.
10522 (lower_omp_ordered): Likewise.
10523 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10524 (move_stmt_r): Use it to remap labels. Handle recursion vs
10525 remap_decls_p properly.
10526 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10527 (find_outermost_region_in_block): New.
10528 (new_label_mapper): New.
10529 (move_sese_region_to_fn): Copy eh information to the new function
10531 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10533 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10536 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10538 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10539 into shared libraries.
10541 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10543 * doc/md.texi: Refer to i386/constraints.md instead of
10544 i386/predicates.md.
10545 * config/i386/constraints.md: New file, extracted from...
10546 * config/i386/predicates.md: ...here.
10547 * config/i386/i386.md: Include constraints.md.
10549 2006-03-21 Jason Merrill <jason@redhat.com>
10551 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10553 PR middle-end/20297
10554 * expr.c (init_block_move_fn): Force default visibility.
10555 (init_block_clear_fn): Likewise.
10556 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10557 * targhooks.c (default_external_stack_protect_fail): Likewise.
10559 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10561 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10562 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10563 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10564 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10565 (loadgp): Use mips_current_loadgp_style.
10566 (loadgp_noshared): New pattern.
10567 (sibcall_internal): Use MIPS_CALL.
10568 (sibcall_value_internal): Likewise.
10569 (sibcall_value_multiple_internal): Likewise.
10570 (call_internal): Likewise.
10571 (call_value_internal): Likewise.
10572 (call_value_multiple_internal): Likewise.
10573 (call_split): Use MIPS_CALL and add an 'S' constraint.
10574 (call_value_split): Likewise.
10575 (call_value_multiple_split): Likewise.
10576 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10577 (-mshared): New option.
10578 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10579 (mips_current_loadgp_style): Declare.
10580 * config/mips/mips.c (mips_classify_symbol): Avoid using
10581 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10582 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10583 TARGET_ABSOLUTE_ABICALLS.
10584 (override_options): Adjust comments. Improve the warning that is
10585 issued when -mabicalls and -G are used together.
10586 (mips_file_start): Remove comment.
10587 (mips_current_loadgp_style): New function.
10588 (mips_gnu_local_gp): New variable.
10589 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10591 (mips_output_function_prologue): Use mips_current_laodgp_style.
10592 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10593 the cprestore instruction.
10594 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10595 live for TARGET_ABSOLUTE_ABICALLS.
10596 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10597 (ASM_SPEC): Pass down -mshared and -mno-shared.
10598 (MIPS_CALL): New macro.
10599 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10601 * doc/invoke.texi (-mabicalls): Update documentation.
10602 (-mshared): Document.
10604 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10606 * config/ia64/unwind-hpux.c: New file.
10607 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10609 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10612 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10614 2006-03-21 Jeff Law <law@redhat.com>
10616 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10617 type conversions of a VR_VARYING source to a wider type.
10619 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10621 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10622 tm_file on Solaris 10 and later.
10623 (sparc64-*-solaris2*): Likewise.
10624 (sparc-*-solaris2*): Likewise.
10625 * config/sol26.h: Rename to config/sol2-6.h.
10626 * config/sol2-10.h: New file.
10628 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10631 * tree-ssa-pre.c (create_component_ref_by_pieces):
10634 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10637 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10638 return it immediately.
10640 2006-03-21 Michael Matz <matz@suse.de>
10642 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10644 (remove_arc, add_arc): Update num_out_arcs member.
10645 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10647 (cache_presence): New function.
10648 (compare_states_for_equiv): New function.
10649 (state_is_differed): Don't take number of outargs, adjust callers.
10650 Use new invariant for speeding up.
10651 (init_equiv_class): Create initial classes based on sorted
10653 (partition_equiv_class): Don't track out_arcs_num.
10654 (evaluate_equiv_classes): Call cache_presence on all states and
10657 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10659 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10660 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10661 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10662 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10664 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10665 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10666 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10667 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10668 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10670 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10671 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10672 (REGNO_REG_CLASS): ARGP is in PREGS.
10673 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10675 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10676 to deal with those addresses.
10677 * addresses.h: New file.
10678 * caller-save.c: Include "addresses.h".
10679 (init_caller_save): Use new base_reg_class function.
10680 * rtl-factoring.c: Include "addresses.h".
10681 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10682 * recog.c: Include "addresses.h".
10683 (preprocess_constraints): Use new base_reg_class function.
10684 * regrename.c: Include "addresses.h".
10685 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10686 functions. Keep track of a new var INDEX_CODE to compute valid
10688 (replace_oldest_value_addr): Likewise.
10689 (replace_oldest_value_mem): Use base_reg_class.
10690 * reload.c: Include "addresses.h".
10691 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10692 (find_reloads): Use new base_reg_class function.
10693 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10694 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10695 all callers and prototype changed.
10696 * reload1.c: Include "addresses.h".
10697 (maybe_fix_stack_asms): Use base_reg_class.
10698 * regclass.c: Include "addresses.h".
10699 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10700 (init_reg_autoinc): Use new base_reg_class function.
10701 (record_reg_classes): Likewise.
10702 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10703 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10704 Use new args to compute necessary class.
10706 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10707 regrename.o, rtl-factoring.o): Update dependencies.
10708 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10709 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10710 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10711 REG_OK_FOR_INDEX_P): Delete documentation.
10713 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10715 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10716 from V7 to V9 for Solaris 7 and above.
10718 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10720 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10721 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10722 argument pointers may not alias any other storage.
10723 * common.opt: Define option -fargument-noalias-anything.
10724 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10725 alias semantics is specified by flag_argument_noalias > 2.
10727 2006-03-20 Jeff Law <law@redhat.com>
10729 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10730 (pass_phi_only_cprop): Declare.
10731 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10732 with phi_only_cprop
10733 * tree-ssa-dom.c (degenerate_phi_result): New function.
10734 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10735 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10736 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10737 (eliminate_degenerate_phis): Likewise.
10738 (pass_phi_only_cprop): New pass descriptor.
10739 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10740 support code. Callers updated.
10741 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10742 (store_copy_prop): Likewise.
10743 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10745 2006-03-20 Jason Merrill <jason@redhat.com>
10748 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10749 (push_visibility, pop_visibility): Likewise.
10750 * c-pragma.h: Declare them.
10752 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10754 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10756 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10757 parameter and use get_ebb_head_tail.
10758 (sh_md_init_global): Adjust uses of find_regmode_weight.
10760 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10762 * function.h (struct function) <x_tail_recursion_reentry>:
10763 Rename to x_stack_check_probe_note.
10764 (tail_recursion_reentry): Rename to stack_check_probe_note.
10765 * function.c: Replace tail_recursion_reentry with
10766 stack_check_probe_note everywhere.
10767 (expand_function_start): Only emit a note for
10768 stack_check_probe_note with -fstack-protect.
10769 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10771 * emit-rtl.c (remove_unnecessary_notes): Remove.
10772 (pass_remove_unnecessary_notes): Remove.
10773 * rtl.h (remove_unnecessary_notes): Remove prototype.
10774 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10775 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10776 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10778 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10781 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10782 (valid_in_set): Handle ARRAY_REF.
10783 Change "if min_variant or VH" to asserts.
10784 (create_component_ref_by_pieces): Handle ARRAY_REF.
10785 (create_expression_by_pieces): Likewise.
10786 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10788 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10790 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10791 is operand of switch, not str[0].
10793 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10795 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10796 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10798 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10800 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10801 end of insn_extra_address_constraint declaration.
10803 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10805 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10806 (no-sum-in-toc): Same.
10807 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10809 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10810 NO_FP_IN_TOC for -fPIC instead of mask.
10812 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10813 (BOOT_LDFLAGS): Delete.
10815 * config/rs6000/t-aix52: Same.
10817 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10818 (stmsi[345678]_power): New.
10820 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10822 * config/ia64/ia64.opt: Add empty line to end of file.
10824 2006-03-17 Richard Guenther <rguenther@suse.de>
10826 PR middle-end/26721
10827 * builtins.c (get_pointer_alignment): For component style references
10828 adjust alignment to the component type alignment. Make sure
10829 to adjust alignment for component access of constants.
10831 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10833 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10834 unconditional jump.
10836 2006-03-17 Paul Brook <paul@codesourcery.com>
10838 * doc/install.texi: Docuemnt --with-mode.
10839 * config.gcc: Add --with-mode for arm*-*-*.
10840 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10842 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10844 * sh.c (max_labelno_before_reorg): New variable.
10845 (sh_reorg): Initialize it.
10846 (find_barrier): Check max_labelno_before_reorg before using
10847 label_to_alignment. Take length of explicit alignment insns
10848 into account. When seeing a UNSPECV_CONST_END, return it.
10850 * sh.c (fixup_mova): Set mode of affected label to QImode.
10851 (untangle_mova): New function.
10852 (find_barrier): Use it. Check mode of label before decrementing
10854 (sh_reorg): Likewise.
10855 Set mode of all insns back to VOIDmode.
10857 * sh.c (MOVA_LABELREF): New macro.
10858 (mova_p, fixup_mova, sh_reorg): Use it.
10859 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10860 ADDR_DIFF_VEC matches mova.
10862 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10864 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10865 with ATTRIBUTE_UNUSED.
10867 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10869 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10870 pointer, instead of assuming it is possible to derive the
10871 correct args size from a call insn.
10873 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10875 * rtl.h (CONST_INT_P): Define.
10876 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10877 instead of GET_CODE(x) == CONST_INT.
10878 (vax_rtx_costs): Likewise.
10879 (vax_output_int_move): Likewise.
10880 (vax_output_int_add): Likewise.
10881 (legitimate_constant_address_p): Likewise.
10882 (index_term_p): Likewise.
10883 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10884 * config/vax/vax.md (and<mode>3): Likewise.
10885 (ashrsi3): Likewise.
10887 (movstricthi): Likewise.
10888 (movstrictqi): Likewise.
10889 (rotrsi3): Likewise.
10890 (five unnamed insns): Likewise.
10892 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10894 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10895 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10896 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10897 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10898 Pass to ASM_OUTPUT_DWARF_OFFSET.
10899 * dwarf2out.c (debug_frame_section): New.
10900 (output_call_frame_info): Use debug_frame_section. Pass it to
10901 dw2_asm_output_offset.
10902 (output_die): Pass appropriate section to dw2_asm_output_offset.
10903 (output_compilation_unit_header): Likewise.
10904 (output_pubnames): Likewise.
10905 (output_aranges): Likewise.
10906 (enum dw_val_class): Break dw_val_class_lbl_offset into
10907 dw_val_class_lineptr and dw_val_class_macptr.
10908 (add_AT_lbl_offset): Delete.
10909 (add_AT_lineptr): New.
10910 (add_AT_macptr): New.
10911 (AT_lbl): Expect a lineptr or macptr.
10912 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10913 (attr_checksum): Likewise.
10914 (same_dw_val_p): Likewise.
10915 (size_of_die): Likewise.
10916 (value_format): Likewise.
10917 (output_die): Likewise.
10918 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10920 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10921 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10922 * config/darwin-protos.h (darwin_file_start): New.
10923 (darwin_asm_output_dwarf_offset): New.
10924 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10925 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10927 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10928 if not EH section; simplify.
10929 (darwin_file_start): New.
10930 (darwin_asm_output_dwarf_offset): New.
10931 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10933 (DEBUG_INFO_SECTION): Likewise.
10934 (DEBUG_ABBREV_SECTION): Likewise.
10935 (DEBUG_ARANGES_SECTION): Likewise.
10936 (DEBUG_MACINFO_SECTION): Likewise.
10937 (DEBUG_LINE_SECTION): Likewise.
10938 (DEBUG_LOC_SECTION): Likewise.
10939 (DEBUG_PUBNAMES_SECTION): Likewise.
10940 (DEBUG_STR_SECTION): Likewise.
10941 (DEBUG_RANGES_SECTION): Likewise.
10942 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10943 (ASM_OUTPUT_DWARF_OFFSET): New.
10945 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10947 * config.gcc (tm_defines): Always add to previous value rather
10950 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10952 * config/mips/predicates.md (splittable_const_int_operand): New,
10953 split from move_operand.
10954 (splittable_symbolic_operand): New.
10955 (move_operand): Add commentary. Use splittable_const_int_operand.
10956 Inline mips_atomic_symbolic_constant_p.
10957 * config/mips/mips.md: Add combine splitters for handling moves
10958 of splittable_const_int_operands and splittable_symbolic_operands.
10959 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10960 (mips_split_symbol): Declare.
10961 (mips_move_integer): Declare.
10962 * config/mips/mips.c (mips_split_p): Make global.
10963 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10964 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10965 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10966 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10967 (mips_offset_within_object_p): Handle block symbols.
10968 (mips_atomic_symbolic_constant_p): Delete.
10969 (mips_cannot_force_const_mem): Return false for constants that
10970 mips_legitimize_move can handle.
10971 (mips_use_blocks_for_constant_p): New function.
10972 (mips_split_symbol): Make global.
10973 (mips_move_integer): Likewise. Add a temporary register argument.
10974 (mips_legitimize_const_move): Use splittable_const_int_operand and
10975 splittable_symbolic_operand.
10976 (mips_use_anchors_for_symbol_p): New function.
10977 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10978 (mips_split_p): Declare.
10980 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10982 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10983 (mips*-*-linux*): Likewise.
10985 2006-03-16 Roger Sayle <roger@eyesopen.com>
10986 Daniel Speyer <dspeyer@wam.umd.edu>
10988 PR middle-end/18259
10989 * tree-dump.c (dump_real): New function.
10990 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10991 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10992 (tree-dump.o): Add $(REAL_H) to the dependencies.
10994 2006-03-16 Roger Sayle <roger@eyesopen.com>
10996 PR middle-end/21781
10997 * real.c (real_from_string): If the mantissa is zero, don't bother
10998 parsing the exponent as the result should always be zero.
11000 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11002 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11004 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11006 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11007 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11008 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11009 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11010 ia64_sched_finish_global): New static functions to implement
11011 hooks from gcc_target.sched.
11012 (spec_check_no, max_uid, pending_data_specs): New static variables.
11013 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11014 ia64_spec_check_src_p): New static functions.
11015 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11016 (TARGET_SCHED_ADJUST_COST): Removed.
11017 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11018 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11019 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11020 TARGET_SCHED_GEN_CHECK,
11021 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11022 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11023 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11024 Fixed to handle speculation checks.
11025 (rtx_needs_barrier): Fixed to handle speculative loads and
11027 (ia64_variable_issue): Added code to count speculative loads and their
11029 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11031 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11033 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11035 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11036 (ia64_reorg): Reset stops_p to NULL after it is freed.
11037 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11038 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11039 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11041 (data_speculative, control_speculative, check_load): New attributes.
11042 (mov<mode>_advanced, mov<mode>_speculative,
11043 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11044 zero_extend<mode>di2_speculative,
11045 zero_extend<mode>di2_speculative_advanced): New patterns for
11046 data and control speculative loads.
11047 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11049 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11050 New pattern for data and control speculation checks.
11051 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11052 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11053 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11054 Auxiliary definitions for the patterns.
11055 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11056 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11058 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11060 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11061 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11062 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11063 New resource constraints.
11064 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11066 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11067 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11068 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11069 msched-in-control-spec, msched-ldc, msched-control-ldc,
11070 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11071 msched-prefer-non-control-spec-insns,
11072 msched-count-spec-in-critical-path): New flags to tune speculative
11074 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11075 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11076 msched-in-control-spec, msched-ldc, msched-control-ldc,
11077 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11078 msched-prefer-non-control-spec-insns,
11079 msched-count-spec-in-critical-path): Document new flags.
11081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11083 * target.h (struct spec_info_def): New opaque declaration.
11084 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11085 speculate_insn, needs_block_p, gen_check,
11086 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11087 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11088 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11089 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11090 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11091 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11093 (TARGET_SCHED): Use new macros.
11094 * rtl.h (copy_DEPS_LIST_list): New prototype.
11095 * sched-int.h (struct sched_info): Change signature of new_ready field,
11096 adjust all initializations. New fields: add_remove_insn,
11097 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11098 region_head_or_leaf_p.
11099 (struct spec_info_def): New structure declaration.
11100 (spec_info_t): New typedef.
11101 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11102 recovery_block, orig_pat.
11103 (glat_start, glat_end): New variables declaraions.
11104 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11106 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11107 DETACH_LIFE_INFO, USE_GLAT.
11108 (enum SPEC_SCHED_FLAGS): New enumeration.
11109 (NOTE_NOTE_BB_P): New macro.
11110 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11111 attach_life_info, debug_spec_status, check_reg_live): New functions.
11112 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11113 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11115 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11116 * ddg.c (get_block_head_tail): Adjust all uses.
11117 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11118 (sms_sched_info): Initialize new fields.
11119 (contributes_to_priority): Removed.
11120 * haifa-sched.c (params.h): New include.
11121 (get_block_head_tail): Adjust all uses.
11122 (ISSUE_POINTS): New macro.
11123 (glat_start, glat_end): New global variables.
11124 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11125 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11126 old_last_basic_block, before_recovery, current_sched_info_var,
11127 rgn_n_insns, luid): New static variables.
11128 (insn_cost1): New function. Move logic from insn_cost to here.
11129 (find_insn_reg_weight1): New function. Move logic from
11130 find_insn_reg_weight to here.
11131 (reemit_notes, move_insn, max_issue): Change signature.
11132 (move_insn1): Removed.
11133 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11134 extend_bb): New static functions to support extension of scheduler's
11136 (generate_recovery_code, process_insn_depend_be_in_spec,
11137 begin_speculative_block, add_to_speculative_block,
11138 init_before_recovery, create_recovery_block, create_check_block_twin,
11139 fix_recovery_deps): New static functions to support
11140 generation of recovery code.
11141 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11142 restore_bb_notes, move_block_after_check, move_succs): New static
11143 functions to support ebb scheduling.
11144 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11145 functions to support handling of register live information.
11146 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11147 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11148 add_jump_dependencies): New static functions.
11149 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11150 consistancy checking.
11151 (debug_spec_status): New function to call from debugger.
11152 (priority): Added code to handle speculation checks.
11153 (rank_for_schedule): Added code to distinguish speculative instructions.
11154 (schedule_insn): Added code to handle speculation checks.
11155 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11156 Fixed to handle ebbs.
11157 (move_insn): Added code to handle ebb scheduling.
11158 (max_issue): Added code to use ISSUE_POINTS of instructions.
11159 (choose_ready): Added code to choose between speculative and
11160 non-speculative instructions.
11161 (schedule_block): Added code to handle ebb scheduling and scheduling of
11162 speculative instructions.
11163 (sched_init): Initialize new variables.
11164 (sched_finish): Free new variables. Print statistics.
11165 (try_ready): Added code to handle speculative instructions.
11166 * lists.c (copy_DEPS_LIST_list): New function.
11167 * sched-deps.c (extend_dependency_caches): New function. Move logic
11168 from create_dependency_caches to here.
11169 (get_dep_weak, ds_merge): Make global.
11170 * genattr.c (main): Code to output prototype for
11171 dfa_clear_single_insn_cache.
11172 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11173 (output_dfa_clean_insn_cache_func): Code to output
11174 dfa_clear_single_insn_cache function.
11175 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11177 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11179 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11180 New static variables.
11181 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11182 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11184 (ebb_sched_info): Initialize new fields.
11185 (get_block_head_tail): Adjust all uses.
11186 (compute_jump_reg_dependencies): Fixed to use glat_start.
11187 (schedule_ebb): Code to remove unreachable last block.
11188 (schedule_ebbs): Added code to update register live information.
11189 * sched-rgn.c (region_sched_info): Initialize new fields.
11190 (get_block_head_tail): Adjust all uses.
11191 (last_was_jump): Removed. Adjust users.
11192 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11193 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11194 Implement new hooks.
11195 (check_dead_notes1): New static function.
11196 (struct region): New fields: dont_calc_deps, has_real_ebb.
11197 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11198 (BB_TO_BLOCK): Fixed to handle EBBs.
11199 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11200 (ebb_head): New static variable.
11201 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11202 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11204 (compute_dom_prob_ps): New assertion.
11205 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11206 global_live_at_start.
11207 (init_ready_list): New assertions.
11208 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11209 (new_ready): Add support for BEGIN_CONTROL speculation.
11210 (schedule_insns): Fixed code that updates register live information
11212 (schedule_region): Fixed to handle EBBs.
11213 (init_regions): Use extend_regions and check_dead_notes1.
11214 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11215 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11216 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11217 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11218 TARGET_SCHED_GEN_CHECK,
11219 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11220 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11221 * doc/invoke.texi (max-sched-insn-conflict-delay,
11222 sched-spec-prob-cutoff): Document.
11224 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11226 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11227 inter_tick, queue_index.
11228 (struct sched_info): Change signature of init_ready_list field.
11229 Adjust all initializations.
11230 (RESOLVED_DEPS): New access macro.
11231 (ready_add): Remove prototype.
11232 (try_ready): Add prototype.
11233 * sched-rgn.c (init_ready_list): Use try_ready.
11234 (schedule_region): Initialize
11235 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11236 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11237 (init_ready_list): Use try_ready.
11238 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11239 * lists.c (remove_list_elem): Remove `static'.
11240 (remove_free_INSN_LIST_elem): New function.
11241 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11242 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11243 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11245 (readyp): New variable.
11246 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11247 change_queue_index, resolve_dep): New static functions.
11248 (try_ready): New function. Adjust callers in sched-rgn.c and
11249 sched-ebb.c to use it instead of ready_add.
11250 (clock_var): Move at the begining of file.
11251 (rank_for_schedule): Fix typo.
11252 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11253 (ready_lastpos): Enforce assertion.
11254 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11255 update all callers.
11256 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11257 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11258 (queue_to_ready): Use free_INSN_LIST_list.
11259 (early_queue_to_ready): Fix typo.
11260 (schedule_block): Init readyp. Move init_ready_list call after the
11261 initialization of clock_var. Fix error in rejecting insn by
11262 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11263 that previously corrected INSN_TICKs. Add code for handling
11265 (set_priorities): Fix typo.
11266 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11267 Clarify comment and code that keeps current_sched_info->next_tail
11270 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11272 * sched-rgn.c (extend_rgns): New static function.
11273 (find_rgns): Use it.
11274 (gather_region_statistics, print_region_statistics): New static
11276 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11277 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11280 Andrey Belevantsev <abel@ispras.ru>
11282 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11283 * lists.c (unused_deps_list): New variable.
11284 (free_list): Add assertions to verify the proper distinguishing
11285 between INSN_LISTs and DEPS_LISTs.
11286 (find_list_elem, remove_list_elem, remove_list_node): New static
11288 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11289 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11290 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11291 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11293 (free_INSN_LIST_node): Likewise.
11294 * modulo-sched.c (current_sched_info): Initialize flags field.
11295 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11296 * rtl.def (DEPS_LIST): Define.
11297 * rtl.h: Declare new functions from lists.c.
11298 * sched-deps.c (spec_dependency_cache): New static variable.
11299 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11300 (add_dependence): Change return type to void. Move the logic to ...
11301 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11302 (delete_all_dependences): Add comment about forward_dependency_cache.
11303 Handle spec_dependency_cache. Handle DEPS_LISTs.
11304 (fixup_sched_groups): Clarify the change of priority of output
11305 and anti dependencies.
11306 (sched_analyze_2): Adjust add_dependence calls to create data
11307 speculative dependence.
11308 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11309 Adjust all callers. Handle DEPS_LISTS.
11310 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11311 presence of speculation.
11312 (init_dependency_caches, free_dependency_caches):
11313 Handle spec_dependency_cache.
11314 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11315 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11316 New static functions.
11317 (add_or_update_back_dep, add_or_update_back_forw_dep,
11318 add_back_forw_dep, delete_back_forw_dep): New functions.
11319 * sched-int.h (ds_t, dw_t): New typedefs.
11320 (struct sched_info): Add new field flags.
11321 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11322 Prototype new sched-deps.c functions.
11323 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11324 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11325 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11326 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11327 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11328 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11330 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11332 * sched-rgn.c (current_sched_info): Initialize flags field.
11333 (schedule_insns): Initialize current_sched_info before the sched_init
11335 * sched-ebb.c (current_sched_info): Initialize flags field.
11336 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11337 Call add_or_update_back_dep instead of add_dependence.
11338 Create control speculative dependencies.
11339 (schedule_insns): Initialize current_sched_info before the sched_init
11342 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11344 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11346 (sh_fallback_frame_state): Likewise.
11348 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11350 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11351 Do switch on default_use_cxa_atexit.
11352 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11353 * config/darwin-crt3.o: New.
11354 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11355 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11356 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11358 * config/rs6000/t-darwin: Move crt2.o building to here.
11359 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11360 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11363 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11365 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11366 from '! xxx' to '!xxx' for coding-style conformance.
11367 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11368 (EXTRA_CONSTRAINT): Likewise.
11369 * config/vax/vax.md (four unnamed insns): Likewise.
11371 2006-03-15 Paul Brook <paul@codesourcery.com>
11373 * config/arm/arm.c (minipool_pad): New.
11374 (add_minipool_forward_ref): Include pool alignment padding in address
11376 (push_minipool_fix): Set minipool_pad.
11377 (minipool_pad): Ditto.
11379 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11381 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11382 instead of GET_CODE() == MEM and REG_P() instead of
11384 (print_operand_address): Likewise.
11385 (vax_address_cost): Likewise.
11386 (vax_rtx_costs): Likewise.
11387 (vax_notice_update_cc): Likewise.
11388 (vax_output_int_add): Likewise.
11389 (INDEX_REGISTER_P): Likewise.
11390 (BASE_REGISTER_P): Likewise.
11391 (nonindexed_address_p): Likewise.
11392 (vax_mode_dependent_address_p): Likewise.
11393 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11394 (PRINT_OPERAND): Likewise.
11395 * config/vax/vax.md (ashlsi3): Likewise.
11396 (ashlsi3): Likewise.
11397 (some more unnamed insns): Likewise.
11399 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11401 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11402 iterator-style macro.
11403 (mark_control_dependent_edges_necessary): Update the use of
11404 EXECUTE_IF_CONTROL_DEPENDENT.
11406 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11408 * config/sh/predicates.md (cache_address_operand): Special.
11409 (ua_address_operand): Likewise.
11411 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11413 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11415 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11417 2006-03-15 Andreas Schwab <schwab@suse.de>
11419 * gensupport.c (identify_predicable_attribute): Don't free p_false
11420 when it is still in use.
11422 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11424 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11425 the default setting here.
11427 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11429 * tree-pass.h (pass_cfg): Remove.
11430 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11431 * passes.c (pass_cfg): Don't run it.
11433 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11435 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11436 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11438 (stack_regs_mentioned): Update the uses of
11439 stack_regs_mentioned_data. Don't access the array beyond its
11441 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11442 Don't include gt-reg-stack.h.
11444 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11445 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11447 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11449 PR middle-end/26684
11450 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11453 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11455 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11457 2006-03-14 Richard Guenther <rguenther@suse.de>
11459 PR tree-optimization/26672
11460 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11463 2006-03-14 Richard Guenther <rguenther@suse.de>
11465 PR tree-optimization/26667
11466 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11467 node for the callees. Always allow inlining if it will shrink
11470 2006-03-14 Richard Guenther <rguenther@suse.de>
11472 PR middle-end/26659
11473 * builtins.c (get_pointer_alignment): Prefer alignment
11474 information from decls over that from types.
11476 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11479 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11481 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11483 * config/rs6000/rs6000.opt (mdlmzb): New option.
11484 (msched-prolog, msched-epilog): Use Var not Mask.
11485 * doc/invoke.texi (-mdlmzb): Document.
11486 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11488 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11489 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11491 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11493 PR rtl-optimization/25739
11494 * bt-load.c (augment_live_range): Free tos pointer.
11496 * gensupport.c (identify_predicable_attribute): Free
11498 * gcov.c (create_file_names): Free name pointer.
11500 2006-03-13 Roger Sayle <roger@eyesopen.com>
11502 PR middle-end/26557
11503 * stmt.c (emit_case_nodes): Handle the case where the index is a
11504 CONST_INT, where the comparison mode is specified by the index type.
11506 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11508 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11511 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11513 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11514 (*branch_fp_inverted): Likewise.
11516 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11518 PR middle-end/25989
11519 * omp-low.c (expand_omp_for_generic): Mark istart0
11520 and iend0 as addressable.
11522 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11524 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11526 2006-03-13 Jeff Law <law@redhat.com>
11528 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11529 virtual operands are interesting.
11530 (vrp_visit_stmt): Corresponding changes.
11532 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11534 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11536 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11537 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11538 * config/bfin/crti.S: Use it instead of __PIC__.
11539 * config/bfin/crtn.S: Likewise.
11541 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11542 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11544 Lose 'G' modifier for call operand.
11545 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11546 recognize 'G' modifier.
11548 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11550 PR middle-end/18859
11551 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11552 * stmt.c (expand_case): Likewise.
11554 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11556 PR rtl-optimization/26254
11557 * loop-invariant.c (seq_insns_valid_p): New function.
11558 (move_invariant_reg): Only emit new code if it is valid.
11560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11562 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11564 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11565 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11566 (commit_one_edge_insertion): Do not look for loop notes.
11568 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11570 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11571 flag_test_coverage out of loop.
11573 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11575 * final.c (shorten_branches): Remove outdated comment, and turn
11576 the if branch that guards it to continue.
11578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11580 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11581 * cfgloop.h (struct loop): Remove unused fields.
11583 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11585 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11586 (-dL, -fdump-rtl-loop2): Update the dump file names
11588 * doc/invoke.texi: Update dump file names.
11590 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11592 * predict.c (estimate_probability): Remove.
11593 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11594 * basic-block.h (estimate_probability): Remove prototype.
11595 * passes.c (finish_optimization_passes): Dump branch prediction or
11596 profiling heuristics to the .profile tree dump.
11597 (init_optimization_passes): Unqueue pass_branch_prob.
11599 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11601 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11603 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11604 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11606 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11608 * function.h (frame_offset_overflow): Declare.
11609 * function.c (frame_offset_overflow): New function.
11610 (assign_stack_local_1): Call it to detect that the offset overflows.
11611 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11613 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11615 * config/sh/sh.c: Include alloc-pool.h.
11616 (label_ref_list_pool): New alloc pool.
11617 (label_ref_list_t): New type for lists of labels.
11618 (struct pool_node): Make wend a label_ref_list_t.
11619 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11621 (dump_table): Likewise.
11622 (sh_reorg): Set up the alloc pool before using add_constant and
11623 dump_table, and destroy it when finishing.
11625 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11627 * config/mips/mips.c: Remove redundant comment.
11629 2006-03-10 Jason Merrill <jason@redhat.com>
11632 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11633 the target was declared 'register'.
11635 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11637 * genpreds.c (write_insn_constraint_len): Change definition of
11638 insn_constraint_len to return size_t to match the declaration.
11640 2006-03-10 DJ Delorie <dj@redhat.com>
11642 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11644 (m32c_expand_insv): Fix test for an AND mask.
11646 2006-03-10 Richard Guenther <rguenther@suse.de>
11648 PR middle-end/26565
11649 * builtins.c (get_pointer_alignment): Handle component
11650 references for field alignment.
11652 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11654 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11655 when building with libgloss.
11656 (sh*elf): Implement --without-fp option.
11657 (sh64-superh-linux*): Don't multilib.
11659 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11661 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11663 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11665 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11666 Set it when one of the replacement functions returned true.
11667 Return TODO_cleanup_cfg if cfgchanged is true.
11668 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11670 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11672 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11673 instead of gen_lowpart.
11675 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11677 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11679 (mips_output_order_conditional_branch): Declare.
11680 * config/mips/mips.h (MIPS_BRANCH): New macro.
11681 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11682 for the comparison. Use gen_condjump.
11683 (mips_output_conditional_branch): Rework interface to take the
11684 asm templates for a direct branch and the inverse of a direct branch.
11685 (mips_output_order_conditional_branch): New function.
11686 (mips_builtin_branch_and_move): New function.
11687 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11688 branch condition. Use gen_single_cc as the condition for
11689 __builtin_mips_upper_* or __builtin_mips_lower_*.
11690 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11691 Use VOIDmode for the branch condition.
11692 * config/mips/predicates.md (order_operator): New predicate.
11693 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11694 (branch_fp): Rename to...
11695 (*branch_fp): ...this. Remove mode from comparison operator.
11696 Use new mips_output_conditional_branch interface.
11697 (branch_fp_inverted): Rename to...
11698 (*branch_fp_inverted): ...this and update as for *branch_fp.
11699 (*branch_zero<mode>): Rename to...
11700 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11701 Use mips_output_order_conditional_branch. Only accept ordered
11703 (*branch_zero<mode>_inverted): Rename to...
11704 (*branch_order<mode>_inverted): ...this and update as for
11705 *branch_order<mode>.
11706 (*branch_equality<mode>): Accept zero as the second operand to
11707 the equality operator. Use the new mips_output_conditional_branch
11709 (*branch_equality<mode>_inverted): Likewise.
11710 (condjump): New expander.
11711 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11713 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11714 (bc1any2t, bc1any2f): Likewise.
11715 (single_cc): New expander.
11716 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11718 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11720 * doc/md.texi: Update documentation of MIPS constraints.
11721 * config/mips/constraints.md: New file.
11722 * config/mips/mips.md: Include it.
11723 * config/mips/mips.c (mips_char_to_class): Delete.
11724 (override_options): Don't initialize mips_char_to_class.
11725 * config/mips/mips.h (mips_char_to_class): Delete.
11726 (REG_CLASS_FROM_LETTER): Delete.
11727 (CONST_OK_FOR_LETTER_P): Delete.
11728 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11729 (EXTRA_CONSTRAINT_Y): Delete.
11730 (EXTRA_CONSTRAINT_STR): Delete.
11731 (CONSTRAINT_LEN): Delete.
11732 (EXTRA_MEMORY_CONSTRAINT): Delete.
11734 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11736 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11737 original fn's eh regions.
11739 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11741 * fold-const.c (build_range_check): Make sure to use a valid type to
11742 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11745 (range_predecessor): New static function.
11746 (range_successor): Likewise.
11747 (merge_ranges): Use them to compute predecessors and successors of
11750 2006-03-09 Roger Sayle <roger@eyesopen.com>
11752 PR middle-end/26561
11753 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11754 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11756 2006-03-08 DJ Delorie <dj@redhat.com>
11758 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11759 (addpsi3): Expand to include memory operands. Remove
11760 reload-specific splits.
11761 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11762 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11763 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11764 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11765 (shift1_qi, shift1_hi, insv): New.
11766 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11767 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11768 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11770 * config/m32c/m32c-protos.h: Update as needed.
11771 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11772 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11773 Fail for unrecognized R* constraints.
11774 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11775 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11776 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11778 (m32c_init_libfuncs): New.
11779 (m32c_legitimate_address_p): Add debug wrapper.
11780 (m32c_rtx_costs): New.
11781 (m32c_address_cost): New.
11782 (conversions): Add 'B' prefix.
11783 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11784 operands, or word regnames for QI operands. 'B' prints bit
11786 (m32c_expand_setmemhi): New.
11787 (m32c_expand_movmemhi): New.
11788 (m32c_expand_movstr): New.
11789 (m32c_expand_cmpstr): New.
11790 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11791 (m32c_expand_neg_mulpsi3): Handle non-ints.
11792 (m32c_cmp_flg_0): New.
11793 (m32c_expand_movcc): New.
11794 (m32c_expand_insv): New.
11795 (m32c_scc_pattern): New.
11796 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11797 a0/a1 out of SIregs.
11798 (STORE_FLAG_VALUE): New.
11799 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11802 * config/m32c/mov.md: Make constraints more liberal.
11803 (zero_extendqihi2): Optimize r0/r1 case.
11804 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11805 * config/m32c/predicates.md (m32c_any_operand): New.
11806 (m32c_nonimmediate_operand): New.
11807 (m32c_hl_operand): New.
11808 (m32c_r3_operand): New.
11811 (memsym_operand): New.
11812 (memimmed_operand): New.
11813 (a_qi_operand): New.
11814 (m32c_eqne_operator): New.
11815 (m32c_1bit8_operand): New.
11816 (m32c_1bit16_operand): New.
11817 (m32c_1mask8_operand): New.
11818 (m32c_1mask16_operand): New.
11819 * config/m32c/blkmov.md: New file.
11820 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11822 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11824 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11825 unsigned to fix signed/unsigned comparison issue in
11826 DWARF2_FRAME_REG_OUT.
11827 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11828 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11830 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11831 of ptr into the ENABLE_CHECKING section.
11833 2006-03-08 Jeff Law <law@redhat.com>
11835 * tree-vrp.c (infer_value_range): Only count pointer uses
11836 and dereferences if -fdelete-null-pointer-checks is enabled.
11838 * tree-vrp.c (find_assert_locations): Infer value ranges for
11839 single use pointers, but do not create ASSERT_EXPRs for them.
11840 When a non-null range is inferred for a pointer, backwards
11841 propagate that range to other equivalent pointers through the
11844 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11847 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11848 language hook targets.
11849 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11850 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11851 if language hook targets were missing.
11853 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11855 * tree-ssa-opfinalize.h: Removed.
11856 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11858 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11859 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11860 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11861 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11862 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11863 finalize_ssa_v_must_def_ops): New.
11865 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11867 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11868 block as parameter.
11870 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11872 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11874 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11875 addresses with offsets; reorganize.
11877 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11878 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11879 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11881 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11884 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11886 2006-03-08 Ben Elliston <bje@au.ibm.com>
11888 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11890 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11893 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11896 2006-03-07 Richard Guenther <rguenther@suse.de>
11898 PR tree-optimization/26587
11899 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11901 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11903 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11905 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11907 * hooks.c (hook_bool_mode_rtx_true): New function.
11908 * hooks.h (hook_bool_mode_rtx_true): Declare.
11909 * toplev.c (compile_file): Call output_shared_constant_pool.
11910 * varasm.c (shared_constant_pool): New variable.
11911 (assemble_start_function, assemble_end_function): Remove arguments
11912 from call to output_constant_pool.
11913 (create_constant_pool): New function, split out from...
11914 (init_varasm_status): ...here.
11915 (force_const_mem): Choose between the shared and per-function constant
11916 pools. Set current_function_uses_const_pool when reusing old entries
11917 as well as when creating new ones.
11918 (mark_constant): Ignore data argument.
11919 (mark_constants): Remove pool argument.
11920 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11921 to decide whether the function uses a constant pool.
11922 (output_constant_pool_contents): New function, split out from...
11923 (output_constant_pool): ...here.
11924 (output_shared_constant_pool): New function.
11925 (init_varasm_once): Initialize shared_constant_pool.
11926 * output.h (output_constant_pool): Delete.
11927 (output_shared_constant_pool): Declare.
11928 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11929 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11931 2006-03-06 Nick Clifton <nickc@redhat.com>
11933 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11934 flag_strength_reduce.
11936 2006-03-06 Ben Elliston <bje@au.ibm.com>
11938 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11939 x86_64-*-linux* configurations.
11941 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11942 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11944 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11946 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11948 * basic-block.h: Remove the extern for
11949 rediscover_loops_after_threading.
11951 * cfgloop.c (cancel_loop): Make it static.
11952 * cfgloop.h: Remove the prototype for cancel_loop.
11954 * flow.c (recompute_reg_usage): Make it static.
11955 * rtl.h: Remove the prototype for recompute_reg_usage.
11957 * function.c (use_return_register): Make it static.
11958 * function.h: Remove the prototype.
11960 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11962 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11964 * recog.h: Remove the prototype for
11965 validate_change_maybe_volatile.
11967 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11969 * rtlanal.c (replace_reg): Remove.
11970 * rtl.h: Remove the prototype for replace_reg.
11972 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11974 * regclass.c (reg_scan_update): Remove.
11975 (reg_scan_mark_refs): Remove the last argument.
11976 * rtl.h: Remove the prototype for reg_scan_update.
11978 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11980 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11981 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11982 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11983 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11984 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11985 loop-invariant.c, omp-low.c, opts.c, passes.c,
11986 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11987 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11988 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11989 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11990 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11991 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11993 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11995 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11996 * dwarf2out.h: Remove the prototype for
11997 dwarf2out_add_library_unit_info.
11999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12001 * tree.c (add_var_to_bind_expr): Remove.
12002 * tree.h: Remove the prototype for add_var_to_bind_expr.
12004 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12006 * regclass.c (n_non_fixed_regs): Remove.
12007 (init_reg_sets_1, globalize_reg): Remove all uses of
12009 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12013 * rtlanal.c (insns_safe_to_move_p): Remove.
12014 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12016 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12018 * expmed.c (expand_mult_add): Remove.
12019 * expr.h: Remove the prototype for expand_mult_add.
12021 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12023 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12024 and REG_SAVED_VAL_EXP constants.
12025 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12026 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12027 Handle regs stored by value.
12028 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12029 (execute_cfa_program): Handle DW_CFA_val_offset,
12030 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12031 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12032 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12033 (uw_install_context_1): Handle target regs stored by value.
12035 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12037 * tree-sra.c (tree_sra): Return todoflags;
12038 (generate_one_element): Set TODO_update_smt_usage if needed.
12039 (pass_sra): Remove TODO_update_smt_usage.
12040 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12042 (tree_ssa_forward_propagate_single_use_vars): Return
12043 TODO_update_smt_usage if we need to update SMT usage.
12044 (pass_forwprop): Remove TODO_update_smt_usage.
12046 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12048 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12049 (correct_use_link): Remove reference to get_stmt_operands.
12050 (update_stmt_operands): Likewise.
12051 (get_modify_expr_operands): New function factored out of
12052 parse_ssa_operands and get_expr_operands.
12053 Try to create V_MUST_DEFs for LHS by default.
12054 (get_expr_operands) <case MODIFY_EXPR>: Call
12055 get_modify_expr_operands.
12056 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12057 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12058 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12059 get_modify_expr_operands.
12061 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12063 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12064 * tree-flow.h: Remove the prototype for
12065 referenced_var_lookup_if_exists.
12067 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12069 PR rtl-optimization/26345
12071 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12073 2006-03-03 Roger Sayle <roger@eyesopen.com>
12075 PR tree-optimization/26524
12076 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12077 fold_convert to create a constant of the appropriate type.
12079 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12081 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12082 SYMBOL_REF_IN_BLOCK_P.
12083 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12084 of SYMBOL_FLAG_IN_BLOCK.
12085 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12086 instead of SYMBOL_REF_IN_BLOCK_P.
12087 * explow.c (use_anchored_address): Likewise.
12088 * rtl.c (rtx_size): Likewise.
12089 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12090 instead of SYMBOL_FLAG_IN_BLOCK.
12091 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12092 SYMBOL_REF_IN_BLOCK_P.
12093 (assemble_variable): Likewise.
12094 (output_constant_def_contents): Likewise.
12095 (output_constant_pool): Likewise.
12096 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12097 instead of SYMBOL_FLAG_IN_BLOCK.
12098 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12099 SYMBOL_REF_IN_BLOCK_P.
12100 (SYMBOL_REF_BLOCK): Likewise.
12101 (SYMBOL_REF_OFFSET): Likewise.
12102 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12103 SYMBOL_REF_IN_BLOCK_P.
12104 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12105 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12106 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12107 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12109 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12111 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12113 2006-03-02 Roger Sayle <roger@eyesopen.com>
12115 * simplify-rtx.c (simplify_unary_operation): When simplifying
12116 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12117 that we perform the right shift in the appropriate mode, and
12118 then extend or truncate the result to requested mode.
12120 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12122 * gengtype.c (main): Handle double_int type.
12123 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12124 * double-int.c: New file.
12125 * double-int.h: New file.
12126 * system.h: Include doubleint.h.
12127 * Makefile.in (SYSTEM_H): Include double-int.h.
12128 (double-int.o): Add.
12130 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12133 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12136 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12138 * tree-vrp.c (remove_range_assertions): Do not update statements
12141 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12143 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12145 * gcse.c (rest_of_handle_gcse): Ditto.
12146 * except.c (gate_handle_eh): Ditto.
12147 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12148 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12150 2006-03-02 Eric Christopher <echristo@apple.com>
12152 * config/i386/i386.c (machopic_output_stub): Add indirection to
12155 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12159 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12161 Sun Niagara specific optimizations.
12162 * config.gcc: Recognize niagara as target.
12163 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12164 (TARGET_CPU_niagara): Define.
12165 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12166 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12167 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12168 (ASM_CPU_SPEC): Likewise.
12169 (PROCESSOR_NIAGARA): New enum entry.
12170 (REGISTER_MOVE_COST): Handle Niagara.
12171 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12172 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12173 (sparc_override_options): Recognize "niagara", set appropriate
12174 default MASK_* values for it, and align functions to 32-bytes
12175 by default just like ULTRASPARC/ULTRASPARC3.
12176 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12177 (sparc64_initialize_trampoline): Likewise.
12178 (sparc_use_sched_lookahead): Use zero for niagara.
12179 (sparc_issue_rate): Use one for niagara.
12180 * config/sparc/niagara.md: New file.
12181 * config/sparc/sparc.md: Include it.
12182 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12183 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12184 when default cpu is niagara.
12185 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12186 (ASM_CPU_SPEC): Likewise.
12187 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12188 when default cpu is niagara.
12189 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12190 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12191 just like v9/ultrasparc/ultrasparc3.
12192 * doc/invoke.texi: Add documentation for "niagara" and improve
12193 existing documentation for ultrasparc variants.
12195 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12197 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12199 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12201 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12202 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12203 and say that only one is needed.
12204 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12205 * target.h (have_switchable_bss_sections): New hook.
12206 * explow.c (use_anchored_address): Check that the symbol is in a block.
12207 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12208 (bss_noswitch_section): New variables.
12209 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12210 (get_noswitch_section): New function.
12211 (get_block_for_section): Allow SECT to be null.
12212 (unlikely_text_section_p): Use SECTION_STYLE.
12213 (bss_initializer_p): New function.
12214 (get_variable_section): Move earlier in file. Take a new argument,
12215 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12216 Return one of the new *_sections in such cases.
12217 (get_block_for_decl): New function, extracting some logic from
12218 use_blocks_for_decl_p.
12219 (change_symbol_section): Remove in favor of...
12220 (change_symbol_block): ...this new function.
12221 (use_blocks_for_decl_p): Remove checks now performed by
12222 get_block_for_decl.
12223 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12224 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12225 (emit_local, emit_bss, emit_common): ...these new functions.
12226 Return true if the alignment was honored.
12227 (emit_tls_common): New function.
12228 (asm_emit_uninitialised): Delete.
12229 (assemble_variable_noswitch): New function, split out from...
12230 (assemble_variable): ...here. Don't make decisions about common
12231 variables here. Globalize all public decls that go into non-common
12232 sections. Check whether SYMBOL_REF_BLOCK is null.
12233 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12234 (output_constant_pool): Likewise.
12235 (init_varasm_once): Initialize the new section variables.
12236 (have_global_bss_p): New function.
12237 (categorize_decl_for_section): Use bss_initializer_p.
12238 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12239 (place_block_symbol): Assert that the symbol must be in a block.
12240 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12241 (TARGET_INITIALIZER): Include it.
12242 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12243 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12244 (SECTION_MACH_DEP): Bump by two.
12245 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12246 (unnamed_section): Mention SECTION_UNNAMED in comment.
12247 (named_section): Likewise SECTION_NAMED.
12248 (noswitch_section_callback): New type.
12249 (noswitch_section): New structure.
12250 (section): Add a noswitch_section alternative.
12251 (SECTION_STYLE): New macro.
12252 (tls_comm_section, comm_section, lcomm_section): Declare.
12253 (bss_noswitch_section, have_global_bss_p): Declare.
12254 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12255 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12257 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12258 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12261 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12263 * tree-vrp.c (execute_vrp): Return value.
12264 * regrename.c (rest_of_handle_regrename): Ditto.
12265 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12266 * tree-complex.c (tree_lower_complex): Ditto.
12267 (tree_lower_complex_O0): Ditto.
12268 * tracer.c (rest_of_handle_tracer): Ditto.
12269 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12270 * postreload.c (rest_of_handle_postreload): Ditto.
12271 * tree-tailcall.c (execute_tail_recursion): Ditto.
12272 (execute_tail_calls): Ditto.
12273 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12274 * tree.h (init_function_for_compilation): Ditto.
12275 * ipa-cp.c (ipcp_driver): Ditto.
12276 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12277 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12278 * final.c (compute_alignments): Ditto.
12279 (rest_of_handle_final): Ditto.
12280 (rest_of_handle_shorten_branches): Ditto.
12281 (rest_of_clean_state): Ditto.
12282 * omp-low.c (execute_expand_omp): Ditto.
12283 (execute_lower_omp): Ditto.
12284 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12285 * ipa-reference.c (static_execute): Ditto.
12286 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12287 * reorg.c (rest_of_handle_delay_slots): Ditto.
12288 (rest_of_handle_machine_reorg): Ditto.
12289 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12290 * flow.c (recompute_reg_usage): Ditto.
12291 (rest_of_handle_remove_death_notes): Ditto.
12292 (rest_of_handle_life): Ditto.
12293 (rest_of_handle_flow2): Ditto.
12294 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12295 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12296 (do_ssa_store_ccp): Ditto.
12297 (execute_fold_all_builtins): Ditto.
12298 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12299 * modulo-sched.c (rest_of_handle_sms): Ditto.
12300 * ipa-pure-const.c (static_execute): Ditto.
12301 * cse.c (rest_of_handle_cse): Ditto.
12302 (rest_of_handle_cse2): Ditto.
12303 * web.c (rest_of_handle_web): Ditto.
12304 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12305 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12306 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12307 * tree-nrv.c (tree_nrv): Ditto.
12308 (execute_return_slot_opt): Ditto.
12309 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12310 (create_structure_vars): Ditto.
12311 * loop-init.c (rtl_loop_init): Ditto.
12312 (rtl_loop_done): Ditto.
12313 (rtl_move_loop_invariants): Ditto.
12314 (rtl_unswitch): Ditto.
12315 (rtl_unroll_and_peel_loops): Ditto.
12316 (rtl_doloop): Ditto.
12317 * gimple-low.c (lower_function_body): Ditto.
12318 (mark_used_blocks): Ditto.
12319 * tree-ssa-sink.c (execute_sink_code): Ditto.
12320 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12321 (cgraph_early_inlining): Ditto.
12322 * global.c (rest_of_handle_global_alloc): Ditto.
12323 * jump.c (cleanup_barriers): Ditto.
12324 (purge_line_number_notes): Ditto.
12325 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12326 (rest_of_handle_if_after_reload): Ditto.
12327 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12328 (tree_ssa_loop_im): Ditto.
12329 (tree_ssa_loop_unswitch): Ditto.
12330 (tree_vectorize): Ditto.
12331 (tree_linear_transform): Ditto.
12332 (tree_ssa_loop_ivcanon): Ditto.
12333 (tree_ssa_empty_loop): Ditto.
12334 (tree_ssa_loop_bounds): Ditto.
12335 (tree_complete_unroll): Ditto.
12336 (tree_ssa_loop_prefetch): Ditto.
12337 (tree_ssa_loop_ivopts): Ditto.
12338 (tree_ssa_loop_done): Ditto.
12339 * predict.c (tree_estimate_probability): Ditto.
12340 * recog.c (split_all_insns_noflow): Ditto.
12341 (rest_of_handle_peephole2): Ditto.
12342 (rest_of_handle_split_all_insns): Ditto.
12343 * tree-eh.c (lower_eh_constructs): Ditto.
12344 * regmove.c (rest_of_handle_regmove): Ditto.
12345 (rest_of_handle_stack_adjustments): Ditto.
12346 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12347 * function.c (instantiate_virtual_regs): Ditto.
12348 (init_function_for_compilation): Ditto.
12349 (rest_of_handle_check_leaf_regs): Ditto.
12350 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12351 (rest_of_handle_gcse): Ditto.
12352 * ipa-type-escape.c (type_escape_execute): Ditto.
12353 * alias.c (rest_of_handle_cfg): Ditto.
12354 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12355 * profile.c (rest_of_handle_branch_prob): Ditto.
12356 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12357 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12358 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12359 * tree-dfa.c (find_referenced_vars): Ditto.
12360 * except.c (set_nothrow_function_flags): Ditto.
12361 (convert_to_eh_region_ranges): Ditto.
12362 (rest_of_handle_eh): Ditto.
12363 * emit-rtl.c (unshare_all_rtl): Ditto.
12364 (remove_unnecessary_notes): Ditto.
12365 * except.h (set_nothrow_function_flags): Ditto.
12366 (convert_to_eh_region_ranges): Ditto.
12367 * cfgexpand.c (tree_expand_cfg): Ditto.
12368 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12369 * tree-ssa-pre.c (do_pre): Ditto.
12370 (execute_fre): Ditto.
12371 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12372 (rest_of_handle_jump2): Ditto.
12373 * tree-sra.c (tree_sra): Ditto.
12374 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12375 (execute_mudflap_function_decls): Ditto.
12376 * tree-ssa-copy.c (do_copy_prop): Ditto.
12377 (do_store_copy_prop): Ditto.
12378 * ipa-prop.h (ipcp_driver): Ditto.
12379 * cfglayout.c (insn_locators_initialize): Ditto.
12380 * tree-ssa-forwprop.c
12381 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12382 * cfglayout.h (insn_locators_initialize): Ditto.
12383 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12384 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12385 (execute_late_warn_uninitialized): Ditto.
12386 * rtl.h (cleanup_barriers): Ditto.
12387 (split_all_insns_noflow): Ditto.
12388 (purge_line_number_notes): Ditto.
12389 (unshare_all_rtl): Ditto.
12390 (remove_unnecessary_notes): Ditto.
12391 (recompute_reg_usage): Ditto.
12392 (variable_tracking_main): Ditto.
12393 * integrate.c (emit_initial_value_sets): Ditto.
12394 * integrate.h (emit_initial_value_sets): Ditto.
12395 * tree-optimize.c (execute_free_datastructures): Ditto
12396 (execute_free_cfg_annotations): Ditto.
12397 (execute_fixup_cfg): Ditto.
12398 (execute_cleanup_cfg_pre_ipa): Ditto.
12399 (execute_cleanup_cfg_post_optimizing): Ditto.
12400 (execute_init_datastructures): Ditto.
12401 * tree-object-size.c (compute_object_sizes): Ditto.
12402 * combine.c (rest_of_handle_combine): Ditto.
12403 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12404 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12405 (rest_of_handle_reorder_blocks): Ditto.
12406 (rest_of_handle_partition_blocks): Ditto.
12407 * var-tracking.c (variable_tracking_main): Ditto.
12408 * tree-profile.c (tree_profiling): Ditto.
12409 * tree-vect-generic.c (expand_vector_operations): Ditto.
12410 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12411 * sched-rgn.c (rest_of_handle_sched): Ditto.
12412 (rest_of_handle_sched2): Ditto.
12413 * basic-block.h (free_bb_insn): Ditto.
12414 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12415 * tree-cfg.c (execute_build_cfg): Ditto.
12416 (remove_useless_stmts): Ditto.
12417 (split_critical_edges): Ditto.
12418 (execute_warn_function_return): Ditto.
12419 (execute_warn_function_noreturn): Ditto.
12420 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12421 * cfgrtl.c (free_bb_for_insn): Ditto.
12422 * passes.c (execute_one_pass): Run additional
12423 todos returned by execute function.
12424 * tree-pass.h (struct tree_opt_pass): Make execute
12427 2006-03-02 Richard Guenther <rguenther@suse.de>
12429 * tree-ssa-alias.c (find_used_portions): Consider taking
12430 the address as making the variable not write-only.
12432 2006-03-02 Nick Clifton <nickc@redhat.com>
12434 * config.gcc (default_use_cxa_atexit): Extend the description of
12435 this configure variable. Set its default value to "yes" for
12436 Linux, NetBSD and ELF targets on the assumption that they will
12437 use C libraries with the __cxa_atexit function.
12439 2006-03-02 Ben Elliston <bje@au.ibm.com>
12441 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12442 parameter as unused to suppress a build warning.
12444 2006-03-02 Ben Elliston <bje@au.ibm.com>
12446 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12449 2006-03-01 Roger Sayle <roger@eyesopen.com>
12452 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12453 declared name, the weak reference name, and the typeof name.
12454 (__gthrw): Avoid expanding the declared name suffix.
12455 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12457 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12459 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12461 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12462 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12463 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12464 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12465 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12466 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12467 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12468 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12469 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12470 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12471 (DW_END_default, DW_END_big, DW_END_little): New.
12472 (DW_END_lo_user, DW_END_hi_user): Define.
12473 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12474 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12475 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12478 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12480 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12482 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12484 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12486 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12488 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12489 to 'symbol_mem_tag'.
12491 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12494 2006-03-01 Roger Sayle <roger@eyesopen.com>
12496 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12498 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12501 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12502 MACHO_DYNAMIC_NO_PIC_P.
12503 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12505 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12508 * config/darwin-protos.h (darwin_asm_output_anchor):
12510 * config/darwin-sections.def (cstring_section):
12511 Add SECTION_MERGE to the flags.
12512 (literal4_section): Likewise.
12513 (literal8_section): Likewise.
12514 (objc_selector_refs_section): Likewise.
12515 (objc_cls_refs_section): Likewise.
12516 * config/darwin.c (darwin_asm_output_anchor): New
12518 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12520 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12522 Fix PR tree-optimization/26443
12523 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12524 to todo and PROP_tmt_usage to properties_destroyed.
12525 * tree-ssa-ccp.c (pass_ccp): Ditto.
12526 (pass_store_ccp): Ditto.
12527 * tree-ssa-dom.c (pass_dominator): Ditto.
12529 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12531 * tree-ssa-operands.c: Cleanup whitespace.
12532 (get_asm_expr_operands): Move before first invocation.
12533 (get_indirect_ref_operands): Likewise.
12534 (get_tmr_operands): Likewise.
12535 (get_call_expr_operands): Likewise.
12536 (append_def): Likewise.
12537 (append_use): Likewise.
12538 (append_v_may_def): Likewise.
12539 (append_v_must_def): Likewise.
12540 (add_call_clobber_ops): Likewise.
12541 (add_call_read_ops): Likewise.
12542 (add_stmt_operand): Likewise.
12543 (add_virtual_operand): Likewise.
12544 (build_ssa_operands): Likewise.
12546 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12548 PR middle-end/26022
12550 PR middle-end/24437
12551 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12552 with a call expr to ...
12553 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12555 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12557 * tree-vrp.c (extract_range_from_assert): Remove special
12558 handling for types with super-types.
12560 2006-03-01 Ben Elliston <bje@au.ibm.com>
12562 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12563 and powerpc64-*-linux* configurations.
12564 * config/t-dfprules: New file.
12566 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12567 Compile dfp-bit.c from the source directory using -DWIDTH and
12568 $DFP_CFLAGS to control the compilation of that file, rather than
12569 generating width-specific versions in the build directory.
12570 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12571 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12573 2006-02-28 Zack Weinberg <zackw@panix.com>
12575 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12578 2006-02-28 Eric Christopher <echristo@apple.com>
12580 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12581 Set up IN_LIBGCC definition of TARGET_64BIT.
12582 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12584 2006-02-28 Roger Sayle <roger@eyesopen.com>
12586 PR middle-end/14752
12587 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12588 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12589 cases via the construction of "expr != 0".
12591 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12593 * alias.c (alias_invariant, alias_invariant_size): Remove.
12594 (record_base_value): Remove.
12595 (memrefs_conflict_p): Don't look at alias_invariant.
12596 (end_alias_analysis): Don't free it.
12597 * alias.h (record_base_value): Remove prototype.
12599 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12600 Adam Nemet <anemet@caviumnetworks.com>
12602 * rtl.h (truncated_to_mode): Declare it.
12603 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12604 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12605 (RTL_HOOKS_INITIALIZER): Include it.
12606 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12607 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12608 reg_truncated_to_mode.
12609 * rtlanal.c (truncated_to_mode): Define it.
12610 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12612 2006-02-28 Jeff Law <law@redhat.com>
12614 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12615 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12616 the range allowed by TYPE_PRECISION.
12618 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12620 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12622 PR tree-optimization/26419
12623 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12626 2006-02-27 Zack Weinberg <zackw@panix.com>
12628 * doc/md.texi: Fix typo in previous change.
12630 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12634 2006-02-27 Zack Weinberg <zackw@panix.com>
12636 * rtl.def (define_constraint, define_register_constraint)
12637 (define_memory_constraint, define_address_constraint): New MD forms.
12638 * gensupport.c (process_rtx): Put define_constraint etc on the
12640 * genpreds.c (process_define_predicate): Adjust comment. Validate
12641 the name, and call validate_exp to validate the expression.
12642 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12643 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12644 all callers changed.
12645 (validate_exp, needs_variable, struct constraint_data)
12646 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12647 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12648 (const_dbl_constraints, constraint_max_namelen)
12649 (have_register_constraints, have_memory_constraints)
12650 (have_address_constraints, have_address_constraints)
12651 (have_extra_constraints, have_const_int_constraints)
12652 (have_const_dbl_constraints, mangle, add_constraint)
12653 (process_define_constraint, process_define_register_constraint)
12654 (write_enum_constraint_num, write_lookup_constraint)
12655 (write_insn_constraint_len, write_regclass_for_constraint)
12656 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12657 (write_insn_extra_memory_constraint)
12658 (write_insn_extra_address_constraint)
12659 (write_satisfies_constraint_fns): New.
12660 (write_tm_preds_h): If we have new-style constraint definitions,
12661 prototype the functions generated from them, and define the
12662 old constraint interface (still used by generic code) in terms of
12664 (write_insn_preds_c): If we have new-style constraint definitions,
12665 generate all relevant functions from those definitions.
12666 (main): Handle define_constraint etc.
12667 * genoutput.c (struct constraint_data, indep_constraints)
12668 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12669 (mdep_constraint_len): New data structures and functions, defined
12670 #ifdef USE_MD_CONSTRAINTS.
12671 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12672 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12673 use new logic to validate operand constraints against constraint
12675 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12677 * defaults.h: If none of the old-style constraint macros are
12678 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12679 old-style macros; and poison REG_CLASS_FROM_LETTER,
12680 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12682 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12683 * doc/md.texi: Document new constraint-definition mechanism and the
12684 C interface it provides. Remove references to old mechanism
12685 elsewhere in the document.
12686 (Machine Constraints): Use pathnames relative to gcc directory,
12687 i.e. config/ARCH/FILE. Change i386 section to refer to
12688 config/i386/predicates.md; update that section to match docstrings.
12689 * doc/tm.texi: Move all documentation of the old constraint-
12690 definition macros to their own section, clearly mark as obsolete.
12692 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12693 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12695 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12696 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12697 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12698 constraint strings.
12699 (splits and peepholes): Use satisfies_constraint_*.
12700 * config/i386/i386.c (memory_address_length)
12701 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12703 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12705 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12706 scalar operation to be put back into the loop.
12708 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12711 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12712 (extract_cie_info): Handle S flag in augmentation string.
12713 (execute_cfa_program): If context->signal_frame, execute also
12714 fs->pc == context->ra instructions.
12715 (uw_frame_state_for): If context->signal_frame, don't subtract one
12716 from context->ra to find FDE.
12717 (uw_update_context_1): Set context->signal_frame to
12719 (_Unwind_GetIPInfo): New function.
12720 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12721 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12723 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12724 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12725 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12726 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12727 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12728 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12729 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12730 x86_64_fallback_frame_state): Set fs->signal_frame.
12731 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12732 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12733 (frob_update_context): Likewise. Workaround missing S flag in
12734 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12735 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12736 Remove the psw_addr + 1 hack.
12738 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12740 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12741 with aggregates here.
12742 (find_func_aliases): Remove code for &<aggregate> from here.
12744 2006-02-26 Roger Sayle <roger@eyesopen.com>
12746 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12747 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12748 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12749 as (X & C) ne/eq 0.
12751 2006-02-26 Roger Sayle <roger@eyesopen.com>
12753 PR middle-end/19983
12754 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12756 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12758 * opts.c (decode_options): Do not handle flag_strength_reduce.
12759 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12760 and OPT_fstrength_reduce.
12761 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12762 flag_prefetch_loop_arrays for being nonzero.
12763 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12765 (fprefetch-loop-arrays-rtl): Removed.
12766 (flag_prefetch_loop_arrays): Do not specify the value.
12768 * doc/passes.texi: Update documentation of loop optimizer
12770 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12771 -frerun-loop-opt): Remove.
12773 2006-02-26 Richard Guenther <rguenther@suse.de>
12775 PR tree-optimization/26421
12776 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12777 in function calls that are ADDR_EXPRs as using the whole structure.
12779 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12781 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12782 * tree-pass.h (pass_loop_optimize): Remove.
12783 * passes.c (pass_loop_optimize): Never run it.
12784 * toplev.c (backend_init): Don't call init_loop.
12785 * opts.c (flag_loop_optimize_set): Remove.
12786 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12787 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12788 the old RTL loop optimizer when profiling enabled.
12789 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12790 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12791 pre-headers for the sake of the old RTL loop optimizer.
12792 * Makefile.in: Remove all references to loop.o.
12794 * doc/invoke.texi: Remove all references to -floop-optimize
12795 and -frerun-loop-opt.
12797 2006-02-26 Zack Weinberg <zackw@panix.com>
12799 * doc/md.texi (Machine Constraints): Refer to all files with paths
12800 relative to gcc directory (i.e. config/CPU/file). Add missing
12801 @table @code ... @end table to M32C subsection.
12803 2006-02-26 Roger Sayle <roger@eyesopen.com>
12805 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12807 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12809 2006-02-26 Roger Sayle <roger@eyesopen.com>
12810 James A. Morrison <phython@gcc.gnu.org>
12812 PR middle-end/21137
12813 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12814 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12815 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12816 signedness of the shift operation.
12818 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12820 PR tree-optimization/26359
12821 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12823 2006-02-25 Roger Sayle <roger@eyesopen.com>
12825 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12826 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12827 as X == 0, and some symmetry related transformations.
12828 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12830 2006-02-25 Roger Sayle <roger@eyesopen.com>
12832 PR middle-end/23673
12833 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12834 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12835 symmetry related transformations. Fold (X^C1) == C2 as
12838 2006-02-25 Juergen Weigert <jw@suse.de>
12839 Richard Guenther <rguenther@suse.de>
12841 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12843 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12845 * combine.c (gen_lowpart_or_truncate): Call
12846 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12848 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12850 * doc/invoke.texi: Move -fopenmp description to "Options for
12852 Remove reference to -lgomp.
12854 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12856 * doc/install.texi: Require GNU tar version 1.14.
12858 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12860 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12861 * doc/invoke.texi (C++ Dialect Options): Document
12862 -fno-use-cxa-get-exception-ptr.
12863 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12864 * configure: Regenerate.
12865 * c.opt (fuse-cxa-get-exception-ptr): New.
12866 * c-opts.c (c_common_handle_option): Handle
12867 OPT_fuse_cxa_get_exception_ptr.
12868 * c-common.c (flag_use_cxa_atexit): Update documentation.
12869 (flag_use_cxa_get_exception_ptr): New.
12870 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12871 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12873 (C_COMMON_OVERRIDE_OPTIONS): New.
12875 2006-02-24 Roger Sayle <roger@eyesopen.com>
12877 PR middle-end/24952
12878 * combine.c (try_combine): Explicitly check whether GET_CODE is
12879 a SET or a CLOBBER, instead on checking that it isn't a USE.
12881 2006-02-24 Roger Sayle <roger@eyesopen.com>
12883 * fold-const.c (fold_comparison): New subroutine of fold_binary
12884 containing transformations common to both the equality and
12885 ordering relational operators, factored out of fold_binary.
12886 (fold_binary): Separate out the equality operators (EQ_EXPR
12887 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12888 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12889 transformations common to both.
12890 (fold_div_compare): Fix latent bugs in the previously unreachable
12891 LT_EXPR and GE_EXPR cases.
12893 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12895 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12896 decl libname for clog to __clog on AIX.
12898 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12900 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12903 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12904 output traceback table for thunks. Localise rs6000_stack_info call.
12906 2006-02-23 Roger Sayle <roger@eyesopen.com>
12907 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12909 * gthr-posix.h (__gthrw): Fix typo in comment.
12911 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12913 * doc/cpp.texi (Character sets): Document that we do support
12914 input files to be in any character set.
12916 2006-02-23 Jeff Law <law@redhat.com>
12918 * tree.h (PHI_ARG_NONZERO): Remove.
12919 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12920 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12921 node to the new node.
12923 PR tree-optimization/26425
12924 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12925 min/max, then assume its varying.
12927 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12929 PR rtl-optimization/26316
12930 * rtlanal.c (enum may_trap_p_flags): New.
12931 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12932 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12933 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12934 (may_trap_after_code_motion_p): New function.
12935 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12936 (find_invariant_insn): Use may_trap_after_code_motion_p.
12937 * rtl.h (may_trap_after_code_motion_p): Declare.
12939 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12941 * emit-rtl.c (immed_double_const): Cleanup.
12943 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12945 Fix PR tree-optimization/26376
12946 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12949 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12951 PR middle-end/26412
12952 * gimplify.c (omp_add_variable): Guard variable size decl test with
12953 DECL_SIZE (decl) check.
12955 2006-02-23 Richard Guenther <rguenther@suse.de>
12957 PR middle-end/26439
12958 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12959 like aggregate types.
12961 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12963 * configure.ac: Add --with{,out}-long-double-128 configure option.
12964 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12965 * configure: Rebuilt.
12966 * config.in: Rebuilt.
12967 * doc/install.texi (Options specification): Document
12968 --with-long-double-128.
12970 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12971 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12972 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12973 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12975 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12977 * config/s390/s390.c (override_options): Handle
12978 TARGET_DEFAULT_LONG_DOUBLE_128.
12980 * config/alpha/alpha.c (override_options): Handle
12981 TARGET_DEFAULT_LONG_DOUBLE_128.
12983 * config/sparc/sparc.c (sparc_override_options): Handle
12984 TARGET_DEFAULT_LONG_DOUBLE_128.
12986 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12988 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12989 (real-install-headers-tar, real-install-headers-cpio)
12990 (real-install-headers-cp): New targets.
12992 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12994 * tree.h (variable_section): Delete.
12995 * varasm.c (variable_section): Delete.
12997 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12999 * install.texi: Add notes on install.texi2html.
13000 (Building in parallel): Do not use footnotes.
13002 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13005 * doc/install.texi (Configuration): Document --disable-libgomp.
13007 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13009 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13011 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13013 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13014 (vec_extractv2df_0_sse): New.
13016 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13018 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13019 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13020 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13021 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13022 to the result of the expression.
13023 (def_cfa_1): Adjust.
13024 (frame_pointer_cfa_offset): Rename to...
13025 (frame_pointer_fb_offset): ... this. Adjust all uses.
13026 (convert_cfa_to_loc_list): Rename to...
13027 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13028 Pass it on to build_cfa_loc.
13029 (compute_frame_pointer_to_cfa_displacement): Rename to...
13030 (compute_frame_pointer_to_fb_displacement): ... this. New
13031 offset parameter. Use it in computation.
13032 (gen_subprogram_die): Compute cfa_fb_offset with the new
13033 macro, and use it to compute the fb loc list and the
13036 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13038 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13039 replaced with register_operand.
13040 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13041 non-DREG is expensive.
13042 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13043 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13046 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13048 * doc/install.texi2html: Use set -e.
13050 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13052 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13053 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13054 * doc/invoke.texi (-fshared-data): Delete.
13055 * common.opt (fshared-data): Delete.
13056 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13057 (assemble_static_space): Remove #if 0 code.
13058 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13059 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13060 * config/cris/cris.h: Remove FIXME.
13062 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13064 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13067 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13069 PR middle-end/26379
13070 * combine.c (simplify_shift_const_1): Disable nested shifts
13071 optimization for vector shifts.
13073 2006-02-20 Roger Sayle <roger@eyesopen.com>
13075 PR tree-optimization/26361
13076 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13077 of unsigned integer types.
13079 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13081 * tree-chrec.c (eq_evolutions_p): New.
13082 * tree-chrec.h (eq_evolutions_p): Declared.
13083 * tree-data-ref.c: Fix formatting.
13084 (datadep_stats, dependence_stats): New.
13086 (print_direction_vector): New.
13087 (dump_data_dependence_relation): Use print_direction_vector.
13088 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13089 (compute_subscript_distance): Static.
13090 (initialize_data_dependence_relation): Static. Get the number
13091 of loops surrounding the references from the callers, and initialize
13092 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13093 base_object_differ_p analyzers.
13094 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13095 compute_overlap_steps_for_affine_1_2,
13096 analyze_subscript_affine_affine): Count the classified dependences.
13097 Print a message when a test failed.
13098 (can_use_analyze_subscript_affine_affine): New.
13099 (analyze_siv_subscript): Compute the data dependences on symbolic
13100 scevs that verify can_use_analyze_subscript_affine_affine.
13101 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13102 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13103 Handle symbolic scevs.
13104 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13106 (subscript_dependence_tester): Moved...
13107 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13108 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13109 DDR_SIZE_VECT instead of getting it in parameter.
13110 (subscript_dependence_tester): ... here. Take as a parameter
13111 loop_nest_depth. Call build_classic_dist_vector and
13112 build_classic_dir_vector.
13113 (compute_affine_dependence): Update subscript_dependence_tester
13114 parameters. Update datadep_stats counters. Call
13115 compute_subscript_distance.
13116 (compute_self_dependence): Save the dist and dir vectors. Call
13117 compute_subscript_distance.
13118 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13119 (compute_all_dependences): Reorder parameters as they were before
13120 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13121 compute_subscript_distance. Update the use of
13122 compute_affine_dependence and initialize_data_dependence_relation.
13123 (find_data_references_in_loop): Handle COMPONENT_REF.
13124 (compute_data_dependences_for_loop): Initialize dependence_stats.
13125 Don't call build_classic_dist_vector and build_classic_dir_vector.
13126 Update the parameters of initialize_data_dependence_relation and
13127 compute_all_dependences. Print the statistics from datadep_stats.
13128 (analyze_all_data_dependences): Static. Not used until the pass for
13129 checking the data dependences is contributed.
13130 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13131 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13132 (initialize_data_dependence_relation, compute_affine_dependence,
13133 analyze_all_data_dependences, compute_subscript_distance): Removed.
13134 (print_direction_vector): New.
13135 * lambda.h (gcd): ... here.
13136 (lambda_vector_gcd): Moved here from gcd_vector.
13137 * lambda-code.c (gcd, gcd_vector): Removed.
13138 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13139 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13141 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13143 * ipa-type-escape.c: Tidy some comments and white space.
13144 * tree-ssa-operands.c: Likewise.
13146 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13149 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13150 (dump_decl_name): Do not walk the decl tree chains.
13151 * tree-pass.h (TDF_CHAIN): Remove.
13153 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13155 * Makefile.in (C): Remove
13157 (.PHONY): Remove C and PROTO
13159 2006-02-20 Roger Sayle <roger@eyesopen.com>
13161 PR middle-end/26236
13162 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13163 deprecated CHAR_TYPE tree code.
13165 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13167 * configure.ac (target_list): Add install-info, dvi, html.
13168 * configure: Regenerate.
13170 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13171 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13172 treelang/Make-lang.in: Do not use double-colon rules.
13174 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13176 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13177 (TMT_USED_ALONE): New macro.
13178 * tree-pass.h (PROP_tmt_usage): New property.
13179 (TODO_update_tmt_usage): New todo.
13180 * tree-ssa-alias.c (updating_used_alone): New variable.
13181 (recalculate_used_alone): New function.
13182 (compute_may_aliases): Set updating_used_alone, call
13183 recalculate_used_alone.
13184 * tree-sra.c (pass_sra): Note that this pass destroys
13185 PROP_tmt_usage, and add TODO_update_tmt_usage.
13186 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13187 * tree-flow.h (updating_used_alone): Prototype.
13188 (recalculate_used_alone): Ditto.
13189 * passes.c (execute_todo): Add code to set updating_used_alone,
13190 and call recalculate.
13191 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13192 for clobber if used alone, and add assert to verify used_alone
13195 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13197 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13198 for non tls symbols added.
13199 (legitimize_address): Do nothing for PLUS expressions if one of the
13200 addends is a tls symbol reference.
13202 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13206 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13208 * Makefile.in (BOOTSTRAPPING): New.
13209 (quickstrap): New definition if BOOTSTRAPPING=yes.
13211 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13212 * configure.ac: Substitute all_selected_languages with the languages
13213 that were configured. For all the other variables except
13214 lang_specs_files, include all the languages in the tree.
13215 * configure: Regenerate.
13217 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13218 if there is one. Run the commands to run fixincludes in the same
13221 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13222 * doc/install.texi: Document exact conventions for searching target tools.
13223 Document --with-build-time-tools. Document toplevel bootstrap. Document
13224 something more about building an Ada cross-compiler. Don't list GNU Make
13225 requirements which affect all platforms.
13227 2006-02-19 Roger Sayle <roger@eyesopen.com>
13229 PR middle-end/19543
13230 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13231 only equivalent if the have both the same mode and precision.
13233 2006-02-20 Ben Elliston <bje@au.ibm.com>
13235 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13237 2006-02-19 Roger Sayle <roger@eyesopen.com>
13238 Steven Bosscher <stevenb.gcc@gmail.com>
13240 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13241 constant pool references to identify stack mode constants.
13242 * rtlanal.c (constant_pool_constant_p): New predicate to check
13243 whether operand is a floating point constant in the pool.
13244 * rtl.h (constant_pool_constant_p): Prototype here.
13245 * loop.c (scan_loop): Avoid hoisting constants from the constant
13246 pool on STACK_REGS targets.
13247 (load_mems): Likewise.
13248 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13249 loads into x87 registers expensive in terms of register pressure.
13251 2006-02-19 Roger Sayle <roger@eyesopen.com>
13253 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13254 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13256 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13258 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13259 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13261 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13263 * doc/invoke.texi: Document -fipa-pta.
13264 * common.opt: Add ipa-pta option.
13265 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13266 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13267 (do_ds_constraint): Ditto.
13268 (get_constraint_for): Only add to referenced_vars if
13269 referenced_vars exists.
13270 (insert_into_field_list): Rewrite to do this unsorted.
13271 (insert_into_field_list_sorted): Rename old insert_into_field_list
13273 (create_function_info_for): Use insert_into_field_list_sorted.
13274 (create_variable_info_for): Rewrite so it uses unsorted version,
13275 since the field list is sorted.
13276 (intra_create_variable_infos): Only add to referenced_vars if
13277 referenced_vars exists.
13278 (ipa_pta_execute): Init heapvars, and delete when done.
13279 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13281 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13283 * doc/install.texi: Add missing `@samp'.
13285 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13287 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13290 2006-02-18 Mark Wielaard <mark@klomp.org>
13292 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13293 who added new 4.1 features, bug fixes and integration support.
13295 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13298 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13299 MEM for ABI_V4 pic.
13301 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13303 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13304 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13305 (copy_insn_1): Likewise. Don't copy each field individually.
13307 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13309 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13310 * rtl.c (rtx_size): Rename variable to...
13311 (rtx_code_size): ...this.
13312 (rtx_size): New function.
13313 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13314 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13316 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13317 * rtl.h (rtx_code_size): New variable.
13318 (rtx_size): Change from a variable to a function.
13319 (RTX_SIZE): Rename to...
13320 (RTX_CODE_SIZE): ...this.
13323 PR tree-optimization/17106
13324 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13325 (Anchored Addresses): New section.
13326 * doc/invoke.texi (-fsection-anchors): Document.
13327 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13328 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13329 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13330 * hooks.c (hook_bool_mode_rtx_false): New function.
13331 * hooks.h (hook_bool_mode_rtx_false): Declare.
13332 * gengtype.c (create_optional_field): New function.
13333 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13334 SYMBOL_REF_IN_BLOCK_P is true.
13335 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13336 (min_anchor_offset, max_anchor_offset): Likewise.
13337 (use_anchors_for_symbol_p): New hook.
13338 * toplev.c (compile_file): Call output_object_blocks.
13339 (target_supports_section_anchors_p): New function.
13340 (process_options): Check that -fsection-anchors is only used on
13341 targets that support it and when -funit-at-a-time is in effect.
13342 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13343 if the decl doesn't have one.
13344 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13345 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13346 of force_const_mem through use_anchored_address.
13347 (expand_expr_constant): New function.
13348 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13349 calling expand_expr for INDIRECT_REF.
13350 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13351 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13352 * expr.h (use_anchored_address): Declare.
13353 * loop-unroll.c: Don't declare rtx vectors here.
13354 * explow.c: Include output.h.
13355 (validize_mem): Call use_anchored_address.
13356 (use_anchored_address): New function.
13357 * common.opt (-fsection-anchors): New switch.
13358 * varasm.c (object_block_htab, anchor_labelno): New variables.
13359 (hash_section, object_block_entry_eq, object_block_entry_hash)
13360 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13361 (use_blocks_for_decl_p, change_symbol_section): New functions.
13362 (get_variable_section): New function, split out from assemble_variable.
13363 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13364 use_blocks_for_decl_p say so. Use change_symbol_section if the
13365 symbol has already been created.
13366 (assemble_variable_contents): New function, split out from...
13367 (assemble_variable): ...here. Don't output any code for
13368 block symbols; just pass them to place_block_symbol.
13369 Use get_variable_section and assemble_variable_contents.
13370 (get_constant_alignment, get_constant_section, get_constant_size): New
13371 functions, split from output_constant_def_contents.
13372 (build_constant_desc): Create a block symbol if use_object_blocks_p
13373 says so. Or into SYMBOL_REF_FLAGS.
13374 (assemble_constant_contents): New function, split from...
13375 (output_constant_def_contents): ...here. Don't output any code
13376 for block symbols; just pass them to place_section_symbol.
13377 Use get_constant_section and get_constant_alignment.
13378 (force_const_mem): Create a block symbol if use_object_blocks_p and
13379 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13380 (output_constant_pool_1): Add an explicit alignment argument.
13381 Don't switch sections here.
13382 (output_constant_pool): Adjust call to output_constant_pool_1.
13383 Switch sections here instead. Don't output anything for block symbols;
13384 just pass them to place_block_symbol.
13385 (init_varasm_once): Initialize object_block_htab.
13386 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13387 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13388 (place_block_symbol, get_section_anchor, output_object_block)
13389 (output_object_block_htab, output_object_blocks): New functions.
13390 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13391 (TARGET_ASM_OUT): Include it.
13392 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13393 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13394 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13395 (TARGET_INITIALIZER): Include them.
13396 * rtl.c (rtl_check_failed_block_symbol): New function.
13397 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13398 (block_symbol, object_block): New structures.
13399 (rtx_def): Add a block_symbol field to the union.
13400 (BLOCK_SYMBOL_CHECK): New macro.
13401 (rtl_check_failed_block_symbol): Declare.
13402 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13403 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13404 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13405 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13406 * output.h (output_section_symbols): Declare.
13407 (object_block): Name structure.
13408 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13409 (default_use_anchors_for_symbol_p): Declare.
13410 * Makefile.in (RTL_BASE_H): Add vec.h.
13411 (explow.o): Depend on output.h.
13412 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13413 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13414 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13415 (rs6000_use_blocks_for_constant_p): New function.
13417 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13419 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13421 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13424 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13427 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13429 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13433 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13435 PR middle-end/26334
13436 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13437 instead of DECL_REGISTER.
13439 2006-02-18 Olivier Hainque <hainque@adacore.com>
13442 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13444 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13447 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13448 * opth-gen.awk: Handle Var and InverseMask together.
13449 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13450 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13451 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13452 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13454 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13455 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13456 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13457 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13458 LINUX_DYNAMIC_LINKER): Define.
13459 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13460 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13462 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13463 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13464 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13466 (TARGET_C99_FUNCTIONS): Don't define.
13467 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13468 GLIBC_DYNAMIC_LINKER.
13469 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13470 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13471 GLIBC_DYNAMIC_LINKER64): Define.
13472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13473 LINUX_DYNAMIC_LINKER64.
13474 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13476 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13478 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13480 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13481 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13482 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13484 and LINUX_DYNAMIC_LINKER32.
13485 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13487 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13489 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13491 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13492 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13493 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13494 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13496 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13497 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13498 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13499 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13500 LINUX_DYNAMIC_LINKER): Define.
13501 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13502 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13503 GLIBC_DYNAMIC_LINKER64): Define.
13504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13505 LINUX_DYNAMIC_LINKER64.
13506 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13507 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13508 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13509 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13510 LINUX_DYNAMIC_LINKER): Define.
13511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13512 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13513 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13514 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13515 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13516 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13517 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13518 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13519 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13520 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13522 * doc/invoke.texi (-muclibc): Remove caveat about supported
13525 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13527 * doc/cpp.texi (__TIMESTAMP__): Document.
13529 2006-02-17 Roger Sayle <roger@eyesopen.com>
13531 PR middle-end/25600
13532 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13533 C is one less than the width of X (and related transformations).
13534 * simplify-rtx.c (simplify_unary_operation_1): Transform
13535 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13536 depending on STORE_FLAG_VALUE, were C is one less then the
13539 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13541 Fix PR tree-optimization/26341
13542 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13543 about NAME_MEMORY_TAG's.
13545 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13548 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13549 with hardware float support, and software float support. Add fcpy
13550 alternative to hardware patterns. Add alternatives to copy between
13551 general and floating-point registers to the 32-bit pattern.
13552 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13553 secondary reload to load a QI or HI mode constant into a floating
13555 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13556 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13558 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13561 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13563 (load_macho_picbase_di): Likewise.
13565 2006-02-16 Jeff Law <law@redhat.com>
13567 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13568 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13569 (ssa_name_nonzero_p): Likewise.
13570 (get_value_range): Return NULL if VRP is not running.
13571 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13572 VRP routines do not discover a range.
13573 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13574 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13575 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13576 (tree_expr_nonnegative_p): Similarly.
13577 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13578 (restore_nonzero_vars_to_original_value): Remove.
13579 (unsafe_associative_fp_binop): Remove.
13580 (tree_ssa_dominator_optimize): Remove initialization and
13581 finalization of nonzero_vars and nonzero_vars_stack.
13582 (dom_opt_initialize_block): No longer push marker on
13583 nonzero_vars_stack.
13584 (dom_opt_finalize_block): No longer call
13585 restore_nonzero_vars_to_original_value.
13586 (record_equivalences_from_phis): No longer look for
13587 nonzero PHI arguments.
13588 (cprop_into_successor_phis): No longer propagate nonzero
13589 property into PHI arguments. Lose unused argument. Caller
13591 (record_equivalences_from_stmt): No longer record nonzero
13592 values for SSA_NAMEs.
13593 (lookup_avail_expr): No longer use nonzero_vars.
13595 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13596 for sizetype when sizetype is unsigned.
13598 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13600 PR rtl-optimization/25603
13601 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13602 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13603 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13604 with new meaning of SETS.
13606 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13611 * config/linux.opt: New file.
13612 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13613 LINUX_DYNAMIC_LINKER): Define.
13614 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13615 * config.gcc (*-*-linux*): Define extra_options.
13616 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13617 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13618 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13619 GLIBC_DYNAMIC_LINKER.
13620 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13621 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13622 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13624 * doc/invoke.texi (GNU/Linux Options): New section.
13626 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13628 * config/sparc/sparc.md (setjmp): Rewrite.
13629 (setjmp_32): Delete.
13630 (setjmp_64): Likewise.
13632 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13634 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13637 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13639 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13642 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13644 PR rtl-optimization/26296
13645 * Makefile.in (loop-invariant.c): Add except.h dependency.
13646 * loop-invariant.c: Include except.h.
13647 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13649 2005-02-16 Paul Brook <paul@codesourcery.com>
13651 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13654 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13656 PR rtl-optimization/25636
13657 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13658 when deciding whether an insn is an initializing insn.
13660 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13662 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13663 (tree_code_size): Ditto.
13664 * tree.h (struct tree_memory_tag): Remove parent_var.
13665 (struct tree_struct_field_tag): New.
13668 (union tree_node): Add sft member.
13669 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13671 (create_sft): Add size and offset argument, set SFT_OFFSET and
13673 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13674 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13675 * tree-flow-inline.h (get_subvar_at): Update for
13676 SFT_OFFSET/SFT_SIZE.
13677 (var_can_have_subvars): Ditto.
13678 (overlap_subvar): Ditto.
13679 * print-tree.c (print_node): Print out interesting things for
13681 * tree-flow.h (struct subvar): Remove offset and size members.
13682 * tree-ssa-operands.c (get_expr_operands): Update for
13683 get_indirect_ref_operands changes.
13684 (get_indirect_ref_operands): Call add_virtual_operand instead of
13685 add_stmt_operand. Only recurse on base var if requested.
13686 (access_can_touch_variable): New function.
13687 (add_stmt_operand): Split virtual operand handling into ...
13688 (add_virtual_operand): Here. Add offset, size, and for_clobber
13689 arguments. Prune alias sets.
13690 (add_call_clobber_ops): Call add_virtual_operand.
13692 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13694 PR middle-end/26300
13695 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13697 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13698 than TREE_CODE as index into omp_clause_num_ops array.
13700 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13702 PR rtl-optimization/26184
13703 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13705 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13706 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13707 must_precede, must_follow and tobe_scheduled.
13710 * opts.c (common_handle_option): Free new_option pointer.
13711 * df-core.c (df_analyze): Free postorder pointer.
13713 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13715 * Makefile.in: Fix the examples about the use of stamps
13717 2006-02-15 Michael Matz <matz@suse.de>
13719 PR middle-end/22275
13721 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13722 influenced by maximum_field_alignment or DECL_PACKED.
13723 (update_alignment_for_field): Ditto.
13724 (place_field): Ditto.
13725 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13728 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13730 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13731 (debug_flow_info): Pass it.
13732 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13733 * bb-reorder.c (reorder_basic_blocks): Likewise.
13734 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13735 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13736 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13737 * gcse.c (gcse_main, bypass_jumps): Likewise.
13738 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13739 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13740 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13741 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13742 * rtl.h (dump_flow_info): Adjust prototype.
13743 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13744 * var-tracking.c (variable_tracking_main): Likewise.
13745 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13746 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13749 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13751 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13754 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13756 PR tree-optimization/26209
13757 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13758 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13760 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13762 2006-02-14 Roger Sayle <roger@eyesopen.com>
13764 PR middle-end/23670
13765 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13766 (X,Y) and the corresponding symmetry related transformations.
13767 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13768 (X,Y) and its symmetry related transformations.
13770 2006-02-14 Roger Sayle <roger@eyesopen.com>
13772 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13775 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13777 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13779 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13782 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13783 support COMDAT group.
13784 * configure: Regenerate.
13786 2006-02-14 Roger Sayle <roger@eyesopen.com>
13788 PR middle-end/26279
13789 PR middle-end/26280
13790 PR middle-end/26283
13791 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13793 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13795 Fix PR tree-optimization/26260
13797 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13799 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13800 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13801 * tree-ssa-structalias.c (create_variable_info_for): Use
13802 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13804 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13806 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13808 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13809 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13810 of the ending condition.
13811 * tree-ssa-loop-manip.c: Include params.h.
13812 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13813 tree_unroll_loop): New functions.
13814 * tree-pass.h (pass_loop_prefetch): Declare.
13815 * loop.c (rest_of_handle_loop_optimize): Test for
13816 -fprefetch-loop-arrays-rtl.
13817 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13818 * timevar.def (TV_TREE_PREFETCH): New timevar.
13819 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13820 pass_loop_prefetch): New.
13821 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13822 (cleanup_tree_cfg_loop): Call scev_reset.
13823 * common.opt (fprefetch-loop-arrays-rtl): Add.
13824 * tree-ssa-loop-prefetch.c: New file.
13825 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13826 (new_temp_expr_table): Initialize expr_vars.
13827 (free_temp_expr_table): Cleanup expr_vars.
13828 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13829 expressions from being merged into one.
13830 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13831 (struct tree_niter_desc): Add control, bound and cmp fields.
13832 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13834 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13835 (tree-cfgcleanup.o): Add SCEV_H dependency.
13836 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13837 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13839 2006-02-14 Richard Guenther <rguenther@suse.de>
13841 PR tree-optimization/26258
13842 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13843 in PHI argument processing.
13845 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13847 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13848 new expression in the requested machine mode.
13850 2006-02-13 Roger Sayle <roger@eyesopen.com>
13852 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13853 directly, instead let do_compare_rtx_and_jump handle this for us.
13854 * expr.c (expand_expr_real_1): Likewise.
13855 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13856 before do_jump_by_parts_greater.
13857 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13858 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13860 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13862 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13864 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13866 PR rtl-optimization/26235
13867 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13868 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13871 2006-02-13 Jeff Law <law@redhat.com>
13873 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13876 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13878 PR middle-end/26092
13879 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13880 twice if decl is a builtin. When trying again, call get_callee_fndecl
13881 first to verify it is still a builtin.
13883 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13885 * dwarf2out.c (base_type_die): Don't add AT_name here.
13886 (subrange_type_die): Don't add AT_name here.
13887 (modified_type_die): Rearrange code flow. Do add AT_name here.
13889 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13891 PR rtl-optimization/26247
13892 PR rtl-optimization/26248
13893 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13895 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13897 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13898 * config/fixtfdi.c: Likewise.
13899 * config/fixunstfdi.c: Likewise.
13900 * config/floatditf.c: Likewise.
13902 2006-02-13 Roger Sayle <roger@eyesopen.com>
13904 PR middle-end/24427
13905 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13906 into (X,C2) if C1 is a subset of the bits of C2. Transform
13907 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13909 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13911 2006-02-13 Josh Conner <jconner@apple.com>
13914 * varasm.c (function_section): Check for section name before
13915 calling select_section on targets that define
13916 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13917 unlikely_text_section instead of hot_function_section if
13918 first_function_block_is_cold.
13920 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13922 PR middle-end/25335
13923 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13925 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13927 PR rtl-optimization/26222
13928 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13929 after tree->rtl expansion.
13930 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13931 before passing it to emit_move_insn.
13933 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13935 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13937 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13938 Clarify documentation.
13939 * c-common.h (warn_write_strings): Remove.
13940 * c-common.c (warn_write_strings): Likewise.
13941 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13944 2006-02-12 Roger Sayle <roger@eyesopen.com>
13946 PR middle-end/25724
13947 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13948 (do_jump_parts_zero_rtx): New function renamed from
13949 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13950 (do_jump_parts_equality_rtx): New function split out from
13951 do_jump_parts_equality. Old implementation renamed as above.
13952 Call do_jump_parts_zero_rtx if either operand is zero.
13953 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13954 do all of the heavy lifting.
13955 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13956 calling either do_jump_by_parts_greater_rtx or
13957 do_jump_by_parts_equality_rtx.
13958 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13959 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13960 moved to do_compare_rtx_and_jump, call it directly.
13961 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13962 mode argument. Call do_compare_rtx_and_jump.
13963 (emit_case_nodes): Update calls to do_jump_if_equal.
13965 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13967 PR rtl-optimization/26225
13968 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13970 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13972 PR rtl-optimization/26232
13973 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13975 2006-02-11 Jason Merrill <jason@redhat.com>
13978 * tree-inline.c (declare_return_variable): Just don't use the
13979 modify target if it's a gimple complex reg and the return slot
13982 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13984 * doc/contrib.texi: Update my entry.
13986 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13988 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13990 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13992 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13995 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13997 * doc/invoke.texi (-floop-optimize2): Removed.
13998 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13999 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14000 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14001 * common.opt (floop-optimize2): Removed.
14002 (fmove-loop-invariants): Enabled by default.
14004 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14006 * tree-if-conv.c (combine_blocks): Free the result of
14007 get_loop_exit_edges.
14009 2006-02-10 Jeff Law <law@redhat.com>
14011 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14013 PR tree-optimization/26213
14014 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14015 loop trying to follow SSA_NAME_VALUE chains.
14017 2006-02-10 Richard Guenther <rguenther@suse.de>
14019 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14020 deal with structures that end in implicitly variable sized arrays.
14022 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14024 PR rtl-optimization/24762
14025 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14028 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14030 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14031 (struct ivopts_data): Add regs_used field.
14032 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14033 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14034 instead of loop_data->regs_used;
14035 (free_loop_data): Do not free aux fields for loops.
14036 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14037 and tree_ssa_iv_optimize_finalize.
14039 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14041 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14043 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14046 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14047 computing the effective result type.
14049 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14051 PR inline-asm/16194
14052 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14053 (tree_overlaps_hard_reg_set): Declare.
14054 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14055 type and signature to match function type expected by walk_tree.
14056 (tree_overlaps_hard_reg_set): New function.
14057 (decl_conflicts_with_clobbers_p): Rename to:
14058 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14059 Use tree_overlaps_hard_reg_set. Changed caller.
14060 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14061 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14062 * cris.c (cris_md_asm_clobbers): Likewise.
14064 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14066 * reload1.c (emit_input_reload_insns): Delete code that tries to
14067 inherit using find_equiv_reg.
14069 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14071 * c-common.h (flag_const_strings): Don't declare.
14072 * c-common.c (flag_const_strings): Remove.
14073 * c.opt (fconst_strings): Remove.
14074 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14075 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14076 (c_common_init_options): Don't set flag_const_strings.
14077 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14079 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14081 * arm.md (tlobits_cbranch): New pattern.
14082 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14083 testing a single bit.
14085 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14088 * tree-ssa-pre.c (create_component_ref_by_pieces):
14089 Handle RETURN_DECL like VAR_DECL.
14091 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14093 PR middle-end/26134
14094 * fold-const.c (fold_indirect_ref_1): Fold
14095 "*(foo *)&complexfoo" to "__real__ complexfoo"
14096 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14098 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14100 * tree-flow-inline.h (var_can_have_subvars):
14101 Volatile variables should not have subvariables.
14103 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14106 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14107 multiplying unsigned values.
14110 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14112 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14114 2006-02-08 Jason Merrill <jason@redhat.com>
14117 * tree.def: Elaborate on difference from MODIFY_EXPR.
14118 * doc/c-tree.texi (INIT_EXPR): Likewise.
14119 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14120 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14121 (gimplify_target_expr): Likewise.
14122 (gimplify_cond_expr): Remove target handling.
14123 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14124 (gimplify_expr): Clobber it here.
14125 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14126 Do return slot optimization if we have an INIT_EXPR.
14129 * tree-inline.c (declare_return_variable): Also clear
14130 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14133 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14135 PR middle-end/22439
14136 * gimplify.c (gimplify_one_sizepos): Fix typo.
14138 2006-02-08 Jeff Law <law@redhat.com>
14140 PR tree-optimization/21417
14141 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14142 across a backedge if the control statement at the end of the
14143 block is data dependent on other statements in the same block.
14144 (record_temporary_equivalences_from_stmts): Remove over-conservative
14145 test for threading across backedges.
14147 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14148 control statement, handle all three special cases in the same
14149 manner as they all have the same desired solution. No longer
14150 special case edge flag updating when the post dominator is
14153 2006-02-08 Roger Sayle <roger@eyesopen.com>
14155 * tree.def (CHAR_TYPE): Remove.
14156 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14157 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14158 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14159 (gen_string_type_die): Delete unreachable function.
14161 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14162 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14163 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14164 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14165 * builtins.c (type_to_class): Likewise.
14166 * fold-const.c (fold_convert, build_range_check,
14167 merge_ranges): Likewise.
14168 * expr.c (count_type_elements): Likewise.
14169 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14170 * stor-layout.c (layout_type): Likewise.
14171 * ipa-type-escape.c (type_to_consider): Likewise.
14172 * gimplify.c (omp_firstprivatize_type_sizes,
14173 gimplify_type_sizes): Likewise.
14174 * explow.c (promote_mode): Likewise.
14175 * tree-sra.c (is_sra_scalar_type): Likewise.
14176 * varasm.c (output_constant): Likewise.
14177 * tree-inline.c (remap_type_1): Likewise.
14178 * convert.c (convert_to_pointer, convert_to_real,
14179 convert_to_integer, convert_to_complex): Likewise.
14181 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14183 * df-scan.c (df_def_record_1): A set destination may
14184 be a parallel regardless of mode.
14186 2006-02-08 Roger Sayle <roger@eyesopen.com>
14189 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14190 * config/mips/_tilib.c: Remove.
14191 * config/fixtfdi.c: New libgcc source file.
14192 * config/fixunstfdi.c: New source file.
14193 * config/floatditf.c: New source file.
14194 * config/floatunditf.c: New souce file.
14195 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14196 files above instead of config/mips/_tilib.c.
14197 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14199 2006-02-08 Jeff Law <law@redhat.com>
14201 PR tree-optimization/26169
14202 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14205 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14207 * df.h (DF_REG_SIZE): Return the length of the initialized
14210 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14212 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14213 __muldf3): Return a correctly signed zero.
14215 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14217 * passes.c (register_one_dump_file): Accept the current properties
14218 instead of pass number. Adjust call to dump_register. Remove
14220 (register_dump_files): Now a wrapper around...
14221 (register_dump_files_1): ... this one. Do not modify the pass
14223 (next_pass_1): Cosmetic fix.
14224 (execute_todo): Keep second parameter only. Use curr_properties
14225 instead of fetching it from the pass structure. Check and set
14227 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14228 instead of fetching it from the pass structure. Fix calls to
14229 execute_todo. Update curr_properties and initialize .vcg RTL dump
14230 after running the pass. Reset last_verified.
14231 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14233 (FIRST_AUTO_NUMBERED_DUMP): New.
14234 (dump_register): Remove "num" parameter, assign it within the
14236 (get_dump_file_name): Modify template for dumps.
14237 * tree-dump.h (dump_register): Adjust prototype.
14238 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14239 (PROP_trees): Add PROP_gimple_lomp.
14240 (TODO_set_props): New.
14241 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14242 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14243 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14245 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14247 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14248 (sparc64-*-linux*): Likewise.
14249 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14250 * config/sparc/t-linux: New file.
14251 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14252 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14253 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14254 -m32 -mlong-double-128.
14256 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14257 * config/alpha/t-linux: New file.
14258 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14260 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14261 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14262 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14263 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14264 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14265 (CPP_ARCH32_SPEC): Remove.
14267 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14269 PR tree-optimization/26145
14270 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14273 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14276 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14277 >= 240000 when generating code for SOM runtime.
14278 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14279 to $$dyncall when generating code for SOM runtime..
14281 2006-02-07 Dirk Mueller <dmueller@suse.com>
14284 * doc/invoke.texi (-Wsequence-point): Update documentation
14285 that -Wsequence-point is implemented for C++ as well.
14287 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14289 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14290 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14291 (LIB_SPEC): Likewise.
14292 * doc/invoke.texi (SPARC options): Document -pthread.
14294 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14296 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14299 2006-02-07 Roger Sayle <roger@eyesopen.com>
14301 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14302 Correct comment describing BOOLEAN_TYPE.
14304 2006-02-07 Dirk Mueller <dmueller@suse.com>
14306 * c.opt: C++ frontend supports -Wdiv-by-zero.
14307 * c-opts.c (c_common_handle_option): Remove dead case.
14309 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14311 * configure.ac (TLS assembler check): Do not enable TLS by
14312 default on SPARC/Solaris before version 10.
14313 * configure: Regenerate.
14315 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14317 * doc/invoke.texi (xl-compat): Document conversion and support
14320 2006-02-07 Jeff Law <law@redhat.com>
14322 * tree-vrp.c (find_conditional_asserts): Update comments.
14323 (simplify_stmt_for_jump_threading): New.
14324 (identify_jump_threads, finalize_jump_threads): New.
14325 (vrp_finalize): Call identify_jump_threads.
14326 (execute_vrp): Call finalize_jump_threads.
14327 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14328 (vrp_element, vrp_data, vrp_element_p): Remove.
14329 (vrp_hash_elt, vrp_variables_stack): Remove.
14330 (vrp_hash, vrp_eq, record_range): Remove.
14331 (simplify_cond_and_lookup_avail_expr): Remove.
14332 (extract_range_from_cond): Remove.
14333 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14334 (simplify_stmt_for_jump_threading): New.
14335 (dom_thread_across_edge): New wrapper.
14336 (tree_ssa_dominator_optimize): No longer initialize or
14337 finalize any of the VRP datastructures. Remove iteration
14338 step and simplify as a result of removal of iteration step.
14339 (pass_dominator): Perform a cfg cleanup after DOM.
14340 (dom_opt_finalize_block): Use the new common routines
14341 for threading jumps. Simplify stack management slightly.
14342 No longer need to unwind VRP state.
14343 (record_equivalences_from_incoming_edge): No longer record
14345 (eliminate_redundant_computations): No longer call
14346 simplify_cond_and_lookup_avail_expr.
14347 * tree-flow.h (potentially_threadable_block): Prototype.
14348 (thread_across_edge): Likewise.
14349 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14350 (tree-ssa-threadedge.o): Add dependencies.
14351 * tree-ssa-threadedge.c: New file.
14352 * passes.c (init_optimization_passes): Merge PHIs before
14353 calling VRP. Run VRP again late in the SSA optimization pipeline.
14355 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14357 * df-core.c (df_set_blocks): Do not dereference function pointers.
14358 (df_finish1): Likewise.
14359 (df_hybrid_search_forward): Likewise.
14360 (df_hybrid_search_backward): Likewise.
14361 (df_iterative_dataflow): Likewise.
14362 (df_analyze_problem): Likewise.
14363 (df_compact_blocks): Likewise.
14364 (df_dump): Likewise.
14365 * df-scan.c (df_rescan_blocks): Likewise.
14366 (df_record_entry_block_defs): Likewise.
14368 * genconditions.c (write_conditions): Guard the definition of
14369 'insn_conditions' with the check on GCC version.
14370 (write_writer): Guard the traversal 'insn_conditions' with
14371 the check on GCC version.
14373 2006-02-07 Richard Guenther <rguenther@suse.de>
14377 2006-01-30 Richard Guenther <rguenther@suse.de>
14379 * gimplify.c (gimplify_target_expr): Handle easy cases
14380 without creating a temporary.
14382 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14384 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14385 use of float in probability computations. Use edge probabilities
14386 in place of statically computed probabilities.
14387 (min_spec_prob): New static variable.
14388 (schedule_insns): Initialize it.
14389 (GET_SRC_PROB): Removed.
14390 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14392 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14395 * config/ia64/unwind-ia64.c: Revert last change.
14396 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14397 (INCOMING_FRAME_SP_OFFSET): Define.
14399 2006-02-06 Roger Sayle <roger@eyesopen.com>
14401 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14403 2006-02-07 Ben Elliston <bje@au.ibm.com>
14405 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14406 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14407 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14408 (ix86_return_in_memory): Handle TDmode.
14409 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14410 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14412 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14414 * reorg.c (dbr_schedule): Use dump_file instead of file.
14416 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14419 * config/ia64/predicates.md (extr_len_operand): New predicate.
14420 * config/ia64/ia64.md (extv): Tighten constraints.
14422 (*tbit_and_2): Ditto.
14423 (*tbit_and_3): Ditto.
14424 (*tbit_or_2): Ditto.
14425 (*tbit_or_3): Ditto.
14426 (*bit_zero): Ditto.
14429 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14432 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14434 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14436 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14437 loop_optimizer_init and loop_optimizer_finalize
14438 * tree-ssa-sink.c (execute_sink_code): Ditto.
14439 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14440 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14441 tree_ssa_loop_done): Ditto.
14442 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14443 * sched-ebb.c: Include output.h.
14444 (schedule_ebbs): Do not use dump argument.
14445 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14446 * loop.c (loop_dump_stream): Removed.
14447 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14449 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14450 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14451 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14452 loop_iterations, strength_reduce, record_biv, record_giv,
14453 final_giv_value, check_final_value, check_ext_dependent_givs,
14454 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14455 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14456 dump_file instead of loop_dump_stream.
14457 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14458 argument dump_file.
14459 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14461 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14462 * haifa-sched.c: Include output.h
14463 (schedule_insns, sched_init): Do not use dump argument.
14464 * mode-switching.c (optimize_mode_switching): Ditto.
14465 * modulo-sched.c (stats_file): Removed.
14466 (print_node_sched_params): Do not call argument dump_file.
14467 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14468 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14470 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14472 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14473 rtl_loop_init, rtl_loop_done): Ditto.
14474 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14475 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14477 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14478 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14479 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14480 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14481 * emit-rtl.c (renumber_insns): Ditto.
14482 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14483 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14484 * regclass.c (regclass): Ditto.
14485 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14486 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14487 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14488 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14490 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14491 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14493 * gcse.c (gcse_file, debug_stderr): Removed.
14494 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14495 rest_of_handle_gcse): Do not use dump argument.
14496 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14497 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14498 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14499 compute_code_hoist_vbeinout, compute_code_hoist_data,
14500 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14501 compute_store_table, build_store_vectors, insert_insn_start_bb,
14502 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14503 store_motion): Use dump_file instead of gcse_file.
14504 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14505 * profile.c (profile_dump_file): Removed.
14506 (branch_prob): Use dump_file instead of profile_dump_file.
14507 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14509 * tree-ssa-copy.c (dump_copy_of): Ditto.
14510 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14511 dump file to life_analysis.
14512 * bt-load.c (branch_target_load_optimize): Ditto.
14513 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14515 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14516 regclass, dbr_schedule): Declaration changed.
14517 * sched-int.h (sched_init): Declaration changed.
14518 * tree-profile.c (tree_profile_dump_file): Removed.
14519 (tree_profile_hooks): Removed profile_dump_file hook.
14520 * rtl-profile (rtl_profile_dump_file): Removed.
14521 (rtl_profile_hooks): emoved profile_dump_file hook.
14522 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14524 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14525 * tree-cfg.c (build_tree_cfg): Ditto.
14526 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14527 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14528 Declaration changed.
14529 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14530 life_analysis and schedule_insns.
14531 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14533 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14535 * config/mips/mips.c (mips_reorg): Ditto.
14536 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14539 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14541 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14542 (s390_mangle_fundamental_type): New.
14543 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14546 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14547 (alpha_mangle_fundamental_type): New.
14548 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14551 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14553 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14555 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14556 (sparc_mangle_fundamental_type): New.
14558 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14560 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14561 (s390x-*-linux*): Likewise.
14562 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14563 * config/s390/t-linux: New file.
14565 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14567 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14568 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14570 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14572 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14573 (ANTIC_SAFE_LOADS): New macro.
14574 (find_or_generate_expression): Add prototype.
14575 (set_contains_value): Allow null set for sake of not always having
14576 to allocate ANTIC_SAFE_LOADS.
14577 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14578 Allow COMPONENT_REF too.
14579 (valid_in_set): Allow COMPONENT_REF.
14580 Check ANTIC_SAFE_LOADS too.
14581 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14582 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14584 (can_PRE_operation): Add COMPONENT_REF.
14585 (create_component_ref_by_pieces): New function.
14586 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14587 (insert_aux): Move AGGREGATE_TYPE_P check here.
14588 (compute_avail): Set bb local stmt uids.
14589 (pass_pre): Use TODO_update_ssa_only_virtuals.
14591 2006-02-06 Ben Elliston <bje@au.ibm.com>
14593 * configure.ac: Unconditionally disable decimal float by default.
14594 * configure: Regenerate.
14596 2006-02-06 Ben Elliston <bje@au.ibm.com>
14598 * read-rtl.c (read_name): Terminate reading on EOF.
14600 2006-02-06 Ben Elliston <bje@au.ibm.com>
14602 * dfp.c (decimal_real_arithmetic): Change second argument type
14603 from int to enum tree_code. Do not always return true, but now
14604 return result of any call to decimal_do helper functions.
14605 * dfp.h (decimal_real_arithmetic): Update prototype.
14607 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14609 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14611 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14614 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14617 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14619 * tree-vrp.c (cfg_loops): Removed.
14620 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14621 Use current_loops instead of cfg_loops. Pass flags to
14622 loop_optimizer_init.
14623 * cfgloopmanip.c (fix_loop_structure): Update only available
14625 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14626 loop_optimizer_init.
14627 * modulo-sched.c (build_loops_structure): Removed.
14628 (sms_schedule): Use loop_optimizer_init.
14629 * loop-init.c (loop_optimizer_init): Use flags to determine
14630 which properties of loops to prepare.
14631 (rtl_loop_init): Pass flags to loop_optimizer_init.
14632 * tree-ssa-sink.c (execute_sink_code): Ditto.
14633 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14634 * tree-ssa-pre.c (init_pre): Ditto.
14635 * cfgloop.h (LOOPS_NORMAL): New.
14636 (loop_optimizer_init): Declaration changed.
14638 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14640 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14641 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14643 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14645 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14647 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14648 * pa/t-pa64: Delete quadlib.c rule.
14649 * pa/x-ada: Revert last change.
14650 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14652 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14654 PR rtl-optimization/26087
14655 * rtlanal.c (canonicalize_condition): Do not cross basic block
14658 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14661 * config/ia64/ia64.c: Include debug.h.
14662 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14663 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14664 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14665 (process_epilogue, process_set, process_for_unwind_directive):
14666 Output unwind info only if requested. Add CFA info if requested.
14667 Add new arguments as needed. Adjust callers.
14668 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14670 (DWARF2_FRAME_INFO): Define to zero.
14671 * config/ia64/unwind-ia64.c: Remove code that compensated for
14672 the CFA offset error fixed above.
14673 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14674 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14675 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14676 -funwind-tables and -fexceptions to enable frame info.
14677 (dwarf2out_frame_init): Define initial CFA even if
14678 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14679 DWARF2_UNWIND_INFO is nonzero, not just defined.
14680 (dwarf2out_frame_finish): Output non-EH call frame info only
14681 if DWARF2_FRAME_INFO is nonzero.
14682 (convert_cfa_to_loc_list,
14683 compute_frame_pointer_to_cfa_displacement): Define even if
14684 unwind info is not supported.
14685 (gen_subprogram_die): Use the above unconditionally. Remove
14686 legacy alternate code.
14687 * toplev.c (compile_file): Compile in call to
14688 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14689 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14691 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14692 Jakub Jelinek <jakub@redhat.com>
14694 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14695 IBM extended float format long double as "g" on powerpc*-linux.
14697 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14700 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14701 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14703 2006-02-03 Jason Merrill <jason@redhat.com>
14706 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14708 PR middle-end/25977
14709 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14710 on the return slot if it's an NRV.
14712 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14714 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14715 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14716 rewrite_use): Do not handle USE_OUTER.
14717 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14718 add_iv_outer_candidates, may_replace_final_value,
14719 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14720 (find_interesting_uses_op): Functionality of
14721 find_interesting_uses_outer_or_nonlin moved here.
14722 (find_interesting_uses_outside): Use find_interesting_uses_op.
14724 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14727 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14729 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14730 Ulrich Weigand <uweigand@de.ibm.com>
14733 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14734 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14735 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14736 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14738 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14739 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14740 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14741 Define secondary reloads for TFmode moves.
14742 (constant_modes): Add TFmode.
14743 (NR_C_MODES): Set to 8.
14744 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14746 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14747 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14748 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14749 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14750 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14751 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14752 (FPR mode macro): Add TFmode.
14753 (DSF mode macro): New.
14754 (<de>, <dee> mode attributes): Removed.
14755 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14756 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14757 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14758 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14759 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14760 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14761 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14762 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14763 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14764 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14765 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14766 "*negabs<mode>2", "sqrt<mode>2"):
14767 Changed <de> to <xde>. R constraint replaced by <Rf>.
14768 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14770 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14771 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14772 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14774 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14775 "extenddftf2", "extendsftf2"): New expanders.
14776 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14777 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14778 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14779 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14781 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14782 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14783 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14784 __floatditf): Add a GCC_4.1.0 symbol version tag.
14785 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14788 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14791 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14792 Use targetm.binds_local_p instead of TREE_PUBLIC.
14794 2006-02-02 Roger Sayle <roger@eyesopen.com>
14796 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14797 on INTEGER_TYPEs to indicate that it denotes a character type.
14798 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14799 signed_char_type_node, unsigned_char_type_node and char_type_node.
14800 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14801 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14802 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14804 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14805 Daniel Berlin <dberlin@dberlin.org>
14807 * tree-tailcall.c (arg_needs_copy_p): New function.
14808 (eliminate_tail_call): Use arg_needs_copy_p.
14809 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14810 (add_virtual_phis): New function.
14812 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14814 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14815 #ignore instead of #scratch for %g7 .register directive.
14817 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14819 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14822 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14824 * flow.c (calculate_global_regs_live): Assert that there aren't any
14827 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14829 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14830 what its name says.
14831 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14832 bsi_after_labels iterator.
14833 * tree-if-conv.c (find_phi_replacement_condition,
14834 replace_phi_with_cond_modify_expr): Likewise.
14835 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14836 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14838 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14840 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14842 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14845 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14846 array after growing it.
14848 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14850 PR middle-end/24901
14851 * fold-const.c (fold_checksum_tree): Change type of buf.
14853 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14855 * reload.c (push_secondary_reload): Initialize t_icode.
14857 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14859 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14860 -msoft-float -mlong-double-128 only issue a warning, but don't
14861 swich to DFmode long double.
14863 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14865 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14866 has a constant equivalent, iterate over equivalents for arg0,
14867 calling simplify_relational_operation and if there's a result
14868 cheaper than X, apply fold_rtx and return the result.
14870 2006-02-01 Jan Hubicka <jh@suse.cz>
14872 * opts.c (no_unit_at_a_time_default): New global variable.
14873 (decode_options): Use it.
14874 * opts.h (no_unit_at_a_time_default): Declare.
14876 2006-02-01 Paul Brook <paul@codesourcery.com>
14878 * function.c (assign_parm_setup_reg): Use function argument promotion
14880 * expr.c (expand_expr_real_1): Use function argument promotion rules
14883 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14885 * gcc.c (process_command): Change j to 'unsigned int'.
14887 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14889 PR middle-end/26001
14890 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14891 Use the corrected index for the character
14892 out of the string constant.
14894 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14896 * mode-switching.c (optimize_mode_switching): Fix size
14897 allocated for bb_info[n_entities].
14899 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14901 * gcc.c (main): Correct type that is allocated for
14902 explicit_link_files.
14904 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14906 * config/s390/s390.c (init_alignment_context): Set
14907 ALIAS_SET_MEMORY_BARRIER on the MEM.
14908 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14910 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14912 PR middle-end/25933
14913 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14915 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14918 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14920 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14921 * regrename.c: Ditto.
14922 * tree-ssa-loop-im.c: Ditto.
14923 * tree-dump.c: Ditto.
14924 * tree-complex.c: Ditto.
14925 * genrecog.c: Ditto.
14926 * tree-ssa-threadupdate.c: Ditto.
14928 * java/class.c: Ditto.
14929 * java/jcf-parse.c: Ditto.
14930 * java/resource.c: Ditto.
14931 * java/except.c: Ditto.
14932 * java/jvspec.c: Ditto.
14933 * java/jcf-write.c: Ditto.
14934 * java/jcf-path.c: Ditto.
14935 * java/gjavah.c: Ditto.
14936 * java/zextract.c: Ditto.
14937 * java/jcf-io.c: Ditto.
14938 * java/jcf.h: Ditto.
14939 * java/buffer.c: Ditto.
14940 * java/lang.c: Ditto.
14941 * java/parse-scan.y: Ditto.
14942 * java/lex.c: Ditto.
14943 * java/lex.h: Ditto.
14944 * cfgloopmanip.c: Ditto.
14945 * postreload-gcse.c: Ditto.
14946 * tree-ssa-loop-manip.c: Ditto.
14947 * postreload.c: Ditto.
14948 * tree-ssa-loop-ch.c: Ditto.
14951 * cppspec.c: Ditto.
14952 * diagnostic.c: Ditto.
14954 * genoutput.c: Ditto.
14956 * cfghooks.c: Ditto.
14957 * cfgloopanal.c: Ditto.
14958 * objc/objc-act.c: Ditto.
14960 * genextract.c: Ditto.
14961 * genautomata.c: Ditto.
14962 * pretty-print.c: Ditto.
14963 * genemit.c: Ditto.
14964 * cgraphunit.c: Ditto.
14966 * df-scan.c: Ditto.
14967 * haifa-sched.c: Ditto.
14968 * dominance.c: Ditto.
14970 * tree-ssa-loop-ivopts.c: Ditto.
14971 * df-core.c: Ditto.
14972 * mode-switching.c: Ditto.
14973 * modulo-sched.c: Ditto.
14975 * ipa-pure-const.c: Ditto.
14977 * fix-header.c: Ditto.
14979 * tree-stdarg.c: Ditto.
14980 * ipa-utils.c: Ditto.
14981 * loop-init.c: Ditto.
14982 * ipa-inline.c: Ditto.
14983 * cfganal.c: Ditto.
14985 * alloc-pool.c: Ditto.
14986 * dwarf2out.c: Ditto.
14988 * genattrtab.c: Ditto.
14989 * tree-ssa-loop-ivcanon.c: Ditto.
14990 * predict.c: Ditto.
14991 * timevar.c: Ditto.
14993 * fortran/gfortranspec.c: Ditto.
14994 * regmove.c: Ditto.
14995 * local-alloc.c: Ditto.
14996 * langhooks.c: Ditto.
14997 * function.c: Ditto.
14998 * tree-vectorizer.c: Ditto.
15000 * ipa-type-escape.c: Ditto.
15002 * tree-if-conv.c: Ditto.
15003 * profile.c: Ditto.
15005 * tree-data-ref.c: Ditto.
15006 * loop-unroll.c: Ditto.
15007 * treelang/treetree.c: Ditto.
15009 * bt-load.c: Ditto.
15010 * ggc-common.c: Ditto.
15012 * coverage.c: Ditto.
15014 * tree-cfgcleanup.c: Ditto.
15015 * tree-ssa-pre.c: Ditto.
15016 * cfgcleanup.c: Ditto.
15017 * loop-invariant.c: Ditto.
15018 * loop-iv.c: Ditto.
15019 * ipa-prop.c: Ditto.
15020 * print-tree.c: Ditto.
15021 * conflict.c: Ditto.
15022 * ggc-page.c: Ditto.
15023 * sched-deps.c: Ditto.
15024 * regclass.c: Ditto.
15025 * tree-object-size.c: Ditto.
15026 * combine.c: Ditto.
15027 * bb-reorder.c: Ditto.
15028 * resource.c: Ditto.
15029 * var-tracking.c: Ditto.
15030 * cfgloop.c: Ditto.
15031 * df-problems.c: Ditto.
15032 * reg-stack.c: Ditto.
15034 * gccspec.c: Ditto.
15035 * sched-rgn.c: Ditto.
15036 * tree-ssa-structalias.c: Ditto.
15037 * tree-ssa-reassoc.c: Ditto.
15038 * config/darwin-c.c: Ditto.
15039 * config/darwin.c: Ditto.
15040 * config/arm/arm.c: Ditto.
15042 * collect2.c: Ditto.
15043 * reload1.c: Ditto.
15045 2006-01-31 Nicolas Pitre <nico@cam.org>
15047 * arm.md (smaxsi3): Make aware of smax_m1.
15050 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15052 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15054 2006-01-31 Richard Guenther <rguenther@suse.de>
15056 * doc/invoke.texi (-msselibm): Document.
15057 * target.h (expand_library_builtin): New target hook.
15058 * builtins.c (expand_builtin): Use expand_library_builtin.
15059 (default_expand_library_builtin): New function.
15060 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15061 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15062 (link_gcc_math_spec): Declare.
15063 (static_specs): Add link_gcc_math_spec.
15064 * expr.h (default_expand_library_builtin): Declare.
15065 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15066 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15067 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15068 * config/i386/i386.opt (msselibm): New target option.
15069 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15070 (ix86_init_sse_abi_builtins): New function.
15071 (ix86_expand_library_builtin): Likewise.
15072 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15073 (override_options): Handle error conditions wrt -msselibm.
15074 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15075 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15076 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15079 2006-01-31 Richard Guenther <rguenther@suse.de>
15080 Paolo Bonzini <bonzini@gnu.org>
15082 * doc/install.texi (--disable-libgcc-math): Document.
15084 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15086 * expr.h (expand_normal): new inline function.
15087 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15088 * dojump.c: use it.
15089 * dwarf2out.c: use it.
15092 * expmed.c: use it.
15093 * except.c: use it.
15094 * config/sparc/sparc.c: use it.
15095 * config/i386/i386.c: use it.
15096 * config/rs6000/rs6000.c: use it.
15097 * config/arm/arm.c: use it.
15098 * config/mips/mips.c: use it.
15099 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15101 2006-01-30 Roger Sayle <roger@eyesopen.com>
15103 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15104 argv to the appropriate type.
15106 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15108 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15111 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15114 * config/s390/s390.c (struct machine_function): New flag
15115 decomposed_literal_pool_addresses_ok_p.
15116 (s390_reorg): Set it before final stage of literal pool transforms.
15117 (s390_decompose_address): Only accept displacements of the form
15118 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15120 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15122 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15123 the comparison routine return.
15125 2006-01-30 Michael Matz <matz@suse.de>
15127 * global.c (find_reg): Only evict for global regs.
15128 Take n_refs into account and dump more info.
15130 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15133 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15134 (pragma_trap, pragma_nosave_low_regs): Likewise.
15135 (current_function_anonymous_args): Likewise.
15136 (sh_deferred_function_attributes): New variable.
15137 (sh_deferred_function_attributes_tail): Likewise.
15138 (print_operand): For '@', look up trap_exit attribute.
15139 (calc_live_regs): Look up trapa_handler attribute. For trapa
15140 handlers, save/restore fpscr, but don't do any other
15141 interrupt-specific saves.
15142 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15143 Fix check for partially saved registers to check for SHmedia.
15144 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15145 (sh_output_function_epilogue): Don't clear any of the removed
15147 (sh_insert_attributes): Don't check pragma_interrupt.
15148 Insert deferred attributes. Check that interrupt attribute is
15149 present for other attributes that require its presence.
15150 (sh_attribute_table): Add new attributes trapa_handler and
15152 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15153 Don't check for pragma_interrupt. Don't store argument.
15154 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15155 (sh_deferred_function_attributes): Declare.
15156 (sh_deferred_function_attributes_tail): Likewise.
15157 * sh.md (sp_switch_1): Add operand. Change generator caller.
15158 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15159 (*return_i): Don't use when trap_exit attribute is in effect.
15160 (*return_trapa): New insn pattern.
15161 * sh-c.c: New file.
15162 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15163 setting c_target_objs and cxx_target_objs.
15164 * t-sh: Add rule for sh-c.o.
15166 2006-01-30 Richard Guenther <rguenther@suse.de>
15169 * gimplify.c (gimplify_target_expr): Handle easy cases
15170 without creating a temporary.
15172 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15174 * vec.h (safe_grow): Remove duplicated line.
15176 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15179 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15180 (expand_omp): ... here.
15181 (expand_omp_parallel): Only remove barriers for combined
15182 parallel+workshare constructs.
15184 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15188 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15189 * tree.c (build_qualified_type): Chain the new type to the original
15190 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15191 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15192 (build_pointer_type_for_mode): Only return unqualified types.
15193 (build_reference_type_for_mode): Likewise.
15195 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15197 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15198 * Makefile.in (CXX_COMPAT_WARN): Define.
15199 * configure: Regenerate.
15201 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15204 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15207 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15209 * toplev.c: Fix thinko.
15211 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15212 Marcin Dalecki <martin@dalecki.de>
15214 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15215 (push_srcloc): Use XNEW.
15216 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15218 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15220 * df-core.c (df_set_blocks): Deleted all variable.
15222 2006-01-28 Ian Lance Taylor <ian@airs.com>
15224 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15225 cgraph_output_pending_asms.
15227 2006-01-28 Zack Weinberg <zackw@panix.com>
15229 * c.opt: Add -W(no-)overlength-strings.
15230 * doc/invoke.texi: Document it.
15231 * c-opts.c (c_common_handle_option): -pedantic implies
15232 -Woverlength-strings, if not explicitly disabled already.
15233 (c_common_post_options): -Woverlength-strings defaults to off, and
15234 is always off for C++.
15235 * c-common.c (fix_string_type): Issue warning about strings longer
15236 than is portable only if warn_overlength_strings. Rearrange code
15237 a little for clarity.
15238 * configure.in: Check for -Wno-overlength-strings as well before
15239 enabling -pedantic in stage 1.
15240 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15241 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15243 * genconditions.c (write_header, write_one_condition)
15244 (write_conditions, write_writer): Consolidate very long strings
15245 that were broken up to fit in C89 portable limit. Don't use
15246 printf when fputs will do.
15248 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15250 * combine.c (simplify_comparison <AND>): Check
15251 TRULY_NOOP_TRUNCATION before start using a subreg.
15253 * config/mips/mips.md (*branch_zero<mode>,
15254 *branch_zero<mode>_inverted, *branch_equality<mode>,
15255 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15256 Remove mode check from comparisons.
15258 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15260 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15262 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15264 * expmed.c (const_mult_add_overflow_p): Remove.
15265 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15267 * recog.c (validate_replace_rtx_subexp): Remove.
15268 * recog.h: Remove the prototype for
15269 validate_replace_rtx_subexp.
15271 * integrate.h: Remove the prototype for
15272 copy_decl_for_inlining.
15273 * rtl.h: Remove the prototype for mark_constant_function.
15274 * tree-vectorizer.h: Remove the prototype for
15275 vect_strip_conversion.
15277 * modulo-sched.c (create_partial_schedule,
15278 free_partial_schedule, reset_partial_schedule): Make them
15281 * hooks.c (hook_bool_rtx_int_false): Remove.
15282 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15284 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15286 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15287 and -mlong-double-128 are incompatible.
15288 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15289 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15290 (TARGET_LIBGCC2_CFLAGS): Define.
15291 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15292 (TARGET_LIBGCC2_CFLAGS): Same.
15293 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15295 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15298 * c-typeck.c (build_binary_op): Perform implicit casts of
15299 operands before shortening them.
15301 * cfgloopmanip.c (split_loop_bb): Remove.
15302 * cfgloop.h: Remove the prototype for split_loop_bb.
15304 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15305 * cfgloop.h: Remove the prototype for
15306 flow_loop_outside_edge_p.
15308 * emit-rtl.c (init_virtual_regs): Make it static.
15309 * function.h: Remove the prototype for init_virtual_regs.
15311 * recog.c (peephole2_optimize): Make it static.
15312 * recog.h: Remove the prototype for peephole2_optimize.
15314 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15316 * df-scan.c (df_record_entry_block_defs): Check if
15317 INCOMING_RETURN_ADDR_RTX is defined.
15319 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15320 Kenneth Zadeck <zadeck@naturalbridge.com>
15322 PR rtl-optimization/24762
15323 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15324 * targhooks.c (hook_void_bitmap): New hook prototype.
15325 * targhoohs.h (hook_void_bitmap): Ditto.
15326 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15327 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15328 * target.h (live_on_entry): New function pointer.
15329 * df-scan.c (df_all_hard_regs): Removed.
15330 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15331 (df_scan_free_internal): Added df->entry_block_defs.
15332 (df_scan_alloc): Ditto.
15333 (df_scan_dump): Ditto.
15334 (df_uses_record): Plumbed flag field properly thru calls.
15335 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15336 This part fixes PR24762.
15337 (df_bb_refs_record): Added code to make the frame and arg
15338 pointers live in EH blocks.
15339 (df_refs_record): Added call to df_record_entry_block_defs.
15340 (df_record_entry_block_defs): New function.
15341 * df-core.c: Added comments to describe new artifical defs.
15342 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15343 (entry_block_defs): New field in struct df.
15344 (df_all_hard_regs): Deleted.
15345 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15346 * df-problems.c (df_ru_bb_local_compute_process_def):
15347 Added code to handle artifical defs in the entry to a function.
15348 (df_ru_bb_local_compute): Ditto.
15349 (df_rd_bb_local_compute_process_def): Ditto.
15350 (df_rd_bb_local_compute): Ditto.
15351 (df_lr_bb_local_compute): Ditto.
15352 (df_ur_bb_local_compute): Ditto.
15353 (df_urec_bb_local_compute): Ditto.
15354 (df_chain_create_bb): Ditto.
15355 (df_ur_local_finalize): Removed entry.
15356 (df_urec_init): Ditto.
15357 (df_urec_local_finalize): Ditto.
15358 (df_ri_bb_compute): Added detection of last use of pseudos.
15359 * Makefile.in (df-scan.o): Updated dependencies.
15360 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15361 * config/mips/mips.c (mips_set_live_on_entry): Added.
15362 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15364 * dce.c (marked_insn_p): Added code to handle artifical defs.
15366 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15368 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15370 (_mm_cvtsi128_si64): Likewise.
15371 (_mm_cvtsd_si64): Likewise.
15372 (_mm_cvttsd_si64): Likewise.
15373 (_mm_cvtsi64_sd): Likewise.
15374 (_mm_cvtsi64_si128): Likewise.
15375 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15376 (_mm_cvtsi64_m64): Likewise.
15377 (_m_to_int64): Likewise.
15378 (_mm_cvtm64_si64): Likewise.
15379 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15380 (_mm_cvttss_si64): Likewise.
15381 (_mm_cvtsi64_ss): Likewise.
15382 (_mm_cvtss_f32): Likewise.
15384 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15386 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15387 for pragma redefine_extname.
15389 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15392 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15393 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15394 -mno-minimal-toc to previous content.
15395 (bispecs): Remove goal.
15396 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15397 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15398 compatibility aliases on powerpc-*-*gnu*.
15399 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15400 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15401 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15402 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15403 (ldblspecs): New goal.
15404 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15405 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15407 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15408 L_sf_to_tf or L_df_to_tf is defined.
15410 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15411 Alan Modra <amodra@bigpond.net.au>
15414 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15415 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15416 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15417 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15418 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15419 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15420 (rs6000_override_options): Initialize rs6000_ieeequad.
15421 Initialize TFmode format to ibm_extended_format if not
15423 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15425 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15426 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15427 (function_arg_advance): IBM long double passed in two FPRs, not
15429 (function_arg): IBM long double passed in FPRs.
15430 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15431 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15432 Only multireg GPR aligned.
15433 (rs6000_init_libfuncs): Enable IBM long double functions if not
15435 (rs6000_generate_compare): Use IBM long double compare if not
15437 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15438 (TARGET_IEEEQUAD): Define.
15439 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15440 not TARGET_IEEEQUAD.
15441 * config/rs6000/rs6000.md: Enable TFmode patterns if
15443 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15444 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15445 and -mlong-double-128 are incompatible.
15446 * doc/invoke.texi (-mabi): Collect options together. Add
15447 ibmlongdouble and ieeelongdouble.
15449 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15451 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15453 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15454 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15455 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15456 * rtl.h (rtunion_def): Remove rt_ptr.
15458 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15459 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15460 * config/i386/winnt.c (i386_pe_mark_dllexport)
15461 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15463 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15465 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15467 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15471 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15472 pthread_key_delete. From John David Anglin. gthrw-ify
15473 pthread_getunique_np only if it it's not a macro. Delete
15475 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15476 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15477 __gthread_objc_condition_signal, __gthread_key_delete): Add
15478 "__attribute__ ((__unused__))" to unused arguments.
15479 (__gthread_recursive_mutex_init_function): Add missing return.
15480 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15481 gthr-posix95.h: Use macro-based approach for name redirection
15482 on targets missing weakref.
15484 2006-01-26 Zack Weinberg <zackw@panix.com>
15486 * genconditions.c (write_header): In generated code, #ifdef out
15487 all includes and fake declarations, except includes of bconfig.h
15488 and system.h, unless GCC_VERSION >= 3001. Do not include
15489 gensupport.h in any case.
15490 (write_conditions): Generate a definition of struct c_test. Add
15491 a comment to the generated #endif.
15492 (write_one_condition): Escape backslashes in string too.
15493 (write_writer): Generated code must escape backslashes and quote
15494 marks (but not newlines) in the strings it writes.
15495 * Makefile.in (build/gencondmd.o): Update dependencies.
15497 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15500 * Makefile.in (insn-automata.o): Add header file dependencies.
15501 * genautomata.c: Add includes.
15503 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15506 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15508 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15510 * configure.ac: Expect target tools paths to be passed from the toplevel
15511 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15513 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15515 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15518 * c.opt (Wpointer-sign): Init to -1.
15519 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15520 OPT_pedantic, to 0 otherwise.
15521 * doc/invoke.texi: Update.
15523 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15525 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15526 constants provided by 80387 instructions in the destination mode.
15528 2006-01-26 Richard Guenther <rguenther@suse.de>
15529 Andrew Pinski <pinskia@physics.uc.edu>
15532 partial PR tree-opt/17064
15533 * tree-ssa-structalias.c (intra_create_variable_infos):
15534 Create heap variables for incoming parameters if
15535 flag_argument_noalias > 1.
15536 (find_what_p_points_to): Look through default defs of
15539 2006-01-26 Jeff Law <law@redhat.com>
15542 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15543 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15544 within the VR_RANGE, use the VR_RANGE as the result, not the
15546 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15547 bounds for the type.
15549 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15551 * tree-ssa-alias.c (maybe_create_global_var): Change
15552 subvar walking to an assertion that we don't have subvar'd variables.
15554 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15557 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15558 Use a new variable, inner. PARM_DECLs are always non-weak.
15560 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15562 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15563 --disable-checking.
15565 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15567 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15569 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15571 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15572 (smax_insn, smin_insn, smax_0, smin_0): New.
15574 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15577 * config/cris/cris.c (cris_order_for_addsi3): New function.
15578 * config/cris/cris-protos.h: Prototype it.
15579 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15580 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15581 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15582 (split for "op.S1 [rx=rx+i],ry (swapped)")
15583 (split for "op(s|u).S1 [rx=rx+i],ry")
15584 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15585 Apply cris_order_for_addsi3 when generating addsi3 insns.
15587 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15589 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15590 (TREE_BLOCK): Add call to EXPR_CHECK.
15592 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15595 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15596 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15597 (dump_omp_clauses): ... here.
15598 (dump_generic_node): Handle OMP_CLAUSE.
15599 * tree.c (omp_clause_num_ops): New.
15600 (omp_clause_code_name): New.
15601 (tree_code_size): Handle OMP_CLAUSE.
15602 (tree_size): Likewise.
15603 (make_node): Document handling of OMP_CLAUSE.
15604 (tree_node_structure): Handle OMP_CLAUSE.
15605 (omp_clause_check_failed): New.
15606 (omp_clause_range_check_failed): New.
15607 (omp_clause_operand_check_failed): New.
15608 (build_omp_clause): New.
15609 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15610 * tree.h (enum omp_clause_code): Declare.
15611 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15612 (OMP_CLAUSE_RANGE_CHECK): Define.
15613 (OMP_CLAUSE_ELT_CHECK): Define.
15614 (omp_clause_check_failed): Declare.
15615 (omp_clause_operand_check_failed): Declare.
15616 (omp_clause_range_check_failed): Declare.
15617 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15618 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15619 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15620 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15621 (OMP_CLAUSE_IF_EXPR): Likewise.
15622 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15623 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15624 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15625 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15626 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15627 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15628 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15629 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15630 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15631 (OMP_CLAUSE_CODE): Define.
15632 (OMP_CLAUSE_SET_CODE): Define.
15633 (OMP_CLAUSE_CODE): Define.
15634 (OMP_CLAUSE_OPERAND): Define.
15635 (struct tree_omp_clause): Declare.
15636 (union tree_node): Add field 'omp_clause'.
15637 * treestruct.def (TS_OMP_CLAUSE): Define.
15638 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15639 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15640 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15641 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15642 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15643 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15644 (OMP_CLAUSE): Define.
15645 * print-tree.c (print_node): Handle OMP_CLAUSE.
15646 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15647 * c-typeck.c: Likewise.
15648 * gimplify.c: Likewise.
15649 * c-omp.c: Likewise.
15650 * tree-nested.c: Likewise.
15651 * tree-inline.c: Likewise.
15652 * c-parser.c: Likewise.
15653 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15656 2006-01-25 Roger Sayle <roger@eyesopen.com>
15658 PR rtl-optimization/25703
15659 * combine.c (try_combine): Handle zero_extract and strict_low_part
15660 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15662 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15664 * global.c: Fix comment typos.
15666 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15669 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15670 Use output_addr_const instead of assemble_name.
15672 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15674 * Makefile.in (sched-vis.o): Update dependencies.
15675 * haifa-sched.c (sched_finish): Clear current_sched_info.
15676 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15677 (dump_flow_info): Call it.
15678 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15680 * basic-block.h (dump_bb_info): Declare.
15681 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15682 option, and apply options only for dump files whose TDF_RTL,
15683 TDF_TREE, or TDF_IPA bits match.
15684 * rtl.h: Declare new functions exported from sched-vis.c.
15685 * sched-vis.c: Enable also if scheduling is not used.
15686 (print_value): Print the mode of registers if not inside scheduling.
15687 (print_insn): Make it work outside the scheduler. Beautify the output
15689 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15691 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15693 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15694 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15695 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15696 depending on the value of CONSTANT_POOL_ADDRESS_P.
15697 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15699 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15700 rather than SYMBOL_REF_DECL.
15701 (rtx_constant_pool): Remove const_rtx_sym_htab.
15702 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15703 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15704 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15705 Remove handling of const_rtx_sym_htab.
15706 (find_pool_constant): Delete.
15707 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15708 rather than find_pool_constant.
15709 (get_pool_constant_for_function): Delete.
15710 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15711 find_pool_constant.
15712 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15713 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15714 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15715 (SYMBOL_REF_CONSTANT): New macro.
15716 (get_pool_constant_for_function): Delete.
15717 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15718 rather than SYMBOL_REF_DECL.
15719 (i386_pe_mark_dllimport): Likewise.
15720 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15721 rather than SYMBOL_REF_DECL.
15722 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15723 (machopic_indirect_call_target): Likewise.
15725 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15727 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15729 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15731 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15733 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15735 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15737 2006-01-24 David Daney <ddaney@avtrex.com>
15740 * configure.ac (enable_tls): New enable option.
15741 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15742 * configure: Regenerate.
15743 * doc/install.texi (--enable-tls): Document new option.
15744 (--disable-tls): Ditto.
15746 2006-01-24 Richard Henderson <rth@redehat.com>
15748 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15749 * alias.c (true_dependence): Respect it.
15750 (canon_true_dependence, write_dependence_p): Likewise.
15751 * builtins.c (get_builtin_sync_mem): Set it.
15753 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15755 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15758 2006-01-24 DJ Delorie <dj@redhat.com>
15760 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15761 for storing constants in single-bit bitfields.
15763 2006-01-25 Ben Elliston <bje@au.ibm.com>
15765 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15767 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15770 * tree-ssa-pre.c (phi_translate): Return NULL
15771 for AGGREGATE_TYPE's.
15773 2006-01-24 Zack Weinberg <zackw@panix.com>
15775 * genautomata.c (process_state_for_insn_equiv_partition):
15776 Use xcalloc for insn_arcs_array.
15777 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15778 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15780 2006-01-24 Richard Henderson <rth@redhat.com>
15782 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15783 update all callers.
15785 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15787 PR rtl-optimization/25890
15788 PR rtl-optimization/25905
15789 * combine.c (expand_compound_operation, expand_field_assignment):
15790 Fail if the bitfield's final position is out of bounds.
15792 2006-01-24 Ian Lance Taylor <ian@airs.com>
15794 PR middle-end/25930
15795 * cgraphunit.c (cgraph_output_in_order): Don't clear
15796 cgraph_asm_nodes until after asm strings have been output.
15798 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15800 * fix-header.c (read_scan_file): Add new parameter imultilib when
15801 calling register_include_chains.
15803 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15805 * omp-low.c: Update documentation.
15807 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15808 Daniel Berlin <dberlin@dberlin.org>
15812 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15813 return from the function.
15815 2006-01-22 Zack Weinberg <zackw@panix.com>
15817 * rtl.def (match_code): Add second argument.
15818 * genpreds.c (write_extract_subexp): New function.
15819 (write_match_code): Add path argument. Use write_extract_subexp.
15820 (write_predicate_expr): Pass path to write_match_code.
15821 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15822 not perform a mode test.
15823 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15824 a subexpression does not constrain the top-level code set.
15825 * read-rtl.c (read_rtx_variadic): New function.
15826 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15827 * doc/md.texi: Document new notation.
15828 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15829 (cmpsi_operand): ... here, using new notation.
15831 2006-01-22 Zack Weinberg <zackw@panix.com>
15833 * varray.c: Remove GENERATOR_FILE #ifdefs.
15835 2006-01-22 Zack Weinberg <zackw@panix.com>
15837 * genautomata.c (output_reserved_units_table): Emit nothing if
15838 description->query_units_num is zero. Remove extra blank line.
15839 (output_cpu_unit_reservation_p): Short circuit
15840 if description->query_units_num is zero.
15842 2006-01-22 Zack Weinberg <zackw@panix.com>
15844 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15845 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15846 nor any of the random handful of variables that used to be necessary
15847 when this program was linked with rtlanal.o. Prune set of forward
15848 function declarations.
15849 (struct attr_desc): Remove static_p field.
15850 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15851 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15852 (attr_string): Do not read the character one past the length of
15854 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15855 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15856 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15857 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15858 (make_automaton_attrs): New.
15859 (main): Do not call into genautomata. Call local gen_bypass
15860 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15861 Remove special case for insn_alts.
15862 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15863 varray.h (leftover from previous change). Prune set of forward
15864 function declarations. Remove state_alts fields from all
15865 structures. Remove state_alts_table from struct automaton.
15866 Make everything except main static. Do not maintain num_dfa_decls.
15867 Do not maintain state_alts fields of various structures.
15868 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15869 (add_arc): Remove state_alts argument. All callers updated.
15870 (output_reserved_units_table): Emit #ifdef here...
15871 (output_tables): ...not here. Don't generate state_alts tables.
15872 (expand_automata): Don't generate attributes.
15873 (write_automata): Don't generate state_alts functions.
15874 (main): New function.
15875 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15876 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15877 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15878 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15879 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15880 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15881 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15882 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15884 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15885 * genattrtab.h: Delete file.
15886 * Makefile.in (OBJS-common): Add insn-automata.o.
15887 (insn-automata.o): New rule.
15888 (simple_generated_c): Add insn-automata.c.
15889 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15890 (genprogmd): Add automata.
15891 (build/genattrtab): Needs no extra objects nor libraries.
15892 (build/genautomata): Needs build/vec.o and -lm.
15894 2006-01-22 Zack Weinberg <zackw@panix.com>
15896 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15897 (output_dfa_max_issue_rate, locked_states_num): Delete.
15898 (struct automaton): Add locked_states field.
15899 (output_dead_lock_vect): Save number of locked states in
15900 automaton->locked_states. If it is zero, don't print anything.
15901 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15902 (output_internal_dead_lock_func): Only test the dead_lock_vect
15903 for automata that have locked states.
15904 (output_statistics): Always print the number of locked states for
15905 each automaton. Calculate total number of locked states here.
15906 (write_automata): Don't call output_dfa_max_issue_rate.
15907 * genattrtab.c: Define length_unit_log as a const variable.
15908 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15909 max_insn_queue_index const.
15910 * final.c (length_unit_log): Declare const.
15911 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15913 2006-01-22 Zack Weinberg <zackw@panix.com>
15915 * genautomata.c: Include vec.h, not varray.h.
15916 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15917 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15918 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15919 VEC_* macros operating on appropriately typed vectors, or to
15920 malloced arrays when the size is known in advance. Const-ify
15921 many char* variables and function arguments. No functional changes.
15922 * Makefile.in (build/varray.o): Delete rule.
15923 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15924 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15926 2006-01-22 Zack Weinberg <zackw@panix.com>
15928 * gensupport.c: Define get_insn_name and record_insn_name here.
15929 (read_md_rtx): Call record_insn_name as appropriate.
15930 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15931 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15932 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15934 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15935 (BUILD_VARRAY): Delete.
15936 (genprognormal): Rename genprogmd. Fold in all programs from
15937 genprognoprint; also attrtab.
15938 (build/genattrtab): Just mention genautomata.o and varray.o.
15939 Reorganize a bit, add comments to make the categories clearer.
15941 2006-01-22 Zack Weinberg <zackw@panix.com>
15943 * genconditions.c (condition_table, add_condition): Delete.
15944 (write_conditions): Don't emit n_insn_conditions nor
15945 insn_elision_unavailable. Issue the gcc version #ifdef here,
15946 inside the table, with no #else clause ...
15947 (write_header): ...not here.
15948 (write_writer): New function.
15949 (main): Don't initialize condition_table. Use add_c_test.
15951 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15952 files on the command line.
15953 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15954 Return -1 if there is no entry in the table, don't abort.
15955 (add_c_test, traverse_c_tests): New functions.
15956 * gensupport.h (insn_elision_unavailable, insn_conditions)
15957 (n_insn_conditions): Delete declarations.
15958 (add_c_test, traverse_c_tests): Declare.
15959 * read-rtl.c: Include gensupport.h.
15960 (read_conditions): New function.
15961 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15962 (read_rtx_1): If we get EOF when we were looking for an initial
15963 open paren, return 0. Call read_conditions when appropriate.
15964 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15965 dummy-conditions.o. Eliminate references to insn-conditions.o,
15966 or change them to build/gencondmd.o, as appropriate. Remove
15967 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15968 from $(simple_generated_c). For all files remaining in those
15969 two lists, add insn-conditions.md to the generator command line.
15970 Give insn-constants.h/s-constants their own rules. Add rules
15971 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15972 (build/read-rtl.o): Depend on gensupport.h.
15973 (genprognormal): Include preds.
15974 (genprogearly): Rename genprognoprint; only difference is now that
15975 they don't link with $(BUILD_PRINT).
15976 * dummy-conditions.c: Delete.
15978 2006-01-22 Zack Weinberg <zackw@panix.com>
15980 * genextract.c: Don't include insn-config.h. Do include vec.h.
15981 Declare vectors of int, char, and locstr.
15982 (locstr): New typedef.
15983 (struct extraction): Make all array fields into bare pointers.
15984 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15985 (insn_code_number): Delete.
15986 (accum_extract): New struct.
15987 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15988 (gen_insn): Take insn_code_number as an argument. Use an
15989 accum_extract structure instead of loading data directly into
15990 a struct extraction, and having to know how big it might get.
15991 (walk_rtx): Operate entirely on an accum_extract structure.
15992 (print_path): Avoid unnecessary use of printf.
15993 (print_header): New function, split out of main. Distinguish
15994 more carefully between an unrecognizable insn and an insn that
15995 has the code number of a define_expand.
15996 (main): Pass insn_code_number to gen_insn. Call print_header
15997 only after parsing. Avoid unnecessary use of printf.
15998 * Makefile.in (build/vec.o): New rule.
15999 (build/genextract): Depend on build/vec.o.
16000 (build/genextract.o): Don't depend on insn-config.h.
16002 2006-01-22 Zack Weinberg <zackw@panix.com>
16004 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16005 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16006 practical. Eliminate per-generator-program link rules.
16008 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16010 PR middle-end/24437
16011 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16012 with a call expr to ...
16013 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16015 2006-01-23 Richard Guenther <rguenther@suse.de>
16017 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16018 before make_edge with conditional EDGE_TRUE_VALUE.
16020 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16021 Jan Hubicka <jh@suse.cz>
16022 Richard Guenther <rguenther@suse.de>
16024 PR rtl-optimization/25654
16025 * cfgexpand.c (aggregate_contains_union_type): New function.
16026 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16027 for structure variables that contain a union type.
16029 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16031 * gengtype.c (new_structure): Return the structure.
16032 (create_option): Add an extra "next" argument.
16033 (create_field): New function.
16034 (adjust_field_rtx_def): Use create_option and create_field.
16035 Remove a now-unnecessary call to find_structure.
16036 (adjust_field_tree_def): Likewise.
16037 (note_yacc_type): Remove an unnecessary call to find_structure.
16038 * gengtype.h (new_structure): Return the structure.
16039 (create_option): Add an extra argument.
16040 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16041 (option): Adjust calls to create_option.
16043 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16045 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16047 2006-01-22 Paul Brook <paul@codesourcery.com>
16048 Peter Barada <peter@the-baradas.com>
16050 * config/m68k/m68k.md: Add Coldfire FPU support.
16051 Define FP mode macro and associated attributes.
16052 Use it for float mode patterns.
16053 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16054 (LIBCALL_VALUE): Use m68k_libcall_value.
16055 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16056 (m68k_function_value): Ditto.
16057 (emit_move_sequence): Ditto.
16058 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16059 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16060 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16061 (MULTILIB_EXCEPTIONS): Ditto.
16062 * config/m68k/m68k.opt: Add mcfv4e.
16063 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16064 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16065 (m68k_output_function_prologue): Save ColdFire FPU registers.
16066 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16067 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16068 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16069 ColdFire FPU registers.
16070 (m68k_libcall_value, m68k_function_value): New functions.
16071 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16072 (LIBCALL_VALUE): Use m68k_libcall_value.
16073 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16074 (MASK_COLDFIRE): Add MASK_CFV4E.
16075 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16076 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16077 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16078 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16079 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16080 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16081 * doc/invoke.tex: Document -mcfv4e on m68k.
16083 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16085 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16088 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16091 * c-opts.c (c_common_handle_option): Don't include
16092 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16093 * doc/invoke.texi (C++ Dialect Options): Document that
16094 -Wnon-virtual-dtor is no longer included in -Wall.
16096 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16098 * gcov.c (print_version), gcov-dump.c (print_version),
16099 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16102 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16104 * df-scan.c (problem_SCAN): Added NULL reset function.
16105 (df_scan_reset_blocks): Added code to call reset block function
16106 (df_bb_refs_delete) Fixed comment.
16107 (df_insn_refs_delete): Made tolerant of deleting non existent info
16108 for dataflow problems that need to be reset.
16109 * df-core.c (df_set_blocks): Ditto.
16110 * df.h (struct df_problem): Added reset_fun.
16111 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16112 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16113 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16114 functions to clear out all references to def-use or use-def chains.
16116 2006-01-21 Ben Elliston <bje@au.ibm.com>
16118 * varasm.c (assemble_real): Initialise data array.
16120 2006-01-20 Paul Brook <paul@codesourcery.com>
16122 Merge from csl-arm-branch.
16123 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16124 * config/arm/arm.md (movdi): Force operands[1] to a register
16125 if we have a non-register source.
16126 (*arm_movdi, *movdf_soft_insn): Require that one of the
16127 operands be a register.
16128 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16129 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16131 2006-01-20 DJ Delorie <dj@redhat.com>
16133 * varasm.c (initializer_constant_valid_p): Allow pointers
16134 initialized from integer constants of lesser precision.
16135 (output_constant): Allow non-int-sized pointer modes to be
16136 initialized from integer constants.
16138 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16141 * cppdefault.h (struct default_include): Add multilib flag.
16142 * cppdefault.c (cpp_include_defaults): Set it.
16143 * c.opt (-imultilib): New option.
16144 * c-opts.c (imultilib): New.
16145 (c_common_handle_option): Handle -imultilib.
16146 (c_common_post_options): Likewise.
16147 * c-incpath.c (add_standard_paths, register_include_chains):
16149 * c-incpath.h (register_include_chains): Add extra parameter.
16150 * gcc.c (do_spec_1): Generate -imultilib option.
16151 (The Specs Language): Update %I description.
16152 (process_command): Update copyright notice.
16153 * doc/cppopts.texi (-imultilib): Document.
16154 * doc/invoke.texi (-imultilib): Include in option summary.
16155 (%I): Update specs documentation.
16157 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16159 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16161 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16163 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16166 2006-01-20 Richard Guenther <rguenther@suse.de>
16167 Steven Bosscher <stevenb.gcc@gmail.com>
16169 PR rtl-optimization/24626
16170 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16171 EDGE_TRUE_VALUE if in RTL mode.
16174 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16175 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16177 2006-01-20 Dirk Mueller <dmueller@suse.com>
16180 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16181 instead of a special NOP marker.
16182 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16183 NOP marker handling.
16184 * c-common.h (empty_body_warning): Add forward declaration.
16185 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16186 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16188 2006-01-20 Paul Brook <paul@codesourcery.com>
16190 * Makefile.in (lang_checks): Keep going if mkdir fails.
16192 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16194 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16195 be able to clean out basic block when not necessary.
16196 (df_scan_free): Fixed to properly delete information if df is
16197 unused before calling df_finish.
16198 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16199 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16201 (df_bb_refs_delete): New function.
16202 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16203 * df-core.c (df_set_blocks): Added code to properly clean out
16204 unused blocks if they are not part of the blocks to consider.
16205 Added additional null check.
16206 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16207 be able to clean out basic block when not necessary
16208 * df.h (df_free_bb_function): Ditto.
16209 (df_bb_refs_delete): New function.
16210 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16211 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16212 basic block parameter to be able to clean out basic block when not
16214 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16215 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16216 Fixed to properly delete information if df is unused before
16219 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16221 PR rtl-optimization/25799
16222 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16223 Corrected confluence operator to remove bits from op2 before oring
16224 with op1 rather than removing bits from op1.
16225 (df_ru_transfer_function): Corrected test on wrong bitmap which
16226 caused infinite loop. Both of these problems were introduced in
16227 the dataflow rewrite.
16229 2006-01-19 DJ Delorie <dj@redhat.com>
16231 * reload1.c (find_reload_regs): Note the details of reload
16232 failures in the dump file.
16233 (spill_failure): Likewise.
16235 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16237 * loop-iv.c: Include df.h and hashtab.h.
16238 (enum iv_grd_result): New enum.
16239 (DF_REF_IV, DF_REF_IV_SET): New macros.
16240 (struct biv_entry): New.
16241 (df, bivs): New global variables.
16242 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16243 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16245 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16246 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16247 analyzed_for_bivness_p, record_biv): New functions.
16248 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16249 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16250 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16252 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16254 (iv_number_of_iterations): Use new interface to iv analysis.
16255 * loop-unroll.c: Do not include varray.h.
16256 (analyze_iv_to_split_insn): Use new interface to iv
16258 * loop-unswitch.c (may_unswitch_on): Ditto.
16259 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16261 (df_bb_modify): Realloc tables to the new index.
16262 (df_find_use): New function.
16263 * df.h (df_find_use): Declare.
16264 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16266 * cfgloop.h (struct rtx_iv): Remove analysed field.
16267 (iv_get_reaching_def): Removed.
16268 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16269 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16270 (loop-iv.o): Add df.h and hashtab.h dependency.
16271 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16273 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16276 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16278 (__floatundisf, __floatundidf): Likewise.
16279 * libgcc2.h (IS_IBM_EXTENDED): Define.
16281 2006-01-19 DJ Delorie <dj@redhat.com>
16283 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16285 2006-01-19 Paul Brook <paul@codesourcery.com>
16287 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16288 as nothrow when unwinding tables are disabled.
16290 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16293 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16294 of bit-field" when in system header.
16296 2006-01-19 DJ Delorie <dj@redhat.com>
16298 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16299 the 16 bit shift limit of the m16c.
16301 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16304 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16305 * config/i386/i386.c (output_set_got): Output the label if we have one
16306 for the TARGET_DEEP_BRANCH_PREDICTION case.
16308 2006-01-19 Jan Hubicka <jh@suse.cz>
16309 H.J. Lu <hongjiu.lu@intel.com>
16310 Evandro Menezes <evandro.menezes@amd.com>
16312 * invoke.texi (generic): Document
16314 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16315 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16316 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16317 (x86_use_incdec, x86_pad_returns): New variables
16318 (TARGET_CPU_DEFAULT_generic): New constant
16319 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16320 (enum processor_type): Add generic32 and generic64.
16321 * i386.md (cpu attribute): Add generic32/generic64
16322 (movhi splitter): Behave sanely when both partial_reg_dependency and
16323 partial_reg_stall are set.
16324 (K8 splitters): Enable for generic as well.
16325 * predicates.md (incdec_operand): Use TARGET_INCDEC
16326 (aligned_operand): Avoid memory mismatch stalls.
16327 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16328 * ppro.md: Enable for generic32
16329 * i386.c (generic64_cost, generic32_cost): New.
16330 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16331 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16332 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16333 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16334 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16335 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16336 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16337 x86_accumulate_outgoing_args, x86_prologue_using_move,
16338 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16339 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16340 Enable for generic.
16341 (x86_use_incdec, x86_pad_returns): New.
16342 (override_options): Add generic32 and generic64, translate "generic"
16343 to generic32/generic64 and "i686" to "generic32", refuse
16344 "generic32"/"generic64" as arch target.
16345 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16346 (ix86_reorg): Honor PAD_RETURNS.
16348 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16350 * tree-pretty-print.c (dump_generic_node): Handle
16351 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16352 * cgraph.c (cgraph_expand_queue): Rename from
16353 cgraph_analyze_queue. Update all users.
16354 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16355 cgraph_expand_queue.
16356 (cgraph_expand_all_functions): Likewise.
16357 (cgraph_finalize_pending_functions): Remove. Update callers.
16359 * tree.h (OMP_DIRECTIVE_P): Define.
16360 (OMP_PARALLEL_FN): Define.
16361 (OMP_PARALLEL_DATA_ARG): Define.
16362 (OMP_SECTIONS_SECTIONS): Define.
16363 * tree-pass.h (pass_expand_omp): Declare.
16364 * omp-low.c (struct omp_region): Declare.
16365 (struct omp_context): Remove fields 'parallel_type',
16366 'parallel_start_ix' and 'parallel_start_additional_args'.
16368 (struct omp_for_data): Rename from struct expand_omp_for_data.
16369 (omp_regions): New static variable.
16370 (root_omp_region): New static variable.
16371 (find_omp_clause): Make static.
16372 (is_in_combined_parallel_ctx): Remove.
16373 (is_combined_parallel): New.
16374 (extract_omp_for_data): Move earlier in the file.
16375 (workshare_safe_to_combine_p): New.
16376 (get_ws_args_for): New.
16377 (determine_parallel_type): Move earlier in the file.
16378 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16380 (omp_copy_decl): Likewise.
16381 (create_omp_child_function): Likewise.
16382 (lookup_omp_region): New.
16383 (dump_omp_region): New.
16384 (debug_omp_region): New.
16385 (debug_all_omp_regions): New.
16386 (new_omp_region): New.
16387 (scan_omp_parallel): If parallel_nesting_level > 1, the
16388 directive is nested within another parallel directive.
16389 Set OMP_PARALLEL_FN.
16390 (scan_omp_for): Do not try to handle combined parallel+for
16392 Remove FIXME comment.
16393 (scan_omp_nested): Remove.
16394 (scan_omp_1): Do not call scan_omp_nested when
16395 parallel_nesting_level is > 1.
16396 Do not change the DECL_CONTEXT of local variables found.
16397 (lookup_decl_in_outer_ctx): New.
16398 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16399 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16400 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16401 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16402 If CTX is nested, lookup VAR in the outer context when
16403 building copy assignment.
16404 (lower_send_clauses): Rename from expand_send_clauses.
16405 If CTX is nested, lookup VAR in the outer context when
16406 building copy assignments.
16407 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16408 If CTX is nested, lookup VAR in the outer context when
16409 building copy assignments.
16410 (expand_parallel_call): Rename from build_parallel_call.
16411 Handle combined parallel+workshare cases.
16412 Re-implement to emit code into the CFG.
16414 (expand_omp_parallel): Re-implement to emit code into the CFG.
16415 Call move_sese_region_to_fn to outline the sub-graph
16416 containing the parallel region.
16417 (expand_omp_for_1): Remove.
16418 (expand_omp_for_generic): Re-implement to emit code into the
16420 (expand_omp_for_static_nochunk): Likewise.
16421 (expand_omp_for_static_chunk): Likewise.
16422 (expand_omp_for): Likewise.
16423 (expand_omp_sections): Likewise.
16424 (remove_exit_barriers): New.
16425 (expand_omp_synch): New.
16427 (build_omp_regions_1): New.
16428 (build_omp_regions): New.
16429 (execute_expand_omp): New.
16430 (gate_expand_omp): New.
16431 (pass_expand_omp): Define.
16432 (lower_omp_sections): Rename from expand_omp_sections.
16433 Set OMP_SECTIONS_SECTIONS.
16434 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16435 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16436 (lower_omp_single): Rename from expand_omp_simple.
16437 (lower_omp_master): Rename from expand_omp_master.
16438 (lower_omp_ordered): Rename from expand_omp_ordered.
16439 (lower_omp_critical): Rename from expand_omp_critical.
16440 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16441 (lower_omp_for): Re-implement.
16442 (lower_omp_parallel): Re-implement.
16443 (lower_regimplify): Rename from expand_regimplify.
16444 (lower_omp_1): Rename from expand_omp_1.
16445 If there are syntax errors in the program, replace every
16446 OpenMP directive with NOP.
16447 Call lower_omp_* instead of expand_omp_*.
16448 (lower_omp): Rename from expand_omp.
16450 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16451 * tree-gimple.h (enum omp_parallel_type): Remove.
16452 (gimple_boolify): Declare extern.
16453 (find_omp_clause, determine_parallel_type): Remove.
16455 * gimple-low.c (lower_omp_directive): New.
16456 (lower_stmt): Call it.
16457 (record_vars_into): Move from ...
16458 (record_vars): ... here.
16459 Call record_vars_into with current_function_decl.
16461 * gimplify.c (struct gimplify_ctx): Remove fields
16462 combined_pre_p and combined_ctxp. Update users.
16463 (get_formal_tmp_var): Add documentation.
16464 (gimple_boolify): Make extern.
16465 (gimplify_expr_in_ctx): Remove. Update callers.
16466 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16467 will always be a BIND_EXPR.
16468 (gimplify_expr): Handle OMP_RETURN_EXPR.
16469 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16470 (OMP_PARALLEL): Add 3 operands.
16471 (OMP_SECTIONS): Add 1 operand.
16472 (OMP_RETURN_EXPR): Define.
16474 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16475 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16476 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16477 creating a circular free list.
16478 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16480 * tree-flow.h (move_sese_region_to_fn): Declare.
16481 (record_vars_into): Declare.
16482 * tree-cfg.c (make_omp_sections_edges): New.
16483 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16484 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16485 OMP_SECTIONS and OMP_SECTION.
16486 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16487 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16488 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16489 (gather_blocks_in_sese_region): New.
16490 (struct move_stmt_d): Declare.
16491 (move_stmt_r): New.
16492 (move_block_to_fn): New.
16493 (move_sese_region_to_fn): New.
16495 * passes.c (init_optimization_passes): Schedule
16496 pass_expand_omp after pass_init_datastructures.
16498 * tree-ssa-operands.c (get_expr_operands): Handle
16499 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16500 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16502 2006-01-19 Jeff Law <law@redhat.com>
16504 * tree-vrp.c (extract_range_from_assert): Refine the result range
16505 if the variable referenced by the ASSERT_EXPR has a range and
16506 either the tentative result range or the previous range is a
16509 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16511 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16513 2006-01-19 Jan Hubicka <jh@suse.cz>
16515 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16517 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16519 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16520 (expand_compound_operation, expand_field_assignment): Fail if the
16521 bit lengths of an extract operation are out of range.
16522 (make_extraction): Compute wanted_inner_mode based on the position
16523 and length of the extraction. Make it extraction_mode for non-constant
16524 positions, and do not modify offset in that case. When generating a
16525 new MEM, use a mode that can hold the extraction while keeping correct
16526 alignment. Remove code that supported MEMs wrapped by USEs.
16527 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16529 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16531 * config/s390/s390.md ("Y", "y"): New mode attribute.
16532 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16533 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16534 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16535 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16536 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16537 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16538 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16539 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16540 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16541 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16542 "addsi3", "subsi3"): Insn patterns removed.
16543 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16544 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16545 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16546 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16547 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16548 "*sub<mode>3_cconly2"): New insn patterns.
16549 ("addsi3", "subsi3"): New expanders.
16551 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16553 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16554 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16555 existing STMT_VINFO_VECTYPE if available.
16556 (vect_mark_relevant): Add special handling for stmts that are
16557 marked as STMT_VINFO_IN_PATTERN_P.
16558 (vect_analyze_loop): Call vect_pattern_recog.
16559 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16560 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16562 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16563 (vect_recog_func_ptr): New function-pointer type.
16564 * tree-vect-patterns.c: New file.
16565 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16566 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16567 (vect_pattern_recog_1): New functions.
16568 (vect_pattern_recog_funcs): New array of function pointers.
16570 * tree-vectorizer.h (ternary_op): New enum value.
16571 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16572 declaration. Revised documentation. Removed redundant dump prints.
16573 Removed redundant argument. Added support for reduction patterns.
16574 (vectorizable_reduction): Added support for reduction patterns.
16575 (vect_transform_stmt): Added support for patterns.
16577 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16578 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16579 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16580 (expand_widen_pattern_expr): New function.
16581 (init_optabs): Initialize new optabs udot_prod_optab,
16583 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16584 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16585 (expand_widen_pattern_expr): New function declaration.
16586 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16588 * tree-inline.c (estimate_num_insns_1): Added cases for new
16589 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16590 * tree-pretty-print.c (dump_generic_node): Likewise.
16591 (op_prio): Likewise.
16592 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16593 * tree-ssa-operands.c (get_expr_operands): Added case for
16595 * tree-vect-patterns.c (widened_name_p): New function.
16596 (vect_recog_dot_prod_pattern): Added function implementation.
16597 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16598 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16599 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16600 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16602 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16603 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16604 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16605 (init_optabs): Initialize new optabs widen_ssum_optab,
16607 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16608 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16609 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16610 use instead of type of def.
16611 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16612 function implementation.
16613 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16614 widen_ssumv8hi): New.
16616 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16619 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16622 * c-decl.c (add_flexible_array_elts_to_size): New function.
16623 (finish_decl): Use it.
16625 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16627 * diagnostic.h: Include options.h.
16628 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16629 dependancies for diagnostic.h.
16630 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16632 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16634 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16635 (ssa_ro_call_cache_valid): Ditto.
16636 * tree-ssa-alias.c (sort_tags_by_id): New function.
16637 (init_transitive_clobber_worklist): Ditto.
16638 (add_to_worklist): Ditto.
16639 (mark_aliases_call_clobbered): Ditto.
16640 (compute_tag_properties): Ditto.
16641 (set_initial_properties): Ditto.
16642 (compute_call_clobbered): Ditto.
16643 (compute_may_aliases): Call compute_call_clobbered and grouping.
16644 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16645 (compute_flow_insensitive_aliasing): Grouping now happens in our
16647 (setup_pointers_and_addressables): Remove clobbering related code.
16648 (add_may_alias): Ditto.
16649 (replace_may_alias): Ditto.
16650 (get_nmt_for): Ditto.
16651 (create_global_var):
16652 (is_escape_site): Return an escape_type enumeration.
16653 * tree-flow-inline.h (is_call_clobbered): Global var does not
16654 imply call clobbered.
16655 (mark_call_clobbered): Take a reason for marking this. Remove
16656 marking of globalness, and cache invalidation.
16657 (clear_call_clobbered): Remove cache invalidation code.
16658 * tree-dfa.c (dump_variable): If details is on, dump the reason
16660 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16662 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16663 (struct var_ann_d): Ditto.
16664 (enum escape_type): New.
16665 (mark_call_clobbered): Adjust prototype.
16666 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16667 are never call clobbered.
16668 Record reasons for escaping.
16669 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16670 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16671 (ssa_ro_call_cache_valid): Ditto.
16672 (clobbered_v_may_defs): Ditto.
16673 (clobbered_vuses): Ditto.
16674 (ro_call_vuses): Ditto.
16675 (clobber_stats): New.
16676 (init_ssa_operands): Zero out clobber stats.
16677 (fini_ssa_operands): Print out clobber stats.
16678 (get_call_expr_operands): Pass callee fndecl to
16679 add_call_read_ops).
16680 (add_call_clobber_ops): Remove use of cache.
16681 Add use of PURE_CONST information.
16682 (add_call_read_ops): Remove use of cache.
16683 Add use of static not_read information.
16685 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16687 Introduce TLS descriptors for i386 and x86_64.
16688 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16689 (TARGET_ANY_GNU_TLS): New macro.
16690 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16691 (struct machine_function): Add tls_descriptor_call_expanded_p.
16692 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16693 (ix86_current_function_calls_tls_descriptor): Likewise.
16694 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16695 (override_options): Introduce gnu2 tls dialect.
16696 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16698 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16700 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16701 (ix86_init_machine_status): Initialize new field.
16702 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16703 (ix86_tls_module_base): New.
16704 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16705 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16706 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16707 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16708 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16709 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16710 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16711 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16712 * config/i386/predicates.md (tls_modbase_operand): New.
16713 (tp_or_register_operand): New.
16715 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16717 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16718 (look_for_address_of): Ditto.
16719 (ipa_init): Walk the function decls.
16720 (static_execute): Don't set readonly on FUNCTION_DECL's.
16722 2006-01-18 Roger Sayle <roger@eyesopen.com>
16724 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16725 for shifts where the source and destination registers are different.
16727 2006-01-18 Paul Brook <paul@codesourcery.com>
16729 Merge from csl-arm-branch.
16730 2005-03-14 Julian Brown <julian@codesourcery.com>
16731 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16732 (aeabi_llsl): Likewise.
16733 (ashrdi3): Likewise.
16734 (aeabi_lasr): Likewise.
16735 (lshrdi3): Likewise.
16736 (aeabi_llsr): Likewise.
16737 2005-03-10 Julian Brown <julian@codesourcery.com>
16738 * config.gcc: Disable shared libgcc for SymbianOS.
16739 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16741 2006-01-18 DJ Delorie <dj@redhat.com>
16743 * c-pragma.c (handle_pragma_diagnostic): New.
16744 (init_pragma): Register it.
16745 * doc/extend.texi: Document it.
16747 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16748 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16749 (diagnostic_context): Add classify_diagnostic[].
16750 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16751 as errors if they're overridden to DK_WARNING.
16752 (diagnostic_initialize): Initialize classify_diagnostic[].
16753 (diagnostic_set_kind_override): New.
16754 (diagnostic_report_diagnostic): Check for kind changes.
16755 * opts.c (common_handle_option): Take lang_mask. Update callers.
16756 Handle OPT_Werror_.
16757 * common.opt (Werror=): New.
16758 * doc/invoke.texi: Document -Werror=*
16760 2006-01-18 Jeff Law <law@redhat.com>
16762 * tree-vrp.c (test_for_singularity): Correct test for new
16763 min limit. Use operand_equal_p rather than pointer equality
16764 for testing if new min/max values are equal.
16766 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16767 using range information until after propagation and folding.
16769 2006-01-18 Richard Henderson <rth@redhat.com>
16770 Aldy Hernandez <aldyh@redhat.com>
16771 Jakub Jelinek <jakub@redhat.com>
16772 Diego Novillo <dnovillo@redhat.com>
16774 * omp-low.c: New file.
16775 * c-omp.c: New file.
16777 2006-01-18 Richard Henderson <rth@redhat.com>
16778 Jakub Jelinek <jakub@redhat.com>
16779 Diego Novillo <dnovillo@redhat.com>
16781 * doc/invoke.texi: Document -fopenmp.
16782 * tree-dump.h (debug_function): Declare.
16783 * hooks.c (hook_bool_tree_bool_false): New function.
16784 (hook_tree_tree_null): Remove.
16785 (hook_tree_tree_tree_null): New.
16786 * hooks.h: Update to match.
16787 * tree-pretty-print.c (debug_tree_chain): New.
16788 (print_generic_expr): Handle TDF_CHAIN.
16789 (dump_generic_node): Handle BLOCK.
16790 Do not abort with incomplete SWITCH_EXPRs.
16791 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16792 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16793 print space after directive name.
16794 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16795 Handle OMP_MASTER and OMP_ORDERED.
16796 Handle printing of OMP_BODY just in one place, goto
16797 dump_omp_body in the rest of OMP_* nodes that have
16799 Don't handle clause nodes here. Update omp statements to
16800 use dump_omp_clauses.
16801 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16802 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16803 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16804 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16805 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16806 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16807 Adjust output for GOMP_PARALLEL.
16808 (dump_omp_clauses): New.
16809 (print_declaration): Dump DECL_VALUE_EXPR.
16810 (op_symbol_1): Split out of op_symbol.
16811 (dumping_stmts): Remove. Update all users.
16812 * cgraph.c (cgraph_analyze_queue): New.
16813 (cgraph_add_new_function): New.
16814 * cgraph.h (cgraph_analyze_queue): Declare.
16815 (cgraph_add_new_function): Declare.
16816 (cgraph_lower_function): Remove.
16817 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16818 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16819 and TYPE_P nodes in its default clause.
16820 (empty_body_p): New.
16821 (tree_range_check_failed): New.
16822 (build5_stat): New.
16823 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16824 OMP_CLAUSE_REDUCTION_MERGE,
16825 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16826 OMP_CLAUSE_PRIVATE_DEBUG,
16827 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16828 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16829 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16830 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16831 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16832 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16833 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16834 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16835 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16836 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16837 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16838 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16839 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16840 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16841 (TREE_RANGE_CHECK): New.
16842 (empty_body_p): Declare.
16843 (enum omp_clause_default_kind): New.
16844 (build_string_literal): Declare.
16845 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16846 (build5_stat, build5): Declare.
16847 * tree-pass.h (TDF_CHAIN): Define.
16848 * tree-pass.h (PROP_gimple_lomp): Define.
16849 (pass_lower_omp): Declare.
16850 * diagnostic.h (debug_tree_chain): Declare.
16851 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16853 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16854 * builtins.c (build_string_literal): Make extern.
16855 * gcc.c (include_spec_function): New.
16856 (static_spec_functions): Add it.
16857 (main): Move load of libgomp.spec ...
16858 (LINK_COMMAND_SPEC): ... here.
16859 (link_gomp_spec): New.
16860 (static_specs): Include it.
16861 (LINK_COMMAND_SPEC): Add link_gomp.
16862 (GOMP_SELF_SPECS): New.
16863 (driver_self_specs): Include it.
16864 (switch_matches): Don't mark inline.
16865 (main): Load libgomp.spec.
16866 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16867 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16868 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16869 * tree-gimple.h (enum omp_parallel): Declare.
16870 (determine_parallel_type): Declare.
16871 (omp_firstprivatize_variable): Declare.
16872 (omp_reduction_init): Declare.
16873 (diagnose_omp_structured_block_errors): Declare.
16874 (struct walk_stmt_info): Add want_return_expr.
16875 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16876 (find_omp_clause): Declare.
16877 (insert_field_into_struct): Declare.
16878 (struct walk_stmt_info): Move from tree-nested.c
16879 (walk_stmts): Declare.
16880 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16882 * cgraphunit.c (cgraph_lower_function): Make static.
16883 (cgraph_finalize_pending_functions): New.
16884 (cgraph_finalize_function): Call it.
16885 (cgraph_finalize_compilation_unit): Likewise.
16886 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16887 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16888 (BT_FN_UINT_UINT): New.
16889 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16890 DEF_FUNCTION_TYPE_VAR_4): Document.
16891 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16892 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16893 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16894 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16895 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16896 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16897 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16898 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16899 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16900 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16901 into separate files.
16902 (DEF_GOMP_BUILTIN): New.
16903 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16904 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16905 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16906 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16907 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16908 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16909 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16910 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16911 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16912 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16913 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16914 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16915 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16916 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16917 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16918 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16919 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16920 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16921 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16922 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16923 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16924 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16925 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16926 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16927 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16928 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16929 * sync-builtins.def: New file, moved from builtins.def.
16930 * omp-builtins.def: New file, moved from builtins.def.
16931 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16932 * gimple-low.c (lower_function_body): Clear data.
16933 (lower_stmt): Do not handle COMPOUND_EXPR.
16934 Remove call to print_node_brief.
16935 * c-tree.h (c_finish_omp_clauses): New prototype.
16936 (C_DECL_THREADPRIVATE_P): Define.
16937 (lookup_name_no_remap, c_omp_remap_private): Remove
16938 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16939 (check_for_loop_decls): Update decl.
16940 (lookup_name_no_remap, c_omp_remap_private): Declare.
16941 (build_indirect_ref, build_modify_expr, pushdecl,
16942 pushdecl_top_level): Move to c-common.h.
16943 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16944 before the switch, but just in the 2 places that need it.
16945 * c-decl.c (diagnose_mismatched_decls): Do not check for
16946 mismatched thread-local attributes when OLDDECL is marked
16947 threadprivate and NEWDECL has no thread-local attributes.
16948 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16949 (c_gimple_diagnostics_recursively): Rename from
16950 c_warn_unused_result_recursively. Invoke
16951 diagnose_omp_structured_block_errors.
16952 (check_for_loop_decls): Return a singular decl found.
16953 * langhooks.c (lhd_omp_predetermined_sharing): Return
16954 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16955 (lhd_omp_firstprivatize_type_sizes): New.
16956 (lhd_omp_assignment): New.
16957 (lhd_omp_predetermined_sharing): New.
16958 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16959 (struct lang_hooks_for_types): Add
16960 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16961 omp_predetermined_sharing, omp_disregard_value_expr,
16962 omp_private_debug_clause, omp_clause_default_ctor,
16963 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16964 (c_finish_omp_clauses): New.
16965 (c_finish_bc_stmt): Diagnose break within omp for.
16966 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16967 (build_unary_op): Return error_mark after reporting
16969 (build_modify_expr): Likewise.
16970 * gimplify.c: Include optabs.h and pointer-set.h.
16971 (enum gimplify_omp_var_data): Declare.
16972 (struct gimplify_omp_ctx): Declare.
16973 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16975 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16976 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16977 (splay_tree_compare_decl_uid): New.
16978 (new_omp_context): New.
16979 (delete_omp_context): New.
16980 (gimple_add_tmp_var): Call omp_add_variable.
16981 (gimplify_bind_expr): Likewise.
16982 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16983 true, disregard DECL_VALUE_EXPR on the decl if any.
16984 (gimplify_expr_in_ctx): New.
16985 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16986 omp_add_variable, omp_notice_variable, omp_is_private
16987 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16988 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16989 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16990 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16991 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16992 gimplify_omp_atomic): New.
16993 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16994 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16995 OMP_CRITICAL and OMP_ATOMIC.
16996 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16997 * c-pragma.h (enum pragma_kind): Add
16998 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16999 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17000 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17001 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17002 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17003 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17004 PRAGMA_OMP_THREADPRIVATE.
17005 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17006 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17007 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17008 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17009 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17010 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17011 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17012 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17013 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17014 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17015 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17016 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17017 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17019 (struct nesting_info): Add field_map,
17020 suppress_expansion, debug_var_chain.
17021 (create_nesting_tree): Initialize them.
17022 (lookup_field_for_decl): Use field_map.
17023 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17024 (convert_local_omp_clauses): New.
17025 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17026 (walk_body): Split out of walk_function.
17027 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17028 (convert_nonlocal_reference): Handle omp statements.
17029 (convert_local_reference): Likewise.
17030 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17031 (unnest_nesting_tree): New.
17032 (lower_nested_functions): Call it.
17033 (insert_field_into_struct): Make extern.
17034 (struct walk_stmt_info): Move to tree-gimple.h.
17035 (walk_stmts): Make extern.
17036 * omp-builtins.def: New file.
17037 * tree-iterator.c (expr_only): Clarify comment.
17038 * c-common.h (pushdecl_top_level, pushdecl,
17039 build_modify_expr, build_indirect_ref,
17040 c_finish_omp_master, c_finish_omp_critical,
17041 c_finish_omp_ordered, c_finish_omp_barrier,
17042 c_finish_omp_atomic, c_finish_omp_flush,
17043 c_finish_omp_for, c_split_parallel_clauses,
17044 omp_clause_default_kind, c_omp_sharing_predetermined,
17045 c_omp_remap_decl): Declare.
17046 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17047 (OBJS-common): Add omp-low.o.
17048 (c-omp.o, omp-low.o): Add.
17049 (gimplify.o): Add dependency on $(OPTABS_H).
17050 (GTFILES): Add omp-low.c.
17051 (gt-stringpool.h): Add.
17052 * tree-cfg.c (set_bb_for_stmt): Do not update the
17053 block-to-labels map if we are currently expanding to RTL.
17054 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17056 Handle IDENTIFIER_NODE.
17057 (tree_verify_flow_info): Do not ICE when emitting error
17058 messages about invalid labels.
17059 (dump_function_to_file): Reset CFUN before emitting the body
17061 (debug_function): New.
17062 * passes.c (init_optimization_passes): Schedule
17064 * langhooks-def.h (lhd_omp_predetermined_sharing,
17065 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17067 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17068 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17069 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17070 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17071 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17072 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17073 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17074 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17075 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17076 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17077 (LANG_HOOK_DECLS): Use them.
17079 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17080 Richard Henderson <rth@redhat.com>
17081 Jakub Jelinek <jakub@redhat.com>
17082 Diego Novillo <dnovillo@redhat.com>
17084 * c-parser.c (pragma_omp_clause): Define.
17085 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17086 (c_parser_compound_statement): Likewise.
17087 (c_parser_statement): Likewise.
17088 (c_parser_pragma): Handle omp pragmas.
17089 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17090 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17091 (c_parser_omp_clause_name, check_no_duplicate_clause,
17092 c_parser_omp_variable_list,
17093 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17094 c_parser_omp_clause_copyprivate,
17095 c_parser_omp_clause_default,
17096 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17097 c_parser_omp_clause_lastprivate,
17098 c_parser_omp_clause_nowait,
17099 c_parser_omp_clause_num_threads,
17100 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17101 c_parser_omp_clause_reduction,
17102 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17103 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17104 c_parser_omp_atomic, c_parser_omp_barrier,
17105 c_parser_omp_critical, c_parser_omp_flush,
17106 c_parser_omp_for_loop, c_parser_omp_for,
17107 c_parser_omp_master, c_parser_omp_ordered,
17108 c_parser_omp_sections_scope, c_parser_omp_sections,
17109 c_parser_omp_parallel, c_parser_omp_single,
17110 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17111 * c-pragma.c (init_pragma): Do omp pragma registration here.
17112 * c.opt (fopenmp): New flag.
17114 2006-01-18 Eric Christopher <echristo@apple.com>
17116 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17117 * config/darwin.h (GOMP_SELF_SPECS): Define.
17119 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17121 * rtl.h: Remove the prototype for reg_alloc.
17123 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17126 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17127 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17128 sjlj and dwarf2 exception handling.
17129 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17130 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17131 * pa/pa.c (function_value): Treat complex and vector types as
17133 (function_arg): Likewise. Only pass scalar floats in the floating
17134 point argument registers.
17135 * pa/t-slibgcc-dwarf-ver: New file.
17136 * pa/t-slibgcc-sjlj-ver: New file.
17137 * pa/t-slibgcc-elf-ver: Delete file.
17139 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17141 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17142 unlikely_test_section_p test.
17144 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17146 * mode-switching.c (optimize_mode_switching): Make it static.
17147 * basic-block.h: Remove the prototype for
17148 optimize_mode_switching.
17150 * modulo-sched.c (sms_schedule): Make it static.
17151 * rtl.h: Remove the prototype for sms_schedule.
17153 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17154 * rtl.h: Remove the prototype for gcse_after_reload_main.
17156 * reg-stack.c (reg_to_stack): Make it static.
17157 * rtl.h: Remove the prototype for reg_to_stack.
17159 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17161 * rtl.h: Remove the prototypes for regrename_optimize and
17162 copyprop_hardreg_forward.
17164 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17166 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17167 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17168 Test against the appropriate null constant for the mode.
17169 If 'fixup_overlap' is true, swap the operands if they overlap.
17170 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17171 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17172 alpha_split_tmode_pair and adjust for above change.
17173 * config/alpha/alpha.md (movtf_internal): Adjust call to
17174 alpha_split_tfmode_pair and rely on it to swap the operands.
17175 (movti_internal): New insn and post-reload splitter.
17176 (movti): New expander.
17178 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17180 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17183 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17185 * rtlanal.c (global_reg_mentioned_p_1,
17186 global_reg_mentioned_p): Remove.
17187 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17189 * flow.c (initialize_uninitialized_subregs): Make it static.
17190 * rtl.h: Remove the prototype for
17191 initialize_uninitialized_subregs.
17193 * function.c (instantiate_virtual_regs): Make it static.
17194 * function.h: Remove the prototype for
17195 instantiate_virtual_regs.
17197 * regmove.c (regmove_optimize, combine_stack_adjustments):
17199 * rtl.h: Remove the prototypes for regmove_optimize and
17200 combine_stack_adjustments.
17202 2006-01-17 Roger Sayle <roger@eyesopen.com>
17204 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17205 (size_cost): Encode costs in bytes so that a reg-reg addition is
17206 equivalent to COSTS_N_INSNS(1).
17207 (override_options): Use the size_cost.branch_cost as the default
17208 ix86_branch_cost when optimizing for size.
17210 2006-01-18 Ben Elliston <bje@au.ibm.com>
17212 * Makefile.in (D32PBIT_FUNCS): New.
17213 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17214 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17215 D64PBIT_FUNCS and D128PBIT_FUNCS.
17216 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17217 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17219 (decnumber_dep): Define.
17220 * doc/libgcc.texi (Decimal float library routines): New node.
17221 * config/dfp-bit.h, config/dfp-bit.c: New files.
17223 2006-01-18 Ben Elliston <bje@au.ibm.com>
17225 * expr.c (emit_move_change_mode): Always adjust addresses, not
17226 just during reload. Copy replacements only during reload.
17227 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17228 emit_move_via_integer.
17230 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17232 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17233 instead of $(srcdir) and ${srcdir}.
17235 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17238 PR middle-end/11135
17239 * arm.h (struct machine_function): Add pic_reg.
17240 * arm.c (arm_pic_register): Make unsigned.
17241 (arm_override_options): Only set arm_pic_register if
17242 TARGET_SINGLE_PIC_BASE.
17243 (use_return_insn): Only test for a pic register if it is fixed.
17244 (arm_compute_save_reg0_reg12_mask): Likewise.
17245 (thumb_compute_save_reg_mask): Likewise.
17246 (legitimate_pic_operand): Factor out some known invariants.
17247 (legitimize_pic_address): If we don't have a fixed pic register,
17248 then set up a pseudo in the function entry sequence. Handle the
17249 pic base being in a pseudo.
17250 (arm_load_pic_register): Handle the pic register being in a pseudo.
17251 (arm_expand_prologue): Only set up the pic register if it is fixed.
17252 (thumb_expand_prologue): Likewise.
17253 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17254 (pic_load_addr_based_insn): Likewise.
17255 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17258 2006-01-18 Ben Elliston <bje@au.ibm.com>
17260 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17261 decimal float modes for all floating point registers.
17263 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17264 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17266 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17269 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17270 even when the pointer is not NULL.
17272 2006-01-16 Ian Lance Taylor <ian@airs.com>
17274 * common.opt (ftoplevel-reorder): New option.
17275 * cgraph.c (cgraph_asm_nodes): New global variable.
17276 (cgraph_asm_last_node): New static variable.
17277 (cgraph_order): New global variable.
17278 (cgraph_create_node): Set new order field.
17279 (cgraph_varpool_node): Likewise.
17280 (decide_is_variable_needed): Return true if not
17281 flag_toplevel_reorder.
17282 (cgraph_add_asm_node): New function.
17283 * cgraph.h (struct cgraph_node): Add order field.
17284 (struct cgraph_varpool_node): Add order field.
17285 (struct cgraph_asm_node): Define.
17286 (cgraph_asm_nodes, cgraph_order): Declare.
17287 (cgraph_add_asm_node): Declare.
17288 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17290 (cgraph_varpool_assemble_pending_decls): Call it.
17291 (cgraph_output_pending_asms): New static function.
17292 (cgraph_finalize_compilation_unit): Call it.
17293 (struct cgraph_order_sort): Define.
17294 (cgraph_output_in_order): New static function.
17295 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17296 !flag_toplevel_reorder case.
17297 * c-parser.c: Include "cgraph.h".
17298 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17300 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17301 than -fno-unit-at-a-time.
17302 * doc/invoke.texi (Option Summary): Mention
17303 -fno-toplevel-reorder.
17304 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17305 -funit-at-a-time documentation.
17307 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17308 Kazu Hirata <kazu@codesourcery.com>
17310 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17312 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17314 * Makefile.in (FUNCTION_H): New. Use it instead of
17315 function.h throughout the file.
17316 * function.h: Include tree.h.
17318 2006-01-17 Ben Elliston <bje@au.ibm.com>
17320 * recog.c: Separate some functions with whitespace.
17322 2006-01-16 Richard Henderson <rth@redhat.com>
17324 Merge from gomp branch:
17325 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17326 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17327 and rename from struct inline_data. Rename callee* to dst*;
17328 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17329 transform_new_cfg, transform_return_to_modify, and
17330 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17332 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17333 (copy_decl_for_dup): Remove.
17334 * tree-inline.c (struct inline_data): Move to header.
17335 (insert_decl_map): Export.
17336 (remap_decl): Update for member name changes. Use copy_decl hook.
17337 Allow for replacement to be a non-decl. Remove dead code.
17338 (remap_type_1): Check for existing mapping.
17339 (remap_type): Export.
17340 (remap_decls): Update for member name changes.
17341 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17342 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17343 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17344 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17345 (tree_function_versioning, build_duplicate_type): Likewise.
17346 (copy_body_r): Likewise. Export.
17347 (copy_decl_for_dup): Split into ...
17348 (copy_decl_for_dup_finish, copy_decl_to_var,
17349 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17350 (replace_ref_tree, inlining_p): Remove.
17352 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17354 * ifcvt.c (if_convert): Make it static.
17355 * rtl.h: Remove the prototype for if_convert.
17357 * local-alloc.c (local_alloc): Make it static.
17358 * rtl.h: Remove the prototype for local_alloc.
17360 * loop.c (loop_optimize): Make it static.
17361 * cfgloop.h: Remove the prototype for loop_optimize.
17364 2006-01-16 DJ Delorie <dj@redhat.com>
17366 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17369 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17371 * pa.md: Disparage copies between general and floating-point registers
17372 in 32-bit move patterns.
17374 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17377 * Makefile.in (check-%): Depend on site.exp instead of
17378 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17381 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17383 * global.c (global_alloc): Make it static.
17384 * rtl.h: Remove the prototype for global_alloc.
17386 2006-01-16 Richard Guenther <rguenther@suse.de>
17388 * tree-ssa-alias.c (struct used_part): Add write_only field.
17389 (get_or_create_used_part_for): Initialize it to true.
17390 (create_overlap_variables_for): Don't create structure variables
17391 for structures that only are written to.
17392 (find_used_portions): Handle MODIFY_EXPR to track whether a
17393 structure is only written to.
17395 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17397 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17399 * basic-block.h: Remove the prototype for
17400 partition_hot_cold_basic_blocks.
17402 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17404 * cppspec.c (lang_specific_spec_functions): Remove.
17405 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17406 * gcc.h (lang_specific_spec_functions): Remove.
17407 * gccspec.c (lang_specific_spec_functions): Remove.
17409 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17411 * combine.c (record_value_for_reg): Invalidate registers
17413 (record_dead_and_set_regs_1): Likewise, by passing them to
17414 record_value_for_reg.
17415 (record_dead_and_set_regs): Invalidate stores made by a
17416 call. We do not combine across a call, but we still
17417 relied on equivalences.
17419 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17421 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17422 vrp_int_const_binop returning non-constant nodes.
17424 2006-01-16 Paul Brook <paul@codesourcery.com>
17426 * config/m68k/m68k.c (output_move_const_into_data_reg):
17427 Output correct mnemonic for mvz and mvs.
17429 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17431 * rtl-factoring.c: Add sequence abstraction algorithm.
17432 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17433 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17435 (block_has_preserve_label): New function.
17436 * common.opt: Register new pass.
17437 * Makefile.in: Ditto.
17439 * timevar.def: Ditto.
17440 * tree-pass.h: Ditto.
17441 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17442 * rtl.h (make_jump_insn_raw): Add forward decl.
17443 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17445 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17446 Roger Sayle <roger@eyesopen.com>
17448 * fold-const.c (fold_minmax): New static function.
17449 (fold_binary) <MIN_EXPR>: Call it.
17450 <MAX_EXPR>: Likewise.
17451 * stor-layout.c (place_field): Use DECL_SIZE consistently
17452 in the computation of the new record size.
17454 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17456 * cse.c (cse_condition_code_reg): Make it static.
17457 * rtl.h: Remove the prototype for cse_condition_code_reg.
17459 * combine.c (combine_instructions): Make it static.
17460 * rtl.h: Remove the prototype for combine_instructions.
17462 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17465 * tree.c (get_file_function_name_long): Concatenate the first global
17466 object name with a string derived from the input filename of the object
17469 2006-01-16 Ben Elliston <bje@au.ibm.com>
17471 * config/i386/winnt-stubs.c: Update FSF address.
17472 * config/xtensa/ieee754-df.S: Ditto.
17473 * config/xtensa/ieee754-sf.S: Ditto.
17475 2006-01-14 Ian Lance Taylor <ian@airs.com>
17477 * ifcvt.c (noce_init_if_info): New static function, broken out of
17478 noce_process_if_block.
17479 (noce_process_if_block): Call noce_init_if_info.
17480 (check_cond_move_block): New static function.
17481 (cond_move_process_if_block): New static function.
17482 (process_if_block): Call cond_move_process_if_block.
17484 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17486 * cselib.c (hash_table): Rename to cselib_hash_table.
17487 (cselib_clear_table, discard_useless_values,
17488 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17489 cselib_init, cselib_finish): Adjust uses of hash_table.
17491 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17493 PR tree-optimization/25485
17494 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17495 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17496 is known to be false and true, respectively.
17498 2006-01-14 Richard Guenther <rguenther@suse.de>
17500 PR tree-optimization/22548
17501 PR tree-optimization/22555
17502 PR tree-optimization/22501
17503 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17504 * params.def (salias-max-array-elements): New parameter.
17505 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17506 * doc/invoke.texi (salias-max-array-elements): Document.
17507 * tree-flow-inline.h (var_can_have_subvars): We also handle
17509 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17511 * tree-ssa-structalias.c (params.h): Include.
17512 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17513 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17514 (get_constraint_for): For ADDR_EXPR operating on something
17515 containing an ARRAY_REF, add all subvars to the solution.
17516 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17517 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17518 for creating MUST_DEFs.
17519 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17521 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17523 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17525 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17526 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17527 number_of_iterations_le): New functions.
17528 (number_of_iterations_special): Removed.
17529 (number_of_iterations_exit): Do not use number_of_iterations_special.
17530 * tree.c (unsigned_type_for): Always return integer type.
17532 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17533 Richard Guenther <rguenther@suse.de>
17535 PR rtl-optimization/24257
17536 * gcse.c (find_moveable_store): Only consider a store movable
17537 when the SET_SRC of the insn can be assigned to a register.
17539 2006-01-14 Ian Lance Taylor <ian@airs.com>
17541 * tree.c (tree_not_class_check_failed): New function.
17542 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17543 (tree_not_class_check_failed): Declare.
17545 2006-01-13 Ian Lance Taylor <ian@airs.com>
17547 * reload1.c (do_output_reload): Add assertion rejecting a
17550 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17552 * combine.c (struct reg_stat): Add new fields truncation_label and
17554 (record_value_for_reg): Reset truncated_to_mode.
17555 (record_truncated_value): New function.
17556 (check_promoted_subreg): Call it. Rename to check_conversions.
17557 (combine_instructions): Rename check_promoted_subreg to
17559 (reg_truncated_to_mode): New function.
17560 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17561 (gen_lowpart_or_truncate): New function.
17562 (force_to_mode): Use it instead of gen_lowpart.
17564 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17566 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17567 VAR is a tag, not its type tag.
17569 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17571 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17572 alternatives to match style of other entries.
17573 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17575 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17577 PR tree-optimization/25771
17578 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17581 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17584 * tree-inline.c (declare_return_variable): If the return variable
17585 was marked as a non gimple complex, set the return slot variable
17586 to be a non gimple comple variable.
17588 2006-01-13 Richard Guenther <rguenther@suse.de>
17590 * builtins.c (expand_builtin_sincos): New function.
17591 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17593 (expand_builtin): Expand sincos using expand_builtin_sincos.
17595 2006-01-12 DJ Delorie <dj@redhat.com>
17597 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17598 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17599 so that constant shifts can be split.
17600 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17601 (m32c_valid_pointer_mode): Make static.
17602 (shift_gen_func_for): New.
17603 (m32c_prepare_shift): Use it. Split large const shifts into
17605 * config/m32c/predicates.md (shiftcount_operand): Allow more
17607 (longshiftcount_operand): New.
17608 * doc/md.texi (Machine Constraints): Document In6.
17610 2006-01-13 Ben Elliston <bje@au.ibm.com>
17612 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17613 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17616 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17618 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17619 to try to avoid clobbering pieces of structures when we know
17620 something about the whole structure.
17621 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17623 2006-01-13 Ben Elliston <bje@au.ibm.com>
17625 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17626 return in memory, as this is no limitation is no longer present.
17628 2006-01-12 DJ Delorie <dj@redhat.com>
17630 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17631 mova with fb, and for fb+0 -> An.
17633 * config/m32c/mov.md (peephole2): Fix enabling logic.
17635 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17636 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17637 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17638 FINI_ARRAY_SECTION_ASM_OP): Define.
17640 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17642 (m32c_legitimize_reload_address): New logic to reload FB to An.
17643 (m32c_output_reg_push): Add newline.
17644 (m32c_output_reg_pop): Likewise.
17646 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17648 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17650 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17652 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17654 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17656 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17659 2006-01-11 Ben Elliston <bje@au.ibm.com>
17661 * rtlanal.c (find_reg_note): Assert insn is not null.
17663 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17665 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17668 2006-01-11 Jeff Law <law@redhat.com>
17670 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17672 (mark_threaded_blocks, register_jump_thread): New functions.
17673 (thread_through_all_blocks): Remove unwanted argument. No
17674 longer rely on e->aux to communicate thread target info.
17675 Call mark_threaded_blocks. Release the threaded_blocks
17676 bitmap and threaded_edges vector when complete.
17677 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17678 (threaded_blocks): Remove.
17679 (tree_ssa_dominator_optimize): Remove initialization and
17680 finalization of threaded_blocks. Simplify call to
17681 thread_through_all_blocks.
17682 (thread_across_edge): Call register_jump_thread rather than
17683 storing thread information into e->aux.
17684 (free_all_edge_infos): Simplify now that e->aux is no longer
17685 used to communicate with thread_through_all_blocks.
17686 * tree-flow.h (thread_through_all_blocks): Update prototype.
17687 (register_jump_thread): Prototype.
17689 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17691 * df-core.c (df_compact_blocks, df_bb_replace): Use
17692 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17694 2006-01-11 Richard Guenther <rguenther@suse.de>
17696 PR tree-optimization/25734
17697 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17698 stop propagation after successful propagation to the LHS.
17700 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17702 * basic-block.h (control_flow_graph): Change the type of
17703 x_basic_block_info to VEC(basic_block,gc) *.
17704 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17706 (SET_BASIC_BLOCK): New.
17707 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17708 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17709 * cfgbuild.c (find_basic_blocks): Likewise.
17710 * cfglayout.c (fixup_reorder_chain): Likewise.
17711 * cfgrtl.c (create_basic_block_structure,
17712 rtl_create_basic_block): Likewise.
17713 * ifcvt.c (find_if_case_1): Likewise.
17714 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17717 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17719 * Makefile.in: Removed rotted odf.c entry.
17721 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17724 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17725 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17726 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17727 output pattern modifier, not %e.
17728 * config/cris/cris.c (cris_op_str): Update comment about pattern
17730 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17731 before falling through into...
17732 <case 'E'>: Redefined from old 'e' case.
17734 2006-01-11 Jan Hubicka <jh@suse.cz>
17737 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17739 2006-01-11 Jan Hubicka <jh@suse.cz>
17741 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17742 * i386.c (x86_decompose_lea): Kill.
17743 (ix86_rtx_costs): Kill.
17745 2006-01-11 Jan Hubicka <jh@suse.cz>
17747 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17748 * cgraph.h (cgraph_node): Add inline_decl.
17749 (cgraph_insert_node_to_hashtable): Declare.
17750 (save_inline_function_body): Declare.
17751 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17753 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17754 (cgraph_function_versioning): Update call of tree_function_versioning.
17755 (save_inline_function_body): New function.
17756 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17757 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17758 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17759 (cgraph_default_inline_p): Likewise.
17760 (cgraph_decide_inlining_incrementally): Likewise.
17761 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17762 (copy_bb): Kill saving; do updating of clones.
17763 (copy_cfg_body): Kill saving.
17764 (initialize_inlined-parameters): Likewise.
17765 (expand_call_inline): Likewise.
17767 (tree_function_versioning): New parameter "update_clones".
17768 (inlining_p): Kill saving.
17769 * tree-inline.h (tree_function_versioning): Update prototype.
17770 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17773 2006-01-11 Ian Lance Taylor <ian@airs.com>
17775 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17776 Allow undoing set of machine mode.
17777 (do_SUBST): Use enums instead of is_int.
17778 (do_SUBST_MODE): New function.
17779 (SUBST_MODE): New macro.
17780 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17781 reg and trying to replace reg_regno_rtx with a new register.
17782 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17783 (simplify_set): Use SUBST_MODE.
17784 (distribute_notes): Remove code that tried to update reg notes
17785 for regno_reg_rtx changes.
17787 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17789 PR tree-optimization/23109
17790 PR tree-optimization/23948
17791 PR tree-optimization/24123
17793 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17794 * tree-cfg.c (single_noncomplex_succ): New.
17795 * tree-flow.h (single_noncomplex_succ): Declare it.
17796 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17797 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17798 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17799 insert_bb, register_division_in, insert_reciprocals,
17800 replace_reciprocal, free_bb): New.
17801 (execute_cse_reciprocals_1): Rewritten.
17802 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17803 Do not commit any edge insertion. Always compute dominators and
17804 create the allocation pool.
17805 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17806 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17807 * targhooks.c (default_min_divistions_for_recip_mul): New.
17808 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17809 * passes.c (init_optimization_passes): Run recip after tree loop
17811 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17813 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17814 Kenneth Zadeck <zadeck@naturalbridge.com>
17816 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17817 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17818 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17819 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17820 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17821 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17822 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17823 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17824 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17825 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17826 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17827 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17828 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17829 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17830 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17831 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17832 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17833 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17834 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17835 DF_SCAN_POST_ALLOC): New macros.
17836 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17837 df_free_bb_function, df_local_compute_function, df_init_function,
17838 df_dataflow_function, df_confluence_function_0,
17839 df_confluence_function_n, df_transfer_function,
17840 df_finalizer_function, df_free_function, df_dump_problem_function,
17841 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17842 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17843 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17844 df_urec_bb_info, ) New types.
17845 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17847 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17848 df_analyze_simple_change_some_blocks,
17849 df_analyze_simple_change_one_block, df_compact_blocks,
17850 df_bb_replace, df_bb_regno_last_use_find,
17851 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17852 df_insn_regno_def_p, df_find_def, df_find_use,
17853 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17854 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17855 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17856 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17857 debug_df_chain, df_get_dependent_problem, df_chain_create,
17858 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17859 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17860 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17861 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17862 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17863 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17864 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17865 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17866 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17867 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17868 df_reorganize_refs, df_set_state, df_hard_reg_init,
17869 df_read_modify_subreg_p) New public functions.
17870 * df-core.c: The core dataflow solver and glue routines for rtl
17872 (df_init, df_add_problem, df_set_blocks, df_finish,
17873 df_hybrid_search_forward, df_hybrid_search_backward,
17874 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17875 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17876 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17877 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17878 df_reg_defined, df_find_use, df_reg_used, df_dump,
17879 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17880 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17881 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17882 debug_df_useno, reset_df_after_reload): New functions.
17883 * df-scan.c: The scanning fuctions, once in df.c, completely
17884 rewritten so that they now fully model the functionality of
17885 register usage at the backend.
17886 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17887 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17888 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17889 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17890 df_get_artificial_defs, df_get_artificial_uses,
17891 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17892 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17893 df_refs_delete, df_reorganize_refs, df_set_state,
17894 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17895 df_def_record_1, df_defs_record, df_uses_record,
17896 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17897 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17898 df_record_exit_block_uses, df_hard_reg_init): New functions.
17900 * df-problems.c: Seven concrete dataflow problems that use the
17901 scanning in df-scan.c and are solved by the engine in df-core.c.
17902 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17903 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17904 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17905 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17906 df_ru_free_bb_info, df_ru_alloc,
17907 df_ru_bb_local_compute_process_def,
17908 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17909 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17910 df_ru_transfer_function, df_ru_free, df_ru_dump,
17911 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17912 df_rd_free_bb_info, df_rd_alloc,
17913 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17914 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17915 df_rd_transfer_function, df_rd_free, df_rd_dump,
17916 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17917 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17918 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17919 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17920 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17921 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17922 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17923 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17924 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17925 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17926 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17927 df_urec_mark_reg_use_for_earlyclobber,
17928 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17929 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17930 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17931 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17932 df_chain_create_bb_process_use, df_chain_create_bb,
17933 df_chain_finalize, df_chain_free, df_chains_dump,
17934 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17935 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17936 df_reg_lifetime): New functions.
17937 * df.c: Deleted file.
17938 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17939 consistent with new df api.
17940 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17941 rest_of_handle_sms): Ditto.
17942 * web.c (unionfind_union, union_defs, entry_register, web_main):
17944 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17945 invariant_expr_equal_p, find_defs, check_dependencies,
17946 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17947 free_inv_motion_data, move_loop_invariants): Ditto.
17948 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17949 Update dependencies.
17950 (odf.c): Added defective entry that was deleted later in day.
17951 * sched-deps.c (sched_analyze_1): Ditto.
17953 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17955 * tree-ssa-operands.c (get_expr_operands): Record addressable
17956 variables directly. Do not call add_stmt_operands for CONST_DECLs
17958 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17959 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17961 2006-01-11 Ben Elliston <bje@au.ibm.com>
17963 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17964 function returns true in the positive case.
17966 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17969 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17970 for SI, DI, SF and DF modes. Add alternatives to copy between
17971 general and floating point registers to the 32-bit patterns.
17972 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17973 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17974 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17975 generating 64-bit code.
17976 * config/pa/pa.c (output_move_double): Handle copies between general
17977 and floating registers.
17979 2006-01-10 Stuart Hastings <stuart@apple.com>
17981 * config/i386/i386.md (set_got): Update.
17982 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17983 (builtin_setjmp_receiver): Mach-O support.
17984 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17985 (GOT_SYMBOL_NAME): Define.
17986 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17987 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17988 * config/i386/i386.c (override_options): Revise for Darwin.
17989 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17990 support. (darwin_x86_file_end): New. (output_set_got): Add label
17991 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17992 * config/i386/i386-protos.h (output_set_got): Likewise.
17993 * config/darwin.c (machopic_legitimize_pic_address): Update
17996 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17998 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17999 when MODE isn't BLKmode.
18001 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18003 PR rtl-optimization/25367
18004 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18006 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18009 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18010 for a negative bound.
18012 2006-01-10 Richard Guenther <rguenther@suse.de>
18014 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18015 Never override with anything constraint.
18017 2006-01-10 Jan Beulich <jbeulich@novell.com>
18019 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18020 256 bits when optimize_size.
18022 2006-01-10 Jan Beulich <jbeulich@novell.com>
18024 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18026 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18027 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18030 2006-01-10 Ben Elliston <bje@au.ibm.com>
18032 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18034 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18035 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18036 (USE_FP_FOR_ARG): Reject decimal float modes.
18037 (function_arg_advance): Likewise.
18038 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18039 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18040 point types in AltiVec vectors.
18041 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18042 (rs6000_libcall_value): Likewise.
18044 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18046 * config/xtensa/ieee754-df.S: New file.
18047 * config/xtensa/ieee754-sf.S: New file.
18048 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18049 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18050 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18052 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18054 * config/sh/predicates.md (binary_float_operator,
18055 binary_logical_operator, commutative_float_operator,
18056 equality_comparison_operator, greater_comparison_operator,
18057 less_comparison_operator, logical_operator,
18058 noncommutative_float_operator, shift_operator,
18059 symbol_ref_operand, unary_float_operator): Remove redundant
18062 2006-01-09 Jeff Law <law@redhat.com>
18064 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18065 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18066 now unused arguments. Callers updated.
18067 (eliminate_redundant_computations): Remove now unused arguments,
18069 (local_fold): Remove, no longer used.
18070 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18072 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18073 (simplify_cond): New function.
18074 (forward_propagate_into_cond): Call simplify_cond.
18076 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18078 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18079 (*vec_extractv2di_1_sse): New.
18081 2006-01-09 Ben Elliston <bje@au.ibm.com>
18083 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18085 2006-01-08 Richard Guenther <rguenther@suse.de>
18087 * tree-ssa-structalias.c (get_constraint_for): Remove
18088 anyoffset argument.
18089 (get_constraint_for_component_ref): Likewise.
18090 (do_deref): Likewise.
18091 (get_constraint_for): Likewise.
18092 (do_structure_copy): Likewise.
18093 (handle_ptr_arith): Likewise.
18094 (find_func_aliases): Likewise. Remove unused need_anyoffset
18097 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18098 Kaz Kojima <kkojima@gcc.gnu.org>
18100 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18101 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18102 (EXTRA_CONSTRAINT_C16): Remove.
18103 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18104 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18105 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18106 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18107 constants of SHmedia. Handle nested constant expressions of
18109 (andcosts): Fix the costs for SHmedia constants.
18110 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18111 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18112 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18113 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18114 (movv4hi_i, movv2si_i): Likewise.
18115 (movsi_const): Adjust the second operand of ior so to match with
18116 the Csu constraint.
18117 (movdi_const, movdi_const_32bit): Likewise.
18118 (movdi_const_16bit+1): Don't sign-extend LOW.
18119 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18121 (*double_shori): Fix the split condition. Use GEN_INT instead
18122 of get_int_mode calls. Mask lower 16-bit of the argument of
18124 (sym2GOTPLT): Remove.
18125 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18127 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18128 instead of EXTRA_CONSTRAINT_C16.
18130 2006-01-07 Ian Lance Taylor <ian@airs.com>
18131 David Edelsohn <edelsohn@gnu.org>
18133 PR rtl-optimization/25662
18134 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18135 for constant operands instead of simplify_gen_binary.
18136 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18137 after trying simplify_binary_operation
18139 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18141 * tree.c (iterative_hash_expr): Hash decls based on UID.
18143 2006-01-06 Eric Christopher <echristo@apple.com>
18145 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18146 (TARGET_UNWIND_EMIT): Fix spelling.
18147 * target.h (gcc_target): Add except_table_label.
18148 * except.c (output_function_exception_table): Use.
18149 * varasm.c (default_emit_except_table_label): New.
18150 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18152 (asm_out): Add here.
18153 * output.h (default_emit_except_table_label): Prototype.
18154 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18155 * config/darwin.c (darwin_emit_except_table_label): Define.
18156 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18158 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18160 PR tree-optimization/18527
18161 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18162 number_of_iterations_special, number_of_iterations_exit):
18163 Move base and step of an iv to a single structure. Add
18164 no_overflow flag, and use it in # of iterations analysis.
18165 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18166 folded_casts argument.
18167 (simple_iv): Pass base and step in a structure. Set no_overflow
18169 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18170 Evaluate expensiveness of computing # of iterations instead of
18171 the final expression.
18172 * tree-scalar-evolution.h (affine_iv): New structure.
18173 (simple_iv): Declaration changed.
18174 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18175 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18176 find_givs_in_stmt): Changed due to simple_iv change.
18178 2006-01-06 Jeff Law <law@redhat.com>
18181 * tree-cfg.c (bsi_replace): Rename final argument from
18182 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18183 change (stmt -> orig_stmt).
18184 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18185 (bsi_remove): Add new argument. Remove EH information
18187 (verify_eh_throw_table_statements): New function.
18188 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18190 * tree-optimize.c (execute_free_cfg_annotations): Verify
18191 the EH throw statement table after removing annotations.
18192 * except.h (verify_eh_throw_table_statements): Prototype.
18193 * tree-flow.h (bsi_remove): Update prototype.
18194 * tree-vrp.c (remove_range_assertions): Add new argument to
18196 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18197 * tree-complex.c (expand_complex_div_wide): Likewise.
18198 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18199 * tree-tailcall.c (eliminate_tailcall): Likewise.
18200 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18201 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18202 * tree-nrv.c (tree_nrv): Likewise.
18203 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18204 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18205 (combine_blocks): Likewise.
18206 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18207 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18208 (cleanup_control_flow): Likewise.
18209 (remove_forwarder_block): Likewise.
18210 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18211 * tree-sra.c (sra_replace): Likewise.
18212 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18213 (forward_propagate_single_use_vars): Likewise.
18214 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18215 * tree-inline.c (expand_call_inline): Likewise.
18216 * tree-vect-transform.c (vect_transform_loop): Likewise.
18217 * tree-outof-ssa.c (rewrite_trees): Likewise.
18218 * tree-cfg.c (make_goto_expr_edges): Likewise.
18219 (cleanup_dead_labels): Likewise.
18220 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18221 (bsi_move_before, bsi_move_after): Likewise.
18222 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18223 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18225 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18228 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18230 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18231 on non gimple variables. Also add checks at the top for decls and
18233 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18235 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18236 and IMAGPART_EXPR for creating MUST_DEFs.
18237 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18238 and NAME_MEMORY_TAG separately from the DECLs.
18240 2006-01-06 Richard Guenther <rguenther@suse.de>
18242 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18243 annotation, if necessary.
18244 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18245 redundant calls to update_stmt.
18246 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18249 2006-01-05 Richard Henderson <rth@redhat.com>
18251 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18253 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18255 * c-typeck.c: Update copyright date.
18257 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18259 * c-typeck.c (build_c_cast): Always warn when casting
18260 from a pointer to an integer of different size, even if
18261 the node was constant.
18263 2006-01-05 Richard Guenther <rguenther@suse.de>
18265 PR tree-optimization/22555
18266 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18267 if one structure field is an array.
18268 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18269 operands even if we found a subvar, but ignore VOPs in this
18271 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18273 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18275 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18277 PR middle-end/24998
18278 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18280 2006-01-05 Richard Guenther <rguenther@suse.de>
18281 Diego Novillo <dnovillo@redhat.com>
18283 * tree-pass.h (TODO_remove_unused_locals): Define.
18284 * gimple-low.c (expand_var_p, remove_useless_vars,
18285 pass_remove_useless_vars): Remove. Update all users.
18286 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18287 (remove_unused_locals): New function.
18288 * tree-flow.h (remove_unused_locals): Declare.
18289 * passes.c (execute_todo): Call remove_unused_locals if
18290 TODO_remove_unused_locals is set.
18291 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18292 * tree-ssa-dce.c (pass_dce): Likewise.
18293 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18295 2006-01-05 Richard Guenther <rguenther@suse.de>
18297 * tree-flow.h (struct fieldoff): Decompose field to
18298 type, size and decl.
18299 * tree-ssa-alias.c (create_sft): Take type as parameter.
18300 (create_overlap_variables_for): Store type, size and decl
18301 in the fieldoff structure.
18302 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18303 of struct fieldoff.
18304 (push_fields_onto_fieldstack): Likewise.
18305 (create_variable_info_for): Likewise. Use offset for the
18306 SFT name if the decl is not available.
18308 2006-01-04 Paul Brook <paul@codesourcery.com>
18310 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18312 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18314 * lambda-code.c (can_put_in_inner_loop): Relax
18316 (can_put_after_inner_loop): New function.
18317 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18318 (perfect_nestify): Change to make copies and modify uses.
18320 2006-01-04 Richard Henderson <rth@redhat.com>
18322 Merge from gomp branch:
18323 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18324 via integer constant.
18325 (pragma_lex): Remove.
18326 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18327 rather than parsing it.
18328 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18329 handle_pragma_extern_prefix): Add %< %> quotes.
18330 (registered_pragmas): New.
18331 (c_register_pragma_1): New.
18332 (c_register_pragma): Use it.
18333 (c_register_pragma_with_expansion): Likewise.
18334 (c_invoke_pragma_handler): New.
18335 (init_pragma): Use cpp_register_deferred_pragma directly for
18337 * c-pragma.h (enum pragma_kind): New.
18338 (pragma_handler): New.
18339 (c_invoke_pragma_handler): Declare.
18340 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18342 * c-common.h (c_common_pch_pragma): Update decl.
18343 * Makefile.in (c-parser.o): Update dependencies.
18344 (GTFILES): Add c-pragma.h.
18345 * c-parser.c (struct c_token): Add pragma_kind.
18346 (struct c_parser): Add in_pragma.
18347 (c_lex_one_token): Always initialize keyword and pragma_kind.
18348 Extract data for CPP_PRAGMA.
18349 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18350 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18351 Don't allow CPP_PRAGMA_EOL if in_pragma.
18352 (c_parser_consume_pragma): New.
18353 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18354 (c_parser_skip_to_end_of_parameter): Likewise.
18355 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18356 (c_parser_skip_to_pragma_eol): New.
18357 (c_parser_external_declaration): Handle CPP_PRAGMA.
18358 (c_parser_compound_statement_nostart): Likewise.
18359 (c_parser_statement_after_labels): Likewise.
18360 (c_parser_pragma): New.
18361 (pragma_lex): Likewise.
18362 (c_parser_pragma_pch_preprocess): New.
18363 (c_parser_new): Merge into ...
18364 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18366 2006-01-04 Jeff Law <law@redhat.com>
18369 * tree-cfg.c (bsi_replace): Remove the original statement
18370 from the EH throw statement table.
18372 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18374 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18375 make the prototype extern "C" and add throw ().
18378 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18379 and pos non-negative and pos + len <= 32.
18380 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18381 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18382 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18385 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18386 as well as sizes not multiple of component size.
18389 * function.c (instantiate_expr): New function.
18390 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18391 walk its DECL_VALUE_EXPR with instantiate_expr.
18393 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18394 DW_OP_deref{,_size} if address isn't going to be added.
18396 2006-01-04 Ben Elliston <bje@au.ibm.com>
18398 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18399 * config/fp-bit.c: Likewise.
18401 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18403 * dominance.c: Add comment about why we use DFS numbering
18406 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18407 Richard Henderson <rth@redhat.com>
18409 Merge from gomp-branch:
18410 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18411 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18413 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18415 PR rtl-optimization/25578
18416 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18417 pass a parameter to simplify_shift_const if changing ASHIFTRT
18420 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18422 * builtins.c (get_builtin_sync_mem): New function.
18423 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18424 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18425 Call get_builtin_sync_mem to generate mem rtx.
18427 2006-01-03 Richard Guenther <rguenther@suse.de>
18430 * stmt.c (add_case_node): Make sure to clear overflow flags
18433 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18435 Merge from gomp-branch.
18436 * config/sparc/sync.md: New file.
18437 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18438 UNSPECV_LDSTUB): New constants.
18439 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18440 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18441 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18444 2006-01-03 Roger Sayle <roger@eyesopen.com>
18446 * combine.c (reg_subword_p): New predicate to test whether the
18447 destination of a set refers to a subword/piece of a register.
18448 (try_combine): Generalize the code to merge the setting of a
18449 pseudo to a constant followed by a set of a subword of that
18450 register to a constant.
18452 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18454 * basic-block.h (control_flow_graph): Change the type of
18455 x_label_to_block_map to VEC(basic_block,gc) *.
18456 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18457 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18459 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18460 VEC(basic_block,heap) *.
18461 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18462 ssa_prop_fini): Adjust the uses of cfg_blocks.
18464 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18466 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18468 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18469 hashing trees instead of a pointer hash.
18470 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18471 compare for MEM_EXPR.
18473 PR rtl-optimization/25130
18474 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18475 when comparing MEMs for GCSE
18477 2006-01-03 Ben Elliston <bje@au.ibm.com>
18479 * targhooks.h (default_decimal_float_supported_p): Declare.
18480 * targhooks.c (default_decimal_float_supported_p): Define.
18481 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18482 `default_decimal_float_supported_p'.
18483 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18485 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18487 * combine.c (apply_distributive_law <SUBREG>): Check
18488 TRULY_NOOP_TRUNCATION.
18490 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18492 * dwarf2out.c (have_switched_text_section): Delete.
18493 (have_multiple_function_sections): New.
18494 (have_location_lists): Make 'bool'.
18495 (add_AT_loc_list): Use 'true' not '1'.
18496 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18497 (output_loc_list): Use have_multiple_function_sections.
18498 (output_ranges): Likewise.
18499 (dwarf2out_begin_function): Set have_multiple_function_sections if
18501 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18502 Check function_section rather than DECL_SECTION_NAME.
18503 (dwarf2out_finish): Use have_multiple_function_sections.
18504 Don't clear have_location_lists.
18506 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18507 Jan Hubicka <jh@suse.cz>
18509 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18510 case of conditional jump jumping to the next instruction.
18511 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18512 cases of conditional jump jumping to the next instruction.
18514 2006-01-02 Jan Hubicka <jh@suse.cz>
18516 * i386.c (*_cost): Add COSTS_N_INSNS.
18517 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18519 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18522 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18524 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18526 * config/arm/arm.c (all_fpus): Fix comment typo.
18527 * config/darwin.c: Likewise.
18528 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18529 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18530 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18532 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18534 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18535 (rs6000_split_compare_and_swapqhi): New.
18536 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18537 (sync_compare_and_swapqhi_internal): New.
18538 * config/rs6000/rs6000-protos.h: Declare.