1 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4 * gimplify.c (fold_indirect_ref_rhs): Use
5 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
7 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
9 * expmed.c (emit_store_flag_1): New function.
10 (emit_store_flag): Call it. If we can't find a suitable scc insn,
12 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
13 Use do_compare_rtx_and_jump.
14 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
15 * arm.md (cstoresi4): New define_expand.
16 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
17 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
18 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
20 2006-11-14 Caroline Tice <ctice@apple.com>
22 * dwarf2out.c (debug_pubtypes_section): New static global variable.
23 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
25 (pubname_table): Redefine as a vector.
26 (pubtype_table): New static global variable, defined as a vector.
27 (pubname_table_allocated): Remove static global variable.
28 (pubname_table_in_use): Remove static global variable.
29 (PUBNAME_TABLE_INCREMENT): Remove constant.
30 (size_of_pubnames): Add parameter to deal with either pubnames or
31 pubtypes, and change code to deal with table being a vector.
32 (add_pubname): Change to deal with table being a vector.
33 (add_pubtype): New function.
34 (output_pubnames): Add parameter to deal with either pubnames or
35 pubtypes, and change code to deal with table being a vector.
36 (gen_array_type_die): Add call to add_pubtype.
37 (gen_enumeration_type_die): Add call to add_pubtype.
38 (gen_struct_or_union_type_die): Add call to add_pubtype.
39 (gen_subroutine_type_die): Add call to add_pubtype.
40 (gen_typedef_die): Add call to add_pubtype.
41 (dwarf2out_init): Add code to initialize pubname_table and
42 pubtype_table vectors; also initialize debug_pubtypes_section.
43 (prune_unused_types): Change to deal with pubnames being a vector.
44 (dwarf2out_finish): Change to deal with pubnames being a vector; add
45 pubnames table to call to output_pubnames; Add code to output pubtypes
46 table if DEBUG_PUBTYPES_SECTION is defined.
47 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
49 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
51 2006-11-14 Joseph Myers <joseph@codesourcery.com>
53 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
54 iwmmxt_nregs if TARGET_IWMMXT_ABI.
55 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
56 movv2si_internal): Support moves between core registers.
58 2006-11-14 Eric Christopher <echristo@apple.com>
60 * configure: Regenerate with autoconf 2.59.
62 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
64 Fix PR tree-optimization/27755
66 * tree-ssa-pre.c: Update comments.
67 (bb_bitmap_sets): Add pa_in and deferred member.
68 (BB_DEFERRED): New macro.
69 (maximal_set): New variable.
70 (pre_stats): Add pa_insert member.
71 (bitmap_set_and): Short circuit orig == dest.
72 (bitmap_set_subtract_values): New function.
73 (bitmap_set_contains_expr): Ditto.
74 (translate_vuses_through_block): Add phiblock argument.
75 (dependent_clean): New function.
76 (compute_antic_aux): Update for maximal_set changes.
77 (compute_partial_antic_aux): New function.
78 (compute_antic): Handle partial anticipation.
79 (do_partial_partial_insertion): New function.
80 (insert_aux): Handle partial anticipation.
81 (add_to_sets): Add to maximal set.
82 (compute_avail): Ditto.
83 (init_pre): Initialize maximal_set.
84 (execute_pre): Do partial anticipation if -O3+.
86 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
88 PR rtl-optimization/29798
90 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
91 TARGET_INSN before any other check.
92 (fwprop_init): Always calculate dominators.
93 (fwprop_done): Always free them.
95 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
97 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
100 2006-11-13 DJ Delorie <dj@redhat.com>
102 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
103 temporary for intermediates.
105 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
107 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
108 (sh_optimize_target_register_callee_saved): #if 0 the code
109 using NOTE_INSN_LOOP_{BEG,END}.
111 2006-11-13 Roger Sayle <roger@eyesopen.com>
113 * fold-const.c (optimize_bit_field_compare): Recursively call
114 fold when simplifying non-constant comparisons between bit-fields.
116 2006-11-13 Jakub Jelinek <jakub@redhat.com>
118 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
120 * configure: Rebuilt.
122 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
124 * config/rs6000/cell.md: New file.
125 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
127 (ppccell_cost): New cost matrix.
128 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
129 (rs6000_override_options): Set rs6000_always_hint to false
130 for cell. Also align functions/lables/loops to 8byte
131 for the Cell. Use PROCESSOR_CELL.
132 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
134 (rs6000_variable_issue): If the insn is a nonpipelined instruction
135 on the Cell, return 0.
136 (rs6000_adjust_cost): Add Cell cost adjustments.
137 (is_microcoded_insn): Return true for Cell microcoded
139 (is_nonpipeline_insn): New function.
140 (rs6000_issue_rate): Add PROCESSOR_CELL.
141 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
143 (rs6000_use_sched_lookahead_guard): New function.
144 (rs6000_sched_reorder): Reorder the ready list, if the second
145 to last ready insn is a nonepipeline insn on the Cell.
146 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
147 (ASM_CPU_SPEC): Add Cell.
148 * config/rs6000/rs6000.md (cpu): Add Cell.
149 (cell_micro): New Attr.
152 2006-11-13 Jakub Jelinek <jakub@redhat.com>
154 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
156 * configure: Rebuilt.
158 2006-11-13 Richard Guenther <rguenther@suse.de>
160 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
162 (ix86_expand_lfloorceil): Likewise.
163 (ix86_expand_rint): Likewise.
164 (ix86_expand_floorceildf_32): Likewise.
165 (ix86_expand_floorceil): Likewise.
166 (ix86_expand_rounddf_32): Likewise.
167 (ix86_expand_truncdf_32): Likewise.
168 (ix86_expand_round): Likewise.
170 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
171 Mark Mitchell <mark@codesourcery.com>
173 * gcc.c: Organize search path variables into $prefix relative,
174 and well-known native. Add comments.
175 (add_sysrooted_prefix): Add comment.
176 (process_command): If !gcc_exec_prefix add $prefix based paths.
177 If *cross_compile == '0', add native well-known paths.
178 Assert tooldir_base_prefix is always relative.
179 (main): If print_search_dirs, and if gcc_exec_prefix is set,
180 use this value for 'install:' path.
181 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
183 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
185 * config/i386/i386.c: Fix a typo in comment.
187 2006-11-13 Michael Matz <matz@suse.de>
189 * genemit.c (gen_expand): Allocate enough memory.
191 2006-11-13 Joseph Myers <joseph@codesourcery.com>
193 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
194 __GXX_TYPEINFO_EQUALITY_INLINE but not
195 __GXX_MERGED_TYPEINFO_NAMES.
196 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
197 __GXX_MERGED_TYPEINFO_NAMES.
198 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
199 __GXX_TYPEINFO_EQUALITY_INLINE.
201 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
202 Zdenek Dvorak <dvorakz@suse.cz>
204 PR tree-optimization/29680
205 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
208 2006-11-12 Jason Merrill <jason@redhat.com>
209 Andrew Pinski <pinskia@physics.uc.edu>
212 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
214 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
216 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
217 * tree.c (build_vector): Handle non-_CST elements.
219 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
221 * genemit.c (gen_insn): Call gen_exp with a non-null used
222 when handling multiple insns.
223 (gen_expand): Likewise.
224 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
225 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
226 (movsi_const_16bit+1): Copy operands[1].
227 (call_pcrel): Copy the call_site pattern.
228 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
230 2006-11-12 Roger Sayle <roger@eyesopen.com>
232 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
233 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
234 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
235 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
237 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
239 Fix PR tree-optimization/29587
240 * tree-ssa-structalias.c (process_constraint): Don't
241 mark address taken due only to escaped vars constraint.
243 2006-11-12 Michael Matz <matz@suse.de>
244 Roger Sayle <roger@eyesopen.com>
246 PR rtl-optimization/29797
247 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
248 BITS_BIG_ENDIAN targets.
250 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * builtins.c (fold_builtin_cosh): New.
253 (fold_builtin_1): Use it.
254 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
255 trunc to the list of "odd" functions. Also add llrint, lrint,
256 rint and nearbyint when flag_rounding_math is false.
258 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
260 * tree-flow.h (name_mappings_registered_p): Declare.
261 * tree-into-ssa.c (name_mappings_registered_p): New function.
262 * tree-cfg.c (tree_can_merge_blocks_p): Check
263 name_mappings_registered_p instead of need_ssa_update_p.
265 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
267 * tree-ssa-loop.c (tree_vectorize): Return the result of
269 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
271 * tree-vectorizer.h (vectorize_loops): Declaration removed.
272 * tree-flow.h (vectorize_loops): Declaration changed.
274 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
276 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
278 (issue_prefetch_ref): Move assignment to write_p out of loop.
279 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
280 SIMULTANEOUS_PREFETCHES into account.
281 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
282 * lambda-code.c (lcm): Renamed to ...
283 (least_common_multiple): ... and exported.
284 * tree-flow.h (least_common_multiple): Declare.
286 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
288 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
289 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
290 ud-chains. Handle AND_EXPR.
291 (record_estimate): Record whether the estimate is realistic
292 and whether it is derived from a loop exit.
293 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
294 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
296 (compute_estimated_nb_iterations): Take only realistic bounds into
297 account. Set estimate_state. Use double_ints.
298 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
299 and infer_loop_bounds_from_signedness. Do not consider basic blocks
300 that do not have to be always executed.
301 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
302 to determine whether to call infer_loop_bounds_from_undefined
303 and compute_estimated_nb_iterations.
304 (n_of_executions_at_most): Use double_ints.
305 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
306 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
307 * double-int.c (double_int_to_tree): Improve comment.
308 (double_int_fits_to_tree_p): New function.
309 * double-int.h (double_int_fits_to_tree_p): Declare.
310 * tree-data-ref.c: Include langhooks.h.
311 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
312 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
313 (analyze_array): Do not pass estimate_only argument to
314 analyze_array_indexes.
315 (get_number_of_iters_for_loop): Build tree from the stored double_int
317 (get_references_in_stmt, find_data_references_in_stmt): New functions.
318 (find_data_references_in_loop): Use find_data_references_in_stmt.
319 * tree-data-ref.h (struct data_ref_loc_d): New.
320 (get_references_in_stmt): Declare.
321 (estimate_iters_using_array): Declaration removed.
322 * cfgloop.h (struct nb_iter_bound): Change type of bound to
323 double_int. Improve comments. Add is_exit and realistic
325 (struct loop): Changed type of estimated_nb_iterations to double_int.
326 Added estimate_state field.
327 (record_estimate): Declaration removed.
329 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
331 * params.c (set_param_value): Initialize the "set" field.
332 * params.h (struct param_info): Add "set" field.
333 (PARAM_SET_P): New macro.
334 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
335 L1_CACHE_LINE_SIZE): New macros.
336 * toplev.c (DEFPARAM): Initialize the "set" field.
337 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
338 SIMULTANEOUS_PREFETCHES): Removed.
339 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
340 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
341 * config/sparc/sparc.c: Include params.h.
342 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
343 L1_CACHE_LINE_SIZE parameters.
344 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
346 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
348 * config/i386/i386.c: Include params.h.
349 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
350 (override_options): Set SIMULTANEOUS_PREFETCHES and
351 L1_CACHE_LINE_SIZE parameters.
352 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
353 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
354 L1_CACHE_LINE_SIZE parameters.
355 * config/ia64/ia64.c (ia64_optimization_options): Set
356 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
357 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
359 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
360 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
361 * doc/invoke.texi: Document new params.
363 2006-11-12 Roger Sayle <roger@eyesopen.com>
365 PR tree-optimization/13827
366 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
369 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
371 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
372 update_single_exit_for_duplicated_loops): New functions.
373 (duplicate_loop_to_header_edge): Use
374 update_single_exit_for_duplicated_loops.
375 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
376 functions only with ENABLE_CHECKING.
378 2006-11-12 Andreas Schwab <schwab@suse.de>
380 * except.c (sjlj_emit_function_enter): Remove unused variable.
382 2006-11-11 Roger Sayle <roger@eyesopen.com>
384 * fold-const.c (int_binop_types_match_p): New function.
385 (size_binop): Relax constraint that both arguments must both have
386 exactly the same sizetype type. Instead use int_binop_types_match_p.
387 (size_diffop): Likewise.
389 (make_range): Use build_int_cst instead of fold_convert.
390 (fold_cond_expr_with_comparison): Use build_int_cst to construct
391 integer constants of the correct type.
392 (fold_div_compare): Likewise.
393 (fold_single_bit_test): Likewise.
394 (fold_binary): Likewise.
395 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
396 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
398 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
401 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
402 non null value if the struct memory access is in the 0th
405 2006-11-12 Jie Zhang <jie.zhang@analog.com>
408 2006-11-11 Jie Zhang <jie.zhang@analog.com>
409 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
412 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
413 instead of builtin_define for bfin and BFIN.
415 2006-11-11 Jie Zhang <jie.zhang@analog.com>
417 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
420 2006-11-11 Jan Hubicka <jh@suse.cz>
422 * extended.texi (__builtin_expect): We no longer require second argument
424 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
425 * builtins.c (expand_builtin_expect): Simplify.
426 (expand_builtin_expect_jump): Kill.
427 * final.c (final_scan_insn): Do not skip the removed notes.
428 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
429 EXPECTED_VALUE): Remove.
430 * dojump.c (do_jump): Do not care about __builtin_expect.
431 * predict.c (expected_value_to_br_prob): Kill.
432 * function.c (expand_function_end): Do not expand
433 NOTE_INSN_REPEATED_LINE_NUMBER.
434 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
435 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
436 * cfgexpand.c (add_reg_br_prob_note): Export.
437 * cfgcleanup.c (rest_of_handle_jump2): Do not call
438 expected_value_to_br_prob.
439 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
440 * rtl.h (add_reg_br_prob_note): Declare.
442 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
446 2006-11-11 Jan Hubicka <jh@suse.cz>
448 * predict.c (predict_loops): Kill RTL variant.
450 2006-11-11 Jan Hubicka <jh@suse.cz>
452 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
453 * modulo-sched.c (find_line_note): Remove.
454 (loop_canon_p): Do not worry about line number notes.
455 (sms_schedule): Likewise.
456 * cse.c (cse_main): Likewise.
457 * regmove.c (fixup_match_1): Likewise
458 * function.c (emit_return_info_block): Likewise.
459 (expand_function_end): Likewise.
460 (thread_prologue_an_epilogue_insns): Likewise.
461 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
463 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
464 emit_note_copy_after): Kill.
465 (emit_note_copy): Do not worry about line numbers.
466 * jump.c (purge_line_number_notes): Kill.
467 (pass_purge_lineno_notes): Kill.
468 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
470 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
471 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
472 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
473 * tree-pass.h (pass_purge_lineno_notes): Kill.
474 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
475 rm_redundant_line_notes.
476 * sched-rgb.c (schedule_region): Don't rm_line_notes,
477 rm_redundant_line_notes.
478 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
479 * haifa-sched.c: Update comment about handling notes.
480 (unlink_line_notes): Kill.
481 (rm_line_notes): Kill.
482 (save_line_notes): Simplify.
483 (rm_redundant_line_notes): Kill.
485 2006-11-11 Richard Guenther <rguenther@suse.de>
487 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
488 Remove unused tree codes.
489 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
490 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
491 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
492 * tree.c (stabilize_reference): Likewise.
493 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
494 fold_unary): Likewise.
495 * tree-gimple.c (is_gimple_cast): Likewise.
496 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
497 * expr.c (expand_expr_real_1): Likewise.
498 * tree-eh.c (tree_could_trap_p): Likewise.
499 * gimplify.c (gimplify_expr): Likewise.
500 * tree-inline.c (estimate_num_insns_1): Likewise.
501 * tree-cfg.c (verify_expr): Likewise.
503 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
505 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
506 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
507 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
509 2006-11-11 Richard Sandiford <richard@codesourcery.com>
512 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
513 constraints accept neither registers or memories.
515 2006-11-11 Jie Zhang <jie.zhang@analog.com>
517 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
518 (NO_PROFILE_COUNTERS): Define as 1.
520 2006-11-10 Roger Sayle <roger@eyesopen.com>
522 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
523 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
525 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
527 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
529 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
532 (fold_builtin_hypot): Likewise.
533 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
535 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
537 2006-11-10 Roger Sayle <roger@eyesopen.com>
539 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
540 when attempting to build INTEGER_CSTs of non-integral types.
541 * expmed.c (make_tree): Use the correct type, i.e. the inner
542 type, when constructing the individual elements of a CONST_VECTOR.
544 2006-11-10 Jan Hubicka <jh@suse.cz>
546 * cse.c (cse_process_notes): Copy the propagated value.
547 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
549 * gcse.c (try_replace_reg): Copy the replacement.
550 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
551 (assign_386_stack_local): Always return copied memory expression
552 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
555 2006-11-10 Jan Hubicka <jh@suse.cz>
557 * final.c (final): Walk from first instruction.
558 * cfglayout.c (insn_locators_initialize): Remove line number notes.
560 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
563 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
565 (umulv8hi3_highpart): Ditto.
566 (vec_widen_smult_hi_v8hi): New expander.
567 (vec_widen_smult_lo_v8hi): Ditto.
569 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * builtins.c (do_mpfr_arg3): New.
573 (fold_builtin_1): Handle builtins fma, fmin and fmax.
575 2006-11-09 Eric Christopher <echristo@apple.com>
580 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
581 * config.gcc (powerpc64-*-darwin*): New target.
582 * config.host: Ditto.
583 * config/rs6000/darwin64.h: New file.
584 * config/rs6000/x-darwin64: Ditto.
585 * config/rs6000/host-ppc64-darwin.c: Ditto.
587 2006-11-09 Steve Ellcey <sje@cup.hp.com>
589 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
590 routines for integer division.
592 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
594 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
596 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
599 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
601 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
603 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
604 simplify_subreg with BLKmode outer mode.
606 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
608 * doc/invoke.texi: Minor formatting fixes in option lists.
610 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
612 PR tree-optimization/29738
613 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
614 (ccp_lattice_t): Remove UNKNOWN_VAL.
615 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
616 Do not handle UNKNOWN_VAL.
617 (get_default_value): Set initial value of virtual operands to
619 (get_value): Always use get_default_value on uninitialized
621 (set_value_varying, surely_varying_stmt_p): New functions.
622 (set_lattice_value): Do not pass argument to get_value.
623 Do not handle UNKNOWN_VAL.
624 (likely_value): Follow the semantics described in the comment.
625 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
626 phi nodes DONT_SIMULATE_AGAIN.
627 (ccp_fold): Do not pass argument to get_value.
628 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
631 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
633 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
634 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
636 2006-11-08 Roger Sayle <roger@eyesopen.com>
638 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
639 test for inclusion rather than as a test for exclusion.
640 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
641 the condition after calling fold_binary.
642 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
643 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
644 * builtins.c (fold_builtin_isascii): Likewise.
645 (fold_builtin_isdigit): Likewise.
647 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
649 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
650 * configure: Regenerate.
652 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
654 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
655 enum argument instead of bool.
656 (vect_analyze_operations): Call vectorizable_type_promotion.
657 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
658 stmt_vec_info_type value.
659 (supportable_widening_operation, vectorizable_type_promotion): New
660 function declarations.
661 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
662 (vectorizable_type_promotion): New function.
663 (vect_transform_stmt): Call vectorizable_type_promotion.
664 * tree-vect-analyze.c (supportable_widening_operation): New function.
665 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
667 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
670 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
671 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
672 * tree-inline.c (estimate_num_insns_1): Add cases for above new
674 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
675 * expr.c (expand_expr_real_1): Likewise.
676 * optabs.c (optab_for_tree_code): Likewise.
677 (init_optabs): Initialize new optabs.
678 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
679 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
680 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
681 vec_unpacku_lo_optab): Initialize new optabs.
682 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
683 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
684 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
686 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
687 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
688 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
689 (vec_unpacku_lo_optab): New optabs.
690 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
691 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
692 (vec_widen_smult_hi, vec_widen_smult_lo): New.
693 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
694 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
695 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
697 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
698 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
699 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
700 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
701 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
702 implement the unsigned unpacking patterns.
703 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
704 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
705 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
706 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
707 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
708 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
709 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
710 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
711 multiplication patterns.
713 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
714 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
715 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
716 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
717 (rs6000_builtin_mul_widen_odd): New.
718 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
719 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
720 * tree-vectorizer.h (enum vect_relevant): New enum type.
721 (_stmt_vec_info): Field relevant chaned from bool to enum
723 (STMT_VINFO_RELEVANT_P): Updated.
724 (STMT_VINFO_RELEVANT): New.
725 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
726 instead of STMT_VINFO_RELEVANT_P.
727 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
728 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
729 and boolean variable with enum vect_relevant.
730 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
731 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
732 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
734 2006-11-08 Richard Henderson <rth@redhat.com>
736 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
737 vec_widen_umult_lo_v8hi): New.
738 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
739 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
741 * config/i386/i386.c (ix86_expand_sse_unpack): New.
742 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
743 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
744 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
745 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
746 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
747 vec_unpacks_lo_v4si): New.
749 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
751 * tree-vect-transform.c (vectorizable_type_demotion): New function.
752 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
753 (vect_analyze_operations): Call vectorizable_type_demotion.
754 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
755 stmt_vec_info_type value.
756 (vectorizable_type_demotion): New function declaration.
757 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
760 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
761 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
763 * tree-iniline.c (estimate_num_insns_1): Likewise.
764 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
765 * optabs.c (optab_for_tree_code): Likewise.
767 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
768 compared against the predicate of the result is not 'mode' (the input
769 to the function) but a mode with half the size of 'mode'.
770 (init_optab): Initialize new optabs.
771 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
773 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
775 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
776 (vec_pack_usat_optab): Initialize new optabs.
777 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
778 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
780 2006-11-08 Richard Henderson <rth@redehat.com>
782 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
783 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
784 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
785 (vec_interleave_highv4si, vec_interleave_lowv4si):
786 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
788 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
790 * tree-vect-transform.c (vectorizable_reduction): Support multiple
792 (vect_transform_stmt): Removed redundant code.
794 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
796 * tree-vect-transform.c (vectorizable_operation): Support multiple
799 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
801 * tree-vect-transform.c (vect_align_data_ref): Removed.
802 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
803 Updated function documentation. Return the increment stmt in ptr_incr.
804 (bump_vector_ptr): New function.
805 (vect_get_vec_def_for_stmt_copy): New function.
806 (vect_finish_stmt_generation): Create a stmt_info to newly created
808 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
810 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
811 VF is greater than the number of elements that can fit in one vector
813 (vectorizable_operation, vectorizable_condition): Likewise.
814 (vectorizable_store, vectorizable_load): Support the case that the VF
815 is greater than the number of elements that can fit in one vector word.
816 (vect_transform_loop): Don't fail in case of multiple data-types.
817 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
818 in case of multiple data-types; the smallest type determines the VF.
819 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
820 if they are of different sizes.
821 (vect_update_misalignment_for_peel): Compare misalignments in terms of
822 number of elements rather than number of bytes.
823 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
824 (vect_can_advance_ivs_p): Fix a dump printout
826 2006-11-07 Eric Christopher <echristo@apple.com>
828 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
830 * libgcc2.h: Remove transformation of bswap routines.
831 * config/i386/i386.md (bswapsi2): New.
834 2006-11-07 Jakub Jelinek <jakub@redhat.com>
836 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
837 (handle_gnu_inline_attribute): New function.
838 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
839 (merge_decls, start_decl, start_function): Likewise.
840 * doc/extend.texi: Document gnu_inline attribute.
842 2006-11-07 Steve Ellcey <sje@cup.hp.com>
845 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
846 _fixunstfdi, and _floatditf
848 2006-11-06 Anatoly Sokolov <aesok@post.ru>
850 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
852 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
853 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
854 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
855 which start in an odd register.
857 2006-11-07 Richard Sandiford <richard@codesourcery.com>
859 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
861 2006-11-07 Josh Conner <jconner@apple.com>
863 * doc/invoke.texi (fstrict-aliasing): Move implementation
865 * doc/tree-ssa.texi (Alias analysis): ...here.
867 2006-11-07 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/29610
870 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
871 of tree_purge_dead_eh_edges as it may free dominators.
873 * g++.dg/other/pr29610.C: New testcase.
875 2006-11-07 David Ung <davidu@mips.com>
877 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
878 costs when optimizing for size.
879 (override_options): Use mips_rtx_cost_optimize_size table for cost
882 2006-11-07 Jie Zhang <jie.zhang@analog.com>
884 * gcc.c (process_command): Treat -b as normal switch if its argument
887 2006-11-07 David Ung <davidu@mips.com>
889 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
892 2006-11-06 Eric Christopher <echristo@apple.com>
894 * config.gcc: Add x86_64-darwin host support.
895 * config.host: Ditto.
896 * config/i386/darwin64.h: New file.
897 * config/i386/t-darwin64: Ditto.
899 2006-11-06 Janis Johnson <janis187@us.ibm.com>
901 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
902 and output-exists-not.
904 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
907 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
908 checking for overflow.
910 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
912 * configure.ac: Fixed typo in case statement: :: changed to ;;
914 2006-11-06 Bob Wilson <bob.wilson@acm.org>
916 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
917 count_leading_zeros, and count_trailing_zeros.
918 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
919 (TARGET_FOLD_BUILTIN): Define.
920 (TARGET_EXPAND_BUILTIN): Define.
921 (xtensa_init_builtins): New.
922 (xtensa_fold_builtin): New.
923 (xtensa_expand_builtin): New.
924 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
925 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
926 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
927 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
928 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
929 (any_extend): New code macro.
930 (u, su): New code attributes.
931 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
932 (nsau): Remove; replaced by clzsi2.
933 (ffssi2): Use clzsi2.
934 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
935 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
936 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
937 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
938 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
940 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
942 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
944 * config/arm/t-strongarm-elf: Likewise.
945 * config/arm/t-pe: Likewise.
946 * config/arm/t-arm-elf: Likewise.
947 * config/arm/t-xscale-elf: Likewise.
948 * config/arm/t-arm-coff: Likewise.
949 * config/arm/t-xscale-coff: Likewise.
950 * config/arm/t-wince-pe: Likewise.
952 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
954 * config/sh/lib1funcs-4-300.asm: Guard entire file with
957 2006-11-05 Jakub Jelinek <jakub@redhat.com>
960 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
963 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
966 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
967 as a valid 80387 constant.
968 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
969 * config/i386/i386.md (unnamed splitter): Split the load of
970 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
973 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
975 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
976 from the soft-frame, argument and virtual registers.
978 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
980 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
981 patterns for standard 80387 constants.
983 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
984 Steven Bosscher <steven@gcc.gnu.org>
986 * fwprop.c: New file.
987 * Makefile.in: Add fwprop.o.
988 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
989 * passes.c (init_optimization_passes): Schedule forward propagation.
990 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
992 * timevar.def (TV_FWPROP): New.
993 * common.opt (-fforward-propagate): New.
994 * opts.c (decode_options): Enable forward propagation at -O2.
995 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
996 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
997 canon_for_address, table_size): Remove.
998 (new_basic_block, insert, remove_from_table): Remove references to
1000 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1001 simplification loop more straightforward by not calling fold_rtx
1003 (equiv_constant): Move here a small part of fold_rtx_subreg,
1004 do not call fold_rtx. Call avoid_constant_pool_reference
1006 * recog.h (canonicalize_change_group): New.
1008 * doc/invoke.texi (Optimization Options): Document fwprop.
1009 * doc/passes.texi (RTL passes): Document fwprop.
1011 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1013 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1014 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1015 (grokdeclarator): Likewise.
1017 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1019 * tree-dump.c (dump_enable_all): Rename local variable
1020 ir_type to avoid name conflicts.
1021 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1022 instead of using ir_type().
1023 * profile.c (tree_register_profile_hooks): Likewise.
1024 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1025 * basic-block.h (struct edge_def): Likewise.
1026 * config/arm/arm.c (legitimize_pic_address): Likewise.
1027 * coretypes.h (ir_type): New enum of all intermediate languages
1029 * cfghooks.c (ir_type): Rename to...
1030 (current_ir_type): ...this. Distinguish between cfgrtl and
1031 cfglayout mode when the current IR is RTL. Return enum ir_type.
1032 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1034 2006-11-03 Paul Brook <paul@codesourcery.com>
1036 * config/arm/arm.c (arm_file_start): New function.
1037 (TARGET_ASM_FILE_START): Define.
1038 (arm_default_cpu): New variable.
1039 (arm_override_options): Set arm_default_cpu.
1041 2006-11-03 David Ung <davidu@mips.com>
1043 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1044 PROCESSOR_24KC and PROCESSOR_24KF.
1045 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1046 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1047 (mips_rtx_cost_data): Add costs for the 24kc.
1048 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1049 * config/mips/24k.md: Remove references to 24k and replace with
1050 uses of 24kc/24kf in the appropriate reservations.
1051 * doc/invoke.texi (MIPS Options): Updated.
1053 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1055 * config/sh/crt1.asm: Fix #ifdef indent.
1057 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1058 Merged from STMicroelectronics sources:
1059 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1060 * config/sh/crt1.asm (vbr_600): Add missing #if.
1061 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1062 * sh.opt (mfused-madd): New option.
1063 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1064 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1065 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1066 Remove pointless handler at VBR+0.
1067 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1068 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1069 fr7. Make sure the timer handler is called with the correct FPU
1070 precision setting, according to the ABI.
1071 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1072 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1073 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1074 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1075 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1076 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1077 zero as second operand.
1078 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1079 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1080 Fixed some bugs related to negative values, in particular -0
1081 and overflow at -0x80000000.
1082 * config/sh/divcost-analysis: Added sh4-300 figures.
1083 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1084 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1085 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1086 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1087 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1088 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1090 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1092 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1093 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1094 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1095 mac_mem, mem_mac, dfp_mul, fp_cmp.
1096 (insn_class, dfp_comp, any_fp_comp): Update.
1097 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1098 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1099 (muldf3_i): Likewise.
1100 (movsi_i): Split rI08 alternative into two separate alternatives.
1102 (movsi_ie, movsi_i_lowpart): Likewise.
1103 (movqi_i): Split ri alternative into two separate alternatives.
1105 * sh1.md (sh1_load_store, sh1_fp): Update.
1106 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1107 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1108 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1109 (sh4a_fp_double_arith): Likewise.
1110 * sh4-300.md: New file.
1111 * sh.c (sh_handle_option): Handle m4-300* options.
1112 (sh_adjust_cost): Fix latency of auto-increments.
1113 Handle SH4-300 differently than other SH4s. Check for new insn types.
1114 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1115 been set by an option.
1116 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1117 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1118 (mbranch-cost=): Likewise.
1119 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1121 * sh.md (mulsf3): Remove special expansion code.
1122 (mulsf3_ie): Now a define_insn_and_split.
1123 (macsf3): Allow for TARGET_SH4.
1125 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1126 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1127 (expand_cbranchdi4): Likewise.
1128 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1129 CONST_DOUBLE if the outer code is COMPARE.
1130 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1131 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1132 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1133 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1134 Remove redundant fp_{zero,one}_operand checks.
1135 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1136 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1137 (expand_cbranchdi4): Likewise.
1138 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1139 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1141 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1143 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1146 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1148 * doc/invoke.texi: Fix mfp-trap-mode typo.
1150 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1152 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1153 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1154 file_end_indicate_exec_stack.
1155 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1157 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1158 for a non-executable stack.
1159 * crti.asm: Likewise.
1160 * crtn.asm: Likewise.
1161 * libunwind.S: Likewise.
1163 2006-11-02 Ben Elliston <bje@au.ibm.com>
1165 * tree-ssa.c (warn_uninit): Use expand_location variables for
1166 locus and declaration locus.
1168 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1171 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1172 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1173 cmp{eq,gt,gtu}{si,di}_media.
1174 (*cmpne0si_media): Remove.
1175 (*movsicc_umin): Adjust gen_cmp*_media call.
1176 (unordered): Change the mode of unordered and operands[1] to
1178 (seq): Adjust gen_cmp*_media calls. Make the mode of
1179 a temporary result of compare SImode if needed. If the mode
1180 of operands[0] is DImode, extend the temporary result to DImode.
1181 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1182 (sunorderd): Change the mode of match_operand and unorderd to
1184 (cmpeq{sf,df}_media): Remove.
1185 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1186 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1187 and compare operation to SImode.
1189 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1191 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1193 (sparc64-sun-solaris2*): Likewise.
1195 2006-11-02 Paul Brook <paul@codesourcery.com>
1197 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1198 from priority argument. Use different section for non-default
1200 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1202 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1205 * except.c (switch_to_exception_section): Do not cache the section
1206 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1207 and flag_function_sections is set.
1209 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1212 * builtins.c (do_mpfr_sincos): New.
1213 (fold_builtin_1): Use it to fold builtin sincos.
1215 2006-11-01 Roger Sayle <roger@eyesopen.com>
1217 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1218 it into -D_REENTRANT.
1220 2006-11-01 Roger Sayle <roger@eyesopen.com>
1222 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1223 whether the assembler supports taking the difference of symbols in
1224 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1225 * configure: Regenerate.
1226 * config.in: Regenerate.
1227 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1228 the assembler doesn't support taking the difference of symbols in
1229 different sections, i.e. we're using the native solaris assembler.
1231 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1232 Peter Bergner <bergner@vnet.ibm.com>
1234 * doc/invoke.texi: Add cpu_type power6x
1235 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1236 * config.gcc: Add cpu_type power6x.
1237 * configure.ac: Add test for mf{t,f}gpr instructions.
1238 (HAVE_AS_MFPGPR): New.
1239 * config.in: Regenerate.
1240 * configure: Regenerate.
1241 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1242 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1243 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1244 and mftgpr attributes.
1245 (define_attr "cpu"): Add power6.
1246 Change instruction sequences to use new attributes.
1247 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1248 (fix_truncdfsi2_mfpgpr): New.
1249 (floatsidf_ppc64_mfpgpr): New.
1250 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1251 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1252 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1253 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1254 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1255 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1256 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1257 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1258 cntlz,exts and var_delayed_compare.
1259 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1260 _ARCH_PWR6X, if features enabled.
1261 * config/rs6000/rs6000.opt (mmfpgpr): New.
1262 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1263 (cached_can_issue_more): New variable.
1264 (processor_costs): Add power6_cost.
1265 (rs6000_sched_init): New function.
1266 (is_dispatch_slot_restricted): Deleted.
1267 (set_to_load_agen): New function.
1268 (is_load_insn,is_store_insn): New functions.
1269 (adjacent_mem_locations): New function.
1270 (insn_must_be_first_in_group): New function.
1271 (insn_must_be_last_in_group): New function.
1272 (rs6000_sched_reorder): New function.
1273 (rs6000_sched_reorder2): New function.
1274 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1275 TARGET_SCHED_REORDER2): Define.
1276 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1277 Add power6x. Add MASK_MFPGPR for power6x.
1278 (POWERPC_MASKS): Add MASK_MFPGPR.
1279 (rs6000_override_options): Set rs6000_always_hint to false
1280 for power6. Set rs6000_align_branch_targets. Replace
1281 rs6000_sched_groups check with rs6000_align_branch_targets.
1282 Use PROCESSOR_POWER6.
1283 (last_scheduled_insn): New variable.
1284 (load_store_pendulum): New variable.
1285 (rs6000_variable_issue): Set last_scheduled_insn and
1286 cached_can_issue_more.
1287 (rs6000_adjust_cost): Add power6 cost adjustments.
1288 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1289 with insn_must_be_first_in_group. Add power6 priority adjustments.
1290 (rs6000_issue_rate): Add CPU_POWER6.
1291 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1292 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1293 (TARGET_MFPGPR): New.
1294 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1295 (ASM_CPU_SPEC): Add power6x.
1296 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1298 * config/rs6000/power6.md: New file.
1300 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1302 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1303 HOST_WIDE_INT_PRINT to print high and low parts. Use
1304 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1305 printing a hexadecimal number prefix it with 0x.
1307 2006-11-01 Chris Johns <chris@contemporary.net.au>
1310 * Makefile.in (install-driver): Use exeext when installing
1311 $target-gcc-$version.
1313 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1315 * c-common.c (flag_cpp0x): New.
1316 * c-common.h (flag_cpp0x): New.
1317 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1318 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1319 * c-opts.c (set_std_cxx0x): New.
1320 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1321 * c.opt (std=c++0x): Document.
1322 (std=gnu++0x): Ditto.
1323 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1324 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1326 2006-11-01 Richard Guenther <rguenther@suse.de>
1328 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1330 (ix86_expand_floorceildf_32): Likewise.
1331 (ix86_expand_floorceil): Likewise.
1332 (ix86_expand_trunc): Likewise.
1334 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1336 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1339 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1341 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1343 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1345 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1347 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1348 * configure.ac (use_cxa_atexit): As a special case, don't test
1349 for libc definition of __cxa_atexit on mingw32
1350 * configure: Regenerate.
1351 * config.gcc (i[34567]86-pc-mingw32): Default to
1352 enable__cxa_atexit=yes.
1354 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1356 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1358 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1361 * c-decl.c (start_struct): Don't create self-containing
1363 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1365 * config/rs6000/rs6000-protos.h
1366 (darwin_rs6000_special_round_type_align): New.
1367 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1368 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1370 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1372 * toplev.c (compile_file): Call final_write_globals
1373 even if there have been errors.
1375 2006-10-31 Eric Christopher <echristo@apple.com>
1376 Falk Hueffner <falk@debian.org>
1378 * doc/extend.texi (__builtin_bswap32): Document.
1379 (__builtin_bswap64): Ditto.
1380 * doc/libgcc.texi (bswapsi2): Document.
1382 * doc/rtl.texi (bswap): Document.
1383 * optabs.c (expand_unop): Don't widen a bswap.
1384 (init_optabs): Init bswap. Set libfuncs explicitly
1385 for bswapsi2 and bswapdi2.
1386 * optabs.h (OTI_bswap): New.
1387 (bswap_optab): Ditto.
1388 * genopinit.c (optabs): Handle bswap_optab.
1389 * tree.h (tree_index): Add TI_UINT32_TYPE and
1391 (uint32_type_node): New.
1392 (uint64_type_node): Ditto.
1393 * tree.c (build_common_tree_nodes_2): Initialize
1394 uint32_type_node and uint64_type_node.
1395 * builtins.c (expand_builtin_bswap): New.
1396 (expand_builtin): Call.
1397 (fold_builtin_bswap): New.
1398 (fold_builtin_1): Call.
1399 * fold-const.c (tree_expr_nonnegative_p): Return true
1401 * builtin-types.def (BT_UINT32): New.
1403 (BT_FN_UINT32_UINT32): Ditto.
1404 (BT_FN_UINT64_UINT64): Ditto.
1405 * builtins.def (BUILT_IN_BSWAP32): New.
1406 (BUILT_IN_BSWAP64): Ditto.
1407 * rtl.def (BSWAP): New.
1408 * genattrtab.c (check_attr_value): New.
1409 * libgcc2.c (__bswapSI2): New.
1410 (__bswapDI2): Ditto.
1411 * libgcc2.h (__bswapSI2): Declare.
1412 (__bswapDI2): Ditto.
1413 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1414 * simplify-rtx.c (simplify_const_unary_operation): Return
1416 * libgcc-std.ver (__bwapsi2): Add.
1417 (__bswapdi2): Ditto.
1418 * reload1.c (eliminate_regs_1): Add bswap.
1419 (elimination_effects): Ditto.
1420 * config/i386/i386.h (x86_bswap): New.
1421 (TARGET_BSWAP): Use.
1422 * config/i386/i386.c (x86_bswap): Set.
1424 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1426 * coverage.c (coverage_checksum_string): Update comment.
1427 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1428 of get_file_function_name.
1429 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1430 of get_file_function_name_long.
1431 * tree.c (get_file_function_name): Rename from
1432 get_file_function_name_long; improve comment; handle 'I' and 'D'
1433 specially when the target has ctor/dtor support; remove special
1435 (get_file_function_name): Remove.
1436 * tree.h (get_file_function_name): Rename from
1437 get_file_function_name_long.
1438 (get_file_function_name): Remove prototype.
1440 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1442 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1443 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1445 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1446 Call dsymutil when compiling and linking one or more source files
1449 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1452 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1454 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1456 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1457 inline static functions in c99 mode.
1460 * doc/extend.texi (Inline): Update.
1461 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1462 * c-decl.c (current_extern_inline): Delete.
1463 (pop_scope): Adjust test for an undefined nested function.
1464 Add warning about undeclared inline function.
1465 (diagnose_mismatched_decls): Update comments. Disallow overriding
1466 of inline functions in a translation unit in C99. Allow inline
1467 declarations in C99 at any time.
1468 (merge_decls): Boolize variables. Handle C99 'extern inline'
1470 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1471 C99 inline semantics.
1472 (start_function): Don't clear current_extern_inline. Don't set
1474 (c_push_function_context): Don't push current_extern_inline.
1475 (c_pop_function_context): Don't restore current_extern_inline.
1478 * c-typeck.c (build_external_ref): Warn about static variables
1479 used in extern inline functions.
1480 * c-decl.c (start_decl): Warn about static variables declared
1481 in extern inline functions.
1483 2006-10-31 Roger Sayle <roger@eyesopen.com>
1486 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1487 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1488 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1489 or y is an even integer.
1491 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1494 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1495 * gthr-posix95.h (__gthread_active_p): Likewise.
1497 2006-10-31 Richard Guenther <rguenther@suse.de>
1499 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1500 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1501 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1502 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1503 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1504 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1505 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1506 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1509 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1511 * opts.c (decode_options): Disable CSE skip blocks.
1513 2006-10-30 Dirk Mueller <dmueller@suse.de>
1515 * c-common.h (strict_aliasing_warning): Fix whitespace.
1516 * c-decl (start_function): Move code for main decl warning ..
1517 * c-common.c (check_main_parameter_types): .. here.
1518 * c-common.h (check_main_parameter_types): Declare.
1520 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1523 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1525 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1527 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1528 be a PARALLEL containing sets. Return false when out_pat is not
1531 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1533 * config/mips/mips.md (mul<mode>3): Split into...
1534 (mulsi3, muldi3): ...these separate patterns.
1536 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1538 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1539 but with each set of options separated by spaces.
1541 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1543 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1544 dwarf_reg_size_table has been initialized.
1546 2006-10-30 Roger Sayle <roger@eyesopen.com>
1548 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1549 * ddg.c (print_ddg_edge): Likewise.
1550 * dwarf2out.c (prune_unused_types_walk): Likewise.
1551 * ifcvt.c (noce_try_cmove_arith): Likewise.
1552 * langhooks.c (add_builtin_function): Likewise.
1553 * reg-stack.c (subst_stack_regs_pat): Likewise.
1554 * tree.c (expanded_location): Likewise.
1555 * tree-dump.c (dequeue_and_dump): Likewise.
1557 2006-10-30 David Daney <ddaney@avtrex.com>
1559 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1561 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1563 PR tree-optimization/29637
1564 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1565 of the innertype is the innertype itself.
1567 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1569 * dwarf2out.c (file_name_acquire): Correct typo.
1571 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1573 * tree.h (tree_value_handle): Remove struct value_set declaration.
1574 Change value_set to bitmap_set.
1575 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1576 * tree-vn.c (get_value_handle): Made inline and moved to
1578 * tree-flow-inline.h: (has_stmt_ann): New function.
1579 * tree-ssa-pre.c (expressions): New variable.
1580 (next_expression_id): Ditto.
1581 (alloc_expression_id): New function.
1582 (struct value_set): Remove.
1583 (get_expression_id): New function.
1584 (get_or_alloc_expression_id): Ditto.
1585 (expression_for_id): Ditto.
1586 (clear_expression_ids): Ditto.
1587 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1588 (bb_value_sets): Renamed to bb_bitmap_sets.
1589 All value sets replaced with bitmap_sets.
1591 (BB_VISITED): New macro.
1592 (postorder): New variable.
1593 (add_to_value): Removed.
1594 (value_exists_in_set_bitmap): Ditto.
1595 (value_insert_into_set_bitmap): Ditto.
1598 (set_remove): Ditto.
1599 (set_contains_value): Ditto.
1600 (insert_into_set): Ditto.
1602 (find_leader): Ditto.
1603 (bitmap_set_subtract_from_value_set): Ditto.
1604 (value_insert_into_set): Ditto.
1605 (print_value_set): Ditto.
1606 (debug_value_set): Ditto.
1607 (constant_expr_p): New function.
1608 (bitmap_remove_from_set): Ditto.
1609 (bitmap_insert_into_set): Ditto.
1610 (bitmap_set_free): Ditto.
1611 (vh_compare): Ditto.
1612 (sorted_array_from_bitmap_set): Ditto.
1613 (bitmap_set_subtract): Ditto.
1614 (bitmap_set_equal): Ditto.
1615 (debug_bitmap_set): Ditto.
1616 (find_leader_in_sets): Ditto.
1617 (bitmap_set_replace_value): Modify for bitmapped sets.
1618 (phi_translate): Ditto.
1619 (phi_translate_set): Ditto.
1620 (bitmap_find_leader): Ditto.
1621 (valid_in_sets): Ditto.
1622 (union_contains_value): Ditto.
1624 (compute_antic_aux): Ditto. Mark changed blocks.
1625 (compute_antic): Ditto. Iterate in postorder and only over
1627 (compute_rvuse_and_antic_safe): Reuse postorder.
1628 (create_component_ref_by_pieces): Modify for bitmapped sets.
1629 (find_or_generate_expression): Ditto.
1630 (create_expression_by_pieces): Ditto.
1631 (insert_into_preds_of_block): Ditto.
1632 (changed_blocks): New variable.
1633 (do_regular_insertion): Broken out from insert_aux.
1634 (insert_aux): Modified for bitmapped sets.
1635 (find_existing_value_expr): New function.
1636 (create_value_expr_from): Use it.
1637 (insert_extra_phis): Removed.
1638 (print_bitmap_set): Renamed from bitmap_print_value_set.
1639 (compute_avail): Handle RETURN_EXPR.
1640 (init_pre): Modify for bitmapped sets.
1641 * tree-flow.h (has_stmt_ann): New function.
1643 2006-10-29 Roger Sayle <roger@eyesopen.com>
1645 * builtins.c (fold_builtin_floor): Check for the availability of
1646 the C99 trunc function before transforming floor into trunc.
1648 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1650 * builtins.c (fold_builtin_hypot): Rearrange recursive
1651 transformation before others, and also do ABS_EXPR. When
1652 necessary, check flag_unsafe_math_optimizations. When necessary,
1655 2006-10-29 Roger Sayle <roger@eyesopen.com>
1657 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1658 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1659 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1660 Fold -X eq/ne -Y as X eq/ne Y.
1662 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1664 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1665 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1666 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1667 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1668 Use an inclusive test for "mult" rather than "mul".
1669 (rotr<mode>3): Depend on ISA_HAS_ROR.
1670 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1672 (GENERATE_MULT3_DI): Delete.
1673 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1674 (ISA_HAS_MUL3): New macro.
1675 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1676 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1677 (ISA_HAS_CLZ_CLO): Likewise.
1678 (ISA_HAS_DCLZ_DCLO): Delete.
1679 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1680 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1681 the VR4120 and VR4130.
1682 (ISA_HAS_MACCHI): Use consistent formatting.
1683 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1684 (ISA_HAS_ROR): ...this new macro.
1685 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1686 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1687 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1689 2006-10-29 Roger Sayle <roger@eyesopen.com>
1691 PR tree-optimization/15458
1692 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1695 2006-10-29 Richard Guenther <rguenther@suse.de>
1697 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1698 (ix86_expand_truncdf_32): Likewise.
1699 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1700 trunc inline for SSE math and -fno-trapping-math and if not
1701 optimizing for size.
1702 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1703 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1704 for expanding btrunc inline for SSE math.
1706 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1708 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1709 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1710 i[34567]86-*-solaris2.1[0-9]*.
1711 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1712 Define conditionally depending on TARGET_64BIT_DEFAULT.
1713 (SPEC_32, SPEC_64): Define.
1714 (LINK_SPEC): Use them.
1715 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1717 2006-10-29 Richard Guenther <rguenther@suse.de>
1719 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1720 (ix86_expand_rounddf_32): Likewise.
1721 * config/i386/i386.c (ix86_expand_round): New function expanding
1722 round inline for SSE math and -fno-trapping-math and if not
1723 optimizing for size.
1724 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1725 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1726 round via ix86_expand_round.
1728 2006-10-29 Richard Guenther <rguenther@suse.de>
1730 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1731 (ix86_expand_floorceildf_32): Likewise.
1732 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1733 static helper function.
1734 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1736 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1737 * config/i386/i386.md (floordf2): Adjust to enable floor
1738 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1739 -fno-trapping-math is enabled and if not optimizing for size.
1740 (floorsf2, ceildf2, ceilsf2): Likewise.
1741 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1742 (sse2_maskcmpdf3): Likewise.
1744 2006-10-29 Richard Guenther <rguenther@suse.de>
1746 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1747 rint in case -fno-trapping-math is enabled.
1748 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1749 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1750 (ix86_expand_sse_fabs): Likewise.
1751 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1752 * config/i386/i386.md (rintdf2): Enable for SSE math if
1753 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1754 (rintsf2): Likewise.
1756 2006-10-29 Richard Guenther <rguenther@suse.de>
1758 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1759 to conversion optabs.
1760 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1761 as conversion optab.
1762 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1763 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1764 (lfloor_optab, lceil_optab): Adjust defines.
1765 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1766 lfloor and lceil optabs now being conversion optabs.
1767 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1768 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1769 New static helper function.
1770 (ix86_expand_lfloorceil): New function to expand lfloor and
1772 * config/i386/i386.md (lfloor<mode>2): Split into ...
1773 (lfloorxf<mode>2): ... x87 variant
1774 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1775 using ix86_expand_lfloorceil.
1776 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1778 * doc/md.texi (lfloorMN, lceilMN): Document.
1780 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1782 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1783 -mno-shared assembler option on mips targets.
1784 * configure, config.in: Regenerate.
1785 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1786 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1787 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1789 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1791 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1792 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1794 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1796 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1797 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1800 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1804 (fold_builtin_pow): Evaluate constant arguments at compile-time
1806 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1807 (do_mpfr_ckconv): New helper function.
1808 (do_mpfr_arg1): Use do_mpfr_ckconv.
1809 (do_mpfr_arg2): New.
1811 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1814 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1815 (-fdump-rtl-sched): Rename to ..
1816 (-fdump-rtl-sched1): here. Also fix file extension number.
1818 2006-10-28 Richard Guenther <rguenther@suse.de>
1820 * fold-const.c (maybe_canonicalize_comparison): Fix code
1823 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1825 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1826 (NON_QI_REG_P): Use IN_RANGE.
1827 (REX_INT_REGNO_P): Use IN_RANGE.
1828 (FP_REGNO_P): Use IN_RANGE.
1829 (SSE_REGNO_P): Use IN_RANGE.
1830 (REX_SSE_REGNO_P): Use IN_RANGE.
1831 (MMX_REGNO_P): Use IN_RANGE.
1832 (STACK_REGNO_P): New macro.
1833 (STACK_REG_P): Use STACK_REGNO_P.
1834 (NON_STACK_REG_P): Use STACK_REGNO_P.
1835 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1836 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1837 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1838 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1839 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1841 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1843 * except.h (output_function_exception_table): Add 'const char*' param.
1844 * except.c (switch_to_exception_section): Add 'const char*' param.
1845 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1846 and flag_function_sections is set, use a function-specific section.
1847 (output_function_exception_table): Add 'const char*' param.
1848 Adjust call to switch_to_exception_section.
1849 * final.c (rest_of_handle_final): Adjust calls to
1850 output_function_exception_table.
1851 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1852 * config.in: Regenerate.
1853 * configure: Likewise.
1855 2006-10-28 Richard Guenther <rguenther@suse.de>
1858 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1859 for maybe_canonicalize_comparison.
1860 (maybe_canonicalize_comparison): New function for canonicalizing
1862 (fold_comparison): Call it to canonicalize comparisons with
1865 2006-10-28 Richard Guenther <rguenther@suse.de>
1868 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1869 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1870 (expand_builtin): Adjust likewise.
1871 * genopinit.c (optabs[]): Add lround optab.
1872 * optabs.c (init_optabs): Initialize lround_optab.
1873 * optabs.h (enum convert_optab_index): Add COI_lround.
1874 (lround_optab): Define.
1875 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1876 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1878 (ix86_expand_lround): New function.
1879 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1881 * doc/md.texi (lroundMN2): Document.
1883 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1886 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1887 argument to HOST_WIDE_INT. Update function prototype.
1888 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1889 "size" argument to HOST_WIDE_INT. Update function prototype.
1891 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1893 * config/i386/i386.c (output_387_ffreep): Create output from a
1894 template string for !HAVE_AS_IX86_FFREEP.
1896 2006-10-27 Eric Christopher <echristo@apple.com>
1898 * config/darwin.c: Fix formatting and grammar.
1900 2006-10-27 Jan Hubicka <jh@suse.cz>
1902 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1903 to be thrown away soon when IGNORE is set.
1904 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1905 indicating when return value shall not be computed.
1906 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1908 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1910 * config/i386/i386.h (TARGET_GEODE):
1911 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1912 (TARGET_CPU_DEFAULT_geode): New macro.
1913 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1914 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1915 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1916 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1917 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1919 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1920 (processor_type): Add PROCESSOR_GEODE.
1922 * config/i386/i386.md: Include geode.md.
1925 * config/i386/i386.c (geode_cost): New initialized global
1927 (m_GEODE, m_K6_GEODE): New macros.
1928 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1929 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1930 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1931 x86_schedule): Use m_K6_GEODE instead of m_K6.
1932 (x86_movx, x86_cmove): Set up m_GEODE.
1933 (x86_integer_DFmode_moves): Clear m_GEODE.
1934 (processor_target_table): Add entry for geode.
1935 (processor_alias_table): Ditto.
1937 * config/i386/geode.md: New file.
1939 * doc/invoke.texi: Add entry about geode processor.
1941 2006-10-27 Mike Stump <mrs@apple.com>
1943 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1944 __DYNAMIC__ from here back to ...
1945 * config/darwin.h (CPP_SPEC): ... here.
1947 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1948 Nathan Sidwell <nathan@codesourcery.com>
1950 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1951 when choosing the minimum heapsize.
1953 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1955 * gcc/unwind-dw2.h: Move cfa-related variables into
1956 struct frame_state_reg_info to ensure that the CFA is properly
1957 handled when executing DW_CFA_{remember,restore}_state.
1958 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1959 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1960 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1961 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1962 gcc/config/rs6000/linux-unwind.h,
1963 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1964 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1965 Modify to use new cfa_* fields.
1967 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1969 * config/s390/s390.c (s390_init_frame_layout): Check positive
1972 2006-10-26 Ben Elliston <bje@au.ibm.com>
1974 * gimplify.c (get_name): Remove extraneous break.
1975 (gimplify_omp_for): Initialise ret with GS_OK.
1977 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1979 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1980 Add unix98.o to link line.
1982 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1985 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1986 Calculate compile-time constants using MPFR.
1987 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1988 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1990 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1992 * config/xtensa/lib2funcs.S: Use C-style comments.
1994 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1996 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1997 (file_table_relative_p): Likewise.
1998 (dwarf2out_finish): Likewise.
1999 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2001 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2003 * tree-ssa-structalias.c (intra_create_variable_infos):
2004 Don't recreate nonlocal_all if it already exists.
2006 2006-10-25 Richard Guenther <rguenther@suse.de>
2009 * optabs.h (enum optab_index): Remove OTI_lrint.
2010 (enum convert_optab_index): Add COI_lrint.
2011 (lrint_optab): Adjust.
2012 (expand_sfix_optab): Declare.
2013 * optabs.c (expand_sfix_optab): New function.
2014 (init_optabs): Init lrint_optab as conversion optab.
2015 * genopinit.c (lrint_optab): Change to a conversion optab.
2016 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2017 expansion via conversion optab.
2018 * config/i386/i386.md (*fistdi2_1): Remove
2019 flag_unsafe_math_optimizations guard.
2020 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2021 fist<mode>2_with_temp): Likewise.
2022 (lrint<mode>2): Split into...
2023 (lrintxf<mode>2): ... x87 part
2024 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2025 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2026 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2027 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2028 * doc/md.texi (lrintMN2): Document.
2030 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2033 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2034 Use inc and dec instructions for TARGET_USE_INCDEC.
2035 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2036 ("sync_double_compare_and_swap<mode>"): Likewise.
2037 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2038 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2039 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2040 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2041 ("sync_old_add<mode>"): Likewise.
2042 ("sync_lock_test_and_set<mode>"): Likewise.
2043 ("sync_lock_test_and_set<mode>"): Likewise.
2044 ("sync_add<mode>"): Likewise.
2045 ("sync_sub<mode>"): Likewise.
2046 ("sync_ior<mode>"): Likewise.
2047 ("sync_and<mode>"): Likewise.
2048 ("sync_xor<mode>"): Likewise.
2050 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2052 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2053 (remainder_optab): Define corresponding macro.
2054 (drem_optab): Remove.
2055 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2056 drem_optab initialization.
2057 * genopinit.c (optabs): Implement remainder_optab using
2058 remainder?f3 patterns. Remove drem_optab.
2059 * builtins.c (expand_builtin_mathfn_2): Handle
2060 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2061 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2062 expand_builtin_mathfn_2.
2064 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2065 depend on flag_unsafe_math_optimizations.
2067 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2068 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2069 Do not depend on flag_unsafe_math_optimizations. Use
2070 truncxf?f expander instead of truncxf?f_i387_noop.
2072 ("fpremxf4", "fprem1xf4"): Do not depend on
2073 flag_unsafe_math_optimizations.
2074 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2075 flag_unsafe_math_optimizations. Use truncxf?f expander
2076 instead of truncxf?f_i387_noop.
2078 * doc/md.texi (fmod, remainder): Document standard named pattern.
2080 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2081 David Daney <ddaney@avtrex.com>
2084 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2086 2006-10-25 Ben Elliston <bje@au.ibm.com>
2088 * doc/extend.texi (Variable Attributes): Typo fix.
2090 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2092 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2093 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2094 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2095 (FRAME_POINTER_REGNUM): Update register number to 21.
2096 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2097 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2099 * config/i386/i386.c (regclass_map): Add fpcr entry.
2100 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2102 (print_reg): Assert REGNO (x) != FPCR_REG.
2104 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2105 (DIRFLAG_REG): Renumber.
2106 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2107 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2108 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2109 hardcoded SSE register numbers.
2111 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2112 hardcoded MMX register numbers.
2114 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2117 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2118 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2120 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2121 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2122 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2123 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2125 2006-10-24 Richard Guenther <rguenther@suse.de>
2128 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2129 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2130 for deciding optimizations in consistency with fold-const.c
2131 (fold_builtin_unordered_cmp): Likewise.
2133 2006-10-24 Richard Guenther <rguenther@suse.de>
2135 * builtins.c (fold_builtin_floor): Fold floor (x) where
2136 x is nonnegative to trunc (x).
2137 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2138 nonnegative to FIX_TRUNC_EXPR.
2140 2006-10-24 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/29567
2143 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2144 for TRUTH_NOT_EXPR. Clarify comments.
2146 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2149 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2150 at compile-time using MPFR. Change parameter VALUE to FUNC,
2152 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2153 for overflow and underflow at all times and avoid folding in
2156 2006-10-24 Ben Elliston <bje@au.ibm.com>
2158 * reload1.c: Formatting fixes.
2160 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2162 PR tree-optimization/14784
2163 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2164 * tree-ssa-structalias.c (get_constraint_for,
2165 intra_create_variable_infos): Set is_heapvar.
2166 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2167 non-heapvar pointer variables specially.
2169 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2173 fold_builtin_tan): Fold all constant arguments. Take a "type"
2174 argument as necessary.
2175 (do_mpfr_arg1): New.
2176 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2178 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2180 * config/xtensa/lib1funcs.asm: Use C-style comments.
2182 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2184 * tree.c (local_define_builtin): Replace calls to
2185 lang_hooks.builtin_function with add_builtin_function.
2186 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2188 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2190 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2191 common code to add_builtin_function.
2192 * langhooks.c (add_builtin_function): New function.
2193 (lhd_builtin_function): New function.
2194 * langhooks.h (struct lang_hooks): Change the signature of
2196 (add_builtin_function): New function.
2197 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2198 calls to lang_hooks.builtin_function with add_builtin_function.
2199 * c-common.c (decl_builtin_1): Replace calls to
2200 lang_hooks.builtin_function with add_builtin_function.
2201 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2202 lang_hooks.builtin_function with add_builtin_function.
2203 * config/frv/frv.c (def_builtin): Replace calls to
2204 lang_hooks.builtin_function with add_builtin_function.
2205 * config/s390/s390.c (s390_init_builtins): Replace calls to
2206 lang_hooks.builtin_function with add_builtin_function.
2207 * config/sparc/sparc.c (def_builtin): Replace calls to
2208 lang_hooks.builtin_function with add_builtin_function.
2209 * config/i386/i386.c (def_builtin): Replace calls to
2210 lang_hooks.builtin_function with add_builtin_function.
2211 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2212 lang_hooks.builtin_function with add_builtin_function.
2213 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2214 lang_hooks.builtin_function with add_builtin_function.
2215 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2216 Replace calls to lang_hooks.builtin_function with
2217 add_builtin_function.
2218 * config/iq2000/iq2000.c (def_builtin):
2219 Replace calls to lang_hooks.builtin_function with
2220 add_builtin_function.
2221 * config/ia64/ia64.c (def_builtin): Replace calls to
2222 lang_hooks.builtin_function with add_builtin_function.
2223 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2224 lang_hooks.builtin_function with add_builtin_function.
2225 (altivec_init_builtins): Replace calls to
2226 lang_hooks.builtin_function with add_builtin_function.
2227 * config/arm/arm.c (def_mbuiltin): Replace calls to
2228 lang_hooks.builtin_function with add_builtin_function.
2229 (arm_init_tls_builtins): Replace calls to
2230 lang_hooks.builtin_function with add_builtin_function.
2231 * config/mips/mips.c (mips_init_builtins): Replace calls to
2232 lang_hooks.builtin_function with add_builtin_function.
2233 * config/bfin/bfin.c (def_builtin): Replace calls to
2234 lang_hooks.builtin_function with add_builtin_function.
2235 * langhooks-def.h (lhd_builtin_function): New function.
2236 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2238 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2240 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2241 BUILT_IN_STRNCAT_CHK.
2243 2006-10-23 Jan Hubicka <jh@suse.cz>
2245 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2246 don't do conversion from memmove to memcpy here.
2247 (expand_builtin_bcopy, expand_builtin): Update call of
2248 expand_builtin_memmove.
2249 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2251 2006-10-23 Paul Brook <paul@codesourcery.com>
2253 * stor-layout.c (start_record_layout): maximum_field_alignment
2254 overrides STRUCTURE_SIZE_BOUNDARY.
2256 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2258 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2259 nonlocal function symbols if flag_pic.
2261 2006-10-23 Richard Guenther <rguenther@suse.de>
2265 * builtins.c (fold_binary): Remove checks for flag_wrapv
2266 and flag_trapv where negate_expr_p covers these cases.
2268 2006-10-23 Richard Guenther <rguenther@suse.de>
2271 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2272 of two on the absolute value.
2273 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2274 and negating -C does not overflow.
2276 2006-10-23 Richard Guenther <rguenther@suse.de>
2279 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2280 only if not flag_rounding_math.
2282 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2283 Kaz Kojima <kkojima@gcc.gnu.org>
2286 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2287 SImode memory reference for the source of a movua.
2288 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2289 (movua): Use an unspec instead of sign_extract. Expect the source
2290 to have mode BLKmode.
2291 (extv, insv): Use a BLKmode rather than SImode memory reference
2292 for the source of a movua.
2294 2006-10-22 Jeff Law <law@redhat.com>
2295 Richard Guenther <rguenther@suse.de>
2297 PR tree-optimization/15911
2298 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2299 (register_edge_assert_for_1): Likewise.
2300 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2301 (find_conditional_asserts): Adjust for new function signature.
2302 (find_assert_locations): Likewise.
2304 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2306 * config/i386/tmmintrin.h: Remove the duplicated content.
2308 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2310 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2311 (x86_64-*-*): Likewise.
2313 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2314 (override_options): Check SSSE3.
2315 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2316 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2317 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2318 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2319 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2320 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2321 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2322 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2323 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2324 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2325 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2326 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2327 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2328 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2329 IX86_BUILTIN_PABSD128.
2330 (bdesc_2arg): Add SSSE3.
2331 (bdesc_1arg): Likewise.
2332 (ix86_init_mmx_sse_builtins): Support SSSE3.
2333 (ix86_expand_builtin): Likewise.
2334 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2336 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2337 (UNSPEC_PSIGN): Likewise.
2338 (UNSPEC_PALIGNR): Likewise.
2339 Include mmx.md before sse.md.
2341 * config/i386/i386.opt: Add -mssse3.
2343 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2344 (ssse3_phaddwv4hi3): Likewise.
2345 (ssse3_phadddv4si3): Likewise.
2346 (ssse3_phadddv2si3): Likewise.
2347 (ssse3_phaddswv8hi3): Likewise.
2348 (ssse3_phaddswv4hi3): Likewise.
2349 (ssse3_phsubwv8hi3): Likewise.
2350 (ssse3_phsubwv4hi3): Likewise.
2351 (ssse3_phsubdv4si3): Likewise.
2352 (ssse3_phsubdv2si3): Likewise.
2353 (ssse3_phsubswv8hi3): Likewise.
2354 (ssse3_phsubswv4hi3): Likewise.
2355 (ssse3_pmaddubswv8hi3): Likewise.
2356 (ssse3_pmaddubswv4hi3): Likewise.
2357 (ssse3_pmulhrswv8hi3): Likewise.
2358 (ssse3_pmulhrswv4hi3): Likewise.
2359 (ssse3_pshufbv16qi3): Likewise.
2360 (ssse3_pshufbv8qi3): Likewise.
2361 (ssse3_psign<mode>3): Likewise.
2362 (ssse3_psign<mode>3): Likewise.
2363 (ssse3_palignrti): Likewise.
2364 (ssse3_palignrdi): Likewise.
2365 (abs<mode>2): Likewise.
2366 (abs<mode>2): Likewise.
2368 * config/i386/tmmintrin.h: New file.
2370 * doc/extend.texi: Document SSSE3 built-in functions.
2372 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2374 2006-10-22 Ira Rosen <irar@il.ibm.com>
2376 * tree-vect-transform.c (vectorizable_load): Use the type of the
2377 return value of the mask_for_load builtin to create realign_load
2380 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2382 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2385 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2387 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2388 (UNSPEC_LDDQU): This.
2389 * config/i386/sse.md (sse3_lddqu): Updated.
2391 2006-10-21 Richard Guenther <rguenther@suse.de>
2393 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2394 (expand_builtin): Use it to expand lrint instead of
2395 expand_builtin_mathfn.
2397 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2400 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2401 flag_unsafe_math_optimizations is set.
2403 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2406 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2407 patterns to use memory input operand in x87->mem->XMM
2408 reload sequences. Skip transformation for TARGET_K8.
2410 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2412 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2413 force operand1 to register if both operands are memory operands.
2414 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2415 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2416 if both operands are memory operands.
2417 (truncdfsf2): Do not force operand1 to register if both operands
2418 are memory operands.
2420 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2422 * Makefile.in (LIBS): Add $(GMPLIBS).
2423 * doc/install.texi: Update GMP and MPFR requirements.
2424 * doc/sourcebuild.texi (need_gmp): Delete.
2426 2006-10-21 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/3511
2429 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2430 got new invariant arguments during PHI translation.
2432 2006-10-21 Richard Guenther <rguenther@suse.de>
2435 * fold-const.c (fold_comparison): Fold signed comparisons
2436 of the form X +- C1 CMP Y +- C2.
2438 2006-10-21 Richard Guenther <rguenther@suse.de>
2441 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2442 if flag_unsafe_math_optimizations is specified. We have
2443 flag_finite_math_only for that.
2444 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2445 or flag_unsafe_math_optimizations.
2447 2006-10-21 Richard Guenther <rguenther@suse.de>
2449 * builtins.c (fold_builtin_classify): Fix typo.
2451 2006-10-21 Richard Guenther <rguenther@suse.de>
2454 * simplify-rtx.c (simplify_const_relational_operation):
2455 Do not constant-fold ORDERED and UNORDERED for
2456 flag_unsafe_math_optimizations but only we do not need to
2457 honor NaNs for the given mode.
2459 2006-10-21 Richard Guenther <rguenther@suse.de>
2462 * config/i386/i386.c (classify_argument): Remove redundant
2463 walking of the BINFOs.
2464 (contains_128bit_aligned_vector_p): Likewise.
2466 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2468 * BASE-VER: Set to 4.3.0.
2470 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2472 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2473 (tree_decl_with_vis): Remove artificial_pta_var flag.
2474 * tree-flow.h (referenced_var_check_and_insert): Expose.
2475 (nonlocal_all): New prototype.
2476 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2477 (nonlocal_all): Make global.
2478 (nonlocal_lookup): Remove.
2479 (nonlocal_insert): Ditto.
2480 (create_nonlocal_var): Do not call nonlocal_insert.
2481 (get_nonlocal_id_for_type): Remove.
2482 (find_global_initializers): Mark new vars we find for renaming.
2483 (intra_create_variable_infos): Only create one nonlocal.
2484 (expand_nonlocal_solutions): Remove.
2485 (compute_points_to_sets): Don't call it.
2486 (ipa_pta_execute): Ditto.
2487 (init_alias_heapvars): Don't create nonlocal_for_type.
2488 (delete_alias_heapvars): Don't remove it.
2489 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2492 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2494 * doc/install.texi (Downloading GCC): Clarify mention of
2495 Fortran in the "full distribution" description.
2497 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2499 Fix PR tree-optimization/28778
2500 Fix PR tree-optimization/29156
2501 Fix PR tree-optimization/29415
2502 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2503 (tree_decl_with_vis): Add artificial_pta_var flag.
2504 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2505 pushed into callers.
2506 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2507 (nonlocal_all): Ditto.
2508 (struct variable_info): Add directly_dereferenced member.
2509 (var_escaped_vars): New variable.
2510 (escaped_vars_tree): Ditto.
2511 (escaped_vars_id): Ditto.
2512 (nonlocal_vars_id): Ditto.
2513 (new_var_info): Set directly_dereferenced.
2514 (graph_size): New variable
2515 (build_constraint_graph): Use graph_size.
2516 (solve_graph): Don't process constraints that cannot change the
2517 solution, don't try to propagate an empty solution to our
2519 (process_constraint): Set directly_dereferenced.
2520 (could_have_pointers): New function.
2521 (get_constraint_for_component_ref): Don't process STRING_CST.
2522 (nonlocal_lookup): New function.
2523 (nonlocal_insert): Ditto.
2524 (create_nonlocal_var): Ditto.
2525 (get_nonlocal_id_for_type): Ditto.
2526 (get_constraint_for): Allow results vector to be empty in the case
2527 of string constants.
2528 Handle results of calls properly.
2529 (update_alias_info): Update alias info stats on number and type of
2531 (find_func_aliases): Use could_have_pointers.
2532 (make_constraint_from_escaped): Renamed from
2533 make_constraint_to_anything, and changed to make constraints from
2535 (make_constraint_to_escaped): New function.
2536 (find_global_initializers): Ditto.
2537 (create_variable_info_for): Make constraint from escaped to any
2538 global variable, and from any global variable to the set of
2540 (intra_create_variable_infos): Deal with escaped instead of
2541 pointing to anything.
2542 (set_uids_in_ptset): Do type pruning on directly dereferenced
2544 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2545 (init_base_vars): Fix comment, and initialize escaped_vars.
2546 (need_to_solve): Removed.
2547 (find_escape_constraints): New function.
2548 (expand_nonlocal_solutions): Ditto.
2549 (compute_points_to_sets): Call find_escape_constraints and
2550 expand_nonlocal_solutions.
2551 (delete_points_to_sets): Don't fall off the end of the graph.
2552 (init_alias_heapvars): Initialize nonlocal_for_type and
2554 (delete_alias_heapvars): Free nonlocal_for_type and null out
2557 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2559 * fold-const.c (add_double): Rename to add_double_with_sign.
2560 Add 'unsigned_p' parameter and take it into account for the overflow.
2561 (mul_double): Rename to mul_double_with_sign.
2562 Add 'unsigned_p' parameter and take it into account for the overflow.
2563 (fold_div_compare): Call add_double_with_sign instead of add_double
2564 and mul_double_with_sign instead of mul_double, passing them the
2565 unsignedness of the type.
2566 * tree.h (add_double): Macroize.
2567 (add_double_with_sign): New prototype.
2568 (mul_double): Macroize.
2569 (mul_double_with_sign): New prototype.
2571 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2573 * config/score/crti.asm: New file.
2574 * config/score/crtn.asm: New file.
2575 * config/score/elf.h: New file.
2576 * config/score/mac.md: New file.
2577 * config/score/misc.md: New file.
2578 * config/score/mul-div.S: New file.
2579 * config/score/predicates.md: New file.
2580 * config/score/score7.md: New file.
2581 * config/score/score.c: New file.
2582 * config/score/score-conv.h: New file.
2583 * config/score/score.h: New file.
2584 * config/score/score.md: New file.
2585 * config/score/score-mdaux.c: New file.
2586 * config/score/score-mdaux.h: New file.
2587 * config/score/score-modes.def: New file.
2588 * config/score/score.opt: New file.
2589 * config/score/score-protos.h: New file.
2590 * config/score/score-version.h: New file.
2591 * config/score/t-score-elf: New file.
2592 * config.gcc: Add score*-*-* configurations(Update before).
2593 * doc/invoke.texi (Score Options): New section.
2594 * doc/md.texi (Score family): New section to document constraints.
2596 2006-10-19 Nick Clifton <nickc@redhat.com>
2598 * config/arm/arm.c: Fix spelling typo.
2600 2006-10-18 Tom Tromey <tromey@redhat.com>
2602 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2604 2006-10-18 Jan Hubicka <jh@suse.cz>
2607 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2610 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2612 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2613 TSI_SAME_STMT, since that's the desired entity.
2615 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2617 * config/s390/contraints.md: New file.
2618 * config/s390/s390-protos.h (s390_mem_constraint,
2619 s390_O_constraint_str, s390_N_constraint_str,
2620 s390_float_const_zero_p): Function prototypes added.
2621 * config/s390/s390.c (s390_extra_constraint_str,
2622 s390_const_double_ok_for_constraint_p,
2623 s390_const_ok_for_constraint_p): Functions removed.
2624 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2625 s390_float_const_zero_p): New functions.
2626 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2627 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2628 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2629 Macro definitions removed.
2630 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2631 s390_extra_constraint_str): Functions removed.
2633 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2634 Richard Sandiford <richard@codesourcery.com>
2637 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2638 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2640 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2642 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2643 (DWARF2_FRAME_REG_OUT): Likewise.
2644 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2645 (DWARF2_FRAME_REG_OUT): Likewise.
2647 2006-10-17 Paul Brook <paul@codesourcery.com>
2649 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2651 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2653 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2654 Standardize on "GNU Fortran" as the official name of the Fortran
2657 2006-10-16 Mike Stump <mrs@apple.com>
2659 * doc/invoke.texi (Darwin Options): Document -mkernel.
2660 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2662 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2663 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2664 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2665 (OS_MISSING_ALTIVEC): Add.
2666 * config/i386/i386.c (override_options): Add
2667 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2668 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2669 -mkernel, -static or -mdynamic-no-pic is given.
2670 (C_COMMON_OVERRIDE_OPTIONS): Add.
2671 * config/darwin.opt (fapple-kext): Add.
2673 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2674 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2676 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2677 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2678 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2679 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2680 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2681 (flag_mkernel): Add.
2682 (flag_apple_kext): Add.
2683 (TARGET_KEXTABI): Add.
2684 * config/darwin.c (darwin_handle_kext_attribute): Add.
2685 (DARWIN_VTABLE_P): Add.
2686 (darwin_binds_local_p): Add partial support for rebinding vtables
2688 (darwin_kextabi_p): Add.
2689 (darwin_override_options): Add.
2690 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2691 (darwin_kextabi_p): Add.
2692 (darwin_override_options): Add.
2693 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2694 __DYNAMIC__ and __STATIC__ here.
2696 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2698 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2699 Added mention of "make pdf" target, and Texinfo requirements for
2702 2006-10-16 DJ Delorie <dj@redhat.com>
2704 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2705 into the GOT in case we need a subreg of the address.
2707 2006-10-16 Richard Guenther <rguenther@suse.de>
2710 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2711 SSE builtin documentation. Document SSE2 builtins.
2713 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2715 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2716 symbol in the output file for non-shared links when -nostdlib or
2717 -nodefaultlibs isn't specified.
2719 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2720 posix thread support.
2722 2006-10-15 Jan Hubicka <jh@suse.cz>
2725 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2726 declared always_inline even when not inlining.
2728 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2729 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2730 Andrew Pinski <pinskia@gmail.com>
2733 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2735 2006-10-15 Jan Hubicka <jh@suse.cz>
2736 Richard Guenther <rguenther@suse.de>
2739 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2740 process_function_and_variable_attributes on all variables, including
2741 those discovered during cgraph construction phase.
2743 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2745 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2747 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2749 * config/i386/athlon.md (athlon_fist): Add fisttp.
2751 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2752 Ian Lance Taylor <ian@airs.com>
2755 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2756 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2759 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2761 * config/score/score.c, config/score/score.h: Fix comment
2764 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2770 2006-10-13 Eric Christopher <echristo@apple.com>
2772 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2774 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2777 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2778 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2779 alignment supported by 32-bit ELF.
2781 2006-10-13 Eric Christopher <echristo@apple.com>
2783 * config/darwin.c (darwin_emit_unwind_label): Strip
2784 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2786 2006-10-13 Richard Guenther <rguenther@suse.de>
2788 PR tree-optimization/29446
2789 * tree-vrp.c (fix_equivalence_set): Remove.
2790 (extract_range_from_assert): Do not call fix_equivalence_set.
2791 (debug_value_range): Print a newline.
2792 (compare_name_with_value): For equivalence sets with
2793 inconsistent value ranges conservatively bail out.
2794 (compare_names): Likewise.
2796 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2798 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2799 and MPFR for gfortran.
2801 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2803 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2804 alignment supported by 32-bit ELF.
2806 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2810 * c-typeck.c (digest_init): Always allow initializing vectors
2811 that have static storage duration with compound literals.
2812 * tree.c (build_type_attribute_qual_variant): New, based on
2813 build_type_attribute_variant.
2814 (build_type_attribute_variant): Rewrite using the former.
2815 (make_vector_type): Use build_type_attribute_qual_variant to build
2816 type variants. Use type_hash_canon on the others.
2818 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2819 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2821 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2823 2006-10-12 Jan Hubicka <jh@suse.cz>
2826 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2827 current_function_decl is set but current_function_scope is not.
2829 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2831 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2832 emit_insn to emit eh_return_internal instruction.
2833 (eh_return_internal): Explicitly set pc.
2835 2006-10-11 Richard Guenther <rguenther@suse.de>
2837 PR tree-optimization/28230
2838 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2839 to the correct place.
2841 2006-10-11 Richard Guenther <rguenther@suse.de>
2844 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2847 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2849 * configure.ac: Added pdf to "Make-hooks"
2850 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2851 targets and *.pdf file patterns in cleanup targets.
2852 * configure: Regenerated.
2854 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2856 * config/avr/predicates.md: New file.
2857 * config/avr/avr.md: Include it.
2858 (REG_SP): New constant.
2859 (peepholes): Use predicates.
2860 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2861 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2862 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2864 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2866 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2869 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2872 * builtins.c (var_decl_component_p): New function.
2873 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2874 single entry optimization to variables and components thereof.
2876 2006-10-10 Richard Guenther <rguenther@suse.de>
2878 PR rtl-optimization/29323
2879 * except.c (set_nothrow_function_flags): For functions
2880 that do not bind local bail out early.
2882 2006-10-10 Ben Elliston <bje@au.ibm.com>
2884 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2887 2006-10-09 Richard Henderson <rth@redhat.com>
2889 Revert emutls patch.
2891 2006-10-09 Richard Guenther <rguenther@suse.de>
2894 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2897 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2900 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2901 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2902 * configure: Regenerate.
2903 * config.in: Regenerate.
2905 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2907 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2909 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2911 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2912 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2913 Remove stray newline.
2915 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2917 * config/mips/mips.c (mips_classify_symbol): Do not return
2918 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2919 (mips_in_small_data_p): Tweak comments.
2921 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2923 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2925 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2927 * gimplify.c, sched-int.h: Fix comment typos.
2929 * sched-int.h: Fix comment typos.
2931 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2933 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2935 * sched-ebb.c (begin_schedule_ready): Use them.
2936 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2937 add_to_speculative_block, create_check_block_twin, speculate_insn,
2938 fix_jump_move, move_block_after_check): Ditto.
2939 * sched-rgn.c (new_ready): Ditto.
2941 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2943 PR rtl-optimization/29128
2944 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2945 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2946 allow interblock movement of speculation checks.
2948 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2951 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2952 casted to integer type.
2953 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2954 if they are significantly more expensive than [reg + index] ones.
2956 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2958 PR tree-optimization/29330
2959 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2960 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2961 on newly allocated ddrs.
2962 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2963 to VEC (loop_p, heap) pointer.
2964 (compute_data_dependences_for_loop): Adjust caller.
2965 (free_dependence_relations): Free DDR_LOOP_NEST.
2967 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2968 free DEPENDENCE_RELATIONS and DATAREFS.
2971 * builtins.c (expand_builtin_sync_operation,
2972 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2973 Use convert_to_mode to handle promoted arguments.
2975 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2977 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2979 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2981 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2983 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2985 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2986 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2987 Use <modeconstraint> instead of "r" as operand 1 constraint.
2989 2006-10-06 Olivier Hainque <hainque@adacore.com>
2991 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2992 Don't recurse on the pointed-to type.
2993 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2994 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2995 types with components of variable size.
2997 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2999 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3001 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3003 PR tree-optimization/29290
3004 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3008 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3009 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3012 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3013 the number of vector elements fill the rest with zeros.
3015 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3017 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3018 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3021 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3023 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3024 unnamed pattern into subsi3. Use correct constraints/predicates.
3025 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3026 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3028 2006-10-05 Ira Rosen <irar@il.ibm.com>
3030 * doc/loop.texi: Add data references analysis description.
3032 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3034 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3036 2006-10-04 Richard Henderson <rth@redhat.com>
3037 Jakub Jelinek <jakub@redhat.com>
3039 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3040 * builtin-types.def (BT_WORD): Make unsigned.
3041 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3042 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3043 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3044 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3045 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3046 * cgraph.c (decide_is_variable_needed): Look at force_output.
3047 Recurse for emulated tls.
3048 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3049 checks redundant with decide_is_variable_needed.
3050 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3051 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3053 * expr.c (emutls_var_address): New.
3054 (expand_expr_real_1): Expand emulated tls.
3055 (expand_expr_addr_expr_1): Likewise.
3056 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3057 * output.h (emutls_finish): Declare.
3058 * toplev.c (compile_file): Call it.
3059 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3060 address before wrapping in CONST.
3061 * varasm.c (emutls_htab, emutls_object_type): New.
3062 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3063 (get_emutls_object_name, get_emutls_object_type): New.
3064 (get_emutls_init_templ_addr, emutls_decl): New.
3065 (emutls_common_1, emutls_finish): New.
3066 (assemble_variable): When emulating tls, swap decls; generate
3067 constructor for the emutls objects.
3068 (do_assemble_alias): When emulating tls, swap decl and target name.
3069 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3071 * emutls.c: New file.
3072 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3073 tls_object for real tls.
3075 2006-10-04 Zack Weinberg <zackw@panix.com>
3077 Fix bug in constraint-check generator, reported by Rask Ingemann
3079 * genpreds.c (add_constraint): Don't remove anything from the
3081 (write_tm_constrs_h): Detect whether "op" argument is used, and
3082 mark it ARG_UNUSED if it isn't.
3083 (write_insn_const_int_ok_for_constraint): Skip the part of the
3084 expression that would test whether "op" (which is not available
3085 here) is a CONST_INT.
3087 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3090 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3092 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3094 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3095 current Leopard versions.
3096 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3098 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3100 * doc/install.texi: Fix typos.
3102 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3104 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3105 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3106 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3108 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3110 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3111 arg to be struct mach_header_64* instead.
3113 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3116 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3117 side effects after the outer expression's post side effects.
3119 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3121 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3122 comments to reflect actual behavior and relationship between
3123 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3125 * doc/c-tree.texi (Working with declarations): Fix documentation
3126 of FIELD_DECL likewise.
3128 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3131 * doc/extend.texi: Add used variable attribute description.
3133 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3136 * c.opt (Woverride-init): New.
3137 * c-opts.c (c_common_post_options): Default warn_override_init to
3139 * c-typeck.c (add_pending_init, output_init_element): Warn for
3140 overriding initializers without side effects.
3141 * doc/invoke.texi (-Woverride-init): Document.
3144 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3146 PR rtl-optimization/28096
3147 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3148 assignment has already been used as a destination earlier in the block.
3150 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3152 * builtins.c (expand_builtin_setjmp): Delete.
3153 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3154 <BUILT_IN_SETJMP_SETUP>: New case.
3155 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3156 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3157 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3158 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3159 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3160 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3161 (lower_function_body): Initialize it to false. If it is set to true
3162 at the end of the processing, emit the setjmp dispatcher.
3163 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3164 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3165 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3166 on the rhs of the assignment.
3167 (lower_builtin_setjmp): New function.
3168 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3169 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3170 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3171 to detect calls that can go to non-local labels. Use specific
3172 helper to create the abnormal edges associated with them.
3173 <MODIFY_EXPR>: Likewise.
3174 (make_abnormal_goto_edges): New function extracted from...
3175 (make_goto_expr_edges): ...here. Call it for computed gotos.
3176 (simple_goto_p): Minor tweak.
3177 (tree_can_make_abnormal_goto): New predicate.
3178 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3179 (tree_purge_dead_abnormal_call_edges): New function.
3180 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3181 (tree_purge_dead_abnormal_call_edges): Likewise.
3182 (make_abnormal_goto_edges): Likewise.
3183 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3184 Purge all dead abnormal edges if the call was in the last statement.
3185 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3186 (execute_fixup_cfg): If there are non-local labels in the function,
3187 scan the basic blocks and split them at calls that can go to non-local
3188 labels or add missing abnormal call edges. Write down the CFG in the
3190 (pass_fixup_cfg): Remove TODO_dump_func flag.
3191 * unwind-sjlj.c: Poison setjmp.
3192 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3193 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3194 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3195 (DONT_USE_BUILTIN_SETJMP): Document it.
3197 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3200 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3201 to 1 when __ppc64__ is defined.
3202 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3204 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3206 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3208 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3209 * config/ia64/unwind-hpux.c: Delete.
3211 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3213 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3214 on the element before gimplifying it, instead of punting if it is of
3217 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3219 * doc/loop.texi: New file.
3220 * doc/gccint.texi: Reference loop.texi.
3221 * Makefile.in (loop.texi): Add.
3223 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3225 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3227 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3228 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3230 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3232 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3234 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3236 * doc/install.texi: Document required versions of GMP and MPFR.
3238 2006-09-27 Paul Brook <paul@codesourcery.com>
3241 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3243 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3245 * reload1.c (alter_reg): Require the alignment of the stack slot to
3246 be at least reg_max_ref_width bytes.
3247 (scan_paradoxical_subregs): Record the largest width in
3250 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3254 * tree-nested.c (struct nesting_info): Added static_chain_added.
3255 (convert_call_expr): Set static_chain_added when adding static
3256 chain. Handle OMP_PARALLEL and OMP_SECTION.
3258 2006-09-25 Matthias Klose <doko@debian.org>
3260 * doc/invoke.texi: Add missing full stop.
3262 2006-09-25 Richard Henderson <rth@redhat.com>
3264 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3265 before cgraph_function_flags_ready.
3267 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3268 Adam Nemet <anemet@caviumnetworks.com>
3270 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3271 determine_common_wider_type): New functions.
3272 (get_computation_aff): Use them to simplify arithmetic between
3273 UBASE and CBASE if they are shortened from the same type.
3275 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3278 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3279 -2147483647 - 1 instead of 0x80000000.
3281 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3283 * flags.h (HONOR_NANS): Fix typo in comment.
3285 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3287 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3289 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3293 * tree.c (merge_attributes, attribute_list_contained): If both
3294 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3296 * c-typeck.c (comptypes_internal): Don't consider aggregates
3297 in different TUs as compatible if there one set of attributes is
3298 not a subset of the other type's attributes.
3299 (composite_type): Try harder not to create a new aggregate type.
3301 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3303 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3304 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3305 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3306 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3307 than replicating condition above.
3308 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3310 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3311 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3312 the linker by default.
3314 2006-09-22 Mike Stump <mrs@apple.com>
3316 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3319 2006-09-22 Richard Guenther <rguenther@suse.de>
3322 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3323 sort of stack variables stable.
3325 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3328 * explow.c (force_reg): Set REG_POINTER flag according to
3331 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3333 PR tree-optimization/28888
3334 * tree-if-conv.c (combine_blocks): Rewritten.
3335 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3336 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3338 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3340 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3343 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3345 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3347 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3349 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3351 2006-09-21 Roger Sayle <roger@eyesopen.com>
3354 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3355 dw_fde_current_label, to be the start of the function, i.e. the same
3356 value as dw_fde_begin.
3358 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3360 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3361 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3362 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3363 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3364 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3365 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3366 (abs<mode>2, neg<mode>2): Likewise.
3367 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3368 (*mips_abs_ps): New define_insn.
3370 2006-09-20 Josh Conner <jconner@apple.com>
3373 * calls.c (expand_call): Allow reuse of structure return stack
3376 2006-09-20 Paul Brook <paul@codesourcery.com>
3378 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3381 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3383 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3384 clean up terminology.
3386 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3389 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3390 with tablejumps in them.
3392 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3395 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3396 wrap it into TARGET_EXPR.
3398 2006-09-20 Eric Christopher <echristo@apple.com>
3400 * config/i386/i386.c (x86_fisttp): Remove.
3401 * config/i386/i386.h (x86_fisttp): Ditto.
3402 (TARGET_FISTTP): Ditto.
3404 2006-09-19 Eric Christopher <echristo@apple.com>
3406 * doc/tm.texi (OBJC_JBLEN): Describe.
3407 * config/i386/darwin.h (OBJC_JBLEN): Define.
3408 * config/rs6000/darwin.h: Ditto.
3410 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3412 PR rtl-optimization/21299
3413 * reload1.c (reload): Purge invalid ASMs in the final pass.
3415 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3418 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3419 pointers as legitimate constants.
3421 2006-09-19 Paul Brook <paul@codesourcery.com>
3424 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3426 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3428 PR tree-optimization/28887
3429 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3430 component parts from the reference.
3431 (gather_memory_references_ref): Record the reference without the
3432 nonaddressable component parts.
3434 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3437 * c-opts.c (c_common_handle_option): Ignore the -std options
3438 if the input language is assembly.
3440 2006-09-17 Ira Rosen <irar@il.ibm.com>
3443 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3445 (ptr_ptr_may_alias_p): Likewise.
3446 (record_record_differ_p): New function.
3447 (base_object_differ_p): Call record_record_differ_p.
3449 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3452 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3453 away for the expr argument.
3455 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3458 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3459 before using it for dumping after vectorizing loops.
3461 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3462 Jack Howarth <howarth@bromo.med.uc.edu>
3465 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3466 skip on error_mark_node.
3467 (rs6000_darwin64_record_arg_recurse): Likewise.
3469 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3471 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3472 * doc/rtl.texi: Remove related documentation.
3474 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3476 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3479 2006-09-15 Jim Wilson <wilson@specifix.com>
3481 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3482 Handle symbol offsets same as they are handled in ia64_expand_move
3485 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3487 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3488 Add forgotten parameter to the fprintf call.
3490 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3492 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3494 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3496 * doc/contrib.texi: Add my entry.
3498 2006-09-15 Nick Clifton <nickc@redhat.com>
3500 * doc/md.texi (Processor pipeline description): Fix typo in
3501 example of how to use the absence_set directive and reword the
3502 description to make it slightly easier to read.
3504 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3506 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3507 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3508 expanding the number of iterations.
3509 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3511 * cfgrtl.c (emit_insn_at_entry): New function.
3512 * rtl.h (emit_insn_at_entry): Declare it.
3513 * integrate.c (emit_initial_value_sets): Use it.
3515 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3517 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3519 (struct loop_work and related VEC declarations): Delete.
3520 (bfin_dump_loops): Print out new member bad.
3521 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3522 (bfin_scan_loop): Don't recurse.
3523 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3524 loops. No longer need to update outer loops if the current one is
3525 found bad. Move some validitiy checks to bfin_discover_loop.
3526 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3527 but changed not to check for nesting. Also changed to use the new bad
3529 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3530 time. Use bitmap based test to discover loop nesting.
3532 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3534 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3537 2006-09-14 Richard Guenther <rguenther@suse.de>
3538 Kazu Hirata <kazu@codesourcery.com>
3540 PR middle-end/28884.
3541 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3542 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3543 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3544 with TARGET_FUNCTION_VALUE.
3546 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3549 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3551 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3553 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3556 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3559 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3562 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3564 * basic_block.h (bb_has_eh_pred): Fix comment.
3566 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3568 * flow.c (calculate_global_regs_live): Invalidate eh registers
3569 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3570 (propagate_block): Handle eh registers as if they were set at basic
3572 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3574 * global.c (global_conflicts): Make eh registers to conflict with
3575 pseudos live at basic block begin.
3576 * basic_block.h (bb_has_eh_pred): New function.
3578 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3580 PR rtl-optimization/28982
3581 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3582 index of a PRE_MODIFY or POST_MODIFY address.
3583 * reload1.c (inc_for_reload): Use find_replacement on the original
3584 base and index registers.
3586 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3588 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3589 for -Os. Update __m128 alignment requirement.
3591 2006-09-13 Jan Hubicka <jh@suse.cz>
3593 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3595 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3597 PR rtl-optimization/28243
3598 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3599 the insn to which the note was originally attached.
3601 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3602 Roger Sayle <roger@eyesopen.com>
3604 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3605 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3606 on platforms that don't use dwarf for debug info.
3608 2006-09-12 Jason Merrill <jason@redhat.com>
3611 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3612 hard_frame_pointer_rtx after using it to update the frame pointer.
3614 2006-09-12 Roger Sayle <roger@eyesopen.com>
3616 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3617 (TARGET_ASM_CLOSE_PAREN): Likewise.
3618 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3619 (TARGET_ASM_CLOSE_PAREN): Likewise.
3621 2006-09-12 Roger Sayle <roger@eyesopen.com>
3624 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3625 frame information for frames larger than 512 Kbytes on Tru64 when
3626 using the native assembler.
3628 2006-09-12 Roger Sayle <roger@eyesopen.com>
3632 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3633 and symbols. Instead use the implementation from cse.c's hash_rtx.
3635 2006-09-12 Jan Hubicka <jh@suse.cz>
3637 PR rtl-optimization/28071
3638 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3639 (vect_transform_loop): Likewise.
3640 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3641 (new_loop_vec_info): Likewise.
3642 (destroy_loop_vec_info): Likewise.
3643 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3644 (create_stmt_ann): Likewise.
3645 (create_tree_ann): Rename to ...
3646 (create_tree_common_ann): ... this one; allocate only the common part
3648 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3649 (get_value_handle): Likewise.
3650 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3651 get_tree_common_ann.
3652 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3653 (vinfo_for_stmt): Use stmt annotations.
3654 * tree-flow.h (tree_ann_common_t): New type.
3655 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3656 (tree_ann, get_tree_ann, create_tree_ann): New.
3657 * tree-flow-inline.h (get_function_ann): Do more type checking.
3658 (stmt_ann): Likewise.
3659 (tree_ann): Rename to ...
3660 (tree_common_ann): ... this one; return ony common_ann
3661 (get_tree_ann): Rename to ...
3662 (tree_common_ann): This one; return only common_ann.
3663 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3666 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3668 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3669 with_cpu by default.
3671 * dwarf2out.c (dwarf_file_data): New.
3672 (enum dw_val_class): Add dw_val_class_file.
3673 (struct dw_val_struct): Add val_file.
3674 (file_table): Change to a hash table.
3675 (file_table_emitted): Delete.
3676 (file_table_last_lookup_index): Delete.
3677 (emitcount): Delete.
3678 (last_emitted_file): New.
3679 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3680 (init_file_table): Delete.
3681 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3682 (AT_addr): Add comment.
3686 (print_die): Handle dw_val_class_file.
3687 (print_dwarf_line_table): Update for new file table structure.
3688 (attr_checksum): Do checksum a filename.
3689 (same_dw_val_p, same_attr_p): Do compare a filename.
3690 (size_of_die): Handle dw_val_class_file.
3691 (value_format): Likewise.
3692 (output_die): Likewise. Also, call maybe_emit_file here.
3693 (struct file_info): Constify filenames. Make file_idx a pointer
3694 to a struct dwarf_file_data.
3695 (struct dir_info): Constify directory names. Remove 'used' field.
3696 (struct file_name_acquire_data): New.
3697 (file_name_acquire): New.
3698 (output_file_names): Modify to handle new file data structures.
3699 (add_src_coords_attributes): Use add_AT_file.
3700 (add_call_src_coords_attributes): Likewise.
3701 (dwarf2out_imported_module_or_decl): Likewise.
3702 (gen_subprogram_die): Modify for new file data structures.
3703 (gen_variable_die): Likewise.
3704 (file_table_eq): New.
3705 (file_table_hash): New.
3706 (file_table_last_lookup): New.
3707 (lookup_filename): Rewrite to handle new file data structures.
3708 (maybe_emit_file): Rewrite to handle new file data structures.
3709 (dwarf2out_source_line): Always call lookup_filename and
3711 (dwarf2out_init): Create file_table here.
3712 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3713 (file_table_relative_p): New.
3714 (dwarf2out_finish): Change detection of relative filenames
3715 to work with new file data structures. Move output_line_info call
3716 after debug_info output.
3718 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3723 * config/i386/i386.c (override_options): Always default to 16
3724 byte stack boundary.
3726 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3729 * var-tracking.c (dump_dataflow_set): Start dumping at
3731 (clobber_variable_part): Kill only the variable part in
3732 registers holding it, leaving other variables alone.
3734 2006-09-11 Josh Triplett <josh@freedesktop.org>
3736 * doc/extend.texi (Other Builtins): Actually use the macro
3737 argument in the documentation example for
3738 __builtin_types_compatible_p.
3740 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3742 PR rtl-optimization/28726
3743 * sched-deps.c (sched_analyze_reg): New function extracted from...
3744 (sched_analyze_1): ...here. Call it to analyze references to
3745 registers. Treat again writes to a stack register as writing to the
3747 (sched_analyze_2): ...and here. Call it to analyze references to
3748 registers. Treat again reads of a stack register as reading the
3751 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3752 David Edelsohn <edelsohn@gnu.org>
3755 * config/rs6000/spe.md (frob_df_di): Remove %H.
3756 (frob_di_df): Remove %H. Change evmergelo to mr.
3757 (frob_di_df_2): Remove %H. Change evldd to two loads.
3759 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3761 * doc/cpp.texi: Fix names of charset options.
3763 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3766 * config/i386/i386.c (override_options): Use 128-bit
3767 stack boundary always for 64bits.
3769 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3771 PR rtl-optimization/28636
3772 * combine.c (force_to_mode): Test for side-effects before
3773 substituting by zero.
3774 (simplify_shift_const): Likewise for zero or other constants.
3776 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3779 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3782 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3785 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3786 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3787 returned by mode_for_size, rather than the mode of src itself,
3788 to choose between 32-bit and 64-bit patterns.
3789 (mips_mem_fits_mode_p): New function.
3790 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3791 that the size of the source matches the size of the destination.
3792 (mov_<store>l, mov_<store>r): Likewise.
3794 2006-09-10 Eric Christopher <echristo@apple.com>
3796 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3799 2006-09-09 Eric Christopher <echristo@apple.com>
3802 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3805 2006-09-09 Roger Sayle <roger@eyesopen.com>
3806 Nicolas Setton <setton@adacore.com>
3808 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3810 2006-09-10 Andreas Schwab <schwab@suse.de>
3812 * config/m68k/m68k.md (bungt_rev): New pattern.
3814 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3815 Dale Johannesen <dalej@apple.com>
3818 * regclass.c (struct reg_pref): Update documentation.
3819 (regclass): Set prefclass to NO_REGS if memory is the best option.
3820 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3822 2006-09-08 Eric Christopher <echristo@apple.com>
3824 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3825 * config/t-slibgcc-darwin: Support x86_64 multilib.
3826 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3827 Return 1 for x86_64-darwin.
3828 * config/i386/t-darwin: Add m64 multilib.
3829 (LIB2_SIDITI_CONV_FUNCS): Use.
3830 (LIB2FUNCS_EXTRA): Ditto.
3831 * config/i386/darwin.h: Support x86_64.
3832 * config/i386/i386.c (override_options): Turn on flag_pic
3833 for x86_64-darwin. Disable flag_omit_pointer.
3834 (get_pc_thunk_name): Assert !TARGET_64BIT.
3835 (legitimate_address_p): Disable machopic addressing for
3837 (legitimize_pic_address): Ditto.
3838 (ix86_expand_move): Ditto.
3839 (ix86_expand_call): Ditto.
3840 (machopic_output_stub): Ditto.
3841 * config/darwin.c (machopic_select_section): Support literal16.
3842 (machopic_select_rtx_section): Ditto.
3843 * config/darwin-sections.def: Ditto.
3844 * config/darwin-64.c: New.
3846 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3849 * c-tree.h (struct c_arg_info): Add pending_sizes.
3850 * c-parser.c (c_parser_parms_declarator,
3851 c_parser_parms_list_declarator): Initialize pending_sizes.
3852 * c-decl.c (get_parm_info): Initialize pending_sizes.
3853 (get_parm_info): Set pending_sizes.
3854 (grokdeclarator): Call put_pending_sizes for parameters for
3855 function definition only.
3857 2006-09-07 Jason Merrill <jason@redhat.com>
3860 * varasm.c (output_constant): Only strip actual no-op conversions.
3863 * config/i386/i386.c (override_options): Use 128-bit
3864 stack boundary if -msse.
3866 2006-09-07 Eric Christopher <echristo@apple.com>
3868 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3870 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3873 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3875 * dwarf2out.c: Remove strange characters from comment above
3876 dwarf2out_frame_debug_expr.
3878 2006-09-07 Eric Christopher <echristo@apple.com>
3880 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3881 * config/darwin.h: ... to here.
3883 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3885 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3887 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3888 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3890 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3891 TARGET_PARTIAL_FLAG_REG_STALL.
3892 (*ashldi3_cconly_rex64): Likewise.
3893 (*ashlsi3_cmp): Likewise.
3894 (*ashlsi3_cconly): Likewise.
3895 (*ashlsi3_cmp_zext): Likewise.
3896 (*ashlhi3_cmp): Likewise.
3897 (*ashlhi3_cconly): Likewise.
3898 (*ashlqi3_cmp): Likewise.
3899 (*ashlqi3_cconly): Likewise.
3900 (*ashrdi3_cmp_rex64): Likewise.
3901 (*ashrdi3_cconly_rex64): Likewise.
3902 (*ashrsi3_cmp): Likewise.
3903 (*ashrsi3_cconly): Likewise.
3904 (*ashrsi3_cmp_zext): Likewise.
3905 (*ashrhi3_cmp): Likewise.
3906 (*ashrhi3_cconly): Likewise.
3907 (*ashrqi3_cmp): Likewise.
3908 (*ashrqi3_cconly): Likewise.
3909 (*lshrdi3_cmp_rex64): Likewise.
3910 (*lshrdi3_cconly_rex64): Likewise.
3911 (*lshrsi3_cmp): Likewise.
3912 (*lshrsi3_cconly): Likewise.
3913 (*lshrsi3_cmp_zext): Likewise.
3914 (*lshrhi3_cmp): Likewise.
3915 (*lshrhi3_cconly): Likewise.
3916 (*lshrqi2_cmp): Likewise.
3917 (*lshrqi2_cconly): Likewise.
3919 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3922 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3923 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3924 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3925 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3926 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3927 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3928 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3929 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3930 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3931 implement only CC setting effects of shift instructions.
3933 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3935 * doc/contrib.texi: Add myself.
3937 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3940 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3941 was set by the user.
3943 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3946 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3947 (divsi_inv_m1): Use them.
3948 (UNSPEC_DIV_INV_TABLE): New constant.
3950 2006-09-06 James E Wilson <wilson@specifix.com>
3953 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3954 then call count_or_remove_death_notes.
3956 2006-09-06 Jason Merrill <jason@redhat.com>
3959 * tree-inline.c (copy_result_decl_to_var): New fn.
3960 (declare_return_variable): Use it. Call declare_inline_vars here.
3961 (expand_call_inline): Not here.
3963 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3965 * doc/contrib.texi: Update my entry.
3967 2006-09-06 Nick Clifton <nickc@redhat.com>
3969 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3971 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3974 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3975 (canonicalize_induction_variables): Likewise.
3976 (tree_unroll_loops_completely): Likewise.
3977 (tree_ssa_prefetch_arrays): Likewise.
3978 (remove_empty_loops): Likewise.
3979 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3980 TODO_cleanup_cfg instead of directly calling
3981 cleanup_tree_cfg_loop.
3982 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3984 (tree_unroll_loops_completely): Likewise.
3985 (remove_empty_loops): Likewise.
3986 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3987 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3988 of tree_ssa_unswitch_loops.
3989 (tree_ssa_loop_ivcanon): Use the return value of
3990 canonicalize_induction_variables.
3991 (tree_ssa_empty_loop): Use the return value of
3993 (tree_complete_unroll): Use the return value of
3994 tree_unroll_loops_completely.
3995 (tree_ssa_loop_prefetch): Use the return value of
3996 tree_ssa_prefetch_arrays.
3997 * passes.c (execute_todo): Before Cleanup CFG, set
3998 updating_used_alone and after cleanup CFG, call
3999 recalculate_used_alone.
4001 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4004 * tree-vect-transform.c (vectorizable_condition): Move the check
4005 for the type after the check for simple condition.
4007 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4008 Kaz Kojima <kkojima@gcc.gnu.org>
4011 * mode-switching.c (optimize_mode_switching): Make the destination
4012 block of an abnormal edge have no anticipatable mode. Don't
4013 insert mode switching code at the end of the source block of
4016 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4018 PR rtl-optimization/26847
4019 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4020 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4021 (simplify_plus_minus): Count n_constants while filling ops. Replace
4022 qsort with insertion sort. Before going through the array to simplify
4023 pairs, sort it. Delay early exit until after the first sort, exiting
4024 only if no swaps occurred. Simplify pairs in reversed order, without
4025 special-casing the first iteration. Pack ops after simplifying pairs.
4027 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4029 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4030 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4031 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4032 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4034 2006-09-05 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/28900
4037 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4038 compound conditional before creating COND_EXPR condition.
4040 2006-09-05 Richard Guenther <rguenther@suse.de>
4042 PR tree-optimization/28905
4043 * tree-vrp.c (fix_equivalence_set): Manually implement
4044 !value_ranges_intersect_p to also handle symbolic ranges.
4046 2006-09-05 Richard Guenther <rguenther@suse.de>
4049 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4052 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4054 PR rtl-optimization/27616
4055 * cse.c (table_size): New static variable.
4056 (new_basic_block): Initialize it to 0.
4057 (remove_from_table): Decrement it.
4058 (insert): Increment it.
4059 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4060 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4061 fold_rtx_mem_1 if under the cap.
4062 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4063 the lookup of the equivalent expression and test for equality of the
4064 first operand of the equivalent expression before in turn looking up
4065 an equivalent constant for the second operand.
4067 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4070 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4071 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4072 pointer, instead of assuming it is possible to derive the
4073 correct args size from a call insn.
4075 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4078 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4079 (fold_builtin_mempcpy): Rename to...
4080 (fold_builtin_memory_op): ... this. Optimize one element copy
4082 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4084 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4085 (expand_builtin_memcpy, expand_builtin_mempcpy,
4086 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4087 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4088 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4089 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4091 2006-09-01 DJ Delorie <dj@redhat.com>
4093 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4094 (stzx_16): Likewise.
4095 ("stzx_24_<mode>"): Likewise.
4096 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4097 ("cmp<mode>_op"): New.
4098 (cmp<mode>): Change to expander; just save operands.
4100 (b<code>): Change to expander, emit compare here.
4101 (s<code>_op): Change to use split and expander.
4102 (s<code>_24_op): Likewise.
4103 (s<code>_<mode>): New.
4104 (s<code>_<mode>_24): New.
4105 (movqicc_<code>_<mode): New.
4106 (movhicc_<code>_<mode>): New.
4109 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4110 (m32c_pend_compare): New.
4111 (m32c_unpend_compare): New.
4112 (m32c_expand_scc): New.
4113 (m32c_expand_movcc): Emit the compare also.
4114 * config/m32c/predicates.md (mra_nopp_operand): New.
4116 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4117 Richard Guenther <rguenther@suse.de>
4118 Adam Nemet <anemet@caviumnetworks.com>
4121 * builtins.c (get_pointer_alignment): Handle more forms
4122 of base addresses that can be used to derive more precise
4123 information about alignment.
4125 2006-09-01 Jason Merrill <jason@redhat.com>
4128 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4131 * gimplify.c (voidify_wrapper_expr): Handle null type.
4133 2006-09-01 Josh Conner <jconner@apple.com>
4136 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4137 (execute_return_slot_opt): Use it.
4139 2006-08-31 Josh Conner <jconner@apple.com>
4142 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4143 returning aggregates.
4145 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4147 PR tree-optimization/28839
4148 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4149 blocks in that phi arguments appear.
4151 2006-08-31 Roger Sayle <roger@eyesopen.com>
4154 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4155 NULL, otherwise use an advance_loc4 to adjust relative to the
4157 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4158 (dwarf2out_switch_text_section): Reset the current label to avoid
4159 using advance_loc4 over section boundaries.
4161 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4164 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4165 r12 + SYMBOLIC_CONST.
4167 2006-08-30 Richard Guenther <rguenther@suse.de>
4169 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4171 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4173 PR rtl-optimization/27735
4174 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4175 Add new argument to keep track of whether an irreducible region
4176 was affected. All callers changed.
4177 (fix_irreducible_loops): Removed.
4178 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4179 flags were invalidated.
4181 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4183 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4184 instead of SF operands.
4185 (*fop_df_comm_sse): Likewise.
4186 (*fop_df_comm_i387): Likewise.
4187 (*fop_df_1_mixed): Likewise.
4188 (*fop_df_1_sse): Likewise.
4190 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4191 J"orn Rennecke <joern.rennecke@st.com>
4193 PR tree-optimization/17506
4194 * tree-ssa.c (warn_uninit): If warning about a location outside of
4195 the current function, note where the variable was declared.
4197 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4199 PR tree-optimization/28411
4200 * double-int.c (double_int_div): Use double_int_divmod.
4201 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4202 double_int_mod, double_int_smod, double_int_umod): New functions.
4203 * double-int.h (double_int_divmod, double_int_sdivmod,
4204 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4206 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4208 (get_computation_aff, get_computation_cost_at): Handle double_int
4209 return type of constant_multiple_of.
4211 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4214 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4215 an implicit conversion.
4217 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4219 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4221 2006-08-27 Roger Sayle <roger@eyesopen.com>
4223 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4226 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4228 * config/i386/crtfastmath.c: Fix a comment typo.
4230 2006-08-26 Roger Sayle <roger@eyesopen.com>
4232 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4233 temporary visit flags on CASE_LABEL_EXPRs.
4234 * c-common.c (match_case_to_enum): Add function comment. Avoid
4235 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4236 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4237 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4238 a constant, only warn if that constant value isn't handled.
4240 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4243 * input.h (restore_input_file_stack): Declare.
4244 (INPUT_FILE_STACK_BITS): Define.
4245 * toplev.c (fs_p, input_file_stack_history,
4246 input_file_stack_restored, restore_input_file_stack): New.
4247 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4248 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4249 (pop_srcloc): Don't free old state of stack.
4251 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4254 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4255 (PowerPC Type Attributes): New.
4257 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4259 * config/xtensa/xtensa.c (function_arg_boundary): New.
4260 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4262 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4263 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4265 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4268 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4271 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4273 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4274 (verify_local_live_at_start): Likewise.
4276 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4279 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4280 omp_add_variable): Treat sizes as variable whenever not
4283 2006-08-26 Richard Guenther <rguenther@suse.de>
4286 * fold-const.c (fold_binary): Fold temporary to correct
4287 type before constructing new comparison.
4289 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4292 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4293 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4295 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4298 * c-decl.c (start_function): Don't try to process prototype
4299 information from old declaration that isn't a function.
4301 2006-08-25 Jan Hubicka <jh@suse.cz>
4304 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4306 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4309 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4312 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4314 PR tree-optimization/16876
4315 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4316 exit if PARM doesn't match VALUE.
4318 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4320 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4321 literal_prefix directive.
4322 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4323 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4324 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4326 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4329 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4330 predicate to general_operand. Add 0->y and I->r alternatives.
4332 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4334 * doc/tm.texi: Fix a typo.
4335 * predict.c: Fix comment typos.
4337 2006-08-25 Nick Clifton <nickc@redhat.com>
4339 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4340 assertions of "cpu" and "machine".
4342 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4345 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4346 the access through a base which has an alias set of 0 cannot
4349 2006-08-24 Bill Wendling <wendling@apple.com>
4351 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4353 2006-08-24 Jan Hubicka <jh@suse.cz>
4355 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4357 2006-08-24 Jan Hubicka <jh@suse.cz>
4360 * cgraph.c: Fix comments.
4361 (cgraph_varpool_mark_needed_node): Mark only variables not already
4363 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4364 (cgraph_varpool_assembled_nodes_queue): New static variable.
4365 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4366 (cgraph_varpool_output_debug_info): New function.
4367 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4368 * Makefile.in: Add gt-cgraphunit.h
4370 2006-08-24 Jan Hubicka <jh@suse.cz>
4372 * predict.c (probability_reliable_p): New predicate.
4373 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4374 (predict_loops): Do not predict loop exit with less than 2%
4376 * basic-block.h (edge_probability_reliable_p,
4377 br_prob_note_reliable_p): Declare.
4378 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4379 prediction when static predictor is not reliable.
4380 * rs6000.c (output_cbranch): Likewise.
4382 2006-08-23 Stuart Hastings <stuart@apple.com>
4385 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4386 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4388 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4391 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4392 complex values, nor for generic vector values.
4394 2006-08-22 Richard Guenther <rguenther@suse.de>
4397 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4398 parameter. Convert arguments to arithmetic expression to the
4400 (analyze_scalar_evolution_1): Adjust caller.
4402 2006-08-22 Jan Hubicka <jh@suse.cz>
4404 Patch by Paolo Bonzini
4405 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4408 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4410 PR tree-optimization/28003
4411 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4412 before grouping aliases.
4414 2006-08-22 Roger Sayle <roger@eyesopen.com>
4416 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4417 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4419 2006-08-21 Jason Merrill <jason@redhat.com>
4422 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4423 wrapper. Loop to handle nested wrappers.
4424 (gimplify_bind_expr): Remove temp parameter.
4425 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4426 and STATEMENT_LIST on the rhs.
4427 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4428 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4429 (gimplify_target_expr): Remove special BIND_EXPR handling.
4431 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4433 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4436 2006-08-21 Olivier Hainque <hainque@adacore.com>
4438 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4439 Arrange for the temporary captures of components overlapping the lhs
4440 to happen before the lhs is possibly cleared.
4442 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4444 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4445 necessary places to pass the correct "number of registers" values
4448 2006-08-20 Jan Hubicka <jh@suse.cz>
4450 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4451 (create_name_tags): Instead of quadratic checking use hashtable.
4452 * bitmap.h: Include hashtab.h.
4453 (bitmap_hash): Declare.
4454 * bitmap.c (bitmap_hash): New function.
4456 2006-08-20 Jan Hubicka <jh@suse.cz>
4458 PR rtl-optimization/28071
4459 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4461 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4462 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4463 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4464 cgraph_decide_inlining_incrementally): Update use of
4465 cgraph_check_inline_limits.
4466 * cgraph.c (edge_hash, edge_eq): New function.
4467 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4468 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4469 cgraph_remove_node): Maintain call site hash.
4470 * cgraph.h (struct cgraph_node): Add call_site_hash.
4471 (cgraph_set_call_stmt): New function.
4473 2006-08-20 Jan Hubicka <jh@suse.cz>
4475 PR rtl-optimization/28071
4476 * reload1.c (reg_has_output_reload): Turn into regset.
4477 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4478 choose_reload_regs, emit_reload_insns): Update to new
4479 reg_has_output_reload.
4481 2006-08-20 Jan Hubicka <jh@suse.cz>
4484 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4485 function body sizes.
4486 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4488 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4491 * tree.c (handle_dll_attribute): Return early if not a
4492 var or function decl.
4494 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4497 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4498 alignment of SPE vector types.
4500 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4502 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4504 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4507 * cgraph.h (struct cgraph_node): Remove externally_visible
4509 * cgraphunit.c (process_function_and_variable_attributes): Set
4510 local.externally_visible rather than externally_visible.
4513 * c-common.c (handle_externally_visible_attribute): First look
4514 at TREE_CODE and only if it is function or var decl, check for
4515 non-public objects. Don't warn for DECL_EXTERNAL.
4516 * cgraphunit.c (process_function_and_variable_attributes): Warn
4517 if externally_visible attribute is used on non-public object.
4519 2006-08-17 Jan Hubicka <jh@suse.cz>
4521 PR tree-optimization/27865
4522 * reload1.c (forget_marked_reloads): New function.
4523 (forget_old_reloads_1): When data are passed, just mark the registers
4525 (reload_as_needed): Use the new mechanizm.
4527 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4530 * reload.h (reg_equiv_alt_mem_list): New declaration.
4531 * reload1.c (reg_equiv_alt_mem_list): New definition.
4532 (reload): Initialize it and release it.
4533 (delete_output_reload): Use it.
4534 * reload.c (push_reg_equiv_alt_mem): New function.
4535 (find_reloads_toplev): Call it.
4536 (find_reloads_address, find_reloads_address_1): Likewise.
4537 (find_reloads_subreg_address): Likewise.
4539 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4541 PR rtl-optimization/28489
4542 * sched-ebb.c (begin_schedule_ready): Create basic block
4544 (advance_target_bb): Skip empty blocks.
4545 * haifa-sched.c (bb_note): Make global.
4546 * sched-int.h (bb_note): Add prototype.
4548 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4550 PR tree-optimization/27865
4551 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4553 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4554 fold_used_pointer, pointer_used_p): New functions.
4555 (analyze_scalar_evolution_1): Use fold_used_pointer.
4556 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4557 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4560 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4563 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4564 or the INTEGER_CST. Fail on a CALL_EXPR.
4565 (fold_offsetof): Pass new argument to fold_offsetof_1.
4566 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4567 operand into an INDIRECT_REF.
4568 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4570 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4572 PR gcov/profile/26570
4573 * value-prof.c (static_values): Removed.
4574 (tree_find_values_to_profile): Do not set static_values.
4575 (find_values_to_profile): Do not free static_values.
4576 * profile.c (instrument_values): Do not free the values.
4577 (branch_prob): Free the values.
4579 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4581 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4583 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4586 * c-typeck.c (build_component_ref): Combine qualifiers of
4587 structure or union and field.
4589 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4591 PR rtl-optimization/28071
4592 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4593 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4594 * tree-into-ssa.c (struct dom_dfsnum): New.
4595 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4597 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4598 compute_global_livein.
4599 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4600 in phi nodes in the correct blocks.
4602 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4604 PR tree-optimization/28364
4605 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4607 (fold_affine_expr): New function.
4608 (may_eliminate_iv): Use fold_affine_expr.
4610 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4613 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4616 2006-08-16 Mike Stump <mrs@apple.com>
4618 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4619 * doc/cppopts.texi (-MD): Likewise.
4621 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4624 * c-common.c (handle_weak_attribute): Ignore and warn if
4625 not a FUNCTION_ or VAR_DECL.
4627 2006-07-15 Mike Stump <mrs@apple.com>
4630 * c-parser.c (c_parser_typeof_specifier): Don't use
4631 c_finish_expr_stmt, open code desired semantics instead.
4633 2006-08-15 Nick Clifton <nickc@redhat.com>
4635 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4636 fragment to tmake_file only if threads are enabled.
4637 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4638 * config/i386/t-gthr-win32: New file. ... here.
4640 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4643 * c-parser.c (c_parser_compound_statement_nostart): Reset
4644 parser->error after each statement.
4646 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4649 * omp-low.c (lower_omp_parallel): Convert t to
4650 receiver_decl's type.
4651 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4652 source before comparison.
4655 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4656 to itype in assignment to oldival2.
4658 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4662 * c-typeck.c (build_compound_expr): If the second expression
4663 is an error mark, then just return an error mark instead of
4664 creating a COMPOUND_EXPR.
4666 2006-07-14 Mike Stump <mrs@apple.com>
4668 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4670 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4672 * c-decl.c, var-tracking.c: Fix comment typos.
4674 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4676 PR rtl-optimization/28634
4677 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4678 for floating-point modes unless flag_unsafe_math_optimizations.
4680 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4681 Andrew Pinski <pinskia@physics.uc.edu>
4684 * tree.c (build_array_type): Unify array types with
4685 unspecified index_type.
4686 * c-decl.c (grokdeclarator): Make sure we do not modify a
4687 unified incomplete array type.
4688 * c-typeck.c (store_init_value): Create distinct type before
4689 filling in the index type in an initializer from a compound
4692 * c-decl.c (grokdeclarator): Remove code where we copy the
4695 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4697 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4698 into account for TODO_dump_cgraph.
4699 (TODO_update_ssa_no_phi): Likewise.
4700 (TODO_update_ssa_full_phi): Likewise.
4701 (TODO_update_ssa_only_virtuals): Likewise.
4702 (TODO_remove_unused_locals): Likewise.
4703 (TODO_set_props): Likewise.
4704 (TODO_update_stmt_usage): Likewise.
4706 2006-08-13 Dirk Mueller <dmueller@suse.de>
4708 * c-common.c (strict_aliasing_warning): Fix formatting.
4710 2006-08-13 Matthias Klose <doko@debian.org>
4712 * doc/invoke.texi: Fix spelling errors.
4714 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4716 PR rtl-optimization/23454
4717 * reorg.c (relax_delay_slots): Update comment.
4719 2006-08-11 Richard Guenther <rguenther@suse.de>
4722 * simplify-rtx.c (simplify_const_relational_operation):
4723 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4726 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4728 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4729 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4731 2006-08-10 Paul Brook <paul@codesourcery.com>
4733 * final.c (final_scan_insn): Clear current_insn_predicate before
4734 outputting inline asm.
4736 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4738 PR tree-optimization/26197
4739 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4740 get_ref_base_and_extent and overlap_subvar to add only relevant
4741 subvars as may-aliases.
4742 (add_may_alias_for_new_tag): New function, factored out of
4744 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4745 with additional argument.
4746 * tree-flow.h (new_type_alias): Takes additional argument.
4748 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4750 * gcov.c (no_data_file): New flag.
4751 (read_count_file): Set it if data file not present. Assume counts
4753 (output_lines): Don't name the data file, if there wasn't one.
4755 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4757 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4758 (rs6000_generate_compare): Tweak comments.
4759 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4761 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4763 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4764 (var_debug_decl): New function.
4765 (var_reg_set): Follow debug decl link. Add location even if
4766 reg is already known to hold some other variable.
4767 (var_mem_set): Follow debug decl link.
4768 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4769 decl link. Delete other known locations of the variable part
4771 (var_reg_delete, var_mem_delete): Delete other known locations
4772 of the variable part if requested.
4773 (same_variable_part_p): New function.
4774 (add_stores): Select MO_COPY when appropriate.
4775 (vt_initialize): Handle it.
4776 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4777 known locations for MO_SET and MO_CLOBBER.
4778 (find_variable_location_part): New function.
4779 (set_variable_part, delete_variable_part): Use it.
4780 (clobber_variable_part): New function.
4781 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4784 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4786 PR tree-optimization/26969
4787 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4788 with an empty list of PHIs.
4790 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4794 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4797 2006-08-06 Andreas Schwab <schwab@suse.de>
4799 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4800 string. Whitespace and comment fixup.
4802 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4805 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4809 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4812 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4814 2006-08-04 Jan Hubicka <jh@suse.cz>
4818 * reload.c (push_reload): Patch out the mismatching instruction;
4820 (find_reload): Bail out if the instruction was patched out.
4822 2006-08-04 Jan Hubicka <jh@suse.cz>
4824 PR tree-optimization/24888
4825 * tree-inline.c (expand_call_inline): Do not re-record variables.
4826 (declare_inline_vars): Add variable to unexpanded_var_list.
4828 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4829 Roger Sayle <roger@eyesopen.com>
4831 PR rtl-optimization/26244
4832 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4833 inner_const are negative or greater than or equal to the bitsize of
4834 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4835 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4836 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4837 CONST0_RTX (mode) when the new shift count is greater than or equal to
4838 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4841 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4843 * tree-cfg.c: Fix a comment typo.
4845 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4848 * varasm.c (output_constant): Give the front end another chance to
4849 expand constants, after stripping NOPs.
4851 2006-08-03 Jan Hubicka <jh@suse.cz>
4853 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4856 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4858 PR tree-optimization/27770
4859 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4860 declaration removed (moved to tree-flow.h).
4861 (vect_can_force_dr_alignment_p): Likewise.
4862 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4863 (moved from tree-vectorizer.h).
4864 (vect_can_force_dr_alignment_p): Likewise.
4865 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4866 from outside the vectorizer - in particular from cgraph stage.
4867 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4868 the alignment of global arrays when -fsection-anchors is enabled.
4869 * cgraphunit.c (cgraph_increase_alignment): New function.
4870 (cgraph_optimize): Call cgraph_increase_alignment.
4872 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4875 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4876 not reload a SPE symbol_ref into a lo_sum address.
4878 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4881 * dwarf2out.c (prune_unused_types_prune): Move call to
4882 prune_unused_types_update_strings to cover the parent DIE also.
4884 2006-08-02 Jan Hubicka <jh@suse.cz>
4886 PR gcov/profile/28480
4887 * tree-cfg.c (change_bb_for_stmt): New function.
4888 (tree_merge_blocks, tree_split_blocks): Use it.
4890 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4896 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4897 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4898 (cgraph_optimize): Likewise.
4900 2006-08-01 Stuart Hastings <stuart@apple.com>
4902 * rtl.h (UINTVAL) New.
4903 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4904 * testsuite/gcc.dg/20060801-1.c: New.
4906 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4909 * c-typeck.c (build_external_type): Mark used enum types.
4910 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4912 (gen_subprogram_die): Whitespace fix.
4914 2006-08-01 Jan Hubicka <jh@suse.cz>
4916 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4917 bitmap when not needed.
4918 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4921 2006-08-01 Dirk Mueller <dmueller@suse.de>
4923 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4925 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4927 * Makefile.in: Revert part of previous patch:
4928 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4931 2006-07-30 Eric Christopher <echristo@apple.com>
4934 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4935 (PowerPC Variable Attributes): New section.
4937 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4939 PR target/28126 (partial fix)
4940 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4942 2006-07-28 Jan Hubicka <jh@suse.cz>
4944 PR rtl-optimization/28071
4945 * cfgrtl.c (rtl_delete_block): Free regsets.
4946 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4948 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4950 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4951 and variables used in dependencies.
4953 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4955 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4956 %fs for -mcmodel=kernel.
4957 (stack_tls_protect_test_di): Likewise.
4959 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4961 * Makefile.in: Use mkinstalldirs.
4963 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4966 * opts-common.c (prune_options): Skip joined switches.
4968 2006-07-27 Jan Hubicka <jh@suse.cz>
4970 PR rtl-optimization/28071
4971 * cselib.c (cselib_process_insn): Don't remove useless values too
4972 often for very large hashtables.
4974 2006-07-27 Jan Hubicka <jh@suse.cz>
4976 PR rtl-optimization/28071
4977 * global.c (greg_obstack): New obstack.
4978 (allocate_bb_info): Use it.
4979 (free_bb_info): Likewise.
4980 (modify_reg_pav): Likewise.
4982 2006-07-27 Roger Sayle <roger@eyesopen.com>
4984 * builtins.c (fold_fixed_mathfn): When long and long long are the
4985 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4986 functions to their lceil*, lfloor*, lround* and lrint* forms.
4988 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4991 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4993 (rev_branch_insn): Likewise.
4995 2006-07-27 Jan Hubicka <jh@suse.cz>
4997 PR rtl-optimization/28071
4998 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4999 (reg_set_in_bb, max_reg_computed): New static variables.
5000 (regmove_optimize): Free the new array.
5001 (fixup_match_1): Update call of reg_is_remote_constant_p.
5003 2006-07-26 Jan Hubicka <jh@suse.cz>
5005 PR tree-optimization/27882
5006 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5008 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5010 (cgraph_analyze_compilation_unit): Likewise.
5011 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5012 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5013 (cgraph_early_inlinine): Make order garbage collected.
5014 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5016 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5018 * dbxout.c (output_types_sort): Add a comment.
5019 (output_used_types): Free the VEC.
5021 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5023 * function.c (reorder_fix_fragments): Delete.
5024 (reorder_blocks): Don't call it.
5025 (reorder_blocks_1): Put all subblocks under the origin block.
5027 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5029 PR rtl-optimization/27907
5030 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5033 2006-07-25 Roger Sayle <roger@eyesopen.com>
5036 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5037 bar(x) check that bar's result type can represent all the values of T.
5039 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5041 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5043 2006-07-25 Nick Clifton <nickc@redhat.com>
5045 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5046 size_lookup[] array.
5047 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5048 (ggc_pch_count_object): Likewise.
5049 (ggc_pch_alloc_object): Likewise.
5050 (ggc_pch_write_object): Likewise.
5051 (init_ggc): Do not attempt to initialize entries in the
5052 size_lookup[] array for objects whose size is greater than than
5053 the length of the array.
5055 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5057 * dbxout.c (output_used_types_helper): Push queued types
5059 (output_types_sort): New.
5060 (output_used_types): Collect used types on a VEC and sort them
5063 2006-07-24 Richard Guenther <rguenther@suse.de>
5066 * cgraph.c (cgraph_remove_node): Do not check if dumps
5068 * cgraphunit.c (cgraph_optimize): Likewise.
5070 2006-07-24 Jan Hubicka <jh@suse.cz>
5072 PR rtl-optimization/28071
5073 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5074 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5075 splitting before first stmt.
5077 2006-07-24 Jan Hubicka <jh@suse.cz>
5079 PR rtl-optimization/28071
5080 * ipa-inline.c (update_caller_keys): Remove edges that
5081 are no longer inline candidates.
5083 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5086 * dbxout.c (output_used_types_helper, output_used_types): New.
5087 (dbxout_symbol): Call output_used_types.
5089 2006-07-23 Jan Hubicka <jh@suse.cz>
5093 * cgraph.c (cgraph_varpool_nodes): Export.
5094 (decide_is_variable_needed): Ignored "used" attribute in
5095 unit-at-a-time mode.
5096 * cgraph.h (cgraph_varpool_nodes): Declare.
5097 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5098 unit-at-a-time mode.
5100 2006-07-23 Roger Sayle <roger@eyesopen.com>
5103 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5104 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5105 the __gthrw form of thr_keycreate.
5106 (__gthread_key_delete): Silence the unused argument warning.
5108 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5111 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5112 Cache the last found '\0' marker to avoid quadratic behavior.
5114 2006-07-23 Jan Hubicka <jh@suse.cz>
5116 * i386.md (subsi_3_zext): Fix output template.
5118 2006-07-21 Mike Stump <mrs@apple.com>
5120 * doc/invoke.texi (C++ Dialect Options): Note that
5121 -fvisibility-inlines-hidden doesn't affect explicitly
5122 instantiationed inline methods.
5124 2006-07-20 Roger Sayle <roger@eyesopen.com>
5126 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5127 if the target assembler is GNU binutils' gas.
5128 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5129 whether to pass GNU gas or native as command line options.
5131 2006-07-20 Jason Merrill <jason@redhat.com>
5133 * tree.c (remove_attribute): New fn.
5134 * tree.h: Declare it.
5136 2006-07-20 Paul Brook <paul@codesourcery.com>
5139 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5140 they are invalidated by this instruction.
5142 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5145 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5147 2006-07-20 Eric Christopher <echristo@apple.com>
5150 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5152 2006-07-19 Eric Christopher <echristo@apple.com>
5154 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5155 Rewrite dependencies for libgcc_s.1.dylib.
5157 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5159 * except.c (duplicate_eh_regions_1): Clear next_peer.
5161 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5163 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5164 -mlongcall does not guarantee all calls will be long.
5165 * doc/extend.texi (long_call/short_call): Document that longcall
5166 does not guarantee a long call will be used.
5167 (longcall/shortcall): Likewise.
5169 2006-07-18 Roger Sayle <roger@eyesopen.com>
5172 * expmed.c (expand_shift): Additionally check that the shift_cost
5173 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5174 before implementing a LSHIFT_EXPR as a sequence of additions.
5175 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5176 middle-end that DImode shifts need to be synthesized by expand.
5178 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5181 * tree-ssa-operands.c (access_can_touch_variable): Update
5183 Return true if ALIAS is .GLOBAL_VAR.
5185 2006-07-18 David Daney <ddaney@avtrex.com>
5187 * gcc.c (display_help): Fix typo in help text.
5189 2006-07-18 Olivier Hainque <hainque@adacore.com>
5191 * tree.h (categorize_ctor_elements): Adjust prototype and add
5192 descriptive comment, both in accordance with the interface change
5194 * varasm.c (constructor_static_from_elts_p): New function.
5195 Whether a constructor node is a valid static constant initializer
5196 if all its elements are.
5197 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5198 * output.h: Declare it.
5199 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5200 is a valid constant initializer instead of computing the number of
5201 non-constant elements. Use constructor_static_from_elts_p for this
5202 purpose. Replace the head comment with an indication that this is a
5203 helper for categorize_ctor_elements.
5204 (categorize_ctor_elements): Same interface change as for the _1
5205 helper. Former head comment from this helper moved here, adjusted to
5206 account for the interface changes.
5207 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5208 (all_zeros_p): Likewise.
5209 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5210 static versions of the constructor from the categorize_ctor_elements
5211 return value instead of the formerly computed number of non-constant
5214 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5216 * configure: Regenerate.
5217 * Makefile.in (build_libsubdir): New configure substitution
5218 (build_libobjdir): New variable.
5219 (BUILD_LIBIBERTY): Use it.
5221 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5224 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5226 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5229 * c-common.c (handle_weakref_attribute): Ignore attribute in
5230 the same conditions the alias attribute is ignored.
5232 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5234 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5235 (dbxout_begin_prologue): Increment scope_labelno.
5237 2006-07-17 Richard Henderson <rth@redhat.com>
5240 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5243 2006-07-17 Roger Sayle <roger@eyesopen.com>
5244 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5246 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5247 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5248 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5249 functions such as sbrk, write, etc.. Add function prototypes.
5250 Convert function declarations from K&R to ISO C. Cast pointers
5251 to "long" and "unsigned long" instead of "int" and "unsigned int".
5252 Convert tokens following #endif into comments.
5254 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5256 * invoke.texi: Remove mention of f77; Reformat table for
5257 inline parameter options correctly; mention that -malign-double
5258 is default on x86-64 targets.
5260 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5262 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5263 (convert_affine_scev, chrec_convert_aggressive): Use
5264 avoid_arithmetics_in_type_p. Do not check for the subtypes
5267 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5270 * optabs.c (expand_doubleword_shift): Wrap the call to
5271 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5273 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5276 * optabs.c (expand_binop): Pass next_methods rather than methods
5277 to expand_doubleword_shift.
5279 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5282 * tree.h (dump_addr): Declare.
5283 * print-tree.c (dump_addr): New function.
5284 (print_node_brief, print_node): Use it.
5285 * print-rtl.c (print_rtx): Likewise.
5286 * common.opt (-fdump-noaddr): New option.
5287 * doc/invoke.texi (-fdump-noaddr): Document.
5288 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5289 (ve_info_hash): Likewise.
5291 2006-07-13 Andrew Haley <aph@redhat.com>
5293 PR tree-optimization/19505
5294 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5295 edge leaving this block, make sure that the destination of this
5296 block has only one predecessor.
5298 2006-07-17 Richard Guenther <rguenther@suse.de>
5300 PR tree-optimization/28238
5301 * tree-inline.c (copy_bb): Check if we produced valid
5302 gimple copying and substituting a stmt. If not, gimplify
5305 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5307 * optabs.c (maybe_encapsulate_block): New function extracted from...
5308 (emit_libcall_block): ...here. Invoke it on the block of insns to
5309 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5310 (emit_no_conflict_block): Likewise.
5312 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5314 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5316 2006-07-15 Roger Sayle <roger@eyesopen.com>
5318 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5319 a new NOP_EXPR case of the switch statement.
5321 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5324 * stor-layout.c (place_field): Take the bit field with
5325 an excessive size into account in the ms-bitfiled case.
5328 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5329 the previous bit field.
5331 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5334 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5336 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5338 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5339 signal frames correctly even when the signal was installed with
5342 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5344 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5345 (dbxout_function_end): Use local label LFBB. Remove hook
5347 (dbxout_source_line): Use local label LFBB.
5348 (dbxout_block): Likewise.
5349 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5350 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5351 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5352 and DBX_OUTPUT_NFUN.
5354 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5356 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5358 2006-07-13 Jan Hubicka <jh@suse.cz>
5360 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5362 * output.h (align_variable): Declare.
5363 * varasm.c (align_variable): Export.
5364 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5365 when basic block changed.
5367 2006-07-13 Nick Clifton <nickc@redhat.com>
5369 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5370 walking the LOG_LINKS chain.
5372 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5374 * doc/invoke.texi (C++ Dialect Options): Explain difference
5375 between -fvisibility-inlines-hidden and setting hidden
5376 visibility explicitly.
5378 2006-07-12 Eric Christopher <echristo@apple.com>
5380 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5381 (stmp-lipo): Depend on libgcc.a.
5383 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5385 * tree.c: Fix a comment typo.
5387 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5389 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5391 (umulhisi3_r): Likewise.
5393 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5396 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5397 x < 19, vs wchar_t support.
5399 2006-07-12 Nick Clifton <nickc@redhat.com>
5401 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5402 instead of -isa=sh4.
5404 2006-07-12 Mike Stump <mrs@apple.com>
5406 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5408 2006-07-10 Eric Christopher <echristo@apple.com>
5410 * config/t-slibgcc-darwin: Rewrite.
5412 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5415 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5418 2006-07-08 Matthias Klose <doko@debian.org>
5420 * doc/sourcebuild.texi: Fix typo.
5422 2006-07-07 Mike Stump <mrs@apple.com>
5424 * toplev.c (process_options): Don't give -ffunction-sections may
5425 affect debugging warning for Mach-O.
5427 2006-07-07 James E Wilson <wilson@specifix.com>
5429 * config/mips/mips.md (cpu): Add sb1a.
5430 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5431 addition to sb1. Adjust comments to clarify SB-1A differences from
5433 (ir_sb1a_load): New. Modify bypasses to use it.
5434 (ir_sb1a_simple_alu): Likewise.
5435 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5436 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5437 (mips_issue_rate): Add PROCESSOR_SB1A.
5438 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5439 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5440 (TARGET_SB1): Add PROCESSOR_SB1A check.
5441 (TUNE_SB1): Likewise.
5443 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5444 * config/mips/mips.c (mips_store_data_bypass_p): New.
5445 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5446 store_data_bypass_p.
5448 2006-07-08 Paul Brook <paul@codesourcery.com>
5451 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5453 2006-07-07 Richard Guenther <rguenther@suse.de>
5456 * tree.h (build_one_cst): Declare.
5457 * tree.c (build_one_cst): New function.
5458 * tree-ssa-math-opts.c (get_constant_one): Remove.
5459 (insert_reciprocals): Use build_one_cst.
5460 * fold-const.c (fold_plusminus_mult): Likewise.
5462 2006-07-07 Roger Sayle <roger@eyesopen.com>
5464 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5465 * cfgloopanal.c (dump_graph): Likewise.
5466 * dojump.c (discard_pending_stack_adjust): Likewise.
5467 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5469 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5470 * function.c (finalize_block_changes): Likewise.
5471 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5472 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5473 * rtl.c (dump_rtx_statistics): Likewise.
5474 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5476 * varray.c (dump_varray_statistics): Likewise.
5477 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5478 decode_decimal64, encode_decimal128, decode_decimal128,
5479 decimal_real_to_decimal): Likewise.
5481 2006-07-07 Richard Guenther <rguenther@suse.de>
5483 PR tree-optimization/28187
5484 * tree-vrp.c (vrp_operand_equal_p): New function.
5485 (vrp_bitmap_equal_p): Likewise.
5486 (update_value_range): Use them to compare old and new
5489 2006-07-06 Roger Sayle <roger@eyesopen.com>
5491 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5492 a default case to switch statement to silence compiler warnings.
5494 2006-07-06 Roger Sayle <roger@eyesopen.com>
5497 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5498 the configured assembler supports the x87's ffreep mnemonic.
5499 * configure: Regenerate.
5500 * config.in: Regenerate.
5502 * config/i386/i386.c (output_387_ffreep): New function.
5503 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5504 (output_387_reg_move): Likewise.
5506 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5508 Port to hosts whose 'sort' and 'tail' implementations
5509 treat operands with leading '+' as file names, as POSIX
5510 has required since 2001. However, make sure the code still
5511 works on pre-POSIX hosts.
5512 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5513 which says you should use "tail -c +N" rather than "tail +Nc".
5514 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5516 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5518 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5521 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5524 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5525 PRE_{INC,DEC} of TFmode.
5527 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5528 Alan Modra <amodra@bigpond.net.au>
5531 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5534 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5537 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5538 Remove duplicate gtu.
5540 2006-07-05 Jason Merrill <jason@redhat.com>
5544 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5545 * c-common.c (handle_packed_attribute): So don't copy it here.
5546 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5548 2006-07-05 Mike Stump <mrs@apple.com>
5550 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5552 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5555 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5557 2006-07-05 Richard Guenther <rguenther@suse.de>
5560 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5561 TARGET_SSE2 targets if using SSE math.
5562 (*absdf2_1): Likewise.
5564 2006-07-05 Richard Guenther <rguenther@suse.de>
5566 PR tree-optimization/28162
5567 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5568 make sure to convert the operands to the correct type.
5570 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5572 PR tree-optimization/28218
5574 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5575 to calculate and free the dominator information.
5577 2006-07-04 Peter O'Gorman <peter@pogma.com>
5579 * mklibgcc.in: chmod 644 before ranlib during install.
5581 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5582 J"orn Rennecke <joern.rennecke@st.com>
5584 * configure.ac (.eh_frame data check): Use diff -b.
5586 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5589 * Makefile.in (BUILD_RTL): Add build/vec.o.
5590 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5591 (build/genextract): Delete.
5592 (build/genautomata): Likewise.
5594 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5597 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5598 128-bit IBM long doubles for ABI_V4.
5600 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5602 * tree.c (range_in_array_bounds_p): New predicate.
5603 * tree.h (range_in_array_bounds_p): Declare it.
5604 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5605 return a less conservative answer.
5606 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5607 and flag 'is_group'.
5608 (IS_ELEMENT_FOR_GROUP): New macro.
5609 (FOR_EACH_ACTUAL_CHILD): Likewise.
5610 (next_child_for_group): New helper function.
5611 (can_completely_scalarize_p): Take into account groups.
5612 (sra_hash_tree): Handle RANGE_EXPR.
5613 (sra_elt_eq): Likewise.
5614 (lookup_element): Be prepared for handling groups.
5615 (is_valid_const_index): Delete.
5616 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5617 instead of is_valid_const_index.
5618 <ARRAY_RANGE_REF>: New case.
5619 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5620 is_valid_const_index.
5621 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5622 (scan_dump): Dump info for groups too.
5623 (decide_instantiation_1): Likewise.
5624 (decide_block_copy): Assert that the element is not a group.
5625 Propagate decision to groups.
5626 (generate_one_element_ref): Handle RANGE_EXPR.
5627 (mark_no_warning): Iterate over actual childs.
5628 (generate_copy_inout): Likewise.
5629 (generate_element_copy): Likewise.
5630 (generate_element_zero): Likewise.
5631 (generate_element_init_1): Likewise.
5632 (dump_sra_elt_name): Handle RANGE_EXPR.
5634 2006-07-03 Roger Sayle <roger@eyesopen.com>
5636 PR tree-optimization/26251
5637 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5638 (thread_block): When optimizing for size refuse to thread jumps
5639 that would require duplication of blocks other than redirection
5642 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5644 * configure.ac: Fix thinko in previous check-in.
5645 * configure: Regenerate.
5647 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5650 * configure.ac (for lang...): Simplify nesting of conditionals.
5651 Test subdir_requires for non-enabled languages. Move processing
5652 of lang_opt_files and lang_tree_fiels below that test.
5653 * configure: Regenerate.
5654 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5656 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5658 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5660 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5662 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5665 2006-06-29 Jason Merrill <jason@redhat.com>
5672 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5673 * c-common.c (c_determine_visibility): Handle it here.
5674 * c-decl.c (finish_decl): Call c_determine_visibility for
5676 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5678 * varasm.c (default_assemble_visibility): Likewise.
5679 * c-common.c (handle_visibility_attribute): Complain about trying
5680 to give visibility to an already defined class, or trying to change
5681 declared visibility. Always attach the attribute.
5686 * attribs.c (decl_attributes): Ignore type-in-place attributes
5687 once the type has been defined.
5689 2006-06-29 Roger Sayle <roger@eyesopen.com>
5692 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5693 to indicate the cpplib has issued an error message for us.
5695 2006-06-29 Asher Langton <langton2@llnl.gov>
5698 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5699 insert a label at the end of an function under Mach-O.
5701 2006-06-29 Eric Christopher <echristo@apple.com>
5702 Evan Cheng <evan.cheng@apple.com>
5704 * predicates.md (vector_all_ones_operand): New.
5705 (nonimmediate_or_sse_const_operand): Ditto.
5706 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5707 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5708 (standard_sse_mode_p): Ditto.
5709 (standard_sse_constant_p): Add case for -1 vector.
5710 (ix86_expand_vector_move): Try to use.
5711 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5712 Call standard_sse_constant_opcode.
5713 (*movv4sf_internal): Ditto.
5714 (*movv2df_internal): Ditto.
5716 2006-06-29 Roger Sayle <roger@eyesopen.com>
5718 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5719 of XEXP to extract the operands of a MATCH_CODE rtx.
5721 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5723 * tree.c (tree_size): Do not waste tail padding in
5724 struct tree_string and make the size be the same as
5725 build_string will generate.
5727 2006-06-28 Jason Merrill <jason@redhat.com>
5730 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5731 may_aliases already in the tag's annotations to the bitmap.
5733 2006-06-28 Roger Sayle <roger@eyesopen.com>
5735 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5737 2006-06-28 Roger Sayle <roger@eyesopen.com>
5739 * genpreds.c (generate_switch_p): New function.
5740 (add_mode_tests): Push the new mode test down inside an AND expr
5741 if this allows the switch-suitable MATCH_CODE to be near the root.
5742 (write_match_code_switch): New function to write a MATCH_CODE as
5744 (write_predicate_stmts): New function to write a predicate RTX
5745 expression as a sequence of statements.
5746 (write_one_predicate_function): Use write_predicate_stmts.
5747 (write_tm_constrs_h): Likewise.
5749 2006-06-26 Fred Fish <fnf@specifix.com>
5751 * config/mips/t-sb1: New file.
5752 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5755 2006-06-26 DJ Delorie <dj@redhat.com>
5757 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5759 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5760 Jayant Sonar <jayants@kpitcummins.com>
5761 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5763 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5764 (subsi3, subsi3_1, subsi3_2): New.
5765 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5766 * config/m32c/mov.md (SI mov peephole): New.
5767 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5768 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5770 2006-06-26 Olivier Hainque <hainque@adacore.com>
5772 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5773 a CALL_EXPR target function declaration.
5775 2006-06-26 Richard Guenther <rguenther@suse.de>
5777 * tree.c (build_string): Do not waste tail padding in
5780 2006-06-26 Richard Guenther <rguenther@suse.de>
5782 * ggc-page.c (init_ggc): Add missing element to size_lookup
5786 2006-06-23 Richard Guenther <rguenther@suse.de>
5788 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5789 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5790 alignment requests instead. Add verification code.
5791 Add struct tree_function_decl and struct tree_binfo size to
5792 extra_order_size_table. Add missing element to size_lookup
5795 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5798 * fold-const.c (const_binop): Be prepared for self returning zero.
5799 Simplify code handling complex values.
5801 2006-06-24 Olivier Hainque <hainque@adacore.com>
5803 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5804 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5807 2006-06-24 Olivier Hainque <hainque@adacore.com>
5809 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5810 ARRAY_REF, so have the callback called for the low bound expression.
5812 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5814 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5815 * c-typeck.c (c_common_type): Disallow operations on decimal float
5816 types and other float types.
5817 * convert.c (convert_to_real): Don't ignore conversions involving
5818 decimal float types.
5820 2006-06-23 Olivier Hainque <hainque@adacore.com>
5822 * tree.c (max_int_size_in_bytes): New function, inspired from
5823 code in function.c:assign_temp.
5824 * tree.h (max_int_size_in_bytes): Declare.
5825 * function.c (assign_temp): Use it.
5826 * gimplify.c (create_tmp_var): Relax the assertions on the type
5827 properties, not mandating constant size any more.
5828 (force_constant_size): New static function.
5829 (gimple_add_tmp_var): Use it, forcing variable size to a
5830 constant upper bound if it is not constant on entry.
5832 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5835 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5836 for initialization and setting of one_only flag to ...
5837 (i386_pe_encode_section_info): ...here.
5838 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5839 Recheck that the symbol has not been defined.
5841 2006-06-23 Richard Guenther <rguenther@suse.de>
5843 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5844 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5845 alignment requests instead. Add verification code.
5846 Add struct tree_function_decl and struct tree_binfo size to
5847 extra_order_size_table. Add missing element to size_lookup
5850 2006-06-22 Roger Sayle <roger@eyesopen.com>
5851 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5854 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5855 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5857 2006-06-23 Ben Elliston <bje@au.ibm.com>
5859 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5860 negate dn -- manipulate it directly.
5862 2006-06-22 Roger Sayle <roger@eyesopen.com>
5863 Steven Bosscher <stevenb.gcc@gmail.com>
5866 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5867 generated by gen_move_insn to add REG_LABEL notes if necessary.
5869 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5871 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5872 (leaf_entry): Remove use of MIN_ESA.
5874 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5876 PR rtl-optimization/28121
5877 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5880 2006-06-21 DJ Delorie <dj@redhat.com>
5882 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5884 (mulhisi3_r): Likewise.
5886 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5889 * coverage.c (coverage_counter_alloc): Leave the index type
5891 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5894 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5896 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5897 section from the "Options for Code Generation Conventions".
5899 2006-06-21 Richard Henderson <rth@redhat.com>
5903 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5905 (global_symbolic_operand): Allow weak symbols, even if local_p.
5907 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5909 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5910 (find_interesting_uses_address): Punt if above function returns true.
5912 2006-06-21 Richard Guenther <rguenther@suse.de>
5914 * configure: Regenerated.
5916 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5918 * config/mips/mips.c (function_arg): Where one part of a
5919 complex argument is in registers and the other part in the stack,
5920 return a REG not a PARALLEL.
5922 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5924 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5925 when cross-compiling. Do not substitute libstdcxx_incdir.
5926 * configure: Regenerated.
5928 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5930 * varasm.c (mergeable_string_section): Check for embedded NULs and
5931 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5932 rather than TREE_STRING_LENGTH bytes.
5934 2006-06-21 Richard Guenther <rguenther@suse.de>
5936 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5937 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5940 2006-06-21 Richrad Guenther <rguenther@suse.de>
5942 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5943 Limit iteration over the dominators.
5945 2006-06-20 Roger Sayle <roger@eyesopen.com>
5947 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5948 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5950 2006-06-20 Richard Guenther <rguenther@suse.de>
5951 Michael Matz <matz@suse.de>
5953 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5955 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5956 * et-forest.h (et_free_pools): Prototype new function.
5957 * et-forest.c (et_free_tree_force): Free parent occurrence.
5958 (et_free_pools): New function.
5959 * dominance.c (free_dominance_info): Free et-forest alloc
5962 2006-06-20 Roger Sayle <roger@eyesopen.com>
5964 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5965 integer modes, attempt to directly construct an integer constant.
5967 * fold-const.c (native_encode_vector): Determine the size of each
5968 element from the vector type instead of the first vector element.
5970 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5971 if all of its elements/components are constant.
5972 (build_constructor_from_list): Likewise.
5974 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5976 PR tree-optimization/27331
5977 * tree-data-ref.c (free_data_ref): New function.
5978 (create_data_ref): Fail if the data reference has unknown access
5980 (free_data_refs): Use free_data_ref.
5982 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5985 * tree-inline.c (setup_one_parameter): Strip useless
5986 type conversion before adding it to the IR.
5987 (declare_return_variable): Likewise.
5989 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5992 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5994 2006-06-19 Mike Stump <mrs@apple.com>
5996 * tree.c (variably_modified_type_p): VM arguments don't make the
5999 2006-06-19 Richard Guenther <rguenther@suse.de>
6001 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6002 type conversions after folding.
6004 2006-06-19 Richard Guenther <rguenther@suse.de>
6006 * ggc-page.c (extra_order_size_tab): Add entries with
6007 size of struct function and basic_block.
6008 (size_lookup): Extend to cover sizes up to 511.
6009 (ggc_alloc_stat): Adjust user.
6010 (ggc_pch_count_object): Likewise.
6011 (ggc_pch_alloc_object): Likewise.
6012 (ggc_pch_write_object): Likewise.
6014 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6016 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6017 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6020 2006-06-19 Denis Chertykov <denisc@overta.ru>
6022 * config/avr/libgcc.S : Correct my wrong previous commit.
6024 2006-06-19 Roger Sayle <roger@eyesopen.com>
6027 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6028 have stripped a SUBREG from the shift count, so we may need to
6029 convert_to_mode back to the type's mode before calling make_tree.
6030 Use new_amount instead of amount to avoid expanding a tree twice.
6032 2006-06-19 Richard Guenther <rguenther@suse.de>
6035 * fold-const.c (operand_equal_p): Check if the argument types
6036 have the same precision before stripping NOPs.
6038 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6040 Fix PR tree-optimization/27341
6041 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6043 * tree-complex.c (pass_lower_complex): Update SMT usage.
6045 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6047 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6048 Add a new alternative to the constraint strings. Add move of
6049 operand 1 to 3 to the splitter definition.
6050 ("doloop_si_long"): Second contraint alternative removed.
6052 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6054 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6055 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6057 (AVR_HAVE_MOVW) Define.
6058 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6059 (ASM_SPEC): Add avr25.
6060 (LINK_SPEC): Add avr25.
6061 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6062 (base_arch_s): Add new member 'have_movw_lpmx'.
6063 (avr_arch_types): Init 'have_movw_lpmx'.
6064 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6065 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6066 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6067 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6068 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6070 (avr_file_start): Do not output '.arh' derective.
6071 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6072 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6073 * config/avr/avr.md (mcu_enhanced): Delete.
6074 (mcu_have_movw): Define.
6075 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6076 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6077 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6078 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6079 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6080 attiny861 and at86rf401 devices.
6082 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6084 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6087 2006-06-17 Karl Berry <karl@gnu.org>
6089 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6090 doc/gccint.texi, doc/install.texi (@dircategory): Use
6091 "Software development" instead of "Programming", following
6092 the Free Software Directory.
6094 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6096 * config/i386/i386.c (legitimate_tls_address)
6097 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6098 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6099 (*tls_dynamic_gnu2_combine_64): Likewise.
6101 2006-06-16 Richard Guenther <rguenther@suse.de>
6104 * fold-const.c (negate_expr_p): Do not introduce undefined
6105 overflow in negating INTEGER_CSTs.
6106 (fold_negate_expr): Rename from negate_expr. Revert last
6107 change for folding BIT_NOT_EXPR. Change semantics to
6108 return NULL_TREE for non-simplified negations. Do not
6109 strip type conversions and unify type handling.
6110 (negate_expr): New function, wrap around fold_negate_expr
6111 but ensure building a tree always. Strip type conversions
6112 here, fold to result type.
6113 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6115 2006-06-16 Roger Sayle <roger@eyesopen.com>
6118 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6119 that (would) return their results in stack registers.
6121 2006-06-16 Michael Matz <matz@suse.de>
6122 Richard Guenther <rguenther@suse.de>
6124 * fold-const.c (fold_truthop): Only return new tree node if
6125 we canonicalized something.
6127 2006-06-16 Richard Guenther <rguenther@suse.de>
6129 * function.h (enum function_frequency): Move declaration
6130 out of struct function.
6131 (struct function): Move bool fields and the enum to the bitfield
6132 section. Reorder elements to avoid padding. Remove unused
6133 fields left over from the RTL inliner removal.
6134 * function.c (free_after_compilation): Do not zero removed fields.
6135 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6136 (ipa-type-escape.o): Likewise.
6138 2006-06-16 Richard Guenther <rguenther@suse.de>
6140 * cgraph.h (struct cgraph_local_info): Turn bool elements
6142 (struct cgraph_node): Likewise.
6143 (struct cgraph_varpool_node): Likewise.
6145 2006-06-15 Richard Guenther <rguenther@suse.de>
6147 * fold-const.c (fold_truth_not_expr): Rename from
6148 invert_truthvalue. Give it fold_* semantics to avoid
6150 (invert_truthvalue): New function. Wrapper around
6151 fold_truth_not_expr.
6152 (optimize_minmax_comparison): Avoid creating garbage.
6153 (fold_unary): Use fold_truth_not_expr for folding
6155 (fold_ternary): Replace uses of invert_truthvalue with
6156 fold_truth_not_expr where applicable.
6157 * tree.h (fold_truth_not_expr): Prototype.
6159 2006-06-16 Richard Guenther <rguenther@suse.de>
6161 PR tree-optimization/27781
6162 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6163 * ipa-pure-const.c (target.h): Include.
6164 (analyze_function): Do not analyze functions that do not
6167 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6170 * tree-dfa.c (referenced_vars_dup_list): Remove.
6171 (find_referenced_vars): Remove assert.
6172 (referenced_var_check_and_insert): Replace dup list with assert.
6173 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6174 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6176 2006-06-15 Richard Guenther <rguenther@suse.de>
6178 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6179 extra unused identifiers if not dumping.
6180 (create_variable_info_for): Likewise.
6182 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6184 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6185 (derive_constant_upper_bound): Derive more precise upper bound in
6186 common cases. Return type changed to double_int.
6187 (record_estimate): Reflect the changed return type of
6188 derive_constant_upper_bound.
6189 * double-int.c (double_int_zext, double_int_sext): Fix.
6191 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6193 * configure.ac (CFLAGS): Get them from the toplevel or from the
6194 configure invocation.
6195 * configure: Regenerate.
6196 * Makefile.in (CFLAGS): Substitute value provided by configure.
6198 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6201 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6202 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6203 rather than calling add_stmt on it.
6204 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6206 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6209 * reload1.c (reload): Remove registers returned by update_eliminables
6210 from used_spill_regs.
6212 2006-06-13 DJ Delorie <dj@redhat.com>
6214 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6216 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6218 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6219 html__strip_dir, html__mkdir_p. Enhance install-html target.
6220 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6221 * configure: Regenerate.
6223 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6225 * fold-const.c (fold_cond_expr_with_comparison): Check for
6226 Objective-C++ as language in deciding COND_EXPR transformation.
6228 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6231 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6232 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6233 * config/sh/lib1funcs.h (SL, SL1): Define.
6234 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6235 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6236 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6237 (OBJS_Os_4_200): New variable.
6238 ($(T)libgcc-Os-4-200.a): Use it.
6239 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6240 when dividing 1 and/or by 0.
6242 2006-06-13 Roger Sayle <roger@eyesopen.com>
6244 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6245 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6246 * configure: Regenerate.
6248 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6250 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6251 for real instruction.
6253 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6256 * haifa-sched.c (check_cfg): Handle special case.
6258 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6261 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6262 Add debug_info parameter. Chain the vars to the BLOCK instead
6263 of the BIND_EXPR if debug info are requested for them.
6264 (pop_gimplify_context): Adjust for above change.
6265 (gimple_add_tmp_var): Likewise.
6266 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6268 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6269 (convert_local_reference): Likewise.
6270 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6271 (finalize_nesting_tree_1): Request that debug info be emitted
6272 for debug_var_chain.
6274 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6276 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6277 for PR target/27863.
6279 2006-06-13 Richard Guenther <rguenther@suse.de>
6282 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6284 2006-06-13 Richard Guenther <rguenther@suse.de>
6286 PR tree-optimization/27830
6287 * tree-inline.c (copy_body_r): For copying the operand
6288 of an ADDR_EXPR make sure to fold &* afterwards.
6290 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6292 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6293 lvalues in the fb_none case with side-effects.
6295 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6297 * tree-flow.h: Remove the prototype for
6298 compute_phi_arg_on_exit.
6299 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6300 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6303 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6305 * builtins.c (expand_builtin_return_addr): Only use
6306 frame_pointer_rtx when count == 0 and we are expanding
6307 __builtin_return_address.
6309 2006-06-12 Fred Fish <fnf@specifix.com>
6311 * config/mips/mips.c (mips_file_start): Create special section
6312 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6314 2006-06-11 Eric Christopher <echristo@apple.com>
6317 * stor-layout.c (place_field): Remove check for
6318 remaining_in_alignment when aligning at the end of a run.
6320 2006-06-11 Eric Christopher <echristo@apple.com>
6323 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6326 2006-06-11 Roger Sayle <roger@eyesopen.com>
6329 Revert incorrect fix for PR target/27158
6330 2006-05-08 Roger Sayle <roger@eyesopen.com>
6331 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6332 of a reg_equiv_constant if the result is a legitimate constant.
6334 2006-06-11 Roger Sayle <roger@eyesopen.com>
6337 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6338 extract a CONST_VECTOR element and interpret it as an integer.
6339 (vspltis_constant): Use const_vector_elt_as_int instead of the
6340 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6341 * config/rs6000/predicates.md (easy_vector_const): Consider
6342 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6344 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6347 * stor-layout.c (update_alignment_for_field): Don't add extra
6348 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6351 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6353 * config/mips/t-rtems: Add EL/EB multilib variants.
6355 2006-06-09 Mike Stump <mrs@apple.com>
6357 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6359 2006-06-09 David Daney <ddaney@avtrex.com>
6361 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6363 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6365 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6367 2006-06-09 Richard Guenther <rguenther@suse.de>
6369 PR tree-optimization/26998
6370 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6371 of signed types, only TYPE_MIN_VALUE is special, but for both,
6372 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6373 in this case, as is -fwrapv.
6375 2006-06-08 Mike Stump <mrs@apple.com>
6378 * config/darwin.c (darwin_asm_output_anchor): Disable
6379 -fsection-anchors on darwin for now.
6380 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6381 * rs6000/rs6000.c (optimization_options): Likewise.
6383 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6386 * config/i386/i386.c (classify_argument): Skip fields with invalid
6389 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6391 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6392 (cse_insn): Likewise for the stack_pointer_rtx.
6394 2006-06-08 Roger Sayle <roger@eyesopen.com>
6396 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6397 conditions from floating point comparisons.
6399 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6402 * expmed.c (struct alg_hash_entry): Fix type of field T
6403 to match synth_mult argument.
6404 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6406 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6409 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6412 2006-06-08 Richard Guenther <rguenther@suse.de>
6415 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6416 only, if overflow is defined and not trapping.
6417 (negate_expr): Likewise.
6419 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6421 PR tree-optimization/27872
6422 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6423 flag on the new exit edge of the unrolled loop.
6425 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6427 PR rtl-optimization/26449
6428 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6430 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6433 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6434 referenced_variables with matching DECL_UID's.
6435 (find_referenced_vars): Make sure duplicate list is empty to start.
6436 (referenced_var_p): Remove.
6437 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6438 Check if var is in the list, and add if needed. Update the duplicate
6439 list if a different var is in the list with the same DECL_UID.
6440 (add_referenced_var): Call routine to check and insert.
6441 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6442 * tree-flow.h (referenced_vars_dup_list): External declaration.
6444 2006-06-07 Fred Fish <fnf@specifix.com>
6446 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6449 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6452 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6453 the imaginary and real parts of a clobbered register.
6454 Emit insn to set the imaginary part.
6456 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6458 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6459 in lieu of unwind-dw2-fde.c.
6461 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6463 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6465 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6468 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6469 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6470 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6471 V4SImode temporaries and operations instead.
6473 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6475 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6478 2006-06-06 Mike Stump <mrs@apple.com>
6480 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6481 installing during build.
6483 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6485 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6487 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6488 * config/ia64/ia64.c (params.h): New header.
6489 (ia64_optimization_options): New function to adjust parameters.
6490 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6491 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6492 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6494 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6496 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6498 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6501 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6503 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6504 Victor Kaplansky <victork@il.ibm.com>
6506 PR tree-optimization/26360
6507 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6510 2006-06-04 Roger Sayle <roger@eyesopen.com>
6511 Andrew Pinski <pinskia@physics.uc.edu>
6514 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6515 for LABEL_DECL before calling DECL_WEAK.
6518 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6519 LABEL_DECL and PARM_DECL.
6521 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6525 * c-decl.c (grokdeclarator): Disallow variably modified types at
6526 file scope. Avoid marking shared array type of constant size as
6529 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6532 * c-common.c (fold_offsetof_1): Handle static members.
6534 2006-06-04 Eric Christopher <echristo@apple.com>
6536 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6537 (debug_rli): Output value for remaining_in_alignment.
6538 (update_alignment_for_field): Unconditionalize
6539 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6540 extra alignment code.
6541 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6542 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6543 * tree.h (record_layout_info_s): Remove prev_packed.
6544 * doc/extend.texi (ms_struct): Add documentation of format.
6546 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6548 * tree.h: Declare folding_initializer.
6549 * builtins.c (fold_builtin_constant_p): Give definite answer
6550 if folding inside an initializer.
6551 * fold-const.c: Define folding_initializer.
6552 (START_FOLD_INIT): Save and then set folding_initializer.
6553 (END_FOLD_INIT): Restore folding_initializer.
6555 2006-06-04 Richard Guenther <rguenther@suse.de>
6557 PR tree-optimization/27039
6558 * fold-const.c (fold_comparison): Handle pointer comparison
6559 again for all comparison codes. Compare offsets in signed
6561 (fold_binary): Move code from here.
6563 2006-06-03 Roger Sayle <roger@eyesopen.com>
6566 * config/i386/i386.c (construct_container): Split static issued_error
6567 flag into issued_sse_arg_error, issued_sse_ret_error and
6568 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6569 requires the use of x87 registers and the user explicitly
6570 specified the -mno-80387 command line option.
6572 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6574 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6575 HAVE_DECL_SIGALTSTACK.
6577 (segv_handler): Use MC_FLD.
6578 * configure.ac: Check for a sigaltstack declaration.
6579 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6580 * configure: Regenerate.
6581 * config.in: Regenerate.
6583 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6586 * Makefile.in (stmp-fixinc): Fix typo.
6588 2006-06-02 Roger Sayle <roger@eyesopen.com>
6590 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6591 are type correct. Clean-up.
6592 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6593 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6595 2006-06-01 DJ Delorie <dj@redhat.com>
6597 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6598 shift, as we've disabled the "switch" insn that needs it.
6600 2006-06-01 Per Bothner <bothner@bothner.com>
6602 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6603 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6604 * c-ppoutput.c (cb_define): Don't increment line 0.
6606 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6608 * doc/invoke.texi: Add cpu_type power6.
6609 * config.gcc: Add cpu_type power6.
6610 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6611 to power5+ with Altivec.
6612 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6613 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6615 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6617 * config/avr/avr.h (SET_ASM_OP): Define.
6619 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6621 * config/bfin/bfin.c: Fix comment typos.
6623 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6626 * doc/install.texi: Document --enable-bootstrap and
6627 --disable-bootstrap.
6629 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6631 * doc/install.texi: Document that InfoZIP can replace jar.
6633 2006-05-31 Roger Sayle <roger@eyesopen.com>
6635 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6636 isn't available, directly generate the simpler x87 patterns without
6637 the (use (const_int 0)).
6638 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6639 implementation isn't available.
6640 (*negdf2_1): Likewise.
6641 (*negxf2_1): XF mode negation is always done using the x87.
6642 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6644 2006-05-31 Roger Sayle <roger@eyesopen.com>
6646 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6647 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6649 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6651 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6653 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6654 * config/bfin/bfin.c (basic-block.h): Include.
6655 (struct machine_function): New.
6656 (bfin_init_machine_status): New.
6657 (override_options): Initialize init_machine_status.
6658 (bfin_hardware_loop): New.
6659 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6660 (DEF_VEC_P (loop_info)): New.
6661 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6662 (struct loop_info): New.
6663 (loop_info): New typedef.
6664 (struct loop_work): New.
6665 (loop_work): New typedef.
6666 (DEF_VEC_O (loop_work)): New.
6667 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6668 (bfin_dump_loops): New.
6669 (bfin_bb_in_loop): New.
6670 (bfin_scan_loop): New.
6671 (bfin_optimize_loop): New.
6672 (bfin_reorg_loops): New.
6673 (bfin_reorg): Use bfin_reorg_loops.
6674 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6676 (I_REGNO_P): Simplify.
6677 (DP_REGNO_P, DPREG_P): New macros.
6678 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6679 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6680 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6681 Add LT_REGS, LC_REGS, LB_REGS.
6682 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6684 (REGNO_REG_CLASS): Deal with loop registers.
6685 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6687 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6688 New constants for loop registers.
6689 (UNSPEC_LSETUP_END): New.
6690 (seq_insns): New define_attr. Set it for appropriate insns.
6691 (movsi_insn): Add alternatives for move from/to
6692 loop count registers.
6693 (doloop_end): New define_expand.
6694 (loop_end): New define_insn.
6695 (define_split for bad doloop_end): New.
6696 (lsetup_with_autoinit): New define_insn.
6697 (lsetup_without_autoinit): New define_insn.
6698 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6699 * config/bfin/predicates.md (lc_register_operand): New.
6700 (lt_register_operand): New.
6701 (lb_register_operand): New.
6702 (nondp_register_operand): New.
6703 (nondp_reg_or_memory_operand): New.
6704 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6706 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6708 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6709 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6711 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6713 * Makefile.in (CATALOGS): Add po/ prefix.
6714 * configure: Regenerated.
6716 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6719 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6720 a shift operand before calling shift_op. Avoid redundant call of
6723 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6724 DJ Delorie <dj@redhat.com>
6726 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6727 we're inserting is a singlt-bit constant.
6729 2006-05-30 Roger Sayle <roger@eyesopen.com>
6731 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6732 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6734 2006-05-30 Roger Sayle <roger@eyesopen.com>
6736 PR tree-optimization/23452
6737 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6738 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6739 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6740 complex values and with -ffast-math for FP complex values.
6742 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6744 * c-common.h: Remove the prototype for yyparse.
6745 * rtl.h: Remove the prototype for init_loop.
6747 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6749 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6752 2006-05-30 Roger Sayle <roger@eyesopen.com>
6754 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6756 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6757 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6759 2006-05-30 Dirk Mueller <dmueller@suse.de>
6762 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6763 for CONSTANT_CLASS_P expresisons.
6765 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6768 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6770 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6772 PR tree-optimization/27779
6773 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6774 initial_condition instead of CHREC_LEFT.
6776 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6778 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6779 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6780 Make prototypes ISO C90.
6782 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6783 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6785 * see.c (see_analyze_one_def): Correct check.
6786 (see_get_extension_data): Check if extension is parallel.
6787 (see_get_extension_reg): Likewise.
6789 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6792 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6793 into register for (code == GTU).
6795 2006-05-29 Roger Sayle <roger@eyesopen.com>
6797 PR tree-optimization/24964
6798 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6799 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6800 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6801 abs(x)*abs(x) as x*x for scalar floating point modes.
6803 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6806 * lambda-code.c (perfect_nestify): Don't copy statements
6807 in the inner loop: move them to the inner loop header.
6809 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6812 * c-tree.texi: Document OpenMP directives and clauses.
6814 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6816 * varasm.c (globalize_decl): Fix indentation.
6818 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6821 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6822 pass_fre, pass_store_ccp, pass_copy_prop,
6823 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6824 pass_return_slot, pass_object_size, pass_lim,
6825 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6826 pass_loop_prefetch and pass_stdarg.
6828 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6830 * config/bfin/bfin.opt (mfdpic): New option.
6831 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6832 (EXTRA_MULTILIB_PARTS): Likewise.
6833 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6834 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6836 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6837 (CRT_CALL_STATIC_FUNCTION): New.
6838 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6840 (CRT_CALL_STATIC_FUNCTION): New.
6841 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6843 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6844 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6845 (initialize_trampoline): Changed to handle FD-PIC code generation.
6846 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6847 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6848 (override_options): Disallow -mid-shared-library -mfdpic combination.
6849 Can't do unaligned ops if FD-PIC.
6850 Turn off flag_pic if trying to generate non-id-shared-library
6851 non-fdpic code, since it's not supported.
6852 (bfin_assemble_integer): New function.
6853 (TARGET_ASM_INTEGER): Define.
6854 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6856 * config/bfin/crtn.s: Restore them.
6857 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6859 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6860 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6861 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6862 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6863 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6865 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6866 FDPIC_REGS and FDPIC_FPTR_REGS.
6867 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6868 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6869 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6870 (load_funcdescsi): New pattern.
6871 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6872 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6873 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6875 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6877 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6880 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6882 * tree-flow.h: Remove the prototype for add_type_alias.
6883 * tree-ssa-alias.c (add_type_alias): Remove.
6885 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6887 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6888 config/fr30/fr30.md, config/i386/i386-interix.h,
6889 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6890 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6891 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6892 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6893 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6894 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6895 Follow spelling conventions.
6896 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6897 Follow spelling conventions.
6899 2006-05-27 Richard Guenther <rguenther@suse.de>
6902 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6903 to produce a constant of value 1 of generic type.
6905 2006-05-27 Dirk Mueller <dmueller@suse.de>
6907 * cgraphunit.c (decide_is_function_needed): Fix wrong
6910 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6912 PR rtl-optimization/27661
6913 * reload.c (find_reloads): When reloading a VOIDmode constant
6914 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6915 use Pmode as mode of the reload register.
6917 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6919 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6920 is enabled at -O and above.
6922 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6925 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6928 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6931 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6932 for anonymous variables explicitly declared by front ends.
6934 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6936 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6937 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6938 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6939 ref-all pointers, run a finalization pass for them.
6940 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6941 (finalize_ref_all_pointers): New function.
6942 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6943 regular pointer type to a ref-all pointer type.
6944 (get_tmt_for): Return the special memory tag for ref-all pointers.
6946 2006-05-25 Richard Guenther <rguenther@suse.de>
6949 * fold-const.c (fold_binary): Do not look at the stripped
6950 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6952 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6954 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6955 for LT and GT if the computed range is effectively empty.
6957 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6960 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6961 mips_quad_format formats instead of ieee_single_format,
6962 ieee_double_format and ieee_quad_format formats, respectively.
6964 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6966 PR tree-optimization/27639
6967 PR tree-optimization/26719
6968 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6969 call to scev_probably_wraps_p.
6970 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6971 used_in_pointer_arithmetic_p, convert_step): Removed.
6972 (nowrap_type_p): New function.
6973 (scev_probably_wraps_p): Rewritten.
6974 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6975 chrec_convert if chrec_convert_aggressive might have been used.
6976 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6977 scev_direction): New functions.
6978 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6979 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6980 instead of convert_step.
6981 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6982 (convert_step): Declaration removed.
6983 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6985 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6987 * df-core.c: Added to header comments.
6988 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6989 df_ur_bb_info, df_urec_bb_info): Added comments.
6990 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6991 urec, ri problems): Fixed header comments.
6992 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6993 code from df_rd_transfer_function.
6995 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6997 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6998 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6999 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7001 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7003 * expr.c (undefined_operand_subword_p): New.
7004 (emit_move_multi_word): Do not generate move from undefined bits
7005 of a paradoxical subreg.
7007 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7009 PR rtl-optimization/27736
7010 * combine.c (replaced_rhs_value): New variable.
7011 (combine_instructions): Set it.
7012 (distribute_notes): When distributing a note in replaced_rhs_insn,
7013 check whether the value was used in replaced_rhs_value.
7015 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7018 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7019 add_referenced_var instead of add_referenced_tmp_var.
7020 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7021 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7023 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7024 tree_optimize_tail_calls_1): Use add_referenced_var.
7025 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7026 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7027 Use add_referenced_var.
7028 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7029 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7030 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7031 Use add_referenced_var.
7032 * tree-dfa.c (struct walk_state): Remove.
7033 (find_referenced_vars): Remove walk state and vars_found hash table.
7034 (make_rename_temp): Use add_referenced_var.
7035 (find_vars_r): Pass less parameters to add_referenced_var.
7036 (referenced_var_p): New. Is var in referenced_var hash table.
7037 (referenced_var_insert): Assert var isn't already in hash table.
7038 (add_referenced_var): Don't need walk_state parameter. Add var if it
7039 isn't already in the hash table.
7040 (add_referenced_tmp_var): Remove.
7041 (find_new_referenced_vars_1): Use add_referenced_var.
7042 * tree-ssa-pre.c (create_expression_by_pieces,
7043 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7044 Use add_referenced_var.
7045 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7046 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7047 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7049 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7050 vect_create_data_ref_ptr, vect_create_destination_var,
7051 vect_init_vector, vect_build_loop_niters,
7052 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7053 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7054 Use add_referenced_var.
7055 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7056 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7057 (add_referenced_var): Add prototype.
7058 * tree-ssa-structalias.c (get_constraint_for,
7059 intra_create_variable_infos): Use add_referenced_var.
7061 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7063 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7064 big-endian paradoxical subregs.
7065 * var-tracking.c (struct micro_operation_def): Document that,
7066 for modify micro operations, insn is the subsequent instruction.
7067 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7068 (var_reg_set, var_mem_set): ... new functions.
7069 (add_stores): Record subsequent insn.
7070 (compute_bb_dataflow): Use new functions for MO_USE.
7071 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7072 notes after the insn, and modify notes before the insn known
7073 to be the subsequent one.
7074 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7076 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7079 * config/i386/i386.c (ix86_expand_builtin): Use
7080 gen_sse3_monitor64 for TARGET_64BIT.
7082 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7084 PR rtl-optimization/26375
7085 PR rtl-optimization/26855
7086 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7088 (df_ru_bb_local_compute): Reversed statements and removed bogus
7089 comment explaining why they should be in wrong order.
7090 (df_ru_dump, df_rd_dump): Enhanced debug info.
7091 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7093 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7094 reaching uses and fixed space problem.
7096 2006-05-23 Jan Hubicka <jh@suse.cz>
7098 * cgraphunit.c (decide_is_function_needed): Also nested functions
7099 and functions declared inline can be optimized out at -O0.
7101 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7103 * doc/install.texi (Configuration): Remove reference to CrossGCC
7107 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7110 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7111 ix86_compare_emitted is non-NULL.
7113 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7116 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7119 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7121 PR rtl-optimization/25514
7122 * combine.c (replaced_rhs_insn): New variable.
7123 (combine_instructions): Set replaced_rhs_insn when trying to replace
7124 a SET_SRC with a REG_EQUAL note.
7125 (distribute_notes): Use replaced_rhs_insn when determining the live
7126 range of a REG_DEAD register.
7128 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7129 Anatoly Sokolov <aesok@post.ru>
7131 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7132 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7133 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7134 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7135 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7136 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7137 at90usb647, at90usb1286 and at90usb1287 devices.
7138 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7139 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7141 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7143 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7145 2006-05-22 Richard Guenther <rguenther@suse.de>
7148 2006-01-31 Richard Guenther <rguenther@suse.de>
7149 Paolo Bonzini <bonzini@gnu.org>
7151 * doc/install.texi (--disable-libgcc-math): Document.
7153 2006-05-22 Richard Guenther <rguenther@suse.de>
7156 2006-01-31 Richard Guenther <rguenther@suse.de>
7158 * doc/invoke.texi (-msselibm): Document.
7159 * target.h (expand_library_builtin): New target hook.
7160 * builtins.c (expand_builtin): Use expand_library_builtin.
7161 (default_expand_library_builtin): New function.
7162 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7163 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7164 (link_gcc_math_spec): Declare.
7165 (static_specs): Add link_gcc_math_spec.
7166 * expr.h (default_expand_library_builtin): Declare.
7167 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7168 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7169 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7170 * config/i386/i386.opt (msselibm): New target option.
7171 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7172 (ix86_init_sse_abi_builtins): New function.
7173 (ix86_expand_library_builtin): Likewise.
7174 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7175 (override_options): Handle error conditions wrt -msselibm.
7176 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7177 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7178 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7181 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7184 * c-common.c (self_promoting_args_p): Skip erroneous args.
7187 * c-decl.c (finish_struct): Skip erroneous fields.
7189 2006-05-22 Nick Clifton <nickc@redhat.com>
7191 * config/cris/cris.opt (march): Remove VarExists attribute.
7192 (max-stackframe=): Likewise.
7194 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7196 * doc/rtl.texi: Fix a typo.
7197 * see.c: Fix comment typos.
7199 * tree-ssa-structalias.h (alias_info): Remove num_references.
7201 2006-05-21 Mike Stump <mrs@apple.com>
7203 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7205 (darwin_pragma_options): Use BAD instead.
7206 (darwin_pragma_unused): Likewise.
7207 (darwin_pragma_ms_struct): Likewise.
7209 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7211 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7213 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7215 PR rtl-optimization/27671
7216 * simplify-rtx.c (simplify_relational_operation_1): Fix
7217 simplifications of (eq/ne (xor x y) y) and
7218 (eq/ne (xor x y) x).
7220 PR tree-optimization/26622.
7221 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7224 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7226 * tree-cfg.c: Prune whitespace.
7227 (debug_tree_cfg): Point to correct header containing the
7230 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7233 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7235 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7238 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7239 or sorry count is non zero.
7241 2006-05-20 Andreas Schwab <schwab@suse.de>
7243 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7245 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7246 Kenneth Zadeck <zadeck@naturalbridge.com>
7248 PR rtl-optimization/26855
7250 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7252 (df_scan_alloc): Added code to properly handle multiword hard
7253 registers and add all_blocks parameter.
7254 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7255 code to properly handle multiword hard registers.
7256 (df_rescan_blocks): Added code to remove deleted blocks from
7258 (df_ref_create_structure, df_ref_record): Added code to properly
7260 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7261 and set DF_REF_PARTIAL.
7262 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7263 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7264 (df_scan_add_problem): Added flags parameter.
7265 (df_ref_create_structure): Changed switching structure.
7266 (df_bb_refs_record): Fixed case where duplicate artificial refs
7267 were created. Changed location of flags.
7268 (df_record_entry_block_defs): Added code to make stack pointer
7269 live in entry block. Refined cases where frame pointer is needed.
7270 Changed location of flags.
7271 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7272 (df_set_state): Removed function.
7273 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7274 df_insn_create_insn_record, df_insn_refs_delete,
7275 df_ref_create_structure): Formatting changes.
7276 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7277 df_delete_basic_block): New function.
7278 (df_init): Changed location of flags.
7279 (df_add_problem): Added flags parameter and the way flags are
7281 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7282 debug_df_chain): Improved debugging output.
7283 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7284 (df_refs_chain_dump): Removed df parameter.
7285 (df_iterative_dataflow): Added consistency check.
7286 (df_prune_to_subcfg): Made public.
7287 (df_analyze_problem): Added blocks_to_init parameter and made
7289 (df_ref_record, df_bb_refs_record, df_mark_reg,
7290 df_record_exit_block_uses): Whitespace changes.
7291 (df_dump): Whitespace changes.
7292 * df.h: Some reordering to remove forward references.
7293 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7294 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7295 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7296 (dataflow.flags): New field.
7297 (df.flag): Deleted field.
7298 (df_alloc_function): Added additional bitmap parameter.
7299 (df_dependent_problem_function): New type.
7300 (df_problem.changeable_flags): New field.
7301 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7302 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7303 (df_mw_hardreg): New struct.
7304 (DF_INSN_UID_MWS): New macro.
7305 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7307 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7308 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7309 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7310 (df_set_state): Removed function.
7311 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7312 * df-problems.c (df_chain_dump): Removed df parameter.
7313 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7314 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7316 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7317 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7318 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7319 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7320 DF_REF_MUST_CLOBBER cases.
7321 (df_ru_bb_local_compute_process_def,
7322 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7323 df_lr_bb_local_compute, df_ur_bb_local_compute,
7324 df_chain_create_bb): Made subreg aware.
7325 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7326 df_lr_bb_local_compute, df_lr_bb_local_compute,
7327 df_chain_create_bb): Cleanup to use proper macros.
7328 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7329 code to fixup bitvectors.
7330 (df_ri_alloc): Cleared lifetime.
7331 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7332 df_create_unused_note): New function.
7333 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7334 REG_DEAD and REG_UNUSED notes as well as register information.
7335 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7336 df_chains_dump): Fixed crash if problem was never run.
7337 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7338 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7339 df_ri_add_problem): Processes flags in uniform manner.
7340 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7341 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7342 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7343 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7344 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7345 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7346 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7347 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7348 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7349 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7350 * see.c (see_initialize_data): Ditto.
7351 * final.c (rest_of_clean_state) Added regstack_completed.
7352 * rtl.h (regstack_completed): Ditto.
7353 * reg-stack.c (regstack_completed): Ditto.
7355 2006-05-19 Mike Stump <mrs@apple.com>
7357 * c-tree.h (default_conversion): Remove.
7358 * c-common.h (default_conversion): Add.
7360 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7362 * tree-vrp.c (valid_value_p): New function.
7363 (adjust_range_with_scev): Fail if the value of bound is not
7366 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7368 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7369 (mips_fallback_frame_state): Use syscall numbers to determine
7370 the appropriate li instruction for the current ABI. Only use
7371 __NR_sigreturn for o32.
7373 2006-05-19 Nicolas Setton <setton@adacore.com>
7375 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7376 * langhooks.c (lhd_dwarf_name): New function.
7377 * langhooks-def.h (lhd_dwarf_name): Declare.
7378 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7379 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7380 * ada/misc.c (gnat_dwarf_name): New function.
7381 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7383 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7385 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7387 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7388 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7389 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7390 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7391 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7392 determine the size of Wtype, etc.
7393 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7394 (swfloatfuncs): New variable.
7395 (dwfloatfuncs): Likewise.
7396 (lib2funcs): Remove floating-point conversion functions from
7397 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7398 the set of conversion routines needed. Allow entries to specify
7399 an object name, filename and word size. Update users accordingly.
7400 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7401 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7405 2006-02-08 Roger Sayle <roger@eyesopen.com>
7408 * config/fixtfdi.c: New libgcc source file.
7409 * config/fixunstfdi.c: New source file.
7410 * config/floatditf.c: New source file.
7411 * config/floatunditf.c: New souce file.
7412 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7413 files above instead of config/mips/_tilib.c.
7414 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7416 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7418 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7419 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7421 2006-05-18 Mike Stump <mrs@apple.com>
7423 Fix up vla, vm and [*] sematics.
7429 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7430 (c_vla_unspec_p): Add.
7431 (c_vla_type_p): Add.
7432 * c-decl.c (struct c_scope): Add had_vla_unspec.
7433 (build_array_declarator): Add support for [*].
7434 (grokdeclarator): Likewise.
7435 (grokparms): Likewise.
7436 (get_parm_info): Likewise.
7437 * c-objc-common.c (c_vla_unspec_p): Likewise.
7438 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7439 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7440 typeof when argument is a variably modified type not inside sizeof or alignof.
7441 (c_parser_direct_declarator_inner): Propagate errors.
7442 (c_parser_sizeof_expression): Add support for [*].
7443 (c_parser_parms_declarator): Initialize had_vla_unspec.
7444 (c_parser_parms_list_declarator): Likewise.
7445 * c-typeck.c (c_vla_type_p): Add.
7446 (composite_type): Add support for vla compositing.
7447 (comptypes_internal): Add support for vla compatibility.
7448 (c_expr_sizeof_expr): Evaluate vla arguments.
7449 * tree.c (variably_modified_type_p): Update comment for [*].
7451 2006-05-18 Michael Matz <matz@suse.de>
7454 * config.host: Make assignments to host_xmake_file cumulative.
7455 * config.host (*-darwin*): Test $host, not $target.
7457 2006-05-12 Stuart Hastings <stuart@apple.com>
7459 * config/i386/i386.opt (-mstackrealign): New flag.
7460 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7461 (ix86_handle_cconv_attribute): Emit error when
7462 force_align_arg_pointer attribute collides with too many regparms.
7463 (ix86_function_regparm): Limit regparms when used with
7464 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7465 Support stack-realigning prologue in non-main functions. Emit
7466 warning for nested functions under -mstackrealign, emit error for
7467 nested functions with force_align_arg_pointer attribute.
7468 * doc/extend.texi (force_align_arg_pointer): Document it.
7469 * doc/invoke.texi (-mstackrealign): Document it.
7471 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7473 PR rtl-optimization/27477
7474 * combine.c (try_combine): Don't split a parallel consisting
7475 of two sets into two individual sets if both sets reference
7478 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7480 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7481 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7483 * doc/options.texi (VarExists): Updated.
7485 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7487 * unwind-dw2.c: Add declarations for uw_update_context and
7489 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7490 detected, advance frame state and context once to skip over stub.
7492 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7496 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7497 Call rewrite_into_loop_closed_ssa only when something changed.
7498 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7499 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7500 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7501 Test for perfect_nest_p here. Fix formating.
7502 (replace_uses_equiv_to_x_with_y): Fix formating.
7503 (stmt_uses_op): Removed.
7504 (can_convert_to_perfect_nest): Removed loopivs parameter.
7505 Complete the test by checking the scalar dependences.
7506 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7509 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7512 From Dan Kegel <dank@kegel.com>:
7513 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7515 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7517 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7518 if the element type is variably modified without recursing.
7520 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7523 * tree-loop-linear.c (try_interchange_loops): Test for
7524 no data dependences.
7526 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7528 PR tree-optimization/27548
7529 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7530 range of ssa names that appear on abnormal edges.
7531 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7532 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7534 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7537 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7539 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7542 * tree.h (OMP_PARALLEL_COMBINED): Define.
7543 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7544 (new_omp_context): Add is_combined_parallel argument.
7545 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7546 new_omp_context caller.
7547 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7548 Adjust gimplify_scan_omp_clauses callers.
7549 (omp_is_private): Issue errors if iteration variable is firstprivate
7550 or reduction in the current context.
7551 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7552 on combined parallel workshare constructs.
7554 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7556 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7557 (gcc-options.o): New rule.
7559 * optc-gen.awk: Protect variables for gcc-options.o with
7560 #ifdef GCC_DRIVER/#endif.
7562 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7564 Fix PR tree-optimization/27373
7565 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7566 (forward_propagate_addr_expr): Update call.
7568 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7570 * doc/options.texi: Move the Negative option.
7572 2006-05-16 Richard Guenther <rguenther@suse.de>
7574 PR tree-optimization/22303
7575 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7577 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7578 ccp_fold did not simplify the statement.
7580 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7583 * Makefile.in (GCC_OBJS): New.
7584 (OBJS-common): Add opts-common.o.
7585 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7586 (cpp$(exeext)): Likewise.
7587 (gcc.o): Also depend on opts.h.
7588 (opts-common.o): New.
7590 * common.opt (gcoff): Add Negative(gdwarf-2).
7591 (gdwarf-2): Add Negative(gstabs).
7592 (gstabs): Add Negative(gstabs+).
7593 (gstabs+): Add Negative(gvms).
7594 (gvms): Add Negative(gxcoff).
7595 (gxcoff): Add Negative(gxcoff+).
7596 (gxcoff+): Add Negative(gcoff).
7597 * config/i386/i386.opt (m32): Add Negative(m64).
7598 (m64): Add Negative(m32).
7600 * doc/options.texi: Document the Negative option.
7602 * gcc.c: Include "opts.h".
7603 (main): Call prune_options after expandargv.
7605 * optc-gen.awk: Generate common declarations for all flag
7606 variables in options.c. Output the neg_index field.
7608 * opts.c (find_opt): Moved to ...
7609 * opts-common.c: Here. New file.
7611 * opts.h (cl_option): Add a neg_index field.
7613 (prune_options): Likewise.
7615 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7618 * omp-low.c (expand_omp_parallel): Don't assert
7619 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7620 instead search for it.
7623 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7626 2006-05-16 Andreas Schwab <schwab@suse.de>
7628 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7631 2006-05-15 Roger Sayle <roger@eyesopen.com>
7634 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7635 integer constants other than zero are only legitimate on TARGET_64BIT.
7636 <CONST_VECTOR> Only zero vectors are legitimate.
7637 (ix86_cannot_force_const_mem): Integral and vector constants can
7638 always be put in the constant pool.
7640 2006-05-16 DJ Delorie <dj@redhat.com>
7642 * crtstuff.c (__dso_handle): Set section from
7643 TARGET_LBIGCC_SDATA_SECTION if defined.
7644 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7645 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7647 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7650 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7653 2006-05-16 Ben Elliston <bje@au.ibm.com>
7655 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7657 2006-05-15 Per Bothner <per@bothner.com>
7659 * tree.c: (last_annotated_node): Use source_locus typedef.
7660 This permits bootstrapping with --enable-mapped-location.
7662 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7664 PR tree-optimization/26830
7665 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7666 (info_for_ssa_name, current_info_for_ssa_name_age,
7667 blocks_to_update): New variables.
7668 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7669 (clear_ssa_name_info, initialize_flags_in_bb,
7670 mark_block_for_update): New functions.
7671 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7672 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7673 prepare_def_site_for): Use mark_block_for_update.
7674 (mark_def_interesting): Assert that the processed block is marked in
7675 blocks_to_update. Do not take blocks argument.
7676 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7678 (rewrite_update_init_block, rewrite_update_stmt): Only process
7679 blocks with statements to rewrite.
7680 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7681 (update_ssa): Initialize and free blocks_to_update. Do not
7682 clear flags on statements. Do not use blocks bitmap.
7683 * tree.h (SSA_NAME_AUX): Removed.
7684 (struct tree_ssa_name): Removed aux field.
7685 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7687 2006-05-15 Richard Guenther <rguenther@suse.de>
7689 PR tree-optimization/27603
7690 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7691 Do computations in original type.
7693 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7695 * see.c: Code style changes such as redundant paranthesis,
7696 redundant intialization of local variables etc.
7697 (see_main): Declared now as static.
7698 * doc/invoke.texi: Update that -fsee is not enabled by
7701 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7703 * omp-low.c (check_omp_nesting_restrictions): New function.
7704 (scan_omp_1): Call it.
7707 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7708 construct, return *VAR.
7710 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7712 PR rtl-optimization/27406
7713 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7716 2006-05-14 Roger Sayle <roger@eyesopen.com>
7718 PR rtl-optimization/27538
7719 * combine.c (expand_compound_operation): Call gen_lowpart
7720 before calling simplify_shift_const.
7722 2006-05-14 Roger Sayle <roger@eyesopen.com>
7724 PR rtl-optimization/22563
7725 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7726 a fixed width bitfield, always force the intermediates into psuedos.
7728 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7731 * mkconfig.sh: Use operator = instead of == for test.
7733 2006-05-13 Nick Clifton <nickc@redhat.com>
7735 * dwarf2out.c (dbx_reg_number): Check return value from
7736 LEAF_REG_REMAP and only use it if it is valid.
7737 (multiple_reg_loc_descriptor): Likewise.
7739 2006-05-13 Richard Guenther <rguenther@suse.de>
7741 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7744 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7746 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7747 information attached to non-INSNs such as NOTEs.
7748 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7750 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7752 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7754 * config/s390/s390.md: Adjust comment describing On constraint.
7756 2006-05-11 Jan Hubicka <jh@suse.cz>
7758 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7759 to be output at -O0.
7761 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7764 * fold-const.c (size_binop): Move sanity check for arguments to
7765 the beginning of the function.
7768 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7771 2006-05-11 Richard Guenther <rguenther@suse.de>
7774 * fold-const.c (fold_unary): Handle intermediate conversion
7775 to a pointer type like intermediate conversion to an integer
7776 type in folding of (T1)(T2)var to var.
7777 Match the code to the comment in the final conversion for
7778 (T1)(T2)var to (T1)var regarding to type precision. Rather
7779 than disallow T1 being of pointer type, assert that both T1
7780 and var are of pointer type or not. Make sure not to fall
7781 over the frontends lazyness wrt array to pointer decay though.
7783 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7785 * arm.c (arm_struct_value_rtx): Delete.
7786 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7787 (arm_init_cumulative_args): Always initialize nregs to zero.
7789 2006-05-10 Richard Guenther <rguenther@suse.de>
7791 PR tree-optimization/27532
7792 * tree-object-size.c (plus_expr_object_size): Fix typo.
7794 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7797 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7798 ashrdi_const, ashrdi3): Use a scratch register.
7800 2006-05-10 Richard Guenther <rguenther@suse.de>
7802 PR tree-optimization/27302
7803 * fold-const.c (operand_equal_p): For two comparisons,
7804 try comparison of one comparison code swapped if that yields
7807 2006-05-10 Ben Elliston <bje@au.ibm.com>
7809 * tree-pretty-print.c (pretty_print_string): No need to handle
7810 '\0' as a special character.
7812 * tree.h: Include "hashtab.h".
7813 (iterative_hash_expr): Use hashval_t in its prototype.
7814 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7816 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7819 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7820 (hppa*64*-*-hpux11*): Ditto.
7821 (hppa[12]*-*-hpux11*): Ditto.
7823 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7826 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7828 2006-05-09 Michael Matz <matz@suse.de>
7830 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7831 host_extra_gcc_objs and host_xmake_file.
7832 (<*-*-linux*>): Don't overwrite host_xmake_file.
7833 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7834 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7835 (host_detect_local_cpu): Declare.
7836 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7837 * config/i386/i386.c (override_options): Handle -mtune=native
7839 * config/i386/x-i386: New file.
7840 * config/i386/driver-i386.c: New file.
7841 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7844 2006-05-09 Dirk Mueller <dmueller@suse.de>
7845 Richard Guenther <rguenther@suse.de>
7848 * fold-const.c (fold_read_from_constant_string): Relax check
7849 for matching types to matching modes.
7851 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7853 PR rtl-optimization/27335
7854 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7857 2006-05-08 Chao-ying Fu <fu@mips.com>
7858 Richard Sandiford <richard@codesourcery.com>
7860 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7861 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7862 * config/mips/mips.md (UNSPEC_SCC): New constant.
7863 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7864 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7865 (mips_emit_compare): Use it.
7866 (mips_expand_vcondv2sf): New function.
7868 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7870 Fix PR tree-optimization/27093
7871 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7872 renaming when they become not-used_alone.
7874 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7876 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7877 relocation and relocation stubs.
7879 2006-05-08 Eric Christopher <echristo@apple.com>
7881 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7884 2006-05-08 Jan Hubicka <jh@suse.cz>
7887 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7888 unused static functions are needed.
7890 2006-05-08 Roger Sayle <roger@eyesopen.com>
7893 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7894 of a reg_equiv_constant if the result is a legitimate constant.
7896 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7899 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7900 standard 80387 constants, raise the cost to prevent
7901 compress_float_constant() to generate load from memory.
7903 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7905 * config/arm/constraints.md (c): Fix a typo.
7907 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7910 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7913 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7915 (_mm_mwait): Likewise.
7917 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7919 (sse3_monitor): Make it 32bit only.
7920 (sse3_monitor64): New. 64bit monitor.
7922 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7925 * config/i386/i386.c (classify_argument): Skip fields with invalid
7928 2006-05-07 Richard Guenther <rguenther@suse.de>
7930 PR tree-optimization/27409
7931 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7932 Do not try to find zero-sized subvars.
7934 2006-05-07 Richard Guenther <rguenther@suse.de>
7936 PR tree-optimization/27136
7937 * tree-ssa-loop-niter.c (get_val_for): Correct function
7938 comment, assert requirements.
7939 (loop_niter_by_eval): Stop processing if the iterated
7940 value did not simplify.
7942 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7944 * opts.c (flag_see): remove its setting at -O3.
7946 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7948 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7949 * arm/constraints.md: New file.
7950 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7951 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7952 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7953 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7954 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7955 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7956 * arm.md: Include constraints.md.
7957 (thumb_movsi_insn): Use satisfies_constraint_J.
7958 (movhi, movqi): Use satisfies_constraint_I.
7960 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7962 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7963 for atmeg a645 device.
7965 2006-05-06 Richard Guenther <rguenther@suse.de>
7967 PR tree-optimization/27151
7968 * tree-vect-transform.c (vectorizable_condition): Punt on
7969 values that have a different type than the condition.
7971 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7974 * c-parser.c (c_parser_cast_expression): Only insert casts into
7975 hash table if pointer.
7976 * function.c (used_types_insert_helper): Rename from
7978 (used_types_insert): Call used_types_insert_helper.
7979 * function.h (used_types_insert): Accept only one argument.
7981 2006-05-05 David Edelsohn <edesohn@gnu.org>
7983 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7984 scratch with output modifier.
7986 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7989 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7990 with output modifier.
7992 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7995 * config/mips/mips.c (mips_symbolic_address_p): Return true
7996 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7997 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7999 2006-05-04 Richard Guenther <rguenther@suse.de>
8001 PR tree-optimization/14287
8002 PR tree-optimization/14844
8003 PR tree-optimization/19792
8004 PR tree-optimization/21608
8005 PR tree-optimization/27090
8006 * tree-ssa-pre.c (try_combine_conversion): New function.
8007 (compute_avail): After constructing the value-handle
8008 expression, use try_combine_conversion to combine NOP_EXPRs
8009 with previous value-handle expressions and use the result if it
8012 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8014 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8016 2006-05-04 Jan Hubicka <jh@suse.cz>
8019 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8021 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8023 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8024 that this only matches CONST_INTs. All users changed to VOIDmode
8027 * config/bfin/bfin.c: Include "optabs.h".
8028 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8030 (enum bfin_builtins): Add a number of fractional and vector builtins.
8031 (bfin_init_builtins): Likewise.
8032 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8033 (safe_vector_operand, bfin_expand_binop_builtin,
8034 bfin_expand_unop_builtin): New functions.
8035 (bfin_expand_builtin): Handle the new builtins.
8036 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8039 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8042 * Makefile.in (OBJS-common): Add see.o.
8043 (see.o): Add dependencies.
8044 * common.opt (fsee): New flag for the see optimization was added.
8045 * opts.c (flag_see): Initialized.
8046 * passes.c (init_optimization_passes, pass_see): New pass.
8047 * rtl.h (see_main): Declaration as extern.
8048 * timevar.def (TV_SEE): New.
8049 * tree-pass.h (pass_see): Declaration as extern.
8050 * invoke.texi (-fsee): Document.
8051 * recog.c (validate_simplify_insn): New function.
8052 * recog.h (validate_simplify_insn): Declaration as extern.
8053 * df-problems.c (df_chain_dump): Check for NULL.
8055 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8056 Daniel Berlin <dberlin@dberlin.org>
8058 * cfgrtl.c (insert_insn_bb_end_new): New function.
8059 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8061 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8063 * df.h (struct web_entry): Moved from web.c.
8064 (union_defs): Declaration as extern.
8065 (unionfind_root): Likewise.
8066 (unionfind_union): Likewise.
8067 * web.c (struct web_entry): Moved to df.h.
8068 (unionfind_root): Remove static declaration.
8069 (unionfind_union): Likewise.
8070 (union_defs): Likewise and generalize to use callback function.
8071 (web_main): Update arguments for union_defs function call.
8073 2006-05-04 Richard Guenther <rguenther@suse.de>
8075 PR tree-optimization/26447
8076 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8077 produce SSA_NAME copies before the store stmt to avoid
8078 breaking exception handling.
8080 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8083 * gimplify.c (omp_is_private): If var is shared in some outer context,
8084 return false instead of true. Stop searching on parallel context
8087 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8090 * coverage.c: Use get_gcov_unsigned_t() instead of
8091 unsigned_type_node all over.
8093 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8095 PR tree-optimization/27381
8096 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8097 maintain the same immediate_use links.
8098 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8099 node rather than segfaulting.
8101 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8104 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8105 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8106 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8108 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8110 Fix PR tree-optimization/26626
8111 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8113 * tree-ssa-operands.c (access_can_touch_variable): Allow
8114 typecasting through union pointers.
8116 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8119 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8120 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8121 to find if var will be a global variable even in the nested context.
8122 (omp_copy_decl): Only check for global variable at the end, it might
8123 be overridden in outer contexts.
8124 (scan_sharing_clauses): For global variables don't create a field.
8125 (lower_rec_input_clauses): Do nothing for global shared variables.
8126 Emit a barrier at the end of ILIST if there were any decls in both
8127 firstprivate and lastprivate clauses.
8128 (lower_send_clauses): Do nothing for global variables except for
8131 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8133 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8134 of the correct signedness is returned.
8136 2006-05-02 Jeff Law <law@redhat.com>
8138 PR tree-optimization/27364
8139 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8140 multiply expressions.
8142 2006-05-02 Tom Tromey <tromey@redhat.com>
8144 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8146 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8149 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8150 -mthumb -fPIC are used.
8152 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8153 Joshua Kinard <kumba@gentoo.org>
8156 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8157 with 64-bit pointers.
8159 2006-05-02 Paul Brook <paul@codesourcery.com>
8161 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8163 (create_fix_barrier): Check that a suitable barrier location is
8165 (arm_reorg): Include ftmp->address in allowable range of addresses.
8167 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8170 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8173 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8176 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8177 around RESULT_DECL for result passed by reference.
8178 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8179 * omp-low.c (use_pointer_for_field): Don't look at
8180 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8181 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8182 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8183 time or var for passing by reference for
8184 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8185 TREE_ADDRESSABLE variables when passing by reference.
8187 * omp-low.c (dump_omp_region): Fix output formatting.
8190 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8191 (expand_omp_parallel): Likewise.
8192 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8195 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8196 on statement list containing also constructors and destructors.
8197 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8200 * except.c (duplicate_eh_regions): Fix clearing of
8201 cfun->eh->region_array entries.
8203 2006-05-01 DJ Delorie <dj@redhat.com>
8205 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8207 (gcc_cv_objdump): Likewise.
8208 * configure: Regenerated.
8210 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8213 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8214 templates for case 3 and 4.
8216 2006-05-01 DJ Delorie <dj@redhat.com>
8218 * vec.c: Include bconfig.h when appropriate.
8219 * Makefile.in (build/vec.o): Adjust dependencies.
8220 * mkconfig.sh: Make sure config.h isn't used for build machine
8223 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8225 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8227 (mark_phi_for_rewrite): New function.
8228 (insert_phi_nodes_for, mark_use_interesting): Call
8229 mark_phi_for_rewrite.
8230 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8231 (update_ssa): Initialize and free phis_to_rewrite.
8233 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8235 PR rtl-optimization/27291
8236 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8237 folded to a constant.
8239 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8241 PR tree-optimization/27283
8242 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8243 not whole # of iteration descriptions.
8244 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8245 uses abnormal ssa name.
8246 (niter_for_single_dom_exit): Ditto.
8247 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8248 return just the number of iterations.
8250 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8252 PR tree-optimization/27144
8253 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8254 (record_estimate): Only record constant upper bound.
8255 (infer_loop_bounds_from_undefined): Call
8256 compute_estimated_nb_iterations just once.
8257 (proved_non_wrapping_p): Renamed to ...
8258 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8259 (convert_step_widening, scev_probably_wraps_p): Call
8260 n_of_executions_at_most instead of proved_non_wrapping_p.
8261 (substitute_in_loop_info): Do not replace values in bounds.
8262 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8265 2006-05-01 Richard Henderson <rth@redhat.com>
8268 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8269 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8272 2006-05-01 Roger Sayle <roger@eyesopen.com>
8274 * c-typeck.c (parser_build_binary_op): Don't call the function
8275 unsigned_conversion_warning to spot operand/result type overflow.
8276 (build_binary_op): Instead, call convert_and_check instead of
8277 convert to report the problem when the operands are promoted.
8278 * c-common.c (unsigned_conversion_warning): Make static.
8279 * c-common.h (unsigned_conversion_warning): Delete prototype.
8281 2006-05-01 Richard Guenther <rguenther@suse.de>
8283 PR tree-optimization/26726
8284 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8286 (find_interesting_uses_address): ... we work around here
8287 by folding INDIRECT_REFs in the substituted base.
8289 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8291 * omp-low.c (dump_omp_region): Add newlines.
8293 2006-04-30 Roger Sayle <roger@eyesopen.com>
8295 * common.opt (Woverflow): New command line option.
8296 * c-common.c (constant_expression_warning): Check warn_overflow.
8297 (overflow_waring): Pass OPT_Woverflow to warning.
8298 (unsigned_conversion_warning): Likewise.
8299 (convert_and_check): Likewise.
8300 * doc/invoke.texi: Document new command line option.
8302 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8304 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8305 TARGET_NO_FP_IN_TOC for section anchors.
8306 (optimization_options): Enable section anchors for all
8307 non-"Objective" languages.
8309 2006-04-28 Eric Christopher <echristo@apple.com>
8311 * config/darwin-c.c (darwin_ms_struct): Move this
8312 (darwin_set_default_type_attributes): and this...
8313 * config/darwin.c: ... here.
8314 * config/darwin.h (darwin_ms_struct): Declare.
8316 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8318 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8320 2006-04-28 Roger Sayle <roger@eyesopen.com>
8323 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8324 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8325 an unsigned HOST_WIDE_INT.
8326 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8328 (really_start_incremental_init): No need to call convert because
8329 bitsize_zero_node is already of type bitsizetype.
8330 (push_init_level): Extract the value of constructor_index as an
8331 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8332 (process_init_element): Likewise.
8334 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8336 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8337 value before passing to make_relative_prefix.
8339 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8342 * builtins.c (expand_builtin_memset): Expand val in original mode.
8344 2006-04-27 Eric Christopher <echristo@apple.com>
8346 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8347 with #ifndef/#endif.
8348 * config/darwin-c.c (darwin_ms_struct): New.
8349 (darwin_pragma_ms_struct): Ditto.
8350 (darwin_set_default_type_attributes): Ditto.
8351 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8352 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8353 Register ms_struct pragma.
8354 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8355 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8356 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8357 darwin_set_default_type_attributes if TARGET_MACHO.
8359 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8361 PR tree-optimization/26854
8362 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8363 * doc/tree-ssa.texi: Update immuse iterator documentation.
8364 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8365 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8366 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8367 first_safe_imm_use, next_safe_imm_use): Remove.
8368 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8369 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8370 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8371 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8372 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8373 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8374 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8375 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8376 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8377 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8378 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8379 (perfect_nestify): Use new iterator.
8380 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8382 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8383 (next_imm_name): New field in struct immediate_use_iterator_d.
8384 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8385 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8386 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8387 * tree-cfg.c (replace_uses_by): Use new iterator.
8388 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8389 * tree-ssa-operands.c (correct_use_link): Remove.
8390 (finalize_ssa_use_ops): No longer call correct_use_link.
8392 2006-04-27 Stuart Hastings <stuart@apple.com>
8394 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8395 * config/t-darwin (crt3.o): Use it.
8396 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8397 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8398 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8399 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8400 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8403 2006-04-27 Roger Sayle <roger@eyesopen.com>
8405 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8406 size, force the intermediate into a new pseudo rather instead of
8407 performing both a bitwise AND and a bitwise IOR in memory.
8409 2006-04-27 Richard Guenther <rguenther@suse.de>
8411 PR rtl-optimization/26685
8412 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8413 this one "max-flow-memory-locations".
8415 2006-04-27 Richard Guenther <rguenther@suse.de>
8417 PR tree-optimization/25148
8418 * tree-vrp.c (compare_values): Remove code dealing with
8419 comparisons against type min/max value. Honour overflow
8420 and negative constants in code dealing with comparisons
8421 of plus and minus expressions.
8422 (value_inside_range): Use fold_binary with LE_EXPR and
8423 GE_EXPR rather than compare_values.
8425 2006-04-27 Dirk Mueller <dmueller@suse.de>
8427 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8430 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8432 * basic-block.h (safe_insert_insn_on_edge): Removed.
8433 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8435 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8436 Paolo Bonzini <bonzini@gnu.org>
8439 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8440 (simplify_and_const_int): Same.
8442 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8444 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8446 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8449 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8450 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8451 cgraph_global_info_ready.
8454 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8457 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8458 either decl or init is error_mark_node.
8461 * tree-flow.h (struct omp_region): Add sched_kind.
8462 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8463 instead of extracting omp for data.
8464 (expand_omp_for): Save extracted sched_kind.
8466 2006-04-25 Roger Sayle <roger@eyesopen.com>
8468 * expmed.c (store_bit_field): Also check whether the bitsize is
8469 valid for the machine's "insv" instruction before moving the
8470 target into a pseudo for use with the insv.
8471 * config/i386/predicates.md (const8_operand): New predicate.
8472 * config/i386/i386.md (extv, extzv, insv): Use the new
8473 const8_operand predicate where appropriate.
8475 2006-04-25 DJ Delorie <dj@redhat.com>
8477 * doc/install.texi (Specific): Clarify that this is not a list of
8478 supported hosts or targets.
8480 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8482 PR rtl-optimization/26725
8483 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8484 block's BB_DIRTY flag.
8486 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8488 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8491 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8492 to print an integer.
8494 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8496 * varasm.c (align_variable): New function.
8497 (get_block_for_decl): Apply align_variable to DECL before
8498 calculating section information.
8499 (assemble_variable): Split out alignment computation.
8501 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8503 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8506 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8508 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8509 MODE_PARTIAL_INT mode.
8510 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8511 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8513 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8514 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8516 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8518 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8520 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8521 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8522 MACFLAG_IH): Likewise.
8523 (movstricthi_1): Renamed from "*movstricthi".
8524 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8525 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8526 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8527 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8528 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8529 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8530 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8531 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8532 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8533 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8534 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8535 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8536 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8537 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8538 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8540 * doc/rtl.texi (ss_ashift): Improve wording.
8542 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8544 * dwarf2out.c (verify_marks_clear): New.
8545 (prune_unused_types): Call verify_marks_clear initially, not
8548 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8550 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8551 * doc/rtl.texi: Document them.
8552 * simplify-rtx.c (simplify_unary_operation,
8553 simplify_binary_operation_1): Don't abort when we see them.
8555 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8558 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8559 * configure.ac: Completely disregard languages that are not
8561 * configure: Regenerated.
8563 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8564 Richard Guenther <rguenther@suse.de>
8566 PR tree-optimization/27236
8567 * tree-inline.c (copy_body_r): Make sure to copy
8568 TREE_THIS_VOLATILE flag.
8570 2006-04-24 Richard Guenther <rguenther@suse.de>
8573 * tree-complex.c (update_parameter_components): Don't handle
8574 unused parameters which have no default def.
8576 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8577 Richard Guenther <rguenther@suse.de>
8579 PR tree-optimization/27218
8580 * tree-inline.c (expand_call_inline): Strip useless type
8581 conversions for the return slot address.
8583 2006-04-24 Richard Guenther <rguenther@suse.de>
8585 * cfgloop.h (struct loops): Remove unused field array. Reorder
8587 (LOOP_PREFETCH): Remove.
8589 2006-04-24 Richard Guenther <rguenther@suse.de>
8591 PR tree-optimization/22525
8592 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8593 variable, adjust types of generated expressions.
8595 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8597 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8598 (tree-vect-patterns.o): Likewise.
8600 (cselib.o): Likewise.
8601 (loop-doloop.o): Likewise.
8602 (regclass.o): Likewise.
8603 (reload1.o): Likewise.
8604 (explow.o): Replace target.h with $(TARGET_H).
8605 (ipa-prop.o): Likewise.
8606 (ipa-cp.o): Likewise.
8607 (ipa-inline.o): Likewise.
8608 (reorg.o): Likewise.
8609 (reg-stack.o): Likewise.
8611 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8613 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8615 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8617 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8619 * configure.ac: Completely disregard languages that are not
8621 * configure: Regenerated.
8624 * c-common.h (c_build_bitfield_integer_type): Declare.
8625 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8626 * c-common.c (c_build_bitfield_integer_type): ... here.
8628 2006-04-23 Roger Sayle <roger@eyesopen.com>
8631 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8632 a SImode SUBREG of a floating point register after no_new_pseudos.
8634 2006-04-23 Roger Sayle <roger@eyesopen.com>
8636 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8637 identify potentially eliminable registers to additionally catch
8638 VIRTUAL_INCOMING_ARGS_REGNUM.
8639 (addsi3): Update the conditions on when to use addsi_small_int.
8641 2006-04-23 Roger Sayle <roger@eyesopen.com>
8644 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8645 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8646 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8648 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8650 * fold-const.c (range_predecessor): Use operand_equal_p
8651 as the predicate for equality.
8652 (range_successor): Likewise.
8654 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8657 * config/soft-fp/op-common.h: Fix a typo.
8659 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8662 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8663 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8665 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8667 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8669 * doc/tm.texi: Fix a typo.
8671 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8673 * dwarf2out.c (struct die_struct): Document that die_sib makes
8674 a circular linked list.
8675 (FOR_EACH_CHILD): New.
8676 (reverse_die_lists): Delete.
8677 (reverse_all_dies): Delete.
8678 (add_dwarf_attr): Correct documentation.
8679 (remove_child_with_prev): New.
8680 (remove_child_TAG): Update for change to die_struct, use
8681 remove_child_with_prev.
8682 (add_child_die): Update for change to die_struct.
8683 (splice_child_die): Use remove_child_with_prev and add_child_die.
8684 (print_die): Use FOR_EACH_CHILD.
8685 (die_checksum): Likewise.
8686 (assign_symbol_names): Likewise.
8687 (output_location_lists): Likewise.
8688 (build_abbrev_table): Likewise.
8689 (calc_die_sizes): Likewise.
8690 (mark_dies): Likewise.
8691 (unmark_dies): Likewise.
8692 (unmark_all_dies): Likewise.
8693 (output_die): Likewise.
8694 (prune_unused_types_mark): Likewise.
8695 (prune_unused_types_walk): Likewise.
8696 (same_die_p): Update for change to die_struct.
8697 (break_out_includes): Likewise.
8698 (prune_unused_types_prune): Likewise.
8699 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8700 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8702 (dwarf2out_finish): Don't call reverse_all_dies.
8704 2006-04-21 Eric Christopher <echristo@apple.com>
8706 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8707 in comments and function names.
8709 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8712 * c-typeck.c (digest_init): Robustify.
8714 * c-typeck.c (pop_init_level): Simplify.
8716 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8718 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8720 2006-04-21 Paul Brook <paul@codesourcery.com>
8722 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8723 hardware floating point.
8725 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8727 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8730 2006-04-21 Nick Clifton <nickc@redhat.com>
8732 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8735 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8738 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8739 C++ lang type in traceback table for Objective-C++.
8741 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8743 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8745 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8747 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8750 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8751 were errors. Remove check for erroneous objects.
8753 2006-04-20 Jeff Law <law@redhat.com>
8755 PR tree-optimization/26854
8756 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8757 checking for zero or one use.
8758 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8759 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8760 * tree-ssa-reassoc.c (negate_value): Similarly.
8761 (reassociate_bb): Similarly.
8763 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8765 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8766 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8767 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8769 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8771 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8772 fp regs if the last fp arg doesn't fit in regs.
8774 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8777 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8778 that the last insn has the REG_INC note.
8780 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8781 Nathan Sidwell <nathan@codesourcery.com>
8784 * stor-layout.c (update_alignment_for_field): Do not align
8786 (place_union_field): Place union field at the start of the union.
8787 (place_field): Move ERROR_MARK check later, and use the current
8788 allocation position to maintain monotonicity.
8790 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8792 * dominance.c: Include timevar.h.
8793 (calculate_dominance_info): Use TV_DOMINANCE.
8794 * timevar.def (TV_DOMINANCE): New timevar.
8795 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8797 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8799 PR rtl-optimization/14261
8800 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8801 move would be an INSV insn.
8802 (noce_process_if_block): Don't optimize if the destination is a
8803 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8805 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8807 * config/s390/s390.md: Add comments with the instructions emitted
8808 by an insn pattern if macros are used.
8810 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8812 PR rtl-optimization/26026
8813 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8814 is a known power of two shifted left a variable amount.
8816 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8818 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8819 to hash table twice when the debug_str section has SECTION_MERGE.
8821 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8823 * config/soft-fp: New directory. From glibc.
8824 * config/soft-fp/t-softfp: New.
8825 * config/soft-fp/README: New.
8826 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8827 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8828 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8829 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8830 * config.gcc: Use rs6000/t-fprules-fpbit or
8831 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8833 * config/rs6000/sfp-machine.h: New. Based on glibc.
8834 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8836 * config/rs6000/t-fprules: Remove fp-bit rules.
8837 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8838 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8839 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8840 (softfp_wrap_start, softfp_wrap_end): New.
8842 2006-04-18 DJ Delorie <dj@redhat.com>
8844 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8846 2006-04-18 Devang Patel <dpatel@apple.com>
8848 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8850 2006-04-18 Nick Clifton <nickc@redhat.com>
8852 * config/sh/t-symbian: Add rule to build sh-c.o
8853 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8854 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8855 (sh_symbian_encode_section_info): Likewise.
8857 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8859 * builtins.c (expand_builtin_strcmp): Cover label definition of
8860 do_libcall with HAVE_cmpstrnsi.
8862 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8864 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8866 * function.h (temp_slot_p): New.
8867 (function): Change the type of x_used_temp_slots to
8868 VEC(temp_slot_p,gc) *.
8870 2006-04-18 Nick Clifton <nickc@redhat.com>
8872 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8873 flag_strength_reduce.
8875 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8877 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8881 Partial revert of revision 112637
8882 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8883 Dale Johannesen <dalej@apple.com>
8886 * regclass.c (struct reg_pref): Update documentation.
8887 (regclass): Set prefclass to NO_REGS if memory is the best option.
8888 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8890 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8892 PR tree-optimization/26821
8893 * tree-ssa-math-opts.c (get_constant_one): New.
8894 (insert_reciprocals): Use it.
8896 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8898 * dwarf2out.c (free_AT): Delete.
8899 (remove_AT): Update string ref counts.
8900 (remove_child_TAG): Don't call free_die.
8902 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8903 or DW_TAG_GNU_EINCL.
8904 (prune_unused_types_walk_attribs): Reset string refcounts.
8905 (prune_unused_types_update_strings): New.
8906 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8907 call free_die. Do call prune_unused_types_update_strings.
8908 (prune_unused_types): Empty debug_str_hash.
8910 2006-04-17 Roger Sayle <roger@eyesopen.com>
8912 * expr.c (expand_assignment): Optimize away no-op moves where the
8913 source and destination are equal and have no side-effects.
8915 2006-04-17 Richard Guenther <rguenther@suse.de>
8918 * reload.c (push_reload): Guard calls to get_secondary_mem
8921 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8923 * alias.c (reg_base_value, old_reg_base_value): Change the
8924 type to VEC(rtx,gc) *.
8925 (REG_BASE_VALUE, find_base_value, record_set,
8926 init_alias_analysis): Use VEC instead of VARRAY.
8928 * alias.c (alias_sets): Change the type to
8929 VEC(alias_set_entry,gc) *.
8930 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8931 VEC instead of VARRAY.
8932 (last_alias_set): Remove.
8934 * cgraph.h (cgraph_edge_p): New.
8935 Update the prototype of cgraph_function_versioning.
8936 * cgraphunit.c (cgraph_copy_node_for_versioning,
8937 cgraph_function_versioning): Use VEC instead of VARRAY.
8938 * ipa-cp.c (ipcp_insert_stage): Likewise.
8940 2006-04-16 Roger Sayle <roger@eyesopen.com>
8943 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8944 "A op B" or "A op C", we may need to convert A to the type of B and C.
8946 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8948 * target.h (struct gcc_target): Add mode_rep_extended.
8949 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8950 (init_num_sign_bit_copies_in_rep): Initialize it using
8952 (truncate_to_mode): Use it.
8953 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8954 * targhooks.h (default_mode_rep_extended): Declare it.
8955 * targhooks.c (default_mode_rep_extended): Define it.
8956 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8957 default_mode_rep_extended.
8958 (TARGET_INITIALIZER): Include it.
8959 * doc/tm.texi (Misc): Document it.
8960 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8961 (mips_truncated_to_mode): New function.
8963 2006-04-16 Roger Sayle <roger@eyesopen.com>
8966 * expr.c (compress_float_constant): Copy the narrow constant into
8967 a new pseudo before extending it to its final width.
8969 2006-04-16 Roger Sayle <roger@eyesopen.com>
8970 Andrew Pinski <pinskia@gcc.gnu.org>
8971 Dale Johannesen <dalej@apple.com>
8974 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8975 special case code to implement V8HImode and V16QImode with SSE2.
8977 2006-04-15 Roger Sayle <roger@eyesopen.com>
8979 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8980 trees are constructed with a suitable tree type.
8982 2006-04-15 Roger Sayle <roger@eyesopen.com>
8984 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8985 (integer_onep): Likewise.
8986 (integer_all_onesp): Likewise.
8987 (integer_pow2p): Likewise.
8988 (integer_nonzerop): Likewise.
8989 (real_zerop): Likewise.
8990 (real_onep): Likewise.
8991 (real_twop): Likewise.
8992 (real_minus_onep): Likewise.
8993 (int_size_in_bytes): Likewise.
8994 (host_integerp): Likewise.
8996 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8998 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8999 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9000 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9002 * tree-ssa-structalias.h (alias_info): Remove num_references.
9004 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9006 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9007 (output_bvb patterns): Likewise.
9008 * pa.c (output_bb): Use 'bb' insn for long branch case.
9009 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9010 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9011 1. Correct length operand for alternatives 1 and 2.
9012 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9013 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9015 2006-04-14 Roger Sayle <roger@eyesopen.com>
9017 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9018 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9019 were accidentally reverted by r112959.
9021 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9024 * except.h (eh_region_outermost): New prototype.
9025 * except.c (eh_region_outermost): New function.
9026 * tree-cfg.c (find_outermost_region_in_block): Use it.
9028 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9030 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9032 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9033 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9034 (init_reload, reload): Use VEC instead of VARRAY.
9035 * reload.h: Update the prototype for
9036 reg_equiv_memory_loc_varray.
9038 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9039 Eric Botcazou <ebotcazou@libertysurf.fr>
9041 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9044 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9047 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9048 to expand fallback builtin function call.
9050 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9053 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9054 and emit libcall here in case the builtin fails.
9055 (expand_builtin_strcmp): Always emit the libcall here on failure.
9057 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9059 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9060 * flow.c (reg_n_info): Change the type to
9061 VEC(reg_info_p,heap) *.
9062 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9064 * regs.h (reg_info_p): New.
9065 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9066 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9067 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9070 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9072 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9074 * params.h (MAX_SCHED_READY_INSNS): New macro.
9075 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9076 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9077 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9078 the ready list for 1 cycle during the first scheduling pass.
9079 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9081 2006-04-13 Richard Henderson <rth@redhat.com>
9084 * gimple-low.c (lower_omp_directive): Remove dead code.
9085 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9086 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9087 * omp-low.c (struct omp_region): Move to tree-flow.h.
9088 (root_omp_region): Export.
9089 (omp_regions, lookup_omp_region): Remove.
9090 (determine_parallel_type): Update for struct omp_region changes.
9091 (dump_omp_region): Dump regions with block numbers.
9092 (new_omp_region): Take type and block instead of stmt; malloc
9094 (free_omp_region_1, free_omp_regions): New.
9095 (expand_parallel_call): Take entry_stmt as argument; update for
9096 changes to omp_region.
9097 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9098 (remove_exit_barriers): New.
9099 (expand_omp_parallel): Update for struct omp_region changes.
9100 (expand_omp_synch): Likewise.
9101 (expand_omp): Likewise.
9102 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9103 (expand_omp_for_static_chunk): Likewise.
9104 (expand_omp_for): Likewise.
9105 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9106 (expand_omp_sections): Similarly, with GOMP_sections_end.
9107 (expand_omp_single): New.
9108 (build_omp_regions_1): Update for OMP_CONTINUE.
9109 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9110 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9111 OMP_SECTIONS_SECTIONS.
9112 (lower_omp_single_simple): Don't emit barrier here.
9113 (lower_omp_single_copy): Likewise.
9114 (lower_omp_single): Fix bindings, and lower to straightline now.
9115 (lower_omp_master, lower_omp_ordered): Likewise.
9116 (lower_omp_critical): Likewise.
9117 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9118 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9119 omp edges, free it afterward.
9120 (make_omp_sections_edges): Remove.
9121 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9122 (move_stmt_r): Handle OMP_CONTINUE.
9123 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9124 statement pointers to basic blocks. Add type member.
9125 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9126 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9127 * tree-inline.c (estimate_num_insns_1): Likewise.
9128 * tree-pretty-print.c (dump_generic_node): Likewise.
9129 * tree-ssa-operands.c (get_expr_operands): Likewise.
9130 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9131 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9132 (OMP_CONTINUE): New.
9133 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9134 (OMP_SECTIONS_SECTIONS): Remove.
9135 (OMP_SECTION_LAST): New.
9136 (OMP_RETURN_NOWAIT): New.
9138 2006-04-13 Roger Sayle <roger@eyesopen.com>
9140 * fold-const.c (native_encode_vector, native_interpret_real):
9141 Correct obvious mistakes in the previous check-in.
9143 2006-04-13 Roger Sayle <roger@eyesopen.com>
9145 * fold-const.c (native_encode_expr): New function to encode
9146 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9147 or VECTOR_CST into a specified buffer.
9148 (native_encode_int): New function.
9149 (native_encode_real): New function.
9150 (native_encode_complex): New function.
9151 (native_encode_vector): New function.
9152 (native_interpret_expr): Inverse of native_encode_expr to convert
9153 a target representation into an INTEGER_CST, REAL_CST etc...
9154 (native_interpret_int): New function.
9155 (native_interpret_real): New function.
9156 (native_interpret_complex): New function.
9157 (native_interpret_vector): New function.
9158 (fold_view_convert_expr): New function to constant fold/evaluate
9159 a VIEW_CONVERT_EXPR of a suitable constant expression.
9160 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9161 Change call of build1 to fold_build1 when constructing a
9164 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9165 Ulrich Weigand <uweigand@de.ibm.com>
9168 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9171 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9174 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9175 optimize to lo_sum for DFmode if !TARGET_FPRS.
9177 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9179 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9180 delete_alias_info, compute_flow_sensitive_aliasing,
9181 group_aliases): Use VEC instead of VARRAY.
9182 * tree-ssa-structalias.c (update_alias_info): Likewise.
9183 * tree-ssa-structalias.h (alias_info): Change the type of
9184 processed_ptrs to VEC(tree,heap) *.
9186 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9189 * config/sh/lib1funcs.h: New file, broken out of:
9190 * config/sh/lib1funcs.asm.
9191 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9193 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9194 * config/sh/lib1funcs-Os-4-200.asm: New file.
9195 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9196 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9197 (EXTRA_MULTILIB_PARTS): Include it.
9198 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9199 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9200 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9201 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9204 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9206 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9207 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9208 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9210 * tree-ssa-live.h: Include vecprim.h.
9211 (tree_partition_associator_d): Change the type of
9212 first_partition to VEC(int,heap) *.
9213 (tpa_first_partition): Use VEC instead of VARRAY.
9215 * Makefile.in (GTFILES): Move functions.h after tree.h.
9216 * function.c (reset_block_changes, record_block_change,
9217 check_block_change, free_block_changes): Use VEC instead of
9219 * function.h (function): Change the type of
9220 ib_boundaries_block to VEC(tree,gc) *.
9221 * tree-inline.c (copy_cfg_body): Initialize
9222 ib_boundaries_block to NULL instead of (varray_type) 0.
9224 2006-04-12 Roger Sayle <roger@eyesopen.com>
9226 * expr.c (emit_group_store): Correct operand order in call to
9227 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9228 a SUBREG_BYTE of zero.
9230 2006-04-12 Richard Guenther <rguenther@suse.de>
9232 * profile.c (compute_branch_probabilities): Remove code
9233 encapsulated in !ir_type (), which are remanents of the
9234 removed RTL profiling code.
9235 * rtl-profile.c: Remove.
9237 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9239 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9240 magic NULL_RTX comment.
9241 (function_arg): Store entire fp arg to mem if any part should go
9243 (rs6000_arg_partial_bytes): Adjust for above change.
9245 2006-04-11 Roger Sayle <roger@eyesopen.com>
9247 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9248 if it hasn't been initialized by dwarf2out_init.
9250 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9252 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9253 symbolic constants in branch patterns.
9255 2006-04-11 Roger Sayle <roger@eyesopen.com>
9257 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9259 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9261 PR rtl-optimization/27073
9262 * gcse.c (try_replace_reg): Revert last change. Continue to search
9263 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9266 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9268 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9269 aggregate types other than record and union types.
9270 (function_arg): Likewise.
9271 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9273 (function_value): In 64-bit mode, return objects that require it
9276 2006-04-11 Roger Sayle <roger@eyesopen.com>
9278 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9280 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9282 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9284 2006-04-03 Jeff Law <law@redhat.com>
9287 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9288 alias information too.
9290 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9292 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9294 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9297 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9298 (premark_used_types_helper): New.
9299 (premark_used_types): New.
9300 (gen_subprogram_die): Call premark_used_types.
9301 (prune_unused_types_walk): Do not prune perennial dies.
9302 * function.c (used_types_insert): New.
9303 * function.h (struct function): Add used_types_hash field.
9304 (used_types_insert): Add prototype.
9305 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9306 * c-parser.c (c_parser_cast_expression): Save casted types in used
9309 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9312 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9313 rs6000_explicit_options.float_gprs.
9315 2006-04-10 Roger Sayle <roger@eyesopen.com>
9317 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9318 from ix86_expand_vector_init_low_nonzero. Take an additional
9319 one_var argument indicating which element is non-zero. Support
9320 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9321 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9322 with one_var instead of ix86_expand_vector_init_low_nonzero.
9324 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9326 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9327 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9328 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9329 build/genextract.o): Depend on vecprim.h.
9330 * cfglayout.c, df-problems.c, function.c, genextract.c,
9331 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9332 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9336 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9338 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9339 Declare VECs of this type.
9340 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9341 (remove_children): Delete.
9342 (add_dwarf_attr): Use VEC routines.
9343 (add_AT_flag): Update for changes to add_dwarf_attr.
9344 (add_AT_int): Likewise.
9345 (add_AT_unsigned): Likewise.
9346 (add_AT_long_long): Likewise.
9347 (add_AT_vec): Likewise.
9348 (add_AT_string): Likewise.
9349 (add_AT_die_ref): Likewise.
9350 (add_AT_fde_ref): Likewise.
9351 (add_AT_loc): Likewise.
9352 (add_AT_loc_list): Likewise.
9353 (add_AT_addr): Likewise.
9354 (add_AT_lbl_id): Likewise.
9355 (add_AT_lineptr): Likewise.
9356 (add_AT_macptr): Likewise.
9357 (add_AT_offset): Likewise.
9358 (add_AT_range_list): Likewise.
9359 (get_AT): Use VEC_iterate.
9360 (remove_AT): Use VEC_ordered_remove.
9361 (free_die): Fold remove_children into here; have it use VEC_iterate.
9362 (print_die): Use VEC_iterate on attrs.
9363 (reverse_die_lists): Don't reverse attr lists.
9364 (die_checksum): Use VEC_iterate on attrs.
9365 (same_die_p): Likewise.
9366 (output_location_lists): Likewise.
9367 (build_abbrev_table): Likewise.
9368 (size_of_die): Likewise.
9369 (unmark_all_dies): Likewise.
9370 (output_abbrev_section): Likewise.
9371 (output_die): Likewise.
9372 (prune_unused_types_walk_attribs): Likewise.
9374 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9376 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9378 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9381 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9383 2006-04-09 Roger Sayle <roger@eyesopen.com>
9385 * expr.c (store_constructor): Don't bother clearing target if
9386 we're about to assign a vector to it using vec_init_optab.
9388 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9390 * tree-ssa-alias.c (lhs_may_store_to): New function.
9391 (recalculate_used_alone): Handle LHS of calls.
9393 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9397 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9398 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9399 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9400 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9401 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9402 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9403 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9404 stubs. Add ".align 8" directives before all ".dword" directives.
9405 (GTHREAD_USE_WEAK): Revise comment.
9406 (TARGET_ATTRIBUTE_WEAK): Define.
9407 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9408 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9409 * stublib.c: New file.
9414 * pa.md (cbranch patterns): Revise arguments used in calls to
9415 output_cbranch, output_bb and output_bvd. Add long branch length
9417 (fbranch patterns): Handle long branches.
9418 (jump): Revise length check. Revise arguments for output_lbranch call.
9419 Add long branch length attributes.
9420 (decrement_and_branch_until_zero): Add long branch length attributes.
9421 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9422 Likewise. Revise arguments for output_parallel_addb and
9423 output_parallel_movb calls.
9424 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9425 output_parallel_movb and output_parallel_addb): Update prototypes.
9426 * pa.c (output_cbranch): Revise arguments. Correct handling of
9427 nullification in long branches.
9428 (output_lbranch): Add new argument to control extraction of delay
9430 (output_bb): Handle long branches.
9431 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9432 output_parallel_addb): Likewise.
9434 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9436 PR rtl-optimization/27073
9437 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9440 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9442 * tree.h (tree_memory_tag): Add old_used_alone.
9443 (SMT_OLD_USED_ALONE): New macro.
9444 * tree-ssa-alias.c (recalculate_used_alone): Stop
9445 marking things for renaming unnecessarily.
9447 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9449 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9450 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9451 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9452 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9453 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9454 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9455 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9456 spelling convensions.
9457 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9458 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9459 typos. Follow spelling conventions.
9461 2006-04-07 DJ Delorie <dj@redhat.com>
9463 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9464 passed on the stack.
9465 (m32c_init_cumulative_args): When a function returns a structure,
9466 always pass the pointer to that return area on the stack.
9467 (m32c_function_arg_advance): Don't increment the parameter number
9468 if we're processing the returned structure pointer.
9469 (pushm_info): Reverse order of registers.
9471 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9473 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9474 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9475 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9476 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9478 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9479 chrec_fold_multiply): Same.
9480 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9481 force_expr_to_var_cost): Same.
9482 * tree-mudflap.c (mf_xform_derefs_1): Same.
9483 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9485 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9487 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9488 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9491 2006-04-07 Jan Hubicka <jh@suse.cz>
9493 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9495 2006-04-07 Richard Guenther <rguenther@suse.de>
9497 PR tree-optimization/26135
9498 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9499 loads for store copy-prop.
9500 (copy_prop_visit_stmt): Likewise.
9502 2006-04-05 Robert Millan <robertmh@gnu.org>
9504 * config/i386/linux.h: Add a comment to mark macros that are
9505 being overriden in config/k*bsd-gnu.h.
9506 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9508 * config/knetbsd-gnu.h: Ditto.
9510 2006-04-06 Jan Hubicka <jh@suse.cz>
9514 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9517 2006-04-06 Mike Stump <mrs@apple.com>
9519 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9520 for HAVE_nonlocal_goto to be consistent.
9521 (expand_builtin_nonlocal_goto): Likewise.
9522 (expand_builtin_strcmp): Use #ifdef instead of #if
9523 for HAVE_cmpstrnsi to be consistent.
9525 2006-04-05 DJ Delorie <dj@redhat.com>
9527 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9530 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9532 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9533 got-relative addressing for anything but SImode.
9535 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9536 even if the calling function doesn't modify them.
9538 2006-04-05 Richard Guenther <rguenther@suse.de>
9540 PR tree-optimization/26919
9541 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9542 to cgraph_estimate_size_after_inlining.
9544 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9546 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9548 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9550 PR tree-optimization/26996
9551 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9552 VECTOR_TYPE variables.
9554 2006-04-05 Richard Guenther <rguenther@suse.de>
9556 PR tree-optimization/26763
9557 * fold-const.c (fold_comparison): Move folding of
9558 PTR + CST CMP PTR + CST ...
9559 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9561 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9563 * doc/install.texi (Prerequisites): Refine some wording on
9564 bootstrapping and ksh.
9565 Move the version numbers of DejaGnu here from the testing section
9566 and fix casing of names.
9567 Fix markup and clarify wording for autogen requirements.
9568 Refer to GCJ instead of just java.
9569 Refer to SVN instead of CVS.
9570 Describe diffutils as useful instead of necessary.
9571 (Downloading the source): Refer to SVN instead of CVS.
9572 Adjust a link to our web site accordingly.
9573 (Configuration): Fix casing of Bison.
9574 (Building): Refer to SVN instead of CVS.
9575 Fix a sentence on the use of Bison and remove duplicate (and
9576 incorrect) version number of Bison requirement.
9577 Remove one redundant list of packages needed for building.
9578 (Specific): Avoid reference to CVS.
9580 2006-04-04 Eric Christopher <echristo@apple.com>
9582 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9583 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9584 (rs6000_handle_struct_attribute): New.
9585 (rs6000_ms_bitfield_layout_p): Ditto.
9587 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9589 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9590 NULL for dso parameter to atexit_common.
9592 2006-04-04 Eric Christopher <echristo@apple.com>
9594 * config/i386/i386.c (machopic_output_stub): Output \t
9595 between instructions and operands.
9597 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9599 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9600 satisfies_constraint_[IL] to explicit tests on value.
9602 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9604 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9605 set_nb_iterations_in_loop): Use build_int_cst instead of
9607 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9608 build_int_cst instead of convert.
9610 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9612 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9613 new value 2 for incoming.
9614 * function.c (expand_function_start): Call struct_value_rtx
9616 * config/sparc/sparc.md: Comment updated_return.
9617 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9618 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9619 struct return if sparc_std_struct_return and incoming is 2.
9620 (print_operand): Do not adjust return if
9621 sparc_std_struct_return.
9623 2006-04-04 Roger Sayle <roger@eyesopen.com>
9625 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9626 convert in the middle-end.
9627 * expr.c (store_expr, store_constructor, get_inner_reference,
9628 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9630 * tree.c (build_range_type): Likewise.
9632 2006-04-04 Tom Tromey <tromey@redhat.com>
9634 * doc/install.texi (Prerequisites): Mention jar.
9636 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9638 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9641 2006-04-04 Matthias Klose <doko@debian.org>
9643 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9647 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9650 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9652 * doc/extend.texi (Function Attributes): Rewrite visibility
9653 attribute documentation.
9654 * doc/invoke.texi (C++ Dialect Options): Rewrite
9655 -fvisibility-inlines-hidden documentation to describe something
9656 entirely different, although in practise compatible.
9657 (Code Gen Options): Warn about system headers in -fvisibility=
9660 * doc/extend.texi (Other Builtins): Document that
9661 __builtin_nan is a compile-time constant only when its argument
9664 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9666 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9667 trying to remove TRUNCATE check if all bits outside the new mode
9668 are identical to the sign bit.
9670 2006-04-03 Jeff Law <law@redhat.com>
9672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9673 and operand scanning in some common cases.
9675 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9676 Dale Johannesen <dalej@apple.com>
9679 * regclass.c (struct reg_pref): Update documentation.
9680 (regclass): Set prefclass to NO_REGS if memory is the best option.
9681 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9682 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9683 into account. For non-registers, equate an empty preferred
9684 reload class to a `!' in the constraint; move the if clause to
9685 do so after those that reject the insn.
9686 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9688 (find_dummy_reload): Likewise.
9689 * doc/tm.texi (Register Classes): Document what it means
9690 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9691 * config/i386/i386.c (ix86_preferred_reload_class): Force
9692 using SSE registers (and return NO_REGS for floating-point
9693 constants) if math is done with SSE.
9694 (ix86_preferred_output_reload_class): New.
9695 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9696 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9697 * config/i386/i386.md: Remove # register preferences.
9699 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9702 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9703 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9704 the type of nb_iter.
9705 (instantiate_parameters_1): Convert the operands before calling
9706 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9707 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9709 2006-04-02 Roger Sayle <roger@eyesopen.com>
9711 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9712 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9714 * dojump.c (do_jump): Likewise.
9715 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9716 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9717 gimplify_boolean_expr): Likewise.
9718 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9719 * varasm.c (array_size_for_constructor): Likewise.
9720 * tree-object-size.c (compute_object_offset): Likewise.
9722 2006-04-02 Roger Sayle <roger@eyesopen.com>
9725 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9726 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9728 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9730 PR tree-optimization/26939
9731 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9735 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9736 at_stmt. Convert the type of operands before calling
9737 build_polynomial_chrec.
9738 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9740 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9741 (instantiate_parameters_1): Convert the type of operands before calling
9742 build_polynomial_chrec.
9743 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9744 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9745 reset_evolution_in_loop): Insert asserts to check the types of the
9747 (chrec_type): Moved...
9748 (eq_evolutions_p): Use operand_equal_p.
9749 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9750 the types of the operands.
9751 (chrec_type): ...here.
9752 * tree-data-ref.c (create_data_ref): Convert the operands before
9753 calling chrec_replace_initial_condition.
9754 (same_access_functions, analyze_subscript_affine_affine,
9755 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9756 (compute_subscript_distance, analyze_ziv_subscript,
9757 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9758 analyze_miv_subscript): Convert the operands before calling
9759 chrec_fold_minus or chrec_fold_plus.
9761 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9763 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9764 the dependence_relations vector.
9765 (compute_data_dependences_for_loop): Adjust call to
9766 compute_all_dependences.
9768 2006-04-01 Roger Sayle <roger@eyesopen.com>
9769 Richard Henderson <rth@redhat.com>
9771 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9772 gimple_boolify on the condition before calling gimplify_expr.
9774 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9776 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9777 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9778 the frame size. Update to use the new macros.
9779 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9780 * config/xtensa/ieee754-df.S: Likewise.
9782 2006-03-31 Richard Henderson <rth@redhat.com>
9784 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9785 (make_edges): ... here. Control fallthru creation with a local
9786 variable. Do not play with fake edges.
9787 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9788 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9791 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9793 * dwarf2.h (DW64_CIE_ID): Define.
9794 * dwarf2out.c (DWARF_CIE_ID): Define.
9795 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9796 length header. Use DWARF_CIE_ID.
9797 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9798 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9800 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9802 * config/sh/linux-atomic.asm: New file.
9803 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9805 2006-03-31 DJ Delorie <dj@redhat.com>
9807 * config/m32c/cond.md: Set condition flags properly throughout.
9808 * config/m32c/minmax.md: Likewise.
9809 * config/m32c/prologue.md: Likewise.
9810 * config/m32c/bitops.md: Likewise.
9811 * config/m32c/muldiv.md: Likewise.
9812 * config/m32c/mov.md: Likewise.
9813 * config/m32c/addsub.md: Likewise.
9814 * config/m32c/m32c.md: Likewise.
9815 * config/m32c/jump.md: Likewise.
9816 * config/m32c/shift.md: Likewise.
9818 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9819 conditionally output the pattern for this.
9820 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9821 (m32c_compare_redundant): New.
9822 (m32c_output_compare): New.
9823 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9825 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9826 dest, not src. Allow other 4-byte modes.
9828 2006-03-30 Denis Chertykov <denisc@overta.ru>
9830 * doc/md.texi: Refer to avr/constraints.md instead of
9833 2006-03-30 Roger Sayle <roger@eyesopen.com>
9835 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9836 signed vs. unsigned comparison failures on some hosts.
9838 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9841 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9842 change to FLOAT_REGS.
9844 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9845 (rs6000_override_options): Use it.
9846 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9847 only for -mabi=spe/no-spe and -mabi=altivec.
9849 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9851 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9854 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9856 * Makefile.in: Rename docdir to gcc_docdir.
9858 2006-03-30 Roger Sayle <roger@eyesopen.com>
9861 * expr.c (emit_group_store): Optimize group stores into a pseudo
9862 register by using a paradoxical subreg to initialize the destination
9863 if the first or last member of the group specifies a "low part".
9865 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9868 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9869 * target.h (struct gcc_target.speculate_insn): Change type of the
9870 second parameter to 'int'.
9871 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9872 the second operand of the DEPS_LIST.
9873 (copy_DEPS_LIST_list): Update reference to the second operand of the
9875 * rtl.h (alloc_DEPS_LIST): Update signature.
9876 * sched-int.h (ds_t): Change typedef to 'int'.
9877 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9879 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9881 * haifa-sched.c (try_ready): Change condition to restore
9882 non-speculative pattern of the instruction.
9883 (process_insn_depend_be_in_spec): Code to keep probability of the
9884 speculative dependence non-decreasing.
9886 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9888 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9889 (single_move_for_movmem): ... this. Also change all uses.
9890 (bfin_expand_strmov): Renamed to...
9891 (bfin_expand_movmem): ... this. Also change all uses.
9892 * config/bfin/bfin.md (movstrsi): Renamed to...
9893 (movstrsi): ...this.
9895 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9897 PR tree-optimization/26830
9899 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9900 (copy_prop_visit_stmt): Remove write-only variable ann.
9901 (init_copy_prop): Check variable loop depth here. Do not simulate
9902 memory-tag and virtual operand PHIs except for store copy prop.
9904 2006-03-30 Richard Guenther <rguenther@suse.de>
9906 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9907 variants with double arguments.
9909 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9911 * genpreds.c (write_tm_constrs_h): Delete variable p.
9912 * genconditions.c (write_header): Add tm-constrs.h to included
9914 * genpeep.c (main): Add toplev.h to included headers.
9915 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9916 (build/genpeep.o): Add toplev.h dependency.
9917 * config/rs6000/constraints.md: Add "W" constraint.
9919 2006-03-29 Roger Sayle <roger@eyesopen.com>
9921 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9922 sizes by correctly testing whether the size fits a host integer.
9923 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9924 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9925 SImode range for the default sizetype and bitsizetype.
9927 2006-03-29 Roger Sayle <roger@eyesopen.com>
9929 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9930 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9931 quickly if the argument is already of the correct type.
9932 Call fold_build1 instead of build1. Tidy up blank lines.
9934 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9936 * genemit.c (main): Add tm-constrs.h to included headers.
9937 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9938 * genpeep.c (main): Add tm-constrs.h to included headers.
9939 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9940 (write_tm_constrs_h): this and write complete file.
9941 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9942 (write_insn_preds_c): Add tm-constrs.h to included headers.
9943 (gen_constrs): New variable.
9944 (parse_option): Parse "-c".
9945 (main): Invoke write_tm_constrs_h.
9946 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9947 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9948 (object_out_file): Add tm-constrs.h dependency.
9949 (insn-emit.o): Same.
9950 (insn-output.o): Same.
9951 (insn-peep.o): Same.
9952 (insn-preds.o): Same.
9953 (insn-recog.o): Same.
9954 (tm-constsr.h): New target.
9955 (s-constrs-h): New target.
9957 * config/rs6000/constraints.md: New file.
9958 * config/rs6000/rs6000.c: Include tm-constrs.h.
9959 (num_insn_constant_wide): Convert to satisfies_constraint.
9960 (rs6000_rtx_costs): Convert to satisfies_constraint.
9961 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9962 (CONST_OK_FOR_LETTER_P): Delete.
9963 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9964 (EXTRA_CONSTRAINT): Delete.
9965 (EXTRA_MEMORY_CONSTRAINT): Delete.
9966 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9967 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9968 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9969 satisfies_constraint.
9971 * config/i386/i386.c: Include tm-constrs.h.
9973 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9975 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9976 * tree-data-ref.c (find_data_references_in_loop,
9977 compute_data_dependences_for_loop): Use pointers to VEC.
9978 (analyze_all_data_dependences): Adjust calls.
9979 * tree-data-ref.h (find_data_references_in_loop,
9980 compute_data_dependences_for_loop): Adjust declarations.
9981 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9982 compute_data_dependences_for_loop.
9984 2006-03-29 Paul Brook <paul@codesourcery.com>
9986 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9989 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9991 PR tree-optimization/26859
9992 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9994 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9995 for the step after fold_convert.
9997 2006-03-29 Paul Brook <paul@codesourcery.com>
9999 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10000 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10002 2006-03-29 Paul Brook <paul@codesourcery.com>
10004 PR middle-end/23623
10005 * targhooks.c (default_narrow_bitfield): New fuction.
10006 * targhooks.h (default_narrow_bitfield): add prototype.
10007 * target.h (gcc_target): Add narrow_volatile_bitfield.
10008 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10009 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10010 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10011 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10013 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10015 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10017 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10018 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10019 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10020 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10021 (s390_function_arg_float): Allow SDmode and DDmode values to be
10022 passed in floating point registers.
10023 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10024 check with SCALAR_FLOAT_MODE_P.
10025 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10027 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10029 PR tree-optimization/25985
10030 * tree-ssa-loop-niter.c (number_of_iterations_le,
10031 number_of_iterations_ne): Make comments more precise.
10032 (number_of_iterations_cond): Add only_exit argument. Use the
10033 fact that signed variables do not overflow only when only_exit
10035 (loop_only_exit_p): New.
10036 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10037 number_of_iterations_cond.
10039 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10041 PR tree-optimization/26643
10042 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10045 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10047 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10048 (divsi3_i4_int): Likewise.
10050 2006-03-28 Roger Sayle <roger@eyesopen.com>
10052 * expr.c (emit_group_store): Only create a new pseudo reg if the
10053 quantity it needs to hold isn't already a suitable pseudo.
10055 2006-03-28 Jeff Law <law@redhat.com>
10057 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10058 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10060 2006-03-28 Roger Sayle <roger@eyesopen.com>
10062 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10063 the equivalent ~X & Y, and the symmetry related transformations.
10064 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10065 ~X & Y, and symmetry related transforms.
10067 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10069 Revert my 2006-03-27 patches.
10071 2006-03-28 Roger Sayle <roger@eyesopen.com>
10073 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10074 ~(T1)X, when T1 and T2 are integer types of the same precision
10075 and (T2)X isn't an extension.
10077 2006-03-28 Jeff Law <law@redhat.com>
10079 PR tree-optimization/26796
10080 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10081 need EH edge cleanups rather than purging them immediately.
10082 (eliminate_degenerate_phis): Handle queued EH cleanups.
10084 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10086 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10089 2006-03-27 Roger Sayle <roger@eyesopen.com>
10091 PR middle-end/22524
10092 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10093 cast BIT_NOT_EXPR operand to the correct type.
10095 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10097 * tree-loop-linear.c: Don't include varray.h.
10098 (gather_interchange_stats, try_interchange_loops,
10099 linear_transform_loops): Use VEC instead of VARRAY.
10100 * lambda-mat.c: Don't include varray.h.
10101 * tree-chrec.c: Same.
10102 * lambda-trans.c: Same.
10103 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10104 VEC instead of VARRAY.
10105 * tree-vectorizer.h: Idem.
10106 * tree-data-ref.c (dump_data_references,
10107 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10108 initialize_data_dependence_relation, finalize_ddr_dependent,
10109 compute_all_dependences, find_data_references_in_loop,
10110 compute_data_dependences_for_loop, analyze_all_data_dependences,
10111 free_dependence_relation, free_dependence_relations,
10112 free_data_refs): Idem.
10113 * tree-data-ref.h (data_reference_p, subscript_p): New.
10114 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10115 VEC instead of VARRAY.
10116 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10117 (find_data_references_in_loop, compute_data_dependences_for_loop,
10118 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10119 dump_data_dependence_relations, free_dependence_relations,
10120 free_data_refs): Adjust declaration.
10121 (lambda_transform_legal_p): Move declaration here...
10122 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10123 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10124 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10125 vect_analyze_data_refs): Use VEC instead of VARRAY.
10126 * lambda.h (lambda_transform_legal_p): ...from here.
10127 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10128 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10129 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10130 tree-chrec.o): Don't depend on VARRAY_H.
10132 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10134 * rtl.def (Copyright): Update date.
10135 (DEPS_LIST): Change type of the second operand to 'int'.
10136 * target.h (Copyright): Update date.
10137 (struct gcc_target.speculate_insn): Change type of the second parameter
10139 * lists.c (Copyright): Update date.
10140 (alloc_DEPS_LIST): Change signature. Update reference to the second
10141 operand of the DEPS_LIST.
10142 (copy_DEPS_LIST_list): Update reference to the second operand of the
10144 * rtl.h (Copyright): Update date.
10145 (alloc_DEPS_LIST): Update signature.
10146 * sched-int.h (Copyright): Update date.
10147 (ds_t): Change typedef to 'int'.
10148 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10150 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10152 * haifa-sched.c (Copyright): Update date.
10153 (try_ready): Change condition to restore non-speculative pattern
10154 of the instruction.
10155 (process_insn_depend_be_in_spec): Code to keep probability of the
10156 speculative dependence non-decreasing.
10158 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10160 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10161 shut up the compiler.
10163 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10165 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10166 to use lib prefix for target.
10167 ($(T)libic_invalidate_array_4-200.a): Likewise.
10168 ($(T)libic_invalidate_array_4a.a): Likewise.
10170 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10171 J"orn Rennecke <joern.rennecke@st.com>
10173 * superh.opt: New file.
10174 * sh.c (boardtype, osruntime): Remove.
10175 * superh.h (SUBTARGET_OPTIONS): Remove.
10176 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10178 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10179 arguments with ^ and/or [].
10181 * config.gcc (sh-*-*): Add quoting to account for quirk of
10183 Replace == with = in enable_incomplete_targets test.
10185 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10186 with MASK_LITTLE_ENDIAN.
10188 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10189 * config/sh/sh.opt: Added to some comments.
10190 * config/sh/superh.h: Removed some chaff.
10192 * config/sh/sh.opt: Add m4-[1234]00* options.
10193 * config/sh/sh.c (sh_handle_option): Likewise.
10194 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10195 (ic_invalidate_array_4-100.o): New rule.
10196 ($(T)libic_invalidate_array_4-100.a): Likewise.
10197 (ic_invalidate_array_4-200.o): Likewise.
10198 ($(T)libic_invalidate_array_4-200.a): Likewise.
10199 (ic_invalidate_array_4a.o): Likewise.
10200 ($(T)libic_invalidate_array_4a.a): Likewise.
10201 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10202 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10204 * config/sh/crt1.asm: Merged in profiling code.
10205 * config/sh/superh.h (STARTFILE_SPEC): Override.
10206 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10207 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10208 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10210 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10211 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10212 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10214 * sh.opt (mpretend-cmove): New option.
10215 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10216 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10217 (movsicc): Add TARGET_PRETEND_CMOVE code.
10219 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10221 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10222 s390_class_max_nregs): New function prototypes.
10223 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10224 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10225 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10226 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10228 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10230 * dwarf2out.c (add_location_or_const_value_attribute): Call
10231 tree_add_const_value_attribute if nothing else works.
10232 (reference_to_unused): New.
10233 (rtl_for_decl_init): Use reference_to_unused to decide whether
10234 to output an initializer.
10236 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10239 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10240 peephole removing spe frob_di_df_2.
10242 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10244 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10245 (subscript_dependence_tester_1): Declared.
10246 (print_dir_vectors, print_dist_vectors): New.
10247 (debug_data_dependence_relation): New.
10248 (dump_data_dependence_relation): Print more details.
10249 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10250 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10251 (save_dist_v, save_dir_v, add_outer_distances,
10252 build_classic_dist_vector_1): New.
10253 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10254 Don't test for lambda_vector_lexico_pos.
10255 (same_access_functions, add_multivariate_self_dist,
10256 add_other_self_distances, dir_from_dist): New.
10257 (build_classic_dir_vector): Replace implementation almost identical to
10258 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10260 (subscript_dependence_tester_1): New.
10261 (subscript_dependence_tester): Handle the lexicographically negative
10262 distance vectors by recomputing the dependence relation.
10263 (compute_affine_dependence): Remove parameter loop_nest_depth.
10264 (compute_self_dependence): Don't call compute_subscript_distance.
10265 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10266 Add a parameter for the loop_nest.
10267 (find_loop_nest_1, find_loop_nest): New.
10268 (compute_data_dependences_for_loop): Compute the loop nest, and give
10269 up if the nest is not well formed.
10270 * tree-data-ref.h (loop_p): New.
10271 (struct data_dependence_relation): Replace size_vect field with
10272 loop_nest, a vec of loops.
10273 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10274 (DDR_LOOP_NEST): New.
10275 (print_dir_vectors, print_dist_vectors,
10276 debug_data_dependence_relation): Declared.
10277 (index_in_loop_nest): New.
10278 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10279 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10282 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10284 * simplify-rtx.c (simplify_relational_operation): Call
10285 simplify_relational_operation_1 even if mode is VOIDmode.
10287 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10289 PR tree-optimization/26804
10290 * tree.h (DECL_CALL_CLOBBERED): New macro.
10291 (tree_decl_common): Add call_clobbered_flag.
10292 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10293 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10294 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10295 (mark_non_addressable): Ditto.
10296 * tree-ssa.c (verify_call_clobbered): New function.
10297 (verify_alias_info): Use it.
10298 * tree-pass.h (pass_reset_cc_flags): New prototype.
10299 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10300 (reset_cc_flags): New function.
10301 * passes.c (init_optimization_passes): Call reset_cc_flags after
10302 initializing referenced_vars.
10304 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10305 Roger Sayle <roger@eyesopen.com>
10307 PR middle-end/26717
10308 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10309 to 1.0 for non-real operands. Implement A / A optimization for
10312 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10314 * config/i386/i386.c (size_cost): Correct the comment for
10315 cost of storing fp registers.
10316 (i386_cost): Likewise.
10317 (i486_cost): Likewise.
10318 (pentium_cost): Likewise.
10319 (pentiumpro_cost): Likewise.
10320 (k6_cost): Likewise.
10321 (athlon_cost): Likewise.
10322 (k8_cost): Likewise.
10323 (pentium4_cost): Likewise.
10324 (nocona_cost): Likewise.
10325 (generic64_cost): Likewise.
10326 (generic32_cost): Likewise.
10328 2006-03-24 Denis Chertykov <denisc@overta.ru>
10330 * config/avr/avr-protos.h (extra_constraint): Delete.
10331 (extra_constraint_Q): New declaration.
10332 * config/avr/constraints.md: New file.
10333 * config/avr/avr.md: Include it.
10334 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10335 (TMP_REGNO, ZERO_REGNO): Likewise.
10336 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10337 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10338 (extra_constraint): Delete.
10339 (extra_constraint_Q): Test for memory constraint 'Q'.
10340 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10341 (REG_CLASS_FROM_LETTER): Delete.
10342 (CONST_OK_FOR_LETTER_P): Delete.
10343 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10344 (EXTRA_CONSTRAINT): Delete.
10345 (TMP_REGNO): Delete.
10346 (ZERO_REGNO): Delete.
10348 2006-03-24 Jeff Law <law@redhat.com>
10350 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10351 directly. Call mark_new_vars_to_rename slightly earlier.
10353 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10355 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10356 (is_cxx): Likewise.
10357 (gen_compile_unit_die): Use new language types for Objective-C and
10359 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10360 DW_LANG_C_plus_plus.
10363 * config/t-darwin (crt3.o): Work around bug 26840.
10364 * config/darwin-crt3.c: Rewrite.
10365 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10367 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10369 * doc/invoke.texi: Document -femit-class-debug-always
10370 * common.opt: Add -femit-class-debug-always.
10372 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10374 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10375 index and base register.
10376 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10377 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10378 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10379 REGNO_OK_FOR_INDEX_P.
10380 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10382 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10383 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10384 REG_OK_FOR_BASE_P): Definitions removed.
10386 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10388 PR middle-end/26611
10389 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10390 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10391 set yet or weren't marked as local yet.
10393 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10395 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10398 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10400 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10401 (rs6000_legitimate_small_data_p): Delete.
10402 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10403 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10404 and make static. Add forward declaration. Update uses.
10405 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10406 of offsettable_memref_p.
10407 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10408 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10410 2006-03-24 Jeff Law <law@redhat.com>
10412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10413 around bug in immediate-use iterator.
10415 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10418 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10419 or __LITTLE_ENDIAN__.
10421 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10423 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10424 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10425 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10426 * config/sh/sh.opt (mdiv=): Amend description.
10427 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10428 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10429 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10430 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10431 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10432 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10433 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10434 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10435 TARGET_DIVIDE_CALL_FP.
10437 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10439 * haifa-sched.c (choose_ready): Fix type of the local variable.
10440 Move local variables. Add comment.
10441 (check_reg_live): Change signature. Make callable from debugger.
10442 * sched-int.h (check_reg_live): Update signature.
10443 * sched-ebb.c (check_reg_live): Update parameters.
10444 * sched-rgn.c (check_reg_live): Ditto.
10445 (region_head_or_leaf_p): Check pointer before dereferencing.
10446 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10447 before reload on optimization levels below 1.
10449 2006-03-23 Richard Henderson <rth@redhat.com>
10451 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10455 * config/alpha/predicates.md (local_symbolic_operand): Reject
10458 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10461 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10462 expressions which have overflowed constants.
10464 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10466 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10468 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10470 * cfgloopmanip.c (create_loop_notes): Removed.
10471 * final.c (final_scan_insn): Do not handle loop notes.
10472 * jump.c (squeeze_notes): Ditto.
10473 * cfglayout.c (skip_insns_after_block,
10474 duplicate_insn_chain): Ditto.
10475 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10477 * cfgloop.h (create_loop_notes): Declaration removed.
10479 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10481 * varasm.c (output_constant_pool): Restore fnname and fndecl
10483 (assemble_start_function): Adjust call accordingly.
10484 (assemble_end_function): Likewise.
10486 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10489 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10492 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10494 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10497 * system.h (ICE_EXIT_CODE): New macro.
10498 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10499 (diagnostic_action_after_output): Likewise.
10500 * gcc.c (fatal_ice): New function.
10501 (execute): Use it instead of fatal.
10502 (fancy_abort): Likewise.
10503 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10505 2006-03-22 Jeff Law <law@redhat.com>
10507 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10508 iv_analyze_result returning false.
10510 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10512 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10514 2006-03-22 Richard Henderson <rth@redhat.com>
10516 PR middle-end/26084
10517 * except.c (duplicate_eh_regions_0): New.
10518 (duplicate_eh_region_1): Duplicate the children of the node as
10519 well as the node itself. Link them up properly.
10520 (duplicate_eh_region_2): Merge into ...
10521 (duplicate_eh_regions): ... here. Take copy_region argument, and
10522 copy only a sub-tree if asked. Simplify copying and fixup.
10523 (eh_region_outer_p): New.
10524 * except.h (duplicate_eh_regions): Update decl.
10525 (eh_region_outer_p): Declare.
10526 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10527 (lower_omp_master): Likewise.
10528 (lower_omp_ordered): Likewise.
10529 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10530 (move_stmt_r): Use it to remap labels. Handle recursion vs
10531 remap_decls_p properly.
10532 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10533 (find_outermost_region_in_block): New.
10534 (new_label_mapper): New.
10535 (move_sese_region_to_fn): Copy eh information to the new function
10537 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10539 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10542 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10544 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10545 into shared libraries.
10547 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10549 * doc/md.texi: Refer to i386/constraints.md instead of
10550 i386/predicates.md.
10551 * config/i386/constraints.md: New file, extracted from...
10552 * config/i386/predicates.md: ...here.
10553 * config/i386/i386.md: Include constraints.md.
10555 2006-03-21 Jason Merrill <jason@redhat.com>
10557 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10559 PR middle-end/20297
10560 * expr.c (init_block_move_fn): Force default visibility.
10561 (init_block_clear_fn): Likewise.
10562 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10563 * targhooks.c (default_external_stack_protect_fail): Likewise.
10565 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10567 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10568 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10569 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10570 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10571 (loadgp): Use mips_current_loadgp_style.
10572 (loadgp_noshared): New pattern.
10573 (sibcall_internal): Use MIPS_CALL.
10574 (sibcall_value_internal): Likewise.
10575 (sibcall_value_multiple_internal): Likewise.
10576 (call_internal): Likewise.
10577 (call_value_internal): Likewise.
10578 (call_value_multiple_internal): Likewise.
10579 (call_split): Use MIPS_CALL and add an 'S' constraint.
10580 (call_value_split): Likewise.
10581 (call_value_multiple_split): Likewise.
10582 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10583 (-mshared): New option.
10584 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10585 (mips_current_loadgp_style): Declare.
10586 * config/mips/mips.c (mips_classify_symbol): Avoid using
10587 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10588 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10589 TARGET_ABSOLUTE_ABICALLS.
10590 (override_options): Adjust comments. Improve the warning that is
10591 issued when -mabicalls and -G are used together.
10592 (mips_file_start): Remove comment.
10593 (mips_current_loadgp_style): New function.
10594 (mips_gnu_local_gp): New variable.
10595 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10597 (mips_output_function_prologue): Use mips_current_laodgp_style.
10598 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10599 the cprestore instruction.
10600 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10601 live for TARGET_ABSOLUTE_ABICALLS.
10602 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10603 (ASM_SPEC): Pass down -mshared and -mno-shared.
10604 (MIPS_CALL): New macro.
10605 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10607 * doc/invoke.texi (-mabicalls): Update documentation.
10608 (-mshared): Document.
10610 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10612 * config/ia64/unwind-hpux.c: New file.
10613 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10615 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10618 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10620 2006-03-21 Jeff Law <law@redhat.com>
10622 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10623 type conversions of a VR_VARYING source to a wider type.
10625 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10627 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10628 tm_file on Solaris 10 and later.
10629 (sparc64-*-solaris2*): Likewise.
10630 (sparc-*-solaris2*): Likewise.
10631 * config/sol26.h: Rename to config/sol2-6.h.
10632 * config/sol2-10.h: New file.
10634 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10637 * tree-ssa-pre.c (create_component_ref_by_pieces):
10640 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10643 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10644 return it immediately.
10646 2006-03-21 Michael Matz <matz@suse.de>
10648 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10650 (remove_arc, add_arc): Update num_out_arcs member.
10651 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10653 (cache_presence): New function.
10654 (compare_states_for_equiv): New function.
10655 (state_is_differed): Don't take number of outargs, adjust callers.
10656 Use new invariant for speeding up.
10657 (init_equiv_class): Create initial classes based on sorted
10659 (partition_equiv_class): Don't track out_arcs_num.
10660 (evaluate_equiv_classes): Call cache_presence on all states and
10663 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10665 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10666 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10667 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10668 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10670 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10671 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10672 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10673 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10674 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10676 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10677 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10678 (REGNO_REG_CLASS): ARGP is in PREGS.
10679 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10681 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10682 to deal with those addresses.
10683 * addresses.h: New file.
10684 * caller-save.c: Include "addresses.h".
10685 (init_caller_save): Use new base_reg_class function.
10686 * rtl-factoring.c: Include "addresses.h".
10687 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10688 * recog.c: Include "addresses.h".
10689 (preprocess_constraints): Use new base_reg_class function.
10690 * regrename.c: Include "addresses.h".
10691 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10692 functions. Keep track of a new var INDEX_CODE to compute valid
10694 (replace_oldest_value_addr): Likewise.
10695 (replace_oldest_value_mem): Use base_reg_class.
10696 * reload.c: Include "addresses.h".
10697 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10698 (find_reloads): Use new base_reg_class function.
10699 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10700 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10701 all callers and prototype changed.
10702 * reload1.c: Include "addresses.h".
10703 (maybe_fix_stack_asms): Use base_reg_class.
10704 * regclass.c: Include "addresses.h".
10705 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10706 (init_reg_autoinc): Use new base_reg_class function.
10707 (record_reg_classes): Likewise.
10708 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10709 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10710 Use new args to compute necessary class.
10712 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10713 regrename.o, rtl-factoring.o): Update dependencies.
10714 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10715 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10716 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10717 REG_OK_FOR_INDEX_P): Delete documentation.
10719 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10721 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10722 from V7 to V9 for Solaris 7 and above.
10724 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10726 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10727 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10728 argument pointers may not alias any other storage.
10729 * common.opt: Define option -fargument-noalias-anything.
10730 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10731 alias semantics is specified by flag_argument_noalias > 2.
10733 2006-03-20 Jeff Law <law@redhat.com>
10735 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10736 (pass_phi_only_cprop): Declare.
10737 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10738 with phi_only_cprop
10739 * tree-ssa-dom.c (degenerate_phi_result): New function.
10740 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10741 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10742 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10743 (eliminate_degenerate_phis): Likewise.
10744 (pass_phi_only_cprop): New pass descriptor.
10745 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10746 support code. Callers updated.
10747 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10748 (store_copy_prop): Likewise.
10749 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10751 2006-03-20 Jason Merrill <jason@redhat.com>
10754 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10755 (push_visibility, pop_visibility): Likewise.
10756 * c-pragma.h: Declare them.
10758 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10760 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10762 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10763 parameter and use get_ebb_head_tail.
10764 (sh_md_init_global): Adjust uses of find_regmode_weight.
10766 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10768 * function.h (struct function) <x_tail_recursion_reentry>:
10769 Rename to x_stack_check_probe_note.
10770 (tail_recursion_reentry): Rename to stack_check_probe_note.
10771 * function.c: Replace tail_recursion_reentry with
10772 stack_check_probe_note everywhere.
10773 (expand_function_start): Only emit a note for
10774 stack_check_probe_note with -fstack-protect.
10775 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10777 * emit-rtl.c (remove_unnecessary_notes): Remove.
10778 (pass_remove_unnecessary_notes): Remove.
10779 * rtl.h (remove_unnecessary_notes): Remove prototype.
10780 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10781 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10782 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10784 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10787 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10788 (valid_in_set): Handle ARRAY_REF.
10789 Change "if min_variant or VH" to asserts.
10790 (create_component_ref_by_pieces): Handle ARRAY_REF.
10791 (create_expression_by_pieces): Likewise.
10792 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10794 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10796 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10797 is operand of switch, not str[0].
10799 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10801 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10802 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10804 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10806 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10807 end of insn_extra_address_constraint declaration.
10809 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10811 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10812 (no-sum-in-toc): Same.
10813 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10815 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10816 NO_FP_IN_TOC for -fPIC instead of mask.
10818 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10819 (BOOT_LDFLAGS): Delete.
10821 * config/rs6000/t-aix52: Same.
10823 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10824 (stmsi[345678]_power): New.
10826 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10828 * config/ia64/ia64.opt: Add empty line to end of file.
10830 2006-03-17 Richard Guenther <rguenther@suse.de>
10832 PR middle-end/26721
10833 * builtins.c (get_pointer_alignment): For component style references
10834 adjust alignment to the component type alignment. Make sure
10835 to adjust alignment for component access of constants.
10837 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10839 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10840 unconditional jump.
10842 2006-03-17 Paul Brook <paul@codesourcery.com>
10844 * doc/install.texi: Docuemnt --with-mode.
10845 * config.gcc: Add --with-mode for arm*-*-*.
10846 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10848 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10850 * sh.c (max_labelno_before_reorg): New variable.
10851 (sh_reorg): Initialize it.
10852 (find_barrier): Check max_labelno_before_reorg before using
10853 label_to_alignment. Take length of explicit alignment insns
10854 into account. When seeing a UNSPECV_CONST_END, return it.
10856 * sh.c (fixup_mova): Set mode of affected label to QImode.
10857 (untangle_mova): New function.
10858 (find_barrier): Use it. Check mode of label before decrementing
10860 (sh_reorg): Likewise.
10861 Set mode of all insns back to VOIDmode.
10863 * sh.c (MOVA_LABELREF): New macro.
10864 (mova_p, fixup_mova, sh_reorg): Use it.
10865 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10866 ADDR_DIFF_VEC matches mova.
10868 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10870 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10871 with ATTRIBUTE_UNUSED.
10873 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10875 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10876 pointer, instead of assuming it is possible to derive the
10877 correct args size from a call insn.
10879 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10881 * rtl.h (CONST_INT_P): Define.
10882 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10883 instead of GET_CODE(x) == CONST_INT.
10884 (vax_rtx_costs): Likewise.
10885 (vax_output_int_move): Likewise.
10886 (vax_output_int_add): Likewise.
10887 (legitimate_constant_address_p): Likewise.
10888 (index_term_p): Likewise.
10889 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10890 * config/vax/vax.md (and<mode>3): Likewise.
10891 (ashrsi3): Likewise.
10893 (movstricthi): Likewise.
10894 (movstrictqi): Likewise.
10895 (rotrsi3): Likewise.
10896 (five unnamed insns): Likewise.
10898 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10900 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10901 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10902 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10903 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10904 Pass to ASM_OUTPUT_DWARF_OFFSET.
10905 * dwarf2out.c (debug_frame_section): New.
10906 (output_call_frame_info): Use debug_frame_section. Pass it to
10907 dw2_asm_output_offset.
10908 (output_die): Pass appropriate section to dw2_asm_output_offset.
10909 (output_compilation_unit_header): Likewise.
10910 (output_pubnames): Likewise.
10911 (output_aranges): Likewise.
10912 (enum dw_val_class): Break dw_val_class_lbl_offset into
10913 dw_val_class_lineptr and dw_val_class_macptr.
10914 (add_AT_lbl_offset): Delete.
10915 (add_AT_lineptr): New.
10916 (add_AT_macptr): New.
10917 (AT_lbl): Expect a lineptr or macptr.
10918 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10919 (attr_checksum): Likewise.
10920 (same_dw_val_p): Likewise.
10921 (size_of_die): Likewise.
10922 (value_format): Likewise.
10923 (output_die): Likewise.
10924 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10926 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10927 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10928 * config/darwin-protos.h (darwin_file_start): New.
10929 (darwin_asm_output_dwarf_offset): New.
10930 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10931 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10933 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10934 if not EH section; simplify.
10935 (darwin_file_start): New.
10936 (darwin_asm_output_dwarf_offset): New.
10937 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10939 (DEBUG_INFO_SECTION): Likewise.
10940 (DEBUG_ABBREV_SECTION): Likewise.
10941 (DEBUG_ARANGES_SECTION): Likewise.
10942 (DEBUG_MACINFO_SECTION): Likewise.
10943 (DEBUG_LINE_SECTION): Likewise.
10944 (DEBUG_LOC_SECTION): Likewise.
10945 (DEBUG_PUBNAMES_SECTION): Likewise.
10946 (DEBUG_STR_SECTION): Likewise.
10947 (DEBUG_RANGES_SECTION): Likewise.
10948 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10949 (ASM_OUTPUT_DWARF_OFFSET): New.
10951 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10953 * config.gcc (tm_defines): Always add to previous value rather
10956 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10958 * config/mips/predicates.md (splittable_const_int_operand): New,
10959 split from move_operand.
10960 (splittable_symbolic_operand): New.
10961 (move_operand): Add commentary. Use splittable_const_int_operand.
10962 Inline mips_atomic_symbolic_constant_p.
10963 * config/mips/mips.md: Add combine splitters for handling moves
10964 of splittable_const_int_operands and splittable_symbolic_operands.
10965 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10966 (mips_split_symbol): Declare.
10967 (mips_move_integer): Declare.
10968 * config/mips/mips.c (mips_split_p): Make global.
10969 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10970 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10971 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10972 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10973 (mips_offset_within_object_p): Handle block symbols.
10974 (mips_atomic_symbolic_constant_p): Delete.
10975 (mips_cannot_force_const_mem): Return false for constants that
10976 mips_legitimize_move can handle.
10977 (mips_use_blocks_for_constant_p): New function.
10978 (mips_split_symbol): Make global.
10979 (mips_move_integer): Likewise. Add a temporary register argument.
10980 (mips_legitimize_const_move): Use splittable_const_int_operand and
10981 splittable_symbolic_operand.
10982 (mips_use_anchors_for_symbol_p): New function.
10983 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10984 (mips_split_p): Declare.
10986 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10988 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10989 (mips*-*-linux*): Likewise.
10991 2006-03-16 Roger Sayle <roger@eyesopen.com>
10992 Daniel Speyer <dspeyer@wam.umd.edu>
10994 PR middle-end/18259
10995 * tree-dump.c (dump_real): New function.
10996 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10997 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10998 (tree-dump.o): Add $(REAL_H) to the dependencies.
11000 2006-03-16 Roger Sayle <roger@eyesopen.com>
11002 PR middle-end/21781
11003 * real.c (real_from_string): If the mantissa is zero, don't bother
11004 parsing the exponent as the result should always be zero.
11006 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11008 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11010 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11012 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11013 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11014 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11015 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11016 ia64_sched_finish_global): New static functions to implement
11017 hooks from gcc_target.sched.
11018 (spec_check_no, max_uid, pending_data_specs): New static variables.
11019 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11020 ia64_spec_check_src_p): New static functions.
11021 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11022 (TARGET_SCHED_ADJUST_COST): Removed.
11023 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11024 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11025 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11026 TARGET_SCHED_GEN_CHECK,
11027 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11028 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11029 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11030 Fixed to handle speculation checks.
11031 (rtx_needs_barrier): Fixed to handle speculative loads and
11033 (ia64_variable_issue): Added code to count speculative loads and their
11035 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11037 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11039 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11041 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11042 (ia64_reorg): Reset stops_p to NULL after it is freed.
11043 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11044 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11045 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11047 (data_speculative, control_speculative, check_load): New attributes.
11048 (mov<mode>_advanced, mov<mode>_speculative,
11049 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11050 zero_extend<mode>di2_speculative,
11051 zero_extend<mode>di2_speculative_advanced): New patterns for
11052 data and control speculative loads.
11053 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11055 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11056 New pattern for data and control speculation checks.
11057 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11058 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11059 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11060 Auxiliary definitions for the patterns.
11061 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11062 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11064 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11066 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11067 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11068 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11069 New resource constraints.
11070 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11072 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11073 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11074 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11075 msched-in-control-spec, msched-ldc, msched-control-ldc,
11076 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11077 msched-prefer-non-control-spec-insns,
11078 msched-count-spec-in-critical-path): New flags to tune speculative
11080 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11081 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11082 msched-in-control-spec, msched-ldc, msched-control-ldc,
11083 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11084 msched-prefer-non-control-spec-insns,
11085 msched-count-spec-in-critical-path): Document new flags.
11087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11089 * target.h (struct spec_info_def): New opaque declaration.
11090 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11091 speculate_insn, needs_block_p, gen_check,
11092 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11093 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11094 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11095 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11096 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11097 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11099 (TARGET_SCHED): Use new macros.
11100 * rtl.h (copy_DEPS_LIST_list): New prototype.
11101 * sched-int.h (struct sched_info): Change signature of new_ready field,
11102 adjust all initializations. New fields: add_remove_insn,
11103 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11104 region_head_or_leaf_p.
11105 (struct spec_info_def): New structure declaration.
11106 (spec_info_t): New typedef.
11107 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11108 recovery_block, orig_pat.
11109 (glat_start, glat_end): New variables declaraions.
11110 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11112 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11113 DETACH_LIFE_INFO, USE_GLAT.
11114 (enum SPEC_SCHED_FLAGS): New enumeration.
11115 (NOTE_NOTE_BB_P): New macro.
11116 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11117 attach_life_info, debug_spec_status, check_reg_live): New functions.
11118 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11119 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11121 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11122 * ddg.c (get_block_head_tail): Adjust all uses.
11123 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11124 (sms_sched_info): Initialize new fields.
11125 (contributes_to_priority): Removed.
11126 * haifa-sched.c (params.h): New include.
11127 (get_block_head_tail): Adjust all uses.
11128 (ISSUE_POINTS): New macro.
11129 (glat_start, glat_end): New global variables.
11130 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11131 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11132 old_last_basic_block, before_recovery, current_sched_info_var,
11133 rgn_n_insns, luid): New static variables.
11134 (insn_cost1): New function. Move logic from insn_cost to here.
11135 (find_insn_reg_weight1): New function. Move logic from
11136 find_insn_reg_weight to here.
11137 (reemit_notes, move_insn, max_issue): Change signature.
11138 (move_insn1): Removed.
11139 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11140 extend_bb): New static functions to support extension of scheduler's
11142 (generate_recovery_code, process_insn_depend_be_in_spec,
11143 begin_speculative_block, add_to_speculative_block,
11144 init_before_recovery, create_recovery_block, create_check_block_twin,
11145 fix_recovery_deps): New static functions to support
11146 generation of recovery code.
11147 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11148 restore_bb_notes, move_block_after_check, move_succs): New static
11149 functions to support ebb scheduling.
11150 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11151 functions to support handling of register live information.
11152 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11153 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11154 add_jump_dependencies): New static functions.
11155 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11156 consistancy checking.
11157 (debug_spec_status): New function to call from debugger.
11158 (priority): Added code to handle speculation checks.
11159 (rank_for_schedule): Added code to distinguish speculative instructions.
11160 (schedule_insn): Added code to handle speculation checks.
11161 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11162 Fixed to handle ebbs.
11163 (move_insn): Added code to handle ebb scheduling.
11164 (max_issue): Added code to use ISSUE_POINTS of instructions.
11165 (choose_ready): Added code to choose between speculative and
11166 non-speculative instructions.
11167 (schedule_block): Added code to handle ebb scheduling and scheduling of
11168 speculative instructions.
11169 (sched_init): Initialize new variables.
11170 (sched_finish): Free new variables. Print statistics.
11171 (try_ready): Added code to handle speculative instructions.
11172 * lists.c (copy_DEPS_LIST_list): New function.
11173 * sched-deps.c (extend_dependency_caches): New function. Move logic
11174 from create_dependency_caches to here.
11175 (get_dep_weak, ds_merge): Make global.
11176 * genattr.c (main): Code to output prototype for
11177 dfa_clear_single_insn_cache.
11178 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11179 (output_dfa_clean_insn_cache_func): Code to output
11180 dfa_clear_single_insn_cache function.
11181 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11183 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11185 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11186 New static variables.
11187 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11188 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11190 (ebb_sched_info): Initialize new fields.
11191 (get_block_head_tail): Adjust all uses.
11192 (compute_jump_reg_dependencies): Fixed to use glat_start.
11193 (schedule_ebb): Code to remove unreachable last block.
11194 (schedule_ebbs): Added code to update register live information.
11195 * sched-rgn.c (region_sched_info): Initialize new fields.
11196 (get_block_head_tail): Adjust all uses.
11197 (last_was_jump): Removed. Adjust users.
11198 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11199 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11200 Implement new hooks.
11201 (check_dead_notes1): New static function.
11202 (struct region): New fields: dont_calc_deps, has_real_ebb.
11203 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11204 (BB_TO_BLOCK): Fixed to handle EBBs.
11205 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11206 (ebb_head): New static variable.
11207 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11208 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11210 (compute_dom_prob_ps): New assertion.
11211 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11212 global_live_at_start.
11213 (init_ready_list): New assertions.
11214 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11215 (new_ready): Add support for BEGIN_CONTROL speculation.
11216 (schedule_insns): Fixed code that updates register live information
11218 (schedule_region): Fixed to handle EBBs.
11219 (init_regions): Use extend_regions and check_dead_notes1.
11220 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11221 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11222 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11223 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11224 TARGET_SCHED_GEN_CHECK,
11225 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11226 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11227 * doc/invoke.texi (max-sched-insn-conflict-delay,
11228 sched-spec-prob-cutoff): Document.
11230 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11232 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11233 inter_tick, queue_index.
11234 (struct sched_info): Change signature of init_ready_list field.
11235 Adjust all initializations.
11236 (RESOLVED_DEPS): New access macro.
11237 (ready_add): Remove prototype.
11238 (try_ready): Add prototype.
11239 * sched-rgn.c (init_ready_list): Use try_ready.
11240 (schedule_region): Initialize
11241 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11242 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11243 (init_ready_list): Use try_ready.
11244 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11245 * lists.c (remove_list_elem): Remove `static'.
11246 (remove_free_INSN_LIST_elem): New function.
11247 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11248 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11249 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11251 (readyp): New variable.
11252 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11253 change_queue_index, resolve_dep): New static functions.
11254 (try_ready): New function. Adjust callers in sched-rgn.c and
11255 sched-ebb.c to use it instead of ready_add.
11256 (clock_var): Move at the begining of file.
11257 (rank_for_schedule): Fix typo.
11258 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11259 (ready_lastpos): Enforce assertion.
11260 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11261 update all callers.
11262 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11263 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11264 (queue_to_ready): Use free_INSN_LIST_list.
11265 (early_queue_to_ready): Fix typo.
11266 (schedule_block): Init readyp. Move init_ready_list call after the
11267 initialization of clock_var. Fix error in rejecting insn by
11268 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11269 that previously corrected INSN_TICKs. Add code for handling
11271 (set_priorities): Fix typo.
11272 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11273 Clarify comment and code that keeps current_sched_info->next_tail
11276 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11278 * sched-rgn.c (extend_rgns): New static function.
11279 (find_rgns): Use it.
11280 (gather_region_statistics, print_region_statistics): New static
11282 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11283 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11286 Andrey Belevantsev <abel@ispras.ru>
11288 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11289 * lists.c (unused_deps_list): New variable.
11290 (free_list): Add assertions to verify the proper distinguishing
11291 between INSN_LISTs and DEPS_LISTs.
11292 (find_list_elem, remove_list_elem, remove_list_node): New static
11294 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11295 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11296 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11297 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11299 (free_INSN_LIST_node): Likewise.
11300 * modulo-sched.c (current_sched_info): Initialize flags field.
11301 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11302 * rtl.def (DEPS_LIST): Define.
11303 * rtl.h: Declare new functions from lists.c.
11304 * sched-deps.c (spec_dependency_cache): New static variable.
11305 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11306 (add_dependence): Change return type to void. Move the logic to ...
11307 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11308 (delete_all_dependences): Add comment about forward_dependency_cache.
11309 Handle spec_dependency_cache. Handle DEPS_LISTs.
11310 (fixup_sched_groups): Clarify the change of priority of output
11311 and anti dependencies.
11312 (sched_analyze_2): Adjust add_dependence calls to create data
11313 speculative dependence.
11314 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11315 Adjust all callers. Handle DEPS_LISTS.
11316 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11317 presence of speculation.
11318 (init_dependency_caches, free_dependency_caches):
11319 Handle spec_dependency_cache.
11320 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11321 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11322 New static functions.
11323 (add_or_update_back_dep, add_or_update_back_forw_dep,
11324 add_back_forw_dep, delete_back_forw_dep): New functions.
11325 * sched-int.h (ds_t, dw_t): New typedefs.
11326 (struct sched_info): Add new field flags.
11327 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11328 Prototype new sched-deps.c functions.
11329 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11330 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11331 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11332 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11333 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11334 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11336 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11338 * sched-rgn.c (current_sched_info): Initialize flags field.
11339 (schedule_insns): Initialize current_sched_info before the sched_init
11341 * sched-ebb.c (current_sched_info): Initialize flags field.
11342 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11343 Call add_or_update_back_dep instead of add_dependence.
11344 Create control speculative dependencies.
11345 (schedule_insns): Initialize current_sched_info before the sched_init
11348 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11350 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11352 (sh_fallback_frame_state): Likewise.
11354 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11356 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11357 Do switch on default_use_cxa_atexit.
11358 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11359 * config/darwin-crt3.o: New.
11360 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11361 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11362 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11364 * config/rs6000/t-darwin: Move crt2.o building to here.
11365 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11366 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11369 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11371 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11372 from '! xxx' to '!xxx' for coding-style conformance.
11373 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11374 (EXTRA_CONSTRAINT): Likewise.
11375 * config/vax/vax.md (four unnamed insns): Likewise.
11377 2006-03-15 Paul Brook <paul@codesourcery.com>
11379 * config/arm/arm.c (minipool_pad): New.
11380 (add_minipool_forward_ref): Include pool alignment padding in address
11382 (push_minipool_fix): Set minipool_pad.
11383 (minipool_pad): Ditto.
11385 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11387 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11388 instead of GET_CODE() == MEM and REG_P() instead of
11390 (print_operand_address): Likewise.
11391 (vax_address_cost): Likewise.
11392 (vax_rtx_costs): Likewise.
11393 (vax_notice_update_cc): Likewise.
11394 (vax_output_int_add): Likewise.
11395 (INDEX_REGISTER_P): Likewise.
11396 (BASE_REGISTER_P): Likewise.
11397 (nonindexed_address_p): Likewise.
11398 (vax_mode_dependent_address_p): Likewise.
11399 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11400 (PRINT_OPERAND): Likewise.
11401 * config/vax/vax.md (ashlsi3): Likewise.
11402 (ashlsi3): Likewise.
11403 (some more unnamed insns): Likewise.
11405 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11407 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11408 iterator-style macro.
11409 (mark_control_dependent_edges_necessary): Update the use of
11410 EXECUTE_IF_CONTROL_DEPENDENT.
11412 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11414 * config/sh/predicates.md (cache_address_operand): Special.
11415 (ua_address_operand): Likewise.
11417 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11419 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11421 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11423 2006-03-15 Andreas Schwab <schwab@suse.de>
11425 * gensupport.c (identify_predicable_attribute): Don't free p_false
11426 when it is still in use.
11428 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11430 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11431 the default setting here.
11433 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11435 * tree-pass.h (pass_cfg): Remove.
11436 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11437 * passes.c (pass_cfg): Don't run it.
11439 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11441 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11442 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11444 (stack_regs_mentioned): Update the uses of
11445 stack_regs_mentioned_data. Don't access the array beyond its
11447 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11448 Don't include gt-reg-stack.h.
11450 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11451 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11453 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11455 PR middle-end/26684
11456 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11459 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11461 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11463 2006-03-14 Richard Guenther <rguenther@suse.de>
11465 PR tree-optimization/26672
11466 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11469 2006-03-14 Richard Guenther <rguenther@suse.de>
11471 PR tree-optimization/26667
11472 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11473 node for the callees. Always allow inlining if it will shrink
11476 2006-03-14 Richard Guenther <rguenther@suse.de>
11478 PR middle-end/26659
11479 * builtins.c (get_pointer_alignment): Prefer alignment
11480 information from decls over that from types.
11482 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11485 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11487 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11489 * config/rs6000/rs6000.opt (mdlmzb): New option.
11490 (msched-prolog, msched-epilog): Use Var not Mask.
11491 * doc/invoke.texi (-mdlmzb): Document.
11492 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11494 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11495 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11497 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11499 PR rtl-optimization/25739
11500 * bt-load.c (augment_live_range): Free tos pointer.
11502 * gensupport.c (identify_predicable_attribute): Free
11504 * gcov.c (create_file_names): Free name pointer.
11506 2006-03-13 Roger Sayle <roger@eyesopen.com>
11508 PR middle-end/26557
11509 * stmt.c (emit_case_nodes): Handle the case where the index is a
11510 CONST_INT, where the comparison mode is specified by the index type.
11512 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11514 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11517 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11519 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11520 (*branch_fp_inverted): Likewise.
11522 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11524 PR middle-end/25989
11525 * omp-low.c (expand_omp_for_generic): Mark istart0
11526 and iend0 as addressable.
11528 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11530 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11532 2006-03-13 Jeff Law <law@redhat.com>
11534 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11535 virtual operands are interesting.
11536 (vrp_visit_stmt): Corresponding changes.
11538 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11540 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11542 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11543 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11544 * config/bfin/crti.S: Use it instead of __PIC__.
11545 * config/bfin/crtn.S: Likewise.
11547 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11548 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11550 Lose 'G' modifier for call operand.
11551 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11552 recognize 'G' modifier.
11554 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11556 PR middle-end/18859
11557 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11558 * stmt.c (expand_case): Likewise.
11560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11562 PR rtl-optimization/26254
11563 * loop-invariant.c (seq_insns_valid_p): New function.
11564 (move_invariant_reg): Only emit new code if it is valid.
11566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11568 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11570 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11571 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11572 (commit_one_edge_insertion): Do not look for loop notes.
11574 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11576 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11577 flag_test_coverage out of loop.
11579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11581 * final.c (shorten_branches): Remove outdated comment, and turn
11582 the if branch that guards it to continue.
11584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11586 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11587 * cfgloop.h (struct loop): Remove unused fields.
11589 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11591 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11592 (-dL, -fdump-rtl-loop2): Update the dump file names
11594 * doc/invoke.texi: Update dump file names.
11596 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11598 * predict.c (estimate_probability): Remove.
11599 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11600 * basic-block.h (estimate_probability): Remove prototype.
11601 * passes.c (finish_optimization_passes): Dump branch prediction or
11602 profiling heuristics to the .profile tree dump.
11603 (init_optimization_passes): Unqueue pass_branch_prob.
11605 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11607 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11609 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11610 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11612 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11614 * function.h (frame_offset_overflow): Declare.
11615 * function.c (frame_offset_overflow): New function.
11616 (assign_stack_local_1): Call it to detect that the offset overflows.
11617 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11619 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11621 * config/sh/sh.c: Include alloc-pool.h.
11622 (label_ref_list_pool): New alloc pool.
11623 (label_ref_list_t): New type for lists of labels.
11624 (struct pool_node): Make wend a label_ref_list_t.
11625 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11627 (dump_table): Likewise.
11628 (sh_reorg): Set up the alloc pool before using add_constant and
11629 dump_table, and destroy it when finishing.
11631 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11633 * config/mips/mips.c: Remove redundant comment.
11635 2006-03-10 Jason Merrill <jason@redhat.com>
11638 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11639 the target was declared 'register'.
11641 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11643 * genpreds.c (write_insn_constraint_len): Change definition of
11644 insn_constraint_len to return size_t to match the declaration.
11646 2006-03-10 DJ Delorie <dj@redhat.com>
11648 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11650 (m32c_expand_insv): Fix test for an AND mask.
11652 2006-03-10 Richard Guenther <rguenther@suse.de>
11654 PR middle-end/26565
11655 * builtins.c (get_pointer_alignment): Handle component
11656 references for field alignment.
11658 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11660 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11661 when building with libgloss.
11662 (sh*elf): Implement --without-fp option.
11663 (sh64-superh-linux*): Don't multilib.
11665 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11667 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11669 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11671 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11672 Set it when one of the replacement functions returned true.
11673 Return TODO_cleanup_cfg if cfgchanged is true.
11674 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11676 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11678 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11679 instead of gen_lowpart.
11681 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11683 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11685 (mips_output_order_conditional_branch): Declare.
11686 * config/mips/mips.h (MIPS_BRANCH): New macro.
11687 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11688 for the comparison. Use gen_condjump.
11689 (mips_output_conditional_branch): Rework interface to take the
11690 asm templates for a direct branch and the inverse of a direct branch.
11691 (mips_output_order_conditional_branch): New function.
11692 (mips_builtin_branch_and_move): New function.
11693 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11694 branch condition. Use gen_single_cc as the condition for
11695 __builtin_mips_upper_* or __builtin_mips_lower_*.
11696 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11697 Use VOIDmode for the branch condition.
11698 * config/mips/predicates.md (order_operator): New predicate.
11699 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11700 (branch_fp): Rename to...
11701 (*branch_fp): ...this. Remove mode from comparison operator.
11702 Use new mips_output_conditional_branch interface.
11703 (branch_fp_inverted): Rename to...
11704 (*branch_fp_inverted): ...this and update as for *branch_fp.
11705 (*branch_zero<mode>): Rename to...
11706 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11707 Use mips_output_order_conditional_branch. Only accept ordered
11709 (*branch_zero<mode>_inverted): Rename to...
11710 (*branch_order<mode>_inverted): ...this and update as for
11711 *branch_order<mode>.
11712 (*branch_equality<mode>): Accept zero as the second operand to
11713 the equality operator. Use the new mips_output_conditional_branch
11715 (*branch_equality<mode>_inverted): Likewise.
11716 (condjump): New expander.
11717 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11719 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11720 (bc1any2t, bc1any2f): Likewise.
11721 (single_cc): New expander.
11722 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11724 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11726 * doc/md.texi: Update documentation of MIPS constraints.
11727 * config/mips/constraints.md: New file.
11728 * config/mips/mips.md: Include it.
11729 * config/mips/mips.c (mips_char_to_class): Delete.
11730 (override_options): Don't initialize mips_char_to_class.
11731 * config/mips/mips.h (mips_char_to_class): Delete.
11732 (REG_CLASS_FROM_LETTER): Delete.
11733 (CONST_OK_FOR_LETTER_P): Delete.
11734 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11735 (EXTRA_CONSTRAINT_Y): Delete.
11736 (EXTRA_CONSTRAINT_STR): Delete.
11737 (CONSTRAINT_LEN): Delete.
11738 (EXTRA_MEMORY_CONSTRAINT): Delete.
11740 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11742 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11743 original fn's eh regions.
11745 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11747 * fold-const.c (build_range_check): Make sure to use a valid type to
11748 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11751 (range_predecessor): New static function.
11752 (range_successor): Likewise.
11753 (merge_ranges): Use them to compute predecessors and successors of
11756 2006-03-09 Roger Sayle <roger@eyesopen.com>
11758 PR middle-end/26561
11759 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11760 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11762 2006-03-08 DJ Delorie <dj@redhat.com>
11764 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11765 (addpsi3): Expand to include memory operands. Remove
11766 reload-specific splits.
11767 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11768 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11769 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11770 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11771 (shift1_qi, shift1_hi, insv): New.
11772 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11773 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11774 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11776 * config/m32c/m32c-protos.h: Update as needed.
11777 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11778 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11779 Fail for unrecognized R* constraints.
11780 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11781 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11782 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11784 (m32c_init_libfuncs): New.
11785 (m32c_legitimate_address_p): Add debug wrapper.
11786 (m32c_rtx_costs): New.
11787 (m32c_address_cost): New.
11788 (conversions): Add 'B' prefix.
11789 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11790 operands, or word regnames for QI operands. 'B' prints bit
11792 (m32c_expand_setmemhi): New.
11793 (m32c_expand_movmemhi): New.
11794 (m32c_expand_movstr): New.
11795 (m32c_expand_cmpstr): New.
11796 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11797 (m32c_expand_neg_mulpsi3): Handle non-ints.
11798 (m32c_cmp_flg_0): New.
11799 (m32c_expand_movcc): New.
11800 (m32c_expand_insv): New.
11801 (m32c_scc_pattern): New.
11802 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11803 a0/a1 out of SIregs.
11804 (STORE_FLAG_VALUE): New.
11805 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11808 * config/m32c/mov.md: Make constraints more liberal.
11809 (zero_extendqihi2): Optimize r0/r1 case.
11810 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11811 * config/m32c/predicates.md (m32c_any_operand): New.
11812 (m32c_nonimmediate_operand): New.
11813 (m32c_hl_operand): New.
11814 (m32c_r3_operand): New.
11817 (memsym_operand): New.
11818 (memimmed_operand): New.
11819 (a_qi_operand): New.
11820 (m32c_eqne_operator): New.
11821 (m32c_1bit8_operand): New.
11822 (m32c_1bit16_operand): New.
11823 (m32c_1mask8_operand): New.
11824 (m32c_1mask16_operand): New.
11825 * config/m32c/blkmov.md: New file.
11826 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11828 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11830 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11831 unsigned to fix signed/unsigned comparison issue in
11832 DWARF2_FRAME_REG_OUT.
11833 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11834 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11836 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11837 of ptr into the ENABLE_CHECKING section.
11839 2006-03-08 Jeff Law <law@redhat.com>
11841 * tree-vrp.c (infer_value_range): Only count pointer uses
11842 and dereferences if -fdelete-null-pointer-checks is enabled.
11844 * tree-vrp.c (find_assert_locations): Infer value ranges for
11845 single use pointers, but do not create ASSERT_EXPRs for them.
11846 When a non-null range is inferred for a pointer, backwards
11847 propagate that range to other equivalent pointers through the
11850 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11853 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11854 language hook targets.
11855 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11856 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11857 if language hook targets were missing.
11859 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11861 * tree-ssa-opfinalize.h: Removed.
11862 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11864 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11865 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11866 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11867 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11868 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11869 finalize_ssa_v_must_def_ops): New.
11871 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11873 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11874 block as parameter.
11876 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11878 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11880 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11881 addresses with offsets; reorganize.
11883 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11884 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11885 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11887 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11890 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11892 2006-03-08 Ben Elliston <bje@au.ibm.com>
11894 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11896 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11899 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11902 2006-03-07 Richard Guenther <rguenther@suse.de>
11904 PR tree-optimization/26587
11905 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11907 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11909 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11911 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11913 * hooks.c (hook_bool_mode_rtx_true): New function.
11914 * hooks.h (hook_bool_mode_rtx_true): Declare.
11915 * toplev.c (compile_file): Call output_shared_constant_pool.
11916 * varasm.c (shared_constant_pool): New variable.
11917 (assemble_start_function, assemble_end_function): Remove arguments
11918 from call to output_constant_pool.
11919 (create_constant_pool): New function, split out from...
11920 (init_varasm_status): ...here.
11921 (force_const_mem): Choose between the shared and per-function constant
11922 pools. Set current_function_uses_const_pool when reusing old entries
11923 as well as when creating new ones.
11924 (mark_constant): Ignore data argument.
11925 (mark_constants): Remove pool argument.
11926 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11927 to decide whether the function uses a constant pool.
11928 (output_constant_pool_contents): New function, split out from...
11929 (output_constant_pool): ...here.
11930 (output_shared_constant_pool): New function.
11931 (init_varasm_once): Initialize shared_constant_pool.
11932 * output.h (output_constant_pool): Delete.
11933 (output_shared_constant_pool): Declare.
11934 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11935 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11937 2006-03-06 Nick Clifton <nickc@redhat.com>
11939 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11940 flag_strength_reduce.
11942 2006-03-06 Ben Elliston <bje@au.ibm.com>
11944 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11945 x86_64-*-linux* configurations.
11947 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11948 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11950 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11952 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11954 * basic-block.h: Remove the extern for
11955 rediscover_loops_after_threading.
11957 * cfgloop.c (cancel_loop): Make it static.
11958 * cfgloop.h: Remove the prototype for cancel_loop.
11960 * flow.c (recompute_reg_usage): Make it static.
11961 * rtl.h: Remove the prototype for recompute_reg_usage.
11963 * function.c (use_return_register): Make it static.
11964 * function.h: Remove the prototype.
11966 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11968 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11970 * recog.h: Remove the prototype for
11971 validate_change_maybe_volatile.
11973 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11975 * rtlanal.c (replace_reg): Remove.
11976 * rtl.h: Remove the prototype for replace_reg.
11978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11980 * regclass.c (reg_scan_update): Remove.
11981 (reg_scan_mark_refs): Remove the last argument.
11982 * rtl.h: Remove the prototype for reg_scan_update.
11984 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11986 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11987 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11988 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11989 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11990 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11991 loop-invariant.c, omp-low.c, opts.c, passes.c,
11992 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11993 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11994 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11995 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11996 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11997 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12001 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12002 * dwarf2out.h: Remove the prototype for
12003 dwarf2out_add_library_unit_info.
12005 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12007 * tree.c (add_var_to_bind_expr): Remove.
12008 * tree.h: Remove the prototype for add_var_to_bind_expr.
12010 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12012 * regclass.c (n_non_fixed_regs): Remove.
12013 (init_reg_sets_1, globalize_reg): Remove all uses of
12015 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12019 * rtlanal.c (insns_safe_to_move_p): Remove.
12020 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12024 * expmed.c (expand_mult_add): Remove.
12025 * expr.h: Remove the prototype for expand_mult_add.
12027 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12029 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12030 and REG_SAVED_VAL_EXP constants.
12031 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12032 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12033 Handle regs stored by value.
12034 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12035 (execute_cfa_program): Handle DW_CFA_val_offset,
12036 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12037 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12038 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12039 (uw_install_context_1): Handle target regs stored by value.
12041 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12043 * tree-sra.c (tree_sra): Return todoflags;
12044 (generate_one_element): Set TODO_update_smt_usage if needed.
12045 (pass_sra): Remove TODO_update_smt_usage.
12046 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12048 (tree_ssa_forward_propagate_single_use_vars): Return
12049 TODO_update_smt_usage if we need to update SMT usage.
12050 (pass_forwprop): Remove TODO_update_smt_usage.
12052 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12054 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12055 (correct_use_link): Remove reference to get_stmt_operands.
12056 (update_stmt_operands): Likewise.
12057 (get_modify_expr_operands): New function factored out of
12058 parse_ssa_operands and get_expr_operands.
12059 Try to create V_MUST_DEFs for LHS by default.
12060 (get_expr_operands) <case MODIFY_EXPR>: Call
12061 get_modify_expr_operands.
12062 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12063 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12064 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12065 get_modify_expr_operands.
12067 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12069 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12070 * tree-flow.h: Remove the prototype for
12071 referenced_var_lookup_if_exists.
12073 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12075 PR rtl-optimization/26345
12077 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12079 2006-03-03 Roger Sayle <roger@eyesopen.com>
12081 PR tree-optimization/26524
12082 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12083 fold_convert to create a constant of the appropriate type.
12085 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12087 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12088 SYMBOL_REF_IN_BLOCK_P.
12089 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12090 of SYMBOL_FLAG_IN_BLOCK.
12091 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12092 instead of SYMBOL_REF_IN_BLOCK_P.
12093 * explow.c (use_anchored_address): Likewise.
12094 * rtl.c (rtx_size): Likewise.
12095 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12096 instead of SYMBOL_FLAG_IN_BLOCK.
12097 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12098 SYMBOL_REF_IN_BLOCK_P.
12099 (assemble_variable): Likewise.
12100 (output_constant_def_contents): Likewise.
12101 (output_constant_pool): Likewise.
12102 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12103 instead of SYMBOL_FLAG_IN_BLOCK.
12104 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12105 SYMBOL_REF_IN_BLOCK_P.
12106 (SYMBOL_REF_BLOCK): Likewise.
12107 (SYMBOL_REF_OFFSET): Likewise.
12108 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12109 SYMBOL_REF_IN_BLOCK_P.
12110 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12111 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12112 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12113 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12115 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12117 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12119 2006-03-02 Roger Sayle <roger@eyesopen.com>
12121 * simplify-rtx.c (simplify_unary_operation): When simplifying
12122 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12123 that we perform the right shift in the appropriate mode, and
12124 then extend or truncate the result to requested mode.
12126 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12128 * gengtype.c (main): Handle double_int type.
12129 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12130 * double-int.c: New file.
12131 * double-int.h: New file.
12132 * system.h: Include doubleint.h.
12133 * Makefile.in (SYSTEM_H): Include double-int.h.
12134 (double-int.o): Add.
12136 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12139 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12142 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12144 * tree-vrp.c (remove_range_assertions): Do not update statements
12147 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12149 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12151 * gcse.c (rest_of_handle_gcse): Ditto.
12152 * except.c (gate_handle_eh): Ditto.
12153 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12154 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12156 2006-03-02 Eric Christopher <echristo@apple.com>
12158 * config/i386/i386.c (machopic_output_stub): Add indirection to
12161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12165 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12167 Sun Niagara specific optimizations.
12168 * config.gcc: Recognize niagara as target.
12169 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12170 (TARGET_CPU_niagara): Define.
12171 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12172 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12173 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12174 (ASM_CPU_SPEC): Likewise.
12175 (PROCESSOR_NIAGARA): New enum entry.
12176 (REGISTER_MOVE_COST): Handle Niagara.
12177 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12178 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12179 (sparc_override_options): Recognize "niagara", set appropriate
12180 default MASK_* values for it, and align functions to 32-bytes
12181 by default just like ULTRASPARC/ULTRASPARC3.
12182 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12183 (sparc64_initialize_trampoline): Likewise.
12184 (sparc_use_sched_lookahead): Use zero for niagara.
12185 (sparc_issue_rate): Use one for niagara.
12186 * config/sparc/niagara.md: New file.
12187 * config/sparc/sparc.md: Include it.
12188 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12189 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12190 when default cpu is niagara.
12191 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12192 (ASM_CPU_SPEC): Likewise.
12193 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12194 when default cpu is niagara.
12195 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12196 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12197 just like v9/ultrasparc/ultrasparc3.
12198 * doc/invoke.texi: Add documentation for "niagara" and improve
12199 existing documentation for ultrasparc variants.
12201 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12203 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12205 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12207 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12208 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12209 and say that only one is needed.
12210 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12211 * target.h (have_switchable_bss_sections): New hook.
12212 * explow.c (use_anchored_address): Check that the symbol is in a block.
12213 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12214 (bss_noswitch_section): New variables.
12215 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12216 (get_noswitch_section): New function.
12217 (get_block_for_section): Allow SECT to be null.
12218 (unlikely_text_section_p): Use SECTION_STYLE.
12219 (bss_initializer_p): New function.
12220 (get_variable_section): Move earlier in file. Take a new argument,
12221 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12222 Return one of the new *_sections in such cases.
12223 (get_block_for_decl): New function, extracting some logic from
12224 use_blocks_for_decl_p.
12225 (change_symbol_section): Remove in favor of...
12226 (change_symbol_block): ...this new function.
12227 (use_blocks_for_decl_p): Remove checks now performed by
12228 get_block_for_decl.
12229 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12230 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12231 (emit_local, emit_bss, emit_common): ...these new functions.
12232 Return true if the alignment was honored.
12233 (emit_tls_common): New function.
12234 (asm_emit_uninitialised): Delete.
12235 (assemble_variable_noswitch): New function, split out from...
12236 (assemble_variable): ...here. Don't make decisions about common
12237 variables here. Globalize all public decls that go into non-common
12238 sections. Check whether SYMBOL_REF_BLOCK is null.
12239 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12240 (output_constant_pool): Likewise.
12241 (init_varasm_once): Initialize the new section variables.
12242 (have_global_bss_p): New function.
12243 (categorize_decl_for_section): Use bss_initializer_p.
12244 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12245 (place_block_symbol): Assert that the symbol must be in a block.
12246 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12247 (TARGET_INITIALIZER): Include it.
12248 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12249 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12250 (SECTION_MACH_DEP): Bump by two.
12251 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12252 (unnamed_section): Mention SECTION_UNNAMED in comment.
12253 (named_section): Likewise SECTION_NAMED.
12254 (noswitch_section_callback): New type.
12255 (noswitch_section): New structure.
12256 (section): Add a noswitch_section alternative.
12257 (SECTION_STYLE): New macro.
12258 (tls_comm_section, comm_section, lcomm_section): Declare.
12259 (bss_noswitch_section, have_global_bss_p): Declare.
12260 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12261 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12263 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12264 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12267 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12269 * tree-vrp.c (execute_vrp): Return value.
12270 * regrename.c (rest_of_handle_regrename): Ditto.
12271 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12272 * tree-complex.c (tree_lower_complex): Ditto.
12273 (tree_lower_complex_O0): Ditto.
12274 * tracer.c (rest_of_handle_tracer): Ditto.
12275 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12276 * postreload.c (rest_of_handle_postreload): Ditto.
12277 * tree-tailcall.c (execute_tail_recursion): Ditto.
12278 (execute_tail_calls): Ditto.
12279 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12280 * tree.h (init_function_for_compilation): Ditto.
12281 * ipa-cp.c (ipcp_driver): Ditto.
12282 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12283 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12284 * final.c (compute_alignments): Ditto.
12285 (rest_of_handle_final): Ditto.
12286 (rest_of_handle_shorten_branches): Ditto.
12287 (rest_of_clean_state): Ditto.
12288 * omp-low.c (execute_expand_omp): Ditto.
12289 (execute_lower_omp): Ditto.
12290 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12291 * ipa-reference.c (static_execute): Ditto.
12292 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12293 * reorg.c (rest_of_handle_delay_slots): Ditto.
12294 (rest_of_handle_machine_reorg): Ditto.
12295 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12296 * flow.c (recompute_reg_usage): Ditto.
12297 (rest_of_handle_remove_death_notes): Ditto.
12298 (rest_of_handle_life): Ditto.
12299 (rest_of_handle_flow2): Ditto.
12300 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12301 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12302 (do_ssa_store_ccp): Ditto.
12303 (execute_fold_all_builtins): Ditto.
12304 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12305 * modulo-sched.c (rest_of_handle_sms): Ditto.
12306 * ipa-pure-const.c (static_execute): Ditto.
12307 * cse.c (rest_of_handle_cse): Ditto.
12308 (rest_of_handle_cse2): Ditto.
12309 * web.c (rest_of_handle_web): Ditto.
12310 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12311 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12312 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12313 * tree-nrv.c (tree_nrv): Ditto.
12314 (execute_return_slot_opt): Ditto.
12315 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12316 (create_structure_vars): Ditto.
12317 * loop-init.c (rtl_loop_init): Ditto.
12318 (rtl_loop_done): Ditto.
12319 (rtl_move_loop_invariants): Ditto.
12320 (rtl_unswitch): Ditto.
12321 (rtl_unroll_and_peel_loops): Ditto.
12322 (rtl_doloop): Ditto.
12323 * gimple-low.c (lower_function_body): Ditto.
12324 (mark_used_blocks): Ditto.
12325 * tree-ssa-sink.c (execute_sink_code): Ditto.
12326 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12327 (cgraph_early_inlining): Ditto.
12328 * global.c (rest_of_handle_global_alloc): Ditto.
12329 * jump.c (cleanup_barriers): Ditto.
12330 (purge_line_number_notes): Ditto.
12331 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12332 (rest_of_handle_if_after_reload): Ditto.
12333 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12334 (tree_ssa_loop_im): Ditto.
12335 (tree_ssa_loop_unswitch): Ditto.
12336 (tree_vectorize): Ditto.
12337 (tree_linear_transform): Ditto.
12338 (tree_ssa_loop_ivcanon): Ditto.
12339 (tree_ssa_empty_loop): Ditto.
12340 (tree_ssa_loop_bounds): Ditto.
12341 (tree_complete_unroll): Ditto.
12342 (tree_ssa_loop_prefetch): Ditto.
12343 (tree_ssa_loop_ivopts): Ditto.
12344 (tree_ssa_loop_done): Ditto.
12345 * predict.c (tree_estimate_probability): Ditto.
12346 * recog.c (split_all_insns_noflow): Ditto.
12347 (rest_of_handle_peephole2): Ditto.
12348 (rest_of_handle_split_all_insns): Ditto.
12349 * tree-eh.c (lower_eh_constructs): Ditto.
12350 * regmove.c (rest_of_handle_regmove): Ditto.
12351 (rest_of_handle_stack_adjustments): Ditto.
12352 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12353 * function.c (instantiate_virtual_regs): Ditto.
12354 (init_function_for_compilation): Ditto.
12355 (rest_of_handle_check_leaf_regs): Ditto.
12356 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12357 (rest_of_handle_gcse): Ditto.
12358 * ipa-type-escape.c (type_escape_execute): Ditto.
12359 * alias.c (rest_of_handle_cfg): Ditto.
12360 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12361 * profile.c (rest_of_handle_branch_prob): Ditto.
12362 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12363 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12364 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12365 * tree-dfa.c (find_referenced_vars): Ditto.
12366 * except.c (set_nothrow_function_flags): Ditto.
12367 (convert_to_eh_region_ranges): Ditto.
12368 (rest_of_handle_eh): Ditto.
12369 * emit-rtl.c (unshare_all_rtl): Ditto.
12370 (remove_unnecessary_notes): Ditto.
12371 * except.h (set_nothrow_function_flags): Ditto.
12372 (convert_to_eh_region_ranges): Ditto.
12373 * cfgexpand.c (tree_expand_cfg): Ditto.
12374 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12375 * tree-ssa-pre.c (do_pre): Ditto.
12376 (execute_fre): Ditto.
12377 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12378 (rest_of_handle_jump2): Ditto.
12379 * tree-sra.c (tree_sra): Ditto.
12380 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12381 (execute_mudflap_function_decls): Ditto.
12382 * tree-ssa-copy.c (do_copy_prop): Ditto.
12383 (do_store_copy_prop): Ditto.
12384 * ipa-prop.h (ipcp_driver): Ditto.
12385 * cfglayout.c (insn_locators_initialize): Ditto.
12386 * tree-ssa-forwprop.c
12387 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12388 * cfglayout.h (insn_locators_initialize): Ditto.
12389 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12390 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12391 (execute_late_warn_uninitialized): Ditto.
12392 * rtl.h (cleanup_barriers): Ditto.
12393 (split_all_insns_noflow): Ditto.
12394 (purge_line_number_notes): Ditto.
12395 (unshare_all_rtl): Ditto.
12396 (remove_unnecessary_notes): Ditto.
12397 (recompute_reg_usage): Ditto.
12398 (variable_tracking_main): Ditto.
12399 * integrate.c (emit_initial_value_sets): Ditto.
12400 * integrate.h (emit_initial_value_sets): Ditto.
12401 * tree-optimize.c (execute_free_datastructures): Ditto
12402 (execute_free_cfg_annotations): Ditto.
12403 (execute_fixup_cfg): Ditto.
12404 (execute_cleanup_cfg_pre_ipa): Ditto.
12405 (execute_cleanup_cfg_post_optimizing): Ditto.
12406 (execute_init_datastructures): Ditto.
12407 * tree-object-size.c (compute_object_sizes): Ditto.
12408 * combine.c (rest_of_handle_combine): Ditto.
12409 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12410 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12411 (rest_of_handle_reorder_blocks): Ditto.
12412 (rest_of_handle_partition_blocks): Ditto.
12413 * var-tracking.c (variable_tracking_main): Ditto.
12414 * tree-profile.c (tree_profiling): Ditto.
12415 * tree-vect-generic.c (expand_vector_operations): Ditto.
12416 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12417 * sched-rgn.c (rest_of_handle_sched): Ditto.
12418 (rest_of_handle_sched2): Ditto.
12419 * basic-block.h (free_bb_insn): Ditto.
12420 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12421 * tree-cfg.c (execute_build_cfg): Ditto.
12422 (remove_useless_stmts): Ditto.
12423 (split_critical_edges): Ditto.
12424 (execute_warn_function_return): Ditto.
12425 (execute_warn_function_noreturn): Ditto.
12426 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12427 * cfgrtl.c (free_bb_for_insn): Ditto.
12428 * passes.c (execute_one_pass): Run additional
12429 todos returned by execute function.
12430 * tree-pass.h (struct tree_opt_pass): Make execute
12433 2006-03-02 Richard Guenther <rguenther@suse.de>
12435 * tree-ssa-alias.c (find_used_portions): Consider taking
12436 the address as making the variable not write-only.
12438 2006-03-02 Nick Clifton <nickc@redhat.com>
12440 * config.gcc (default_use_cxa_atexit): Extend the description of
12441 this configure variable. Set its default value to "yes" for
12442 Linux, NetBSD and ELF targets on the assumption that they will
12443 use C libraries with the __cxa_atexit function.
12445 2006-03-02 Ben Elliston <bje@au.ibm.com>
12447 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12448 parameter as unused to suppress a build warning.
12450 2006-03-02 Ben Elliston <bje@au.ibm.com>
12452 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12455 2006-03-01 Roger Sayle <roger@eyesopen.com>
12458 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12459 declared name, the weak reference name, and the typeof name.
12460 (__gthrw): Avoid expanding the declared name suffix.
12461 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12463 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12465 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12467 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12468 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12469 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12470 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12471 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12472 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12473 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12474 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12475 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12476 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12477 (DW_END_default, DW_END_big, DW_END_little): New.
12478 (DW_END_lo_user, DW_END_hi_user): Define.
12479 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12480 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12481 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12484 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12486 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12488 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12490 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12492 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12494 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12495 to 'symbol_mem_tag'.
12497 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12500 2006-03-01 Roger Sayle <roger@eyesopen.com>
12502 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12504 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12507 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12508 MACHO_DYNAMIC_NO_PIC_P.
12509 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12511 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12514 * config/darwin-protos.h (darwin_asm_output_anchor):
12516 * config/darwin-sections.def (cstring_section):
12517 Add SECTION_MERGE to the flags.
12518 (literal4_section): Likewise.
12519 (literal8_section): Likewise.
12520 (objc_selector_refs_section): Likewise.
12521 (objc_cls_refs_section): Likewise.
12522 * config/darwin.c (darwin_asm_output_anchor): New
12524 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12526 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12528 Fix PR tree-optimization/26443
12529 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12530 to todo and PROP_tmt_usage to properties_destroyed.
12531 * tree-ssa-ccp.c (pass_ccp): Ditto.
12532 (pass_store_ccp): Ditto.
12533 * tree-ssa-dom.c (pass_dominator): Ditto.
12535 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12537 * tree-ssa-operands.c: Cleanup whitespace.
12538 (get_asm_expr_operands): Move before first invocation.
12539 (get_indirect_ref_operands): Likewise.
12540 (get_tmr_operands): Likewise.
12541 (get_call_expr_operands): Likewise.
12542 (append_def): Likewise.
12543 (append_use): Likewise.
12544 (append_v_may_def): Likewise.
12545 (append_v_must_def): Likewise.
12546 (add_call_clobber_ops): Likewise.
12547 (add_call_read_ops): Likewise.
12548 (add_stmt_operand): Likewise.
12549 (add_virtual_operand): Likewise.
12550 (build_ssa_operands): Likewise.
12552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12554 PR middle-end/26022
12556 PR middle-end/24437
12557 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12558 with a call expr to ...
12559 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12561 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12563 * tree-vrp.c (extract_range_from_assert): Remove special
12564 handling for types with super-types.
12566 2006-03-01 Ben Elliston <bje@au.ibm.com>
12568 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12569 and powerpc64-*-linux* configurations.
12570 * config/t-dfprules: New file.
12572 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12573 Compile dfp-bit.c from the source directory using -DWIDTH and
12574 $DFP_CFLAGS to control the compilation of that file, rather than
12575 generating width-specific versions in the build directory.
12576 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12577 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12579 2006-02-28 Zack Weinberg <zackw@panix.com>
12581 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12584 2006-02-28 Eric Christopher <echristo@apple.com>
12586 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12587 Set up IN_LIBGCC definition of TARGET_64BIT.
12588 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12590 2006-02-28 Roger Sayle <roger@eyesopen.com>
12592 PR middle-end/14752
12593 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12594 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12595 cases via the construction of "expr != 0".
12597 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12599 * alias.c (alias_invariant, alias_invariant_size): Remove.
12600 (record_base_value): Remove.
12601 (memrefs_conflict_p): Don't look at alias_invariant.
12602 (end_alias_analysis): Don't free it.
12603 * alias.h (record_base_value): Remove prototype.
12605 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12606 Adam Nemet <anemet@caviumnetworks.com>
12608 * rtl.h (truncated_to_mode): Declare it.
12609 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12610 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12611 (RTL_HOOKS_INITIALIZER): Include it.
12612 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12613 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12614 reg_truncated_to_mode.
12615 * rtlanal.c (truncated_to_mode): Define it.
12616 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12618 2006-02-28 Jeff Law <law@redhat.com>
12620 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12621 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12622 the range allowed by TYPE_PRECISION.
12624 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12626 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12628 PR tree-optimization/26419
12629 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12632 2006-02-27 Zack Weinberg <zackw@panix.com>
12634 * doc/md.texi: Fix typo in previous change.
12636 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12640 2006-02-27 Zack Weinberg <zackw@panix.com>
12642 * rtl.def (define_constraint, define_register_constraint)
12643 (define_memory_constraint, define_address_constraint): New MD forms.
12644 * gensupport.c (process_rtx): Put define_constraint etc on the
12646 * genpreds.c (process_define_predicate): Adjust comment. Validate
12647 the name, and call validate_exp to validate the expression.
12648 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12649 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12650 all callers changed.
12651 (validate_exp, needs_variable, struct constraint_data)
12652 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12653 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12654 (const_dbl_constraints, constraint_max_namelen)
12655 (have_register_constraints, have_memory_constraints)
12656 (have_address_constraints, have_address_constraints)
12657 (have_extra_constraints, have_const_int_constraints)
12658 (have_const_dbl_constraints, mangle, add_constraint)
12659 (process_define_constraint, process_define_register_constraint)
12660 (write_enum_constraint_num, write_lookup_constraint)
12661 (write_insn_constraint_len, write_regclass_for_constraint)
12662 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12663 (write_insn_extra_memory_constraint)
12664 (write_insn_extra_address_constraint)
12665 (write_satisfies_constraint_fns): New.
12666 (write_tm_preds_h): If we have new-style constraint definitions,
12667 prototype the functions generated from them, and define the
12668 old constraint interface (still used by generic code) in terms of
12670 (write_insn_preds_c): If we have new-style constraint definitions,
12671 generate all relevant functions from those definitions.
12672 (main): Handle define_constraint etc.
12673 * genoutput.c (struct constraint_data, indep_constraints)
12674 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12675 (mdep_constraint_len): New data structures and functions, defined
12676 #ifdef USE_MD_CONSTRAINTS.
12677 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12678 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12679 use new logic to validate operand constraints against constraint
12681 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12683 * defaults.h: If none of the old-style constraint macros are
12684 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12685 old-style macros; and poison REG_CLASS_FROM_LETTER,
12686 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12688 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12689 * doc/md.texi: Document new constraint-definition mechanism and the
12690 C interface it provides. Remove references to old mechanism
12691 elsewhere in the document.
12692 (Machine Constraints): Use pathnames relative to gcc directory,
12693 i.e. config/ARCH/FILE. Change i386 section to refer to
12694 config/i386/predicates.md; update that section to match docstrings.
12695 * doc/tm.texi: Move all documentation of the old constraint-
12696 definition macros to their own section, clearly mark as obsolete.
12698 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12699 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12701 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12702 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12703 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12704 constraint strings.
12705 (splits and peepholes): Use satisfies_constraint_*.
12706 * config/i386/i386.c (memory_address_length)
12707 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12709 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12711 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12712 scalar operation to be put back into the loop.
12714 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12717 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12718 (extract_cie_info): Handle S flag in augmentation string.
12719 (execute_cfa_program): If context->signal_frame, execute also
12720 fs->pc == context->ra instructions.
12721 (uw_frame_state_for): If context->signal_frame, don't subtract one
12722 from context->ra to find FDE.
12723 (uw_update_context_1): Set context->signal_frame to
12725 (_Unwind_GetIPInfo): New function.
12726 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12727 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12729 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12730 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12731 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12732 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12733 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12734 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12735 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12736 x86_64_fallback_frame_state): Set fs->signal_frame.
12737 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12738 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12739 (frob_update_context): Likewise. Workaround missing S flag in
12740 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12741 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12742 Remove the psw_addr + 1 hack.
12744 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12746 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12747 with aggregates here.
12748 (find_func_aliases): Remove code for &<aggregate> from here.
12750 2006-02-26 Roger Sayle <roger@eyesopen.com>
12752 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12753 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12754 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12755 as (X & C) ne/eq 0.
12757 2006-02-26 Roger Sayle <roger@eyesopen.com>
12759 PR middle-end/19983
12760 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12762 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12764 * opts.c (decode_options): Do not handle flag_strength_reduce.
12765 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12766 and OPT_fstrength_reduce.
12767 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12768 flag_prefetch_loop_arrays for being nonzero.
12769 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12771 (fprefetch-loop-arrays-rtl): Removed.
12772 (flag_prefetch_loop_arrays): Do not specify the value.
12774 * doc/passes.texi: Update documentation of loop optimizer
12776 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12777 -frerun-loop-opt): Remove.
12779 2006-02-26 Richard Guenther <rguenther@suse.de>
12781 PR tree-optimization/26421
12782 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12783 in function calls that are ADDR_EXPRs as using the whole structure.
12785 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12787 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12788 * tree-pass.h (pass_loop_optimize): Remove.
12789 * passes.c (pass_loop_optimize): Never run it.
12790 * toplev.c (backend_init): Don't call init_loop.
12791 * opts.c (flag_loop_optimize_set): Remove.
12792 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12793 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12794 the old RTL loop optimizer when profiling enabled.
12795 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12796 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12797 pre-headers for the sake of the old RTL loop optimizer.
12798 * Makefile.in: Remove all references to loop.o.
12800 * doc/invoke.texi: Remove all references to -floop-optimize
12801 and -frerun-loop-opt.
12803 2006-02-26 Zack Weinberg <zackw@panix.com>
12805 * doc/md.texi (Machine Constraints): Refer to all files with paths
12806 relative to gcc directory (i.e. config/CPU/file). Add missing
12807 @table @code ... @end table to M32C subsection.
12809 2006-02-26 Roger Sayle <roger@eyesopen.com>
12811 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12813 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12815 2006-02-26 Roger Sayle <roger@eyesopen.com>
12816 James A. Morrison <phython@gcc.gnu.org>
12818 PR middle-end/21137
12819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12820 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12821 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12822 signedness of the shift operation.
12824 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12826 PR tree-optimization/26359
12827 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12829 2006-02-25 Roger Sayle <roger@eyesopen.com>
12831 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12832 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12833 as X == 0, and some symmetry related transformations.
12834 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12836 2006-02-25 Roger Sayle <roger@eyesopen.com>
12838 PR middle-end/23673
12839 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12840 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12841 symmetry related transformations. Fold (X^C1) == C2 as
12844 2006-02-25 Juergen Weigert <jw@suse.de>
12845 Richard Guenther <rguenther@suse.de>
12847 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12849 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12851 * combine.c (gen_lowpart_or_truncate): Call
12852 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12854 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12856 * doc/invoke.texi: Move -fopenmp description to "Options for
12858 Remove reference to -lgomp.
12860 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12862 * doc/install.texi: Require GNU tar version 1.14.
12864 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12866 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12867 * doc/invoke.texi (C++ Dialect Options): Document
12868 -fno-use-cxa-get-exception-ptr.
12869 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12870 * configure: Regenerate.
12871 * c.opt (fuse-cxa-get-exception-ptr): New.
12872 * c-opts.c (c_common_handle_option): Handle
12873 OPT_fuse_cxa_get_exception_ptr.
12874 * c-common.c (flag_use_cxa_atexit): Update documentation.
12875 (flag_use_cxa_get_exception_ptr): New.
12876 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12877 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12879 (C_COMMON_OVERRIDE_OPTIONS): New.
12881 2006-02-24 Roger Sayle <roger@eyesopen.com>
12883 PR middle-end/24952
12884 * combine.c (try_combine): Explicitly check whether GET_CODE is
12885 a SET or a CLOBBER, instead on checking that it isn't a USE.
12887 2006-02-24 Roger Sayle <roger@eyesopen.com>
12889 * fold-const.c (fold_comparison): New subroutine of fold_binary
12890 containing transformations common to both the equality and
12891 ordering relational operators, factored out of fold_binary.
12892 (fold_binary): Separate out the equality operators (EQ_EXPR
12893 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12894 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12895 transformations common to both.
12896 (fold_div_compare): Fix latent bugs in the previously unreachable
12897 LT_EXPR and GE_EXPR cases.
12899 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12901 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12902 decl libname for clog to __clog on AIX.
12904 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12906 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12909 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12910 output traceback table for thunks. Localise rs6000_stack_info call.
12912 2006-02-23 Roger Sayle <roger@eyesopen.com>
12913 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12915 * gthr-posix.h (__gthrw): Fix typo in comment.
12917 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12919 * doc/cpp.texi (Character sets): Document that we do support
12920 input files to be in any character set.
12922 2006-02-23 Jeff Law <law@redhat.com>
12924 * tree.h (PHI_ARG_NONZERO): Remove.
12925 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12926 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12927 node to the new node.
12929 PR tree-optimization/26425
12930 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12931 min/max, then assume its varying.
12933 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12935 PR rtl-optimization/26316
12936 * rtlanal.c (enum may_trap_p_flags): New.
12937 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12938 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12939 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12940 (may_trap_after_code_motion_p): New function.
12941 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12942 (find_invariant_insn): Use may_trap_after_code_motion_p.
12943 * rtl.h (may_trap_after_code_motion_p): Declare.
12945 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12947 * emit-rtl.c (immed_double_const): Cleanup.
12949 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12951 Fix PR tree-optimization/26376
12952 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12955 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12957 PR middle-end/26412
12958 * gimplify.c (omp_add_variable): Guard variable size decl test with
12959 DECL_SIZE (decl) check.
12961 2006-02-23 Richard Guenther <rguenther@suse.de>
12963 PR middle-end/26439
12964 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12965 like aggregate types.
12967 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12969 * configure.ac: Add --with{,out}-long-double-128 configure option.
12970 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12971 * configure: Rebuilt.
12972 * config.in: Rebuilt.
12973 * doc/install.texi (Options specification): Document
12974 --with-long-double-128.
12976 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12977 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12978 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12979 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12981 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12983 * config/s390/s390.c (override_options): Handle
12984 TARGET_DEFAULT_LONG_DOUBLE_128.
12986 * config/alpha/alpha.c (override_options): Handle
12987 TARGET_DEFAULT_LONG_DOUBLE_128.
12989 * config/sparc/sparc.c (sparc_override_options): Handle
12990 TARGET_DEFAULT_LONG_DOUBLE_128.
12992 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12994 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12995 (real-install-headers-tar, real-install-headers-cpio)
12996 (real-install-headers-cp): New targets.
12998 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13000 * tree.h (variable_section): Delete.
13001 * varasm.c (variable_section): Delete.
13003 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13005 * install.texi: Add notes on install.texi2html.
13006 (Building in parallel): Do not use footnotes.
13008 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13011 * doc/install.texi (Configuration): Document --disable-libgomp.
13013 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13015 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13017 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13019 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13020 (vec_extractv2df_0_sse): New.
13022 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13024 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13025 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13026 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13027 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13028 to the result of the expression.
13029 (def_cfa_1): Adjust.
13030 (frame_pointer_cfa_offset): Rename to...
13031 (frame_pointer_fb_offset): ... this. Adjust all uses.
13032 (convert_cfa_to_loc_list): Rename to...
13033 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13034 Pass it on to build_cfa_loc.
13035 (compute_frame_pointer_to_cfa_displacement): Rename to...
13036 (compute_frame_pointer_to_fb_displacement): ... this. New
13037 offset parameter. Use it in computation.
13038 (gen_subprogram_die): Compute cfa_fb_offset with the new
13039 macro, and use it to compute the fb loc list and the
13042 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13044 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13045 replaced with register_operand.
13046 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13047 non-DREG is expensive.
13048 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13049 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13052 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13054 * doc/install.texi2html: Use set -e.
13056 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13058 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13059 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13060 * doc/invoke.texi (-fshared-data): Delete.
13061 * common.opt (fshared-data): Delete.
13062 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13063 (assemble_static_space): Remove #if 0 code.
13064 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13065 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13066 * config/cris/cris.h: Remove FIXME.
13068 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13070 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13073 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13075 PR middle-end/26379
13076 * combine.c (simplify_shift_const_1): Disable nested shifts
13077 optimization for vector shifts.
13079 2006-02-20 Roger Sayle <roger@eyesopen.com>
13081 PR tree-optimization/26361
13082 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13083 of unsigned integer types.
13085 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13087 * tree-chrec.c (eq_evolutions_p): New.
13088 * tree-chrec.h (eq_evolutions_p): Declared.
13089 * tree-data-ref.c: Fix formatting.
13090 (datadep_stats, dependence_stats): New.
13092 (print_direction_vector): New.
13093 (dump_data_dependence_relation): Use print_direction_vector.
13094 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13095 (compute_subscript_distance): Static.
13096 (initialize_data_dependence_relation): Static. Get the number
13097 of loops surrounding the references from the callers, and initialize
13098 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13099 base_object_differ_p analyzers.
13100 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13101 compute_overlap_steps_for_affine_1_2,
13102 analyze_subscript_affine_affine): Count the classified dependences.
13103 Print a message when a test failed.
13104 (can_use_analyze_subscript_affine_affine): New.
13105 (analyze_siv_subscript): Compute the data dependences on symbolic
13106 scevs that verify can_use_analyze_subscript_affine_affine.
13107 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13108 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13109 Handle symbolic scevs.
13110 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13112 (subscript_dependence_tester): Moved...
13113 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13114 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13115 DDR_SIZE_VECT instead of getting it in parameter.
13116 (subscript_dependence_tester): ... here. Take as a parameter
13117 loop_nest_depth. Call build_classic_dist_vector and
13118 build_classic_dir_vector.
13119 (compute_affine_dependence): Update subscript_dependence_tester
13120 parameters. Update datadep_stats counters. Call
13121 compute_subscript_distance.
13122 (compute_self_dependence): Save the dist and dir vectors. Call
13123 compute_subscript_distance.
13124 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13125 (compute_all_dependences): Reorder parameters as they were before
13126 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13127 compute_subscript_distance. Update the use of
13128 compute_affine_dependence and initialize_data_dependence_relation.
13129 (find_data_references_in_loop): Handle COMPONENT_REF.
13130 (compute_data_dependences_for_loop): Initialize dependence_stats.
13131 Don't call build_classic_dist_vector and build_classic_dir_vector.
13132 Update the parameters of initialize_data_dependence_relation and
13133 compute_all_dependences. Print the statistics from datadep_stats.
13134 (analyze_all_data_dependences): Static. Not used until the pass for
13135 checking the data dependences is contributed.
13136 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13137 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13138 (initialize_data_dependence_relation, compute_affine_dependence,
13139 analyze_all_data_dependences, compute_subscript_distance): Removed.
13140 (print_direction_vector): New.
13141 * lambda.h (gcd): ... here.
13142 (lambda_vector_gcd): Moved here from gcd_vector.
13143 * lambda-code.c (gcd, gcd_vector): Removed.
13144 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13145 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13147 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13149 * ipa-type-escape.c: Tidy some comments and white space.
13150 * tree-ssa-operands.c: Likewise.
13152 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13155 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13156 (dump_decl_name): Do not walk the decl tree chains.
13157 * tree-pass.h (TDF_CHAIN): Remove.
13159 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13161 * Makefile.in (C): Remove
13163 (.PHONY): Remove C and PROTO
13165 2006-02-20 Roger Sayle <roger@eyesopen.com>
13167 PR middle-end/26236
13168 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13169 deprecated CHAR_TYPE tree code.
13171 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13173 * configure.ac (target_list): Add install-info, dvi, html.
13174 * configure: Regenerate.
13176 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13177 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13178 treelang/Make-lang.in: Do not use double-colon rules.
13180 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13182 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13183 (TMT_USED_ALONE): New macro.
13184 * tree-pass.h (PROP_tmt_usage): New property.
13185 (TODO_update_tmt_usage): New todo.
13186 * tree-ssa-alias.c (updating_used_alone): New variable.
13187 (recalculate_used_alone): New function.
13188 (compute_may_aliases): Set updating_used_alone, call
13189 recalculate_used_alone.
13190 * tree-sra.c (pass_sra): Note that this pass destroys
13191 PROP_tmt_usage, and add TODO_update_tmt_usage.
13192 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13193 * tree-flow.h (updating_used_alone): Prototype.
13194 (recalculate_used_alone): Ditto.
13195 * passes.c (execute_todo): Add code to set updating_used_alone,
13196 and call recalculate.
13197 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13198 for clobber if used alone, and add assert to verify used_alone
13201 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13203 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13204 for non tls symbols added.
13205 (legitimize_address): Do nothing for PLUS expressions if one of the
13206 addends is a tls symbol reference.
13208 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13212 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13214 * Makefile.in (BOOTSTRAPPING): New.
13215 (quickstrap): New definition if BOOTSTRAPPING=yes.
13217 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13218 * configure.ac: Substitute all_selected_languages with the languages
13219 that were configured. For all the other variables except
13220 lang_specs_files, include all the languages in the tree.
13221 * configure: Regenerate.
13223 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13224 if there is one. Run the commands to run fixincludes in the same
13227 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13228 * doc/install.texi: Document exact conventions for searching target tools.
13229 Document --with-build-time-tools. Document toplevel bootstrap. Document
13230 something more about building an Ada cross-compiler. Don't list GNU Make
13231 requirements which affect all platforms.
13233 2006-02-19 Roger Sayle <roger@eyesopen.com>
13235 PR middle-end/19543
13236 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13237 only equivalent if the have both the same mode and precision.
13239 2006-02-20 Ben Elliston <bje@au.ibm.com>
13241 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13243 2006-02-19 Roger Sayle <roger@eyesopen.com>
13244 Steven Bosscher <stevenb.gcc@gmail.com>
13246 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13247 constant pool references to identify stack mode constants.
13248 * rtlanal.c (constant_pool_constant_p): New predicate to check
13249 whether operand is a floating point constant in the pool.
13250 * rtl.h (constant_pool_constant_p): Prototype here.
13251 * loop.c (scan_loop): Avoid hoisting constants from the constant
13252 pool on STACK_REGS targets.
13253 (load_mems): Likewise.
13254 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13255 loads into x87 registers expensive in terms of register pressure.
13257 2006-02-19 Roger Sayle <roger@eyesopen.com>
13259 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13260 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13262 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13264 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13265 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13267 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13269 * doc/invoke.texi: Document -fipa-pta.
13270 * common.opt: Add ipa-pta option.
13271 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13272 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13273 (do_ds_constraint): Ditto.
13274 (get_constraint_for): Only add to referenced_vars if
13275 referenced_vars exists.
13276 (insert_into_field_list): Rewrite to do this unsorted.
13277 (insert_into_field_list_sorted): Rename old insert_into_field_list
13279 (create_function_info_for): Use insert_into_field_list_sorted.
13280 (create_variable_info_for): Rewrite so it uses unsorted version,
13281 since the field list is sorted.
13282 (intra_create_variable_infos): Only add to referenced_vars if
13283 referenced_vars exists.
13284 (ipa_pta_execute): Init heapvars, and delete when done.
13285 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13287 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13289 * doc/install.texi: Add missing `@samp'.
13291 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13293 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13296 2006-02-18 Mark Wielaard <mark@klomp.org>
13298 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13299 who added new 4.1 features, bug fixes and integration support.
13301 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13304 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13305 MEM for ABI_V4 pic.
13307 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13309 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13310 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13311 (copy_insn_1): Likewise. Don't copy each field individually.
13313 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13315 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13316 * rtl.c (rtx_size): Rename variable to...
13317 (rtx_code_size): ...this.
13318 (rtx_size): New function.
13319 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13320 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13322 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13323 * rtl.h (rtx_code_size): New variable.
13324 (rtx_size): Change from a variable to a function.
13325 (RTX_SIZE): Rename to...
13326 (RTX_CODE_SIZE): ...this.
13329 PR tree-optimization/17106
13330 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13331 (Anchored Addresses): New section.
13332 * doc/invoke.texi (-fsection-anchors): Document.
13333 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13334 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13335 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13336 * hooks.c (hook_bool_mode_rtx_false): New function.
13337 * hooks.h (hook_bool_mode_rtx_false): Declare.
13338 * gengtype.c (create_optional_field): New function.
13339 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13340 SYMBOL_REF_IN_BLOCK_P is true.
13341 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13342 (min_anchor_offset, max_anchor_offset): Likewise.
13343 (use_anchors_for_symbol_p): New hook.
13344 * toplev.c (compile_file): Call output_object_blocks.
13345 (target_supports_section_anchors_p): New function.
13346 (process_options): Check that -fsection-anchors is only used on
13347 targets that support it and when -funit-at-a-time is in effect.
13348 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13349 if the decl doesn't have one.
13350 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13351 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13352 of force_const_mem through use_anchored_address.
13353 (expand_expr_constant): New function.
13354 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13355 calling expand_expr for INDIRECT_REF.
13356 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13357 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13358 * expr.h (use_anchored_address): Declare.
13359 * loop-unroll.c: Don't declare rtx vectors here.
13360 * explow.c: Include output.h.
13361 (validize_mem): Call use_anchored_address.
13362 (use_anchored_address): New function.
13363 * common.opt (-fsection-anchors): New switch.
13364 * varasm.c (object_block_htab, anchor_labelno): New variables.
13365 (hash_section, object_block_entry_eq, object_block_entry_hash)
13366 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13367 (use_blocks_for_decl_p, change_symbol_section): New functions.
13368 (get_variable_section): New function, split out from assemble_variable.
13369 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13370 use_blocks_for_decl_p say so. Use change_symbol_section if the
13371 symbol has already been created.
13372 (assemble_variable_contents): New function, split out from...
13373 (assemble_variable): ...here. Don't output any code for
13374 block symbols; just pass them to place_block_symbol.
13375 Use get_variable_section and assemble_variable_contents.
13376 (get_constant_alignment, get_constant_section, get_constant_size): New
13377 functions, split from output_constant_def_contents.
13378 (build_constant_desc): Create a block symbol if use_object_blocks_p
13379 says so. Or into SYMBOL_REF_FLAGS.
13380 (assemble_constant_contents): New function, split from...
13381 (output_constant_def_contents): ...here. Don't output any code
13382 for block symbols; just pass them to place_section_symbol.
13383 Use get_constant_section and get_constant_alignment.
13384 (force_const_mem): Create a block symbol if use_object_blocks_p and
13385 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13386 (output_constant_pool_1): Add an explicit alignment argument.
13387 Don't switch sections here.
13388 (output_constant_pool): Adjust call to output_constant_pool_1.
13389 Switch sections here instead. Don't output anything for block symbols;
13390 just pass them to place_block_symbol.
13391 (init_varasm_once): Initialize object_block_htab.
13392 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13393 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13394 (place_block_symbol, get_section_anchor, output_object_block)
13395 (output_object_block_htab, output_object_blocks): New functions.
13396 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13397 (TARGET_ASM_OUT): Include it.
13398 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13399 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13400 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13401 (TARGET_INITIALIZER): Include them.
13402 * rtl.c (rtl_check_failed_block_symbol): New function.
13403 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13404 (block_symbol, object_block): New structures.
13405 (rtx_def): Add a block_symbol field to the union.
13406 (BLOCK_SYMBOL_CHECK): New macro.
13407 (rtl_check_failed_block_symbol): Declare.
13408 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13409 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13410 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13411 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13412 * output.h (output_section_symbols): Declare.
13413 (object_block): Name structure.
13414 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13415 (default_use_anchors_for_symbol_p): Declare.
13416 * Makefile.in (RTL_BASE_H): Add vec.h.
13417 (explow.o): Depend on output.h.
13418 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13419 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13420 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13421 (rs6000_use_blocks_for_constant_p): New function.
13423 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13425 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13427 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13430 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13433 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13435 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13439 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13441 PR middle-end/26334
13442 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13443 instead of DECL_REGISTER.
13445 2006-02-18 Olivier Hainque <hainque@adacore.com>
13448 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13450 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13453 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13454 * opth-gen.awk: Handle Var and InverseMask together.
13455 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13456 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13457 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13458 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13460 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13461 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13462 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13463 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13464 LINUX_DYNAMIC_LINKER): Define.
13465 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13466 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13468 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13469 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13470 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13472 (TARGET_C99_FUNCTIONS): Don't define.
13473 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13474 GLIBC_DYNAMIC_LINKER.
13475 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13476 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13477 GLIBC_DYNAMIC_LINKER64): Define.
13478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13479 LINUX_DYNAMIC_LINKER64.
13480 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13482 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13484 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13486 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13487 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13488 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13490 and LINUX_DYNAMIC_LINKER32.
13491 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13493 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13495 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13497 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13498 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13499 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13500 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13501 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13502 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13503 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13504 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13505 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13506 LINUX_DYNAMIC_LINKER): Define.
13507 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13508 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13509 GLIBC_DYNAMIC_LINKER64): Define.
13510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13511 LINUX_DYNAMIC_LINKER64.
13512 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13513 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13514 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13515 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13516 LINUX_DYNAMIC_LINKER): Define.
13517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13518 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13519 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13520 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13521 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13522 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13523 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13524 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13525 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13526 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13528 * doc/invoke.texi (-muclibc): Remove caveat about supported
13531 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13533 * doc/cpp.texi (__TIMESTAMP__): Document.
13535 2006-02-17 Roger Sayle <roger@eyesopen.com>
13537 PR middle-end/25600
13538 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13539 C is one less than the width of X (and related transformations).
13540 * simplify-rtx.c (simplify_unary_operation_1): Transform
13541 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13542 depending on STORE_FLAG_VALUE, were C is one less then the
13545 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13547 Fix PR tree-optimization/26341
13548 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13549 about NAME_MEMORY_TAG's.
13551 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13554 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13555 with hardware float support, and software float support. Add fcpy
13556 alternative to hardware patterns. Add alternatives to copy between
13557 general and floating-point registers to the 32-bit pattern.
13558 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13559 secondary reload to load a QI or HI mode constant into a floating
13561 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13562 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13564 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13567 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13569 (load_macho_picbase_di): Likewise.
13571 2006-02-16 Jeff Law <law@redhat.com>
13573 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13574 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13575 (ssa_name_nonzero_p): Likewise.
13576 (get_value_range): Return NULL if VRP is not running.
13577 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13578 VRP routines do not discover a range.
13579 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13580 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13581 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13582 (tree_expr_nonnegative_p): Similarly.
13583 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13584 (restore_nonzero_vars_to_original_value): Remove.
13585 (unsafe_associative_fp_binop): Remove.
13586 (tree_ssa_dominator_optimize): Remove initialization and
13587 finalization of nonzero_vars and nonzero_vars_stack.
13588 (dom_opt_initialize_block): No longer push marker on
13589 nonzero_vars_stack.
13590 (dom_opt_finalize_block): No longer call
13591 restore_nonzero_vars_to_original_value.
13592 (record_equivalences_from_phis): No longer look for
13593 nonzero PHI arguments.
13594 (cprop_into_successor_phis): No longer propagate nonzero
13595 property into PHI arguments. Lose unused argument. Caller
13597 (record_equivalences_from_stmt): No longer record nonzero
13598 values for SSA_NAMEs.
13599 (lookup_avail_expr): No longer use nonzero_vars.
13601 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13602 for sizetype when sizetype is unsigned.
13604 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13606 PR rtl-optimization/25603
13607 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13608 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13609 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13610 with new meaning of SETS.
13612 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13617 * config/linux.opt: New file.
13618 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13619 LINUX_DYNAMIC_LINKER): Define.
13620 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13621 * config.gcc (*-*-linux*): Define extra_options.
13622 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13623 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13624 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13625 GLIBC_DYNAMIC_LINKER.
13626 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13627 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13628 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13630 * doc/invoke.texi (GNU/Linux Options): New section.
13632 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13634 * config/sparc/sparc.md (setjmp): Rewrite.
13635 (setjmp_32): Delete.
13636 (setjmp_64): Likewise.
13638 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13640 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13643 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13645 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13648 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13650 PR rtl-optimization/26296
13651 * Makefile.in (loop-invariant.c): Add except.h dependency.
13652 * loop-invariant.c: Include except.h.
13653 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13655 2005-02-16 Paul Brook <paul@codesourcery.com>
13657 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13660 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13662 PR rtl-optimization/25636
13663 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13664 when deciding whether an insn is an initializing insn.
13666 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13668 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13669 (tree_code_size): Ditto.
13670 * tree.h (struct tree_memory_tag): Remove parent_var.
13671 (struct tree_struct_field_tag): New.
13674 (union tree_node): Add sft member.
13675 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13677 (create_sft): Add size and offset argument, set SFT_OFFSET and
13679 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13680 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13681 * tree-flow-inline.h (get_subvar_at): Update for
13682 SFT_OFFSET/SFT_SIZE.
13683 (var_can_have_subvars): Ditto.
13684 (overlap_subvar): Ditto.
13685 * print-tree.c (print_node): Print out interesting things for
13687 * tree-flow.h (struct subvar): Remove offset and size members.
13688 * tree-ssa-operands.c (get_expr_operands): Update for
13689 get_indirect_ref_operands changes.
13690 (get_indirect_ref_operands): Call add_virtual_operand instead of
13691 add_stmt_operand. Only recurse on base var if requested.
13692 (access_can_touch_variable): New function.
13693 (add_stmt_operand): Split virtual operand handling into ...
13694 (add_virtual_operand): Here. Add offset, size, and for_clobber
13695 arguments. Prune alias sets.
13696 (add_call_clobber_ops): Call add_virtual_operand.
13698 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13700 PR middle-end/26300
13701 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13703 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13704 than TREE_CODE as index into omp_clause_num_ops array.
13706 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13708 PR rtl-optimization/26184
13709 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13711 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13712 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13713 must_precede, must_follow and tobe_scheduled.
13716 * opts.c (common_handle_option): Free new_option pointer.
13717 * df-core.c (df_analyze): Free postorder pointer.
13719 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13721 * Makefile.in: Fix the examples about the use of stamps
13723 2006-02-15 Michael Matz <matz@suse.de>
13725 PR middle-end/22275
13727 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13728 influenced by maximum_field_alignment or DECL_PACKED.
13729 (update_alignment_for_field): Ditto.
13730 (place_field): Ditto.
13731 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13734 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13736 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13737 (debug_flow_info): Pass it.
13738 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13739 * bb-reorder.c (reorder_basic_blocks): Likewise.
13740 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13741 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13742 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13743 * gcse.c (gcse_main, bypass_jumps): Likewise.
13744 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13745 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13746 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13747 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13748 * rtl.h (dump_flow_info): Adjust prototype.
13749 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13750 * var-tracking.c (variable_tracking_main): Likewise.
13751 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13752 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13755 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13757 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13760 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13762 PR tree-optimization/26209
13763 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13764 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13766 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13768 2006-02-14 Roger Sayle <roger@eyesopen.com>
13770 PR middle-end/23670
13771 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13772 (X,Y) and the corresponding symmetry related transformations.
13773 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13774 (X,Y) and its symmetry related transformations.
13776 2006-02-14 Roger Sayle <roger@eyesopen.com>
13778 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13781 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13783 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13785 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13788 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13789 support COMDAT group.
13790 * configure: Regenerate.
13792 2006-02-14 Roger Sayle <roger@eyesopen.com>
13794 PR middle-end/26279
13795 PR middle-end/26280
13796 PR middle-end/26283
13797 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13799 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13801 Fix PR tree-optimization/26260
13803 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13805 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13806 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13807 * tree-ssa-structalias.c (create_variable_info_for): Use
13808 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13810 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13812 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13814 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13815 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13816 of the ending condition.
13817 * tree-ssa-loop-manip.c: Include params.h.
13818 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13819 tree_unroll_loop): New functions.
13820 * tree-pass.h (pass_loop_prefetch): Declare.
13821 * loop.c (rest_of_handle_loop_optimize): Test for
13822 -fprefetch-loop-arrays-rtl.
13823 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13824 * timevar.def (TV_TREE_PREFETCH): New timevar.
13825 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13826 pass_loop_prefetch): New.
13827 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13828 (cleanup_tree_cfg_loop): Call scev_reset.
13829 * common.opt (fprefetch-loop-arrays-rtl): Add.
13830 * tree-ssa-loop-prefetch.c: New file.
13831 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13832 (new_temp_expr_table): Initialize expr_vars.
13833 (free_temp_expr_table): Cleanup expr_vars.
13834 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13835 expressions from being merged into one.
13836 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13837 (struct tree_niter_desc): Add control, bound and cmp fields.
13838 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13840 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13841 (tree-cfgcleanup.o): Add SCEV_H dependency.
13842 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13843 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13845 2006-02-14 Richard Guenther <rguenther@suse.de>
13847 PR tree-optimization/26258
13848 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13849 in PHI argument processing.
13851 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13853 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13854 new expression in the requested machine mode.
13856 2006-02-13 Roger Sayle <roger@eyesopen.com>
13858 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13859 directly, instead let do_compare_rtx_and_jump handle this for us.
13860 * expr.c (expand_expr_real_1): Likewise.
13861 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13862 before do_jump_by_parts_greater.
13863 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13864 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13866 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13868 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13870 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13872 PR rtl-optimization/26235
13873 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13874 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13877 2006-02-13 Jeff Law <law@redhat.com>
13879 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13882 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13884 PR middle-end/26092
13885 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13886 twice if decl is a builtin. When trying again, call get_callee_fndecl
13887 first to verify it is still a builtin.
13889 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13891 * dwarf2out.c (base_type_die): Don't add AT_name here.
13892 (subrange_type_die): Don't add AT_name here.
13893 (modified_type_die): Rearrange code flow. Do add AT_name here.
13895 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13897 PR rtl-optimization/26247
13898 PR rtl-optimization/26248
13899 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13901 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13903 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13904 * config/fixtfdi.c: Likewise.
13905 * config/fixunstfdi.c: Likewise.
13906 * config/floatditf.c: Likewise.
13908 2006-02-13 Roger Sayle <roger@eyesopen.com>
13910 PR middle-end/24427
13911 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13912 into (X,C2) if C1 is a subset of the bits of C2. Transform
13913 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13915 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13917 2006-02-13 Josh Conner <jconner@apple.com>
13920 * varasm.c (function_section): Check for section name before
13921 calling select_section on targets that define
13922 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13923 unlikely_text_section instead of hot_function_section if
13924 first_function_block_is_cold.
13926 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13928 PR middle-end/25335
13929 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13931 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13933 PR rtl-optimization/26222
13934 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13935 after tree->rtl expansion.
13936 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13937 before passing it to emit_move_insn.
13939 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13941 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13943 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13944 Clarify documentation.
13945 * c-common.h (warn_write_strings): Remove.
13946 * c-common.c (warn_write_strings): Likewise.
13947 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13950 2006-02-12 Roger Sayle <roger@eyesopen.com>
13952 PR middle-end/25724
13953 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13954 (do_jump_parts_zero_rtx): New function renamed from
13955 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13956 (do_jump_parts_equality_rtx): New function split out from
13957 do_jump_parts_equality. Old implementation renamed as above.
13958 Call do_jump_parts_zero_rtx if either operand is zero.
13959 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13960 do all of the heavy lifting.
13961 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13962 calling either do_jump_by_parts_greater_rtx or
13963 do_jump_by_parts_equality_rtx.
13964 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13965 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13966 moved to do_compare_rtx_and_jump, call it directly.
13967 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13968 mode argument. Call do_compare_rtx_and_jump.
13969 (emit_case_nodes): Update calls to do_jump_if_equal.
13971 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13973 PR rtl-optimization/26225
13974 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13976 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13978 PR rtl-optimization/26232
13979 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13981 2006-02-11 Jason Merrill <jason@redhat.com>
13984 * tree-inline.c (declare_return_variable): Just don't use the
13985 modify target if it's a gimple complex reg and the return slot
13988 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13990 * doc/contrib.texi: Update my entry.
13992 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13994 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13996 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13998 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14001 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14003 * doc/invoke.texi (-floop-optimize2): Removed.
14004 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14005 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14006 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14007 * common.opt (floop-optimize2): Removed.
14008 (fmove-loop-invariants): Enabled by default.
14010 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14012 * tree-if-conv.c (combine_blocks): Free the result of
14013 get_loop_exit_edges.
14015 2006-02-10 Jeff Law <law@redhat.com>
14017 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14019 PR tree-optimization/26213
14020 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14021 loop trying to follow SSA_NAME_VALUE chains.
14023 2006-02-10 Richard Guenther <rguenther@suse.de>
14025 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14026 deal with structures that end in implicitly variable sized arrays.
14028 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14030 PR rtl-optimization/24762
14031 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14034 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14036 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14037 (struct ivopts_data): Add regs_used field.
14038 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14039 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14040 instead of loop_data->regs_used;
14041 (free_loop_data): Do not free aux fields for loops.
14042 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14043 and tree_ssa_iv_optimize_finalize.
14045 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14047 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14049 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14052 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14053 computing the effective result type.
14055 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14057 PR inline-asm/16194
14058 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14059 (tree_overlaps_hard_reg_set): Declare.
14060 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14061 type and signature to match function type expected by walk_tree.
14062 (tree_overlaps_hard_reg_set): New function.
14063 (decl_conflicts_with_clobbers_p): Rename to:
14064 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14065 Use tree_overlaps_hard_reg_set. Changed caller.
14066 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14067 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14068 * cris.c (cris_md_asm_clobbers): Likewise.
14070 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14072 * reload1.c (emit_input_reload_insns): Delete code that tries to
14073 inherit using find_equiv_reg.
14075 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14077 * c-common.h (flag_const_strings): Don't declare.
14078 * c-common.c (flag_const_strings): Remove.
14079 * c.opt (fconst_strings): Remove.
14080 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14081 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14082 (c_common_init_options): Don't set flag_const_strings.
14083 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14085 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14087 * arm.md (tlobits_cbranch): New pattern.
14088 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14089 testing a single bit.
14091 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14094 * tree-ssa-pre.c (create_component_ref_by_pieces):
14095 Handle RETURN_DECL like VAR_DECL.
14097 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14099 PR middle-end/26134
14100 * fold-const.c (fold_indirect_ref_1): Fold
14101 "*(foo *)&complexfoo" to "__real__ complexfoo"
14102 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14104 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14106 * tree-flow-inline.h (var_can_have_subvars):
14107 Volatile variables should not have subvariables.
14109 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14112 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14113 multiplying unsigned values.
14116 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14118 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14120 2006-02-08 Jason Merrill <jason@redhat.com>
14123 * tree.def: Elaborate on difference from MODIFY_EXPR.
14124 * doc/c-tree.texi (INIT_EXPR): Likewise.
14125 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14126 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14127 (gimplify_target_expr): Likewise.
14128 (gimplify_cond_expr): Remove target handling.
14129 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14130 (gimplify_expr): Clobber it here.
14131 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14132 Do return slot optimization if we have an INIT_EXPR.
14135 * tree-inline.c (declare_return_variable): Also clear
14136 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14139 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14141 PR middle-end/22439
14142 * gimplify.c (gimplify_one_sizepos): Fix typo.
14144 2006-02-08 Jeff Law <law@redhat.com>
14146 PR tree-optimization/21417
14147 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14148 across a backedge if the control statement at the end of the
14149 block is data dependent on other statements in the same block.
14150 (record_temporary_equivalences_from_stmts): Remove over-conservative
14151 test for threading across backedges.
14153 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14154 control statement, handle all three special cases in the same
14155 manner as they all have the same desired solution. No longer
14156 special case edge flag updating when the post dominator is
14159 2006-02-08 Roger Sayle <roger@eyesopen.com>
14161 * tree.def (CHAR_TYPE): Remove.
14162 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14163 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14164 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14165 (gen_string_type_die): Delete unreachable function.
14167 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14168 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14169 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14170 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14171 * builtins.c (type_to_class): Likewise.
14172 * fold-const.c (fold_convert, build_range_check,
14173 merge_ranges): Likewise.
14174 * expr.c (count_type_elements): Likewise.
14175 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14176 * stor-layout.c (layout_type): Likewise.
14177 * ipa-type-escape.c (type_to_consider): Likewise.
14178 * gimplify.c (omp_firstprivatize_type_sizes,
14179 gimplify_type_sizes): Likewise.
14180 * explow.c (promote_mode): Likewise.
14181 * tree-sra.c (is_sra_scalar_type): Likewise.
14182 * varasm.c (output_constant): Likewise.
14183 * tree-inline.c (remap_type_1): Likewise.
14184 * convert.c (convert_to_pointer, convert_to_real,
14185 convert_to_integer, convert_to_complex): Likewise.
14187 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14189 * df-scan.c (df_def_record_1): A set destination may
14190 be a parallel regardless of mode.
14192 2006-02-08 Roger Sayle <roger@eyesopen.com>
14195 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14196 * config/mips/_tilib.c: Remove.
14197 * config/fixtfdi.c: New libgcc source file.
14198 * config/fixunstfdi.c: New source file.
14199 * config/floatditf.c: New source file.
14200 * config/floatunditf.c: New souce file.
14201 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14202 files above instead of config/mips/_tilib.c.
14203 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14205 2006-02-08 Jeff Law <law@redhat.com>
14207 PR tree-optimization/26169
14208 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14211 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14213 * df.h (DF_REG_SIZE): Return the length of the initialized
14216 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14218 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14219 __muldf3): Return a correctly signed zero.
14221 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14223 * passes.c (register_one_dump_file): Accept the current properties
14224 instead of pass number. Adjust call to dump_register. Remove
14226 (register_dump_files): Now a wrapper around...
14227 (register_dump_files_1): ... this one. Do not modify the pass
14229 (next_pass_1): Cosmetic fix.
14230 (execute_todo): Keep second parameter only. Use curr_properties
14231 instead of fetching it from the pass structure. Check and set
14233 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14234 instead of fetching it from the pass structure. Fix calls to
14235 execute_todo. Update curr_properties and initialize .vcg RTL dump
14236 after running the pass. Reset last_verified.
14237 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14239 (FIRST_AUTO_NUMBERED_DUMP): New.
14240 (dump_register): Remove "num" parameter, assign it within the
14242 (get_dump_file_name): Modify template for dumps.
14243 * tree-dump.h (dump_register): Adjust prototype.
14244 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14245 (PROP_trees): Add PROP_gimple_lomp.
14246 (TODO_set_props): New.
14247 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14248 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14249 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14251 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14253 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14254 (sparc64-*-linux*): Likewise.
14255 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14256 * config/sparc/t-linux: New file.
14257 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14258 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14259 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14260 -m32 -mlong-double-128.
14262 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14263 * config/alpha/t-linux: New file.
14264 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14266 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14267 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14268 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14269 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14270 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14271 (CPP_ARCH32_SPEC): Remove.
14273 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14275 PR tree-optimization/26145
14276 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14279 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14282 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14283 >= 240000 when generating code for SOM runtime.
14284 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14285 to $$dyncall when generating code for SOM runtime..
14287 2006-02-07 Dirk Mueller <dmueller@suse.com>
14290 * doc/invoke.texi (-Wsequence-point): Update documentation
14291 that -Wsequence-point is implemented for C++ as well.
14293 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14295 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14296 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14297 (LIB_SPEC): Likewise.
14298 * doc/invoke.texi (SPARC options): Document -pthread.
14300 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14302 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14305 2006-02-07 Roger Sayle <roger@eyesopen.com>
14307 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14308 Correct comment describing BOOLEAN_TYPE.
14310 2006-02-07 Dirk Mueller <dmueller@suse.com>
14312 * c.opt: C++ frontend supports -Wdiv-by-zero.
14313 * c-opts.c (c_common_handle_option): Remove dead case.
14315 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14317 * configure.ac (TLS assembler check): Do not enable TLS by
14318 default on SPARC/Solaris before version 10.
14319 * configure: Regenerate.
14321 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14323 * doc/invoke.texi (xl-compat): Document conversion and support
14326 2006-02-07 Jeff Law <law@redhat.com>
14328 * tree-vrp.c (find_conditional_asserts): Update comments.
14329 (simplify_stmt_for_jump_threading): New.
14330 (identify_jump_threads, finalize_jump_threads): New.
14331 (vrp_finalize): Call identify_jump_threads.
14332 (execute_vrp): Call finalize_jump_threads.
14333 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14334 (vrp_element, vrp_data, vrp_element_p): Remove.
14335 (vrp_hash_elt, vrp_variables_stack): Remove.
14336 (vrp_hash, vrp_eq, record_range): Remove.
14337 (simplify_cond_and_lookup_avail_expr): Remove.
14338 (extract_range_from_cond): Remove.
14339 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14340 (simplify_stmt_for_jump_threading): New.
14341 (dom_thread_across_edge): New wrapper.
14342 (tree_ssa_dominator_optimize): No longer initialize or
14343 finalize any of the VRP datastructures. Remove iteration
14344 step and simplify as a result of removal of iteration step.
14345 (pass_dominator): Perform a cfg cleanup after DOM.
14346 (dom_opt_finalize_block): Use the new common routines
14347 for threading jumps. Simplify stack management slightly.
14348 No longer need to unwind VRP state.
14349 (record_equivalences_from_incoming_edge): No longer record
14351 (eliminate_redundant_computations): No longer call
14352 simplify_cond_and_lookup_avail_expr.
14353 * tree-flow.h (potentially_threadable_block): Prototype.
14354 (thread_across_edge): Likewise.
14355 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14356 (tree-ssa-threadedge.o): Add dependencies.
14357 * tree-ssa-threadedge.c: New file.
14358 * passes.c (init_optimization_passes): Merge PHIs before
14359 calling VRP. Run VRP again late in the SSA optimization pipeline.
14361 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14363 * df-core.c (df_set_blocks): Do not dereference function pointers.
14364 (df_finish1): Likewise.
14365 (df_hybrid_search_forward): Likewise.
14366 (df_hybrid_search_backward): Likewise.
14367 (df_iterative_dataflow): Likewise.
14368 (df_analyze_problem): Likewise.
14369 (df_compact_blocks): Likewise.
14370 (df_dump): Likewise.
14371 * df-scan.c (df_rescan_blocks): Likewise.
14372 (df_record_entry_block_defs): Likewise.
14374 * genconditions.c (write_conditions): Guard the definition of
14375 'insn_conditions' with the check on GCC version.
14376 (write_writer): Guard the traversal 'insn_conditions' with
14377 the check on GCC version.
14379 2006-02-07 Richard Guenther <rguenther@suse.de>
14383 2006-01-30 Richard Guenther <rguenther@suse.de>
14385 * gimplify.c (gimplify_target_expr): Handle easy cases
14386 without creating a temporary.
14388 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14390 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14391 use of float in probability computations. Use edge probabilities
14392 in place of statically computed probabilities.
14393 (min_spec_prob): New static variable.
14394 (schedule_insns): Initialize it.
14395 (GET_SRC_PROB): Removed.
14396 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14398 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14401 * config/ia64/unwind-ia64.c: Revert last change.
14402 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14403 (INCOMING_FRAME_SP_OFFSET): Define.
14405 2006-02-06 Roger Sayle <roger@eyesopen.com>
14407 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14409 2006-02-07 Ben Elliston <bje@au.ibm.com>
14411 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14412 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14413 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14414 (ix86_return_in_memory): Handle TDmode.
14415 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14416 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14418 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14420 * reorg.c (dbr_schedule): Use dump_file instead of file.
14422 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14425 * config/ia64/predicates.md (extr_len_operand): New predicate.
14426 * config/ia64/ia64.md (extv): Tighten constraints.
14428 (*tbit_and_2): Ditto.
14429 (*tbit_and_3): Ditto.
14430 (*tbit_or_2): Ditto.
14431 (*tbit_or_3): Ditto.
14432 (*bit_zero): Ditto.
14435 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14438 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14440 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14442 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14443 loop_optimizer_init and loop_optimizer_finalize
14444 * tree-ssa-sink.c (execute_sink_code): Ditto.
14445 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14446 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14447 tree_ssa_loop_done): Ditto.
14448 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14449 * sched-ebb.c: Include output.h.
14450 (schedule_ebbs): Do not use dump argument.
14451 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14452 * loop.c (loop_dump_stream): Removed.
14453 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14455 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14456 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14457 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14458 loop_iterations, strength_reduce, record_biv, record_giv,
14459 final_giv_value, check_final_value, check_ext_dependent_givs,
14460 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14461 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14462 dump_file instead of loop_dump_stream.
14463 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14464 argument dump_file.
14465 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14467 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14468 * haifa-sched.c: Include output.h
14469 (schedule_insns, sched_init): Do not use dump argument.
14470 * mode-switching.c (optimize_mode_switching): Ditto.
14471 * modulo-sched.c (stats_file): Removed.
14472 (print_node_sched_params): Do not call argument dump_file.
14473 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14474 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14476 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14478 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14479 rtl_loop_init, rtl_loop_done): Ditto.
14480 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14481 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14483 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14484 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14485 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14486 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14487 * emit-rtl.c (renumber_insns): Ditto.
14488 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14489 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14490 * regclass.c (regclass): Ditto.
14491 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14492 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14493 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14494 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14496 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14497 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14499 * gcse.c (gcse_file, debug_stderr): Removed.
14500 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14501 rest_of_handle_gcse): Do not use dump argument.
14502 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14503 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14504 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14505 compute_code_hoist_vbeinout, compute_code_hoist_data,
14506 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14507 compute_store_table, build_store_vectors, insert_insn_start_bb,
14508 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14509 store_motion): Use dump_file instead of gcse_file.
14510 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14511 * profile.c (profile_dump_file): Removed.
14512 (branch_prob): Use dump_file instead of profile_dump_file.
14513 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14515 * tree-ssa-copy.c (dump_copy_of): Ditto.
14516 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14517 dump file to life_analysis.
14518 * bt-load.c (branch_target_load_optimize): Ditto.
14519 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14521 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14522 regclass, dbr_schedule): Declaration changed.
14523 * sched-int.h (sched_init): Declaration changed.
14524 * tree-profile.c (tree_profile_dump_file): Removed.
14525 (tree_profile_hooks): Removed profile_dump_file hook.
14526 * rtl-profile (rtl_profile_dump_file): Removed.
14527 (rtl_profile_hooks): emoved profile_dump_file hook.
14528 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14530 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14531 * tree-cfg.c (build_tree_cfg): Ditto.
14532 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14533 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14534 Declaration changed.
14535 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14536 life_analysis and schedule_insns.
14537 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14539 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14541 * config/mips/mips.c (mips_reorg): Ditto.
14542 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14545 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14547 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14548 (s390_mangle_fundamental_type): New.
14549 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14552 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14553 (alpha_mangle_fundamental_type): New.
14554 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14557 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14559 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14561 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14562 (sparc_mangle_fundamental_type): New.
14564 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14566 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14567 (s390x-*-linux*): Likewise.
14568 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14569 * config/s390/t-linux: New file.
14571 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14573 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14574 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14576 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14578 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14579 (ANTIC_SAFE_LOADS): New macro.
14580 (find_or_generate_expression): Add prototype.
14581 (set_contains_value): Allow null set for sake of not always having
14582 to allocate ANTIC_SAFE_LOADS.
14583 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14584 Allow COMPONENT_REF too.
14585 (valid_in_set): Allow COMPONENT_REF.
14586 Check ANTIC_SAFE_LOADS too.
14587 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14588 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14590 (can_PRE_operation): Add COMPONENT_REF.
14591 (create_component_ref_by_pieces): New function.
14592 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14593 (insert_aux): Move AGGREGATE_TYPE_P check here.
14594 (compute_avail): Set bb local stmt uids.
14595 (pass_pre): Use TODO_update_ssa_only_virtuals.
14597 2006-02-06 Ben Elliston <bje@au.ibm.com>
14599 * configure.ac: Unconditionally disable decimal float by default.
14600 * configure: Regenerate.
14602 2006-02-06 Ben Elliston <bje@au.ibm.com>
14604 * read-rtl.c (read_name): Terminate reading on EOF.
14606 2006-02-06 Ben Elliston <bje@au.ibm.com>
14608 * dfp.c (decimal_real_arithmetic): Change second argument type
14609 from int to enum tree_code. Do not always return true, but now
14610 return result of any call to decimal_do helper functions.
14611 * dfp.h (decimal_real_arithmetic): Update prototype.
14613 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14615 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14617 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14620 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14623 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14625 * tree-vrp.c (cfg_loops): Removed.
14626 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14627 Use current_loops instead of cfg_loops. Pass flags to
14628 loop_optimizer_init.
14629 * cfgloopmanip.c (fix_loop_structure): Update only available
14631 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14632 loop_optimizer_init.
14633 * modulo-sched.c (build_loops_structure): Removed.
14634 (sms_schedule): Use loop_optimizer_init.
14635 * loop-init.c (loop_optimizer_init): Use flags to determine
14636 which properties of loops to prepare.
14637 (rtl_loop_init): Pass flags to loop_optimizer_init.
14638 * tree-ssa-sink.c (execute_sink_code): Ditto.
14639 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14640 * tree-ssa-pre.c (init_pre): Ditto.
14641 * cfgloop.h (LOOPS_NORMAL): New.
14642 (loop_optimizer_init): Declaration changed.
14644 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14646 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14647 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14649 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14651 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14653 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14654 * pa/t-pa64: Delete quadlib.c rule.
14655 * pa/x-ada: Revert last change.
14656 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14658 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14660 PR rtl-optimization/26087
14661 * rtlanal.c (canonicalize_condition): Do not cross basic block
14664 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14667 * config/ia64/ia64.c: Include debug.h.
14668 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14669 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14670 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14671 (process_epilogue, process_set, process_for_unwind_directive):
14672 Output unwind info only if requested. Add CFA info if requested.
14673 Add new arguments as needed. Adjust callers.
14674 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14676 (DWARF2_FRAME_INFO): Define to zero.
14677 * config/ia64/unwind-ia64.c: Remove code that compensated for
14678 the CFA offset error fixed above.
14679 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14680 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14681 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14682 -funwind-tables and -fexceptions to enable frame info.
14683 (dwarf2out_frame_init): Define initial CFA even if
14684 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14685 DWARF2_UNWIND_INFO is nonzero, not just defined.
14686 (dwarf2out_frame_finish): Output non-EH call frame info only
14687 if DWARF2_FRAME_INFO is nonzero.
14688 (convert_cfa_to_loc_list,
14689 compute_frame_pointer_to_cfa_displacement): Define even if
14690 unwind info is not supported.
14691 (gen_subprogram_die): Use the above unconditionally. Remove
14692 legacy alternate code.
14693 * toplev.c (compile_file): Compile in call to
14694 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14695 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14697 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14698 Jakub Jelinek <jakub@redhat.com>
14700 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14701 IBM extended float format long double as "g" on powerpc*-linux.
14703 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14706 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14707 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14709 2006-02-03 Jason Merrill <jason@redhat.com>
14712 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14714 PR middle-end/25977
14715 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14716 on the return slot if it's an NRV.
14718 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14720 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14721 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14722 rewrite_use): Do not handle USE_OUTER.
14723 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14724 add_iv_outer_candidates, may_replace_final_value,
14725 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14726 (find_interesting_uses_op): Functionality of
14727 find_interesting_uses_outer_or_nonlin moved here.
14728 (find_interesting_uses_outside): Use find_interesting_uses_op.
14730 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14733 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14735 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14736 Ulrich Weigand <uweigand@de.ibm.com>
14739 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14740 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14741 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14742 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14744 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14745 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14746 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14747 Define secondary reloads for TFmode moves.
14748 (constant_modes): Add TFmode.
14749 (NR_C_MODES): Set to 8.
14750 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14752 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14753 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14754 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14755 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14756 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14757 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14758 (FPR mode macro): Add TFmode.
14759 (DSF mode macro): New.
14760 (<de>, <dee> mode attributes): Removed.
14761 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14762 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14763 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14764 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14765 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14766 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14767 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14768 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14769 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14770 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14771 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14772 "*negabs<mode>2", "sqrt<mode>2"):
14773 Changed <de> to <xde>. R constraint replaced by <Rf>.
14774 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14776 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14777 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14778 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14780 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14781 "extenddftf2", "extendsftf2"): New expanders.
14782 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14783 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14784 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14785 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14787 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14788 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14789 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14790 __floatditf): Add a GCC_4.1.0 symbol version tag.
14791 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14794 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14797 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14798 Use targetm.binds_local_p instead of TREE_PUBLIC.
14800 2006-02-02 Roger Sayle <roger@eyesopen.com>
14802 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14803 on INTEGER_TYPEs to indicate that it denotes a character type.
14804 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14805 signed_char_type_node, unsigned_char_type_node and char_type_node.
14806 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14807 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14808 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14810 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14811 Daniel Berlin <dberlin@dberlin.org>
14813 * tree-tailcall.c (arg_needs_copy_p): New function.
14814 (eliminate_tail_call): Use arg_needs_copy_p.
14815 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14816 (add_virtual_phis): New function.
14818 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14820 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14821 #ignore instead of #scratch for %g7 .register directive.
14823 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14825 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14828 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14830 * flow.c (calculate_global_regs_live): Assert that there aren't any
14833 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14835 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14836 what its name says.
14837 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14838 bsi_after_labels iterator.
14839 * tree-if-conv.c (find_phi_replacement_condition,
14840 replace_phi_with_cond_modify_expr): Likewise.
14841 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14842 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14844 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14846 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14848 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14851 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14852 array after growing it.
14854 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14856 PR middle-end/24901
14857 * fold-const.c (fold_checksum_tree): Change type of buf.
14859 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14861 * reload.c (push_secondary_reload): Initialize t_icode.
14863 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14865 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14866 -msoft-float -mlong-double-128 only issue a warning, but don't
14867 swich to DFmode long double.
14869 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14871 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14872 has a constant equivalent, iterate over equivalents for arg0,
14873 calling simplify_relational_operation and if there's a result
14874 cheaper than X, apply fold_rtx and return the result.
14876 2006-02-01 Jan Hubicka <jh@suse.cz>
14878 * opts.c (no_unit_at_a_time_default): New global variable.
14879 (decode_options): Use it.
14880 * opts.h (no_unit_at_a_time_default): Declare.
14882 2006-02-01 Paul Brook <paul@codesourcery.com>
14884 * function.c (assign_parm_setup_reg): Use function argument promotion
14886 * expr.c (expand_expr_real_1): Use function argument promotion rules
14889 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14891 * gcc.c (process_command): Change j to 'unsigned int'.
14893 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14895 PR middle-end/26001
14896 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14897 Use the corrected index for the character
14898 out of the string constant.
14900 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14902 * mode-switching.c (optimize_mode_switching): Fix size
14903 allocated for bb_info[n_entities].
14905 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14907 * gcc.c (main): Correct type that is allocated for
14908 explicit_link_files.
14910 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14912 * config/s390/s390.c (init_alignment_context): Set
14913 ALIAS_SET_MEMORY_BARRIER on the MEM.
14914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14916 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14918 PR middle-end/25933
14919 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14921 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14924 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14926 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14927 * regrename.c: Ditto.
14928 * tree-ssa-loop-im.c: Ditto.
14929 * tree-dump.c: Ditto.
14930 * tree-complex.c: Ditto.
14931 * genrecog.c: Ditto.
14932 * tree-ssa-threadupdate.c: Ditto.
14934 * java/class.c: Ditto.
14935 * java/jcf-parse.c: Ditto.
14936 * java/resource.c: Ditto.
14937 * java/except.c: Ditto.
14938 * java/jvspec.c: Ditto.
14939 * java/jcf-write.c: Ditto.
14940 * java/jcf-path.c: Ditto.
14941 * java/gjavah.c: Ditto.
14942 * java/zextract.c: Ditto.
14943 * java/jcf-io.c: Ditto.
14944 * java/jcf.h: Ditto.
14945 * java/buffer.c: Ditto.
14946 * java/lang.c: Ditto.
14947 * java/parse-scan.y: Ditto.
14948 * java/lex.c: Ditto.
14949 * java/lex.h: Ditto.
14950 * cfgloopmanip.c: Ditto.
14951 * postreload-gcse.c: Ditto.
14952 * tree-ssa-loop-manip.c: Ditto.
14953 * postreload.c: Ditto.
14954 * tree-ssa-loop-ch.c: Ditto.
14957 * cppspec.c: Ditto.
14958 * diagnostic.c: Ditto.
14960 * genoutput.c: Ditto.
14962 * cfghooks.c: Ditto.
14963 * cfgloopanal.c: Ditto.
14964 * objc/objc-act.c: Ditto.
14966 * genextract.c: Ditto.
14967 * genautomata.c: Ditto.
14968 * pretty-print.c: Ditto.
14969 * genemit.c: Ditto.
14970 * cgraphunit.c: Ditto.
14972 * df-scan.c: Ditto.
14973 * haifa-sched.c: Ditto.
14974 * dominance.c: Ditto.
14976 * tree-ssa-loop-ivopts.c: Ditto.
14977 * df-core.c: Ditto.
14978 * mode-switching.c: Ditto.
14979 * modulo-sched.c: Ditto.
14981 * ipa-pure-const.c: Ditto.
14983 * fix-header.c: Ditto.
14985 * tree-stdarg.c: Ditto.
14986 * ipa-utils.c: Ditto.
14987 * loop-init.c: Ditto.
14988 * ipa-inline.c: Ditto.
14989 * cfganal.c: Ditto.
14991 * alloc-pool.c: Ditto.
14992 * dwarf2out.c: Ditto.
14994 * genattrtab.c: Ditto.
14995 * tree-ssa-loop-ivcanon.c: Ditto.
14996 * predict.c: Ditto.
14997 * timevar.c: Ditto.
14999 * fortran/gfortranspec.c: Ditto.
15000 * regmove.c: Ditto.
15001 * local-alloc.c: Ditto.
15002 * langhooks.c: Ditto.
15003 * function.c: Ditto.
15004 * tree-vectorizer.c: Ditto.
15006 * ipa-type-escape.c: Ditto.
15008 * tree-if-conv.c: Ditto.
15009 * profile.c: Ditto.
15011 * tree-data-ref.c: Ditto.
15012 * loop-unroll.c: Ditto.
15013 * treelang/treetree.c: Ditto.
15015 * bt-load.c: Ditto.
15016 * ggc-common.c: Ditto.
15018 * coverage.c: Ditto.
15020 * tree-cfgcleanup.c: Ditto.
15021 * tree-ssa-pre.c: Ditto.
15022 * cfgcleanup.c: Ditto.
15023 * loop-invariant.c: Ditto.
15024 * loop-iv.c: Ditto.
15025 * ipa-prop.c: Ditto.
15026 * print-tree.c: Ditto.
15027 * conflict.c: Ditto.
15028 * ggc-page.c: Ditto.
15029 * sched-deps.c: Ditto.
15030 * regclass.c: Ditto.
15031 * tree-object-size.c: Ditto.
15032 * combine.c: Ditto.
15033 * bb-reorder.c: Ditto.
15034 * resource.c: Ditto.
15035 * var-tracking.c: Ditto.
15036 * cfgloop.c: Ditto.
15037 * df-problems.c: Ditto.
15038 * reg-stack.c: Ditto.
15040 * gccspec.c: Ditto.
15041 * sched-rgn.c: Ditto.
15042 * tree-ssa-structalias.c: Ditto.
15043 * tree-ssa-reassoc.c: Ditto.
15044 * config/darwin-c.c: Ditto.
15045 * config/darwin.c: Ditto.
15046 * config/arm/arm.c: Ditto.
15048 * collect2.c: Ditto.
15049 * reload1.c: Ditto.
15051 2006-01-31 Nicolas Pitre <nico@cam.org>
15053 * arm.md (smaxsi3): Make aware of smax_m1.
15056 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15058 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15060 2006-01-31 Richard Guenther <rguenther@suse.de>
15062 * doc/invoke.texi (-msselibm): Document.
15063 * target.h (expand_library_builtin): New target hook.
15064 * builtins.c (expand_builtin): Use expand_library_builtin.
15065 (default_expand_library_builtin): New function.
15066 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15067 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15068 (link_gcc_math_spec): Declare.
15069 (static_specs): Add link_gcc_math_spec.
15070 * expr.h (default_expand_library_builtin): Declare.
15071 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15072 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15073 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15074 * config/i386/i386.opt (msselibm): New target option.
15075 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15076 (ix86_init_sse_abi_builtins): New function.
15077 (ix86_expand_library_builtin): Likewise.
15078 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15079 (override_options): Handle error conditions wrt -msselibm.
15080 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15081 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15082 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15085 2006-01-31 Richard Guenther <rguenther@suse.de>
15086 Paolo Bonzini <bonzini@gnu.org>
15088 * doc/install.texi (--disable-libgcc-math): Document.
15090 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15092 * expr.h (expand_normal): new inline function.
15093 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15094 * dojump.c: use it.
15095 * dwarf2out.c: use it.
15098 * expmed.c: use it.
15099 * except.c: use it.
15100 * config/sparc/sparc.c: use it.
15101 * config/i386/i386.c: use it.
15102 * config/rs6000/rs6000.c: use it.
15103 * config/arm/arm.c: use it.
15104 * config/mips/mips.c: use it.
15105 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15107 2006-01-30 Roger Sayle <roger@eyesopen.com>
15109 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15110 argv to the appropriate type.
15112 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15114 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15117 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15120 * config/s390/s390.c (struct machine_function): New flag
15121 decomposed_literal_pool_addresses_ok_p.
15122 (s390_reorg): Set it before final stage of literal pool transforms.
15123 (s390_decompose_address): Only accept displacements of the form
15124 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15126 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15128 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15129 the comparison routine return.
15131 2006-01-30 Michael Matz <matz@suse.de>
15133 * global.c (find_reg): Only evict for global regs.
15134 Take n_refs into account and dump more info.
15136 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15139 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15140 (pragma_trap, pragma_nosave_low_regs): Likewise.
15141 (current_function_anonymous_args): Likewise.
15142 (sh_deferred_function_attributes): New variable.
15143 (sh_deferred_function_attributes_tail): Likewise.
15144 (print_operand): For '@', look up trap_exit attribute.
15145 (calc_live_regs): Look up trapa_handler attribute. For trapa
15146 handlers, save/restore fpscr, but don't do any other
15147 interrupt-specific saves.
15148 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15149 Fix check for partially saved registers to check for SHmedia.
15150 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15151 (sh_output_function_epilogue): Don't clear any of the removed
15153 (sh_insert_attributes): Don't check pragma_interrupt.
15154 Insert deferred attributes. Check that interrupt attribute is
15155 present for other attributes that require its presence.
15156 (sh_attribute_table): Add new attributes trapa_handler and
15158 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15159 Don't check for pragma_interrupt. Don't store argument.
15160 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15161 (sh_deferred_function_attributes): Declare.
15162 (sh_deferred_function_attributes_tail): Likewise.
15163 * sh.md (sp_switch_1): Add operand. Change generator caller.
15164 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15165 (*return_i): Don't use when trap_exit attribute is in effect.
15166 (*return_trapa): New insn pattern.
15167 * sh-c.c: New file.
15168 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15169 setting c_target_objs and cxx_target_objs.
15170 * t-sh: Add rule for sh-c.o.
15172 2006-01-30 Richard Guenther <rguenther@suse.de>
15175 * gimplify.c (gimplify_target_expr): Handle easy cases
15176 without creating a temporary.
15178 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15180 * vec.h (safe_grow): Remove duplicated line.
15182 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15185 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15186 (expand_omp): ... here.
15187 (expand_omp_parallel): Only remove barriers for combined
15188 parallel+workshare constructs.
15190 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15194 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15195 * tree.c (build_qualified_type): Chain the new type to the original
15196 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15197 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15198 (build_pointer_type_for_mode): Only return unqualified types.
15199 (build_reference_type_for_mode): Likewise.
15201 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15203 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15204 * Makefile.in (CXX_COMPAT_WARN): Define.
15205 * configure: Regenerate.
15207 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15210 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15213 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15215 * toplev.c: Fix thinko.
15217 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15218 Marcin Dalecki <martin@dalecki.de>
15220 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15221 (push_srcloc): Use XNEW.
15222 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15224 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15226 * df-core.c (df_set_blocks): Deleted all variable.
15228 2006-01-28 Ian Lance Taylor <ian@airs.com>
15230 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15231 cgraph_output_pending_asms.
15233 2006-01-28 Zack Weinberg <zackw@panix.com>
15235 * c.opt: Add -W(no-)overlength-strings.
15236 * doc/invoke.texi: Document it.
15237 * c-opts.c (c_common_handle_option): -pedantic implies
15238 -Woverlength-strings, if not explicitly disabled already.
15239 (c_common_post_options): -Woverlength-strings defaults to off, and
15240 is always off for C++.
15241 * c-common.c (fix_string_type): Issue warning about strings longer
15242 than is portable only if warn_overlength_strings. Rearrange code
15243 a little for clarity.
15244 * configure.in: Check for -Wno-overlength-strings as well before
15245 enabling -pedantic in stage 1.
15246 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15247 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15249 * genconditions.c (write_header, write_one_condition)
15250 (write_conditions, write_writer): Consolidate very long strings
15251 that were broken up to fit in C89 portable limit. Don't use
15252 printf when fputs will do.
15254 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15256 * combine.c (simplify_comparison <AND>): Check
15257 TRULY_NOOP_TRUNCATION before start using a subreg.
15259 * config/mips/mips.md (*branch_zero<mode>,
15260 *branch_zero<mode>_inverted, *branch_equality<mode>,
15261 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15262 Remove mode check from comparisons.
15264 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15266 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15268 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15270 * expmed.c (const_mult_add_overflow_p): Remove.
15271 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15273 * recog.c (validate_replace_rtx_subexp): Remove.
15274 * recog.h: Remove the prototype for
15275 validate_replace_rtx_subexp.
15277 * integrate.h: Remove the prototype for
15278 copy_decl_for_inlining.
15279 * rtl.h: Remove the prototype for mark_constant_function.
15280 * tree-vectorizer.h: Remove the prototype for
15281 vect_strip_conversion.
15283 * modulo-sched.c (create_partial_schedule,
15284 free_partial_schedule, reset_partial_schedule): Make them
15287 * hooks.c (hook_bool_rtx_int_false): Remove.
15288 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15290 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15292 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15293 and -mlong-double-128 are incompatible.
15294 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15295 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15296 (TARGET_LIBGCC2_CFLAGS): Define.
15297 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15298 (TARGET_LIBGCC2_CFLAGS): Same.
15299 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15301 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15304 * c-typeck.c (build_binary_op): Perform implicit casts of
15305 operands before shortening them.
15307 * cfgloopmanip.c (split_loop_bb): Remove.
15308 * cfgloop.h: Remove the prototype for split_loop_bb.
15310 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15311 * cfgloop.h: Remove the prototype for
15312 flow_loop_outside_edge_p.
15314 * emit-rtl.c (init_virtual_regs): Make it static.
15315 * function.h: Remove the prototype for init_virtual_regs.
15317 * recog.c (peephole2_optimize): Make it static.
15318 * recog.h: Remove the prototype for peephole2_optimize.
15320 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15322 * df-scan.c (df_record_entry_block_defs): Check if
15323 INCOMING_RETURN_ADDR_RTX is defined.
15325 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15326 Kenneth Zadeck <zadeck@naturalbridge.com>
15328 PR rtl-optimization/24762
15329 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15330 * targhooks.c (hook_void_bitmap): New hook prototype.
15331 * targhoohs.h (hook_void_bitmap): Ditto.
15332 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15333 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15334 * target.h (live_on_entry): New function pointer.
15335 * df-scan.c (df_all_hard_regs): Removed.
15336 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15337 (df_scan_free_internal): Added df->entry_block_defs.
15338 (df_scan_alloc): Ditto.
15339 (df_scan_dump): Ditto.
15340 (df_uses_record): Plumbed flag field properly thru calls.
15341 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15342 This part fixes PR24762.
15343 (df_bb_refs_record): Added code to make the frame and arg
15344 pointers live in EH blocks.
15345 (df_refs_record): Added call to df_record_entry_block_defs.
15346 (df_record_entry_block_defs): New function.
15347 * df-core.c: Added comments to describe new artifical defs.
15348 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15349 (entry_block_defs): New field in struct df.
15350 (df_all_hard_regs): Deleted.
15351 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15352 * df-problems.c (df_ru_bb_local_compute_process_def):
15353 Added code to handle artifical defs in the entry to a function.
15354 (df_ru_bb_local_compute): Ditto.
15355 (df_rd_bb_local_compute_process_def): Ditto.
15356 (df_rd_bb_local_compute): Ditto.
15357 (df_lr_bb_local_compute): Ditto.
15358 (df_ur_bb_local_compute): Ditto.
15359 (df_urec_bb_local_compute): Ditto.
15360 (df_chain_create_bb): Ditto.
15361 (df_ur_local_finalize): Removed entry.
15362 (df_urec_init): Ditto.
15363 (df_urec_local_finalize): Ditto.
15364 (df_ri_bb_compute): Added detection of last use of pseudos.
15365 * Makefile.in (df-scan.o): Updated dependencies.
15366 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15367 * config/mips/mips.c (mips_set_live_on_entry): Added.
15368 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15370 * dce.c (marked_insn_p): Added code to handle artifical defs.
15372 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15374 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15376 (_mm_cvtsi128_si64): Likewise.
15377 (_mm_cvtsd_si64): Likewise.
15378 (_mm_cvttsd_si64): Likewise.
15379 (_mm_cvtsi64_sd): Likewise.
15380 (_mm_cvtsi64_si128): Likewise.
15381 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15382 (_mm_cvtsi64_m64): Likewise.
15383 (_m_to_int64): Likewise.
15384 (_mm_cvtm64_si64): Likewise.
15385 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15386 (_mm_cvttss_si64): Likewise.
15387 (_mm_cvtsi64_ss): Likewise.
15388 (_mm_cvtss_f32): Likewise.
15390 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15392 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15393 for pragma redefine_extname.
15395 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15398 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15399 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15400 -mno-minimal-toc to previous content.
15401 (bispecs): Remove goal.
15402 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15403 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15404 compatibility aliases on powerpc-*-*gnu*.
15405 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15406 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15407 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15408 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15409 (ldblspecs): New goal.
15410 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15411 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15413 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15414 L_sf_to_tf or L_df_to_tf is defined.
15416 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15417 Alan Modra <amodra@bigpond.net.au>
15420 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15421 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15422 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15423 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15424 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15425 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15426 (rs6000_override_options): Initialize rs6000_ieeequad.
15427 Initialize TFmode format to ibm_extended_format if not
15429 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15431 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15432 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15433 (function_arg_advance): IBM long double passed in two FPRs, not
15435 (function_arg): IBM long double passed in FPRs.
15436 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15437 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15438 Only multireg GPR aligned.
15439 (rs6000_init_libfuncs): Enable IBM long double functions if not
15441 (rs6000_generate_compare): Use IBM long double compare if not
15443 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15444 (TARGET_IEEEQUAD): Define.
15445 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15446 not TARGET_IEEEQUAD.
15447 * config/rs6000/rs6000.md: Enable TFmode patterns if
15449 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15450 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15451 and -mlong-double-128 are incompatible.
15452 * doc/invoke.texi (-mabi): Collect options together. Add
15453 ibmlongdouble and ieeelongdouble.
15455 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15457 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15459 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15460 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15461 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15462 * rtl.h (rtunion_def): Remove rt_ptr.
15464 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15465 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15466 * config/i386/winnt.c (i386_pe_mark_dllexport)
15467 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15469 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15471 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15473 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15477 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15478 pthread_key_delete. From John David Anglin. gthrw-ify
15479 pthread_getunique_np only if it it's not a macro. Delete
15481 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15482 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15483 __gthread_objc_condition_signal, __gthread_key_delete): Add
15484 "__attribute__ ((__unused__))" to unused arguments.
15485 (__gthread_recursive_mutex_init_function): Add missing return.
15486 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15487 gthr-posix95.h: Use macro-based approach for name redirection
15488 on targets missing weakref.
15490 2006-01-26 Zack Weinberg <zackw@panix.com>
15492 * genconditions.c (write_header): In generated code, #ifdef out
15493 all includes and fake declarations, except includes of bconfig.h
15494 and system.h, unless GCC_VERSION >= 3001. Do not include
15495 gensupport.h in any case.
15496 (write_conditions): Generate a definition of struct c_test. Add
15497 a comment to the generated #endif.
15498 (write_one_condition): Escape backslashes in string too.
15499 (write_writer): Generated code must escape backslashes and quote
15500 marks (but not newlines) in the strings it writes.
15501 * Makefile.in (build/gencondmd.o): Update dependencies.
15503 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15506 * Makefile.in (insn-automata.o): Add header file dependencies.
15507 * genautomata.c: Add includes.
15509 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15512 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15514 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15516 * configure.ac: Expect target tools paths to be passed from the toplevel
15517 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15519 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15524 * c.opt (Wpointer-sign): Init to -1.
15525 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15526 OPT_pedantic, to 0 otherwise.
15527 * doc/invoke.texi: Update.
15529 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15531 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15532 constants provided by 80387 instructions in the destination mode.
15534 2006-01-26 Richard Guenther <rguenther@suse.de>
15535 Andrew Pinski <pinskia@physics.uc.edu>
15538 partial PR tree-opt/17064
15539 * tree-ssa-structalias.c (intra_create_variable_infos):
15540 Create heap variables for incoming parameters if
15541 flag_argument_noalias > 1.
15542 (find_what_p_points_to): Look through default defs of
15545 2006-01-26 Jeff Law <law@redhat.com>
15548 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15549 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15550 within the VR_RANGE, use the VR_RANGE as the result, not the
15552 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15553 bounds for the type.
15555 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15557 * tree-ssa-alias.c (maybe_create_global_var): Change
15558 subvar walking to an assertion that we don't have subvar'd variables.
15560 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15563 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15564 Use a new variable, inner. PARM_DECLs are always non-weak.
15566 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15568 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15569 --disable-checking.
15571 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15573 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15575 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15577 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15578 (smax_insn, smin_insn, smax_0, smin_0): New.
15580 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15583 * config/cris/cris.c (cris_order_for_addsi3): New function.
15584 * config/cris/cris-protos.h: Prototype it.
15585 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15586 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15587 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15588 (split for "op.S1 [rx=rx+i],ry (swapped)")
15589 (split for "op(s|u).S1 [rx=rx+i],ry")
15590 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15591 Apply cris_order_for_addsi3 when generating addsi3 insns.
15593 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15595 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15596 (TREE_BLOCK): Add call to EXPR_CHECK.
15598 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15601 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15602 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15603 (dump_omp_clauses): ... here.
15604 (dump_generic_node): Handle OMP_CLAUSE.
15605 * tree.c (omp_clause_num_ops): New.
15606 (omp_clause_code_name): New.
15607 (tree_code_size): Handle OMP_CLAUSE.
15608 (tree_size): Likewise.
15609 (make_node): Document handling of OMP_CLAUSE.
15610 (tree_node_structure): Handle OMP_CLAUSE.
15611 (omp_clause_check_failed): New.
15612 (omp_clause_range_check_failed): New.
15613 (omp_clause_operand_check_failed): New.
15614 (build_omp_clause): New.
15615 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15616 * tree.h (enum omp_clause_code): Declare.
15617 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15618 (OMP_CLAUSE_RANGE_CHECK): Define.
15619 (OMP_CLAUSE_ELT_CHECK): Define.
15620 (omp_clause_check_failed): Declare.
15621 (omp_clause_operand_check_failed): Declare.
15622 (omp_clause_range_check_failed): Declare.
15623 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15624 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15625 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15626 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15627 (OMP_CLAUSE_IF_EXPR): Likewise.
15628 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15629 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15630 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15631 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15632 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15633 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15634 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15635 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15636 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15637 (OMP_CLAUSE_CODE): Define.
15638 (OMP_CLAUSE_SET_CODE): Define.
15639 (OMP_CLAUSE_CODE): Define.
15640 (OMP_CLAUSE_OPERAND): Define.
15641 (struct tree_omp_clause): Declare.
15642 (union tree_node): Add field 'omp_clause'.
15643 * treestruct.def (TS_OMP_CLAUSE): Define.
15644 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15645 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15646 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15647 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15648 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15649 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15650 (OMP_CLAUSE): Define.
15651 * print-tree.c (print_node): Handle OMP_CLAUSE.
15652 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15653 * c-typeck.c: Likewise.
15654 * gimplify.c: Likewise.
15655 * c-omp.c: Likewise.
15656 * tree-nested.c: Likewise.
15657 * tree-inline.c: Likewise.
15658 * c-parser.c: Likewise.
15659 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15662 2006-01-25 Roger Sayle <roger@eyesopen.com>
15664 PR rtl-optimization/25703
15665 * combine.c (try_combine): Handle zero_extract and strict_low_part
15666 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15668 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15670 * global.c: Fix comment typos.
15672 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15675 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15676 Use output_addr_const instead of assemble_name.
15678 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15680 * Makefile.in (sched-vis.o): Update dependencies.
15681 * haifa-sched.c (sched_finish): Clear current_sched_info.
15682 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15683 (dump_flow_info): Call it.
15684 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15686 * basic-block.h (dump_bb_info): Declare.
15687 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15688 option, and apply options only for dump files whose TDF_RTL,
15689 TDF_TREE, or TDF_IPA bits match.
15690 * rtl.h: Declare new functions exported from sched-vis.c.
15691 * sched-vis.c: Enable also if scheduling is not used.
15692 (print_value): Print the mode of registers if not inside scheduling.
15693 (print_insn): Make it work outside the scheduler. Beautify the output
15695 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15697 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15699 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15700 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15701 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15702 depending on the value of CONSTANT_POOL_ADDRESS_P.
15703 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15705 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15706 rather than SYMBOL_REF_DECL.
15707 (rtx_constant_pool): Remove const_rtx_sym_htab.
15708 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15709 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15710 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15711 Remove handling of const_rtx_sym_htab.
15712 (find_pool_constant): Delete.
15713 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15714 rather than find_pool_constant.
15715 (get_pool_constant_for_function): Delete.
15716 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15717 find_pool_constant.
15718 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15719 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15720 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15721 (SYMBOL_REF_CONSTANT): New macro.
15722 (get_pool_constant_for_function): Delete.
15723 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15724 rather than SYMBOL_REF_DECL.
15725 (i386_pe_mark_dllimport): Likewise.
15726 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15727 rather than SYMBOL_REF_DECL.
15728 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15729 (machopic_indirect_call_target): Likewise.
15731 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15733 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15735 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15737 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15739 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15741 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15743 2006-01-24 David Daney <ddaney@avtrex.com>
15746 * configure.ac (enable_tls): New enable option.
15747 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15748 * configure: Regenerate.
15749 * doc/install.texi (--enable-tls): Document new option.
15750 (--disable-tls): Ditto.
15752 2006-01-24 Richard Henderson <rth@redehat.com>
15754 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15755 * alias.c (true_dependence): Respect it.
15756 (canon_true_dependence, write_dependence_p): Likewise.
15757 * builtins.c (get_builtin_sync_mem): Set it.
15759 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15761 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15764 2006-01-24 DJ Delorie <dj@redhat.com>
15766 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15767 for storing constants in single-bit bitfields.
15769 2006-01-25 Ben Elliston <bje@au.ibm.com>
15771 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15773 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15776 * tree-ssa-pre.c (phi_translate): Return NULL
15777 for AGGREGATE_TYPE's.
15779 2006-01-24 Zack Weinberg <zackw@panix.com>
15781 * genautomata.c (process_state_for_insn_equiv_partition):
15782 Use xcalloc for insn_arcs_array.
15783 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15784 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15786 2006-01-24 Richard Henderson <rth@redhat.com>
15788 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15789 update all callers.
15791 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15793 PR rtl-optimization/25890
15794 PR rtl-optimization/25905
15795 * combine.c (expand_compound_operation, expand_field_assignment):
15796 Fail if the bitfield's final position is out of bounds.
15798 2006-01-24 Ian Lance Taylor <ian@airs.com>
15800 PR middle-end/25930
15801 * cgraphunit.c (cgraph_output_in_order): Don't clear
15802 cgraph_asm_nodes until after asm strings have been output.
15804 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15806 * fix-header.c (read_scan_file): Add new parameter imultilib when
15807 calling register_include_chains.
15809 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15811 * omp-low.c: Update documentation.
15813 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15814 Daniel Berlin <dberlin@dberlin.org>
15818 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15819 return from the function.
15821 2006-01-22 Zack Weinberg <zackw@panix.com>
15823 * rtl.def (match_code): Add second argument.
15824 * genpreds.c (write_extract_subexp): New function.
15825 (write_match_code): Add path argument. Use write_extract_subexp.
15826 (write_predicate_expr): Pass path to write_match_code.
15827 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15828 not perform a mode test.
15829 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15830 a subexpression does not constrain the top-level code set.
15831 * read-rtl.c (read_rtx_variadic): New function.
15832 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15833 * doc/md.texi: Document new notation.
15834 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15835 (cmpsi_operand): ... here, using new notation.
15837 2006-01-22 Zack Weinberg <zackw@panix.com>
15839 * varray.c: Remove GENERATOR_FILE #ifdefs.
15841 2006-01-22 Zack Weinberg <zackw@panix.com>
15843 * genautomata.c (output_reserved_units_table): Emit nothing if
15844 description->query_units_num is zero. Remove extra blank line.
15845 (output_cpu_unit_reservation_p): Short circuit
15846 if description->query_units_num is zero.
15848 2006-01-22 Zack Weinberg <zackw@panix.com>
15850 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15851 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15852 nor any of the random handful of variables that used to be necessary
15853 when this program was linked with rtlanal.o. Prune set of forward
15854 function declarations.
15855 (struct attr_desc): Remove static_p field.
15856 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15857 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15858 (attr_string): Do not read the character one past the length of
15860 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15861 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15862 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15863 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15864 (make_automaton_attrs): New.
15865 (main): Do not call into genautomata. Call local gen_bypass
15866 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15867 Remove special case for insn_alts.
15868 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15869 varray.h (leftover from previous change). Prune set of forward
15870 function declarations. Remove state_alts fields from all
15871 structures. Remove state_alts_table from struct automaton.
15872 Make everything except main static. Do not maintain num_dfa_decls.
15873 Do not maintain state_alts fields of various structures.
15874 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15875 (add_arc): Remove state_alts argument. All callers updated.
15876 (output_reserved_units_table): Emit #ifdef here...
15877 (output_tables): ...not here. Don't generate state_alts tables.
15878 (expand_automata): Don't generate attributes.
15879 (write_automata): Don't generate state_alts functions.
15880 (main): New function.
15881 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15882 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15883 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15884 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15885 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15886 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15887 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15888 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15890 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15891 * genattrtab.h: Delete file.
15892 * Makefile.in (OBJS-common): Add insn-automata.o.
15893 (insn-automata.o): New rule.
15894 (simple_generated_c): Add insn-automata.c.
15895 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15896 (genprogmd): Add automata.
15897 (build/genattrtab): Needs no extra objects nor libraries.
15898 (build/genautomata): Needs build/vec.o and -lm.
15900 2006-01-22 Zack Weinberg <zackw@panix.com>
15902 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15903 (output_dfa_max_issue_rate, locked_states_num): Delete.
15904 (struct automaton): Add locked_states field.
15905 (output_dead_lock_vect): Save number of locked states in
15906 automaton->locked_states. If it is zero, don't print anything.
15907 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15908 (output_internal_dead_lock_func): Only test the dead_lock_vect
15909 for automata that have locked states.
15910 (output_statistics): Always print the number of locked states for
15911 each automaton. Calculate total number of locked states here.
15912 (write_automata): Don't call output_dfa_max_issue_rate.
15913 * genattrtab.c: Define length_unit_log as a const variable.
15914 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15915 max_insn_queue_index const.
15916 * final.c (length_unit_log): Declare const.
15917 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15919 2006-01-22 Zack Weinberg <zackw@panix.com>
15921 * genautomata.c: Include vec.h, not varray.h.
15922 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15923 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15924 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15925 VEC_* macros operating on appropriately typed vectors, or to
15926 malloced arrays when the size is known in advance. Const-ify
15927 many char* variables and function arguments. No functional changes.
15928 * Makefile.in (build/varray.o): Delete rule.
15929 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15930 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15932 2006-01-22 Zack Weinberg <zackw@panix.com>
15934 * gensupport.c: Define get_insn_name and record_insn_name here.
15935 (read_md_rtx): Call record_insn_name as appropriate.
15936 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15937 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15938 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15940 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15941 (BUILD_VARRAY): Delete.
15942 (genprognormal): Rename genprogmd. Fold in all programs from
15943 genprognoprint; also attrtab.
15944 (build/genattrtab): Just mention genautomata.o and varray.o.
15945 Reorganize a bit, add comments to make the categories clearer.
15947 2006-01-22 Zack Weinberg <zackw@panix.com>
15949 * genconditions.c (condition_table, add_condition): Delete.
15950 (write_conditions): Don't emit n_insn_conditions nor
15951 insn_elision_unavailable. Issue the gcc version #ifdef here,
15952 inside the table, with no #else clause ...
15953 (write_header): ...not here.
15954 (write_writer): New function.
15955 (main): Don't initialize condition_table. Use add_c_test.
15957 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15958 files on the command line.
15959 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15960 Return -1 if there is no entry in the table, don't abort.
15961 (add_c_test, traverse_c_tests): New functions.
15962 * gensupport.h (insn_elision_unavailable, insn_conditions)
15963 (n_insn_conditions): Delete declarations.
15964 (add_c_test, traverse_c_tests): Declare.
15965 * read-rtl.c: Include gensupport.h.
15966 (read_conditions): New function.
15967 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15968 (read_rtx_1): If we get EOF when we were looking for an initial
15969 open paren, return 0. Call read_conditions when appropriate.
15970 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15971 dummy-conditions.o. Eliminate references to insn-conditions.o,
15972 or change them to build/gencondmd.o, as appropriate. Remove
15973 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15974 from $(simple_generated_c). For all files remaining in those
15975 two lists, add insn-conditions.md to the generator command line.
15976 Give insn-constants.h/s-constants their own rules. Add rules
15977 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15978 (build/read-rtl.o): Depend on gensupport.h.
15979 (genprognormal): Include preds.
15980 (genprogearly): Rename genprognoprint; only difference is now that
15981 they don't link with $(BUILD_PRINT).
15982 * dummy-conditions.c: Delete.
15984 2006-01-22 Zack Weinberg <zackw@panix.com>
15986 * genextract.c: Don't include insn-config.h. Do include vec.h.
15987 Declare vectors of int, char, and locstr.
15988 (locstr): New typedef.
15989 (struct extraction): Make all array fields into bare pointers.
15990 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15991 (insn_code_number): Delete.
15992 (accum_extract): New struct.
15993 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15994 (gen_insn): Take insn_code_number as an argument. Use an
15995 accum_extract structure instead of loading data directly into
15996 a struct extraction, and having to know how big it might get.
15997 (walk_rtx): Operate entirely on an accum_extract structure.
15998 (print_path): Avoid unnecessary use of printf.
15999 (print_header): New function, split out of main. Distinguish
16000 more carefully between an unrecognizable insn and an insn that
16001 has the code number of a define_expand.
16002 (main): Pass insn_code_number to gen_insn. Call print_header
16003 only after parsing. Avoid unnecessary use of printf.
16004 * Makefile.in (build/vec.o): New rule.
16005 (build/genextract): Depend on build/vec.o.
16006 (build/genextract.o): Don't depend on insn-config.h.
16008 2006-01-22 Zack Weinberg <zackw@panix.com>
16010 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16011 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16012 practical. Eliminate per-generator-program link rules.
16014 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16016 PR middle-end/24437
16017 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16018 with a call expr to ...
16019 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16021 2006-01-23 Richard Guenther <rguenther@suse.de>
16023 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16024 before make_edge with conditional EDGE_TRUE_VALUE.
16026 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16027 Jan Hubicka <jh@suse.cz>
16028 Richard Guenther <rguenther@suse.de>
16030 PR rtl-optimization/25654
16031 * cfgexpand.c (aggregate_contains_union_type): New function.
16032 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16033 for structure variables that contain a union type.
16035 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16037 * gengtype.c (new_structure): Return the structure.
16038 (create_option): Add an extra "next" argument.
16039 (create_field): New function.
16040 (adjust_field_rtx_def): Use create_option and create_field.
16041 Remove a now-unnecessary call to find_structure.
16042 (adjust_field_tree_def): Likewise.
16043 (note_yacc_type): Remove an unnecessary call to find_structure.
16044 * gengtype.h (new_structure): Return the structure.
16045 (create_option): Add an extra argument.
16046 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16047 (option): Adjust calls to create_option.
16049 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16051 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16053 2006-01-22 Paul Brook <paul@codesourcery.com>
16054 Peter Barada <peter@the-baradas.com>
16056 * config/m68k/m68k.md: Add Coldfire FPU support.
16057 Define FP mode macro and associated attributes.
16058 Use it for float mode patterns.
16059 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16060 (LIBCALL_VALUE): Use m68k_libcall_value.
16061 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16062 (m68k_function_value): Ditto.
16063 (emit_move_sequence): Ditto.
16064 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16065 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16066 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16067 (MULTILIB_EXCEPTIONS): Ditto.
16068 * config/m68k/m68k.opt: Add mcfv4e.
16069 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16070 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16071 (m68k_output_function_prologue): Save ColdFire FPU registers.
16072 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16073 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16074 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16075 ColdFire FPU registers.
16076 (m68k_libcall_value, m68k_function_value): New functions.
16077 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16078 (LIBCALL_VALUE): Use m68k_libcall_value.
16079 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16080 (MASK_COLDFIRE): Add MASK_CFV4E.
16081 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16082 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16083 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16084 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16085 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16086 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16087 * doc/invoke.tex: Document -mcfv4e on m68k.
16089 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16091 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16094 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16097 * c-opts.c (c_common_handle_option): Don't include
16098 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16099 * doc/invoke.texi (C++ Dialect Options): Document that
16100 -Wnon-virtual-dtor is no longer included in -Wall.
16102 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16104 * gcov.c (print_version), gcov-dump.c (print_version),
16105 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16108 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16110 * df-scan.c (problem_SCAN): Added NULL reset function.
16111 (df_scan_reset_blocks): Added code to call reset block function
16112 (df_bb_refs_delete) Fixed comment.
16113 (df_insn_refs_delete): Made tolerant of deleting non existent info
16114 for dataflow problems that need to be reset.
16115 * df-core.c (df_set_blocks): Ditto.
16116 * df.h (struct df_problem): Added reset_fun.
16117 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16118 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16119 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16120 functions to clear out all references to def-use or use-def chains.
16122 2006-01-21 Ben Elliston <bje@au.ibm.com>
16124 * varasm.c (assemble_real): Initialise data array.
16126 2006-01-20 Paul Brook <paul@codesourcery.com>
16128 Merge from csl-arm-branch.
16129 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16130 * config/arm/arm.md (movdi): Force operands[1] to a register
16131 if we have a non-register source.
16132 (*arm_movdi, *movdf_soft_insn): Require that one of the
16133 operands be a register.
16134 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16135 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16137 2006-01-20 DJ Delorie <dj@redhat.com>
16139 * varasm.c (initializer_constant_valid_p): Allow pointers
16140 initialized from integer constants of lesser precision.
16141 (output_constant): Allow non-int-sized pointer modes to be
16142 initialized from integer constants.
16144 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16147 * cppdefault.h (struct default_include): Add multilib flag.
16148 * cppdefault.c (cpp_include_defaults): Set it.
16149 * c.opt (-imultilib): New option.
16150 * c-opts.c (imultilib): New.
16151 (c_common_handle_option): Handle -imultilib.
16152 (c_common_post_options): Likewise.
16153 * c-incpath.c (add_standard_paths, register_include_chains):
16155 * c-incpath.h (register_include_chains): Add extra parameter.
16156 * gcc.c (do_spec_1): Generate -imultilib option.
16157 (The Specs Language): Update %I description.
16158 (process_command): Update copyright notice.
16159 * doc/cppopts.texi (-imultilib): Document.
16160 * doc/invoke.texi (-imultilib): Include in option summary.
16161 (%I): Update specs documentation.
16163 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16165 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16167 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16169 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16172 2006-01-20 Richard Guenther <rguenther@suse.de>
16173 Steven Bosscher <stevenb.gcc@gmail.com>
16175 PR rtl-optimization/24626
16176 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16177 EDGE_TRUE_VALUE if in RTL mode.
16180 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16181 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16183 2006-01-20 Dirk Mueller <dmueller@suse.com>
16186 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16187 instead of a special NOP marker.
16188 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16189 NOP marker handling.
16190 * c-common.h (empty_body_warning): Add forward declaration.
16191 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16192 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16194 2006-01-20 Paul Brook <paul@codesourcery.com>
16196 * Makefile.in (lang_checks): Keep going if mkdir fails.
16198 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16200 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16201 be able to clean out basic block when not necessary.
16202 (df_scan_free): Fixed to properly delete information if df is
16203 unused before calling df_finish.
16204 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16205 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16207 (df_bb_refs_delete): New function.
16208 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16209 * df-core.c (df_set_blocks): Added code to properly clean out
16210 unused blocks if they are not part of the blocks to consider.
16211 Added additional null check.
16212 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16213 be able to clean out basic block when not necessary
16214 * df.h (df_free_bb_function): Ditto.
16215 (df_bb_refs_delete): New function.
16216 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16217 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16218 basic block parameter to be able to clean out basic block when not
16220 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16221 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16222 Fixed to properly delete information if df is unused before
16225 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16227 PR rtl-optimization/25799
16228 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16229 Corrected confluence operator to remove bits from op2 before oring
16230 with op1 rather than removing bits from op1.
16231 (df_ru_transfer_function): Corrected test on wrong bitmap which
16232 caused infinite loop. Both of these problems were introduced in
16233 the dataflow rewrite.
16235 2006-01-19 DJ Delorie <dj@redhat.com>
16237 * reload1.c (find_reload_regs): Note the details of reload
16238 failures in the dump file.
16239 (spill_failure): Likewise.
16241 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16243 * loop-iv.c: Include df.h and hashtab.h.
16244 (enum iv_grd_result): New enum.
16245 (DF_REF_IV, DF_REF_IV_SET): New macros.
16246 (struct biv_entry): New.
16247 (df, bivs): New global variables.
16248 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16249 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16251 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16252 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16253 analyzed_for_bivness_p, record_biv): New functions.
16254 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16255 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16256 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16258 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16260 (iv_number_of_iterations): Use new interface to iv analysis.
16261 * loop-unroll.c: Do not include varray.h.
16262 (analyze_iv_to_split_insn): Use new interface to iv
16264 * loop-unswitch.c (may_unswitch_on): Ditto.
16265 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16267 (df_bb_modify): Realloc tables to the new index.
16268 (df_find_use): New function.
16269 * df.h (df_find_use): Declare.
16270 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16272 * cfgloop.h (struct rtx_iv): Remove analysed field.
16273 (iv_get_reaching_def): Removed.
16274 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16275 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16276 (loop-iv.o): Add df.h and hashtab.h dependency.
16277 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16279 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16282 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16284 (__floatundisf, __floatundidf): Likewise.
16285 * libgcc2.h (IS_IBM_EXTENDED): Define.
16287 2006-01-19 DJ Delorie <dj@redhat.com>
16289 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16291 2006-01-19 Paul Brook <paul@codesourcery.com>
16293 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16294 as nothrow when unwinding tables are disabled.
16296 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16299 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16300 of bit-field" when in system header.
16302 2006-01-19 DJ Delorie <dj@redhat.com>
16304 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16305 the 16 bit shift limit of the m16c.
16307 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16310 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16311 * config/i386/i386.c (output_set_got): Output the label if we have one
16312 for the TARGET_DEEP_BRANCH_PREDICTION case.
16314 2006-01-19 Jan Hubicka <jh@suse.cz>
16315 H.J. Lu <hongjiu.lu@intel.com>
16316 Evandro Menezes <evandro.menezes@amd.com>
16318 * invoke.texi (generic): Document
16320 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16321 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16322 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16323 (x86_use_incdec, x86_pad_returns): New variables
16324 (TARGET_CPU_DEFAULT_generic): New constant
16325 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16326 (enum processor_type): Add generic32 and generic64.
16327 * i386.md (cpu attribute): Add generic32/generic64
16328 (movhi splitter): Behave sanely when both partial_reg_dependency and
16329 partial_reg_stall are set.
16330 (K8 splitters): Enable for generic as well.
16331 * predicates.md (incdec_operand): Use TARGET_INCDEC
16332 (aligned_operand): Avoid memory mismatch stalls.
16333 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16334 * ppro.md: Enable for generic32
16335 * i386.c (generic64_cost, generic32_cost): New.
16336 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16337 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16338 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16339 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16340 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16341 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16342 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16343 x86_accumulate_outgoing_args, x86_prologue_using_move,
16344 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16345 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16346 Enable for generic.
16347 (x86_use_incdec, x86_pad_returns): New.
16348 (override_options): Add generic32 and generic64, translate "generic"
16349 to generic32/generic64 and "i686" to "generic32", refuse
16350 "generic32"/"generic64" as arch target.
16351 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16352 (ix86_reorg): Honor PAD_RETURNS.
16354 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16356 * tree-pretty-print.c (dump_generic_node): Handle
16357 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16358 * cgraph.c (cgraph_expand_queue): Rename from
16359 cgraph_analyze_queue. Update all users.
16360 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16361 cgraph_expand_queue.
16362 (cgraph_expand_all_functions): Likewise.
16363 (cgraph_finalize_pending_functions): Remove. Update callers.
16365 * tree.h (OMP_DIRECTIVE_P): Define.
16366 (OMP_PARALLEL_FN): Define.
16367 (OMP_PARALLEL_DATA_ARG): Define.
16368 (OMP_SECTIONS_SECTIONS): Define.
16369 * tree-pass.h (pass_expand_omp): Declare.
16370 * omp-low.c (struct omp_region): Declare.
16371 (struct omp_context): Remove fields 'parallel_type',
16372 'parallel_start_ix' and 'parallel_start_additional_args'.
16374 (struct omp_for_data): Rename from struct expand_omp_for_data.
16375 (omp_regions): New static variable.
16376 (root_omp_region): New static variable.
16377 (find_omp_clause): Make static.
16378 (is_in_combined_parallel_ctx): Remove.
16379 (is_combined_parallel): New.
16380 (extract_omp_for_data): Move earlier in the file.
16381 (workshare_safe_to_combine_p): New.
16382 (get_ws_args_for): New.
16383 (determine_parallel_type): Move earlier in the file.
16384 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16386 (omp_copy_decl): Likewise.
16387 (create_omp_child_function): Likewise.
16388 (lookup_omp_region): New.
16389 (dump_omp_region): New.
16390 (debug_omp_region): New.
16391 (debug_all_omp_regions): New.
16392 (new_omp_region): New.
16393 (scan_omp_parallel): If parallel_nesting_level > 1, the
16394 directive is nested within another parallel directive.
16395 Set OMP_PARALLEL_FN.
16396 (scan_omp_for): Do not try to handle combined parallel+for
16398 Remove FIXME comment.
16399 (scan_omp_nested): Remove.
16400 (scan_omp_1): Do not call scan_omp_nested when
16401 parallel_nesting_level is > 1.
16402 Do not change the DECL_CONTEXT of local variables found.
16403 (lookup_decl_in_outer_ctx): New.
16404 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16405 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16406 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16407 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16408 If CTX is nested, lookup VAR in the outer context when
16409 building copy assignment.
16410 (lower_send_clauses): Rename from expand_send_clauses.
16411 If CTX is nested, lookup VAR in the outer context when
16412 building copy assignments.
16413 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16414 If CTX is nested, lookup VAR in the outer context when
16415 building copy assignments.
16416 (expand_parallel_call): Rename from build_parallel_call.
16417 Handle combined parallel+workshare cases.
16418 Re-implement to emit code into the CFG.
16420 (expand_omp_parallel): Re-implement to emit code into the CFG.
16421 Call move_sese_region_to_fn to outline the sub-graph
16422 containing the parallel region.
16423 (expand_omp_for_1): Remove.
16424 (expand_omp_for_generic): Re-implement to emit code into the
16426 (expand_omp_for_static_nochunk): Likewise.
16427 (expand_omp_for_static_chunk): Likewise.
16428 (expand_omp_for): Likewise.
16429 (expand_omp_sections): Likewise.
16430 (remove_exit_barriers): New.
16431 (expand_omp_synch): New.
16433 (build_omp_regions_1): New.
16434 (build_omp_regions): New.
16435 (execute_expand_omp): New.
16436 (gate_expand_omp): New.
16437 (pass_expand_omp): Define.
16438 (lower_omp_sections): Rename from expand_omp_sections.
16439 Set OMP_SECTIONS_SECTIONS.
16440 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16441 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16442 (lower_omp_single): Rename from expand_omp_simple.
16443 (lower_omp_master): Rename from expand_omp_master.
16444 (lower_omp_ordered): Rename from expand_omp_ordered.
16445 (lower_omp_critical): Rename from expand_omp_critical.
16446 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16447 (lower_omp_for): Re-implement.
16448 (lower_omp_parallel): Re-implement.
16449 (lower_regimplify): Rename from expand_regimplify.
16450 (lower_omp_1): Rename from expand_omp_1.
16451 If there are syntax errors in the program, replace every
16452 OpenMP directive with NOP.
16453 Call lower_omp_* instead of expand_omp_*.
16454 (lower_omp): Rename from expand_omp.
16456 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16457 * tree-gimple.h (enum omp_parallel_type): Remove.
16458 (gimple_boolify): Declare extern.
16459 (find_omp_clause, determine_parallel_type): Remove.
16461 * gimple-low.c (lower_omp_directive): New.
16462 (lower_stmt): Call it.
16463 (record_vars_into): Move from ...
16464 (record_vars): ... here.
16465 Call record_vars_into with current_function_decl.
16467 * gimplify.c (struct gimplify_ctx): Remove fields
16468 combined_pre_p and combined_ctxp. Update users.
16469 (get_formal_tmp_var): Add documentation.
16470 (gimple_boolify): Make extern.
16471 (gimplify_expr_in_ctx): Remove. Update callers.
16472 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16473 will always be a BIND_EXPR.
16474 (gimplify_expr): Handle OMP_RETURN_EXPR.
16475 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16476 (OMP_PARALLEL): Add 3 operands.
16477 (OMP_SECTIONS): Add 1 operand.
16478 (OMP_RETURN_EXPR): Define.
16480 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16481 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16482 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16483 creating a circular free list.
16484 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16486 * tree-flow.h (move_sese_region_to_fn): Declare.
16487 (record_vars_into): Declare.
16488 * tree-cfg.c (make_omp_sections_edges): New.
16489 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16490 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16491 OMP_SECTIONS and OMP_SECTION.
16492 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16493 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16494 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16495 (gather_blocks_in_sese_region): New.
16496 (struct move_stmt_d): Declare.
16497 (move_stmt_r): New.
16498 (move_block_to_fn): New.
16499 (move_sese_region_to_fn): New.
16501 * passes.c (init_optimization_passes): Schedule
16502 pass_expand_omp after pass_init_datastructures.
16504 * tree-ssa-operands.c (get_expr_operands): Handle
16505 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16506 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16508 2006-01-19 Jeff Law <law@redhat.com>
16510 * tree-vrp.c (extract_range_from_assert): Refine the result range
16511 if the variable referenced by the ASSERT_EXPR has a range and
16512 either the tentative result range or the previous range is a
16515 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16517 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16519 2006-01-19 Jan Hubicka <jh@suse.cz>
16521 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16523 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16525 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16526 (expand_compound_operation, expand_field_assignment): Fail if the
16527 bit lengths of an extract operation are out of range.
16528 (make_extraction): Compute wanted_inner_mode based on the position
16529 and length of the extraction. Make it extraction_mode for non-constant
16530 positions, and do not modify offset in that case. When generating a
16531 new MEM, use a mode that can hold the extraction while keeping correct
16532 alignment. Remove code that supported MEMs wrapped by USEs.
16533 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16535 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16537 * config/s390/s390.md ("Y", "y"): New mode attribute.
16538 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16539 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16540 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16541 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16542 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16543 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16544 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16545 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16546 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16547 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16548 "addsi3", "subsi3"): Insn patterns removed.
16549 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16550 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16551 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16552 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16553 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16554 "*sub<mode>3_cconly2"): New insn patterns.
16555 ("addsi3", "subsi3"): New expanders.
16557 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16559 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16560 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16561 existing STMT_VINFO_VECTYPE if available.
16562 (vect_mark_relevant): Add special handling for stmts that are
16563 marked as STMT_VINFO_IN_PATTERN_P.
16564 (vect_analyze_loop): Call vect_pattern_recog.
16565 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16566 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16568 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16569 (vect_recog_func_ptr): New function-pointer type.
16570 * tree-vect-patterns.c: New file.
16571 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16572 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16573 (vect_pattern_recog_1): New functions.
16574 (vect_pattern_recog_funcs): New array of function pointers.
16576 * tree-vectorizer.h (ternary_op): New enum value.
16577 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16578 declaration. Revised documentation. Removed redundant dump prints.
16579 Removed redundant argument. Added support for reduction patterns.
16580 (vectorizable_reduction): Added support for reduction patterns.
16581 (vect_transform_stmt): Added support for patterns.
16583 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16584 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16585 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16586 (expand_widen_pattern_expr): New function.
16587 (init_optabs): Initialize new optabs udot_prod_optab,
16589 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16590 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16591 (expand_widen_pattern_expr): New function declaration.
16592 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16594 * tree-inline.c (estimate_num_insns_1): Added cases for new
16595 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16596 * tree-pretty-print.c (dump_generic_node): Likewise.
16597 (op_prio): Likewise.
16598 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16599 * tree-ssa-operands.c (get_expr_operands): Added case for
16601 * tree-vect-patterns.c (widened_name_p): New function.
16602 (vect_recog_dot_prod_pattern): Added function implementation.
16603 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16604 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16605 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16606 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16608 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16609 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16610 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16611 (init_optabs): Initialize new optabs widen_ssum_optab,
16613 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16614 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16615 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16616 use instead of type of def.
16617 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16618 function implementation.
16619 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16620 widen_ssumv8hi): New.
16622 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16625 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16628 * c-decl.c (add_flexible_array_elts_to_size): New function.
16629 (finish_decl): Use it.
16631 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16633 * diagnostic.h: Include options.h.
16634 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16635 dependancies for diagnostic.h.
16636 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16638 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16640 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16641 (ssa_ro_call_cache_valid): Ditto.
16642 * tree-ssa-alias.c (sort_tags_by_id): New function.
16643 (init_transitive_clobber_worklist): Ditto.
16644 (add_to_worklist): Ditto.
16645 (mark_aliases_call_clobbered): Ditto.
16646 (compute_tag_properties): Ditto.
16647 (set_initial_properties): Ditto.
16648 (compute_call_clobbered): Ditto.
16649 (compute_may_aliases): Call compute_call_clobbered and grouping.
16650 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16651 (compute_flow_insensitive_aliasing): Grouping now happens in our
16653 (setup_pointers_and_addressables): Remove clobbering related code.
16654 (add_may_alias): Ditto.
16655 (replace_may_alias): Ditto.
16656 (get_nmt_for): Ditto.
16657 (create_global_var):
16658 (is_escape_site): Return an escape_type enumeration.
16659 * tree-flow-inline.h (is_call_clobbered): Global var does not
16660 imply call clobbered.
16661 (mark_call_clobbered): Take a reason for marking this. Remove
16662 marking of globalness, and cache invalidation.
16663 (clear_call_clobbered): Remove cache invalidation code.
16664 * tree-dfa.c (dump_variable): If details is on, dump the reason
16666 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16668 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16669 (struct var_ann_d): Ditto.
16670 (enum escape_type): New.
16671 (mark_call_clobbered): Adjust prototype.
16672 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16673 are never call clobbered.
16674 Record reasons for escaping.
16675 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16676 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16677 (ssa_ro_call_cache_valid): Ditto.
16678 (clobbered_v_may_defs): Ditto.
16679 (clobbered_vuses): Ditto.
16680 (ro_call_vuses): Ditto.
16681 (clobber_stats): New.
16682 (init_ssa_operands): Zero out clobber stats.
16683 (fini_ssa_operands): Print out clobber stats.
16684 (get_call_expr_operands): Pass callee fndecl to
16685 add_call_read_ops).
16686 (add_call_clobber_ops): Remove use of cache.
16687 Add use of PURE_CONST information.
16688 (add_call_read_ops): Remove use of cache.
16689 Add use of static not_read information.
16691 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16693 Introduce TLS descriptors for i386 and x86_64.
16694 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16695 (TARGET_ANY_GNU_TLS): New macro.
16696 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16697 (struct machine_function): Add tls_descriptor_call_expanded_p.
16698 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16699 (ix86_current_function_calls_tls_descriptor): Likewise.
16700 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16701 (override_options): Introduce gnu2 tls dialect.
16702 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16704 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16706 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16707 (ix86_init_machine_status): Initialize new field.
16708 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16709 (ix86_tls_module_base): New.
16710 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16711 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16712 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16713 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16714 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16715 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16716 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16717 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16718 * config/i386/predicates.md (tls_modbase_operand): New.
16719 (tp_or_register_operand): New.
16721 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16723 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16724 (look_for_address_of): Ditto.
16725 (ipa_init): Walk the function decls.
16726 (static_execute): Don't set readonly on FUNCTION_DECL's.
16728 2006-01-18 Roger Sayle <roger@eyesopen.com>
16730 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16731 for shifts where the source and destination registers are different.
16733 2006-01-18 Paul Brook <paul@codesourcery.com>
16735 Merge from csl-arm-branch.
16736 2005-03-14 Julian Brown <julian@codesourcery.com>
16737 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16738 (aeabi_llsl): Likewise.
16739 (ashrdi3): Likewise.
16740 (aeabi_lasr): Likewise.
16741 (lshrdi3): Likewise.
16742 (aeabi_llsr): Likewise.
16743 2005-03-10 Julian Brown <julian@codesourcery.com>
16744 * config.gcc: Disable shared libgcc for SymbianOS.
16745 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16747 2006-01-18 DJ Delorie <dj@redhat.com>
16749 * c-pragma.c (handle_pragma_diagnostic): New.
16750 (init_pragma): Register it.
16751 * doc/extend.texi: Document it.
16753 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16754 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16755 (diagnostic_context): Add classify_diagnostic[].
16756 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16757 as errors if they're overridden to DK_WARNING.
16758 (diagnostic_initialize): Initialize classify_diagnostic[].
16759 (diagnostic_set_kind_override): New.
16760 (diagnostic_report_diagnostic): Check for kind changes.
16761 * opts.c (common_handle_option): Take lang_mask. Update callers.
16762 Handle OPT_Werror_.
16763 * common.opt (Werror=): New.
16764 * doc/invoke.texi: Document -Werror=*
16766 2006-01-18 Jeff Law <law@redhat.com>
16768 * tree-vrp.c (test_for_singularity): Correct test for new
16769 min limit. Use operand_equal_p rather than pointer equality
16770 for testing if new min/max values are equal.
16772 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16773 using range information until after propagation and folding.
16775 2006-01-18 Richard Henderson <rth@redhat.com>
16776 Aldy Hernandez <aldyh@redhat.com>
16777 Jakub Jelinek <jakub@redhat.com>
16778 Diego Novillo <dnovillo@redhat.com>
16780 * omp-low.c: New file.
16781 * c-omp.c: New file.
16783 2006-01-18 Richard Henderson <rth@redhat.com>
16784 Jakub Jelinek <jakub@redhat.com>
16785 Diego Novillo <dnovillo@redhat.com>
16787 * doc/invoke.texi: Document -fopenmp.
16788 * tree-dump.h (debug_function): Declare.
16789 * hooks.c (hook_bool_tree_bool_false): New function.
16790 (hook_tree_tree_null): Remove.
16791 (hook_tree_tree_tree_null): New.
16792 * hooks.h: Update to match.
16793 * tree-pretty-print.c (debug_tree_chain): New.
16794 (print_generic_expr): Handle TDF_CHAIN.
16795 (dump_generic_node): Handle BLOCK.
16796 Do not abort with incomplete SWITCH_EXPRs.
16797 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16798 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16799 print space after directive name.
16800 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16801 Handle OMP_MASTER and OMP_ORDERED.
16802 Handle printing of OMP_BODY just in one place, goto
16803 dump_omp_body in the rest of OMP_* nodes that have
16805 Don't handle clause nodes here. Update omp statements to
16806 use dump_omp_clauses.
16807 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16808 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16809 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16810 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16811 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16812 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16813 Adjust output for GOMP_PARALLEL.
16814 (dump_omp_clauses): New.
16815 (print_declaration): Dump DECL_VALUE_EXPR.
16816 (op_symbol_1): Split out of op_symbol.
16817 (dumping_stmts): Remove. Update all users.
16818 * cgraph.c (cgraph_analyze_queue): New.
16819 (cgraph_add_new_function): New.
16820 * cgraph.h (cgraph_analyze_queue): Declare.
16821 (cgraph_add_new_function): Declare.
16822 (cgraph_lower_function): Remove.
16823 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16824 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16825 and TYPE_P nodes in its default clause.
16826 (empty_body_p): New.
16827 (tree_range_check_failed): New.
16828 (build5_stat): New.
16829 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16830 OMP_CLAUSE_REDUCTION_MERGE,
16831 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16832 OMP_CLAUSE_PRIVATE_DEBUG,
16833 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16834 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16835 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16836 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16837 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16838 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16839 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16840 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16841 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16842 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16843 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16844 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16845 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16846 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16847 (TREE_RANGE_CHECK): New.
16848 (empty_body_p): Declare.
16849 (enum omp_clause_default_kind): New.
16850 (build_string_literal): Declare.
16851 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16852 (build5_stat, build5): Declare.
16853 * tree-pass.h (TDF_CHAIN): Define.
16854 * tree-pass.h (PROP_gimple_lomp): Define.
16855 (pass_lower_omp): Declare.
16856 * diagnostic.h (debug_tree_chain): Declare.
16857 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16859 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16860 * builtins.c (build_string_literal): Make extern.
16861 * gcc.c (include_spec_function): New.
16862 (static_spec_functions): Add it.
16863 (main): Move load of libgomp.spec ...
16864 (LINK_COMMAND_SPEC): ... here.
16865 (link_gomp_spec): New.
16866 (static_specs): Include it.
16867 (LINK_COMMAND_SPEC): Add link_gomp.
16868 (GOMP_SELF_SPECS): New.
16869 (driver_self_specs): Include it.
16870 (switch_matches): Don't mark inline.
16871 (main): Load libgomp.spec.
16872 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16873 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16874 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16875 * tree-gimple.h (enum omp_parallel): Declare.
16876 (determine_parallel_type): Declare.
16877 (omp_firstprivatize_variable): Declare.
16878 (omp_reduction_init): Declare.
16879 (diagnose_omp_structured_block_errors): Declare.
16880 (struct walk_stmt_info): Add want_return_expr.
16881 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16882 (find_omp_clause): Declare.
16883 (insert_field_into_struct): Declare.
16884 (struct walk_stmt_info): Move from tree-nested.c
16885 (walk_stmts): Declare.
16886 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16888 * cgraphunit.c (cgraph_lower_function): Make static.
16889 (cgraph_finalize_pending_functions): New.
16890 (cgraph_finalize_function): Call it.
16891 (cgraph_finalize_compilation_unit): Likewise.
16892 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16893 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16894 (BT_FN_UINT_UINT): New.
16895 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16896 DEF_FUNCTION_TYPE_VAR_4): Document.
16897 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16898 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16899 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16900 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16901 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16902 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16903 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16904 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16905 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16906 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16907 into separate files.
16908 (DEF_GOMP_BUILTIN): New.
16909 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16910 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16911 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16912 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16913 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16914 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16915 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16916 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16917 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16918 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16919 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16920 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16921 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16922 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16923 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16924 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16925 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16926 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16927 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16928 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16929 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16930 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16931 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16932 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16933 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16934 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16935 * sync-builtins.def: New file, moved from builtins.def.
16936 * omp-builtins.def: New file, moved from builtins.def.
16937 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16938 * gimple-low.c (lower_function_body): Clear data.
16939 (lower_stmt): Do not handle COMPOUND_EXPR.
16940 Remove call to print_node_brief.
16941 * c-tree.h (c_finish_omp_clauses): New prototype.
16942 (C_DECL_THREADPRIVATE_P): Define.
16943 (lookup_name_no_remap, c_omp_remap_private): Remove
16944 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16945 (check_for_loop_decls): Update decl.
16946 (lookup_name_no_remap, c_omp_remap_private): Declare.
16947 (build_indirect_ref, build_modify_expr, pushdecl,
16948 pushdecl_top_level): Move to c-common.h.
16949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16950 before the switch, but just in the 2 places that need it.
16951 * c-decl.c (diagnose_mismatched_decls): Do not check for
16952 mismatched thread-local attributes when OLDDECL is marked
16953 threadprivate and NEWDECL has no thread-local attributes.
16954 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16955 (c_gimple_diagnostics_recursively): Rename from
16956 c_warn_unused_result_recursively. Invoke
16957 diagnose_omp_structured_block_errors.
16958 (check_for_loop_decls): Return a singular decl found.
16959 * langhooks.c (lhd_omp_predetermined_sharing): Return
16960 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16961 (lhd_omp_firstprivatize_type_sizes): New.
16962 (lhd_omp_assignment): New.
16963 (lhd_omp_predetermined_sharing): New.
16964 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16965 (struct lang_hooks_for_types): Add
16966 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16967 omp_predetermined_sharing, omp_disregard_value_expr,
16968 omp_private_debug_clause, omp_clause_default_ctor,
16969 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16970 (c_finish_omp_clauses): New.
16971 (c_finish_bc_stmt): Diagnose break within omp for.
16972 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16973 (build_unary_op): Return error_mark after reporting
16975 (build_modify_expr): Likewise.
16976 * gimplify.c: Include optabs.h and pointer-set.h.
16977 (enum gimplify_omp_var_data): Declare.
16978 (struct gimplify_omp_ctx): Declare.
16979 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16981 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16982 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16983 (splay_tree_compare_decl_uid): New.
16984 (new_omp_context): New.
16985 (delete_omp_context): New.
16986 (gimple_add_tmp_var): Call omp_add_variable.
16987 (gimplify_bind_expr): Likewise.
16988 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16989 true, disregard DECL_VALUE_EXPR on the decl if any.
16990 (gimplify_expr_in_ctx): New.
16991 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16992 omp_add_variable, omp_notice_variable, omp_is_private
16993 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16994 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16995 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16996 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16997 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16998 gimplify_omp_atomic): New.
16999 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17000 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17001 OMP_CRITICAL and OMP_ATOMIC.
17002 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17003 * c-pragma.h (enum pragma_kind): Add
17004 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17005 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17006 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17007 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17008 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17009 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17010 PRAGMA_OMP_THREADPRIVATE.
17011 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17012 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17013 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17014 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17015 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17016 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17017 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17018 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17019 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17020 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17021 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17022 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17023 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17025 (struct nesting_info): Add field_map,
17026 suppress_expansion, debug_var_chain.
17027 (create_nesting_tree): Initialize them.
17028 (lookup_field_for_decl): Use field_map.
17029 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17030 (convert_local_omp_clauses): New.
17031 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17032 (walk_body): Split out of walk_function.
17033 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17034 (convert_nonlocal_reference): Handle omp statements.
17035 (convert_local_reference): Likewise.
17036 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17037 (unnest_nesting_tree): New.
17038 (lower_nested_functions): Call it.
17039 (insert_field_into_struct): Make extern.
17040 (struct walk_stmt_info): Move to tree-gimple.h.
17041 (walk_stmts): Make extern.
17042 * omp-builtins.def: New file.
17043 * tree-iterator.c (expr_only): Clarify comment.
17044 * c-common.h (pushdecl_top_level, pushdecl,
17045 build_modify_expr, build_indirect_ref,
17046 c_finish_omp_master, c_finish_omp_critical,
17047 c_finish_omp_ordered, c_finish_omp_barrier,
17048 c_finish_omp_atomic, c_finish_omp_flush,
17049 c_finish_omp_for, c_split_parallel_clauses,
17050 omp_clause_default_kind, c_omp_sharing_predetermined,
17051 c_omp_remap_decl): Declare.
17052 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17053 (OBJS-common): Add omp-low.o.
17054 (c-omp.o, omp-low.o): Add.
17055 (gimplify.o): Add dependency on $(OPTABS_H).
17056 (GTFILES): Add omp-low.c.
17057 (gt-stringpool.h): Add.
17058 * tree-cfg.c (set_bb_for_stmt): Do not update the
17059 block-to-labels map if we are currently expanding to RTL.
17060 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17062 Handle IDENTIFIER_NODE.
17063 (tree_verify_flow_info): Do not ICE when emitting error
17064 messages about invalid labels.
17065 (dump_function_to_file): Reset CFUN before emitting the body
17067 (debug_function): New.
17068 * passes.c (init_optimization_passes): Schedule
17070 * langhooks-def.h (lhd_omp_predetermined_sharing,
17071 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17073 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17074 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17075 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17076 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17077 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17078 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17079 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17080 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17081 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17082 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17083 (LANG_HOOK_DECLS): Use them.
17085 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17086 Richard Henderson <rth@redhat.com>
17087 Jakub Jelinek <jakub@redhat.com>
17088 Diego Novillo <dnovillo@redhat.com>
17090 * c-parser.c (pragma_omp_clause): Define.
17091 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17092 (c_parser_compound_statement): Likewise.
17093 (c_parser_statement): Likewise.
17094 (c_parser_pragma): Handle omp pragmas.
17095 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17096 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17097 (c_parser_omp_clause_name, check_no_duplicate_clause,
17098 c_parser_omp_variable_list,
17099 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17100 c_parser_omp_clause_copyprivate,
17101 c_parser_omp_clause_default,
17102 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17103 c_parser_omp_clause_lastprivate,
17104 c_parser_omp_clause_nowait,
17105 c_parser_omp_clause_num_threads,
17106 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17107 c_parser_omp_clause_reduction,
17108 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17109 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17110 c_parser_omp_atomic, c_parser_omp_barrier,
17111 c_parser_omp_critical, c_parser_omp_flush,
17112 c_parser_omp_for_loop, c_parser_omp_for,
17113 c_parser_omp_master, c_parser_omp_ordered,
17114 c_parser_omp_sections_scope, c_parser_omp_sections,
17115 c_parser_omp_parallel, c_parser_omp_single,
17116 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17117 * c-pragma.c (init_pragma): Do omp pragma registration here.
17118 * c.opt (fopenmp): New flag.
17120 2006-01-18 Eric Christopher <echristo@apple.com>
17122 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17123 * config/darwin.h (GOMP_SELF_SPECS): Define.
17125 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17127 * rtl.h: Remove the prototype for reg_alloc.
17129 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17132 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17133 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17134 sjlj and dwarf2 exception handling.
17135 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17136 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17137 * pa/pa.c (function_value): Treat complex and vector types as
17139 (function_arg): Likewise. Only pass scalar floats in the floating
17140 point argument registers.
17141 * pa/t-slibgcc-dwarf-ver: New file.
17142 * pa/t-slibgcc-sjlj-ver: New file.
17143 * pa/t-slibgcc-elf-ver: Delete file.
17145 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17147 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17148 unlikely_test_section_p test.
17150 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17152 * mode-switching.c (optimize_mode_switching): Make it static.
17153 * basic-block.h: Remove the prototype for
17154 optimize_mode_switching.
17156 * modulo-sched.c (sms_schedule): Make it static.
17157 * rtl.h: Remove the prototype for sms_schedule.
17159 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17160 * rtl.h: Remove the prototype for gcse_after_reload_main.
17162 * reg-stack.c (reg_to_stack): Make it static.
17163 * rtl.h: Remove the prototype for reg_to_stack.
17165 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17167 * rtl.h: Remove the prototypes for regrename_optimize and
17168 copyprop_hardreg_forward.
17170 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17172 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17173 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17174 Test against the appropriate null constant for the mode.
17175 If 'fixup_overlap' is true, swap the operands if they overlap.
17176 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17177 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17178 alpha_split_tmode_pair and adjust for above change.
17179 * config/alpha/alpha.md (movtf_internal): Adjust call to
17180 alpha_split_tfmode_pair and rely on it to swap the operands.
17181 (movti_internal): New insn and post-reload splitter.
17182 (movti): New expander.
17184 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17186 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17191 * rtlanal.c (global_reg_mentioned_p_1,
17192 global_reg_mentioned_p): Remove.
17193 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17195 * flow.c (initialize_uninitialized_subregs): Make it static.
17196 * rtl.h: Remove the prototype for
17197 initialize_uninitialized_subregs.
17199 * function.c (instantiate_virtual_regs): Make it static.
17200 * function.h: Remove the prototype for
17201 instantiate_virtual_regs.
17203 * regmove.c (regmove_optimize, combine_stack_adjustments):
17205 * rtl.h: Remove the prototypes for regmove_optimize and
17206 combine_stack_adjustments.
17208 2006-01-17 Roger Sayle <roger@eyesopen.com>
17210 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17211 (size_cost): Encode costs in bytes so that a reg-reg addition is
17212 equivalent to COSTS_N_INSNS(1).
17213 (override_options): Use the size_cost.branch_cost as the default
17214 ix86_branch_cost when optimizing for size.
17216 2006-01-18 Ben Elliston <bje@au.ibm.com>
17218 * Makefile.in (D32PBIT_FUNCS): New.
17219 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17220 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17221 D64PBIT_FUNCS and D128PBIT_FUNCS.
17222 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17223 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17225 (decnumber_dep): Define.
17226 * doc/libgcc.texi (Decimal float library routines): New node.
17227 * config/dfp-bit.h, config/dfp-bit.c: New files.
17229 2006-01-18 Ben Elliston <bje@au.ibm.com>
17231 * expr.c (emit_move_change_mode): Always adjust addresses, not
17232 just during reload. Copy replacements only during reload.
17233 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17234 emit_move_via_integer.
17236 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17238 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17239 instead of $(srcdir) and ${srcdir}.
17241 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17244 PR middle-end/11135
17245 * arm.h (struct machine_function): Add pic_reg.
17246 * arm.c (arm_pic_register): Make unsigned.
17247 (arm_override_options): Only set arm_pic_register if
17248 TARGET_SINGLE_PIC_BASE.
17249 (use_return_insn): Only test for a pic register if it is fixed.
17250 (arm_compute_save_reg0_reg12_mask): Likewise.
17251 (thumb_compute_save_reg_mask): Likewise.
17252 (legitimate_pic_operand): Factor out some known invariants.
17253 (legitimize_pic_address): If we don't have a fixed pic register,
17254 then set up a pseudo in the function entry sequence. Handle the
17255 pic base being in a pseudo.
17256 (arm_load_pic_register): Handle the pic register being in a pseudo.
17257 (arm_expand_prologue): Only set up the pic register if it is fixed.
17258 (thumb_expand_prologue): Likewise.
17259 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17260 (pic_load_addr_based_insn): Likewise.
17261 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17264 2006-01-18 Ben Elliston <bje@au.ibm.com>
17266 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17267 decimal float modes for all floating point registers.
17269 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17270 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17272 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17275 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17276 even when the pointer is not NULL.
17278 2006-01-16 Ian Lance Taylor <ian@airs.com>
17280 * common.opt (ftoplevel-reorder): New option.
17281 * cgraph.c (cgraph_asm_nodes): New global variable.
17282 (cgraph_asm_last_node): New static variable.
17283 (cgraph_order): New global variable.
17284 (cgraph_create_node): Set new order field.
17285 (cgraph_varpool_node): Likewise.
17286 (decide_is_variable_needed): Return true if not
17287 flag_toplevel_reorder.
17288 (cgraph_add_asm_node): New function.
17289 * cgraph.h (struct cgraph_node): Add order field.
17290 (struct cgraph_varpool_node): Add order field.
17291 (struct cgraph_asm_node): Define.
17292 (cgraph_asm_nodes, cgraph_order): Declare.
17293 (cgraph_add_asm_node): Declare.
17294 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17296 (cgraph_varpool_assemble_pending_decls): Call it.
17297 (cgraph_output_pending_asms): New static function.
17298 (cgraph_finalize_compilation_unit): Call it.
17299 (struct cgraph_order_sort): Define.
17300 (cgraph_output_in_order): New static function.
17301 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17302 !flag_toplevel_reorder case.
17303 * c-parser.c: Include "cgraph.h".
17304 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17306 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17307 than -fno-unit-at-a-time.
17308 * doc/invoke.texi (Option Summary): Mention
17309 -fno-toplevel-reorder.
17310 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17311 -funit-at-a-time documentation.
17313 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17314 Kazu Hirata <kazu@codesourcery.com>
17316 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17318 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17320 * Makefile.in (FUNCTION_H): New. Use it instead of
17321 function.h throughout the file.
17322 * function.h: Include tree.h.
17324 2006-01-17 Ben Elliston <bje@au.ibm.com>
17326 * recog.c: Separate some functions with whitespace.
17328 2006-01-16 Richard Henderson <rth@redhat.com>
17330 Merge from gomp branch:
17331 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17332 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17333 and rename from struct inline_data. Rename callee* to dst*;
17334 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17335 transform_new_cfg, transform_return_to_modify, and
17336 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17338 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17339 (copy_decl_for_dup): Remove.
17340 * tree-inline.c (struct inline_data): Move to header.
17341 (insert_decl_map): Export.
17342 (remap_decl): Update for member name changes. Use copy_decl hook.
17343 Allow for replacement to be a non-decl. Remove dead code.
17344 (remap_type_1): Check for existing mapping.
17345 (remap_type): Export.
17346 (remap_decls): Update for member name changes.
17347 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17348 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17349 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17350 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17351 (tree_function_versioning, build_duplicate_type): Likewise.
17352 (copy_body_r): Likewise. Export.
17353 (copy_decl_for_dup): Split into ...
17354 (copy_decl_for_dup_finish, copy_decl_to_var,
17355 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17356 (replace_ref_tree, inlining_p): Remove.
17358 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17360 * ifcvt.c (if_convert): Make it static.
17361 * rtl.h: Remove the prototype for if_convert.
17363 * local-alloc.c (local_alloc): Make it static.
17364 * rtl.h: Remove the prototype for local_alloc.
17366 * loop.c (loop_optimize): Make it static.
17367 * cfgloop.h: Remove the prototype for loop_optimize.
17370 2006-01-16 DJ Delorie <dj@redhat.com>
17372 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17375 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17377 * pa.md: Disparage copies between general and floating-point registers
17378 in 32-bit move patterns.
17380 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17383 * Makefile.in (check-%): Depend on site.exp instead of
17384 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17389 * global.c (global_alloc): Make it static.
17390 * rtl.h: Remove the prototype for global_alloc.
17392 2006-01-16 Richard Guenther <rguenther@suse.de>
17394 * tree-ssa-alias.c (struct used_part): Add write_only field.
17395 (get_or_create_used_part_for): Initialize it to true.
17396 (create_overlap_variables_for): Don't create structure variables
17397 for structures that only are written to.
17398 (find_used_portions): Handle MODIFY_EXPR to track whether a
17399 structure is only written to.
17401 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17403 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17405 * basic-block.h: Remove the prototype for
17406 partition_hot_cold_basic_blocks.
17408 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17410 * cppspec.c (lang_specific_spec_functions): Remove.
17411 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17412 * gcc.h (lang_specific_spec_functions): Remove.
17413 * gccspec.c (lang_specific_spec_functions): Remove.
17415 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17417 * combine.c (record_value_for_reg): Invalidate registers
17419 (record_dead_and_set_regs_1): Likewise, by passing them to
17420 record_value_for_reg.
17421 (record_dead_and_set_regs): Invalidate stores made by a
17422 call. We do not combine across a call, but we still
17423 relied on equivalences.
17425 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17427 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17428 vrp_int_const_binop returning non-constant nodes.
17430 2006-01-16 Paul Brook <paul@codesourcery.com>
17432 * config/m68k/m68k.c (output_move_const_into_data_reg):
17433 Output correct mnemonic for mvz and mvs.
17435 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17437 * rtl-factoring.c: Add sequence abstraction algorithm.
17438 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17439 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17441 (block_has_preserve_label): New function.
17442 * common.opt: Register new pass.
17443 * Makefile.in: Ditto.
17445 * timevar.def: Ditto.
17446 * tree-pass.h: Ditto.
17447 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17448 * rtl.h (make_jump_insn_raw): Add forward decl.
17449 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17451 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17452 Roger Sayle <roger@eyesopen.com>
17454 * fold-const.c (fold_minmax): New static function.
17455 (fold_binary) <MIN_EXPR>: Call it.
17456 <MAX_EXPR>: Likewise.
17457 * stor-layout.c (place_field): Use DECL_SIZE consistently
17458 in the computation of the new record size.
17460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17462 * cse.c (cse_condition_code_reg): Make it static.
17463 * rtl.h: Remove the prototype for cse_condition_code_reg.
17465 * combine.c (combine_instructions): Make it static.
17466 * rtl.h: Remove the prototype for combine_instructions.
17468 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17471 * tree.c (get_file_function_name_long): Concatenate the first global
17472 object name with a string derived from the input filename of the object
17475 2006-01-16 Ben Elliston <bje@au.ibm.com>
17477 * config/i386/winnt-stubs.c: Update FSF address.
17478 * config/xtensa/ieee754-df.S: Ditto.
17479 * config/xtensa/ieee754-sf.S: Ditto.
17481 2006-01-14 Ian Lance Taylor <ian@airs.com>
17483 * ifcvt.c (noce_init_if_info): New static function, broken out of
17484 noce_process_if_block.
17485 (noce_process_if_block): Call noce_init_if_info.
17486 (check_cond_move_block): New static function.
17487 (cond_move_process_if_block): New static function.
17488 (process_if_block): Call cond_move_process_if_block.
17490 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17492 * cselib.c (hash_table): Rename to cselib_hash_table.
17493 (cselib_clear_table, discard_useless_values,
17494 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17495 cselib_init, cselib_finish): Adjust uses of hash_table.
17497 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17499 PR tree-optimization/25485
17500 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17501 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17502 is known to be false and true, respectively.
17504 2006-01-14 Richard Guenther <rguenther@suse.de>
17506 PR tree-optimization/22548
17507 PR tree-optimization/22555
17508 PR tree-optimization/22501
17509 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17510 * params.def (salias-max-array-elements): New parameter.
17511 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17512 * doc/invoke.texi (salias-max-array-elements): Document.
17513 * tree-flow-inline.h (var_can_have_subvars): We also handle
17515 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17517 * tree-ssa-structalias.c (params.h): Include.
17518 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17519 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17520 (get_constraint_for): For ADDR_EXPR operating on something
17521 containing an ARRAY_REF, add all subvars to the solution.
17522 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17523 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17524 for creating MUST_DEFs.
17525 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17527 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17529 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17531 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17532 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17533 number_of_iterations_le): New functions.
17534 (number_of_iterations_special): Removed.
17535 (number_of_iterations_exit): Do not use number_of_iterations_special.
17536 * tree.c (unsigned_type_for): Always return integer type.
17538 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17539 Richard Guenther <rguenther@suse.de>
17541 PR rtl-optimization/24257
17542 * gcse.c (find_moveable_store): Only consider a store movable
17543 when the SET_SRC of the insn can be assigned to a register.
17545 2006-01-14 Ian Lance Taylor <ian@airs.com>
17547 * tree.c (tree_not_class_check_failed): New function.
17548 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17549 (tree_not_class_check_failed): Declare.
17551 2006-01-13 Ian Lance Taylor <ian@airs.com>
17553 * reload1.c (do_output_reload): Add assertion rejecting a
17556 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17558 * combine.c (struct reg_stat): Add new fields truncation_label and
17560 (record_value_for_reg): Reset truncated_to_mode.
17561 (record_truncated_value): New function.
17562 (check_promoted_subreg): Call it. Rename to check_conversions.
17563 (combine_instructions): Rename check_promoted_subreg to
17565 (reg_truncated_to_mode): New function.
17566 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17567 (gen_lowpart_or_truncate): New function.
17568 (force_to_mode): Use it instead of gen_lowpart.
17570 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17572 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17573 VAR is a tag, not its type tag.
17575 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17577 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17578 alternatives to match style of other entries.
17579 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17581 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17583 PR tree-optimization/25771
17584 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17587 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17590 * tree-inline.c (declare_return_variable): If the return variable
17591 was marked as a non gimple complex, set the return slot variable
17592 to be a non gimple comple variable.
17594 2006-01-13 Richard Guenther <rguenther@suse.de>
17596 * builtins.c (expand_builtin_sincos): New function.
17597 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17599 (expand_builtin): Expand sincos using expand_builtin_sincos.
17601 2006-01-12 DJ Delorie <dj@redhat.com>
17603 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17604 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17605 so that constant shifts can be split.
17606 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17607 (m32c_valid_pointer_mode): Make static.
17608 (shift_gen_func_for): New.
17609 (m32c_prepare_shift): Use it. Split large const shifts into
17611 * config/m32c/predicates.md (shiftcount_operand): Allow more
17613 (longshiftcount_operand): New.
17614 * doc/md.texi (Machine Constraints): Document In6.
17616 2006-01-13 Ben Elliston <bje@au.ibm.com>
17618 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17619 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17622 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17624 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17625 to try to avoid clobbering pieces of structures when we know
17626 something about the whole structure.
17627 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17629 2006-01-13 Ben Elliston <bje@au.ibm.com>
17631 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17632 return in memory, as this is no limitation is no longer present.
17634 2006-01-12 DJ Delorie <dj@redhat.com>
17636 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17637 mova with fb, and for fb+0 -> An.
17639 * config/m32c/mov.md (peephole2): Fix enabling logic.
17641 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17642 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17643 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17644 FINI_ARRAY_SECTION_ASM_OP): Define.
17646 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17648 (m32c_legitimize_reload_address): New logic to reload FB to An.
17649 (m32c_output_reg_push): Add newline.
17650 (m32c_output_reg_pop): Likewise.
17652 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17654 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17656 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17658 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17660 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17662 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17665 2006-01-11 Ben Elliston <bje@au.ibm.com>
17667 * rtlanal.c (find_reg_note): Assert insn is not null.
17669 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17671 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17674 2006-01-11 Jeff Law <law@redhat.com>
17676 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17678 (mark_threaded_blocks, register_jump_thread): New functions.
17679 (thread_through_all_blocks): Remove unwanted argument. No
17680 longer rely on e->aux to communicate thread target info.
17681 Call mark_threaded_blocks. Release the threaded_blocks
17682 bitmap and threaded_edges vector when complete.
17683 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17684 (threaded_blocks): Remove.
17685 (tree_ssa_dominator_optimize): Remove initialization and
17686 finalization of threaded_blocks. Simplify call to
17687 thread_through_all_blocks.
17688 (thread_across_edge): Call register_jump_thread rather than
17689 storing thread information into e->aux.
17690 (free_all_edge_infos): Simplify now that e->aux is no longer
17691 used to communicate with thread_through_all_blocks.
17692 * tree-flow.h (thread_through_all_blocks): Update prototype.
17693 (register_jump_thread): Prototype.
17695 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17697 * df-core.c (df_compact_blocks, df_bb_replace): Use
17698 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17700 2006-01-11 Richard Guenther <rguenther@suse.de>
17702 PR tree-optimization/25734
17703 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17704 stop propagation after successful propagation to the LHS.
17706 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17708 * basic-block.h (control_flow_graph): Change the type of
17709 x_basic_block_info to VEC(basic_block,gc) *.
17710 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17712 (SET_BASIC_BLOCK): New.
17713 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17714 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17715 * cfgbuild.c (find_basic_blocks): Likewise.
17716 * cfglayout.c (fixup_reorder_chain): Likewise.
17717 * cfgrtl.c (create_basic_block_structure,
17718 rtl_create_basic_block): Likewise.
17719 * ifcvt.c (find_if_case_1): Likewise.
17720 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17723 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17725 * Makefile.in: Removed rotted odf.c entry.
17727 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17730 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17731 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17732 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17733 output pattern modifier, not %e.
17734 * config/cris/cris.c (cris_op_str): Update comment about pattern
17736 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17737 before falling through into...
17738 <case 'E'>: Redefined from old 'e' case.
17740 2006-01-11 Jan Hubicka <jh@suse.cz>
17743 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17745 2006-01-11 Jan Hubicka <jh@suse.cz>
17747 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17748 * i386.c (x86_decompose_lea): Kill.
17749 (ix86_rtx_costs): Kill.
17751 2006-01-11 Jan Hubicka <jh@suse.cz>
17753 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17754 * cgraph.h (cgraph_node): Add inline_decl.
17755 (cgraph_insert_node_to_hashtable): Declare.
17756 (save_inline_function_body): Declare.
17757 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17759 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17760 (cgraph_function_versioning): Update call of tree_function_versioning.
17761 (save_inline_function_body): New function.
17762 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17763 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17764 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17765 (cgraph_default_inline_p): Likewise.
17766 (cgraph_decide_inlining_incrementally): Likewise.
17767 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17768 (copy_bb): Kill saving; do updating of clones.
17769 (copy_cfg_body): Kill saving.
17770 (initialize_inlined-parameters): Likewise.
17771 (expand_call_inline): Likewise.
17773 (tree_function_versioning): New parameter "update_clones".
17774 (inlining_p): Kill saving.
17775 * tree-inline.h (tree_function_versioning): Update prototype.
17776 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17779 2006-01-11 Ian Lance Taylor <ian@airs.com>
17781 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17782 Allow undoing set of machine mode.
17783 (do_SUBST): Use enums instead of is_int.
17784 (do_SUBST_MODE): New function.
17785 (SUBST_MODE): New macro.
17786 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17787 reg and trying to replace reg_regno_rtx with a new register.
17788 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17789 (simplify_set): Use SUBST_MODE.
17790 (distribute_notes): Remove code that tried to update reg notes
17791 for regno_reg_rtx changes.
17793 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17795 PR tree-optimization/23109
17796 PR tree-optimization/23948
17797 PR tree-optimization/24123
17799 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17800 * tree-cfg.c (single_noncomplex_succ): New.
17801 * tree-flow.h (single_noncomplex_succ): Declare it.
17802 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17803 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17804 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17805 insert_bb, register_division_in, insert_reciprocals,
17806 replace_reciprocal, free_bb): New.
17807 (execute_cse_reciprocals_1): Rewritten.
17808 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17809 Do not commit any edge insertion. Always compute dominators and
17810 create the allocation pool.
17811 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17812 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17813 * targhooks.c (default_min_divistions_for_recip_mul): New.
17814 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17815 * passes.c (init_optimization_passes): Run recip after tree loop
17817 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17819 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17820 Kenneth Zadeck <zadeck@naturalbridge.com>
17822 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17823 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17824 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17825 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17826 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17827 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17828 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17829 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17830 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17831 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17832 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17833 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17834 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17835 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17836 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17837 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17838 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17839 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17840 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17841 DF_SCAN_POST_ALLOC): New macros.
17842 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17843 df_free_bb_function, df_local_compute_function, df_init_function,
17844 df_dataflow_function, df_confluence_function_0,
17845 df_confluence_function_n, df_transfer_function,
17846 df_finalizer_function, df_free_function, df_dump_problem_function,
17847 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17848 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17849 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17850 df_urec_bb_info, ) New types.
17851 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17853 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17854 df_analyze_simple_change_some_blocks,
17855 df_analyze_simple_change_one_block, df_compact_blocks,
17856 df_bb_replace, df_bb_regno_last_use_find,
17857 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17858 df_insn_regno_def_p, df_find_def, df_find_use,
17859 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17860 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17861 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17862 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17863 debug_df_chain, df_get_dependent_problem, df_chain_create,
17864 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17865 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17866 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17867 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17868 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17869 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17870 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17871 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17872 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17873 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17874 df_reorganize_refs, df_set_state, df_hard_reg_init,
17875 df_read_modify_subreg_p) New public functions.
17876 * df-core.c: The core dataflow solver and glue routines for rtl
17878 (df_init, df_add_problem, df_set_blocks, df_finish,
17879 df_hybrid_search_forward, df_hybrid_search_backward,
17880 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17881 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17882 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17883 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17884 df_reg_defined, df_find_use, df_reg_used, df_dump,
17885 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17886 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17887 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17888 debug_df_useno, reset_df_after_reload): New functions.
17889 * df-scan.c: The scanning fuctions, once in df.c, completely
17890 rewritten so that they now fully model the functionality of
17891 register usage at the backend.
17892 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17893 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17894 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17895 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17896 df_get_artificial_defs, df_get_artificial_uses,
17897 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17898 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17899 df_refs_delete, df_reorganize_refs, df_set_state,
17900 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17901 df_def_record_1, df_defs_record, df_uses_record,
17902 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17903 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17904 df_record_exit_block_uses, df_hard_reg_init): New functions.
17906 * df-problems.c: Seven concrete dataflow problems that use the
17907 scanning in df-scan.c and are solved by the engine in df-core.c.
17908 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17909 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17910 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17911 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17912 df_ru_free_bb_info, df_ru_alloc,
17913 df_ru_bb_local_compute_process_def,
17914 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17915 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17916 df_ru_transfer_function, df_ru_free, df_ru_dump,
17917 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17918 df_rd_free_bb_info, df_rd_alloc,
17919 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17920 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17921 df_rd_transfer_function, df_rd_free, df_rd_dump,
17922 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17923 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17924 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17925 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17926 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17927 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17928 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17929 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17930 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17931 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17932 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17933 df_urec_mark_reg_use_for_earlyclobber,
17934 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17935 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17936 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17937 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17938 df_chain_create_bb_process_use, df_chain_create_bb,
17939 df_chain_finalize, df_chain_free, df_chains_dump,
17940 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17941 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17942 df_reg_lifetime): New functions.
17943 * df.c: Deleted file.
17944 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17945 consistent with new df api.
17946 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17947 rest_of_handle_sms): Ditto.
17948 * web.c (unionfind_union, union_defs, entry_register, web_main):
17950 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17951 invariant_expr_equal_p, find_defs, check_dependencies,
17952 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17953 free_inv_motion_data, move_loop_invariants): Ditto.
17954 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17955 Update dependencies.
17956 (odf.c): Added defective entry that was deleted later in day.
17957 * sched-deps.c (sched_analyze_1): Ditto.
17959 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17961 * tree-ssa-operands.c (get_expr_operands): Record addressable
17962 variables directly. Do not call add_stmt_operands for CONST_DECLs
17964 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17965 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17967 2006-01-11 Ben Elliston <bje@au.ibm.com>
17969 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17970 function returns true in the positive case.
17972 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17975 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17976 for SI, DI, SF and DF modes. Add alternatives to copy between
17977 general and floating point registers to the 32-bit patterns.
17978 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17979 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17980 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17981 generating 64-bit code.
17982 * config/pa/pa.c (output_move_double): Handle copies between general
17983 and floating registers.
17985 2006-01-10 Stuart Hastings <stuart@apple.com>
17987 * config/i386/i386.md (set_got): Update.
17988 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17989 (builtin_setjmp_receiver): Mach-O support.
17990 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17991 (GOT_SYMBOL_NAME): Define.
17992 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17993 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17994 * config/i386/i386.c (override_options): Revise for Darwin.
17995 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17996 support. (darwin_x86_file_end): New. (output_set_got): Add label
17997 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17998 * config/i386/i386-protos.h (output_set_got): Likewise.
17999 * config/darwin.c (machopic_legitimize_pic_address): Update
18002 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18004 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18005 when MODE isn't BLKmode.
18007 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18009 PR rtl-optimization/25367
18010 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18012 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18015 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18016 for a negative bound.
18018 2006-01-10 Richard Guenther <rguenther@suse.de>
18020 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18021 Never override with anything constraint.
18023 2006-01-10 Jan Beulich <jbeulich@novell.com>
18025 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18026 256 bits when optimize_size.
18028 2006-01-10 Jan Beulich <jbeulich@novell.com>
18030 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18032 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18033 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18036 2006-01-10 Ben Elliston <bje@au.ibm.com>
18038 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18040 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18041 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18042 (USE_FP_FOR_ARG): Reject decimal float modes.
18043 (function_arg_advance): Likewise.
18044 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18045 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18046 point types in AltiVec vectors.
18047 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18048 (rs6000_libcall_value): Likewise.
18050 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18052 * config/xtensa/ieee754-df.S: New file.
18053 * config/xtensa/ieee754-sf.S: New file.
18054 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18055 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18056 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18058 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18060 * config/sh/predicates.md (binary_float_operator,
18061 binary_logical_operator, commutative_float_operator,
18062 equality_comparison_operator, greater_comparison_operator,
18063 less_comparison_operator, logical_operator,
18064 noncommutative_float_operator, shift_operator,
18065 symbol_ref_operand, unary_float_operator): Remove redundant
18068 2006-01-09 Jeff Law <law@redhat.com>
18070 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18071 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18072 now unused arguments. Callers updated.
18073 (eliminate_redundant_computations): Remove now unused arguments,
18075 (local_fold): Remove, no longer used.
18076 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18078 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18079 (simplify_cond): New function.
18080 (forward_propagate_into_cond): Call simplify_cond.
18082 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18084 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18085 (*vec_extractv2di_1_sse): New.
18087 2006-01-09 Ben Elliston <bje@au.ibm.com>
18089 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18091 2006-01-08 Richard Guenther <rguenther@suse.de>
18093 * tree-ssa-structalias.c (get_constraint_for): Remove
18094 anyoffset argument.
18095 (get_constraint_for_component_ref): Likewise.
18096 (do_deref): Likewise.
18097 (get_constraint_for): Likewise.
18098 (do_structure_copy): Likewise.
18099 (handle_ptr_arith): Likewise.
18100 (find_func_aliases): Likewise. Remove unused need_anyoffset
18103 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18104 Kaz Kojima <kkojima@gcc.gnu.org>
18106 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18107 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18108 (EXTRA_CONSTRAINT_C16): Remove.
18109 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18110 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18111 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18112 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18113 constants of SHmedia. Handle nested constant expressions of
18115 (andcosts): Fix the costs for SHmedia constants.
18116 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18117 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18118 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18119 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18120 (movv4hi_i, movv2si_i): Likewise.
18121 (movsi_const): Adjust the second operand of ior so to match with
18122 the Csu constraint.
18123 (movdi_const, movdi_const_32bit): Likewise.
18124 (movdi_const_16bit+1): Don't sign-extend LOW.
18125 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18127 (*double_shori): Fix the split condition. Use GEN_INT instead
18128 of get_int_mode calls. Mask lower 16-bit of the argument of
18130 (sym2GOTPLT): Remove.
18131 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18133 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18134 instead of EXTRA_CONSTRAINT_C16.
18136 2006-01-07 Ian Lance Taylor <ian@airs.com>
18137 David Edelsohn <edelsohn@gnu.org>
18139 PR rtl-optimization/25662
18140 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18141 for constant operands instead of simplify_gen_binary.
18142 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18143 after trying simplify_binary_operation
18145 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18147 * tree.c (iterative_hash_expr): Hash decls based on UID.
18149 2006-01-06 Eric Christopher <echristo@apple.com>
18151 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18152 (TARGET_UNWIND_EMIT): Fix spelling.
18153 * target.h (gcc_target): Add except_table_label.
18154 * except.c (output_function_exception_table): Use.
18155 * varasm.c (default_emit_except_table_label): New.
18156 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18158 (asm_out): Add here.
18159 * output.h (default_emit_except_table_label): Prototype.
18160 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18161 * config/darwin.c (darwin_emit_except_table_label): Define.
18162 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18164 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18166 PR tree-optimization/18527
18167 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18168 number_of_iterations_special, number_of_iterations_exit):
18169 Move base and step of an iv to a single structure. Add
18170 no_overflow flag, and use it in # of iterations analysis.
18171 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18172 folded_casts argument.
18173 (simple_iv): Pass base and step in a structure. Set no_overflow
18175 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18176 Evaluate expensiveness of computing # of iterations instead of
18177 the final expression.
18178 * tree-scalar-evolution.h (affine_iv): New structure.
18179 (simple_iv): Declaration changed.
18180 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18181 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18182 find_givs_in_stmt): Changed due to simple_iv change.
18184 2006-01-06 Jeff Law <law@redhat.com>
18187 * tree-cfg.c (bsi_replace): Rename final argument from
18188 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18189 change (stmt -> orig_stmt).
18190 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18191 (bsi_remove): Add new argument. Remove EH information
18193 (verify_eh_throw_table_statements): New function.
18194 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18196 * tree-optimize.c (execute_free_cfg_annotations): Verify
18197 the EH throw statement table after removing annotations.
18198 * except.h (verify_eh_throw_table_statements): Prototype.
18199 * tree-flow.h (bsi_remove): Update prototype.
18200 * tree-vrp.c (remove_range_assertions): Add new argument to
18202 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18203 * tree-complex.c (expand_complex_div_wide): Likewise.
18204 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18205 * tree-tailcall.c (eliminate_tailcall): Likewise.
18206 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18207 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18208 * tree-nrv.c (tree_nrv): Likewise.
18209 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18210 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18211 (combine_blocks): Likewise.
18212 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18213 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18214 (cleanup_control_flow): Likewise.
18215 (remove_forwarder_block): Likewise.
18216 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18217 * tree-sra.c (sra_replace): Likewise.
18218 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18219 (forward_propagate_single_use_vars): Likewise.
18220 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18221 * tree-inline.c (expand_call_inline): Likewise.
18222 * tree-vect-transform.c (vect_transform_loop): Likewise.
18223 * tree-outof-ssa.c (rewrite_trees): Likewise.
18224 * tree-cfg.c (make_goto_expr_edges): Likewise.
18225 (cleanup_dead_labels): Likewise.
18226 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18227 (bsi_move_before, bsi_move_after): Likewise.
18228 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18229 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18231 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18234 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18236 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18237 on non gimple variables. Also add checks at the top for decls and
18239 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18241 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18242 and IMAGPART_EXPR for creating MUST_DEFs.
18243 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18244 and NAME_MEMORY_TAG separately from the DECLs.
18246 2006-01-06 Richard Guenther <rguenther@suse.de>
18248 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18249 annotation, if necessary.
18250 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18251 redundant calls to update_stmt.
18252 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18255 2006-01-05 Richard Henderson <rth@redhat.com>
18257 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18259 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18261 * c-typeck.c: Update copyright date.
18263 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18265 * c-typeck.c (build_c_cast): Always warn when casting
18266 from a pointer to an integer of different size, even if
18267 the node was constant.
18269 2006-01-05 Richard Guenther <rguenther@suse.de>
18271 PR tree-optimization/22555
18272 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18273 if one structure field is an array.
18274 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18275 operands even if we found a subvar, but ignore VOPs in this
18277 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18279 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18281 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18283 PR middle-end/24998
18284 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18286 2006-01-05 Richard Guenther <rguenther@suse.de>
18287 Diego Novillo <dnovillo@redhat.com>
18289 * tree-pass.h (TODO_remove_unused_locals): Define.
18290 * gimple-low.c (expand_var_p, remove_useless_vars,
18291 pass_remove_useless_vars): Remove. Update all users.
18292 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18293 (remove_unused_locals): New function.
18294 * tree-flow.h (remove_unused_locals): Declare.
18295 * passes.c (execute_todo): Call remove_unused_locals if
18296 TODO_remove_unused_locals is set.
18297 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18298 * tree-ssa-dce.c (pass_dce): Likewise.
18299 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18301 2006-01-05 Richard Guenther <rguenther@suse.de>
18303 * tree-flow.h (struct fieldoff): Decompose field to
18304 type, size and decl.
18305 * tree-ssa-alias.c (create_sft): Take type as parameter.
18306 (create_overlap_variables_for): Store type, size and decl
18307 in the fieldoff structure.
18308 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18309 of struct fieldoff.
18310 (push_fields_onto_fieldstack): Likewise.
18311 (create_variable_info_for): Likewise. Use offset for the
18312 SFT name if the decl is not available.
18314 2006-01-04 Paul Brook <paul@codesourcery.com>
18316 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18318 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18320 * lambda-code.c (can_put_in_inner_loop): Relax
18322 (can_put_after_inner_loop): New function.
18323 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18324 (perfect_nestify): Change to make copies and modify uses.
18326 2006-01-04 Richard Henderson <rth@redhat.com>
18328 Merge from gomp branch:
18329 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18330 via integer constant.
18331 (pragma_lex): Remove.
18332 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18333 rather than parsing it.
18334 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18335 handle_pragma_extern_prefix): Add %< %> quotes.
18336 (registered_pragmas): New.
18337 (c_register_pragma_1): New.
18338 (c_register_pragma): Use it.
18339 (c_register_pragma_with_expansion): Likewise.
18340 (c_invoke_pragma_handler): New.
18341 (init_pragma): Use cpp_register_deferred_pragma directly for
18343 * c-pragma.h (enum pragma_kind): New.
18344 (pragma_handler): New.
18345 (c_invoke_pragma_handler): Declare.
18346 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18348 * c-common.h (c_common_pch_pragma): Update decl.
18349 * Makefile.in (c-parser.o): Update dependencies.
18350 (GTFILES): Add c-pragma.h.
18351 * c-parser.c (struct c_token): Add pragma_kind.
18352 (struct c_parser): Add in_pragma.
18353 (c_lex_one_token): Always initialize keyword and pragma_kind.
18354 Extract data for CPP_PRAGMA.
18355 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18356 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18357 Don't allow CPP_PRAGMA_EOL if in_pragma.
18358 (c_parser_consume_pragma): New.
18359 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18360 (c_parser_skip_to_end_of_parameter): Likewise.
18361 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18362 (c_parser_skip_to_pragma_eol): New.
18363 (c_parser_external_declaration): Handle CPP_PRAGMA.
18364 (c_parser_compound_statement_nostart): Likewise.
18365 (c_parser_statement_after_labels): Likewise.
18366 (c_parser_pragma): New.
18367 (pragma_lex): Likewise.
18368 (c_parser_pragma_pch_preprocess): New.
18369 (c_parser_new): Merge into ...
18370 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18372 2006-01-04 Jeff Law <law@redhat.com>
18375 * tree-cfg.c (bsi_replace): Remove the original statement
18376 from the EH throw statement table.
18378 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18380 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18381 make the prototype extern "C" and add throw ().
18384 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18385 and pos non-negative and pos + len <= 32.
18386 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18387 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18388 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18391 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18392 as well as sizes not multiple of component size.
18395 * function.c (instantiate_expr): New function.
18396 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18397 walk its DECL_VALUE_EXPR with instantiate_expr.
18399 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18400 DW_OP_deref{,_size} if address isn't going to be added.
18402 2006-01-04 Ben Elliston <bje@au.ibm.com>
18404 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18405 * config/fp-bit.c: Likewise.
18407 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18409 * dominance.c: Add comment about why we use DFS numbering
18412 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18413 Richard Henderson <rth@redhat.com>
18415 Merge from gomp-branch:
18416 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18417 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18419 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18421 PR rtl-optimization/25578
18422 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18423 pass a parameter to simplify_shift_const if changing ASHIFTRT
18426 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18428 * builtins.c (get_builtin_sync_mem): New function.
18429 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18430 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18431 Call get_builtin_sync_mem to generate mem rtx.
18433 2006-01-03 Richard Guenther <rguenther@suse.de>
18436 * stmt.c (add_case_node): Make sure to clear overflow flags
18439 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18441 Merge from gomp-branch.
18442 * config/sparc/sync.md: New file.
18443 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18444 UNSPECV_LDSTUB): New constants.
18445 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18446 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18447 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18450 2006-01-03 Roger Sayle <roger@eyesopen.com>
18452 * combine.c (reg_subword_p): New predicate to test whether the
18453 destination of a set refers to a subword/piece of a register.
18454 (try_combine): Generalize the code to merge the setting of a
18455 pseudo to a constant followed by a set of a subword of that
18456 register to a constant.
18458 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18460 * basic-block.h (control_flow_graph): Change the type of
18461 x_label_to_block_map to VEC(basic_block,gc) *.
18462 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18463 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18465 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18466 VEC(basic_block,heap) *.
18467 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18468 ssa_prop_fini): Adjust the uses of cfg_blocks.
18470 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18472 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18474 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18475 hashing trees instead of a pointer hash.
18476 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18477 compare for MEM_EXPR.
18479 PR rtl-optimization/25130
18480 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18481 when comparing MEMs for GCSE
18483 2006-01-03 Ben Elliston <bje@au.ibm.com>
18485 * targhooks.h (default_decimal_float_supported_p): Declare.
18486 * targhooks.c (default_decimal_float_supported_p): Define.
18487 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18488 `default_decimal_float_supported_p'.
18489 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18491 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18493 * combine.c (apply_distributive_law <SUBREG>): Check
18494 TRULY_NOOP_TRUNCATION.
18496 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18498 * dwarf2out.c (have_switched_text_section): Delete.
18499 (have_multiple_function_sections): New.
18500 (have_location_lists): Make 'bool'.
18501 (add_AT_loc_list): Use 'true' not '1'.
18502 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18503 (output_loc_list): Use have_multiple_function_sections.
18504 (output_ranges): Likewise.
18505 (dwarf2out_begin_function): Set have_multiple_function_sections if
18507 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18508 Check function_section rather than DECL_SECTION_NAME.
18509 (dwarf2out_finish): Use have_multiple_function_sections.
18510 Don't clear have_location_lists.
18512 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18513 Jan Hubicka <jh@suse.cz>
18515 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18516 case of conditional jump jumping to the next instruction.
18517 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18518 cases of conditional jump jumping to the next instruction.
18520 2006-01-02 Jan Hubicka <jh@suse.cz>
18522 * i386.c (*_cost): Add COSTS_N_INSNS.
18523 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18525 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18528 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18530 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18532 * config/arm/arm.c (all_fpus): Fix comment typo.
18533 * config/darwin.c: Likewise.
18534 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18535 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18536 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18538 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18540 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18541 (rs6000_split_compare_and_swapqhi): New.
18542 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18543 (sync_compare_and_swapqhi_internal): New.
18544 * config/rs6000/rs6000-protos.h: Declare.