1 2006-11-15 Paul Brook <paul@codesourcery.com>
3 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4 _Unwind_GetTextRelBase): Move from here ...
5 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
6 _Unwind_GetTextRelBase): ... To here.
8 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
10 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
11 addresses we generate for testing are aligned.
13 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
16 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
17 to what is the const decl is a place holder for.
19 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
21 * config/i386/i386.opt: New target option -mx87regparm.
23 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
24 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
25 (X87_REGPARM_MAX): Define.
27 * config/i386/i386.c (override_options): Error out for
28 -mx87regparm but no 80387 support.
29 (ix86_attribute_table): Add x87regparm.
30 (ix86_handle_cconv_attribute): Update comments for x87regparm.
31 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
32 (ix86_function_x87regparm): New function.
33 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
35 (init_cumulative_args): Initialize x87_nregs and float_in_x87
37 (function_arg_advance): Process x87_nregs and x87_regno when
38 floating point argument is to be passed in 80387 register.
39 (function_arg): Pass XFmode arguments in 80387 registers for local
40 functions. Pass SFmode and DFmode arguments to local functions
41 in 80387 registers when flag_unsafe_math_optimizations is set.
43 * reg-stack.c (convert_regs_entry): Disable NaN load for
44 stack registers that are used for argument passing.
46 * doc/extend.texi: Document x87regparm function attribute.
47 * doc/invoke.texi: Document -mx87regparm.
49 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
51 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
52 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
53 arg MODE; all callers changed. Use it to determine validity per
54 machine mode instead of using Pmode for all memory references.
55 (get_address_cost): Likewise add and use new arg MEM_MODE.
57 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
58 J"orn Rennecke <joern.rennecke@st.com>
60 * combine.c (likely_spilled_retval_1): Fix masking operation.
61 (likely_spilled_retval_p): Use proper pattern for call to
62 likely_spilled_retval_1.
64 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
66 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
68 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
69 that tests for CONSTANT_POOL_ADDRESS_P.
71 2006-11-15 Jakub Jelinek <jakub@redhat.com>
73 PR tree-optimization/29581
74 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
75 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
76 type is different between Y and USE, create a temporary
77 variable, initialize it at the beginning of the body bb
78 and use it as replacement instead of Y.
80 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
83 * gimplify.c (fold_indirect_ref_rhs): Use
84 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
86 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
88 * expmed.c (emit_store_flag_1): New function.
89 (emit_store_flag): Call it. If we can't find a suitable scc insn,
91 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
92 Use do_compare_rtx_and_jump.
93 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
94 * arm.md (cstoresi4): New define_expand.
95 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
96 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
97 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
99 2006-11-14 Caroline Tice <ctice@apple.com>
101 * dwarf2out.c (debug_pubtypes_section): New static global variable.
102 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
104 (pubname_table): Redefine as a vector.
105 (pubtype_table): New static global variable, defined as a vector.
106 (pubname_table_allocated): Remove static global variable.
107 (pubname_table_in_use): Remove static global variable.
108 (PUBNAME_TABLE_INCREMENT): Remove constant.
109 (size_of_pubnames): Add parameter to deal with either pubnames or
110 pubtypes, and change code to deal with table being a vector.
111 (add_pubname): Change to deal with table being a vector.
112 (add_pubtype): New function.
113 (output_pubnames): Add parameter to deal with either pubnames or
114 pubtypes, and change code to deal with table being a vector.
115 (gen_array_type_die): Add call to add_pubtype.
116 (gen_enumeration_type_die): Add call to add_pubtype.
117 (gen_struct_or_union_type_die): Add call to add_pubtype.
118 (gen_subroutine_type_die): Add call to add_pubtype.
119 (gen_typedef_die): Add call to add_pubtype.
120 (dwarf2out_init): Add code to initialize pubname_table and
121 pubtype_table vectors; also initialize debug_pubtypes_section.
122 (prune_unused_types): Change to deal with pubnames being a vector.
123 (dwarf2out_finish): Change to deal with pubnames being a vector; add
124 pubnames table to call to output_pubnames; Add code to output pubtypes
125 table if DEBUG_PUBTYPES_SECTION is defined.
126 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
128 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
130 2006-11-14 Joseph Myers <joseph@codesourcery.com>
132 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
133 iwmmxt_nregs if TARGET_IWMMXT_ABI.
134 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
135 movv2si_internal): Support moves between core registers.
137 2006-11-14 Eric Christopher <echristo@apple.com>
139 * configure: Regenerate with autoconf 2.59.
141 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
143 Fix PR tree-optimization/27755
145 * tree-ssa-pre.c: Update comments.
146 (bb_bitmap_sets): Add pa_in and deferred member.
147 (BB_DEFERRED): New macro.
148 (maximal_set): New variable.
149 (pre_stats): Add pa_insert member.
150 (bitmap_set_and): Short circuit orig == dest.
151 (bitmap_set_subtract_values): New function.
152 (bitmap_set_contains_expr): Ditto.
153 (translate_vuses_through_block): Add phiblock argument.
154 (dependent_clean): New function.
155 (compute_antic_aux): Update for maximal_set changes.
156 (compute_partial_antic_aux): New function.
157 (compute_antic): Handle partial anticipation.
158 (do_partial_partial_insertion): New function.
159 (insert_aux): Handle partial anticipation.
160 (add_to_sets): Add to maximal set.
161 (compute_avail): Ditto.
162 (init_pre): Initialize maximal_set.
163 (execute_pre): Do partial anticipation if -O3+.
165 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
167 PR rtl-optimization/29798
169 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
170 TARGET_INSN before any other check.
171 (fwprop_init): Always calculate dominators.
172 (fwprop_done): Always free them.
174 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
179 2006-11-13 DJ Delorie <dj@redhat.com>
181 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
182 temporary for intermediates.
184 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
186 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
187 (sh_optimize_target_register_callee_saved): #if 0 the code
188 using NOTE_INSN_LOOP_{BEG,END}.
190 2006-11-13 Roger Sayle <roger@eyesopen.com>
192 * fold-const.c (optimize_bit_field_compare): Recursively call
193 fold when simplifying non-constant comparisons between bit-fields.
195 2006-11-13 Jakub Jelinek <jakub@redhat.com>
197 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
199 * configure: Rebuilt.
201 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
203 * config/rs6000/cell.md: New file.
204 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
206 (ppccell_cost): New cost matrix.
207 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
208 (rs6000_override_options): Set rs6000_always_hint to false
209 for cell. Also align functions/lables/loops to 8byte
210 for the Cell. Use PROCESSOR_CELL.
211 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
213 (rs6000_variable_issue): If the insn is a nonpipelined instruction
214 on the Cell, return 0.
215 (rs6000_adjust_cost): Add Cell cost adjustments.
216 (is_microcoded_insn): Return true for Cell microcoded
218 (is_nonpipeline_insn): New function.
219 (rs6000_issue_rate): Add PROCESSOR_CELL.
220 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
222 (rs6000_use_sched_lookahead_guard): New function.
223 (rs6000_sched_reorder): Reorder the ready list, if the second
224 to last ready insn is a nonepipeline insn on the Cell.
225 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
226 (ASM_CPU_SPEC): Add Cell.
227 * config/rs6000/rs6000.md (cpu): Add Cell.
228 (cell_micro): New Attr.
231 2006-11-13 Jakub Jelinek <jakub@redhat.com>
233 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
235 * configure: Rebuilt.
237 2006-11-13 Richard Guenther <rguenther@suse.de>
239 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
241 (ix86_expand_lfloorceil): Likewise.
242 (ix86_expand_rint): Likewise.
243 (ix86_expand_floorceildf_32): Likewise.
244 (ix86_expand_floorceil): Likewise.
245 (ix86_expand_rounddf_32): Likewise.
246 (ix86_expand_truncdf_32): Likewise.
247 (ix86_expand_round): Likewise.
249 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
250 Mark Mitchell <mark@codesourcery.com>
252 * gcc.c: Organize search path variables into $prefix relative,
253 and well-known native. Add comments.
254 (add_sysrooted_prefix): Add comment.
255 (process_command): If !gcc_exec_prefix add $prefix based paths.
256 If *cross_compile == '0', add native well-known paths.
257 Assert tooldir_base_prefix is always relative.
258 (main): If print_search_dirs, and if gcc_exec_prefix is set,
259 use this value for 'install:' path.
260 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
262 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
264 * config/i386/i386.c: Fix a typo in comment.
266 2006-11-13 Michael Matz <matz@suse.de>
268 * genemit.c (gen_expand): Allocate enough memory.
270 2006-11-13 Joseph Myers <joseph@codesourcery.com>
272 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
273 __GXX_TYPEINFO_EQUALITY_INLINE but not
274 __GXX_MERGED_TYPEINFO_NAMES.
275 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
276 __GXX_MERGED_TYPEINFO_NAMES.
277 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
278 __GXX_TYPEINFO_EQUALITY_INLINE.
280 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
281 Zdenek Dvorak <dvorakz@suse.cz>
283 PR tree-optimization/29680
284 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
287 2006-11-12 Jason Merrill <jason@redhat.com>
288 Andrew Pinski <pinskia@physics.uc.edu>
291 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
293 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
295 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
296 * tree.c (build_vector): Handle non-_CST elements.
298 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
300 * genemit.c (gen_insn): Call gen_exp with a non-null used
301 when handling multiple insns.
302 (gen_expand): Likewise.
303 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
304 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
305 (movsi_const_16bit+1): Copy operands[1].
306 (call_pcrel): Copy the call_site pattern.
307 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
309 2006-11-12 Roger Sayle <roger@eyesopen.com>
311 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
312 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
313 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
314 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
316 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
318 Fix PR tree-optimization/29587
319 * tree-ssa-structalias.c (process_constraint): Don't
320 mark address taken due only to escaped vars constraint.
322 2006-11-12 Michael Matz <matz@suse.de>
323 Roger Sayle <roger@eyesopen.com>
325 PR rtl-optimization/29797
326 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
327 BITS_BIG_ENDIAN targets.
329 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * builtins.c (fold_builtin_cosh): New.
332 (fold_builtin_1): Use it.
333 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
334 trunc to the list of "odd" functions. Also add llrint, lrint,
335 rint and nearbyint when flag_rounding_math is false.
337 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
339 * tree-flow.h (name_mappings_registered_p): Declare.
340 * tree-into-ssa.c (name_mappings_registered_p): New function.
341 * tree-cfg.c (tree_can_merge_blocks_p): Check
342 name_mappings_registered_p instead of need_ssa_update_p.
344 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
346 * tree-ssa-loop.c (tree_vectorize): Return the result of
348 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
350 * tree-vectorizer.h (vectorize_loops): Declaration removed.
351 * tree-flow.h (vectorize_loops): Declaration changed.
353 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
355 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
357 (issue_prefetch_ref): Move assignment to write_p out of loop.
358 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
359 SIMULTANEOUS_PREFETCHES into account.
360 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
361 * lambda-code.c (lcm): Renamed to ...
362 (least_common_multiple): ... and exported.
363 * tree-flow.h (least_common_multiple): Declare.
365 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
367 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
368 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
369 ud-chains. Handle AND_EXPR.
370 (record_estimate): Record whether the estimate is realistic
371 and whether it is derived from a loop exit.
372 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
373 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
375 (compute_estimated_nb_iterations): Take only realistic bounds into
376 account. Set estimate_state. Use double_ints.
377 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
378 and infer_loop_bounds_from_signedness. Do not consider basic blocks
379 that do not have to be always executed.
380 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
381 to determine whether to call infer_loop_bounds_from_undefined
382 and compute_estimated_nb_iterations.
383 (n_of_executions_at_most): Use double_ints.
384 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
385 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
386 * double-int.c (double_int_to_tree): Improve comment.
387 (double_int_fits_to_tree_p): New function.
388 * double-int.h (double_int_fits_to_tree_p): Declare.
389 * tree-data-ref.c: Include langhooks.h.
390 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
391 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
392 (analyze_array): Do not pass estimate_only argument to
393 analyze_array_indexes.
394 (get_number_of_iters_for_loop): Build tree from the stored double_int
396 (get_references_in_stmt, find_data_references_in_stmt): New functions.
397 (find_data_references_in_loop): Use find_data_references_in_stmt.
398 * tree-data-ref.h (struct data_ref_loc_d): New.
399 (get_references_in_stmt): Declare.
400 (estimate_iters_using_array): Declaration removed.
401 * cfgloop.h (struct nb_iter_bound): Change type of bound to
402 double_int. Improve comments. Add is_exit and realistic
404 (struct loop): Changed type of estimated_nb_iterations to double_int.
405 Added estimate_state field.
406 (record_estimate): Declaration removed.
408 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
410 * params.c (set_param_value): Initialize the "set" field.
411 * params.h (struct param_info): Add "set" field.
412 (PARAM_SET_P): New macro.
413 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
414 L1_CACHE_LINE_SIZE): New macros.
415 * toplev.c (DEFPARAM): Initialize the "set" field.
416 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
417 SIMULTANEOUS_PREFETCHES): Removed.
418 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
419 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
420 * config/sparc/sparc.c: Include params.h.
421 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
422 L1_CACHE_LINE_SIZE parameters.
423 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
425 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
427 * config/i386/i386.c: Include params.h.
428 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
429 (override_options): Set SIMULTANEOUS_PREFETCHES and
430 L1_CACHE_LINE_SIZE parameters.
431 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
432 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
433 L1_CACHE_LINE_SIZE parameters.
434 * config/ia64/ia64.c (ia64_optimization_options): Set
435 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
436 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
438 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
439 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
440 * doc/invoke.texi: Document new params.
442 2006-11-12 Roger Sayle <roger@eyesopen.com>
444 PR tree-optimization/13827
445 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
448 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
450 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
451 update_single_exit_for_duplicated_loops): New functions.
452 (duplicate_loop_to_header_edge): Use
453 update_single_exit_for_duplicated_loops.
454 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
455 functions only with ENABLE_CHECKING.
457 2006-11-12 Andreas Schwab <schwab@suse.de>
459 * except.c (sjlj_emit_function_enter): Remove unused variable.
461 2006-11-11 Roger Sayle <roger@eyesopen.com>
463 * fold-const.c (int_binop_types_match_p): New function.
464 (size_binop): Relax constraint that both arguments must both have
465 exactly the same sizetype type. Instead use int_binop_types_match_p.
466 (size_diffop): Likewise.
468 (make_range): Use build_int_cst instead of fold_convert.
469 (fold_cond_expr_with_comparison): Use build_int_cst to construct
470 integer constants of the correct type.
471 (fold_div_compare): Likewise.
472 (fold_single_bit_test): Likewise.
473 (fold_binary): Likewise.
474 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
475 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
477 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
480 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
481 non null value if the struct memory access is in the 0th
484 2006-11-12 Jie Zhang <jie.zhang@analog.com>
487 2006-11-11 Jie Zhang <jie.zhang@analog.com>
488 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
491 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
492 instead of builtin_define for bfin and BFIN.
494 2006-11-11 Jie Zhang <jie.zhang@analog.com>
496 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
499 2006-11-11 Jan Hubicka <jh@suse.cz>
501 * extended.texi (__builtin_expect): We no longer require second argument
503 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
504 * builtins.c (expand_builtin_expect): Simplify.
505 (expand_builtin_expect_jump): Kill.
506 * final.c (final_scan_insn): Do not skip the removed notes.
507 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
508 EXPECTED_VALUE): Remove.
509 * dojump.c (do_jump): Do not care about __builtin_expect.
510 * predict.c (expected_value_to_br_prob): Kill.
511 * function.c (expand_function_end): Do not expand
512 NOTE_INSN_REPEATED_LINE_NUMBER.
513 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
514 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
515 * cfgexpand.c (add_reg_br_prob_note): Export.
516 * cfgcleanup.c (rest_of_handle_jump2): Do not call
517 expected_value_to_br_prob.
518 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
519 * rtl.h (add_reg_br_prob_note): Declare.
521 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
523 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
525 2006-11-11 Jan Hubicka <jh@suse.cz>
527 * predict.c (predict_loops): Kill RTL variant.
529 2006-11-11 Jan Hubicka <jh@suse.cz>
531 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
532 * modulo-sched.c (find_line_note): Remove.
533 (loop_canon_p): Do not worry about line number notes.
534 (sms_schedule): Likewise.
535 * cse.c (cse_main): Likewise.
536 * regmove.c (fixup_match_1): Likewise
537 * function.c (emit_return_info_block): Likewise.
538 (expand_function_end): Likewise.
539 (thread_prologue_an_epilogue_insns): Likewise.
540 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
542 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
543 emit_note_copy_after): Kill.
544 (emit_note_copy): Do not worry about line numbers.
545 * jump.c (purge_line_number_notes): Kill.
546 (pass_purge_lineno_notes): Kill.
547 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
549 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
550 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
551 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
552 * tree-pass.h (pass_purge_lineno_notes): Kill.
553 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
554 rm_redundant_line_notes.
555 * sched-rgb.c (schedule_region): Don't rm_line_notes,
556 rm_redundant_line_notes.
557 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
558 * haifa-sched.c: Update comment about handling notes.
559 (unlink_line_notes): Kill.
560 (rm_line_notes): Kill.
561 (save_line_notes): Simplify.
562 (rm_redundant_line_notes): Kill.
564 2006-11-11 Richard Guenther <rguenther@suse.de>
566 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
567 Remove unused tree codes.
568 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
569 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
570 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
571 * tree.c (stabilize_reference): Likewise.
572 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
573 fold_unary): Likewise.
574 * tree-gimple.c (is_gimple_cast): Likewise.
575 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
576 * expr.c (expand_expr_real_1): Likewise.
577 * tree-eh.c (tree_could_trap_p): Likewise.
578 * gimplify.c (gimplify_expr): Likewise.
579 * tree-inline.c (estimate_num_insns_1): Likewise.
580 * tree-cfg.c (verify_expr): Likewise.
582 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
584 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
585 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
586 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
588 2006-11-11 Richard Sandiford <richard@codesourcery.com>
591 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
592 constraints accept neither registers or memories.
594 2006-11-11 Jie Zhang <jie.zhang@analog.com>
596 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
597 (NO_PROFILE_COUNTERS): Define as 1.
599 2006-11-10 Roger Sayle <roger@eyesopen.com>
601 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
602 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
604 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
606 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
608 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
611 (fold_builtin_hypot): Likewise.
612 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
614 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
616 2006-11-10 Roger Sayle <roger@eyesopen.com>
618 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
619 when attempting to build INTEGER_CSTs of non-integral types.
620 * expmed.c (make_tree): Use the correct type, i.e. the inner
621 type, when constructing the individual elements of a CONST_VECTOR.
623 2006-11-10 Jan Hubicka <jh@suse.cz>
625 * cse.c (cse_process_notes): Copy the propagated value.
626 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
628 * gcse.c (try_replace_reg): Copy the replacement.
629 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
630 (assign_386_stack_local): Always return copied memory expression
631 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
634 2006-11-10 Jan Hubicka <jh@suse.cz>
636 * final.c (final): Walk from first instruction.
637 * cfglayout.c (insn_locators_initialize): Remove line number notes.
639 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
642 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
644 (umulv8hi3_highpart): Ditto.
645 (vec_widen_smult_hi_v8hi): New expander.
646 (vec_widen_smult_lo_v8hi): Ditto.
648 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
651 * builtins.c (do_mpfr_arg3): New.
652 (fold_builtin_1): Handle builtins fma, fmin and fmax.
654 2006-11-09 Eric Christopher <echristo@apple.com>
659 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
660 * config.gcc (powerpc64-*-darwin*): New target.
661 * config.host: Ditto.
662 * config/rs6000/darwin64.h: New file.
663 * config/rs6000/x-darwin64: Ditto.
664 * config/rs6000/host-ppc64-darwin.c: Ditto.
666 2006-11-09 Steve Ellcey <sje@cup.hp.com>
668 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
669 routines for integer division.
671 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
673 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
675 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
678 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
680 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
682 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
683 simplify_subreg with BLKmode outer mode.
685 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
687 * doc/invoke.texi: Minor formatting fixes in option lists.
689 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
691 PR tree-optimization/29738
692 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
693 (ccp_lattice_t): Remove UNKNOWN_VAL.
694 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
695 Do not handle UNKNOWN_VAL.
696 (get_default_value): Set initial value of virtual operands to
698 (get_value): Always use get_default_value on uninitialized
700 (set_value_varying, surely_varying_stmt_p): New functions.
701 (set_lattice_value): Do not pass argument to get_value.
702 Do not handle UNKNOWN_VAL.
703 (likely_value): Follow the semantics described in the comment.
704 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
705 phi nodes DONT_SIMULATE_AGAIN.
706 (ccp_fold): Do not pass argument to get_value.
707 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
710 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
712 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
713 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
715 2006-11-08 Roger Sayle <roger@eyesopen.com>
717 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
718 test for inclusion rather than as a test for exclusion.
719 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
720 the condition after calling fold_binary.
721 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
722 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
723 * builtins.c (fold_builtin_isascii): Likewise.
724 (fold_builtin_isdigit): Likewise.
726 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
728 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
729 * configure: Regenerate.
731 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
733 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
734 enum argument instead of bool.
735 (vect_analyze_operations): Call vectorizable_type_promotion.
736 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
737 stmt_vec_info_type value.
738 (supportable_widening_operation, vectorizable_type_promotion): New
739 function declarations.
740 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
741 (vectorizable_type_promotion): New function.
742 (vect_transform_stmt): Call vectorizable_type_promotion.
743 * tree-vect-analyze.c (supportable_widening_operation): New function.
744 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
746 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
749 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
750 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
751 * tree-inline.c (estimate_num_insns_1): Add cases for above new
753 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
754 * expr.c (expand_expr_real_1): Likewise.
755 * optabs.c (optab_for_tree_code): Likewise.
756 (init_optabs): Initialize new optabs.
757 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
758 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
759 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
760 vec_unpacku_lo_optab): Initialize new optabs.
761 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
762 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
763 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
765 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
766 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
767 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
768 (vec_unpacku_lo_optab): New optabs.
769 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
770 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
771 (vec_widen_smult_hi, vec_widen_smult_lo): New.
772 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
773 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
774 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
776 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
777 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
778 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
779 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
780 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
781 implement the unsigned unpacking patterns.
782 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
783 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
784 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
785 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
786 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
787 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
788 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
789 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
790 multiplication patterns.
792 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
793 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
794 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
795 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
796 (rs6000_builtin_mul_widen_odd): New.
797 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
798 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
799 * tree-vectorizer.h (enum vect_relevant): New enum type.
800 (_stmt_vec_info): Field relevant chaned from bool to enum
802 (STMT_VINFO_RELEVANT_P): Updated.
803 (STMT_VINFO_RELEVANT): New.
804 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
805 instead of STMT_VINFO_RELEVANT_P.
806 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
807 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
808 and boolean variable with enum vect_relevant.
809 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
810 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
811 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
813 2006-11-08 Richard Henderson <rth@redhat.com>
815 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
816 vec_widen_umult_lo_v8hi): New.
817 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
818 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
820 * config/i386/i386.c (ix86_expand_sse_unpack): New.
821 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
822 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
823 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
824 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
825 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
826 vec_unpacks_lo_v4si): New.
828 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
830 * tree-vect-transform.c (vectorizable_type_demotion): New function.
831 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
832 (vect_analyze_operations): Call vectorizable_type_demotion.
833 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
834 stmt_vec_info_type value.
835 (vectorizable_type_demotion): New function declaration.
836 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
839 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
840 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
842 * tree-iniline.c (estimate_num_insns_1): Likewise.
843 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
844 * optabs.c (optab_for_tree_code): Likewise.
846 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
847 compared against the predicate of the result is not 'mode' (the input
848 to the function) but a mode with half the size of 'mode'.
849 (init_optab): Initialize new optabs.
850 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
852 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
854 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
855 (vec_pack_usat_optab): Initialize new optabs.
856 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
857 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
859 2006-11-08 Richard Henderson <rth@redehat.com>
861 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
862 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
863 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
864 (vec_interleave_highv4si, vec_interleave_lowv4si):
865 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
867 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
869 * tree-vect-transform.c (vectorizable_reduction): Support multiple
871 (vect_transform_stmt): Removed redundant code.
873 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
875 * tree-vect-transform.c (vectorizable_operation): Support multiple
878 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
880 * tree-vect-transform.c (vect_align_data_ref): Removed.
881 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
882 Updated function documentation. Return the increment stmt in ptr_incr.
883 (bump_vector_ptr): New function.
884 (vect_get_vec_def_for_stmt_copy): New function.
885 (vect_finish_stmt_generation): Create a stmt_info to newly created
887 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
889 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
890 VF is greater than the number of elements that can fit in one vector
892 (vectorizable_operation, vectorizable_condition): Likewise.
893 (vectorizable_store, vectorizable_load): Support the case that the VF
894 is greater than the number of elements that can fit in one vector word.
895 (vect_transform_loop): Don't fail in case of multiple data-types.
896 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
897 in case of multiple data-types; the smallest type determines the VF.
898 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
899 if they are of different sizes.
900 (vect_update_misalignment_for_peel): Compare misalignments in terms of
901 number of elements rather than number of bytes.
902 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
903 (vect_can_advance_ivs_p): Fix a dump printout
905 2006-11-07 Eric Christopher <echristo@apple.com>
907 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
909 * libgcc2.h: Remove transformation of bswap routines.
910 * config/i386/i386.md (bswapsi2): New.
913 2006-11-07 Jakub Jelinek <jakub@redhat.com>
915 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
916 (handle_gnu_inline_attribute): New function.
917 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
918 (merge_decls, start_decl, start_function): Likewise.
919 * doc/extend.texi: Document gnu_inline attribute.
921 2006-11-07 Steve Ellcey <sje@cup.hp.com>
924 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
925 _fixunstfdi, and _floatditf
927 2006-11-06 Anatoly Sokolov <aesok@post.ru>
929 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
931 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
932 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
933 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
934 which start in an odd register.
936 2006-11-07 Richard Sandiford <richard@codesourcery.com>
938 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
940 2006-11-07 Josh Conner <jconner@apple.com>
942 * doc/invoke.texi (fstrict-aliasing): Move implementation
944 * doc/tree-ssa.texi (Alias analysis): ...here.
946 2006-11-07 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/29610
949 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
950 of tree_purge_dead_eh_edges as it may free dominators.
952 * g++.dg/other/pr29610.C: New testcase.
954 2006-11-07 David Ung <davidu@mips.com>
956 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
957 costs when optimizing for size.
958 (override_options): Use mips_rtx_cost_optimize_size table for cost
961 2006-11-07 Jie Zhang <jie.zhang@analog.com>
963 * gcc.c (process_command): Treat -b as normal switch if its argument
966 2006-11-07 David Ung <davidu@mips.com>
968 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
971 2006-11-06 Eric Christopher <echristo@apple.com>
973 * config.gcc: Add x86_64-darwin host support.
974 * config.host: Ditto.
975 * config/i386/darwin64.h: New file.
976 * config/i386/t-darwin64: Ditto.
978 2006-11-06 Janis Johnson <janis187@us.ibm.com>
980 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
981 and output-exists-not.
983 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
986 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
987 checking for overflow.
989 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
991 * configure.ac: Fixed typo in case statement: :: changed to ;;
993 2006-11-06 Bob Wilson <bob.wilson@acm.org>
995 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
996 count_leading_zeros, and count_trailing_zeros.
997 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
998 (TARGET_FOLD_BUILTIN): Define.
999 (TARGET_EXPAND_BUILTIN): Define.
1000 (xtensa_init_builtins): New.
1001 (xtensa_fold_builtin): New.
1002 (xtensa_expand_builtin): New.
1003 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1004 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1005 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1006 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1007 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1008 (any_extend): New code macro.
1009 (u, su): New code attributes.
1010 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1011 (nsau): Remove; replaced by clzsi2.
1012 (ffssi2): Use clzsi2.
1013 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1014 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1015 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1016 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1017 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1019 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1021 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1023 * config/arm/t-strongarm-elf: Likewise.
1024 * config/arm/t-pe: Likewise.
1025 * config/arm/t-arm-elf: Likewise.
1026 * config/arm/t-xscale-elf: Likewise.
1027 * config/arm/t-arm-coff: Likewise.
1028 * config/arm/t-xscale-coff: Likewise.
1029 * config/arm/t-wince-pe: Likewise.
1031 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1033 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1036 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1039 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1042 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1045 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1046 as a valid 80387 constant.
1047 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1048 * config/i386/i386.md (unnamed splitter): Split the load of
1049 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1052 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1054 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1055 from the soft-frame, argument and virtual registers.
1057 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1059 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1060 patterns for standard 80387 constants.
1062 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1063 Steven Bosscher <steven@gcc.gnu.org>
1065 * fwprop.c: New file.
1066 * Makefile.in: Add fwprop.o.
1067 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1068 * passes.c (init_optimization_passes): Schedule forward propagation.
1069 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1071 * timevar.def (TV_FWPROP): New.
1072 * common.opt (-fforward-propagate): New.
1073 * opts.c (decode_options): Enable forward propagation at -O2.
1074 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1075 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1076 canon_for_address, table_size): Remove.
1077 (new_basic_block, insert, remove_from_table): Remove references to
1079 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1080 simplification loop more straightforward by not calling fold_rtx
1082 (equiv_constant): Move here a small part of fold_rtx_subreg,
1083 do not call fold_rtx. Call avoid_constant_pool_reference
1085 * recog.h (canonicalize_change_group): New.
1087 * doc/invoke.texi (Optimization Options): Document fwprop.
1088 * doc/passes.texi (RTL passes): Document fwprop.
1090 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1092 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1093 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1094 (grokdeclarator): Likewise.
1096 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1098 * tree-dump.c (dump_enable_all): Rename local variable
1099 ir_type to avoid name conflicts.
1100 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1101 instead of using ir_type().
1102 * profile.c (tree_register_profile_hooks): Likewise.
1103 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1104 * basic-block.h (struct edge_def): Likewise.
1105 * config/arm/arm.c (legitimize_pic_address): Likewise.
1106 * coretypes.h (ir_type): New enum of all intermediate languages
1108 * cfghooks.c (ir_type): Rename to...
1109 (current_ir_type): ...this. Distinguish between cfgrtl and
1110 cfglayout mode when the current IR is RTL. Return enum ir_type.
1111 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1113 2006-11-03 Paul Brook <paul@codesourcery.com>
1115 * config/arm/arm.c (arm_file_start): New function.
1116 (TARGET_ASM_FILE_START): Define.
1117 (arm_default_cpu): New variable.
1118 (arm_override_options): Set arm_default_cpu.
1120 2006-11-03 David Ung <davidu@mips.com>
1122 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1123 PROCESSOR_24KC and PROCESSOR_24KF.
1124 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1125 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1126 (mips_rtx_cost_data): Add costs for the 24kc.
1127 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1128 * config/mips/24k.md: Remove references to 24k and replace with
1129 uses of 24kc/24kf in the appropriate reservations.
1130 * doc/invoke.texi (MIPS Options): Updated.
1132 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1134 * config/sh/crt1.asm: Fix #ifdef indent.
1136 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1137 Merged from STMicroelectronics sources:
1138 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1139 * config/sh/crt1.asm (vbr_600): Add missing #if.
1140 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1141 * sh.opt (mfused-madd): New option.
1142 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1143 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1144 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1145 Remove pointless handler at VBR+0.
1146 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1147 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1148 fr7. Make sure the timer handler is called with the correct FPU
1149 precision setting, according to the ABI.
1150 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1151 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1152 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1153 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1154 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1155 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1156 zero as second operand.
1157 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1158 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1159 Fixed some bugs related to negative values, in particular -0
1160 and overflow at -0x80000000.
1161 * config/sh/divcost-analysis: Added sh4-300 figures.
1162 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1163 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1164 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1165 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1166 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1167 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1169 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1171 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1172 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1173 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1174 mac_mem, mem_mac, dfp_mul, fp_cmp.
1175 (insn_class, dfp_comp, any_fp_comp): Update.
1176 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1177 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1178 (muldf3_i): Likewise.
1179 (movsi_i): Split rI08 alternative into two separate alternatives.
1181 (movsi_ie, movsi_i_lowpart): Likewise.
1182 (movqi_i): Split ri alternative into two separate alternatives.
1184 * sh1.md (sh1_load_store, sh1_fp): Update.
1185 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1186 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1187 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1188 (sh4a_fp_double_arith): Likewise.
1189 * sh4-300.md: New file.
1190 * sh.c (sh_handle_option): Handle m4-300* options.
1191 (sh_adjust_cost): Fix latency of auto-increments.
1192 Handle SH4-300 differently than other SH4s. Check for new insn types.
1193 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1194 been set by an option.
1195 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1196 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1197 (mbranch-cost=): Likewise.
1198 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1200 * sh.md (mulsf3): Remove special expansion code.
1201 (mulsf3_ie): Now a define_insn_and_split.
1202 (macsf3): Allow for TARGET_SH4.
1204 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1205 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1206 (expand_cbranchdi4): Likewise.
1207 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1208 CONST_DOUBLE if the outer code is COMPARE.
1209 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1210 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1211 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1212 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1213 Remove redundant fp_{zero,one}_operand checks.
1214 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1215 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1216 (expand_cbranchdi4): Likewise.
1217 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1218 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1220 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1222 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1225 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1227 * doc/invoke.texi: Fix mfp-trap-mode typo.
1229 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1231 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1232 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1233 file_end_indicate_exec_stack.
1234 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1236 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1237 for a non-executable stack.
1238 * crti.asm: Likewise.
1239 * crtn.asm: Likewise.
1240 * libunwind.S: Likewise.
1242 2006-11-02 Ben Elliston <bje@au.ibm.com>
1244 * tree-ssa.c (warn_uninit): Use expand_location variables for
1245 locus and declaration locus.
1247 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1250 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1251 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1252 cmp{eq,gt,gtu}{si,di}_media.
1253 (*cmpne0si_media): Remove.
1254 (*movsicc_umin): Adjust gen_cmp*_media call.
1255 (unordered): Change the mode of unordered and operands[1] to
1257 (seq): Adjust gen_cmp*_media calls. Make the mode of
1258 a temporary result of compare SImode if needed. If the mode
1259 of operands[0] is DImode, extend the temporary result to DImode.
1260 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1261 (sunorderd): Change the mode of match_operand and unorderd to
1263 (cmpeq{sf,df}_media): Remove.
1264 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1265 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1266 and compare operation to SImode.
1268 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1270 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1272 (sparc64-sun-solaris2*): Likewise.
1274 2006-11-02 Paul Brook <paul@codesourcery.com>
1276 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1277 from priority argument. Use different section for non-default
1279 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1281 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1284 * except.c (switch_to_exception_section): Do not cache the section
1285 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1286 and flag_function_sections is set.
1288 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1291 * builtins.c (do_mpfr_sincos): New.
1292 (fold_builtin_1): Use it to fold builtin sincos.
1294 2006-11-01 Roger Sayle <roger@eyesopen.com>
1296 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1297 it into -D_REENTRANT.
1299 2006-11-01 Roger Sayle <roger@eyesopen.com>
1301 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1302 whether the assembler supports taking the difference of symbols in
1303 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1304 * configure: Regenerate.
1305 * config.in: Regenerate.
1306 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1307 the assembler doesn't support taking the difference of symbols in
1308 different sections, i.e. we're using the native solaris assembler.
1310 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1311 Peter Bergner <bergner@vnet.ibm.com>
1313 * doc/invoke.texi: Add cpu_type power6x
1314 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1315 * config.gcc: Add cpu_type power6x.
1316 * configure.ac: Add test for mf{t,f}gpr instructions.
1317 (HAVE_AS_MFPGPR): New.
1318 * config.in: Regenerate.
1319 * configure: Regenerate.
1320 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1321 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1322 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1323 and mftgpr attributes.
1324 (define_attr "cpu"): Add power6.
1325 Change instruction sequences to use new attributes.
1326 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1327 (fix_truncdfsi2_mfpgpr): New.
1328 (floatsidf_ppc64_mfpgpr): New.
1329 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1330 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1331 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1332 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1333 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1334 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1335 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1336 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1337 cntlz,exts and var_delayed_compare.
1338 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1339 _ARCH_PWR6X, if features enabled.
1340 * config/rs6000/rs6000.opt (mmfpgpr): New.
1341 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1342 (cached_can_issue_more): New variable.
1343 (processor_costs): Add power6_cost.
1344 (rs6000_sched_init): New function.
1345 (is_dispatch_slot_restricted): Deleted.
1346 (set_to_load_agen): New function.
1347 (is_load_insn,is_store_insn): New functions.
1348 (adjacent_mem_locations): New function.
1349 (insn_must_be_first_in_group): New function.
1350 (insn_must_be_last_in_group): New function.
1351 (rs6000_sched_reorder): New function.
1352 (rs6000_sched_reorder2): New function.
1353 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1354 TARGET_SCHED_REORDER2): Define.
1355 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1356 Add power6x. Add MASK_MFPGPR for power6x.
1357 (POWERPC_MASKS): Add MASK_MFPGPR.
1358 (rs6000_override_options): Set rs6000_always_hint to false
1359 for power6. Set rs6000_align_branch_targets. Replace
1360 rs6000_sched_groups check with rs6000_align_branch_targets.
1361 Use PROCESSOR_POWER6.
1362 (last_scheduled_insn): New variable.
1363 (load_store_pendulum): New variable.
1364 (rs6000_variable_issue): Set last_scheduled_insn and
1365 cached_can_issue_more.
1366 (rs6000_adjust_cost): Add power6 cost adjustments.
1367 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1368 with insn_must_be_first_in_group. Add power6 priority adjustments.
1369 (rs6000_issue_rate): Add CPU_POWER6.
1370 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1371 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1372 (TARGET_MFPGPR): New.
1373 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1374 (ASM_CPU_SPEC): Add power6x.
1375 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1377 * config/rs6000/power6.md: New file.
1379 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1381 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1382 HOST_WIDE_INT_PRINT to print high and low parts. Use
1383 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1384 printing a hexadecimal number prefix it with 0x.
1386 2006-11-01 Chris Johns <chris@contemporary.net.au>
1389 * Makefile.in (install-driver): Use exeext when installing
1390 $target-gcc-$version.
1392 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1394 * c-common.c (flag_cpp0x): New.
1395 * c-common.h (flag_cpp0x): New.
1396 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1397 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1398 * c-opts.c (set_std_cxx0x): New.
1399 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1400 * c.opt (std=c++0x): Document.
1401 (std=gnu++0x): Ditto.
1402 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1403 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1405 2006-11-01 Richard Guenther <rguenther@suse.de>
1407 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1409 (ix86_expand_floorceildf_32): Likewise.
1410 (ix86_expand_floorceil): Likewise.
1411 (ix86_expand_trunc): Likewise.
1413 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1415 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1418 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1420 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1422 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1424 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1426 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1427 * configure.ac (use_cxa_atexit): As a special case, don't test
1428 for libc definition of __cxa_atexit on mingw32
1429 * configure: Regenerate.
1430 * config.gcc (i[34567]86-pc-mingw32): Default to
1431 enable__cxa_atexit=yes.
1433 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1435 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1437 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1440 * c-decl.c (start_struct): Don't create self-containing
1442 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1444 * config/rs6000/rs6000-protos.h
1445 (darwin_rs6000_special_round_type_align): New.
1446 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1447 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1449 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1451 * toplev.c (compile_file): Call final_write_globals
1452 even if there have been errors.
1454 2006-10-31 Eric Christopher <echristo@apple.com>
1455 Falk Hueffner <falk@debian.org>
1457 * doc/extend.texi (__builtin_bswap32): Document.
1458 (__builtin_bswap64): Ditto.
1459 * doc/libgcc.texi (bswapsi2): Document.
1461 * doc/rtl.texi (bswap): Document.
1462 * optabs.c (expand_unop): Don't widen a bswap.
1463 (init_optabs): Init bswap. Set libfuncs explicitly
1464 for bswapsi2 and bswapdi2.
1465 * optabs.h (OTI_bswap): New.
1466 (bswap_optab): Ditto.
1467 * genopinit.c (optabs): Handle bswap_optab.
1468 * tree.h (tree_index): Add TI_UINT32_TYPE and
1470 (uint32_type_node): New.
1471 (uint64_type_node): Ditto.
1472 * tree.c (build_common_tree_nodes_2): Initialize
1473 uint32_type_node and uint64_type_node.
1474 * builtins.c (expand_builtin_bswap): New.
1475 (expand_builtin): Call.
1476 (fold_builtin_bswap): New.
1477 (fold_builtin_1): Call.
1478 * fold-const.c (tree_expr_nonnegative_p): Return true
1480 * builtin-types.def (BT_UINT32): New.
1482 (BT_FN_UINT32_UINT32): Ditto.
1483 (BT_FN_UINT64_UINT64): Ditto.
1484 * builtins.def (BUILT_IN_BSWAP32): New.
1485 (BUILT_IN_BSWAP64): Ditto.
1486 * rtl.def (BSWAP): New.
1487 * genattrtab.c (check_attr_value): New.
1488 * libgcc2.c (__bswapSI2): New.
1489 (__bswapDI2): Ditto.
1490 * libgcc2.h (__bswapSI2): Declare.
1491 (__bswapDI2): Ditto.
1492 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1493 * simplify-rtx.c (simplify_const_unary_operation): Return
1495 * libgcc-std.ver (__bwapsi2): Add.
1496 (__bswapdi2): Ditto.
1497 * reload1.c (eliminate_regs_1): Add bswap.
1498 (elimination_effects): Ditto.
1499 * config/i386/i386.h (x86_bswap): New.
1500 (TARGET_BSWAP): Use.
1501 * config/i386/i386.c (x86_bswap): Set.
1503 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1505 * coverage.c (coverage_checksum_string): Update comment.
1506 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1507 of get_file_function_name.
1508 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1509 of get_file_function_name_long.
1510 * tree.c (get_file_function_name): Rename from
1511 get_file_function_name_long; improve comment; handle 'I' and 'D'
1512 specially when the target has ctor/dtor support; remove special
1514 (get_file_function_name): Remove.
1515 * tree.h (get_file_function_name): Rename from
1516 get_file_function_name_long.
1517 (get_file_function_name): Remove prototype.
1519 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1521 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1522 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1524 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1525 Call dsymutil when compiling and linking one or more source files
1528 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1531 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1533 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1535 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1536 inline static functions in c99 mode.
1539 * doc/extend.texi (Inline): Update.
1540 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1541 * c-decl.c (current_extern_inline): Delete.
1542 (pop_scope): Adjust test for an undefined nested function.
1543 Add warning about undeclared inline function.
1544 (diagnose_mismatched_decls): Update comments. Disallow overriding
1545 of inline functions in a translation unit in C99. Allow inline
1546 declarations in C99 at any time.
1547 (merge_decls): Boolize variables. Handle C99 'extern inline'
1549 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1550 C99 inline semantics.
1551 (start_function): Don't clear current_extern_inline. Don't set
1553 (c_push_function_context): Don't push current_extern_inline.
1554 (c_pop_function_context): Don't restore current_extern_inline.
1557 * c-typeck.c (build_external_ref): Warn about static variables
1558 used in extern inline functions.
1559 * c-decl.c (start_decl): Warn about static variables declared
1560 in extern inline functions.
1562 2006-10-31 Roger Sayle <roger@eyesopen.com>
1565 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1566 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1567 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1568 or y is an even integer.
1570 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1573 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1574 * gthr-posix95.h (__gthread_active_p): Likewise.
1576 2006-10-31 Richard Guenther <rguenther@suse.de>
1578 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1579 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1580 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1581 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1582 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1583 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1584 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1585 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1588 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1590 * opts.c (decode_options): Disable CSE skip blocks.
1592 2006-10-30 Dirk Mueller <dmueller@suse.de>
1594 * c-common.h (strict_aliasing_warning): Fix whitespace.
1595 * c-decl (start_function): Move code for main decl warning ..
1596 * c-common.c (check_main_parameter_types): .. here.
1597 * c-common.h (check_main_parameter_types): Declare.
1599 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1602 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1604 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1606 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1607 be a PARALLEL containing sets. Return false when out_pat is not
1610 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1612 * config/mips/mips.md (mul<mode>3): Split into...
1613 (mulsi3, muldi3): ...these separate patterns.
1615 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1617 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1618 but with each set of options separated by spaces.
1620 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1622 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1623 dwarf_reg_size_table has been initialized.
1625 2006-10-30 Roger Sayle <roger@eyesopen.com>
1627 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1628 * ddg.c (print_ddg_edge): Likewise.
1629 * dwarf2out.c (prune_unused_types_walk): Likewise.
1630 * ifcvt.c (noce_try_cmove_arith): Likewise.
1631 * langhooks.c (add_builtin_function): Likewise.
1632 * reg-stack.c (subst_stack_regs_pat): Likewise.
1633 * tree.c (expanded_location): Likewise.
1634 * tree-dump.c (dequeue_and_dump): Likewise.
1636 2006-10-30 David Daney <ddaney@avtrex.com>
1638 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1640 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1642 PR tree-optimization/29637
1643 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1644 of the innertype is the innertype itself.
1646 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1648 * dwarf2out.c (file_name_acquire): Correct typo.
1650 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1652 * tree.h (tree_value_handle): Remove struct value_set declaration.
1653 Change value_set to bitmap_set.
1654 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1655 * tree-vn.c (get_value_handle): Made inline and moved to
1657 * tree-flow-inline.h: (has_stmt_ann): New function.
1658 * tree-ssa-pre.c (expressions): New variable.
1659 (next_expression_id): Ditto.
1660 (alloc_expression_id): New function.
1661 (struct value_set): Remove.
1662 (get_expression_id): New function.
1663 (get_or_alloc_expression_id): Ditto.
1664 (expression_for_id): Ditto.
1665 (clear_expression_ids): Ditto.
1666 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1667 (bb_value_sets): Renamed to bb_bitmap_sets.
1668 All value sets replaced with bitmap_sets.
1670 (BB_VISITED): New macro.
1671 (postorder): New variable.
1672 (add_to_value): Removed.
1673 (value_exists_in_set_bitmap): Ditto.
1674 (value_insert_into_set_bitmap): Ditto.
1677 (set_remove): Ditto.
1678 (set_contains_value): Ditto.
1679 (insert_into_set): Ditto.
1681 (find_leader): Ditto.
1682 (bitmap_set_subtract_from_value_set): Ditto.
1683 (value_insert_into_set): Ditto.
1684 (print_value_set): Ditto.
1685 (debug_value_set): Ditto.
1686 (constant_expr_p): New function.
1687 (bitmap_remove_from_set): Ditto.
1688 (bitmap_insert_into_set): Ditto.
1689 (bitmap_set_free): Ditto.
1690 (vh_compare): Ditto.
1691 (sorted_array_from_bitmap_set): Ditto.
1692 (bitmap_set_subtract): Ditto.
1693 (bitmap_set_equal): Ditto.
1694 (debug_bitmap_set): Ditto.
1695 (find_leader_in_sets): Ditto.
1696 (bitmap_set_replace_value): Modify for bitmapped sets.
1697 (phi_translate): Ditto.
1698 (phi_translate_set): Ditto.
1699 (bitmap_find_leader): Ditto.
1700 (valid_in_sets): Ditto.
1701 (union_contains_value): Ditto.
1703 (compute_antic_aux): Ditto. Mark changed blocks.
1704 (compute_antic): Ditto. Iterate in postorder and only over
1706 (compute_rvuse_and_antic_safe): Reuse postorder.
1707 (create_component_ref_by_pieces): Modify for bitmapped sets.
1708 (find_or_generate_expression): Ditto.
1709 (create_expression_by_pieces): Ditto.
1710 (insert_into_preds_of_block): Ditto.
1711 (changed_blocks): New variable.
1712 (do_regular_insertion): Broken out from insert_aux.
1713 (insert_aux): Modified for bitmapped sets.
1714 (find_existing_value_expr): New function.
1715 (create_value_expr_from): Use it.
1716 (insert_extra_phis): Removed.
1717 (print_bitmap_set): Renamed from bitmap_print_value_set.
1718 (compute_avail): Handle RETURN_EXPR.
1719 (init_pre): Modify for bitmapped sets.
1720 * tree-flow.h (has_stmt_ann): New function.
1722 2006-10-29 Roger Sayle <roger@eyesopen.com>
1724 * builtins.c (fold_builtin_floor): Check for the availability of
1725 the C99 trunc function before transforming floor into trunc.
1727 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1729 * builtins.c (fold_builtin_hypot): Rearrange recursive
1730 transformation before others, and also do ABS_EXPR. When
1731 necessary, check flag_unsafe_math_optimizations. When necessary,
1734 2006-10-29 Roger Sayle <roger@eyesopen.com>
1736 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1737 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1738 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1739 Fold -X eq/ne -Y as X eq/ne Y.
1741 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1743 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1744 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1745 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1746 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1747 Use an inclusive test for "mult" rather than "mul".
1748 (rotr<mode>3): Depend on ISA_HAS_ROR.
1749 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1751 (GENERATE_MULT3_DI): Delete.
1752 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1753 (ISA_HAS_MUL3): New macro.
1754 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1755 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1756 (ISA_HAS_CLZ_CLO): Likewise.
1757 (ISA_HAS_DCLZ_DCLO): Delete.
1758 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1759 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1760 the VR4120 and VR4130.
1761 (ISA_HAS_MACCHI): Use consistent formatting.
1762 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1763 (ISA_HAS_ROR): ...this new macro.
1764 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1765 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1766 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1768 2006-10-29 Roger Sayle <roger@eyesopen.com>
1770 PR tree-optimization/15458
1771 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1774 2006-10-29 Richard Guenther <rguenther@suse.de>
1776 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1777 (ix86_expand_truncdf_32): Likewise.
1778 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1779 trunc inline for SSE math and -fno-trapping-math and if not
1780 optimizing for size.
1781 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1782 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1783 for expanding btrunc inline for SSE math.
1785 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1787 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1788 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1789 i[34567]86-*-solaris2.1[0-9]*.
1790 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1791 Define conditionally depending on TARGET_64BIT_DEFAULT.
1792 (SPEC_32, SPEC_64): Define.
1793 (LINK_SPEC): Use them.
1794 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1796 2006-10-29 Richard Guenther <rguenther@suse.de>
1798 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1799 (ix86_expand_rounddf_32): Likewise.
1800 * config/i386/i386.c (ix86_expand_round): New function expanding
1801 round inline for SSE math and -fno-trapping-math and if not
1802 optimizing for size.
1803 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1804 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1805 round via ix86_expand_round.
1807 2006-10-29 Richard Guenther <rguenther@suse.de>
1809 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1810 (ix86_expand_floorceildf_32): Likewise.
1811 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1812 static helper function.
1813 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1815 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1816 * config/i386/i386.md (floordf2): Adjust to enable floor
1817 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1818 -fno-trapping-math is enabled and if not optimizing for size.
1819 (floorsf2, ceildf2, ceilsf2): Likewise.
1820 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1821 (sse2_maskcmpdf3): Likewise.
1823 2006-10-29 Richard Guenther <rguenther@suse.de>
1825 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1826 rint in case -fno-trapping-math is enabled.
1827 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1828 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1829 (ix86_expand_sse_fabs): Likewise.
1830 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1831 * config/i386/i386.md (rintdf2): Enable for SSE math if
1832 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1833 (rintsf2): Likewise.
1835 2006-10-29 Richard Guenther <rguenther@suse.de>
1837 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1838 to conversion optabs.
1839 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1840 as conversion optab.
1841 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1842 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1843 (lfloor_optab, lceil_optab): Adjust defines.
1844 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1845 lfloor and lceil optabs now being conversion optabs.
1846 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1847 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1848 New static helper function.
1849 (ix86_expand_lfloorceil): New function to expand lfloor and
1851 * config/i386/i386.md (lfloor<mode>2): Split into ...
1852 (lfloorxf<mode>2): ... x87 variant
1853 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1854 using ix86_expand_lfloorceil.
1855 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1857 * doc/md.texi (lfloorMN, lceilMN): Document.
1859 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1861 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1862 -mno-shared assembler option on mips targets.
1863 * configure, config.in: Regenerate.
1864 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1865 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1866 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1868 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1870 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1871 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1873 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1875 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1876 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1879 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1883 (fold_builtin_pow): Evaluate constant arguments at compile-time
1885 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1886 (do_mpfr_ckconv): New helper function.
1887 (do_mpfr_arg1): Use do_mpfr_ckconv.
1888 (do_mpfr_arg2): New.
1890 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1893 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1894 (-fdump-rtl-sched): Rename to ..
1895 (-fdump-rtl-sched1): here. Also fix file extension number.
1897 2006-10-28 Richard Guenther <rguenther@suse.de>
1899 * fold-const.c (maybe_canonicalize_comparison): Fix code
1902 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1904 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1905 (NON_QI_REG_P): Use IN_RANGE.
1906 (REX_INT_REGNO_P): Use IN_RANGE.
1907 (FP_REGNO_P): Use IN_RANGE.
1908 (SSE_REGNO_P): Use IN_RANGE.
1909 (REX_SSE_REGNO_P): Use IN_RANGE.
1910 (MMX_REGNO_P): Use IN_RANGE.
1911 (STACK_REGNO_P): New macro.
1912 (STACK_REG_P): Use STACK_REGNO_P.
1913 (NON_STACK_REG_P): Use STACK_REGNO_P.
1914 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1915 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1916 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1917 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1918 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1920 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1922 * except.h (output_function_exception_table): Add 'const char*' param.
1923 * except.c (switch_to_exception_section): Add 'const char*' param.
1924 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1925 and flag_function_sections is set, use a function-specific section.
1926 (output_function_exception_table): Add 'const char*' param.
1927 Adjust call to switch_to_exception_section.
1928 * final.c (rest_of_handle_final): Adjust calls to
1929 output_function_exception_table.
1930 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1931 * config.in: Regenerate.
1932 * configure: Likewise.
1934 2006-10-28 Richard Guenther <rguenther@suse.de>
1937 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1938 for maybe_canonicalize_comparison.
1939 (maybe_canonicalize_comparison): New function for canonicalizing
1941 (fold_comparison): Call it to canonicalize comparisons with
1944 2006-10-28 Richard Guenther <rguenther@suse.de>
1947 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1948 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1949 (expand_builtin): Adjust likewise.
1950 * genopinit.c (optabs[]): Add lround optab.
1951 * optabs.c (init_optabs): Initialize lround_optab.
1952 * optabs.h (enum convert_optab_index): Add COI_lround.
1953 (lround_optab): Define.
1954 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1955 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1957 (ix86_expand_lround): New function.
1958 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1960 * doc/md.texi (lroundMN2): Document.
1962 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1965 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1966 argument to HOST_WIDE_INT. Update function prototype.
1967 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1968 "size" argument to HOST_WIDE_INT. Update function prototype.
1970 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1972 * config/i386/i386.c (output_387_ffreep): Create output from a
1973 template string for !HAVE_AS_IX86_FFREEP.
1975 2006-10-27 Eric Christopher <echristo@apple.com>
1977 * config/darwin.c: Fix formatting and grammar.
1979 2006-10-27 Jan Hubicka <jh@suse.cz>
1981 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1982 to be thrown away soon when IGNORE is set.
1983 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1984 indicating when return value shall not be computed.
1985 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1987 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1989 * config/i386/i386.h (TARGET_GEODE):
1990 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1991 (TARGET_CPU_DEFAULT_geode): New macro.
1992 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1993 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1994 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1995 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1996 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1998 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1999 (processor_type): Add PROCESSOR_GEODE.
2001 * config/i386/i386.md: Include geode.md.
2004 * config/i386/i386.c (geode_cost): New initialized global
2006 (m_GEODE, m_K6_GEODE): New macros.
2007 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2008 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2009 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2010 x86_schedule): Use m_K6_GEODE instead of m_K6.
2011 (x86_movx, x86_cmove): Set up m_GEODE.
2012 (x86_integer_DFmode_moves): Clear m_GEODE.
2013 (processor_target_table): Add entry for geode.
2014 (processor_alias_table): Ditto.
2016 * config/i386/geode.md: New file.
2018 * doc/invoke.texi: Add entry about geode processor.
2020 2006-10-27 Mike Stump <mrs@apple.com>
2022 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2023 __DYNAMIC__ from here back to ...
2024 * config/darwin.h (CPP_SPEC): ... here.
2026 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2027 Nathan Sidwell <nathan@codesourcery.com>
2029 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2030 when choosing the minimum heapsize.
2032 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2034 * gcc/unwind-dw2.h: Move cfa-related variables into
2035 struct frame_state_reg_info to ensure that the CFA is properly
2036 handled when executing DW_CFA_{remember,restore}_state.
2037 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2038 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2039 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2040 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2041 gcc/config/rs6000/linux-unwind.h,
2042 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2043 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2044 Modify to use new cfa_* fields.
2046 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2048 * config/s390/s390.c (s390_init_frame_layout): Check positive
2051 2006-10-26 Ben Elliston <bje@au.ibm.com>
2053 * gimplify.c (get_name): Remove extraneous break.
2054 (gimplify_omp_for): Initialise ret with GS_OK.
2056 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2058 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2059 Add unix98.o to link line.
2061 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2064 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2065 Calculate compile-time constants using MPFR.
2066 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2067 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2069 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2071 * config/xtensa/lib2funcs.S: Use C-style comments.
2073 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2075 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2076 (file_table_relative_p): Likewise.
2077 (dwarf2out_finish): Likewise.
2078 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2080 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2082 * tree-ssa-structalias.c (intra_create_variable_infos):
2083 Don't recreate nonlocal_all if it already exists.
2085 2006-10-25 Richard Guenther <rguenther@suse.de>
2088 * optabs.h (enum optab_index): Remove OTI_lrint.
2089 (enum convert_optab_index): Add COI_lrint.
2090 (lrint_optab): Adjust.
2091 (expand_sfix_optab): Declare.
2092 * optabs.c (expand_sfix_optab): New function.
2093 (init_optabs): Init lrint_optab as conversion optab.
2094 * genopinit.c (lrint_optab): Change to a conversion optab.
2095 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2096 expansion via conversion optab.
2097 * config/i386/i386.md (*fistdi2_1): Remove
2098 flag_unsafe_math_optimizations guard.
2099 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2100 fist<mode>2_with_temp): Likewise.
2101 (lrint<mode>2): Split into...
2102 (lrintxf<mode>2): ... x87 part
2103 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2104 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2105 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2106 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2107 * doc/md.texi (lrintMN2): Document.
2109 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2112 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2113 Use inc and dec instructions for TARGET_USE_INCDEC.
2114 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2115 ("sync_double_compare_and_swap<mode>"): Likewise.
2116 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2117 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2118 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2119 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2120 ("sync_old_add<mode>"): Likewise.
2121 ("sync_lock_test_and_set<mode>"): Likewise.
2122 ("sync_lock_test_and_set<mode>"): Likewise.
2123 ("sync_add<mode>"): Likewise.
2124 ("sync_sub<mode>"): Likewise.
2125 ("sync_ior<mode>"): Likewise.
2126 ("sync_and<mode>"): Likewise.
2127 ("sync_xor<mode>"): Likewise.
2129 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2131 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2132 (remainder_optab): Define corresponding macro.
2133 (drem_optab): Remove.
2134 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2135 drem_optab initialization.
2136 * genopinit.c (optabs): Implement remainder_optab using
2137 remainder?f3 patterns. Remove drem_optab.
2138 * builtins.c (expand_builtin_mathfn_2): Handle
2139 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2140 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2141 expand_builtin_mathfn_2.
2143 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2144 depend on flag_unsafe_math_optimizations.
2146 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2147 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2148 Do not depend on flag_unsafe_math_optimizations. Use
2149 truncxf?f expander instead of truncxf?f_i387_noop.
2151 ("fpremxf4", "fprem1xf4"): Do not depend on
2152 flag_unsafe_math_optimizations.
2153 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2154 flag_unsafe_math_optimizations. Use truncxf?f expander
2155 instead of truncxf?f_i387_noop.
2157 * doc/md.texi (fmod, remainder): Document standard named pattern.
2159 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2160 David Daney <ddaney@avtrex.com>
2163 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2165 2006-10-25 Ben Elliston <bje@au.ibm.com>
2167 * doc/extend.texi (Variable Attributes): Typo fix.
2169 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2171 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2172 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2173 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2174 (FRAME_POINTER_REGNUM): Update register number to 21.
2175 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2176 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2178 * config/i386/i386.c (regclass_map): Add fpcr entry.
2179 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2181 (print_reg): Assert REGNO (x) != FPCR_REG.
2183 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2184 (DIRFLAG_REG): Renumber.
2185 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2186 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2187 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2188 hardcoded SSE register numbers.
2190 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2191 hardcoded MMX register numbers.
2193 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2196 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2197 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2199 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2200 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2201 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2202 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2204 2006-10-24 Richard Guenther <rguenther@suse.de>
2207 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2208 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2209 for deciding optimizations in consistency with fold-const.c
2210 (fold_builtin_unordered_cmp): Likewise.
2212 2006-10-24 Richard Guenther <rguenther@suse.de>
2214 * builtins.c (fold_builtin_floor): Fold floor (x) where
2215 x is nonnegative to trunc (x).
2216 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2217 nonnegative to FIX_TRUNC_EXPR.
2219 2006-10-24 Richard Guenther <rguenther@suse.de>
2221 PR tree-optimization/29567
2222 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2223 for TRUTH_NOT_EXPR. Clarify comments.
2225 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2228 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2229 at compile-time using MPFR. Change parameter VALUE to FUNC,
2231 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2232 for overflow and underflow at all times and avoid folding in
2235 2006-10-24 Ben Elliston <bje@au.ibm.com>
2237 * reload1.c: Formatting fixes.
2239 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2241 PR tree-optimization/14784
2242 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2243 * tree-ssa-structalias.c (get_constraint_for,
2244 intra_create_variable_infos): Set is_heapvar.
2245 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2246 non-heapvar pointer variables specially.
2248 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2252 fold_builtin_tan): Fold all constant arguments. Take a "type"
2253 argument as necessary.
2254 (do_mpfr_arg1): New.
2255 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2257 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2259 * config/xtensa/lib1funcs.asm: Use C-style comments.
2261 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2263 * tree.c (local_define_builtin): Replace calls to
2264 lang_hooks.builtin_function with add_builtin_function.
2265 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2267 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2269 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2270 common code to add_builtin_function.
2271 * langhooks.c (add_builtin_function): New function.
2272 (lhd_builtin_function): New function.
2273 * langhooks.h (struct lang_hooks): Change the signature of
2275 (add_builtin_function): New function.
2276 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2277 calls to lang_hooks.builtin_function with add_builtin_function.
2278 * c-common.c (decl_builtin_1): Replace calls to
2279 lang_hooks.builtin_function with add_builtin_function.
2280 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2281 lang_hooks.builtin_function with add_builtin_function.
2282 * config/frv/frv.c (def_builtin): Replace calls to
2283 lang_hooks.builtin_function with add_builtin_function.
2284 * config/s390/s390.c (s390_init_builtins): Replace calls to
2285 lang_hooks.builtin_function with add_builtin_function.
2286 * config/sparc/sparc.c (def_builtin): Replace calls to
2287 lang_hooks.builtin_function with add_builtin_function.
2288 * config/i386/i386.c (def_builtin): Replace calls to
2289 lang_hooks.builtin_function with add_builtin_function.
2290 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2291 lang_hooks.builtin_function with add_builtin_function.
2292 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2293 lang_hooks.builtin_function with add_builtin_function.
2294 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2295 Replace calls to lang_hooks.builtin_function with
2296 add_builtin_function.
2297 * config/iq2000/iq2000.c (def_builtin):
2298 Replace calls to lang_hooks.builtin_function with
2299 add_builtin_function.
2300 * config/ia64/ia64.c (def_builtin): Replace calls to
2301 lang_hooks.builtin_function with add_builtin_function.
2302 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2303 lang_hooks.builtin_function with add_builtin_function.
2304 (altivec_init_builtins): Replace calls to
2305 lang_hooks.builtin_function with add_builtin_function.
2306 * config/arm/arm.c (def_mbuiltin): Replace calls to
2307 lang_hooks.builtin_function with add_builtin_function.
2308 (arm_init_tls_builtins): Replace calls to
2309 lang_hooks.builtin_function with add_builtin_function.
2310 * config/mips/mips.c (mips_init_builtins): Replace calls to
2311 lang_hooks.builtin_function with add_builtin_function.
2312 * config/bfin/bfin.c (def_builtin): Replace calls to
2313 lang_hooks.builtin_function with add_builtin_function.
2314 * langhooks-def.h (lhd_builtin_function): New function.
2315 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2317 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2319 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2320 BUILT_IN_STRNCAT_CHK.
2322 2006-10-23 Jan Hubicka <jh@suse.cz>
2324 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2325 don't do conversion from memmove to memcpy here.
2326 (expand_builtin_bcopy, expand_builtin): Update call of
2327 expand_builtin_memmove.
2328 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2330 2006-10-23 Paul Brook <paul@codesourcery.com>
2332 * stor-layout.c (start_record_layout): maximum_field_alignment
2333 overrides STRUCTURE_SIZE_BOUNDARY.
2335 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2337 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2338 nonlocal function symbols if flag_pic.
2340 2006-10-23 Richard Guenther <rguenther@suse.de>
2344 * builtins.c (fold_binary): Remove checks for flag_wrapv
2345 and flag_trapv where negate_expr_p covers these cases.
2347 2006-10-23 Richard Guenther <rguenther@suse.de>
2350 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2351 of two on the absolute value.
2352 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2353 and negating -C does not overflow.
2355 2006-10-23 Richard Guenther <rguenther@suse.de>
2358 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2359 only if not flag_rounding_math.
2361 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2362 Kaz Kojima <kkojima@gcc.gnu.org>
2365 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2366 SImode memory reference for the source of a movua.
2367 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2368 (movua): Use an unspec instead of sign_extract. Expect the source
2369 to have mode BLKmode.
2370 (extv, insv): Use a BLKmode rather than SImode memory reference
2371 for the source of a movua.
2373 2006-10-22 Jeff Law <law@redhat.com>
2374 Richard Guenther <rguenther@suse.de>
2376 PR tree-optimization/15911
2377 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2378 (register_edge_assert_for_1): Likewise.
2379 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2380 (find_conditional_asserts): Adjust for new function signature.
2381 (find_assert_locations): Likewise.
2383 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2385 * config/i386/tmmintrin.h: Remove the duplicated content.
2387 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2389 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2390 (x86_64-*-*): Likewise.
2392 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2393 (override_options): Check SSSE3.
2394 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2395 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2396 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2397 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2398 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2399 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2400 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2401 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2402 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2403 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2404 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2405 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2406 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2407 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2408 IX86_BUILTIN_PABSD128.
2409 (bdesc_2arg): Add SSSE3.
2410 (bdesc_1arg): Likewise.
2411 (ix86_init_mmx_sse_builtins): Support SSSE3.
2412 (ix86_expand_builtin): Likewise.
2413 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2415 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2416 (UNSPEC_PSIGN): Likewise.
2417 (UNSPEC_PALIGNR): Likewise.
2418 Include mmx.md before sse.md.
2420 * config/i386/i386.opt: Add -mssse3.
2422 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2423 (ssse3_phaddwv4hi3): Likewise.
2424 (ssse3_phadddv4si3): Likewise.
2425 (ssse3_phadddv2si3): Likewise.
2426 (ssse3_phaddswv8hi3): Likewise.
2427 (ssse3_phaddswv4hi3): Likewise.
2428 (ssse3_phsubwv8hi3): Likewise.
2429 (ssse3_phsubwv4hi3): Likewise.
2430 (ssse3_phsubdv4si3): Likewise.
2431 (ssse3_phsubdv2si3): Likewise.
2432 (ssse3_phsubswv8hi3): Likewise.
2433 (ssse3_phsubswv4hi3): Likewise.
2434 (ssse3_pmaddubswv8hi3): Likewise.
2435 (ssse3_pmaddubswv4hi3): Likewise.
2436 (ssse3_pmulhrswv8hi3): Likewise.
2437 (ssse3_pmulhrswv4hi3): Likewise.
2438 (ssse3_pshufbv16qi3): Likewise.
2439 (ssse3_pshufbv8qi3): Likewise.
2440 (ssse3_psign<mode>3): Likewise.
2441 (ssse3_psign<mode>3): Likewise.
2442 (ssse3_palignrti): Likewise.
2443 (ssse3_palignrdi): Likewise.
2444 (abs<mode>2): Likewise.
2445 (abs<mode>2): Likewise.
2447 * config/i386/tmmintrin.h: New file.
2449 * doc/extend.texi: Document SSSE3 built-in functions.
2451 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2453 2006-10-22 Ira Rosen <irar@il.ibm.com>
2455 * tree-vect-transform.c (vectorizable_load): Use the type of the
2456 return value of the mask_for_load builtin to create realign_load
2459 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2461 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2464 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2466 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2467 (UNSPEC_LDDQU): This.
2468 * config/i386/sse.md (sse3_lddqu): Updated.
2470 2006-10-21 Richard Guenther <rguenther@suse.de>
2472 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2473 (expand_builtin): Use it to expand lrint instead of
2474 expand_builtin_mathfn.
2476 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2479 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2480 flag_unsafe_math_optimizations is set.
2482 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2485 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2486 patterns to use memory input operand in x87->mem->XMM
2487 reload sequences. Skip transformation for TARGET_K8.
2489 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2491 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2492 force operand1 to register if both operands are memory operands.
2493 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2494 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2495 if both operands are memory operands.
2496 (truncdfsf2): Do not force operand1 to register if both operands
2497 are memory operands.
2499 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2501 * Makefile.in (LIBS): Add $(GMPLIBS).
2502 * doc/install.texi: Update GMP and MPFR requirements.
2503 * doc/sourcebuild.texi (need_gmp): Delete.
2505 2006-10-21 Richard Guenther <rguenther@suse.de>
2507 PR tree-optimization/3511
2508 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2509 got new invariant arguments during PHI translation.
2511 2006-10-21 Richard Guenther <rguenther@suse.de>
2514 * fold-const.c (fold_comparison): Fold signed comparisons
2515 of the form X +- C1 CMP Y +- C2.
2517 2006-10-21 Richard Guenther <rguenther@suse.de>
2520 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2521 if flag_unsafe_math_optimizations is specified. We have
2522 flag_finite_math_only for that.
2523 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2524 or flag_unsafe_math_optimizations.
2526 2006-10-21 Richard Guenther <rguenther@suse.de>
2528 * builtins.c (fold_builtin_classify): Fix typo.
2530 2006-10-21 Richard Guenther <rguenther@suse.de>
2533 * simplify-rtx.c (simplify_const_relational_operation):
2534 Do not constant-fold ORDERED and UNORDERED for
2535 flag_unsafe_math_optimizations but only we do not need to
2536 honor NaNs for the given mode.
2538 2006-10-21 Richard Guenther <rguenther@suse.de>
2541 * config/i386/i386.c (classify_argument): Remove redundant
2542 walking of the BINFOs.
2543 (contains_128bit_aligned_vector_p): Likewise.
2545 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2547 * BASE-VER: Set to 4.3.0.
2549 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2551 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2552 (tree_decl_with_vis): Remove artificial_pta_var flag.
2553 * tree-flow.h (referenced_var_check_and_insert): Expose.
2554 (nonlocal_all): New prototype.
2555 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2556 (nonlocal_all): Make global.
2557 (nonlocal_lookup): Remove.
2558 (nonlocal_insert): Ditto.
2559 (create_nonlocal_var): Do not call nonlocal_insert.
2560 (get_nonlocal_id_for_type): Remove.
2561 (find_global_initializers): Mark new vars we find for renaming.
2562 (intra_create_variable_infos): Only create one nonlocal.
2563 (expand_nonlocal_solutions): Remove.
2564 (compute_points_to_sets): Don't call it.
2565 (ipa_pta_execute): Ditto.
2566 (init_alias_heapvars): Don't create nonlocal_for_type.
2567 (delete_alias_heapvars): Don't remove it.
2568 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2571 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2573 * doc/install.texi (Downloading GCC): Clarify mention of
2574 Fortran in the "full distribution" description.
2576 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2578 Fix PR tree-optimization/28778
2579 Fix PR tree-optimization/29156
2580 Fix PR tree-optimization/29415
2581 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2582 (tree_decl_with_vis): Add artificial_pta_var flag.
2583 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2584 pushed into callers.
2585 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2586 (nonlocal_all): Ditto.
2587 (struct variable_info): Add directly_dereferenced member.
2588 (var_escaped_vars): New variable.
2589 (escaped_vars_tree): Ditto.
2590 (escaped_vars_id): Ditto.
2591 (nonlocal_vars_id): Ditto.
2592 (new_var_info): Set directly_dereferenced.
2593 (graph_size): New variable
2594 (build_constraint_graph): Use graph_size.
2595 (solve_graph): Don't process constraints that cannot change the
2596 solution, don't try to propagate an empty solution to our
2598 (process_constraint): Set directly_dereferenced.
2599 (could_have_pointers): New function.
2600 (get_constraint_for_component_ref): Don't process STRING_CST.
2601 (nonlocal_lookup): New function.
2602 (nonlocal_insert): Ditto.
2603 (create_nonlocal_var): Ditto.
2604 (get_nonlocal_id_for_type): Ditto.
2605 (get_constraint_for): Allow results vector to be empty in the case
2606 of string constants.
2607 Handle results of calls properly.
2608 (update_alias_info): Update alias info stats on number and type of
2610 (find_func_aliases): Use could_have_pointers.
2611 (make_constraint_from_escaped): Renamed from
2612 make_constraint_to_anything, and changed to make constraints from
2614 (make_constraint_to_escaped): New function.
2615 (find_global_initializers): Ditto.
2616 (create_variable_info_for): Make constraint from escaped to any
2617 global variable, and from any global variable to the set of
2619 (intra_create_variable_infos): Deal with escaped instead of
2620 pointing to anything.
2621 (set_uids_in_ptset): Do type pruning on directly dereferenced
2623 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2624 (init_base_vars): Fix comment, and initialize escaped_vars.
2625 (need_to_solve): Removed.
2626 (find_escape_constraints): New function.
2627 (expand_nonlocal_solutions): Ditto.
2628 (compute_points_to_sets): Call find_escape_constraints and
2629 expand_nonlocal_solutions.
2630 (delete_points_to_sets): Don't fall off the end of the graph.
2631 (init_alias_heapvars): Initialize nonlocal_for_type and
2633 (delete_alias_heapvars): Free nonlocal_for_type and null out
2636 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2638 * fold-const.c (add_double): Rename to add_double_with_sign.
2639 Add 'unsigned_p' parameter and take it into account for the overflow.
2640 (mul_double): Rename to mul_double_with_sign.
2641 Add 'unsigned_p' parameter and take it into account for the overflow.
2642 (fold_div_compare): Call add_double_with_sign instead of add_double
2643 and mul_double_with_sign instead of mul_double, passing them the
2644 unsignedness of the type.
2645 * tree.h (add_double): Macroize.
2646 (add_double_with_sign): New prototype.
2647 (mul_double): Macroize.
2648 (mul_double_with_sign): New prototype.
2650 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2652 * config/score/crti.asm: New file.
2653 * config/score/crtn.asm: New file.
2654 * config/score/elf.h: New file.
2655 * config/score/mac.md: New file.
2656 * config/score/misc.md: New file.
2657 * config/score/mul-div.S: New file.
2658 * config/score/predicates.md: New file.
2659 * config/score/score7.md: New file.
2660 * config/score/score.c: New file.
2661 * config/score/score-conv.h: New file.
2662 * config/score/score.h: New file.
2663 * config/score/score.md: New file.
2664 * config/score/score-mdaux.c: New file.
2665 * config/score/score-mdaux.h: New file.
2666 * config/score/score-modes.def: New file.
2667 * config/score/score.opt: New file.
2668 * config/score/score-protos.h: New file.
2669 * config/score/score-version.h: New file.
2670 * config/score/t-score-elf: New file.
2671 * config.gcc: Add score*-*-* configurations(Update before).
2672 * doc/invoke.texi (Score Options): New section.
2673 * doc/md.texi (Score family): New section to document constraints.
2675 2006-10-19 Nick Clifton <nickc@redhat.com>
2677 * config/arm/arm.c: Fix spelling typo.
2679 2006-10-18 Tom Tromey <tromey@redhat.com>
2681 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2683 2006-10-18 Jan Hubicka <jh@suse.cz>
2686 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2689 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2691 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2692 TSI_SAME_STMT, since that's the desired entity.
2694 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2696 * config/s390/contraints.md: New file.
2697 * config/s390/s390-protos.h (s390_mem_constraint,
2698 s390_O_constraint_str, s390_N_constraint_str,
2699 s390_float_const_zero_p): Function prototypes added.
2700 * config/s390/s390.c (s390_extra_constraint_str,
2701 s390_const_double_ok_for_constraint_p,
2702 s390_const_ok_for_constraint_p): Functions removed.
2703 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2704 s390_float_const_zero_p): New functions.
2705 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2706 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2707 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2708 Macro definitions removed.
2709 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2710 s390_extra_constraint_str): Functions removed.
2712 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2713 Richard Sandiford <richard@codesourcery.com>
2716 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2717 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2719 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2721 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2722 (DWARF2_FRAME_REG_OUT): Likewise.
2723 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2724 (DWARF2_FRAME_REG_OUT): Likewise.
2726 2006-10-17 Paul Brook <paul@codesourcery.com>
2728 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2730 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2732 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2733 Standardize on "GNU Fortran" as the official name of the Fortran
2736 2006-10-16 Mike Stump <mrs@apple.com>
2738 * doc/invoke.texi (Darwin Options): Document -mkernel.
2739 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2741 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2742 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2743 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2744 (OS_MISSING_ALTIVEC): Add.
2745 * config/i386/i386.c (override_options): Add
2746 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2747 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2748 -mkernel, -static or -mdynamic-no-pic is given.
2749 (C_COMMON_OVERRIDE_OPTIONS): Add.
2750 * config/darwin.opt (fapple-kext): Add.
2752 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2753 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2755 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2756 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2757 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2758 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2759 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2760 (flag_mkernel): Add.
2761 (flag_apple_kext): Add.
2762 (TARGET_KEXTABI): Add.
2763 * config/darwin.c (darwin_handle_kext_attribute): Add.
2764 (DARWIN_VTABLE_P): Add.
2765 (darwin_binds_local_p): Add partial support for rebinding vtables
2767 (darwin_kextabi_p): Add.
2768 (darwin_override_options): Add.
2769 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2770 (darwin_kextabi_p): Add.
2771 (darwin_override_options): Add.
2772 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2773 __DYNAMIC__ and __STATIC__ here.
2775 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2777 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2778 Added mention of "make pdf" target, and Texinfo requirements for
2781 2006-10-16 DJ Delorie <dj@redhat.com>
2783 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2784 into the GOT in case we need a subreg of the address.
2786 2006-10-16 Richard Guenther <rguenther@suse.de>
2789 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2790 SSE builtin documentation. Document SSE2 builtins.
2792 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2794 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2795 symbol in the output file for non-shared links when -nostdlib or
2796 -nodefaultlibs isn't specified.
2798 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2799 posix thread support.
2801 2006-10-15 Jan Hubicka <jh@suse.cz>
2804 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2805 declared always_inline even when not inlining.
2807 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2808 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2809 Andrew Pinski <pinskia@gmail.com>
2812 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2814 2006-10-15 Jan Hubicka <jh@suse.cz>
2815 Richard Guenther <rguenther@suse.de>
2818 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2819 process_function_and_variable_attributes on all variables, including
2820 those discovered during cgraph construction phase.
2822 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2824 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2826 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2828 * config/i386/athlon.md (athlon_fist): Add fisttp.
2830 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2831 Ian Lance Taylor <ian@airs.com>
2834 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2835 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2838 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2840 * config/score/score.c, config/score/score.h: Fix comment
2843 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2846 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2849 2006-10-13 Eric Christopher <echristo@apple.com>
2851 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2853 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2856 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2857 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2858 alignment supported by 32-bit ELF.
2860 2006-10-13 Eric Christopher <echristo@apple.com>
2862 * config/darwin.c (darwin_emit_unwind_label): Strip
2863 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2865 2006-10-13 Richard Guenther <rguenther@suse.de>
2867 PR tree-optimization/29446
2868 * tree-vrp.c (fix_equivalence_set): Remove.
2869 (extract_range_from_assert): Do not call fix_equivalence_set.
2870 (debug_value_range): Print a newline.
2871 (compare_name_with_value): For equivalence sets with
2872 inconsistent value ranges conservatively bail out.
2873 (compare_names): Likewise.
2875 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2877 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2878 and MPFR for gfortran.
2880 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2882 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2883 alignment supported by 32-bit ELF.
2885 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2889 * c-typeck.c (digest_init): Always allow initializing vectors
2890 that have static storage duration with compound literals.
2891 * tree.c (build_type_attribute_qual_variant): New, based on
2892 build_type_attribute_variant.
2893 (build_type_attribute_variant): Rewrite using the former.
2894 (make_vector_type): Use build_type_attribute_qual_variant to build
2895 type variants. Use type_hash_canon on the others.
2897 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2898 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2900 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2902 2006-10-12 Jan Hubicka <jh@suse.cz>
2905 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2906 current_function_decl is set but current_function_scope is not.
2908 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2910 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2911 emit_insn to emit eh_return_internal instruction.
2912 (eh_return_internal): Explicitly set pc.
2914 2006-10-11 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/28230
2917 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2918 to the correct place.
2920 2006-10-11 Richard Guenther <rguenther@suse.de>
2923 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2926 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2928 * configure.ac: Added pdf to "Make-hooks"
2929 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2930 targets and *.pdf file patterns in cleanup targets.
2931 * configure: Regenerated.
2933 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2935 * config/avr/predicates.md: New file.
2936 * config/avr/avr.md: Include it.
2937 (REG_SP): New constant.
2938 (peepholes): Use predicates.
2939 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2940 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2941 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2943 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2945 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2948 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2951 * builtins.c (var_decl_component_p): New function.
2952 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2953 single entry optimization to variables and components thereof.
2955 2006-10-10 Richard Guenther <rguenther@suse.de>
2957 PR rtl-optimization/29323
2958 * except.c (set_nothrow_function_flags): For functions
2959 that do not bind local bail out early.
2961 2006-10-10 Ben Elliston <bje@au.ibm.com>
2963 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2966 2006-10-09 Richard Henderson <rth@redhat.com>
2968 Revert emutls patch.
2970 2006-10-09 Richard Guenther <rguenther@suse.de>
2973 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2976 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2979 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2980 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2981 * configure: Regenerate.
2982 * config.in: Regenerate.
2984 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2986 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2988 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2990 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2991 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2992 Remove stray newline.
2994 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2996 * config/mips/mips.c (mips_classify_symbol): Do not return
2997 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2998 (mips_in_small_data_p): Tweak comments.
3000 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3002 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3004 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3006 * gimplify.c, sched-int.h: Fix comment typos.
3008 * sched-int.h: Fix comment typos.
3010 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3012 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3014 * sched-ebb.c (begin_schedule_ready): Use them.
3015 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3016 add_to_speculative_block, create_check_block_twin, speculate_insn,
3017 fix_jump_move, move_block_after_check): Ditto.
3018 * sched-rgn.c (new_ready): Ditto.
3020 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3022 PR rtl-optimization/29128
3023 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3024 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3025 allow interblock movement of speculation checks.
3027 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3030 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3031 casted to integer type.
3032 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3033 if they are significantly more expensive than [reg + index] ones.
3035 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3037 PR tree-optimization/29330
3038 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3039 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3040 on newly allocated ddrs.
3041 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3042 to VEC (loop_p, heap) pointer.
3043 (compute_data_dependences_for_loop): Adjust caller.
3044 (free_dependence_relations): Free DDR_LOOP_NEST.
3046 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3047 free DEPENDENCE_RELATIONS and DATAREFS.
3050 * builtins.c (expand_builtin_sync_operation,
3051 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3052 Use convert_to_mode to handle promoted arguments.
3054 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3056 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3058 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3060 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3062 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3064 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3065 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3066 Use <modeconstraint> instead of "r" as operand 1 constraint.
3068 2006-10-06 Olivier Hainque <hainque@adacore.com>
3070 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3071 Don't recurse on the pointed-to type.
3072 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3073 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3074 types with components of variable size.
3076 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3078 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3080 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3082 PR tree-optimization/29290
3083 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3087 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3088 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3091 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3092 the number of vector elements fill the rest with zeros.
3094 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3096 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3097 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3100 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3102 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3103 unnamed pattern into subsi3. Use correct constraints/predicates.
3104 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3105 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3107 2006-10-05 Ira Rosen <irar@il.ibm.com>
3109 * doc/loop.texi: Add data references analysis description.
3111 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3113 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3115 2006-10-04 Richard Henderson <rth@redhat.com>
3116 Jakub Jelinek <jakub@redhat.com>
3118 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3119 * builtin-types.def (BT_WORD): Make unsigned.
3120 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3121 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3122 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3123 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3124 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3125 * cgraph.c (decide_is_variable_needed): Look at force_output.
3126 Recurse for emulated tls.
3127 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3128 checks redundant with decide_is_variable_needed.
3129 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3130 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3132 * expr.c (emutls_var_address): New.
3133 (expand_expr_real_1): Expand emulated tls.
3134 (expand_expr_addr_expr_1): Likewise.
3135 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3136 * output.h (emutls_finish): Declare.
3137 * toplev.c (compile_file): Call it.
3138 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3139 address before wrapping in CONST.
3140 * varasm.c (emutls_htab, emutls_object_type): New.
3141 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3142 (get_emutls_object_name, get_emutls_object_type): New.
3143 (get_emutls_init_templ_addr, emutls_decl): New.
3144 (emutls_common_1, emutls_finish): New.
3145 (assemble_variable): When emulating tls, swap decls; generate
3146 constructor for the emutls objects.
3147 (do_assemble_alias): When emulating tls, swap decl and target name.
3148 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3150 * emutls.c: New file.
3151 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3152 tls_object for real tls.
3154 2006-10-04 Zack Weinberg <zackw@panix.com>
3156 Fix bug in constraint-check generator, reported by Rask Ingemann
3158 * genpreds.c (add_constraint): Don't remove anything from the
3160 (write_tm_constrs_h): Detect whether "op" argument is used, and
3161 mark it ARG_UNUSED if it isn't.
3162 (write_insn_const_int_ok_for_constraint): Skip the part of the
3163 expression that would test whether "op" (which is not available
3164 here) is a CONST_INT.
3166 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3169 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3171 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3173 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3174 current Leopard versions.
3175 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3177 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3179 * doc/install.texi: Fix typos.
3181 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3183 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3184 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3185 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3187 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3189 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3190 arg to be struct mach_header_64* instead.
3192 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3195 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3196 side effects after the outer expression's post side effects.
3198 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3200 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3201 comments to reflect actual behavior and relationship between
3202 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3204 * doc/c-tree.texi (Working with declarations): Fix documentation
3205 of FIELD_DECL likewise.
3207 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3210 * doc/extend.texi: Add used variable attribute description.
3212 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3215 * c.opt (Woverride-init): New.
3216 * c-opts.c (c_common_post_options): Default warn_override_init to
3218 * c-typeck.c (add_pending_init, output_init_element): Warn for
3219 overriding initializers without side effects.
3220 * doc/invoke.texi (-Woverride-init): Document.
3223 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3225 PR rtl-optimization/28096
3226 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3227 assignment has already been used as a destination earlier in the block.
3229 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3231 * builtins.c (expand_builtin_setjmp): Delete.
3232 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3233 <BUILT_IN_SETJMP_SETUP>: New case.
3234 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3235 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3236 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3237 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3238 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3239 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3240 (lower_function_body): Initialize it to false. If it is set to true
3241 at the end of the processing, emit the setjmp dispatcher.
3242 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3243 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3244 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3245 on the rhs of the assignment.
3246 (lower_builtin_setjmp): New function.
3247 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3248 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3249 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3250 to detect calls that can go to non-local labels. Use specific
3251 helper to create the abnormal edges associated with them.
3252 <MODIFY_EXPR>: Likewise.
3253 (make_abnormal_goto_edges): New function extracted from...
3254 (make_goto_expr_edges): ...here. Call it for computed gotos.
3255 (simple_goto_p): Minor tweak.
3256 (tree_can_make_abnormal_goto): New predicate.
3257 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3258 (tree_purge_dead_abnormal_call_edges): New function.
3259 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3260 (tree_purge_dead_abnormal_call_edges): Likewise.
3261 (make_abnormal_goto_edges): Likewise.
3262 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3263 Purge all dead abnormal edges if the call was in the last statement.
3264 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3265 (execute_fixup_cfg): If there are non-local labels in the function,
3266 scan the basic blocks and split them at calls that can go to non-local
3267 labels or add missing abnormal call edges. Write down the CFG in the
3269 (pass_fixup_cfg): Remove TODO_dump_func flag.
3270 * unwind-sjlj.c: Poison setjmp.
3271 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3272 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3273 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3274 (DONT_USE_BUILTIN_SETJMP): Document it.
3276 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3279 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3280 to 1 when __ppc64__ is defined.
3281 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3283 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3285 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3287 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3288 * config/ia64/unwind-hpux.c: Delete.
3290 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3292 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3293 on the element before gimplifying it, instead of punting if it is of
3296 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3298 * doc/loop.texi: New file.
3299 * doc/gccint.texi: Reference loop.texi.
3300 * Makefile.in (loop.texi): Add.
3302 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3304 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3306 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3307 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3309 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3311 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3313 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3315 * doc/install.texi: Document required versions of GMP and MPFR.
3317 2006-09-27 Paul Brook <paul@codesourcery.com>
3320 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3322 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3324 * reload1.c (alter_reg): Require the alignment of the stack slot to
3325 be at least reg_max_ref_width bytes.
3326 (scan_paradoxical_subregs): Record the largest width in
3329 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3333 * tree-nested.c (struct nesting_info): Added static_chain_added.
3334 (convert_call_expr): Set static_chain_added when adding static
3335 chain. Handle OMP_PARALLEL and OMP_SECTION.
3337 2006-09-25 Matthias Klose <doko@debian.org>
3339 * doc/invoke.texi: Add missing full stop.
3341 2006-09-25 Richard Henderson <rth@redhat.com>
3343 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3344 before cgraph_function_flags_ready.
3346 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3347 Adam Nemet <anemet@caviumnetworks.com>
3349 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3350 determine_common_wider_type): New functions.
3351 (get_computation_aff): Use them to simplify arithmetic between
3352 UBASE and CBASE if they are shortened from the same type.
3354 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3357 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3358 -2147483647 - 1 instead of 0x80000000.
3360 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3362 * flags.h (HONOR_NANS): Fix typo in comment.
3364 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3366 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3368 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3372 * tree.c (merge_attributes, attribute_list_contained): If both
3373 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3375 * c-typeck.c (comptypes_internal): Don't consider aggregates
3376 in different TUs as compatible if there one set of attributes is
3377 not a subset of the other type's attributes.
3378 (composite_type): Try harder not to create a new aggregate type.
3380 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3382 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3383 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3384 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3385 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3386 than replicating condition above.
3387 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3389 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3390 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3391 the linker by default.
3393 2006-09-22 Mike Stump <mrs@apple.com>
3395 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3398 2006-09-22 Richard Guenther <rguenther@suse.de>
3401 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3402 sort of stack variables stable.
3404 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3407 * explow.c (force_reg): Set REG_POINTER flag according to
3410 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3412 PR tree-optimization/28888
3413 * tree-if-conv.c (combine_blocks): Rewritten.
3414 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3415 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3417 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3419 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3422 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3424 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3426 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3428 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3430 2006-09-21 Roger Sayle <roger@eyesopen.com>
3433 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3434 dw_fde_current_label, to be the start of the function, i.e. the same
3435 value as dw_fde_begin.
3437 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3439 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3440 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3441 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3442 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3443 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3444 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3445 (abs<mode>2, neg<mode>2): Likewise.
3446 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3447 (*mips_abs_ps): New define_insn.
3449 2006-09-20 Josh Conner <jconner@apple.com>
3452 * calls.c (expand_call): Allow reuse of structure return stack
3455 2006-09-20 Paul Brook <paul@codesourcery.com>
3457 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3460 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3462 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3463 clean up terminology.
3465 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3468 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3469 with tablejumps in them.
3471 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3474 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3475 wrap it into TARGET_EXPR.
3477 2006-09-20 Eric Christopher <echristo@apple.com>
3479 * config/i386/i386.c (x86_fisttp): Remove.
3480 * config/i386/i386.h (x86_fisttp): Ditto.
3481 (TARGET_FISTTP): Ditto.
3483 2006-09-19 Eric Christopher <echristo@apple.com>
3485 * doc/tm.texi (OBJC_JBLEN): Describe.
3486 * config/i386/darwin.h (OBJC_JBLEN): Define.
3487 * config/rs6000/darwin.h: Ditto.
3489 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3491 PR rtl-optimization/21299
3492 * reload1.c (reload): Purge invalid ASMs in the final pass.
3494 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3497 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3498 pointers as legitimate constants.
3500 2006-09-19 Paul Brook <paul@codesourcery.com>
3503 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3505 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3507 PR tree-optimization/28887
3508 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3509 component parts from the reference.
3510 (gather_memory_references_ref): Record the reference without the
3511 nonaddressable component parts.
3513 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3516 * c-opts.c (c_common_handle_option): Ignore the -std options
3517 if the input language is assembly.
3519 2006-09-17 Ira Rosen <irar@il.ibm.com>
3522 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3524 (ptr_ptr_may_alias_p): Likewise.
3525 (record_record_differ_p): New function.
3526 (base_object_differ_p): Call record_record_differ_p.
3528 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3531 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3532 away for the expr argument.
3534 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3537 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3538 before using it for dumping after vectorizing loops.
3540 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3541 Jack Howarth <howarth@bromo.med.uc.edu>
3544 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3545 skip on error_mark_node.
3546 (rs6000_darwin64_record_arg_recurse): Likewise.
3548 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3550 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3551 * doc/rtl.texi: Remove related documentation.
3553 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3555 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3558 2006-09-15 Jim Wilson <wilson@specifix.com>
3560 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3561 Handle symbol offsets same as they are handled in ia64_expand_move
3564 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3566 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3567 Add forgotten parameter to the fprintf call.
3569 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3571 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3573 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3575 * doc/contrib.texi: Add my entry.
3577 2006-09-15 Nick Clifton <nickc@redhat.com>
3579 * doc/md.texi (Processor pipeline description): Fix typo in
3580 example of how to use the absence_set directive and reword the
3581 description to make it slightly easier to read.
3583 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3585 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3586 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3587 expanding the number of iterations.
3588 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3590 * cfgrtl.c (emit_insn_at_entry): New function.
3591 * rtl.h (emit_insn_at_entry): Declare it.
3592 * integrate.c (emit_initial_value_sets): Use it.
3594 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3596 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3598 (struct loop_work and related VEC declarations): Delete.
3599 (bfin_dump_loops): Print out new member bad.
3600 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3601 (bfin_scan_loop): Don't recurse.
3602 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3603 loops. No longer need to update outer loops if the current one is
3604 found bad. Move some validitiy checks to bfin_discover_loop.
3605 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3606 but changed not to check for nesting. Also changed to use the new bad
3608 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3609 time. Use bitmap based test to discover loop nesting.
3611 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3613 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3616 2006-09-14 Richard Guenther <rguenther@suse.de>
3617 Kazu Hirata <kazu@codesourcery.com>
3619 PR middle-end/28884.
3620 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3621 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3622 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3623 with TARGET_FUNCTION_VALUE.
3625 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3628 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3630 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3632 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3635 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3638 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3641 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3643 * basic_block.h (bb_has_eh_pred): Fix comment.
3645 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3647 * flow.c (calculate_global_regs_live): Invalidate eh registers
3648 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3649 (propagate_block): Handle eh registers as if they were set at basic
3651 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3653 * global.c (global_conflicts): Make eh registers to conflict with
3654 pseudos live at basic block begin.
3655 * basic_block.h (bb_has_eh_pred): New function.
3657 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3659 PR rtl-optimization/28982
3660 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3661 index of a PRE_MODIFY or POST_MODIFY address.
3662 * reload1.c (inc_for_reload): Use find_replacement on the original
3663 base and index registers.
3665 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3667 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3668 for -Os. Update __m128 alignment requirement.
3670 2006-09-13 Jan Hubicka <jh@suse.cz>
3672 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3674 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3676 PR rtl-optimization/28243
3677 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3678 the insn to which the note was originally attached.
3680 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3681 Roger Sayle <roger@eyesopen.com>
3683 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3684 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3685 on platforms that don't use dwarf for debug info.
3687 2006-09-12 Jason Merrill <jason@redhat.com>
3690 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3691 hard_frame_pointer_rtx after using it to update the frame pointer.
3693 2006-09-12 Roger Sayle <roger@eyesopen.com>
3695 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3696 (TARGET_ASM_CLOSE_PAREN): Likewise.
3697 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3698 (TARGET_ASM_CLOSE_PAREN): Likewise.
3700 2006-09-12 Roger Sayle <roger@eyesopen.com>
3703 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3704 frame information for frames larger than 512 Kbytes on Tru64 when
3705 using the native assembler.
3707 2006-09-12 Roger Sayle <roger@eyesopen.com>
3711 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3712 and symbols. Instead use the implementation from cse.c's hash_rtx.
3714 2006-09-12 Jan Hubicka <jh@suse.cz>
3716 PR rtl-optimization/28071
3717 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3718 (vect_transform_loop): Likewise.
3719 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3720 (new_loop_vec_info): Likewise.
3721 (destroy_loop_vec_info): Likewise.
3722 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3723 (create_stmt_ann): Likewise.
3724 (create_tree_ann): Rename to ...
3725 (create_tree_common_ann): ... this one; allocate only the common part
3727 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3728 (get_value_handle): Likewise.
3729 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3730 get_tree_common_ann.
3731 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3732 (vinfo_for_stmt): Use stmt annotations.
3733 * tree-flow.h (tree_ann_common_t): New type.
3734 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3735 (tree_ann, get_tree_ann, create_tree_ann): New.
3736 * tree-flow-inline.h (get_function_ann): Do more type checking.
3737 (stmt_ann): Likewise.
3738 (tree_ann): Rename to ...
3739 (tree_common_ann): ... this one; return ony common_ann
3740 (get_tree_ann): Rename to ...
3741 (tree_common_ann): This one; return only common_ann.
3742 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3745 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3747 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3748 with_cpu by default.
3750 * dwarf2out.c (dwarf_file_data): New.
3751 (enum dw_val_class): Add dw_val_class_file.
3752 (struct dw_val_struct): Add val_file.
3753 (file_table): Change to a hash table.
3754 (file_table_emitted): Delete.
3755 (file_table_last_lookup_index): Delete.
3756 (emitcount): Delete.
3757 (last_emitted_file): New.
3758 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3759 (init_file_table): Delete.
3760 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3761 (AT_addr): Add comment.
3765 (print_die): Handle dw_val_class_file.
3766 (print_dwarf_line_table): Update for new file table structure.
3767 (attr_checksum): Do checksum a filename.
3768 (same_dw_val_p, same_attr_p): Do compare a filename.
3769 (size_of_die): Handle dw_val_class_file.
3770 (value_format): Likewise.
3771 (output_die): Likewise. Also, call maybe_emit_file here.
3772 (struct file_info): Constify filenames. Make file_idx a pointer
3773 to a struct dwarf_file_data.
3774 (struct dir_info): Constify directory names. Remove 'used' field.
3775 (struct file_name_acquire_data): New.
3776 (file_name_acquire): New.
3777 (output_file_names): Modify to handle new file data structures.
3778 (add_src_coords_attributes): Use add_AT_file.
3779 (add_call_src_coords_attributes): Likewise.
3780 (dwarf2out_imported_module_or_decl): Likewise.
3781 (gen_subprogram_die): Modify for new file data structures.
3782 (gen_variable_die): Likewise.
3783 (file_table_eq): New.
3784 (file_table_hash): New.
3785 (file_table_last_lookup): New.
3786 (lookup_filename): Rewrite to handle new file data structures.
3787 (maybe_emit_file): Rewrite to handle new file data structures.
3788 (dwarf2out_source_line): Always call lookup_filename and
3790 (dwarf2out_init): Create file_table here.
3791 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3792 (file_table_relative_p): New.
3793 (dwarf2out_finish): Change detection of relative filenames
3794 to work with new file data structures. Move output_line_info call
3795 after debug_info output.
3797 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3802 * config/i386/i386.c (override_options): Always default to 16
3803 byte stack boundary.
3805 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3808 * var-tracking.c (dump_dataflow_set): Start dumping at
3810 (clobber_variable_part): Kill only the variable part in
3811 registers holding it, leaving other variables alone.
3813 2006-09-11 Josh Triplett <josh@freedesktop.org>
3815 * doc/extend.texi (Other Builtins): Actually use the macro
3816 argument in the documentation example for
3817 __builtin_types_compatible_p.
3819 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3821 PR rtl-optimization/28726
3822 * sched-deps.c (sched_analyze_reg): New function extracted from...
3823 (sched_analyze_1): ...here. Call it to analyze references to
3824 registers. Treat again writes to a stack register as writing to the
3826 (sched_analyze_2): ...and here. Call it to analyze references to
3827 registers. Treat again reads of a stack register as reading the
3830 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3831 David Edelsohn <edelsohn@gnu.org>
3834 * config/rs6000/spe.md (frob_df_di): Remove %H.
3835 (frob_di_df): Remove %H. Change evmergelo to mr.
3836 (frob_di_df_2): Remove %H. Change evldd to two loads.
3838 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3840 * doc/cpp.texi: Fix names of charset options.
3842 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3845 * config/i386/i386.c (override_options): Use 128-bit
3846 stack boundary always for 64bits.
3848 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3850 PR rtl-optimization/28636
3851 * combine.c (force_to_mode): Test for side-effects before
3852 substituting by zero.
3853 (simplify_shift_const): Likewise for zero or other constants.
3855 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3858 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3861 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3864 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3865 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3866 returned by mode_for_size, rather than the mode of src itself,
3867 to choose between 32-bit and 64-bit patterns.
3868 (mips_mem_fits_mode_p): New function.
3869 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3870 that the size of the source matches the size of the destination.
3871 (mov_<store>l, mov_<store>r): Likewise.
3873 2006-09-10 Eric Christopher <echristo@apple.com>
3875 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3878 2006-09-09 Eric Christopher <echristo@apple.com>
3881 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3884 2006-09-09 Roger Sayle <roger@eyesopen.com>
3885 Nicolas Setton <setton@adacore.com>
3887 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3889 2006-09-10 Andreas Schwab <schwab@suse.de>
3891 * config/m68k/m68k.md (bungt_rev): New pattern.
3893 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3894 Dale Johannesen <dalej@apple.com>
3897 * regclass.c (struct reg_pref): Update documentation.
3898 (regclass): Set prefclass to NO_REGS if memory is the best option.
3899 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3901 2006-09-08 Eric Christopher <echristo@apple.com>
3903 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3904 * config/t-slibgcc-darwin: Support x86_64 multilib.
3905 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3906 Return 1 for x86_64-darwin.
3907 * config/i386/t-darwin: Add m64 multilib.
3908 (LIB2_SIDITI_CONV_FUNCS): Use.
3909 (LIB2FUNCS_EXTRA): Ditto.
3910 * config/i386/darwin.h: Support x86_64.
3911 * config/i386/i386.c (override_options): Turn on flag_pic
3912 for x86_64-darwin. Disable flag_omit_pointer.
3913 (get_pc_thunk_name): Assert !TARGET_64BIT.
3914 (legitimate_address_p): Disable machopic addressing for
3916 (legitimize_pic_address): Ditto.
3917 (ix86_expand_move): Ditto.
3918 (ix86_expand_call): Ditto.
3919 (machopic_output_stub): Ditto.
3920 * config/darwin.c (machopic_select_section): Support literal16.
3921 (machopic_select_rtx_section): Ditto.
3922 * config/darwin-sections.def: Ditto.
3923 * config/darwin-64.c: New.
3925 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3928 * c-tree.h (struct c_arg_info): Add pending_sizes.
3929 * c-parser.c (c_parser_parms_declarator,
3930 c_parser_parms_list_declarator): Initialize pending_sizes.
3931 * c-decl.c (get_parm_info): Initialize pending_sizes.
3932 (get_parm_info): Set pending_sizes.
3933 (grokdeclarator): Call put_pending_sizes for parameters for
3934 function definition only.
3936 2006-09-07 Jason Merrill <jason@redhat.com>
3939 * varasm.c (output_constant): Only strip actual no-op conversions.
3942 * config/i386/i386.c (override_options): Use 128-bit
3943 stack boundary if -msse.
3945 2006-09-07 Eric Christopher <echristo@apple.com>
3947 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3949 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3952 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3954 * dwarf2out.c: Remove strange characters from comment above
3955 dwarf2out_frame_debug_expr.
3957 2006-09-07 Eric Christopher <echristo@apple.com>
3959 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3960 * config/darwin.h: ... to here.
3962 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3964 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3966 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3967 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3969 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3970 TARGET_PARTIAL_FLAG_REG_STALL.
3971 (*ashldi3_cconly_rex64): Likewise.
3972 (*ashlsi3_cmp): Likewise.
3973 (*ashlsi3_cconly): Likewise.
3974 (*ashlsi3_cmp_zext): Likewise.
3975 (*ashlhi3_cmp): Likewise.
3976 (*ashlhi3_cconly): Likewise.
3977 (*ashlqi3_cmp): Likewise.
3978 (*ashlqi3_cconly): Likewise.
3979 (*ashrdi3_cmp_rex64): Likewise.
3980 (*ashrdi3_cconly_rex64): Likewise.
3981 (*ashrsi3_cmp): Likewise.
3982 (*ashrsi3_cconly): Likewise.
3983 (*ashrsi3_cmp_zext): Likewise.
3984 (*ashrhi3_cmp): Likewise.
3985 (*ashrhi3_cconly): Likewise.
3986 (*ashrqi3_cmp): Likewise.
3987 (*ashrqi3_cconly): Likewise.
3988 (*lshrdi3_cmp_rex64): Likewise.
3989 (*lshrdi3_cconly_rex64): Likewise.
3990 (*lshrsi3_cmp): Likewise.
3991 (*lshrsi3_cconly): Likewise.
3992 (*lshrsi3_cmp_zext): Likewise.
3993 (*lshrhi3_cmp): Likewise.
3994 (*lshrhi3_cconly): Likewise.
3995 (*lshrqi2_cmp): Likewise.
3996 (*lshrqi2_cconly): Likewise.
3998 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4001 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4002 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4003 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4004 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4005 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4006 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4007 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4008 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4009 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4010 implement only CC setting effects of shift instructions.
4012 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4014 * doc/contrib.texi: Add myself.
4016 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4019 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4020 was set by the user.
4022 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4025 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4026 (divsi_inv_m1): Use them.
4027 (UNSPEC_DIV_INV_TABLE): New constant.
4029 2006-09-06 James E Wilson <wilson@specifix.com>
4032 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4033 then call count_or_remove_death_notes.
4035 2006-09-06 Jason Merrill <jason@redhat.com>
4038 * tree-inline.c (copy_result_decl_to_var): New fn.
4039 (declare_return_variable): Use it. Call declare_inline_vars here.
4040 (expand_call_inline): Not here.
4042 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4044 * doc/contrib.texi: Update my entry.
4046 2006-09-06 Nick Clifton <nickc@redhat.com>
4048 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4050 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4053 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4054 (canonicalize_induction_variables): Likewise.
4055 (tree_unroll_loops_completely): Likewise.
4056 (tree_ssa_prefetch_arrays): Likewise.
4057 (remove_empty_loops): Likewise.
4058 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4059 TODO_cleanup_cfg instead of directly calling
4060 cleanup_tree_cfg_loop.
4061 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4063 (tree_unroll_loops_completely): Likewise.
4064 (remove_empty_loops): Likewise.
4065 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4066 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4067 of tree_ssa_unswitch_loops.
4068 (tree_ssa_loop_ivcanon): Use the return value of
4069 canonicalize_induction_variables.
4070 (tree_ssa_empty_loop): Use the return value of
4072 (tree_complete_unroll): Use the return value of
4073 tree_unroll_loops_completely.
4074 (tree_ssa_loop_prefetch): Use the return value of
4075 tree_ssa_prefetch_arrays.
4076 * passes.c (execute_todo): Before Cleanup CFG, set
4077 updating_used_alone and after cleanup CFG, call
4078 recalculate_used_alone.
4080 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4083 * tree-vect-transform.c (vectorizable_condition): Move the check
4084 for the type after the check for simple condition.
4086 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4087 Kaz Kojima <kkojima@gcc.gnu.org>
4090 * mode-switching.c (optimize_mode_switching): Make the destination
4091 block of an abnormal edge have no anticipatable mode. Don't
4092 insert mode switching code at the end of the source block of
4095 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4097 PR rtl-optimization/26847
4098 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4099 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4100 (simplify_plus_minus): Count n_constants while filling ops. Replace
4101 qsort with insertion sort. Before going through the array to simplify
4102 pairs, sort it. Delay early exit until after the first sort, exiting
4103 only if no swaps occurred. Simplify pairs in reversed order, without
4104 special-casing the first iteration. Pack ops after simplifying pairs.
4106 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4108 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4109 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4110 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4111 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4113 2006-09-05 Richard Guenther <rguenther@suse.de>
4115 PR tree-optimization/28900
4116 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4117 compound conditional before creating COND_EXPR condition.
4119 2006-09-05 Richard Guenther <rguenther@suse.de>
4121 PR tree-optimization/28905
4122 * tree-vrp.c (fix_equivalence_set): Manually implement
4123 !value_ranges_intersect_p to also handle symbolic ranges.
4125 2006-09-05 Richard Guenther <rguenther@suse.de>
4128 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4131 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4133 PR rtl-optimization/27616
4134 * cse.c (table_size): New static variable.
4135 (new_basic_block): Initialize it to 0.
4136 (remove_from_table): Decrement it.
4137 (insert): Increment it.
4138 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4139 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4140 fold_rtx_mem_1 if under the cap.
4141 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4142 the lookup of the equivalent expression and test for equality of the
4143 first operand of the equivalent expression before in turn looking up
4144 an equivalent constant for the second operand.
4146 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4149 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4150 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4151 pointer, instead of assuming it is possible to derive the
4152 correct args size from a call insn.
4154 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4157 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4158 (fold_builtin_mempcpy): Rename to...
4159 (fold_builtin_memory_op): ... this. Optimize one element copy
4161 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4163 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4164 (expand_builtin_memcpy, expand_builtin_mempcpy,
4165 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4166 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4167 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4168 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4170 2006-09-01 DJ Delorie <dj@redhat.com>
4172 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4173 (stzx_16): Likewise.
4174 ("stzx_24_<mode>"): Likewise.
4175 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4176 ("cmp<mode>_op"): New.
4177 (cmp<mode>): Change to expander; just save operands.
4179 (b<code>): Change to expander, emit compare here.
4180 (s<code>_op): Change to use split and expander.
4181 (s<code>_24_op): Likewise.
4182 (s<code>_<mode>): New.
4183 (s<code>_<mode>_24): New.
4184 (movqicc_<code>_<mode): New.
4185 (movhicc_<code>_<mode>): New.
4188 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4189 (m32c_pend_compare): New.
4190 (m32c_unpend_compare): New.
4191 (m32c_expand_scc): New.
4192 (m32c_expand_movcc): Emit the compare also.
4193 * config/m32c/predicates.md (mra_nopp_operand): New.
4195 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4196 Richard Guenther <rguenther@suse.de>
4197 Adam Nemet <anemet@caviumnetworks.com>
4200 * builtins.c (get_pointer_alignment): Handle more forms
4201 of base addresses that can be used to derive more precise
4202 information about alignment.
4204 2006-09-01 Jason Merrill <jason@redhat.com>
4207 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4210 * gimplify.c (voidify_wrapper_expr): Handle null type.
4212 2006-09-01 Josh Conner <jconner@apple.com>
4215 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4216 (execute_return_slot_opt): Use it.
4218 2006-08-31 Josh Conner <jconner@apple.com>
4221 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4222 returning aggregates.
4224 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4226 PR tree-optimization/28839
4227 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4228 blocks in that phi arguments appear.
4230 2006-08-31 Roger Sayle <roger@eyesopen.com>
4233 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4234 NULL, otherwise use an advance_loc4 to adjust relative to the
4236 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4237 (dwarf2out_switch_text_section): Reset the current label to avoid
4238 using advance_loc4 over section boundaries.
4240 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4243 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4244 r12 + SYMBOLIC_CONST.
4246 2006-08-30 Richard Guenther <rguenther@suse.de>
4248 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4250 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4252 PR rtl-optimization/27735
4253 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4254 Add new argument to keep track of whether an irreducible region
4255 was affected. All callers changed.
4256 (fix_irreducible_loops): Removed.
4257 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4258 flags were invalidated.
4260 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4262 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4263 instead of SF operands.
4264 (*fop_df_comm_sse): Likewise.
4265 (*fop_df_comm_i387): Likewise.
4266 (*fop_df_1_mixed): Likewise.
4267 (*fop_df_1_sse): Likewise.
4269 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4270 J"orn Rennecke <joern.rennecke@st.com>
4272 PR tree-optimization/17506
4273 * tree-ssa.c (warn_uninit): If warning about a location outside of
4274 the current function, note where the variable was declared.
4276 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4278 PR tree-optimization/28411
4279 * double-int.c (double_int_div): Use double_int_divmod.
4280 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4281 double_int_mod, double_int_smod, double_int_umod): New functions.
4282 * double-int.h (double_int_divmod, double_int_sdivmod,
4283 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4285 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4287 (get_computation_aff, get_computation_cost_at): Handle double_int
4288 return type of constant_multiple_of.
4290 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4293 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4294 an implicit conversion.
4296 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4298 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4300 2006-08-27 Roger Sayle <roger@eyesopen.com>
4302 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4305 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4307 * config/i386/crtfastmath.c: Fix a comment typo.
4309 2006-08-26 Roger Sayle <roger@eyesopen.com>
4311 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4312 temporary visit flags on CASE_LABEL_EXPRs.
4313 * c-common.c (match_case_to_enum): Add function comment. Avoid
4314 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4315 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4316 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4317 a constant, only warn if that constant value isn't handled.
4319 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4322 * input.h (restore_input_file_stack): Declare.
4323 (INPUT_FILE_STACK_BITS): Define.
4324 * toplev.c (fs_p, input_file_stack_history,
4325 input_file_stack_restored, restore_input_file_stack): New.
4326 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4327 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4328 (pop_srcloc): Don't free old state of stack.
4330 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4333 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4334 (PowerPC Type Attributes): New.
4336 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4338 * config/xtensa/xtensa.c (function_arg_boundary): New.
4339 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4341 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4342 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4344 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4347 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4350 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4352 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4353 (verify_local_live_at_start): Likewise.
4355 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4358 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4359 omp_add_variable): Treat sizes as variable whenever not
4362 2006-08-26 Richard Guenther <rguenther@suse.de>
4365 * fold-const.c (fold_binary): Fold temporary to correct
4366 type before constructing new comparison.
4368 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4371 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4372 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4374 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4377 * c-decl.c (start_function): Don't try to process prototype
4378 information from old declaration that isn't a function.
4380 2006-08-25 Jan Hubicka <jh@suse.cz>
4383 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4385 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4388 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4391 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4393 PR tree-optimization/16876
4394 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4395 exit if PARM doesn't match VALUE.
4397 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4399 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4400 literal_prefix directive.
4401 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4402 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4403 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4405 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4408 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4409 predicate to general_operand. Add 0->y and I->r alternatives.
4411 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4413 * doc/tm.texi: Fix a typo.
4414 * predict.c: Fix comment typos.
4416 2006-08-25 Nick Clifton <nickc@redhat.com>
4418 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4419 assertions of "cpu" and "machine".
4421 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4424 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4425 the access through a base which has an alias set of 0 cannot
4428 2006-08-24 Bill Wendling <wendling@apple.com>
4430 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4432 2006-08-24 Jan Hubicka <jh@suse.cz>
4434 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4436 2006-08-24 Jan Hubicka <jh@suse.cz>
4439 * cgraph.c: Fix comments.
4440 (cgraph_varpool_mark_needed_node): Mark only variables not already
4442 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4443 (cgraph_varpool_assembled_nodes_queue): New static variable.
4444 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4445 (cgraph_varpool_output_debug_info): New function.
4446 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4447 * Makefile.in: Add gt-cgraphunit.h
4449 2006-08-24 Jan Hubicka <jh@suse.cz>
4451 * predict.c (probability_reliable_p): New predicate.
4452 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4453 (predict_loops): Do not predict loop exit with less than 2%
4455 * basic-block.h (edge_probability_reliable_p,
4456 br_prob_note_reliable_p): Declare.
4457 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4458 prediction when static predictor is not reliable.
4459 * rs6000.c (output_cbranch): Likewise.
4461 2006-08-23 Stuart Hastings <stuart@apple.com>
4464 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4465 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4467 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4470 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4471 complex values, nor for generic vector values.
4473 2006-08-22 Richard Guenther <rguenther@suse.de>
4476 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4477 parameter. Convert arguments to arithmetic expression to the
4479 (analyze_scalar_evolution_1): Adjust caller.
4481 2006-08-22 Jan Hubicka <jh@suse.cz>
4483 Patch by Paolo Bonzini
4484 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4487 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4489 PR tree-optimization/28003
4490 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4491 before grouping aliases.
4493 2006-08-22 Roger Sayle <roger@eyesopen.com>
4495 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4496 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4498 2006-08-21 Jason Merrill <jason@redhat.com>
4501 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4502 wrapper. Loop to handle nested wrappers.
4503 (gimplify_bind_expr): Remove temp parameter.
4504 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4505 and STATEMENT_LIST on the rhs.
4506 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4507 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4508 (gimplify_target_expr): Remove special BIND_EXPR handling.
4510 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4512 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4515 2006-08-21 Olivier Hainque <hainque@adacore.com>
4517 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4518 Arrange for the temporary captures of components overlapping the lhs
4519 to happen before the lhs is possibly cleared.
4521 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4523 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4524 necessary places to pass the correct "number of registers" values
4527 2006-08-20 Jan Hubicka <jh@suse.cz>
4529 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4530 (create_name_tags): Instead of quadratic checking use hashtable.
4531 * bitmap.h: Include hashtab.h.
4532 (bitmap_hash): Declare.
4533 * bitmap.c (bitmap_hash): New function.
4535 2006-08-20 Jan Hubicka <jh@suse.cz>
4537 PR rtl-optimization/28071
4538 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4540 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4541 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4542 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4543 cgraph_decide_inlining_incrementally): Update use of
4544 cgraph_check_inline_limits.
4545 * cgraph.c (edge_hash, edge_eq): New function.
4546 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4547 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4548 cgraph_remove_node): Maintain call site hash.
4549 * cgraph.h (struct cgraph_node): Add call_site_hash.
4550 (cgraph_set_call_stmt): New function.
4552 2006-08-20 Jan Hubicka <jh@suse.cz>
4554 PR rtl-optimization/28071
4555 * reload1.c (reg_has_output_reload): Turn into regset.
4556 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4557 choose_reload_regs, emit_reload_insns): Update to new
4558 reg_has_output_reload.
4560 2006-08-20 Jan Hubicka <jh@suse.cz>
4563 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4564 function body sizes.
4565 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4567 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4570 * tree.c (handle_dll_attribute): Return early if not a
4571 var or function decl.
4573 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4576 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4577 alignment of SPE vector types.
4579 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4581 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4583 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4586 * cgraph.h (struct cgraph_node): Remove externally_visible
4588 * cgraphunit.c (process_function_and_variable_attributes): Set
4589 local.externally_visible rather than externally_visible.
4592 * c-common.c (handle_externally_visible_attribute): First look
4593 at TREE_CODE and only if it is function or var decl, check for
4594 non-public objects. Don't warn for DECL_EXTERNAL.
4595 * cgraphunit.c (process_function_and_variable_attributes): Warn
4596 if externally_visible attribute is used on non-public object.
4598 2006-08-17 Jan Hubicka <jh@suse.cz>
4600 PR tree-optimization/27865
4601 * reload1.c (forget_marked_reloads): New function.
4602 (forget_old_reloads_1): When data are passed, just mark the registers
4604 (reload_as_needed): Use the new mechanizm.
4606 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4609 * reload.h (reg_equiv_alt_mem_list): New declaration.
4610 * reload1.c (reg_equiv_alt_mem_list): New definition.
4611 (reload): Initialize it and release it.
4612 (delete_output_reload): Use it.
4613 * reload.c (push_reg_equiv_alt_mem): New function.
4614 (find_reloads_toplev): Call it.
4615 (find_reloads_address, find_reloads_address_1): Likewise.
4616 (find_reloads_subreg_address): Likewise.
4618 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4620 PR rtl-optimization/28489
4621 * sched-ebb.c (begin_schedule_ready): Create basic block
4623 (advance_target_bb): Skip empty blocks.
4624 * haifa-sched.c (bb_note): Make global.
4625 * sched-int.h (bb_note): Add prototype.
4627 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4629 PR tree-optimization/27865
4630 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4632 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4633 fold_used_pointer, pointer_used_p): New functions.
4634 (analyze_scalar_evolution_1): Use fold_used_pointer.
4635 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4636 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4639 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4642 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4643 or the INTEGER_CST. Fail on a CALL_EXPR.
4644 (fold_offsetof): Pass new argument to fold_offsetof_1.
4645 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4646 operand into an INDIRECT_REF.
4647 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4649 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4651 PR gcov/profile/26570
4652 * value-prof.c (static_values): Removed.
4653 (tree_find_values_to_profile): Do not set static_values.
4654 (find_values_to_profile): Do not free static_values.
4655 * profile.c (instrument_values): Do not free the values.
4656 (branch_prob): Free the values.
4658 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4660 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4662 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4665 * c-typeck.c (build_component_ref): Combine qualifiers of
4666 structure or union and field.
4668 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4670 PR rtl-optimization/28071
4671 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4672 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4673 * tree-into-ssa.c (struct dom_dfsnum): New.
4674 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4676 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4677 compute_global_livein.
4678 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4679 in phi nodes in the correct blocks.
4681 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4683 PR tree-optimization/28364
4684 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4686 (fold_affine_expr): New function.
4687 (may_eliminate_iv): Use fold_affine_expr.
4689 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4692 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4695 2006-08-16 Mike Stump <mrs@apple.com>
4697 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4698 * doc/cppopts.texi (-MD): Likewise.
4700 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4703 * c-common.c (handle_weak_attribute): Ignore and warn if
4704 not a FUNCTION_ or VAR_DECL.
4706 2006-07-15 Mike Stump <mrs@apple.com>
4709 * c-parser.c (c_parser_typeof_specifier): Don't use
4710 c_finish_expr_stmt, open code desired semantics instead.
4712 2006-08-15 Nick Clifton <nickc@redhat.com>
4714 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4715 fragment to tmake_file only if threads are enabled.
4716 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4717 * config/i386/t-gthr-win32: New file. ... here.
4719 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4722 * c-parser.c (c_parser_compound_statement_nostart): Reset
4723 parser->error after each statement.
4725 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4728 * omp-low.c (lower_omp_parallel): Convert t to
4729 receiver_decl's type.
4730 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4731 source before comparison.
4734 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4735 to itype in assignment to oldival2.
4737 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4741 * c-typeck.c (build_compound_expr): If the second expression
4742 is an error mark, then just return an error mark instead of
4743 creating a COMPOUND_EXPR.
4745 2006-07-14 Mike Stump <mrs@apple.com>
4747 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4749 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4751 * c-decl.c, var-tracking.c: Fix comment typos.
4753 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4755 PR rtl-optimization/28634
4756 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4757 for floating-point modes unless flag_unsafe_math_optimizations.
4759 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4760 Andrew Pinski <pinskia@physics.uc.edu>
4763 * tree.c (build_array_type): Unify array types with
4764 unspecified index_type.
4765 * c-decl.c (grokdeclarator): Make sure we do not modify a
4766 unified incomplete array type.
4767 * c-typeck.c (store_init_value): Create distinct type before
4768 filling in the index type in an initializer from a compound
4771 * c-decl.c (grokdeclarator): Remove code where we copy the
4774 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4776 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4777 into account for TODO_dump_cgraph.
4778 (TODO_update_ssa_no_phi): Likewise.
4779 (TODO_update_ssa_full_phi): Likewise.
4780 (TODO_update_ssa_only_virtuals): Likewise.
4781 (TODO_remove_unused_locals): Likewise.
4782 (TODO_set_props): Likewise.
4783 (TODO_update_stmt_usage): Likewise.
4785 2006-08-13 Dirk Mueller <dmueller@suse.de>
4787 * c-common.c (strict_aliasing_warning): Fix formatting.
4789 2006-08-13 Matthias Klose <doko@debian.org>
4791 * doc/invoke.texi: Fix spelling errors.
4793 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4795 PR rtl-optimization/23454
4796 * reorg.c (relax_delay_slots): Update comment.
4798 2006-08-11 Richard Guenther <rguenther@suse.de>
4801 * simplify-rtx.c (simplify_const_relational_operation):
4802 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4805 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4807 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4808 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4810 2006-08-10 Paul Brook <paul@codesourcery.com>
4812 * final.c (final_scan_insn): Clear current_insn_predicate before
4813 outputting inline asm.
4815 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4817 PR tree-optimization/26197
4818 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4819 get_ref_base_and_extent and overlap_subvar to add only relevant
4820 subvars as may-aliases.
4821 (add_may_alias_for_new_tag): New function, factored out of
4823 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4824 with additional argument.
4825 * tree-flow.h (new_type_alias): Takes additional argument.
4827 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4829 * gcov.c (no_data_file): New flag.
4830 (read_count_file): Set it if data file not present. Assume counts
4832 (output_lines): Don't name the data file, if there wasn't one.
4834 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4836 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4837 (rs6000_generate_compare): Tweak comments.
4838 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4840 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4842 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4843 (var_debug_decl): New function.
4844 (var_reg_set): Follow debug decl link. Add location even if
4845 reg is already known to hold some other variable.
4846 (var_mem_set): Follow debug decl link.
4847 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4848 decl link. Delete other known locations of the variable part
4850 (var_reg_delete, var_mem_delete): Delete other known locations
4851 of the variable part if requested.
4852 (same_variable_part_p): New function.
4853 (add_stores): Select MO_COPY when appropriate.
4854 (vt_initialize): Handle it.
4855 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4856 known locations for MO_SET and MO_CLOBBER.
4857 (find_variable_location_part): New function.
4858 (set_variable_part, delete_variable_part): Use it.
4859 (clobber_variable_part): New function.
4860 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4863 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4865 PR tree-optimization/26969
4866 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4867 with an empty list of PHIs.
4869 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4873 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4876 2006-08-06 Andreas Schwab <schwab@suse.de>
4878 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4879 string. Whitespace and comment fixup.
4881 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4884 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4888 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4891 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4893 2006-08-04 Jan Hubicka <jh@suse.cz>
4897 * reload.c (push_reload): Patch out the mismatching instruction;
4899 (find_reload): Bail out if the instruction was patched out.
4901 2006-08-04 Jan Hubicka <jh@suse.cz>
4903 PR tree-optimization/24888
4904 * tree-inline.c (expand_call_inline): Do not re-record variables.
4905 (declare_inline_vars): Add variable to unexpanded_var_list.
4907 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4908 Roger Sayle <roger@eyesopen.com>
4910 PR rtl-optimization/26244
4911 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4912 inner_const are negative or greater than or equal to the bitsize of
4913 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4914 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4915 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4916 CONST0_RTX (mode) when the new shift count is greater than or equal to
4917 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4920 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4922 * tree-cfg.c: Fix a comment typo.
4924 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4927 * varasm.c (output_constant): Give the front end another chance to
4928 expand constants, after stripping NOPs.
4930 2006-08-03 Jan Hubicka <jh@suse.cz>
4932 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4935 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4937 PR tree-optimization/27770
4938 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4939 declaration removed (moved to tree-flow.h).
4940 (vect_can_force_dr_alignment_p): Likewise.
4941 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4942 (moved from tree-vectorizer.h).
4943 (vect_can_force_dr_alignment_p): Likewise.
4944 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4945 from outside the vectorizer - in particular from cgraph stage.
4946 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4947 the alignment of global arrays when -fsection-anchors is enabled.
4948 * cgraphunit.c (cgraph_increase_alignment): New function.
4949 (cgraph_optimize): Call cgraph_increase_alignment.
4951 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4954 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4955 not reload a SPE symbol_ref into a lo_sum address.
4957 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4960 * dwarf2out.c (prune_unused_types_prune): Move call to
4961 prune_unused_types_update_strings to cover the parent DIE also.
4963 2006-08-02 Jan Hubicka <jh@suse.cz>
4965 PR gcov/profile/28480
4966 * tree-cfg.c (change_bb_for_stmt): New function.
4967 (tree_merge_blocks, tree_split_blocks): Use it.
4969 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4975 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4976 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4977 (cgraph_optimize): Likewise.
4979 2006-08-01 Stuart Hastings <stuart@apple.com>
4981 * rtl.h (UINTVAL) New.
4982 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4983 * testsuite/gcc.dg/20060801-1.c: New.
4985 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4988 * c-typeck.c (build_external_type): Mark used enum types.
4989 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4991 (gen_subprogram_die): Whitespace fix.
4993 2006-08-01 Jan Hubicka <jh@suse.cz>
4995 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4996 bitmap when not needed.
4997 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5000 2006-08-01 Dirk Mueller <dmueller@suse.de>
5002 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5004 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5006 * Makefile.in: Revert part of previous patch:
5007 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5010 2006-07-30 Eric Christopher <echristo@apple.com>
5013 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5014 (PowerPC Variable Attributes): New section.
5016 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5018 PR target/28126 (partial fix)
5019 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5021 2006-07-28 Jan Hubicka <jh@suse.cz>
5023 PR rtl-optimization/28071
5024 * cfgrtl.c (rtl_delete_block): Free regsets.
5025 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5027 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5029 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5030 and variables used in dependencies.
5032 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5034 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5035 %fs for -mcmodel=kernel.
5036 (stack_tls_protect_test_di): Likewise.
5038 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5040 * Makefile.in: Use mkinstalldirs.
5042 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5045 * opts-common.c (prune_options): Skip joined switches.
5047 2006-07-27 Jan Hubicka <jh@suse.cz>
5049 PR rtl-optimization/28071
5050 * cselib.c (cselib_process_insn): Don't remove useless values too
5051 often for very large hashtables.
5053 2006-07-27 Jan Hubicka <jh@suse.cz>
5055 PR rtl-optimization/28071
5056 * global.c (greg_obstack): New obstack.
5057 (allocate_bb_info): Use it.
5058 (free_bb_info): Likewise.
5059 (modify_reg_pav): Likewise.
5061 2006-07-27 Roger Sayle <roger@eyesopen.com>
5063 * builtins.c (fold_fixed_mathfn): When long and long long are the
5064 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5065 functions to their lceil*, lfloor*, lround* and lrint* forms.
5067 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5070 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5072 (rev_branch_insn): Likewise.
5074 2006-07-27 Jan Hubicka <jh@suse.cz>
5076 PR rtl-optimization/28071
5077 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5078 (reg_set_in_bb, max_reg_computed): New static variables.
5079 (regmove_optimize): Free the new array.
5080 (fixup_match_1): Update call of reg_is_remote_constant_p.
5082 2006-07-26 Jan Hubicka <jh@suse.cz>
5084 PR tree-optimization/27882
5085 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5087 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5089 (cgraph_analyze_compilation_unit): Likewise.
5090 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5091 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5092 (cgraph_early_inlinine): Make order garbage collected.
5093 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5095 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5097 * dbxout.c (output_types_sort): Add a comment.
5098 (output_used_types): Free the VEC.
5100 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5102 * function.c (reorder_fix_fragments): Delete.
5103 (reorder_blocks): Don't call it.
5104 (reorder_blocks_1): Put all subblocks under the origin block.
5106 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5108 PR rtl-optimization/27907
5109 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5112 2006-07-25 Roger Sayle <roger@eyesopen.com>
5115 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5116 bar(x) check that bar's result type can represent all the values of T.
5118 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5120 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5122 2006-07-25 Nick Clifton <nickc@redhat.com>
5124 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5125 size_lookup[] array.
5126 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5127 (ggc_pch_count_object): Likewise.
5128 (ggc_pch_alloc_object): Likewise.
5129 (ggc_pch_write_object): Likewise.
5130 (init_ggc): Do not attempt to initialize entries in the
5131 size_lookup[] array for objects whose size is greater than than
5132 the length of the array.
5134 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5136 * dbxout.c (output_used_types_helper): Push queued types
5138 (output_types_sort): New.
5139 (output_used_types): Collect used types on a VEC and sort them
5142 2006-07-24 Richard Guenther <rguenther@suse.de>
5145 * cgraph.c (cgraph_remove_node): Do not check if dumps
5147 * cgraphunit.c (cgraph_optimize): Likewise.
5149 2006-07-24 Jan Hubicka <jh@suse.cz>
5151 PR rtl-optimization/28071
5152 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5153 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5154 splitting before first stmt.
5156 2006-07-24 Jan Hubicka <jh@suse.cz>
5158 PR rtl-optimization/28071
5159 * ipa-inline.c (update_caller_keys): Remove edges that
5160 are no longer inline candidates.
5162 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5165 * dbxout.c (output_used_types_helper, output_used_types): New.
5166 (dbxout_symbol): Call output_used_types.
5168 2006-07-23 Jan Hubicka <jh@suse.cz>
5172 * cgraph.c (cgraph_varpool_nodes): Export.
5173 (decide_is_variable_needed): Ignored "used" attribute in
5174 unit-at-a-time mode.
5175 * cgraph.h (cgraph_varpool_nodes): Declare.
5176 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5177 unit-at-a-time mode.
5179 2006-07-23 Roger Sayle <roger@eyesopen.com>
5182 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5183 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5184 the __gthrw form of thr_keycreate.
5185 (__gthread_key_delete): Silence the unused argument warning.
5187 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5190 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5191 Cache the last found '\0' marker to avoid quadratic behavior.
5193 2006-07-23 Jan Hubicka <jh@suse.cz>
5195 * i386.md (subsi_3_zext): Fix output template.
5197 2006-07-21 Mike Stump <mrs@apple.com>
5199 * doc/invoke.texi (C++ Dialect Options): Note that
5200 -fvisibility-inlines-hidden doesn't affect explicitly
5201 instantiationed inline methods.
5203 2006-07-20 Roger Sayle <roger@eyesopen.com>
5205 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5206 if the target assembler is GNU binutils' gas.
5207 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5208 whether to pass GNU gas or native as command line options.
5210 2006-07-20 Jason Merrill <jason@redhat.com>
5212 * tree.c (remove_attribute): New fn.
5213 * tree.h: Declare it.
5215 2006-07-20 Paul Brook <paul@codesourcery.com>
5218 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5219 they are invalidated by this instruction.
5221 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5224 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5226 2006-07-20 Eric Christopher <echristo@apple.com>
5229 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5231 2006-07-19 Eric Christopher <echristo@apple.com>
5233 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5234 Rewrite dependencies for libgcc_s.1.dylib.
5236 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5238 * except.c (duplicate_eh_regions_1): Clear next_peer.
5240 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5242 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5243 -mlongcall does not guarantee all calls will be long.
5244 * doc/extend.texi (long_call/short_call): Document that longcall
5245 does not guarantee a long call will be used.
5246 (longcall/shortcall): Likewise.
5248 2006-07-18 Roger Sayle <roger@eyesopen.com>
5251 * expmed.c (expand_shift): Additionally check that the shift_cost
5252 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5253 before implementing a LSHIFT_EXPR as a sequence of additions.
5254 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5255 middle-end that DImode shifts need to be synthesized by expand.
5257 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5260 * tree-ssa-operands.c (access_can_touch_variable): Update
5262 Return true if ALIAS is .GLOBAL_VAR.
5264 2006-07-18 David Daney <ddaney@avtrex.com>
5266 * gcc.c (display_help): Fix typo in help text.
5268 2006-07-18 Olivier Hainque <hainque@adacore.com>
5270 * tree.h (categorize_ctor_elements): Adjust prototype and add
5271 descriptive comment, both in accordance with the interface change
5273 * varasm.c (constructor_static_from_elts_p): New function.
5274 Whether a constructor node is a valid static constant initializer
5275 if all its elements are.
5276 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5277 * output.h: Declare it.
5278 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5279 is a valid constant initializer instead of computing the number of
5280 non-constant elements. Use constructor_static_from_elts_p for this
5281 purpose. Replace the head comment with an indication that this is a
5282 helper for categorize_ctor_elements.
5283 (categorize_ctor_elements): Same interface change as for the _1
5284 helper. Former head comment from this helper moved here, adjusted to
5285 account for the interface changes.
5286 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5287 (all_zeros_p): Likewise.
5288 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5289 static versions of the constructor from the categorize_ctor_elements
5290 return value instead of the formerly computed number of non-constant
5293 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5295 * configure: Regenerate.
5296 * Makefile.in (build_libsubdir): New configure substitution
5297 (build_libobjdir): New variable.
5298 (BUILD_LIBIBERTY): Use it.
5300 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5303 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5305 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5308 * c-common.c (handle_weakref_attribute): Ignore attribute in
5309 the same conditions the alias attribute is ignored.
5311 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5313 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5314 (dbxout_begin_prologue): Increment scope_labelno.
5316 2006-07-17 Richard Henderson <rth@redhat.com>
5319 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5322 2006-07-17 Roger Sayle <roger@eyesopen.com>
5323 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5325 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5326 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5327 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5328 functions such as sbrk, write, etc.. Add function prototypes.
5329 Convert function declarations from K&R to ISO C. Cast pointers
5330 to "long" and "unsigned long" instead of "int" and "unsigned int".
5331 Convert tokens following #endif into comments.
5333 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5335 * invoke.texi: Remove mention of f77; Reformat table for
5336 inline parameter options correctly; mention that -malign-double
5337 is default on x86-64 targets.
5339 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5341 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5342 (convert_affine_scev, chrec_convert_aggressive): Use
5343 avoid_arithmetics_in_type_p. Do not check for the subtypes
5346 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5349 * optabs.c (expand_doubleword_shift): Wrap the call to
5350 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5352 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5355 * optabs.c (expand_binop): Pass next_methods rather than methods
5356 to expand_doubleword_shift.
5358 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5361 * tree.h (dump_addr): Declare.
5362 * print-tree.c (dump_addr): New function.
5363 (print_node_brief, print_node): Use it.
5364 * print-rtl.c (print_rtx): Likewise.
5365 * common.opt (-fdump-noaddr): New option.
5366 * doc/invoke.texi (-fdump-noaddr): Document.
5367 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5368 (ve_info_hash): Likewise.
5370 2006-07-13 Andrew Haley <aph@redhat.com>
5372 PR tree-optimization/19505
5373 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5374 edge leaving this block, make sure that the destination of this
5375 block has only one predecessor.
5377 2006-07-17 Richard Guenther <rguenther@suse.de>
5379 PR tree-optimization/28238
5380 * tree-inline.c (copy_bb): Check if we produced valid
5381 gimple copying and substituting a stmt. If not, gimplify
5384 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5386 * optabs.c (maybe_encapsulate_block): New function extracted from...
5387 (emit_libcall_block): ...here. Invoke it on the block of insns to
5388 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5389 (emit_no_conflict_block): Likewise.
5391 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5393 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5395 2006-07-15 Roger Sayle <roger@eyesopen.com>
5397 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5398 a new NOP_EXPR case of the switch statement.
5400 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5403 * stor-layout.c (place_field): Take the bit field with
5404 an excessive size into account in the ms-bitfiled case.
5407 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5408 the previous bit field.
5410 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5413 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5415 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5417 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5418 signal frames correctly even when the signal was installed with
5421 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5423 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5424 (dbxout_function_end): Use local label LFBB. Remove hook
5426 (dbxout_source_line): Use local label LFBB.
5427 (dbxout_block): Likewise.
5428 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5429 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5430 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5431 and DBX_OUTPUT_NFUN.
5433 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5435 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5437 2006-07-13 Jan Hubicka <jh@suse.cz>
5439 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5441 * output.h (align_variable): Declare.
5442 * varasm.c (align_variable): Export.
5443 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5444 when basic block changed.
5446 2006-07-13 Nick Clifton <nickc@redhat.com>
5448 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5449 walking the LOG_LINKS chain.
5451 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5453 * doc/invoke.texi (C++ Dialect Options): Explain difference
5454 between -fvisibility-inlines-hidden and setting hidden
5455 visibility explicitly.
5457 2006-07-12 Eric Christopher <echristo@apple.com>
5459 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5460 (stmp-lipo): Depend on libgcc.a.
5462 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5464 * tree.c: Fix a comment typo.
5466 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5468 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5470 (umulhisi3_r): Likewise.
5472 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5475 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5476 x < 19, vs wchar_t support.
5478 2006-07-12 Nick Clifton <nickc@redhat.com>
5480 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5481 instead of -isa=sh4.
5483 2006-07-12 Mike Stump <mrs@apple.com>
5485 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5487 2006-07-10 Eric Christopher <echristo@apple.com>
5489 * config/t-slibgcc-darwin: Rewrite.
5491 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5494 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5497 2006-07-08 Matthias Klose <doko@debian.org>
5499 * doc/sourcebuild.texi: Fix typo.
5501 2006-07-07 Mike Stump <mrs@apple.com>
5503 * toplev.c (process_options): Don't give -ffunction-sections may
5504 affect debugging warning for Mach-O.
5506 2006-07-07 James E Wilson <wilson@specifix.com>
5508 * config/mips/mips.md (cpu): Add sb1a.
5509 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5510 addition to sb1. Adjust comments to clarify SB-1A differences from
5512 (ir_sb1a_load): New. Modify bypasses to use it.
5513 (ir_sb1a_simple_alu): Likewise.
5514 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5515 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5516 (mips_issue_rate): Add PROCESSOR_SB1A.
5517 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5518 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5519 (TARGET_SB1): Add PROCESSOR_SB1A check.
5520 (TUNE_SB1): Likewise.
5522 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5523 * config/mips/mips.c (mips_store_data_bypass_p): New.
5524 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5525 store_data_bypass_p.
5527 2006-07-08 Paul Brook <paul@codesourcery.com>
5530 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5532 2006-07-07 Richard Guenther <rguenther@suse.de>
5535 * tree.h (build_one_cst): Declare.
5536 * tree.c (build_one_cst): New function.
5537 * tree-ssa-math-opts.c (get_constant_one): Remove.
5538 (insert_reciprocals): Use build_one_cst.
5539 * fold-const.c (fold_plusminus_mult): Likewise.
5541 2006-07-07 Roger Sayle <roger@eyesopen.com>
5543 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5544 * cfgloopanal.c (dump_graph): Likewise.
5545 * dojump.c (discard_pending_stack_adjust): Likewise.
5546 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5548 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5549 * function.c (finalize_block_changes): Likewise.
5550 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5551 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5552 * rtl.c (dump_rtx_statistics): Likewise.
5553 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5555 * varray.c (dump_varray_statistics): Likewise.
5556 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5557 decode_decimal64, encode_decimal128, decode_decimal128,
5558 decimal_real_to_decimal): Likewise.
5560 2006-07-07 Richard Guenther <rguenther@suse.de>
5562 PR tree-optimization/28187
5563 * tree-vrp.c (vrp_operand_equal_p): New function.
5564 (vrp_bitmap_equal_p): Likewise.
5565 (update_value_range): Use them to compare old and new
5568 2006-07-06 Roger Sayle <roger@eyesopen.com>
5570 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5571 a default case to switch statement to silence compiler warnings.
5573 2006-07-06 Roger Sayle <roger@eyesopen.com>
5576 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5577 the configured assembler supports the x87's ffreep mnemonic.
5578 * configure: Regenerate.
5579 * config.in: Regenerate.
5581 * config/i386/i386.c (output_387_ffreep): New function.
5582 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5583 (output_387_reg_move): Likewise.
5585 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5587 Port to hosts whose 'sort' and 'tail' implementations
5588 treat operands with leading '+' as file names, as POSIX
5589 has required since 2001. However, make sure the code still
5590 works on pre-POSIX hosts.
5591 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5592 which says you should use "tail -c +N" rather than "tail +Nc".
5593 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5595 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5597 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5600 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5603 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5604 PRE_{INC,DEC} of TFmode.
5606 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5607 Alan Modra <amodra@bigpond.net.au>
5610 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5613 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5616 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5617 Remove duplicate gtu.
5619 2006-07-05 Jason Merrill <jason@redhat.com>
5623 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5624 * c-common.c (handle_packed_attribute): So don't copy it here.
5625 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5627 2006-07-05 Mike Stump <mrs@apple.com>
5629 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5631 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5634 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5636 2006-07-05 Richard Guenther <rguenther@suse.de>
5639 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5640 TARGET_SSE2 targets if using SSE math.
5641 (*absdf2_1): Likewise.
5643 2006-07-05 Richard Guenther <rguenther@suse.de>
5645 PR tree-optimization/28162
5646 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5647 make sure to convert the operands to the correct type.
5649 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5651 PR tree-optimization/28218
5653 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5654 to calculate and free the dominator information.
5656 2006-07-04 Peter O'Gorman <peter@pogma.com>
5658 * mklibgcc.in: chmod 644 before ranlib during install.
5660 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5661 J"orn Rennecke <joern.rennecke@st.com>
5663 * configure.ac (.eh_frame data check): Use diff -b.
5665 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5668 * Makefile.in (BUILD_RTL): Add build/vec.o.
5669 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5670 (build/genextract): Delete.
5671 (build/genautomata): Likewise.
5673 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5676 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5677 128-bit IBM long doubles for ABI_V4.
5679 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5681 * tree.c (range_in_array_bounds_p): New predicate.
5682 * tree.h (range_in_array_bounds_p): Declare it.
5683 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5684 return a less conservative answer.
5685 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5686 and flag 'is_group'.
5687 (IS_ELEMENT_FOR_GROUP): New macro.
5688 (FOR_EACH_ACTUAL_CHILD): Likewise.
5689 (next_child_for_group): New helper function.
5690 (can_completely_scalarize_p): Take into account groups.
5691 (sra_hash_tree): Handle RANGE_EXPR.
5692 (sra_elt_eq): Likewise.
5693 (lookup_element): Be prepared for handling groups.
5694 (is_valid_const_index): Delete.
5695 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5696 instead of is_valid_const_index.
5697 <ARRAY_RANGE_REF>: New case.
5698 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5699 is_valid_const_index.
5700 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5701 (scan_dump): Dump info for groups too.
5702 (decide_instantiation_1): Likewise.
5703 (decide_block_copy): Assert that the element is not a group.
5704 Propagate decision to groups.
5705 (generate_one_element_ref): Handle RANGE_EXPR.
5706 (mark_no_warning): Iterate over actual childs.
5707 (generate_copy_inout): Likewise.
5708 (generate_element_copy): Likewise.
5709 (generate_element_zero): Likewise.
5710 (generate_element_init_1): Likewise.
5711 (dump_sra_elt_name): Handle RANGE_EXPR.
5713 2006-07-03 Roger Sayle <roger@eyesopen.com>
5715 PR tree-optimization/26251
5716 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5717 (thread_block): When optimizing for size refuse to thread jumps
5718 that would require duplication of blocks other than redirection
5721 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5723 * configure.ac: Fix thinko in previous check-in.
5724 * configure: Regenerate.
5726 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5729 * configure.ac (for lang...): Simplify nesting of conditionals.
5730 Test subdir_requires for non-enabled languages. Move processing
5731 of lang_opt_files and lang_tree_fiels below that test.
5732 * configure: Regenerate.
5733 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5735 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5737 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5739 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5741 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5744 2006-06-29 Jason Merrill <jason@redhat.com>
5751 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5752 * c-common.c (c_determine_visibility): Handle it here.
5753 * c-decl.c (finish_decl): Call c_determine_visibility for
5755 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5757 * varasm.c (default_assemble_visibility): Likewise.
5758 * c-common.c (handle_visibility_attribute): Complain about trying
5759 to give visibility to an already defined class, or trying to change
5760 declared visibility. Always attach the attribute.
5765 * attribs.c (decl_attributes): Ignore type-in-place attributes
5766 once the type has been defined.
5768 2006-06-29 Roger Sayle <roger@eyesopen.com>
5771 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5772 to indicate the cpplib has issued an error message for us.
5774 2006-06-29 Asher Langton <langton2@llnl.gov>
5777 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5778 insert a label at the end of an function under Mach-O.
5780 2006-06-29 Eric Christopher <echristo@apple.com>
5781 Evan Cheng <evan.cheng@apple.com>
5783 * predicates.md (vector_all_ones_operand): New.
5784 (nonimmediate_or_sse_const_operand): Ditto.
5785 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5786 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5787 (standard_sse_mode_p): Ditto.
5788 (standard_sse_constant_p): Add case for -1 vector.
5789 (ix86_expand_vector_move): Try to use.
5790 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5791 Call standard_sse_constant_opcode.
5792 (*movv4sf_internal): Ditto.
5793 (*movv2df_internal): Ditto.
5795 2006-06-29 Roger Sayle <roger@eyesopen.com>
5797 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5798 of XEXP to extract the operands of a MATCH_CODE rtx.
5800 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5802 * tree.c (tree_size): Do not waste tail padding in
5803 struct tree_string and make the size be the same as
5804 build_string will generate.
5806 2006-06-28 Jason Merrill <jason@redhat.com>
5809 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5810 may_aliases already in the tag's annotations to the bitmap.
5812 2006-06-28 Roger Sayle <roger@eyesopen.com>
5814 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5816 2006-06-28 Roger Sayle <roger@eyesopen.com>
5818 * genpreds.c (generate_switch_p): New function.
5819 (add_mode_tests): Push the new mode test down inside an AND expr
5820 if this allows the switch-suitable MATCH_CODE to be near the root.
5821 (write_match_code_switch): New function to write a MATCH_CODE as
5823 (write_predicate_stmts): New function to write a predicate RTX
5824 expression as a sequence of statements.
5825 (write_one_predicate_function): Use write_predicate_stmts.
5826 (write_tm_constrs_h): Likewise.
5828 2006-06-26 Fred Fish <fnf@specifix.com>
5830 * config/mips/t-sb1: New file.
5831 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5834 2006-06-26 DJ Delorie <dj@redhat.com>
5836 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5838 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5839 Jayant Sonar <jayants@kpitcummins.com>
5840 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5842 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5843 (subsi3, subsi3_1, subsi3_2): New.
5844 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5845 * config/m32c/mov.md (SI mov peephole): New.
5846 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5847 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5849 2006-06-26 Olivier Hainque <hainque@adacore.com>
5851 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5852 a CALL_EXPR target function declaration.
5854 2006-06-26 Richard Guenther <rguenther@suse.de>
5856 * tree.c (build_string): Do not waste tail padding in
5859 2006-06-26 Richard Guenther <rguenther@suse.de>
5861 * ggc-page.c (init_ggc): Add missing element to size_lookup
5865 2006-06-23 Richard Guenther <rguenther@suse.de>
5867 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5868 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5869 alignment requests instead. Add verification code.
5870 Add struct tree_function_decl and struct tree_binfo size to
5871 extra_order_size_table. Add missing element to size_lookup
5874 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5877 * fold-const.c (const_binop): Be prepared for self returning zero.
5878 Simplify code handling complex values.
5880 2006-06-24 Olivier Hainque <hainque@adacore.com>
5882 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5883 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5886 2006-06-24 Olivier Hainque <hainque@adacore.com>
5888 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5889 ARRAY_REF, so have the callback called for the low bound expression.
5891 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5893 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5894 * c-typeck.c (c_common_type): Disallow operations on decimal float
5895 types and other float types.
5896 * convert.c (convert_to_real): Don't ignore conversions involving
5897 decimal float types.
5899 2006-06-23 Olivier Hainque <hainque@adacore.com>
5901 * tree.c (max_int_size_in_bytes): New function, inspired from
5902 code in function.c:assign_temp.
5903 * tree.h (max_int_size_in_bytes): Declare.
5904 * function.c (assign_temp): Use it.
5905 * gimplify.c (create_tmp_var): Relax the assertions on the type
5906 properties, not mandating constant size any more.
5907 (force_constant_size): New static function.
5908 (gimple_add_tmp_var): Use it, forcing variable size to a
5909 constant upper bound if it is not constant on entry.
5911 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5914 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5915 for initialization and setting of one_only flag to ...
5916 (i386_pe_encode_section_info): ...here.
5917 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5918 Recheck that the symbol has not been defined.
5920 2006-06-23 Richard Guenther <rguenther@suse.de>
5922 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5923 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5924 alignment requests instead. Add verification code.
5925 Add struct tree_function_decl and struct tree_binfo size to
5926 extra_order_size_table. Add missing element to size_lookup
5929 2006-06-22 Roger Sayle <roger@eyesopen.com>
5930 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5933 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5934 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5936 2006-06-23 Ben Elliston <bje@au.ibm.com>
5938 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5939 negate dn -- manipulate it directly.
5941 2006-06-22 Roger Sayle <roger@eyesopen.com>
5942 Steven Bosscher <stevenb.gcc@gmail.com>
5945 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5946 generated by gen_move_insn to add REG_LABEL notes if necessary.
5948 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5950 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5951 (leaf_entry): Remove use of MIN_ESA.
5953 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5955 PR rtl-optimization/28121
5956 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5959 2006-06-21 DJ Delorie <dj@redhat.com>
5961 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5963 (mulhisi3_r): Likewise.
5965 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5968 * coverage.c (coverage_counter_alloc): Leave the index type
5970 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5973 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5975 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5976 section from the "Options for Code Generation Conventions".
5978 2006-06-21 Richard Henderson <rth@redhat.com>
5982 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5984 (global_symbolic_operand): Allow weak symbols, even if local_p.
5986 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5988 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5989 (find_interesting_uses_address): Punt if above function returns true.
5991 2006-06-21 Richard Guenther <rguenther@suse.de>
5993 * configure: Regenerated.
5995 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5997 * config/mips/mips.c (function_arg): Where one part of a
5998 complex argument is in registers and the other part in the stack,
5999 return a REG not a PARALLEL.
6001 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6003 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6004 when cross-compiling. Do not substitute libstdcxx_incdir.
6005 * configure: Regenerated.
6007 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6009 * varasm.c (mergeable_string_section): Check for embedded NULs and
6010 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6011 rather than TREE_STRING_LENGTH bytes.
6013 2006-06-21 Richard Guenther <rguenther@suse.de>
6015 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6016 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6019 2006-06-21 Richrad Guenther <rguenther@suse.de>
6021 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6022 Limit iteration over the dominators.
6024 2006-06-20 Roger Sayle <roger@eyesopen.com>
6026 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6027 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6029 2006-06-20 Richard Guenther <rguenther@suse.de>
6030 Michael Matz <matz@suse.de>
6032 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6034 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6035 * et-forest.h (et_free_pools): Prototype new function.
6036 * et-forest.c (et_free_tree_force): Free parent occurrence.
6037 (et_free_pools): New function.
6038 * dominance.c (free_dominance_info): Free et-forest alloc
6041 2006-06-20 Roger Sayle <roger@eyesopen.com>
6043 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6044 integer modes, attempt to directly construct an integer constant.
6046 * fold-const.c (native_encode_vector): Determine the size of each
6047 element from the vector type instead of the first vector element.
6049 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6050 if all of its elements/components are constant.
6051 (build_constructor_from_list): Likewise.
6053 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6055 PR tree-optimization/27331
6056 * tree-data-ref.c (free_data_ref): New function.
6057 (create_data_ref): Fail if the data reference has unknown access
6059 (free_data_refs): Use free_data_ref.
6061 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6064 * tree-inline.c (setup_one_parameter): Strip useless
6065 type conversion before adding it to the IR.
6066 (declare_return_variable): Likewise.
6068 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6071 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6073 2006-06-19 Mike Stump <mrs@apple.com>
6075 * tree.c (variably_modified_type_p): VM arguments don't make the
6078 2006-06-19 Richard Guenther <rguenther@suse.de>
6080 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6081 type conversions after folding.
6083 2006-06-19 Richard Guenther <rguenther@suse.de>
6085 * ggc-page.c (extra_order_size_tab): Add entries with
6086 size of struct function and basic_block.
6087 (size_lookup): Extend to cover sizes up to 511.
6088 (ggc_alloc_stat): Adjust user.
6089 (ggc_pch_count_object): Likewise.
6090 (ggc_pch_alloc_object): Likewise.
6091 (ggc_pch_write_object): Likewise.
6093 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6095 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6096 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6099 2006-06-19 Denis Chertykov <denisc@overta.ru>
6101 * config/avr/libgcc.S : Correct my wrong previous commit.
6103 2006-06-19 Roger Sayle <roger@eyesopen.com>
6106 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6107 have stripped a SUBREG from the shift count, so we may need to
6108 convert_to_mode back to the type's mode before calling make_tree.
6109 Use new_amount instead of amount to avoid expanding a tree twice.
6111 2006-06-19 Richard Guenther <rguenther@suse.de>
6114 * fold-const.c (operand_equal_p): Check if the argument types
6115 have the same precision before stripping NOPs.
6117 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6119 Fix PR tree-optimization/27341
6120 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6122 * tree-complex.c (pass_lower_complex): Update SMT usage.
6124 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6126 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6127 Add a new alternative to the constraint strings. Add move of
6128 operand 1 to 3 to the splitter definition.
6129 ("doloop_si_long"): Second contraint alternative removed.
6131 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6133 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6134 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6136 (AVR_HAVE_MOVW) Define.
6137 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6138 (ASM_SPEC): Add avr25.
6139 (LINK_SPEC): Add avr25.
6140 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6141 (base_arch_s): Add new member 'have_movw_lpmx'.
6142 (avr_arch_types): Init 'have_movw_lpmx'.
6143 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6144 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6145 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6146 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6147 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6149 (avr_file_start): Do not output '.arh' derective.
6150 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6151 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6152 * config/avr/avr.md (mcu_enhanced): Delete.
6153 (mcu_have_movw): Define.
6154 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6155 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6156 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6157 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6158 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6159 attiny861 and at86rf401 devices.
6161 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6163 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6166 2006-06-17 Karl Berry <karl@gnu.org>
6168 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6169 doc/gccint.texi, doc/install.texi (@dircategory): Use
6170 "Software development" instead of "Programming", following
6171 the Free Software Directory.
6173 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6175 * config/i386/i386.c (legitimate_tls_address)
6176 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6177 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6178 (*tls_dynamic_gnu2_combine_64): Likewise.
6180 2006-06-16 Richard Guenther <rguenther@suse.de>
6183 * fold-const.c (negate_expr_p): Do not introduce undefined
6184 overflow in negating INTEGER_CSTs.
6185 (fold_negate_expr): Rename from negate_expr. Revert last
6186 change for folding BIT_NOT_EXPR. Change semantics to
6187 return NULL_TREE for non-simplified negations. Do not
6188 strip type conversions and unify type handling.
6189 (negate_expr): New function, wrap around fold_negate_expr
6190 but ensure building a tree always. Strip type conversions
6191 here, fold to result type.
6192 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6194 2006-06-16 Roger Sayle <roger@eyesopen.com>
6197 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6198 that (would) return their results in stack registers.
6200 2006-06-16 Michael Matz <matz@suse.de>
6201 Richard Guenther <rguenther@suse.de>
6203 * fold-const.c (fold_truthop): Only return new tree node if
6204 we canonicalized something.
6206 2006-06-16 Richard Guenther <rguenther@suse.de>
6208 * function.h (enum function_frequency): Move declaration
6209 out of struct function.
6210 (struct function): Move bool fields and the enum to the bitfield
6211 section. Reorder elements to avoid padding. Remove unused
6212 fields left over from the RTL inliner removal.
6213 * function.c (free_after_compilation): Do not zero removed fields.
6214 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6215 (ipa-type-escape.o): Likewise.
6217 2006-06-16 Richard Guenther <rguenther@suse.de>
6219 * cgraph.h (struct cgraph_local_info): Turn bool elements
6221 (struct cgraph_node): Likewise.
6222 (struct cgraph_varpool_node): Likewise.
6224 2006-06-15 Richard Guenther <rguenther@suse.de>
6226 * fold-const.c (fold_truth_not_expr): Rename from
6227 invert_truthvalue. Give it fold_* semantics to avoid
6229 (invert_truthvalue): New function. Wrapper around
6230 fold_truth_not_expr.
6231 (optimize_minmax_comparison): Avoid creating garbage.
6232 (fold_unary): Use fold_truth_not_expr for folding
6234 (fold_ternary): Replace uses of invert_truthvalue with
6235 fold_truth_not_expr where applicable.
6236 * tree.h (fold_truth_not_expr): Prototype.
6238 2006-06-16 Richard Guenther <rguenther@suse.de>
6240 PR tree-optimization/27781
6241 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6242 * ipa-pure-const.c (target.h): Include.
6243 (analyze_function): Do not analyze functions that do not
6246 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6249 * tree-dfa.c (referenced_vars_dup_list): Remove.
6250 (find_referenced_vars): Remove assert.
6251 (referenced_var_check_and_insert): Replace dup list with assert.
6252 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6253 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6255 2006-06-15 Richard Guenther <rguenther@suse.de>
6257 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6258 extra unused identifiers if not dumping.
6259 (create_variable_info_for): Likewise.
6261 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6263 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6264 (derive_constant_upper_bound): Derive more precise upper bound in
6265 common cases. Return type changed to double_int.
6266 (record_estimate): Reflect the changed return type of
6267 derive_constant_upper_bound.
6268 * double-int.c (double_int_zext, double_int_sext): Fix.
6270 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6272 * configure.ac (CFLAGS): Get them from the toplevel or from the
6273 configure invocation.
6274 * configure: Regenerate.
6275 * Makefile.in (CFLAGS): Substitute value provided by configure.
6277 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6280 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6281 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6282 rather than calling add_stmt on it.
6283 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6285 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6288 * reload1.c (reload): Remove registers returned by update_eliminables
6289 from used_spill_regs.
6291 2006-06-13 DJ Delorie <dj@redhat.com>
6293 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6295 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6297 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6298 html__strip_dir, html__mkdir_p. Enhance install-html target.
6299 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6300 * configure: Regenerate.
6302 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6304 * fold-const.c (fold_cond_expr_with_comparison): Check for
6305 Objective-C++ as language in deciding COND_EXPR transformation.
6307 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6310 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6311 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6312 * config/sh/lib1funcs.h (SL, SL1): Define.
6313 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6314 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6315 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6316 (OBJS_Os_4_200): New variable.
6317 ($(T)libgcc-Os-4-200.a): Use it.
6318 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6319 when dividing 1 and/or by 0.
6321 2006-06-13 Roger Sayle <roger@eyesopen.com>
6323 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6324 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6325 * configure: Regenerate.
6327 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6329 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6330 for real instruction.
6332 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6335 * haifa-sched.c (check_cfg): Handle special case.
6337 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6340 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6341 Add debug_info parameter. Chain the vars to the BLOCK instead
6342 of the BIND_EXPR if debug info are requested for them.
6343 (pop_gimplify_context): Adjust for above change.
6344 (gimple_add_tmp_var): Likewise.
6345 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6347 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6348 (convert_local_reference): Likewise.
6349 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6350 (finalize_nesting_tree_1): Request that debug info be emitted
6351 for debug_var_chain.
6353 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6355 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6356 for PR target/27863.
6358 2006-06-13 Richard Guenther <rguenther@suse.de>
6361 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6363 2006-06-13 Richard Guenther <rguenther@suse.de>
6365 PR tree-optimization/27830
6366 * tree-inline.c (copy_body_r): For copying the operand
6367 of an ADDR_EXPR make sure to fold &* afterwards.
6369 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6371 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6372 lvalues in the fb_none case with side-effects.
6374 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6376 * tree-flow.h: Remove the prototype for
6377 compute_phi_arg_on_exit.
6378 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6379 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6382 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6384 * builtins.c (expand_builtin_return_addr): Only use
6385 frame_pointer_rtx when count == 0 and we are expanding
6386 __builtin_return_address.
6388 2006-06-12 Fred Fish <fnf@specifix.com>
6390 * config/mips/mips.c (mips_file_start): Create special section
6391 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6393 2006-06-11 Eric Christopher <echristo@apple.com>
6396 * stor-layout.c (place_field): Remove check for
6397 remaining_in_alignment when aligning at the end of a run.
6399 2006-06-11 Eric Christopher <echristo@apple.com>
6402 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6405 2006-06-11 Roger Sayle <roger@eyesopen.com>
6408 Revert incorrect fix for PR target/27158
6409 2006-05-08 Roger Sayle <roger@eyesopen.com>
6410 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6411 of a reg_equiv_constant if the result is a legitimate constant.
6413 2006-06-11 Roger Sayle <roger@eyesopen.com>
6416 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6417 extract a CONST_VECTOR element and interpret it as an integer.
6418 (vspltis_constant): Use const_vector_elt_as_int instead of the
6419 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6420 * config/rs6000/predicates.md (easy_vector_const): Consider
6421 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6423 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6426 * stor-layout.c (update_alignment_for_field): Don't add extra
6427 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6430 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6432 * config/mips/t-rtems: Add EL/EB multilib variants.
6434 2006-06-09 Mike Stump <mrs@apple.com>
6436 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6438 2006-06-09 David Daney <ddaney@avtrex.com>
6440 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6442 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6444 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6446 2006-06-09 Richard Guenther <rguenther@suse.de>
6448 PR tree-optimization/26998
6449 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6450 of signed types, only TYPE_MIN_VALUE is special, but for both,
6451 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6452 in this case, as is -fwrapv.
6454 2006-06-08 Mike Stump <mrs@apple.com>
6457 * config/darwin.c (darwin_asm_output_anchor): Disable
6458 -fsection-anchors on darwin for now.
6459 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6460 * rs6000/rs6000.c (optimization_options): Likewise.
6462 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6465 * config/i386/i386.c (classify_argument): Skip fields with invalid
6468 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6470 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6471 (cse_insn): Likewise for the stack_pointer_rtx.
6473 2006-06-08 Roger Sayle <roger@eyesopen.com>
6475 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6476 conditions from floating point comparisons.
6478 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6481 * expmed.c (struct alg_hash_entry): Fix type of field T
6482 to match synth_mult argument.
6483 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6485 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6488 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6491 2006-06-08 Richard Guenther <rguenther@suse.de>
6494 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6495 only, if overflow is defined and not trapping.
6496 (negate_expr): Likewise.
6498 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6500 PR tree-optimization/27872
6501 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6502 flag on the new exit edge of the unrolled loop.
6504 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6506 PR rtl-optimization/26449
6507 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6509 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6512 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6513 referenced_variables with matching DECL_UID's.
6514 (find_referenced_vars): Make sure duplicate list is empty to start.
6515 (referenced_var_p): Remove.
6516 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6517 Check if var is in the list, and add if needed. Update the duplicate
6518 list if a different var is in the list with the same DECL_UID.
6519 (add_referenced_var): Call routine to check and insert.
6520 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6521 * tree-flow.h (referenced_vars_dup_list): External declaration.
6523 2006-06-07 Fred Fish <fnf@specifix.com>
6525 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6528 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6531 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6532 the imaginary and real parts of a clobbered register.
6533 Emit insn to set the imaginary part.
6535 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6537 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6538 in lieu of unwind-dw2-fde.c.
6540 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6542 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6544 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6547 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6548 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6549 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6550 V4SImode temporaries and operations instead.
6552 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6554 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6557 2006-06-06 Mike Stump <mrs@apple.com>
6559 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6560 installing during build.
6562 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6564 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6566 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6567 * config/ia64/ia64.c (params.h): New header.
6568 (ia64_optimization_options): New function to adjust parameters.
6569 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6570 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6571 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6573 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6575 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6577 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6580 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6582 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6583 Victor Kaplansky <victork@il.ibm.com>
6585 PR tree-optimization/26360
6586 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6589 2006-06-04 Roger Sayle <roger@eyesopen.com>
6590 Andrew Pinski <pinskia@physics.uc.edu>
6593 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6594 for LABEL_DECL before calling DECL_WEAK.
6597 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6598 LABEL_DECL and PARM_DECL.
6600 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6604 * c-decl.c (grokdeclarator): Disallow variably modified types at
6605 file scope. Avoid marking shared array type of constant size as
6608 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6611 * c-common.c (fold_offsetof_1): Handle static members.
6613 2006-06-04 Eric Christopher <echristo@apple.com>
6615 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6616 (debug_rli): Output value for remaining_in_alignment.
6617 (update_alignment_for_field): Unconditionalize
6618 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6619 extra alignment code.
6620 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6621 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6622 * tree.h (record_layout_info_s): Remove prev_packed.
6623 * doc/extend.texi (ms_struct): Add documentation of format.
6625 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6627 * tree.h: Declare folding_initializer.
6628 * builtins.c (fold_builtin_constant_p): Give definite answer
6629 if folding inside an initializer.
6630 * fold-const.c: Define folding_initializer.
6631 (START_FOLD_INIT): Save and then set folding_initializer.
6632 (END_FOLD_INIT): Restore folding_initializer.
6634 2006-06-04 Richard Guenther <rguenther@suse.de>
6636 PR tree-optimization/27039
6637 * fold-const.c (fold_comparison): Handle pointer comparison
6638 again for all comparison codes. Compare offsets in signed
6640 (fold_binary): Move code from here.
6642 2006-06-03 Roger Sayle <roger@eyesopen.com>
6645 * config/i386/i386.c (construct_container): Split static issued_error
6646 flag into issued_sse_arg_error, issued_sse_ret_error and
6647 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6648 requires the use of x87 registers and the user explicitly
6649 specified the -mno-80387 command line option.
6651 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6653 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6654 HAVE_DECL_SIGALTSTACK.
6656 (segv_handler): Use MC_FLD.
6657 * configure.ac: Check for a sigaltstack declaration.
6658 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6659 * configure: Regenerate.
6660 * config.in: Regenerate.
6662 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6665 * Makefile.in (stmp-fixinc): Fix typo.
6667 2006-06-02 Roger Sayle <roger@eyesopen.com>
6669 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6670 are type correct. Clean-up.
6671 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6672 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6674 2006-06-01 DJ Delorie <dj@redhat.com>
6676 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6677 shift, as we've disabled the "switch" insn that needs it.
6679 2006-06-01 Per Bothner <bothner@bothner.com>
6681 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6682 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6683 * c-ppoutput.c (cb_define): Don't increment line 0.
6685 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6687 * doc/invoke.texi: Add cpu_type power6.
6688 * config.gcc: Add cpu_type power6.
6689 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6690 to power5+ with Altivec.
6691 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6692 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6694 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6696 * config/avr/avr.h (SET_ASM_OP): Define.
6698 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6700 * config/bfin/bfin.c: Fix comment typos.
6702 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6705 * doc/install.texi: Document --enable-bootstrap and
6706 --disable-bootstrap.
6708 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6710 * doc/install.texi: Document that InfoZIP can replace jar.
6712 2006-05-31 Roger Sayle <roger@eyesopen.com>
6714 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6715 isn't available, directly generate the simpler x87 patterns without
6716 the (use (const_int 0)).
6717 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6718 implementation isn't available.
6719 (*negdf2_1): Likewise.
6720 (*negxf2_1): XF mode negation is always done using the x87.
6721 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6723 2006-05-31 Roger Sayle <roger@eyesopen.com>
6725 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6726 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6728 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6730 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6732 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6733 * config/bfin/bfin.c (basic-block.h): Include.
6734 (struct machine_function): New.
6735 (bfin_init_machine_status): New.
6736 (override_options): Initialize init_machine_status.
6737 (bfin_hardware_loop): New.
6738 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6739 (DEF_VEC_P (loop_info)): New.
6740 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6741 (struct loop_info): New.
6742 (loop_info): New typedef.
6743 (struct loop_work): New.
6744 (loop_work): New typedef.
6745 (DEF_VEC_O (loop_work)): New.
6746 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6747 (bfin_dump_loops): New.
6748 (bfin_bb_in_loop): New.
6749 (bfin_scan_loop): New.
6750 (bfin_optimize_loop): New.
6751 (bfin_reorg_loops): New.
6752 (bfin_reorg): Use bfin_reorg_loops.
6753 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6755 (I_REGNO_P): Simplify.
6756 (DP_REGNO_P, DPREG_P): New macros.
6757 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6758 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6759 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6760 Add LT_REGS, LC_REGS, LB_REGS.
6761 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6763 (REGNO_REG_CLASS): Deal with loop registers.
6764 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6766 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6767 New constants for loop registers.
6768 (UNSPEC_LSETUP_END): New.
6769 (seq_insns): New define_attr. Set it for appropriate insns.
6770 (movsi_insn): Add alternatives for move from/to
6771 loop count registers.
6772 (doloop_end): New define_expand.
6773 (loop_end): New define_insn.
6774 (define_split for bad doloop_end): New.
6775 (lsetup_with_autoinit): New define_insn.
6776 (lsetup_without_autoinit): New define_insn.
6777 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6778 * config/bfin/predicates.md (lc_register_operand): New.
6779 (lt_register_operand): New.
6780 (lb_register_operand): New.
6781 (nondp_register_operand): New.
6782 (nondp_reg_or_memory_operand): New.
6783 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6785 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6787 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6788 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6790 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6792 * Makefile.in (CATALOGS): Add po/ prefix.
6793 * configure: Regenerated.
6795 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6798 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6799 a shift operand before calling shift_op. Avoid redundant call of
6802 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6803 DJ Delorie <dj@redhat.com>
6805 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6806 we're inserting is a singlt-bit constant.
6808 2006-05-30 Roger Sayle <roger@eyesopen.com>
6810 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6811 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6813 2006-05-30 Roger Sayle <roger@eyesopen.com>
6815 PR tree-optimization/23452
6816 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6817 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6818 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6819 complex values and with -ffast-math for FP complex values.
6821 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6823 * c-common.h: Remove the prototype for yyparse.
6824 * rtl.h: Remove the prototype for init_loop.
6826 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6828 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6831 2006-05-30 Roger Sayle <roger@eyesopen.com>
6833 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6835 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6836 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6838 2006-05-30 Dirk Mueller <dmueller@suse.de>
6841 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6842 for CONSTANT_CLASS_P expresisons.
6844 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6847 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6849 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6851 PR tree-optimization/27779
6852 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6853 initial_condition instead of CHREC_LEFT.
6855 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6857 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6858 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6859 Make prototypes ISO C90.
6861 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6862 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6864 * see.c (see_analyze_one_def): Correct check.
6865 (see_get_extension_data): Check if extension is parallel.
6866 (see_get_extension_reg): Likewise.
6868 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6871 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6872 into register for (code == GTU).
6874 2006-05-29 Roger Sayle <roger@eyesopen.com>
6876 PR tree-optimization/24964
6877 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6878 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6879 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6880 abs(x)*abs(x) as x*x for scalar floating point modes.
6882 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6885 * lambda-code.c (perfect_nestify): Don't copy statements
6886 in the inner loop: move them to the inner loop header.
6888 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6891 * c-tree.texi: Document OpenMP directives and clauses.
6893 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6895 * varasm.c (globalize_decl): Fix indentation.
6897 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6900 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6901 pass_fre, pass_store_ccp, pass_copy_prop,
6902 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6903 pass_return_slot, pass_object_size, pass_lim,
6904 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6905 pass_loop_prefetch and pass_stdarg.
6907 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6909 * config/bfin/bfin.opt (mfdpic): New option.
6910 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6911 (EXTRA_MULTILIB_PARTS): Likewise.
6912 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6913 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6915 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6916 (CRT_CALL_STATIC_FUNCTION): New.
6917 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6919 (CRT_CALL_STATIC_FUNCTION): New.
6920 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6922 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6923 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6924 (initialize_trampoline): Changed to handle FD-PIC code generation.
6925 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6926 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6927 (override_options): Disallow -mid-shared-library -mfdpic combination.
6928 Can't do unaligned ops if FD-PIC.
6929 Turn off flag_pic if trying to generate non-id-shared-library
6930 non-fdpic code, since it's not supported.
6931 (bfin_assemble_integer): New function.
6932 (TARGET_ASM_INTEGER): Define.
6933 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6935 * config/bfin/crtn.s: Restore them.
6936 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6938 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6939 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6940 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6941 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6942 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6944 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6945 FDPIC_REGS and FDPIC_FPTR_REGS.
6946 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6947 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6948 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6949 (load_funcdescsi): New pattern.
6950 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6951 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6952 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6954 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6956 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6959 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6961 * tree-flow.h: Remove the prototype for add_type_alias.
6962 * tree-ssa-alias.c (add_type_alias): Remove.
6964 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6966 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6967 config/fr30/fr30.md, config/i386/i386-interix.h,
6968 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6969 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6970 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6971 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6972 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6973 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6974 Follow spelling conventions.
6975 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6976 Follow spelling conventions.
6978 2006-05-27 Richard Guenther <rguenther@suse.de>
6981 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6982 to produce a constant of value 1 of generic type.
6984 2006-05-27 Dirk Mueller <dmueller@suse.de>
6986 * cgraphunit.c (decide_is_function_needed): Fix wrong
6989 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6991 PR rtl-optimization/27661
6992 * reload.c (find_reloads): When reloading a VOIDmode constant
6993 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6994 use Pmode as mode of the reload register.
6996 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6998 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6999 is enabled at -O and above.
7001 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7004 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7007 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7010 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7011 for anonymous variables explicitly declared by front ends.
7013 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7015 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7016 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7017 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7018 ref-all pointers, run a finalization pass for them.
7019 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7020 (finalize_ref_all_pointers): New function.
7021 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7022 regular pointer type to a ref-all pointer type.
7023 (get_tmt_for): Return the special memory tag for ref-all pointers.
7025 2006-05-25 Richard Guenther <rguenther@suse.de>
7028 * fold-const.c (fold_binary): Do not look at the stripped
7029 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7031 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7033 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7034 for LT and GT if the computed range is effectively empty.
7036 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7039 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7040 mips_quad_format formats instead of ieee_single_format,
7041 ieee_double_format and ieee_quad_format formats, respectively.
7043 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7045 PR tree-optimization/27639
7046 PR tree-optimization/26719
7047 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7048 call to scev_probably_wraps_p.
7049 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7050 used_in_pointer_arithmetic_p, convert_step): Removed.
7051 (nowrap_type_p): New function.
7052 (scev_probably_wraps_p): Rewritten.
7053 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7054 chrec_convert if chrec_convert_aggressive might have been used.
7055 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7056 scev_direction): New functions.
7057 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7058 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7059 instead of convert_step.
7060 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7061 (convert_step): Declaration removed.
7062 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7064 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7066 * df-core.c: Added to header comments.
7067 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7068 df_ur_bb_info, df_urec_bb_info): Added comments.
7069 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7070 urec, ri problems): Fixed header comments.
7071 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7072 code from df_rd_transfer_function.
7074 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7076 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7077 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7078 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7080 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7082 * expr.c (undefined_operand_subword_p): New.
7083 (emit_move_multi_word): Do not generate move from undefined bits
7084 of a paradoxical subreg.
7086 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7088 PR rtl-optimization/27736
7089 * combine.c (replaced_rhs_value): New variable.
7090 (combine_instructions): Set it.
7091 (distribute_notes): When distributing a note in replaced_rhs_insn,
7092 check whether the value was used in replaced_rhs_value.
7094 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7097 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7098 add_referenced_var instead of add_referenced_tmp_var.
7099 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7100 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7102 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7103 tree_optimize_tail_calls_1): Use add_referenced_var.
7104 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7105 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7106 Use add_referenced_var.
7107 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7108 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7109 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7110 Use add_referenced_var.
7111 * tree-dfa.c (struct walk_state): Remove.
7112 (find_referenced_vars): Remove walk state and vars_found hash table.
7113 (make_rename_temp): Use add_referenced_var.
7114 (find_vars_r): Pass less parameters to add_referenced_var.
7115 (referenced_var_p): New. Is var in referenced_var hash table.
7116 (referenced_var_insert): Assert var isn't already in hash table.
7117 (add_referenced_var): Don't need walk_state parameter. Add var if it
7118 isn't already in the hash table.
7119 (add_referenced_tmp_var): Remove.
7120 (find_new_referenced_vars_1): Use add_referenced_var.
7121 * tree-ssa-pre.c (create_expression_by_pieces,
7122 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7123 Use add_referenced_var.
7124 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7125 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7126 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7128 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7129 vect_create_data_ref_ptr, vect_create_destination_var,
7130 vect_init_vector, vect_build_loop_niters,
7131 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7132 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7133 Use add_referenced_var.
7134 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7135 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7136 (add_referenced_var): Add prototype.
7137 * tree-ssa-structalias.c (get_constraint_for,
7138 intra_create_variable_infos): Use add_referenced_var.
7140 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7142 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7143 big-endian paradoxical subregs.
7144 * var-tracking.c (struct micro_operation_def): Document that,
7145 for modify micro operations, insn is the subsequent instruction.
7146 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7147 (var_reg_set, var_mem_set): ... new functions.
7148 (add_stores): Record subsequent insn.
7149 (compute_bb_dataflow): Use new functions for MO_USE.
7150 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7151 notes after the insn, and modify notes before the insn known
7152 to be the subsequent one.
7153 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7155 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7158 * config/i386/i386.c (ix86_expand_builtin): Use
7159 gen_sse3_monitor64 for TARGET_64BIT.
7161 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7163 PR rtl-optimization/26375
7164 PR rtl-optimization/26855
7165 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7167 (df_ru_bb_local_compute): Reversed statements and removed bogus
7168 comment explaining why they should be in wrong order.
7169 (df_ru_dump, df_rd_dump): Enhanced debug info.
7170 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7172 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7173 reaching uses and fixed space problem.
7175 2006-05-23 Jan Hubicka <jh@suse.cz>
7177 * cgraphunit.c (decide_is_function_needed): Also nested functions
7178 and functions declared inline can be optimized out at -O0.
7180 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7182 * doc/install.texi (Configuration): Remove reference to CrossGCC
7186 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7189 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7190 ix86_compare_emitted is non-NULL.
7192 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7195 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7198 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7200 PR rtl-optimization/25514
7201 * combine.c (replaced_rhs_insn): New variable.
7202 (combine_instructions): Set replaced_rhs_insn when trying to replace
7203 a SET_SRC with a REG_EQUAL note.
7204 (distribute_notes): Use replaced_rhs_insn when determining the live
7205 range of a REG_DEAD register.
7207 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7208 Anatoly Sokolov <aesok@post.ru>
7210 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7211 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7212 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7213 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7214 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7215 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7216 at90usb647, at90usb1286 and at90usb1287 devices.
7217 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7218 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7220 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7222 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7224 2006-05-22 Richard Guenther <rguenther@suse.de>
7227 2006-01-31 Richard Guenther <rguenther@suse.de>
7228 Paolo Bonzini <bonzini@gnu.org>
7230 * doc/install.texi (--disable-libgcc-math): Document.
7232 2006-05-22 Richard Guenther <rguenther@suse.de>
7235 2006-01-31 Richard Guenther <rguenther@suse.de>
7237 * doc/invoke.texi (-msselibm): Document.
7238 * target.h (expand_library_builtin): New target hook.
7239 * builtins.c (expand_builtin): Use expand_library_builtin.
7240 (default_expand_library_builtin): New function.
7241 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7242 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7243 (link_gcc_math_spec): Declare.
7244 (static_specs): Add link_gcc_math_spec.
7245 * expr.h (default_expand_library_builtin): Declare.
7246 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7247 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7248 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7249 * config/i386/i386.opt (msselibm): New target option.
7250 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7251 (ix86_init_sse_abi_builtins): New function.
7252 (ix86_expand_library_builtin): Likewise.
7253 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7254 (override_options): Handle error conditions wrt -msselibm.
7255 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7256 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7257 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7260 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7263 * c-common.c (self_promoting_args_p): Skip erroneous args.
7266 * c-decl.c (finish_struct): Skip erroneous fields.
7268 2006-05-22 Nick Clifton <nickc@redhat.com>
7270 * config/cris/cris.opt (march): Remove VarExists attribute.
7271 (max-stackframe=): Likewise.
7273 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7275 * doc/rtl.texi: Fix a typo.
7276 * see.c: Fix comment typos.
7278 * tree-ssa-structalias.h (alias_info): Remove num_references.
7280 2006-05-21 Mike Stump <mrs@apple.com>
7282 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7284 (darwin_pragma_options): Use BAD instead.
7285 (darwin_pragma_unused): Likewise.
7286 (darwin_pragma_ms_struct): Likewise.
7288 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7290 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7292 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7294 PR rtl-optimization/27671
7295 * simplify-rtx.c (simplify_relational_operation_1): Fix
7296 simplifications of (eq/ne (xor x y) y) and
7297 (eq/ne (xor x y) x).
7299 PR tree-optimization/26622.
7300 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7303 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7305 * tree-cfg.c: Prune whitespace.
7306 (debug_tree_cfg): Point to correct header containing the
7309 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7312 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7314 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7317 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7318 or sorry count is non zero.
7320 2006-05-20 Andreas Schwab <schwab@suse.de>
7322 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7324 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7325 Kenneth Zadeck <zadeck@naturalbridge.com>
7327 PR rtl-optimization/26855
7329 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7331 (df_scan_alloc): Added code to properly handle multiword hard
7332 registers and add all_blocks parameter.
7333 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7334 code to properly handle multiword hard registers.
7335 (df_rescan_blocks): Added code to remove deleted blocks from
7337 (df_ref_create_structure, df_ref_record): Added code to properly
7339 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7340 and set DF_REF_PARTIAL.
7341 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7342 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7343 (df_scan_add_problem): Added flags parameter.
7344 (df_ref_create_structure): Changed switching structure.
7345 (df_bb_refs_record): Fixed case where duplicate artificial refs
7346 were created. Changed location of flags.
7347 (df_record_entry_block_defs): Added code to make stack pointer
7348 live in entry block. Refined cases where frame pointer is needed.
7349 Changed location of flags.
7350 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7351 (df_set_state): Removed function.
7352 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7353 df_insn_create_insn_record, df_insn_refs_delete,
7354 df_ref_create_structure): Formatting changes.
7355 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7356 df_delete_basic_block): New function.
7357 (df_init): Changed location of flags.
7358 (df_add_problem): Added flags parameter and the way flags are
7360 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7361 debug_df_chain): Improved debugging output.
7362 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7363 (df_refs_chain_dump): Removed df parameter.
7364 (df_iterative_dataflow): Added consistency check.
7365 (df_prune_to_subcfg): Made public.
7366 (df_analyze_problem): Added blocks_to_init parameter and made
7368 (df_ref_record, df_bb_refs_record, df_mark_reg,
7369 df_record_exit_block_uses): Whitespace changes.
7370 (df_dump): Whitespace changes.
7371 * df.h: Some reordering to remove forward references.
7372 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7373 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7374 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7375 (dataflow.flags): New field.
7376 (df.flag): Deleted field.
7377 (df_alloc_function): Added additional bitmap parameter.
7378 (df_dependent_problem_function): New type.
7379 (df_problem.changeable_flags): New field.
7380 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7381 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7382 (df_mw_hardreg): New struct.
7383 (DF_INSN_UID_MWS): New macro.
7384 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7386 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7387 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7388 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7389 (df_set_state): Removed function.
7390 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7391 * df-problems.c (df_chain_dump): Removed df parameter.
7392 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7393 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7395 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7396 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7397 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7398 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7399 DF_REF_MUST_CLOBBER cases.
7400 (df_ru_bb_local_compute_process_def,
7401 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7402 df_lr_bb_local_compute, df_ur_bb_local_compute,
7403 df_chain_create_bb): Made subreg aware.
7404 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7405 df_lr_bb_local_compute, df_lr_bb_local_compute,
7406 df_chain_create_bb): Cleanup to use proper macros.
7407 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7408 code to fixup bitvectors.
7409 (df_ri_alloc): Cleared lifetime.
7410 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7411 df_create_unused_note): New function.
7412 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7413 REG_DEAD and REG_UNUSED notes as well as register information.
7414 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7415 df_chains_dump): Fixed crash if problem was never run.
7416 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7417 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7418 df_ri_add_problem): Processes flags in uniform manner.
7419 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7420 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7421 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7422 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7423 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7424 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7425 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7426 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7427 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7428 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7429 * see.c (see_initialize_data): Ditto.
7430 * final.c (rest_of_clean_state) Added regstack_completed.
7431 * rtl.h (regstack_completed): Ditto.
7432 * reg-stack.c (regstack_completed): Ditto.
7434 2006-05-19 Mike Stump <mrs@apple.com>
7436 * c-tree.h (default_conversion): Remove.
7437 * c-common.h (default_conversion): Add.
7439 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7441 * tree-vrp.c (valid_value_p): New function.
7442 (adjust_range_with_scev): Fail if the value of bound is not
7445 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7447 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7448 (mips_fallback_frame_state): Use syscall numbers to determine
7449 the appropriate li instruction for the current ABI. Only use
7450 __NR_sigreturn for o32.
7452 2006-05-19 Nicolas Setton <setton@adacore.com>
7454 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7455 * langhooks.c (lhd_dwarf_name): New function.
7456 * langhooks-def.h (lhd_dwarf_name): Declare.
7457 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7458 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7459 * ada/misc.c (gnat_dwarf_name): New function.
7460 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7462 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7464 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7466 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7467 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7468 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7469 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7470 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7471 determine the size of Wtype, etc.
7472 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7473 (swfloatfuncs): New variable.
7474 (dwfloatfuncs): Likewise.
7475 (lib2funcs): Remove floating-point conversion functions from
7476 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7477 the set of conversion routines needed. Allow entries to specify
7478 an object name, filename and word size. Update users accordingly.
7479 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7480 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7484 2006-02-08 Roger Sayle <roger@eyesopen.com>
7487 * config/fixtfdi.c: New libgcc source file.
7488 * config/fixunstfdi.c: New source file.
7489 * config/floatditf.c: New source file.
7490 * config/floatunditf.c: New souce file.
7491 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7492 files above instead of config/mips/_tilib.c.
7493 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7495 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7497 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7498 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7500 2006-05-18 Mike Stump <mrs@apple.com>
7502 Fix up vla, vm and [*] sematics.
7508 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7509 (c_vla_unspec_p): Add.
7510 (c_vla_type_p): Add.
7511 * c-decl.c (struct c_scope): Add had_vla_unspec.
7512 (build_array_declarator): Add support for [*].
7513 (grokdeclarator): Likewise.
7514 (grokparms): Likewise.
7515 (get_parm_info): Likewise.
7516 * c-objc-common.c (c_vla_unspec_p): Likewise.
7517 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7518 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7519 typeof when argument is a variably modified type not inside sizeof or alignof.
7520 (c_parser_direct_declarator_inner): Propagate errors.
7521 (c_parser_sizeof_expression): Add support for [*].
7522 (c_parser_parms_declarator): Initialize had_vla_unspec.
7523 (c_parser_parms_list_declarator): Likewise.
7524 * c-typeck.c (c_vla_type_p): Add.
7525 (composite_type): Add support for vla compositing.
7526 (comptypes_internal): Add support for vla compatibility.
7527 (c_expr_sizeof_expr): Evaluate vla arguments.
7528 * tree.c (variably_modified_type_p): Update comment for [*].
7530 2006-05-18 Michael Matz <matz@suse.de>
7533 * config.host: Make assignments to host_xmake_file cumulative.
7534 * config.host (*-darwin*): Test $host, not $target.
7536 2006-05-12 Stuart Hastings <stuart@apple.com>
7538 * config/i386/i386.opt (-mstackrealign): New flag.
7539 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7540 (ix86_handle_cconv_attribute): Emit error when
7541 force_align_arg_pointer attribute collides with too many regparms.
7542 (ix86_function_regparm): Limit regparms when used with
7543 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7544 Support stack-realigning prologue in non-main functions. Emit
7545 warning for nested functions under -mstackrealign, emit error for
7546 nested functions with force_align_arg_pointer attribute.
7547 * doc/extend.texi (force_align_arg_pointer): Document it.
7548 * doc/invoke.texi (-mstackrealign): Document it.
7550 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7552 PR rtl-optimization/27477
7553 * combine.c (try_combine): Don't split a parallel consisting
7554 of two sets into two individual sets if both sets reference
7557 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7559 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7560 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7562 * doc/options.texi (VarExists): Updated.
7564 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7566 * unwind-dw2.c: Add declarations for uw_update_context and
7568 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7569 detected, advance frame state and context once to skip over stub.
7571 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7575 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7576 Call rewrite_into_loop_closed_ssa only when something changed.
7577 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7578 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7579 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7580 Test for perfect_nest_p here. Fix formating.
7581 (replace_uses_equiv_to_x_with_y): Fix formating.
7582 (stmt_uses_op): Removed.
7583 (can_convert_to_perfect_nest): Removed loopivs parameter.
7584 Complete the test by checking the scalar dependences.
7585 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7588 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7591 From Dan Kegel <dank@kegel.com>:
7592 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7594 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7596 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7597 if the element type is variably modified without recursing.
7599 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7602 * tree-loop-linear.c (try_interchange_loops): Test for
7603 no data dependences.
7605 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7607 PR tree-optimization/27548
7608 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7609 range of ssa names that appear on abnormal edges.
7610 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7611 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7613 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7616 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7618 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7621 * tree.h (OMP_PARALLEL_COMBINED): Define.
7622 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7623 (new_omp_context): Add is_combined_parallel argument.
7624 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7625 new_omp_context caller.
7626 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7627 Adjust gimplify_scan_omp_clauses callers.
7628 (omp_is_private): Issue errors if iteration variable is firstprivate
7629 or reduction in the current context.
7630 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7631 on combined parallel workshare constructs.
7633 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7635 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7636 (gcc-options.o): New rule.
7638 * optc-gen.awk: Protect variables for gcc-options.o with
7639 #ifdef GCC_DRIVER/#endif.
7641 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7643 Fix PR tree-optimization/27373
7644 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7645 (forward_propagate_addr_expr): Update call.
7647 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7649 * doc/options.texi: Move the Negative option.
7651 2006-05-16 Richard Guenther <rguenther@suse.de>
7653 PR tree-optimization/22303
7654 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7656 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7657 ccp_fold did not simplify the statement.
7659 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7662 * Makefile.in (GCC_OBJS): New.
7663 (OBJS-common): Add opts-common.o.
7664 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7665 (cpp$(exeext)): Likewise.
7666 (gcc.o): Also depend on opts.h.
7667 (opts-common.o): New.
7669 * common.opt (gcoff): Add Negative(gdwarf-2).
7670 (gdwarf-2): Add Negative(gstabs).
7671 (gstabs): Add Negative(gstabs+).
7672 (gstabs+): Add Negative(gvms).
7673 (gvms): Add Negative(gxcoff).
7674 (gxcoff): Add Negative(gxcoff+).
7675 (gxcoff+): Add Negative(gcoff).
7676 * config/i386/i386.opt (m32): Add Negative(m64).
7677 (m64): Add Negative(m32).
7679 * doc/options.texi: Document the Negative option.
7681 * gcc.c: Include "opts.h".
7682 (main): Call prune_options after expandargv.
7684 * optc-gen.awk: Generate common declarations for all flag
7685 variables in options.c. Output the neg_index field.
7687 * opts.c (find_opt): Moved to ...
7688 * opts-common.c: Here. New file.
7690 * opts.h (cl_option): Add a neg_index field.
7692 (prune_options): Likewise.
7694 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7697 * omp-low.c (expand_omp_parallel): Don't assert
7698 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7699 instead search for it.
7702 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7705 2006-05-16 Andreas Schwab <schwab@suse.de>
7707 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7710 2006-05-15 Roger Sayle <roger@eyesopen.com>
7713 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7714 integer constants other than zero are only legitimate on TARGET_64BIT.
7715 <CONST_VECTOR> Only zero vectors are legitimate.
7716 (ix86_cannot_force_const_mem): Integral and vector constants can
7717 always be put in the constant pool.
7719 2006-05-16 DJ Delorie <dj@redhat.com>
7721 * crtstuff.c (__dso_handle): Set section from
7722 TARGET_LBIGCC_SDATA_SECTION if defined.
7723 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7724 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7726 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7729 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7732 2006-05-16 Ben Elliston <bje@au.ibm.com>
7734 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7736 2006-05-15 Per Bothner <per@bothner.com>
7738 * tree.c: (last_annotated_node): Use source_locus typedef.
7739 This permits bootstrapping with --enable-mapped-location.
7741 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7743 PR tree-optimization/26830
7744 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7745 (info_for_ssa_name, current_info_for_ssa_name_age,
7746 blocks_to_update): New variables.
7747 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7748 (clear_ssa_name_info, initialize_flags_in_bb,
7749 mark_block_for_update): New functions.
7750 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7751 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7752 prepare_def_site_for): Use mark_block_for_update.
7753 (mark_def_interesting): Assert that the processed block is marked in
7754 blocks_to_update. Do not take blocks argument.
7755 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7757 (rewrite_update_init_block, rewrite_update_stmt): Only process
7758 blocks with statements to rewrite.
7759 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7760 (update_ssa): Initialize and free blocks_to_update. Do not
7761 clear flags on statements. Do not use blocks bitmap.
7762 * tree.h (SSA_NAME_AUX): Removed.
7763 (struct tree_ssa_name): Removed aux field.
7764 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7766 2006-05-15 Richard Guenther <rguenther@suse.de>
7768 PR tree-optimization/27603
7769 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7770 Do computations in original type.
7772 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7774 * see.c: Code style changes such as redundant paranthesis,
7775 redundant intialization of local variables etc.
7776 (see_main): Declared now as static.
7777 * doc/invoke.texi: Update that -fsee is not enabled by
7780 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7782 * omp-low.c (check_omp_nesting_restrictions): New function.
7783 (scan_omp_1): Call it.
7786 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7787 construct, return *VAR.
7789 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7791 PR rtl-optimization/27406
7792 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7795 2006-05-14 Roger Sayle <roger@eyesopen.com>
7797 PR rtl-optimization/27538
7798 * combine.c (expand_compound_operation): Call gen_lowpart
7799 before calling simplify_shift_const.
7801 2006-05-14 Roger Sayle <roger@eyesopen.com>
7803 PR rtl-optimization/22563
7804 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7805 a fixed width bitfield, always force the intermediates into psuedos.
7807 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7810 * mkconfig.sh: Use operator = instead of == for test.
7812 2006-05-13 Nick Clifton <nickc@redhat.com>
7814 * dwarf2out.c (dbx_reg_number): Check return value from
7815 LEAF_REG_REMAP and only use it if it is valid.
7816 (multiple_reg_loc_descriptor): Likewise.
7818 2006-05-13 Richard Guenther <rguenther@suse.de>
7820 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7823 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7825 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7826 information attached to non-INSNs such as NOTEs.
7827 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7829 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7831 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7833 * config/s390/s390.md: Adjust comment describing On constraint.
7835 2006-05-11 Jan Hubicka <jh@suse.cz>
7837 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7838 to be output at -O0.
7840 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7843 * fold-const.c (size_binop): Move sanity check for arguments to
7844 the beginning of the function.
7847 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7850 2006-05-11 Richard Guenther <rguenther@suse.de>
7853 * fold-const.c (fold_unary): Handle intermediate conversion
7854 to a pointer type like intermediate conversion to an integer
7855 type in folding of (T1)(T2)var to var.
7856 Match the code to the comment in the final conversion for
7857 (T1)(T2)var to (T1)var regarding to type precision. Rather
7858 than disallow T1 being of pointer type, assert that both T1
7859 and var are of pointer type or not. Make sure not to fall
7860 over the frontends lazyness wrt array to pointer decay though.
7862 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7864 * arm.c (arm_struct_value_rtx): Delete.
7865 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7866 (arm_init_cumulative_args): Always initialize nregs to zero.
7868 2006-05-10 Richard Guenther <rguenther@suse.de>
7870 PR tree-optimization/27532
7871 * tree-object-size.c (plus_expr_object_size): Fix typo.
7873 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7876 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7877 ashrdi_const, ashrdi3): Use a scratch register.
7879 2006-05-10 Richard Guenther <rguenther@suse.de>
7881 PR tree-optimization/27302
7882 * fold-const.c (operand_equal_p): For two comparisons,
7883 try comparison of one comparison code swapped if that yields
7886 2006-05-10 Ben Elliston <bje@au.ibm.com>
7888 * tree-pretty-print.c (pretty_print_string): No need to handle
7889 '\0' as a special character.
7891 * tree.h: Include "hashtab.h".
7892 (iterative_hash_expr): Use hashval_t in its prototype.
7893 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7895 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7898 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7899 (hppa*64*-*-hpux11*): Ditto.
7900 (hppa[12]*-*-hpux11*): Ditto.
7902 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7905 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7907 2006-05-09 Michael Matz <matz@suse.de>
7909 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7910 host_extra_gcc_objs and host_xmake_file.
7911 (<*-*-linux*>): Don't overwrite host_xmake_file.
7912 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7913 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7914 (host_detect_local_cpu): Declare.
7915 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7916 * config/i386/i386.c (override_options): Handle -mtune=native
7918 * config/i386/x-i386: New file.
7919 * config/i386/driver-i386.c: New file.
7920 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7923 2006-05-09 Dirk Mueller <dmueller@suse.de>
7924 Richard Guenther <rguenther@suse.de>
7927 * fold-const.c (fold_read_from_constant_string): Relax check
7928 for matching types to matching modes.
7930 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7932 PR rtl-optimization/27335
7933 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7936 2006-05-08 Chao-ying Fu <fu@mips.com>
7937 Richard Sandiford <richard@codesourcery.com>
7939 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7940 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7941 * config/mips/mips.md (UNSPEC_SCC): New constant.
7942 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7943 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7944 (mips_emit_compare): Use it.
7945 (mips_expand_vcondv2sf): New function.
7947 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7949 Fix PR tree-optimization/27093
7950 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7951 renaming when they become not-used_alone.
7953 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7955 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7956 relocation and relocation stubs.
7958 2006-05-08 Eric Christopher <echristo@apple.com>
7960 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7963 2006-05-08 Jan Hubicka <jh@suse.cz>
7966 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7967 unused static functions are needed.
7969 2006-05-08 Roger Sayle <roger@eyesopen.com>
7972 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7973 of a reg_equiv_constant if the result is a legitimate constant.
7975 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7978 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7979 standard 80387 constants, raise the cost to prevent
7980 compress_float_constant() to generate load from memory.
7982 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7984 * config/arm/constraints.md (c): Fix a typo.
7986 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7989 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7992 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7994 (_mm_mwait): Likewise.
7996 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7998 (sse3_monitor): Make it 32bit only.
7999 (sse3_monitor64): New. 64bit monitor.
8001 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8004 * config/i386/i386.c (classify_argument): Skip fields with invalid
8007 2006-05-07 Richard Guenther <rguenther@suse.de>
8009 PR tree-optimization/27409
8010 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8011 Do not try to find zero-sized subvars.
8013 2006-05-07 Richard Guenther <rguenther@suse.de>
8015 PR tree-optimization/27136
8016 * tree-ssa-loop-niter.c (get_val_for): Correct function
8017 comment, assert requirements.
8018 (loop_niter_by_eval): Stop processing if the iterated
8019 value did not simplify.
8021 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8023 * opts.c (flag_see): remove its setting at -O3.
8025 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8027 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8028 * arm/constraints.md: New file.
8029 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8030 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8031 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8032 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8033 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8034 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8035 * arm.md: Include constraints.md.
8036 (thumb_movsi_insn): Use satisfies_constraint_J.
8037 (movhi, movqi): Use satisfies_constraint_I.
8039 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8041 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8042 for atmeg a645 device.
8044 2006-05-06 Richard Guenther <rguenther@suse.de>
8046 PR tree-optimization/27151
8047 * tree-vect-transform.c (vectorizable_condition): Punt on
8048 values that have a different type than the condition.
8050 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8053 * c-parser.c (c_parser_cast_expression): Only insert casts into
8054 hash table if pointer.
8055 * function.c (used_types_insert_helper): Rename from
8057 (used_types_insert): Call used_types_insert_helper.
8058 * function.h (used_types_insert): Accept only one argument.
8060 2006-05-05 David Edelsohn <edesohn@gnu.org>
8062 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8063 scratch with output modifier.
8065 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8068 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8069 with output modifier.
8071 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8074 * config/mips/mips.c (mips_symbolic_address_p): Return true
8075 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8076 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8078 2006-05-04 Richard Guenther <rguenther@suse.de>
8080 PR tree-optimization/14287
8081 PR tree-optimization/14844
8082 PR tree-optimization/19792
8083 PR tree-optimization/21608
8084 PR tree-optimization/27090
8085 * tree-ssa-pre.c (try_combine_conversion): New function.
8086 (compute_avail): After constructing the value-handle
8087 expression, use try_combine_conversion to combine NOP_EXPRs
8088 with previous value-handle expressions and use the result if it
8091 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8093 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8095 2006-05-04 Jan Hubicka <jh@suse.cz>
8098 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8100 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8102 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8103 that this only matches CONST_INTs. All users changed to VOIDmode
8106 * config/bfin/bfin.c: Include "optabs.h".
8107 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8109 (enum bfin_builtins): Add a number of fractional and vector builtins.
8110 (bfin_init_builtins): Likewise.
8111 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8112 (safe_vector_operand, bfin_expand_binop_builtin,
8113 bfin_expand_unop_builtin): New functions.
8114 (bfin_expand_builtin): Handle the new builtins.
8115 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8118 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8121 * Makefile.in (OBJS-common): Add see.o.
8122 (see.o): Add dependencies.
8123 * common.opt (fsee): New flag for the see optimization was added.
8124 * opts.c (flag_see): Initialized.
8125 * passes.c (init_optimization_passes, pass_see): New pass.
8126 * rtl.h (see_main): Declaration as extern.
8127 * timevar.def (TV_SEE): New.
8128 * tree-pass.h (pass_see): Declaration as extern.
8129 * invoke.texi (-fsee): Document.
8130 * recog.c (validate_simplify_insn): New function.
8131 * recog.h (validate_simplify_insn): Declaration as extern.
8132 * df-problems.c (df_chain_dump): Check for NULL.
8134 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8135 Daniel Berlin <dberlin@dberlin.org>
8137 * cfgrtl.c (insert_insn_bb_end_new): New function.
8138 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8140 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8142 * df.h (struct web_entry): Moved from web.c.
8143 (union_defs): Declaration as extern.
8144 (unionfind_root): Likewise.
8145 (unionfind_union): Likewise.
8146 * web.c (struct web_entry): Moved to df.h.
8147 (unionfind_root): Remove static declaration.
8148 (unionfind_union): Likewise.
8149 (union_defs): Likewise and generalize to use callback function.
8150 (web_main): Update arguments for union_defs function call.
8152 2006-05-04 Richard Guenther <rguenther@suse.de>
8154 PR tree-optimization/26447
8155 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8156 produce SSA_NAME copies before the store stmt to avoid
8157 breaking exception handling.
8159 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8162 * gimplify.c (omp_is_private): If var is shared in some outer context,
8163 return false instead of true. Stop searching on parallel context
8166 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8169 * coverage.c: Use get_gcov_unsigned_t() instead of
8170 unsigned_type_node all over.
8172 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8174 PR tree-optimization/27381
8175 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8176 maintain the same immediate_use links.
8177 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8178 node rather than segfaulting.
8180 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8183 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8184 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8185 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8187 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8189 Fix PR tree-optimization/26626
8190 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8192 * tree-ssa-operands.c (access_can_touch_variable): Allow
8193 typecasting through union pointers.
8195 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8198 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8199 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8200 to find if var will be a global variable even in the nested context.
8201 (omp_copy_decl): Only check for global variable at the end, it might
8202 be overridden in outer contexts.
8203 (scan_sharing_clauses): For global variables don't create a field.
8204 (lower_rec_input_clauses): Do nothing for global shared variables.
8205 Emit a barrier at the end of ILIST if there were any decls in both
8206 firstprivate and lastprivate clauses.
8207 (lower_send_clauses): Do nothing for global variables except for
8210 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8212 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8213 of the correct signedness is returned.
8215 2006-05-02 Jeff Law <law@redhat.com>
8217 PR tree-optimization/27364
8218 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8219 multiply expressions.
8221 2006-05-02 Tom Tromey <tromey@redhat.com>
8223 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8225 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8228 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8229 -mthumb -fPIC are used.
8231 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8232 Joshua Kinard <kumba@gentoo.org>
8235 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8236 with 64-bit pointers.
8238 2006-05-02 Paul Brook <paul@codesourcery.com>
8240 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8242 (create_fix_barrier): Check that a suitable barrier location is
8244 (arm_reorg): Include ftmp->address in allowable range of addresses.
8246 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8249 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8252 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8255 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8256 around RESULT_DECL for result passed by reference.
8257 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8258 * omp-low.c (use_pointer_for_field): Don't look at
8259 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8260 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8261 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8262 time or var for passing by reference for
8263 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8264 TREE_ADDRESSABLE variables when passing by reference.
8266 * omp-low.c (dump_omp_region): Fix output formatting.
8269 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8270 (expand_omp_parallel): Likewise.
8271 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8274 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8275 on statement list containing also constructors and destructors.
8276 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8279 * except.c (duplicate_eh_regions): Fix clearing of
8280 cfun->eh->region_array entries.
8282 2006-05-01 DJ Delorie <dj@redhat.com>
8284 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8286 (gcc_cv_objdump): Likewise.
8287 * configure: Regenerated.
8289 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8292 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8293 templates for case 3 and 4.
8295 2006-05-01 DJ Delorie <dj@redhat.com>
8297 * vec.c: Include bconfig.h when appropriate.
8298 * Makefile.in (build/vec.o): Adjust dependencies.
8299 * mkconfig.sh: Make sure config.h isn't used for build machine
8302 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8304 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8306 (mark_phi_for_rewrite): New function.
8307 (insert_phi_nodes_for, mark_use_interesting): Call
8308 mark_phi_for_rewrite.
8309 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8310 (update_ssa): Initialize and free phis_to_rewrite.
8312 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8314 PR rtl-optimization/27291
8315 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8316 folded to a constant.
8318 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8320 PR tree-optimization/27283
8321 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8322 not whole # of iteration descriptions.
8323 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8324 uses abnormal ssa name.
8325 (niter_for_single_dom_exit): Ditto.
8326 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8327 return just the number of iterations.
8329 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8331 PR tree-optimization/27144
8332 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8333 (record_estimate): Only record constant upper bound.
8334 (infer_loop_bounds_from_undefined): Call
8335 compute_estimated_nb_iterations just once.
8336 (proved_non_wrapping_p): Renamed to ...
8337 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8338 (convert_step_widening, scev_probably_wraps_p): Call
8339 n_of_executions_at_most instead of proved_non_wrapping_p.
8340 (substitute_in_loop_info): Do not replace values in bounds.
8341 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8344 2006-05-01 Richard Henderson <rth@redhat.com>
8347 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8348 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8351 2006-05-01 Roger Sayle <roger@eyesopen.com>
8353 * c-typeck.c (parser_build_binary_op): Don't call the function
8354 unsigned_conversion_warning to spot operand/result type overflow.
8355 (build_binary_op): Instead, call convert_and_check instead of
8356 convert to report the problem when the operands are promoted.
8357 * c-common.c (unsigned_conversion_warning): Make static.
8358 * c-common.h (unsigned_conversion_warning): Delete prototype.
8360 2006-05-01 Richard Guenther <rguenther@suse.de>
8362 PR tree-optimization/26726
8363 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8365 (find_interesting_uses_address): ... we work around here
8366 by folding INDIRECT_REFs in the substituted base.
8368 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8370 * omp-low.c (dump_omp_region): Add newlines.
8372 2006-04-30 Roger Sayle <roger@eyesopen.com>
8374 * common.opt (Woverflow): New command line option.
8375 * c-common.c (constant_expression_warning): Check warn_overflow.
8376 (overflow_waring): Pass OPT_Woverflow to warning.
8377 (unsigned_conversion_warning): Likewise.
8378 (convert_and_check): Likewise.
8379 * doc/invoke.texi: Document new command line option.
8381 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8383 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8384 TARGET_NO_FP_IN_TOC for section anchors.
8385 (optimization_options): Enable section anchors for all
8386 non-"Objective" languages.
8388 2006-04-28 Eric Christopher <echristo@apple.com>
8390 * config/darwin-c.c (darwin_ms_struct): Move this
8391 (darwin_set_default_type_attributes): and this...
8392 * config/darwin.c: ... here.
8393 * config/darwin.h (darwin_ms_struct): Declare.
8395 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8397 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8399 2006-04-28 Roger Sayle <roger@eyesopen.com>
8402 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8403 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8404 an unsigned HOST_WIDE_INT.
8405 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8407 (really_start_incremental_init): No need to call convert because
8408 bitsize_zero_node is already of type bitsizetype.
8409 (push_init_level): Extract the value of constructor_index as an
8410 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8411 (process_init_element): Likewise.
8413 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8415 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8416 value before passing to make_relative_prefix.
8418 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8421 * builtins.c (expand_builtin_memset): Expand val in original mode.
8423 2006-04-27 Eric Christopher <echristo@apple.com>
8425 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8426 with #ifndef/#endif.
8427 * config/darwin-c.c (darwin_ms_struct): New.
8428 (darwin_pragma_ms_struct): Ditto.
8429 (darwin_set_default_type_attributes): Ditto.
8430 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8431 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8432 Register ms_struct pragma.
8433 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8434 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8435 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8436 darwin_set_default_type_attributes if TARGET_MACHO.
8438 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8440 PR tree-optimization/26854
8441 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8442 * doc/tree-ssa.texi: Update immuse iterator documentation.
8443 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8444 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8445 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8446 first_safe_imm_use, next_safe_imm_use): Remove.
8447 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8448 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8449 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8450 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8451 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8452 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8453 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8454 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8455 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8456 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8457 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8458 (perfect_nestify): Use new iterator.
8459 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8461 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8462 (next_imm_name): New field in struct immediate_use_iterator_d.
8463 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8464 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8465 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8466 * tree-cfg.c (replace_uses_by): Use new iterator.
8467 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8468 * tree-ssa-operands.c (correct_use_link): Remove.
8469 (finalize_ssa_use_ops): No longer call correct_use_link.
8471 2006-04-27 Stuart Hastings <stuart@apple.com>
8473 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8474 * config/t-darwin (crt3.o): Use it.
8475 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8476 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8477 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8478 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8479 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8482 2006-04-27 Roger Sayle <roger@eyesopen.com>
8484 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8485 size, force the intermediate into a new pseudo rather instead of
8486 performing both a bitwise AND and a bitwise IOR in memory.
8488 2006-04-27 Richard Guenther <rguenther@suse.de>
8490 PR rtl-optimization/26685
8491 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8492 this one "max-flow-memory-locations".
8494 2006-04-27 Richard Guenther <rguenther@suse.de>
8496 PR tree-optimization/25148
8497 * tree-vrp.c (compare_values): Remove code dealing with
8498 comparisons against type min/max value. Honour overflow
8499 and negative constants in code dealing with comparisons
8500 of plus and minus expressions.
8501 (value_inside_range): Use fold_binary with LE_EXPR and
8502 GE_EXPR rather than compare_values.
8504 2006-04-27 Dirk Mueller <dmueller@suse.de>
8506 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8509 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8511 * basic-block.h (safe_insert_insn_on_edge): Removed.
8512 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8514 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8515 Paolo Bonzini <bonzini@gnu.org>
8518 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8519 (simplify_and_const_int): Same.
8521 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8523 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8525 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8528 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8529 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8530 cgraph_global_info_ready.
8533 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8536 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8537 either decl or init is error_mark_node.
8540 * tree-flow.h (struct omp_region): Add sched_kind.
8541 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8542 instead of extracting omp for data.
8543 (expand_omp_for): Save extracted sched_kind.
8545 2006-04-25 Roger Sayle <roger@eyesopen.com>
8547 * expmed.c (store_bit_field): Also check whether the bitsize is
8548 valid for the machine's "insv" instruction before moving the
8549 target into a pseudo for use with the insv.
8550 * config/i386/predicates.md (const8_operand): New predicate.
8551 * config/i386/i386.md (extv, extzv, insv): Use the new
8552 const8_operand predicate where appropriate.
8554 2006-04-25 DJ Delorie <dj@redhat.com>
8556 * doc/install.texi (Specific): Clarify that this is not a list of
8557 supported hosts or targets.
8559 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8561 PR rtl-optimization/26725
8562 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8563 block's BB_DIRTY flag.
8565 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8567 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8570 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8571 to print an integer.
8573 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8575 * varasm.c (align_variable): New function.
8576 (get_block_for_decl): Apply align_variable to DECL before
8577 calculating section information.
8578 (assemble_variable): Split out alignment computation.
8580 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8582 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8585 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8587 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8588 MODE_PARTIAL_INT mode.
8589 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8590 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8592 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8593 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8595 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8597 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8599 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8600 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8601 MACFLAG_IH): Likewise.
8602 (movstricthi_1): Renamed from "*movstricthi".
8603 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8604 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8605 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8606 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8607 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8608 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8609 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8610 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8611 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8612 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8613 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8614 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8615 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8616 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8617 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8619 * doc/rtl.texi (ss_ashift): Improve wording.
8621 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8623 * dwarf2out.c (verify_marks_clear): New.
8624 (prune_unused_types): Call verify_marks_clear initially, not
8627 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8629 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8630 * doc/rtl.texi: Document them.
8631 * simplify-rtx.c (simplify_unary_operation,
8632 simplify_binary_operation_1): Don't abort when we see them.
8634 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8637 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8638 * configure.ac: Completely disregard languages that are not
8640 * configure: Regenerated.
8642 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8643 Richard Guenther <rguenther@suse.de>
8645 PR tree-optimization/27236
8646 * tree-inline.c (copy_body_r): Make sure to copy
8647 TREE_THIS_VOLATILE flag.
8649 2006-04-24 Richard Guenther <rguenther@suse.de>
8652 * tree-complex.c (update_parameter_components): Don't handle
8653 unused parameters which have no default def.
8655 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8656 Richard Guenther <rguenther@suse.de>
8658 PR tree-optimization/27218
8659 * tree-inline.c (expand_call_inline): Strip useless type
8660 conversions for the return slot address.
8662 2006-04-24 Richard Guenther <rguenther@suse.de>
8664 * cfgloop.h (struct loops): Remove unused field array. Reorder
8666 (LOOP_PREFETCH): Remove.
8668 2006-04-24 Richard Guenther <rguenther@suse.de>
8670 PR tree-optimization/22525
8671 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8672 variable, adjust types of generated expressions.
8674 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8676 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8677 (tree-vect-patterns.o): Likewise.
8679 (cselib.o): Likewise.
8680 (loop-doloop.o): Likewise.
8681 (regclass.o): Likewise.
8682 (reload1.o): Likewise.
8683 (explow.o): Replace target.h with $(TARGET_H).
8684 (ipa-prop.o): Likewise.
8685 (ipa-cp.o): Likewise.
8686 (ipa-inline.o): Likewise.
8687 (reorg.o): Likewise.
8688 (reg-stack.o): Likewise.
8690 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8692 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8694 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8696 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8698 * configure.ac: Completely disregard languages that are not
8700 * configure: Regenerated.
8703 * c-common.h (c_build_bitfield_integer_type): Declare.
8704 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8705 * c-common.c (c_build_bitfield_integer_type): ... here.
8707 2006-04-23 Roger Sayle <roger@eyesopen.com>
8710 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8711 a SImode SUBREG of a floating point register after no_new_pseudos.
8713 2006-04-23 Roger Sayle <roger@eyesopen.com>
8715 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8716 identify potentially eliminable registers to additionally catch
8717 VIRTUAL_INCOMING_ARGS_REGNUM.
8718 (addsi3): Update the conditions on when to use addsi_small_int.
8720 2006-04-23 Roger Sayle <roger@eyesopen.com>
8723 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8724 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8725 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8727 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8729 * fold-const.c (range_predecessor): Use operand_equal_p
8730 as the predicate for equality.
8731 (range_successor): Likewise.
8733 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8736 * config/soft-fp/op-common.h: Fix a typo.
8738 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8741 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8742 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8744 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8746 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8748 * doc/tm.texi: Fix a typo.
8750 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8752 * dwarf2out.c (struct die_struct): Document that die_sib makes
8753 a circular linked list.
8754 (FOR_EACH_CHILD): New.
8755 (reverse_die_lists): Delete.
8756 (reverse_all_dies): Delete.
8757 (add_dwarf_attr): Correct documentation.
8758 (remove_child_with_prev): New.
8759 (remove_child_TAG): Update for change to die_struct, use
8760 remove_child_with_prev.
8761 (add_child_die): Update for change to die_struct.
8762 (splice_child_die): Use remove_child_with_prev and add_child_die.
8763 (print_die): Use FOR_EACH_CHILD.
8764 (die_checksum): Likewise.
8765 (assign_symbol_names): Likewise.
8766 (output_location_lists): Likewise.
8767 (build_abbrev_table): Likewise.
8768 (calc_die_sizes): Likewise.
8769 (mark_dies): Likewise.
8770 (unmark_dies): Likewise.
8771 (unmark_all_dies): Likewise.
8772 (output_die): Likewise.
8773 (prune_unused_types_mark): Likewise.
8774 (prune_unused_types_walk): Likewise.
8775 (same_die_p): Update for change to die_struct.
8776 (break_out_includes): Likewise.
8777 (prune_unused_types_prune): Likewise.
8778 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8779 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8781 (dwarf2out_finish): Don't call reverse_all_dies.
8783 2006-04-21 Eric Christopher <echristo@apple.com>
8785 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8786 in comments and function names.
8788 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8791 * c-typeck.c (digest_init): Robustify.
8793 * c-typeck.c (pop_init_level): Simplify.
8795 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8797 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8799 2006-04-21 Paul Brook <paul@codesourcery.com>
8801 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8802 hardware floating point.
8804 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8806 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8809 2006-04-21 Nick Clifton <nickc@redhat.com>
8811 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8814 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8817 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8818 C++ lang type in traceback table for Objective-C++.
8820 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8822 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8824 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8826 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8829 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8830 were errors. Remove check for erroneous objects.
8832 2006-04-20 Jeff Law <law@redhat.com>
8834 PR tree-optimization/26854
8835 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8836 checking for zero or one use.
8837 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8838 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8839 * tree-ssa-reassoc.c (negate_value): Similarly.
8840 (reassociate_bb): Similarly.
8842 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8844 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8845 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8846 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8848 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8850 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8851 fp regs if the last fp arg doesn't fit in regs.
8853 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8856 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8857 that the last insn has the REG_INC note.
8859 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8860 Nathan Sidwell <nathan@codesourcery.com>
8863 * stor-layout.c (update_alignment_for_field): Do not align
8865 (place_union_field): Place union field at the start of the union.
8866 (place_field): Move ERROR_MARK check later, and use the current
8867 allocation position to maintain monotonicity.
8869 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8871 * dominance.c: Include timevar.h.
8872 (calculate_dominance_info): Use TV_DOMINANCE.
8873 * timevar.def (TV_DOMINANCE): New timevar.
8874 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8876 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8878 PR rtl-optimization/14261
8879 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8880 move would be an INSV insn.
8881 (noce_process_if_block): Don't optimize if the destination is a
8882 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8884 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8886 * config/s390/s390.md: Add comments with the instructions emitted
8887 by an insn pattern if macros are used.
8889 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8891 PR rtl-optimization/26026
8892 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8893 is a known power of two shifted left a variable amount.
8895 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8897 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8898 to hash table twice when the debug_str section has SECTION_MERGE.
8900 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8902 * config/soft-fp: New directory. From glibc.
8903 * config/soft-fp/t-softfp: New.
8904 * config/soft-fp/README: New.
8905 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8906 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8907 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8908 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8909 * config.gcc: Use rs6000/t-fprules-fpbit or
8910 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8912 * config/rs6000/sfp-machine.h: New. Based on glibc.
8913 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8915 * config/rs6000/t-fprules: Remove fp-bit rules.
8916 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8917 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8918 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8919 (softfp_wrap_start, softfp_wrap_end): New.
8921 2006-04-18 DJ Delorie <dj@redhat.com>
8923 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8925 2006-04-18 Devang Patel <dpatel@apple.com>
8927 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8929 2006-04-18 Nick Clifton <nickc@redhat.com>
8931 * config/sh/t-symbian: Add rule to build sh-c.o
8932 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8933 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8934 (sh_symbian_encode_section_info): Likewise.
8936 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8938 * builtins.c (expand_builtin_strcmp): Cover label definition of
8939 do_libcall with HAVE_cmpstrnsi.
8941 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8943 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8945 * function.h (temp_slot_p): New.
8946 (function): Change the type of x_used_temp_slots to
8947 VEC(temp_slot_p,gc) *.
8949 2006-04-18 Nick Clifton <nickc@redhat.com>
8951 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8952 flag_strength_reduce.
8954 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8956 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8960 Partial revert of revision 112637
8961 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8962 Dale Johannesen <dalej@apple.com>
8965 * regclass.c (struct reg_pref): Update documentation.
8966 (regclass): Set prefclass to NO_REGS if memory is the best option.
8967 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8969 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8971 PR tree-optimization/26821
8972 * tree-ssa-math-opts.c (get_constant_one): New.
8973 (insert_reciprocals): Use it.
8975 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8977 * dwarf2out.c (free_AT): Delete.
8978 (remove_AT): Update string ref counts.
8979 (remove_child_TAG): Don't call free_die.
8981 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8982 or DW_TAG_GNU_EINCL.
8983 (prune_unused_types_walk_attribs): Reset string refcounts.
8984 (prune_unused_types_update_strings): New.
8985 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8986 call free_die. Do call prune_unused_types_update_strings.
8987 (prune_unused_types): Empty debug_str_hash.
8989 2006-04-17 Roger Sayle <roger@eyesopen.com>
8991 * expr.c (expand_assignment): Optimize away no-op moves where the
8992 source and destination are equal and have no side-effects.
8994 2006-04-17 Richard Guenther <rguenther@suse.de>
8997 * reload.c (push_reload): Guard calls to get_secondary_mem
9000 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9002 * alias.c (reg_base_value, old_reg_base_value): Change the
9003 type to VEC(rtx,gc) *.
9004 (REG_BASE_VALUE, find_base_value, record_set,
9005 init_alias_analysis): Use VEC instead of VARRAY.
9007 * alias.c (alias_sets): Change the type to
9008 VEC(alias_set_entry,gc) *.
9009 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9010 VEC instead of VARRAY.
9011 (last_alias_set): Remove.
9013 * cgraph.h (cgraph_edge_p): New.
9014 Update the prototype of cgraph_function_versioning.
9015 * cgraphunit.c (cgraph_copy_node_for_versioning,
9016 cgraph_function_versioning): Use VEC instead of VARRAY.
9017 * ipa-cp.c (ipcp_insert_stage): Likewise.
9019 2006-04-16 Roger Sayle <roger@eyesopen.com>
9022 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9023 "A op B" or "A op C", we may need to convert A to the type of B and C.
9025 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9027 * target.h (struct gcc_target): Add mode_rep_extended.
9028 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9029 (init_num_sign_bit_copies_in_rep): Initialize it using
9031 (truncate_to_mode): Use it.
9032 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9033 * targhooks.h (default_mode_rep_extended): Declare it.
9034 * targhooks.c (default_mode_rep_extended): Define it.
9035 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9036 default_mode_rep_extended.
9037 (TARGET_INITIALIZER): Include it.
9038 * doc/tm.texi (Misc): Document it.
9039 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9040 (mips_truncated_to_mode): New function.
9042 2006-04-16 Roger Sayle <roger@eyesopen.com>
9045 * expr.c (compress_float_constant): Copy the narrow constant into
9046 a new pseudo before extending it to its final width.
9048 2006-04-16 Roger Sayle <roger@eyesopen.com>
9049 Andrew Pinski <pinskia@gcc.gnu.org>
9050 Dale Johannesen <dalej@apple.com>
9053 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9054 special case code to implement V8HImode and V16QImode with SSE2.
9056 2006-04-15 Roger Sayle <roger@eyesopen.com>
9058 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9059 trees are constructed with a suitable tree type.
9061 2006-04-15 Roger Sayle <roger@eyesopen.com>
9063 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9064 (integer_onep): Likewise.
9065 (integer_all_onesp): Likewise.
9066 (integer_pow2p): Likewise.
9067 (integer_nonzerop): Likewise.
9068 (real_zerop): Likewise.
9069 (real_onep): Likewise.
9070 (real_twop): Likewise.
9071 (real_minus_onep): Likewise.
9072 (int_size_in_bytes): Likewise.
9073 (host_integerp): Likewise.
9075 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9077 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9078 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9079 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9081 * tree-ssa-structalias.h (alias_info): Remove num_references.
9083 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9085 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9086 (output_bvb patterns): Likewise.
9087 * pa.c (output_bb): Use 'bb' insn for long branch case.
9088 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9089 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9090 1. Correct length operand for alternatives 1 and 2.
9091 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9092 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9094 2006-04-14 Roger Sayle <roger@eyesopen.com>
9096 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9097 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9098 were accidentally reverted by r112959.
9100 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9103 * except.h (eh_region_outermost): New prototype.
9104 * except.c (eh_region_outermost): New function.
9105 * tree-cfg.c (find_outermost_region_in_block): Use it.
9107 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9109 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9111 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9112 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9113 (init_reload, reload): Use VEC instead of VARRAY.
9114 * reload.h: Update the prototype for
9115 reg_equiv_memory_loc_varray.
9117 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9118 Eric Botcazou <ebotcazou@libertysurf.fr>
9120 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9123 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9126 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9127 to expand fallback builtin function call.
9129 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9132 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9133 and emit libcall here in case the builtin fails.
9134 (expand_builtin_strcmp): Always emit the libcall here on failure.
9136 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9138 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9139 * flow.c (reg_n_info): Change the type to
9140 VEC(reg_info_p,heap) *.
9141 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9143 * regs.h (reg_info_p): New.
9144 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9145 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9146 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9149 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9151 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9153 * params.h (MAX_SCHED_READY_INSNS): New macro.
9154 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9155 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9156 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9157 the ready list for 1 cycle during the first scheduling pass.
9158 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9160 2006-04-13 Richard Henderson <rth@redhat.com>
9163 * gimple-low.c (lower_omp_directive): Remove dead code.
9164 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9165 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9166 * omp-low.c (struct omp_region): Move to tree-flow.h.
9167 (root_omp_region): Export.
9168 (omp_regions, lookup_omp_region): Remove.
9169 (determine_parallel_type): Update for struct omp_region changes.
9170 (dump_omp_region): Dump regions with block numbers.
9171 (new_omp_region): Take type and block instead of stmt; malloc
9173 (free_omp_region_1, free_omp_regions): New.
9174 (expand_parallel_call): Take entry_stmt as argument; update for
9175 changes to omp_region.
9176 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9177 (remove_exit_barriers): New.
9178 (expand_omp_parallel): Update for struct omp_region changes.
9179 (expand_omp_synch): Likewise.
9180 (expand_omp): Likewise.
9181 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9182 (expand_omp_for_static_chunk): Likewise.
9183 (expand_omp_for): Likewise.
9184 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9185 (expand_omp_sections): Similarly, with GOMP_sections_end.
9186 (expand_omp_single): New.
9187 (build_omp_regions_1): Update for OMP_CONTINUE.
9188 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9189 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9190 OMP_SECTIONS_SECTIONS.
9191 (lower_omp_single_simple): Don't emit barrier here.
9192 (lower_omp_single_copy): Likewise.
9193 (lower_omp_single): Fix bindings, and lower to straightline now.
9194 (lower_omp_master, lower_omp_ordered): Likewise.
9195 (lower_omp_critical): Likewise.
9196 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9197 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9198 omp edges, free it afterward.
9199 (make_omp_sections_edges): Remove.
9200 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9201 (move_stmt_r): Handle OMP_CONTINUE.
9202 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9203 statement pointers to basic blocks. Add type member.
9204 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9205 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9206 * tree-inline.c (estimate_num_insns_1): Likewise.
9207 * tree-pretty-print.c (dump_generic_node): Likewise.
9208 * tree-ssa-operands.c (get_expr_operands): Likewise.
9209 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9210 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9211 (OMP_CONTINUE): New.
9212 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9213 (OMP_SECTIONS_SECTIONS): Remove.
9214 (OMP_SECTION_LAST): New.
9215 (OMP_RETURN_NOWAIT): New.
9217 2006-04-13 Roger Sayle <roger@eyesopen.com>
9219 * fold-const.c (native_encode_vector, native_interpret_real):
9220 Correct obvious mistakes in the previous check-in.
9222 2006-04-13 Roger Sayle <roger@eyesopen.com>
9224 * fold-const.c (native_encode_expr): New function to encode
9225 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9226 or VECTOR_CST into a specified buffer.
9227 (native_encode_int): New function.
9228 (native_encode_real): New function.
9229 (native_encode_complex): New function.
9230 (native_encode_vector): New function.
9231 (native_interpret_expr): Inverse of native_encode_expr to convert
9232 a target representation into an INTEGER_CST, REAL_CST etc...
9233 (native_interpret_int): New function.
9234 (native_interpret_real): New function.
9235 (native_interpret_complex): New function.
9236 (native_interpret_vector): New function.
9237 (fold_view_convert_expr): New function to constant fold/evaluate
9238 a VIEW_CONVERT_EXPR of a suitable constant expression.
9239 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9240 Change call of build1 to fold_build1 when constructing a
9243 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9244 Ulrich Weigand <uweigand@de.ibm.com>
9247 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9250 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9253 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9254 optimize to lo_sum for DFmode if !TARGET_FPRS.
9256 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9258 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9259 delete_alias_info, compute_flow_sensitive_aliasing,
9260 group_aliases): Use VEC instead of VARRAY.
9261 * tree-ssa-structalias.c (update_alias_info): Likewise.
9262 * tree-ssa-structalias.h (alias_info): Change the type of
9263 processed_ptrs to VEC(tree,heap) *.
9265 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9268 * config/sh/lib1funcs.h: New file, broken out of:
9269 * config/sh/lib1funcs.asm.
9270 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9272 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9273 * config/sh/lib1funcs-Os-4-200.asm: New file.
9274 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9275 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9276 (EXTRA_MULTILIB_PARTS): Include it.
9277 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9278 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9279 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9280 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9283 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9285 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9286 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9287 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9289 * tree-ssa-live.h: Include vecprim.h.
9290 (tree_partition_associator_d): Change the type of
9291 first_partition to VEC(int,heap) *.
9292 (tpa_first_partition): Use VEC instead of VARRAY.
9294 * Makefile.in (GTFILES): Move functions.h after tree.h.
9295 * function.c (reset_block_changes, record_block_change,
9296 check_block_change, free_block_changes): Use VEC instead of
9298 * function.h (function): Change the type of
9299 ib_boundaries_block to VEC(tree,gc) *.
9300 * tree-inline.c (copy_cfg_body): Initialize
9301 ib_boundaries_block to NULL instead of (varray_type) 0.
9303 2006-04-12 Roger Sayle <roger@eyesopen.com>
9305 * expr.c (emit_group_store): Correct operand order in call to
9306 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9307 a SUBREG_BYTE of zero.
9309 2006-04-12 Richard Guenther <rguenther@suse.de>
9311 * profile.c (compute_branch_probabilities): Remove code
9312 encapsulated in !ir_type (), which are remanents of the
9313 removed RTL profiling code.
9314 * rtl-profile.c: Remove.
9316 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9318 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9319 magic NULL_RTX comment.
9320 (function_arg): Store entire fp arg to mem if any part should go
9322 (rs6000_arg_partial_bytes): Adjust for above change.
9324 2006-04-11 Roger Sayle <roger@eyesopen.com>
9326 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9327 if it hasn't been initialized by dwarf2out_init.
9329 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9331 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9332 symbolic constants in branch patterns.
9334 2006-04-11 Roger Sayle <roger@eyesopen.com>
9336 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9338 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9340 PR rtl-optimization/27073
9341 * gcse.c (try_replace_reg): Revert last change. Continue to search
9342 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9345 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9347 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9348 aggregate types other than record and union types.
9349 (function_arg): Likewise.
9350 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9352 (function_value): In 64-bit mode, return objects that require it
9355 2006-04-11 Roger Sayle <roger@eyesopen.com>
9357 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9359 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9361 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9363 2006-04-03 Jeff Law <law@redhat.com>
9366 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9367 alias information too.
9369 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9371 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9373 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9376 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9377 (premark_used_types_helper): New.
9378 (premark_used_types): New.
9379 (gen_subprogram_die): Call premark_used_types.
9380 (prune_unused_types_walk): Do not prune perennial dies.
9381 * function.c (used_types_insert): New.
9382 * function.h (struct function): Add used_types_hash field.
9383 (used_types_insert): Add prototype.
9384 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9385 * c-parser.c (c_parser_cast_expression): Save casted types in used
9388 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9391 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9392 rs6000_explicit_options.float_gprs.
9394 2006-04-10 Roger Sayle <roger@eyesopen.com>
9396 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9397 from ix86_expand_vector_init_low_nonzero. Take an additional
9398 one_var argument indicating which element is non-zero. Support
9399 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9400 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9401 with one_var instead of ix86_expand_vector_init_low_nonzero.
9403 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9405 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9406 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9407 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9408 build/genextract.o): Depend on vecprim.h.
9409 * cfglayout.c, df-problems.c, function.c, genextract.c,
9410 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9411 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9415 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9417 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9418 Declare VECs of this type.
9419 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9420 (remove_children): Delete.
9421 (add_dwarf_attr): Use VEC routines.
9422 (add_AT_flag): Update for changes to add_dwarf_attr.
9423 (add_AT_int): Likewise.
9424 (add_AT_unsigned): Likewise.
9425 (add_AT_long_long): Likewise.
9426 (add_AT_vec): Likewise.
9427 (add_AT_string): Likewise.
9428 (add_AT_die_ref): Likewise.
9429 (add_AT_fde_ref): Likewise.
9430 (add_AT_loc): Likewise.
9431 (add_AT_loc_list): Likewise.
9432 (add_AT_addr): Likewise.
9433 (add_AT_lbl_id): Likewise.
9434 (add_AT_lineptr): Likewise.
9435 (add_AT_macptr): Likewise.
9436 (add_AT_offset): Likewise.
9437 (add_AT_range_list): Likewise.
9438 (get_AT): Use VEC_iterate.
9439 (remove_AT): Use VEC_ordered_remove.
9440 (free_die): Fold remove_children into here; have it use VEC_iterate.
9441 (print_die): Use VEC_iterate on attrs.
9442 (reverse_die_lists): Don't reverse attr lists.
9443 (die_checksum): Use VEC_iterate on attrs.
9444 (same_die_p): Likewise.
9445 (output_location_lists): Likewise.
9446 (build_abbrev_table): Likewise.
9447 (size_of_die): Likewise.
9448 (unmark_all_dies): Likewise.
9449 (output_abbrev_section): Likewise.
9450 (output_die): Likewise.
9451 (prune_unused_types_walk_attribs): Likewise.
9453 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9455 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9457 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9460 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9462 2006-04-09 Roger Sayle <roger@eyesopen.com>
9464 * expr.c (store_constructor): Don't bother clearing target if
9465 we're about to assign a vector to it using vec_init_optab.
9467 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9469 * tree-ssa-alias.c (lhs_may_store_to): New function.
9470 (recalculate_used_alone): Handle LHS of calls.
9472 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9476 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9477 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9478 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9479 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9480 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9481 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9482 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9483 stubs. Add ".align 8" directives before all ".dword" directives.
9484 (GTHREAD_USE_WEAK): Revise comment.
9485 (TARGET_ATTRIBUTE_WEAK): Define.
9486 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9487 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9488 * stublib.c: New file.
9493 * pa.md (cbranch patterns): Revise arguments used in calls to
9494 output_cbranch, output_bb and output_bvd. Add long branch length
9496 (fbranch patterns): Handle long branches.
9497 (jump): Revise length check. Revise arguments for output_lbranch call.
9498 Add long branch length attributes.
9499 (decrement_and_branch_until_zero): Add long branch length attributes.
9500 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9501 Likewise. Revise arguments for output_parallel_addb and
9502 output_parallel_movb calls.
9503 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9504 output_parallel_movb and output_parallel_addb): Update prototypes.
9505 * pa.c (output_cbranch): Revise arguments. Correct handling of
9506 nullification in long branches.
9507 (output_lbranch): Add new argument to control extraction of delay
9509 (output_bb): Handle long branches.
9510 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9511 output_parallel_addb): Likewise.
9513 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9515 PR rtl-optimization/27073
9516 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9519 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9521 * tree.h (tree_memory_tag): Add old_used_alone.
9522 (SMT_OLD_USED_ALONE): New macro.
9523 * tree-ssa-alias.c (recalculate_used_alone): Stop
9524 marking things for renaming unnecessarily.
9526 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9528 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9529 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9530 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9531 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9532 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9533 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9534 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9535 spelling convensions.
9536 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9537 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9538 typos. Follow spelling conventions.
9540 2006-04-07 DJ Delorie <dj@redhat.com>
9542 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9543 passed on the stack.
9544 (m32c_init_cumulative_args): When a function returns a structure,
9545 always pass the pointer to that return area on the stack.
9546 (m32c_function_arg_advance): Don't increment the parameter number
9547 if we're processing the returned structure pointer.
9548 (pushm_info): Reverse order of registers.
9550 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9552 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9553 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9554 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9555 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9557 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9558 chrec_fold_multiply): Same.
9559 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9560 force_expr_to_var_cost): Same.
9561 * tree-mudflap.c (mf_xform_derefs_1): Same.
9562 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9564 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9566 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9567 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9570 2006-04-07 Jan Hubicka <jh@suse.cz>
9572 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9574 2006-04-07 Richard Guenther <rguenther@suse.de>
9576 PR tree-optimization/26135
9577 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9578 loads for store copy-prop.
9579 (copy_prop_visit_stmt): Likewise.
9581 2006-04-05 Robert Millan <robertmh@gnu.org>
9583 * config/i386/linux.h: Add a comment to mark macros that are
9584 being overriden in config/k*bsd-gnu.h.
9585 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9587 * config/knetbsd-gnu.h: Ditto.
9589 2006-04-06 Jan Hubicka <jh@suse.cz>
9593 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9596 2006-04-06 Mike Stump <mrs@apple.com>
9598 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9599 for HAVE_nonlocal_goto to be consistent.
9600 (expand_builtin_nonlocal_goto): Likewise.
9601 (expand_builtin_strcmp): Use #ifdef instead of #if
9602 for HAVE_cmpstrnsi to be consistent.
9604 2006-04-05 DJ Delorie <dj@redhat.com>
9606 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9609 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9611 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9612 got-relative addressing for anything but SImode.
9614 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9615 even if the calling function doesn't modify them.
9617 2006-04-05 Richard Guenther <rguenther@suse.de>
9619 PR tree-optimization/26919
9620 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9621 to cgraph_estimate_size_after_inlining.
9623 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9625 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9627 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9629 PR tree-optimization/26996
9630 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9631 VECTOR_TYPE variables.
9633 2006-04-05 Richard Guenther <rguenther@suse.de>
9635 PR tree-optimization/26763
9636 * fold-const.c (fold_comparison): Move folding of
9637 PTR + CST CMP PTR + CST ...
9638 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9640 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9642 * doc/install.texi (Prerequisites): Refine some wording on
9643 bootstrapping and ksh.
9644 Move the version numbers of DejaGnu here from the testing section
9645 and fix casing of names.
9646 Fix markup and clarify wording for autogen requirements.
9647 Refer to GCJ instead of just java.
9648 Refer to SVN instead of CVS.
9649 Describe diffutils as useful instead of necessary.
9650 (Downloading the source): Refer to SVN instead of CVS.
9651 Adjust a link to our web site accordingly.
9652 (Configuration): Fix casing of Bison.
9653 (Building): Refer to SVN instead of CVS.
9654 Fix a sentence on the use of Bison and remove duplicate (and
9655 incorrect) version number of Bison requirement.
9656 Remove one redundant list of packages needed for building.
9657 (Specific): Avoid reference to CVS.
9659 2006-04-04 Eric Christopher <echristo@apple.com>
9661 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9662 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9663 (rs6000_handle_struct_attribute): New.
9664 (rs6000_ms_bitfield_layout_p): Ditto.
9666 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9668 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9669 NULL for dso parameter to atexit_common.
9671 2006-04-04 Eric Christopher <echristo@apple.com>
9673 * config/i386/i386.c (machopic_output_stub): Output \t
9674 between instructions and operands.
9676 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9678 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9679 satisfies_constraint_[IL] to explicit tests on value.
9681 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9683 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9684 set_nb_iterations_in_loop): Use build_int_cst instead of
9686 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9687 build_int_cst instead of convert.
9689 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9691 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9692 new value 2 for incoming.
9693 * function.c (expand_function_start): Call struct_value_rtx
9695 * config/sparc/sparc.md: Comment updated_return.
9696 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9697 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9698 struct return if sparc_std_struct_return and incoming is 2.
9699 (print_operand): Do not adjust return if
9700 sparc_std_struct_return.
9702 2006-04-04 Roger Sayle <roger@eyesopen.com>
9704 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9705 convert in the middle-end.
9706 * expr.c (store_expr, store_constructor, get_inner_reference,
9707 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9709 * tree.c (build_range_type): Likewise.
9711 2006-04-04 Tom Tromey <tromey@redhat.com>
9713 * doc/install.texi (Prerequisites): Mention jar.
9715 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9717 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9720 2006-04-04 Matthias Klose <doko@debian.org>
9722 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9726 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9729 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9731 * doc/extend.texi (Function Attributes): Rewrite visibility
9732 attribute documentation.
9733 * doc/invoke.texi (C++ Dialect Options): Rewrite
9734 -fvisibility-inlines-hidden documentation to describe something
9735 entirely different, although in practise compatible.
9736 (Code Gen Options): Warn about system headers in -fvisibility=
9739 * doc/extend.texi (Other Builtins): Document that
9740 __builtin_nan is a compile-time constant only when its argument
9743 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9745 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9746 trying to remove TRUNCATE check if all bits outside the new mode
9747 are identical to the sign bit.
9749 2006-04-03 Jeff Law <law@redhat.com>
9751 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9752 and operand scanning in some common cases.
9754 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9755 Dale Johannesen <dalej@apple.com>
9758 * regclass.c (struct reg_pref): Update documentation.
9759 (regclass): Set prefclass to NO_REGS if memory is the best option.
9760 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9761 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9762 into account. For non-registers, equate an empty preferred
9763 reload class to a `!' in the constraint; move the if clause to
9764 do so after those that reject the insn.
9765 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9767 (find_dummy_reload): Likewise.
9768 * doc/tm.texi (Register Classes): Document what it means
9769 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9770 * config/i386/i386.c (ix86_preferred_reload_class): Force
9771 using SSE registers (and return NO_REGS for floating-point
9772 constants) if math is done with SSE.
9773 (ix86_preferred_output_reload_class): New.
9774 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9775 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9776 * config/i386/i386.md: Remove # register preferences.
9778 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9781 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9782 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9783 the type of nb_iter.
9784 (instantiate_parameters_1): Convert the operands before calling
9785 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9786 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9788 2006-04-02 Roger Sayle <roger@eyesopen.com>
9790 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9791 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9793 * dojump.c (do_jump): Likewise.
9794 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9795 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9796 gimplify_boolean_expr): Likewise.
9797 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9798 * varasm.c (array_size_for_constructor): Likewise.
9799 * tree-object-size.c (compute_object_offset): Likewise.
9801 2006-04-02 Roger Sayle <roger@eyesopen.com>
9804 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9805 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9807 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9809 PR tree-optimization/26939
9810 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9812 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9814 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9815 at_stmt. Convert the type of operands before calling
9816 build_polynomial_chrec.
9817 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9819 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9820 (instantiate_parameters_1): Convert the type of operands before calling
9821 build_polynomial_chrec.
9822 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9823 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9824 reset_evolution_in_loop): Insert asserts to check the types of the
9826 (chrec_type): Moved...
9827 (eq_evolutions_p): Use operand_equal_p.
9828 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9829 the types of the operands.
9830 (chrec_type): ...here.
9831 * tree-data-ref.c (create_data_ref): Convert the operands before
9832 calling chrec_replace_initial_condition.
9833 (same_access_functions, analyze_subscript_affine_affine,
9834 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9835 (compute_subscript_distance, analyze_ziv_subscript,
9836 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9837 analyze_miv_subscript): Convert the operands before calling
9838 chrec_fold_minus or chrec_fold_plus.
9840 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9842 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9843 the dependence_relations vector.
9844 (compute_data_dependences_for_loop): Adjust call to
9845 compute_all_dependences.
9847 2006-04-01 Roger Sayle <roger@eyesopen.com>
9848 Richard Henderson <rth@redhat.com>
9850 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9851 gimple_boolify on the condition before calling gimplify_expr.
9853 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9855 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9856 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9857 the frame size. Update to use the new macros.
9858 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9859 * config/xtensa/ieee754-df.S: Likewise.
9861 2006-03-31 Richard Henderson <rth@redhat.com>
9863 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9864 (make_edges): ... here. Control fallthru creation with a local
9865 variable. Do not play with fake edges.
9866 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9867 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9870 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9872 * dwarf2.h (DW64_CIE_ID): Define.
9873 * dwarf2out.c (DWARF_CIE_ID): Define.
9874 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9875 length header. Use DWARF_CIE_ID.
9876 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9877 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9879 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9881 * config/sh/linux-atomic.asm: New file.
9882 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9884 2006-03-31 DJ Delorie <dj@redhat.com>
9886 * config/m32c/cond.md: Set condition flags properly throughout.
9887 * config/m32c/minmax.md: Likewise.
9888 * config/m32c/prologue.md: Likewise.
9889 * config/m32c/bitops.md: Likewise.
9890 * config/m32c/muldiv.md: Likewise.
9891 * config/m32c/mov.md: Likewise.
9892 * config/m32c/addsub.md: Likewise.
9893 * config/m32c/m32c.md: Likewise.
9894 * config/m32c/jump.md: Likewise.
9895 * config/m32c/shift.md: Likewise.
9897 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9898 conditionally output the pattern for this.
9899 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9900 (m32c_compare_redundant): New.
9901 (m32c_output_compare): New.
9902 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9904 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9905 dest, not src. Allow other 4-byte modes.
9907 2006-03-30 Denis Chertykov <denisc@overta.ru>
9909 * doc/md.texi: Refer to avr/constraints.md instead of
9912 2006-03-30 Roger Sayle <roger@eyesopen.com>
9914 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9915 signed vs. unsigned comparison failures on some hosts.
9917 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9920 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9921 change to FLOAT_REGS.
9923 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9924 (rs6000_override_options): Use it.
9925 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9926 only for -mabi=spe/no-spe and -mabi=altivec.
9928 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9930 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9933 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9935 * Makefile.in: Rename docdir to gcc_docdir.
9937 2006-03-30 Roger Sayle <roger@eyesopen.com>
9940 * expr.c (emit_group_store): Optimize group stores into a pseudo
9941 register by using a paradoxical subreg to initialize the destination
9942 if the first or last member of the group specifies a "low part".
9944 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9947 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9948 * target.h (struct gcc_target.speculate_insn): Change type of the
9949 second parameter to 'int'.
9950 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9951 the second operand of the DEPS_LIST.
9952 (copy_DEPS_LIST_list): Update reference to the second operand of the
9954 * rtl.h (alloc_DEPS_LIST): Update signature.
9955 * sched-int.h (ds_t): Change typedef to 'int'.
9956 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9958 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9960 * haifa-sched.c (try_ready): Change condition to restore
9961 non-speculative pattern of the instruction.
9962 (process_insn_depend_be_in_spec): Code to keep probability of the
9963 speculative dependence non-decreasing.
9965 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9967 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9968 (single_move_for_movmem): ... this. Also change all uses.
9969 (bfin_expand_strmov): Renamed to...
9970 (bfin_expand_movmem): ... this. Also change all uses.
9971 * config/bfin/bfin.md (movstrsi): Renamed to...
9972 (movstrsi): ...this.
9974 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9976 PR tree-optimization/26830
9978 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9979 (copy_prop_visit_stmt): Remove write-only variable ann.
9980 (init_copy_prop): Check variable loop depth here. Do not simulate
9981 memory-tag and virtual operand PHIs except for store copy prop.
9983 2006-03-30 Richard Guenther <rguenther@suse.de>
9985 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9986 variants with double arguments.
9988 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9990 * genpreds.c (write_tm_constrs_h): Delete variable p.
9991 * genconditions.c (write_header): Add tm-constrs.h to included
9993 * genpeep.c (main): Add toplev.h to included headers.
9994 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9995 (build/genpeep.o): Add toplev.h dependency.
9996 * config/rs6000/constraints.md: Add "W" constraint.
9998 2006-03-29 Roger Sayle <roger@eyesopen.com>
10000 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10001 sizes by correctly testing whether the size fits a host integer.
10002 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10003 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10004 SImode range for the default sizetype and bitsizetype.
10006 2006-03-29 Roger Sayle <roger@eyesopen.com>
10008 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10009 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10010 quickly if the argument is already of the correct type.
10011 Call fold_build1 instead of build1. Tidy up blank lines.
10013 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10015 * genemit.c (main): Add tm-constrs.h to included headers.
10016 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10017 * genpeep.c (main): Add tm-constrs.h to included headers.
10018 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10019 (write_tm_constrs_h): this and write complete file.
10020 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10021 (write_insn_preds_c): Add tm-constrs.h to included headers.
10022 (gen_constrs): New variable.
10023 (parse_option): Parse "-c".
10024 (main): Invoke write_tm_constrs_h.
10025 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10026 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10027 (object_out_file): Add tm-constrs.h dependency.
10028 (insn-emit.o): Same.
10029 (insn-output.o): Same.
10030 (insn-peep.o): Same.
10031 (insn-preds.o): Same.
10032 (insn-recog.o): Same.
10033 (tm-constsr.h): New target.
10034 (s-constrs-h): New target.
10036 * config/rs6000/constraints.md: New file.
10037 * config/rs6000/rs6000.c: Include tm-constrs.h.
10038 (num_insn_constant_wide): Convert to satisfies_constraint.
10039 (rs6000_rtx_costs): Convert to satisfies_constraint.
10040 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10041 (CONST_OK_FOR_LETTER_P): Delete.
10042 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10043 (EXTRA_CONSTRAINT): Delete.
10044 (EXTRA_MEMORY_CONSTRAINT): Delete.
10045 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10046 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10047 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10048 satisfies_constraint.
10050 * config/i386/i386.c: Include tm-constrs.h.
10052 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10054 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10055 * tree-data-ref.c (find_data_references_in_loop,
10056 compute_data_dependences_for_loop): Use pointers to VEC.
10057 (analyze_all_data_dependences): Adjust calls.
10058 * tree-data-ref.h (find_data_references_in_loop,
10059 compute_data_dependences_for_loop): Adjust declarations.
10060 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10061 compute_data_dependences_for_loop.
10063 2006-03-29 Paul Brook <paul@codesourcery.com>
10065 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10066 (movdf_vfp): Ditto.
10068 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10070 PR tree-optimization/26859
10071 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10073 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10074 for the step after fold_convert.
10076 2006-03-29 Paul Brook <paul@codesourcery.com>
10078 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10079 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10081 2006-03-29 Paul Brook <paul@codesourcery.com>
10083 PR middle-end/23623
10084 * targhooks.c (default_narrow_bitfield): New fuction.
10085 * targhooks.h (default_narrow_bitfield): add prototype.
10086 * target.h (gcc_target): Add narrow_volatile_bitfield.
10087 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10088 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10089 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10090 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10092 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10094 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10096 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10097 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10098 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10099 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10100 (s390_function_arg_float): Allow SDmode and DDmode values to be
10101 passed in floating point registers.
10102 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10103 check with SCALAR_FLOAT_MODE_P.
10104 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10106 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10108 PR tree-optimization/25985
10109 * tree-ssa-loop-niter.c (number_of_iterations_le,
10110 number_of_iterations_ne): Make comments more precise.
10111 (number_of_iterations_cond): Add only_exit argument. Use the
10112 fact that signed variables do not overflow only when only_exit
10114 (loop_only_exit_p): New.
10115 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10116 number_of_iterations_cond.
10118 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10120 PR tree-optimization/26643
10121 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10124 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10126 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10127 (divsi3_i4_int): Likewise.
10129 2006-03-28 Roger Sayle <roger@eyesopen.com>
10131 * expr.c (emit_group_store): Only create a new pseudo reg if the
10132 quantity it needs to hold isn't already a suitable pseudo.
10134 2006-03-28 Jeff Law <law@redhat.com>
10136 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10137 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10139 2006-03-28 Roger Sayle <roger@eyesopen.com>
10141 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10142 the equivalent ~X & Y, and the symmetry related transformations.
10143 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10144 ~X & Y, and symmetry related transforms.
10146 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10148 Revert my 2006-03-27 patches.
10150 2006-03-28 Roger Sayle <roger@eyesopen.com>
10152 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10153 ~(T1)X, when T1 and T2 are integer types of the same precision
10154 and (T2)X isn't an extension.
10156 2006-03-28 Jeff Law <law@redhat.com>
10158 PR tree-optimization/26796
10159 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10160 need EH edge cleanups rather than purging them immediately.
10161 (eliminate_degenerate_phis): Handle queued EH cleanups.
10163 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10165 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10168 2006-03-27 Roger Sayle <roger@eyesopen.com>
10170 PR middle-end/22524
10171 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10172 cast BIT_NOT_EXPR operand to the correct type.
10174 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10176 * tree-loop-linear.c: Don't include varray.h.
10177 (gather_interchange_stats, try_interchange_loops,
10178 linear_transform_loops): Use VEC instead of VARRAY.
10179 * lambda-mat.c: Don't include varray.h.
10180 * tree-chrec.c: Same.
10181 * lambda-trans.c: Same.
10182 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10183 VEC instead of VARRAY.
10184 * tree-vectorizer.h: Idem.
10185 * tree-data-ref.c (dump_data_references,
10186 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10187 initialize_data_dependence_relation, finalize_ddr_dependent,
10188 compute_all_dependences, find_data_references_in_loop,
10189 compute_data_dependences_for_loop, analyze_all_data_dependences,
10190 free_dependence_relation, free_dependence_relations,
10191 free_data_refs): Idem.
10192 * tree-data-ref.h (data_reference_p, subscript_p): New.
10193 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10194 VEC instead of VARRAY.
10195 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10196 (find_data_references_in_loop, compute_data_dependences_for_loop,
10197 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10198 dump_data_dependence_relations, free_dependence_relations,
10199 free_data_refs): Adjust declaration.
10200 (lambda_transform_legal_p): Move declaration here...
10201 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10202 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10203 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10204 vect_analyze_data_refs): Use VEC instead of VARRAY.
10205 * lambda.h (lambda_transform_legal_p): ...from here.
10206 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10207 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10208 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10209 tree-chrec.o): Don't depend on VARRAY_H.
10211 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10213 * rtl.def (Copyright): Update date.
10214 (DEPS_LIST): Change type of the second operand to 'int'.
10215 * target.h (Copyright): Update date.
10216 (struct gcc_target.speculate_insn): Change type of the second parameter
10218 * lists.c (Copyright): Update date.
10219 (alloc_DEPS_LIST): Change signature. Update reference to the second
10220 operand of the DEPS_LIST.
10221 (copy_DEPS_LIST_list): Update reference to the second operand of the
10223 * rtl.h (Copyright): Update date.
10224 (alloc_DEPS_LIST): Update signature.
10225 * sched-int.h (Copyright): Update date.
10226 (ds_t): Change typedef to 'int'.
10227 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10229 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10231 * haifa-sched.c (Copyright): Update date.
10232 (try_ready): Change condition to restore non-speculative pattern
10233 of the instruction.
10234 (process_insn_depend_be_in_spec): Code to keep probability of the
10235 speculative dependence non-decreasing.
10237 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10239 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10240 shut up the compiler.
10242 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10244 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10245 to use lib prefix for target.
10246 ($(T)libic_invalidate_array_4-200.a): Likewise.
10247 ($(T)libic_invalidate_array_4a.a): Likewise.
10249 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10250 J"orn Rennecke <joern.rennecke@st.com>
10252 * superh.opt: New file.
10253 * sh.c (boardtype, osruntime): Remove.
10254 * superh.h (SUBTARGET_OPTIONS): Remove.
10255 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10257 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10258 arguments with ^ and/or [].
10260 * config.gcc (sh-*-*): Add quoting to account for quirk of
10262 Replace == with = in enable_incomplete_targets test.
10264 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10265 with MASK_LITTLE_ENDIAN.
10267 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10268 * config/sh/sh.opt: Added to some comments.
10269 * config/sh/superh.h: Removed some chaff.
10271 * config/sh/sh.opt: Add m4-[1234]00* options.
10272 * config/sh/sh.c (sh_handle_option): Likewise.
10273 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10274 (ic_invalidate_array_4-100.o): New rule.
10275 ($(T)libic_invalidate_array_4-100.a): Likewise.
10276 (ic_invalidate_array_4-200.o): Likewise.
10277 ($(T)libic_invalidate_array_4-200.a): Likewise.
10278 (ic_invalidate_array_4a.o): Likewise.
10279 ($(T)libic_invalidate_array_4a.a): Likewise.
10280 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10281 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10283 * config/sh/crt1.asm: Merged in profiling code.
10284 * config/sh/superh.h (STARTFILE_SPEC): Override.
10285 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10286 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10287 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10289 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10290 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10291 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10293 * sh.opt (mpretend-cmove): New option.
10294 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10295 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10296 (movsicc): Add TARGET_PRETEND_CMOVE code.
10298 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10300 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10301 s390_class_max_nregs): New function prototypes.
10302 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10303 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10304 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10305 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10307 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10309 * dwarf2out.c (add_location_or_const_value_attribute): Call
10310 tree_add_const_value_attribute if nothing else works.
10311 (reference_to_unused): New.
10312 (rtl_for_decl_init): Use reference_to_unused to decide whether
10313 to output an initializer.
10315 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10318 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10319 peephole removing spe frob_di_df_2.
10321 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10323 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10324 (subscript_dependence_tester_1): Declared.
10325 (print_dir_vectors, print_dist_vectors): New.
10326 (debug_data_dependence_relation): New.
10327 (dump_data_dependence_relation): Print more details.
10328 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10329 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10330 (save_dist_v, save_dir_v, add_outer_distances,
10331 build_classic_dist_vector_1): New.
10332 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10333 Don't test for lambda_vector_lexico_pos.
10334 (same_access_functions, add_multivariate_self_dist,
10335 add_other_self_distances, dir_from_dist): New.
10336 (build_classic_dir_vector): Replace implementation almost identical to
10337 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10339 (subscript_dependence_tester_1): New.
10340 (subscript_dependence_tester): Handle the lexicographically negative
10341 distance vectors by recomputing the dependence relation.
10342 (compute_affine_dependence): Remove parameter loop_nest_depth.
10343 (compute_self_dependence): Don't call compute_subscript_distance.
10344 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10345 Add a parameter for the loop_nest.
10346 (find_loop_nest_1, find_loop_nest): New.
10347 (compute_data_dependences_for_loop): Compute the loop nest, and give
10348 up if the nest is not well formed.
10349 * tree-data-ref.h (loop_p): New.
10350 (struct data_dependence_relation): Replace size_vect field with
10351 loop_nest, a vec of loops.
10352 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10353 (DDR_LOOP_NEST): New.
10354 (print_dir_vectors, print_dist_vectors,
10355 debug_data_dependence_relation): Declared.
10356 (index_in_loop_nest): New.
10357 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10358 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10361 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10363 * simplify-rtx.c (simplify_relational_operation): Call
10364 simplify_relational_operation_1 even if mode is VOIDmode.
10366 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10368 PR tree-optimization/26804
10369 * tree.h (DECL_CALL_CLOBBERED): New macro.
10370 (tree_decl_common): Add call_clobbered_flag.
10371 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10372 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10373 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10374 (mark_non_addressable): Ditto.
10375 * tree-ssa.c (verify_call_clobbered): New function.
10376 (verify_alias_info): Use it.
10377 * tree-pass.h (pass_reset_cc_flags): New prototype.
10378 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10379 (reset_cc_flags): New function.
10380 * passes.c (init_optimization_passes): Call reset_cc_flags after
10381 initializing referenced_vars.
10383 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10384 Roger Sayle <roger@eyesopen.com>
10386 PR middle-end/26717
10387 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10388 to 1.0 for non-real operands. Implement A / A optimization for
10391 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10393 * config/i386/i386.c (size_cost): Correct the comment for
10394 cost of storing fp registers.
10395 (i386_cost): Likewise.
10396 (i486_cost): Likewise.
10397 (pentium_cost): Likewise.
10398 (pentiumpro_cost): Likewise.
10399 (k6_cost): Likewise.
10400 (athlon_cost): Likewise.
10401 (k8_cost): Likewise.
10402 (pentium4_cost): Likewise.
10403 (nocona_cost): Likewise.
10404 (generic64_cost): Likewise.
10405 (generic32_cost): Likewise.
10407 2006-03-24 Denis Chertykov <denisc@overta.ru>
10409 * config/avr/avr-protos.h (extra_constraint): Delete.
10410 (extra_constraint_Q): New declaration.
10411 * config/avr/constraints.md: New file.
10412 * config/avr/avr.md: Include it.
10413 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10414 (TMP_REGNO, ZERO_REGNO): Likewise.
10415 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10416 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10417 (extra_constraint): Delete.
10418 (extra_constraint_Q): Test for memory constraint 'Q'.
10419 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10420 (REG_CLASS_FROM_LETTER): Delete.
10421 (CONST_OK_FOR_LETTER_P): Delete.
10422 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10423 (EXTRA_CONSTRAINT): Delete.
10424 (TMP_REGNO): Delete.
10425 (ZERO_REGNO): Delete.
10427 2006-03-24 Jeff Law <law@redhat.com>
10429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10430 directly. Call mark_new_vars_to_rename slightly earlier.
10432 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10434 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10435 (is_cxx): Likewise.
10436 (gen_compile_unit_die): Use new language types for Objective-C and
10438 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10439 DW_LANG_C_plus_plus.
10442 * config/t-darwin (crt3.o): Work around bug 26840.
10443 * config/darwin-crt3.c: Rewrite.
10444 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10446 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10448 * doc/invoke.texi: Document -femit-class-debug-always
10449 * common.opt: Add -femit-class-debug-always.
10451 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10453 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10454 index and base register.
10455 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10456 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10457 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10458 REGNO_OK_FOR_INDEX_P.
10459 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10461 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10462 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10463 REG_OK_FOR_BASE_P): Definitions removed.
10465 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10467 PR middle-end/26611
10468 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10469 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10470 set yet or weren't marked as local yet.
10472 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10474 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10477 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10479 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10480 (rs6000_legitimate_small_data_p): Delete.
10481 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10482 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10483 and make static. Add forward declaration. Update uses.
10484 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10485 of offsettable_memref_p.
10486 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10487 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10489 2006-03-24 Jeff Law <law@redhat.com>
10491 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10492 around bug in immediate-use iterator.
10494 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10497 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10498 or __LITTLE_ENDIAN__.
10500 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10502 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10503 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10504 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10505 * config/sh/sh.opt (mdiv=): Amend description.
10506 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10507 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10508 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10509 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10510 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10511 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10512 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10513 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10514 TARGET_DIVIDE_CALL_FP.
10516 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10518 * haifa-sched.c (choose_ready): Fix type of the local variable.
10519 Move local variables. Add comment.
10520 (check_reg_live): Change signature. Make callable from debugger.
10521 * sched-int.h (check_reg_live): Update signature.
10522 * sched-ebb.c (check_reg_live): Update parameters.
10523 * sched-rgn.c (check_reg_live): Ditto.
10524 (region_head_or_leaf_p): Check pointer before dereferencing.
10525 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10526 before reload on optimization levels below 1.
10528 2006-03-23 Richard Henderson <rth@redhat.com>
10530 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10534 * config/alpha/predicates.md (local_symbolic_operand): Reject
10537 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10540 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10541 expressions which have overflowed constants.
10543 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10545 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10547 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10549 * cfgloopmanip.c (create_loop_notes): Removed.
10550 * final.c (final_scan_insn): Do not handle loop notes.
10551 * jump.c (squeeze_notes): Ditto.
10552 * cfglayout.c (skip_insns_after_block,
10553 duplicate_insn_chain): Ditto.
10554 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10556 * cfgloop.h (create_loop_notes): Declaration removed.
10558 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10560 * varasm.c (output_constant_pool): Restore fnname and fndecl
10562 (assemble_start_function): Adjust call accordingly.
10563 (assemble_end_function): Likewise.
10565 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10568 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10571 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10573 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10576 * system.h (ICE_EXIT_CODE): New macro.
10577 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10578 (diagnostic_action_after_output): Likewise.
10579 * gcc.c (fatal_ice): New function.
10580 (execute): Use it instead of fatal.
10581 (fancy_abort): Likewise.
10582 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10584 2006-03-22 Jeff Law <law@redhat.com>
10586 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10587 iv_analyze_result returning false.
10589 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10591 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10593 2006-03-22 Richard Henderson <rth@redhat.com>
10595 PR middle-end/26084
10596 * except.c (duplicate_eh_regions_0): New.
10597 (duplicate_eh_region_1): Duplicate the children of the node as
10598 well as the node itself. Link them up properly.
10599 (duplicate_eh_region_2): Merge into ...
10600 (duplicate_eh_regions): ... here. Take copy_region argument, and
10601 copy only a sub-tree if asked. Simplify copying and fixup.
10602 (eh_region_outer_p): New.
10603 * except.h (duplicate_eh_regions): Update decl.
10604 (eh_region_outer_p): Declare.
10605 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10606 (lower_omp_master): Likewise.
10607 (lower_omp_ordered): Likewise.
10608 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10609 (move_stmt_r): Use it to remap labels. Handle recursion vs
10610 remap_decls_p properly.
10611 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10612 (find_outermost_region_in_block): New.
10613 (new_label_mapper): New.
10614 (move_sese_region_to_fn): Copy eh information to the new function
10616 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10618 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10621 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10623 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10624 into shared libraries.
10626 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10628 * doc/md.texi: Refer to i386/constraints.md instead of
10629 i386/predicates.md.
10630 * config/i386/constraints.md: New file, extracted from...
10631 * config/i386/predicates.md: ...here.
10632 * config/i386/i386.md: Include constraints.md.
10634 2006-03-21 Jason Merrill <jason@redhat.com>
10636 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10638 PR middle-end/20297
10639 * expr.c (init_block_move_fn): Force default visibility.
10640 (init_block_clear_fn): Likewise.
10641 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10642 * targhooks.c (default_external_stack_protect_fail): Likewise.
10644 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10646 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10647 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10648 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10649 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10650 (loadgp): Use mips_current_loadgp_style.
10651 (loadgp_noshared): New pattern.
10652 (sibcall_internal): Use MIPS_CALL.
10653 (sibcall_value_internal): Likewise.
10654 (sibcall_value_multiple_internal): Likewise.
10655 (call_internal): Likewise.
10656 (call_value_internal): Likewise.
10657 (call_value_multiple_internal): Likewise.
10658 (call_split): Use MIPS_CALL and add an 'S' constraint.
10659 (call_value_split): Likewise.
10660 (call_value_multiple_split): Likewise.
10661 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10662 (-mshared): New option.
10663 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10664 (mips_current_loadgp_style): Declare.
10665 * config/mips/mips.c (mips_classify_symbol): Avoid using
10666 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10667 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10668 TARGET_ABSOLUTE_ABICALLS.
10669 (override_options): Adjust comments. Improve the warning that is
10670 issued when -mabicalls and -G are used together.
10671 (mips_file_start): Remove comment.
10672 (mips_current_loadgp_style): New function.
10673 (mips_gnu_local_gp): New variable.
10674 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10676 (mips_output_function_prologue): Use mips_current_laodgp_style.
10677 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10678 the cprestore instruction.
10679 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10680 live for TARGET_ABSOLUTE_ABICALLS.
10681 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10682 (ASM_SPEC): Pass down -mshared and -mno-shared.
10683 (MIPS_CALL): New macro.
10684 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10686 * doc/invoke.texi (-mabicalls): Update documentation.
10687 (-mshared): Document.
10689 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10691 * config/ia64/unwind-hpux.c: New file.
10692 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10694 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10697 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10699 2006-03-21 Jeff Law <law@redhat.com>
10701 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10702 type conversions of a VR_VARYING source to a wider type.
10704 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10706 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10707 tm_file on Solaris 10 and later.
10708 (sparc64-*-solaris2*): Likewise.
10709 (sparc-*-solaris2*): Likewise.
10710 * config/sol26.h: Rename to config/sol2-6.h.
10711 * config/sol2-10.h: New file.
10713 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10716 * tree-ssa-pre.c (create_component_ref_by_pieces):
10719 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10722 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10723 return it immediately.
10725 2006-03-21 Michael Matz <matz@suse.de>
10727 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10729 (remove_arc, add_arc): Update num_out_arcs member.
10730 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10732 (cache_presence): New function.
10733 (compare_states_for_equiv): New function.
10734 (state_is_differed): Don't take number of outargs, adjust callers.
10735 Use new invariant for speeding up.
10736 (init_equiv_class): Create initial classes based on sorted
10738 (partition_equiv_class): Don't track out_arcs_num.
10739 (evaluate_equiv_classes): Call cache_presence on all states and
10742 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10744 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10745 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10746 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10747 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10749 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10750 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10751 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10752 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10753 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10755 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10756 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10757 (REGNO_REG_CLASS): ARGP is in PREGS.
10758 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10760 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10761 to deal with those addresses.
10762 * addresses.h: New file.
10763 * caller-save.c: Include "addresses.h".
10764 (init_caller_save): Use new base_reg_class function.
10765 * rtl-factoring.c: Include "addresses.h".
10766 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10767 * recog.c: Include "addresses.h".
10768 (preprocess_constraints): Use new base_reg_class function.
10769 * regrename.c: Include "addresses.h".
10770 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10771 functions. Keep track of a new var INDEX_CODE to compute valid
10773 (replace_oldest_value_addr): Likewise.
10774 (replace_oldest_value_mem): Use base_reg_class.
10775 * reload.c: Include "addresses.h".
10776 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10777 (find_reloads): Use new base_reg_class function.
10778 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10779 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10780 all callers and prototype changed.
10781 * reload1.c: Include "addresses.h".
10782 (maybe_fix_stack_asms): Use base_reg_class.
10783 * regclass.c: Include "addresses.h".
10784 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10785 (init_reg_autoinc): Use new base_reg_class function.
10786 (record_reg_classes): Likewise.
10787 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10788 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10789 Use new args to compute necessary class.
10791 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10792 regrename.o, rtl-factoring.o): Update dependencies.
10793 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10794 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10795 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10796 REG_OK_FOR_INDEX_P): Delete documentation.
10798 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10800 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10801 from V7 to V9 for Solaris 7 and above.
10803 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10805 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10806 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10807 argument pointers may not alias any other storage.
10808 * common.opt: Define option -fargument-noalias-anything.
10809 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10810 alias semantics is specified by flag_argument_noalias > 2.
10812 2006-03-20 Jeff Law <law@redhat.com>
10814 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10815 (pass_phi_only_cprop): Declare.
10816 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10817 with phi_only_cprop
10818 * tree-ssa-dom.c (degenerate_phi_result): New function.
10819 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10820 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10821 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10822 (eliminate_degenerate_phis): Likewise.
10823 (pass_phi_only_cprop): New pass descriptor.
10824 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10825 support code. Callers updated.
10826 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10827 (store_copy_prop): Likewise.
10828 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10830 2006-03-20 Jason Merrill <jason@redhat.com>
10833 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10834 (push_visibility, pop_visibility): Likewise.
10835 * c-pragma.h: Declare them.
10837 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10839 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10841 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10842 parameter and use get_ebb_head_tail.
10843 (sh_md_init_global): Adjust uses of find_regmode_weight.
10845 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10847 * function.h (struct function) <x_tail_recursion_reentry>:
10848 Rename to x_stack_check_probe_note.
10849 (tail_recursion_reentry): Rename to stack_check_probe_note.
10850 * function.c: Replace tail_recursion_reentry with
10851 stack_check_probe_note everywhere.
10852 (expand_function_start): Only emit a note for
10853 stack_check_probe_note with -fstack-protect.
10854 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10856 * emit-rtl.c (remove_unnecessary_notes): Remove.
10857 (pass_remove_unnecessary_notes): Remove.
10858 * rtl.h (remove_unnecessary_notes): Remove prototype.
10859 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10860 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10861 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10863 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10866 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10867 (valid_in_set): Handle ARRAY_REF.
10868 Change "if min_variant or VH" to asserts.
10869 (create_component_ref_by_pieces): Handle ARRAY_REF.
10870 (create_expression_by_pieces): Likewise.
10871 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10873 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10875 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10876 is operand of switch, not str[0].
10878 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10880 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10881 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10883 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10885 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10886 end of insn_extra_address_constraint declaration.
10888 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10890 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10891 (no-sum-in-toc): Same.
10892 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10894 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10895 NO_FP_IN_TOC for -fPIC instead of mask.
10897 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10898 (BOOT_LDFLAGS): Delete.
10900 * config/rs6000/t-aix52: Same.
10902 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10903 (stmsi[345678]_power): New.
10905 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10907 * config/ia64/ia64.opt: Add empty line to end of file.
10909 2006-03-17 Richard Guenther <rguenther@suse.de>
10911 PR middle-end/26721
10912 * builtins.c (get_pointer_alignment): For component style references
10913 adjust alignment to the component type alignment. Make sure
10914 to adjust alignment for component access of constants.
10916 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10918 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10919 unconditional jump.
10921 2006-03-17 Paul Brook <paul@codesourcery.com>
10923 * doc/install.texi: Docuemnt --with-mode.
10924 * config.gcc: Add --with-mode for arm*-*-*.
10925 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10927 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10929 * sh.c (max_labelno_before_reorg): New variable.
10930 (sh_reorg): Initialize it.
10931 (find_barrier): Check max_labelno_before_reorg before using
10932 label_to_alignment. Take length of explicit alignment insns
10933 into account. When seeing a UNSPECV_CONST_END, return it.
10935 * sh.c (fixup_mova): Set mode of affected label to QImode.
10936 (untangle_mova): New function.
10937 (find_barrier): Use it. Check mode of label before decrementing
10939 (sh_reorg): Likewise.
10940 Set mode of all insns back to VOIDmode.
10942 * sh.c (MOVA_LABELREF): New macro.
10943 (mova_p, fixup_mova, sh_reorg): Use it.
10944 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10945 ADDR_DIFF_VEC matches mova.
10947 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10949 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10950 with ATTRIBUTE_UNUSED.
10952 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10954 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10955 pointer, instead of assuming it is possible to derive the
10956 correct args size from a call insn.
10958 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10960 * rtl.h (CONST_INT_P): Define.
10961 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10962 instead of GET_CODE(x) == CONST_INT.
10963 (vax_rtx_costs): Likewise.
10964 (vax_output_int_move): Likewise.
10965 (vax_output_int_add): Likewise.
10966 (legitimate_constant_address_p): Likewise.
10967 (index_term_p): Likewise.
10968 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10969 * config/vax/vax.md (and<mode>3): Likewise.
10970 (ashrsi3): Likewise.
10972 (movstricthi): Likewise.
10973 (movstrictqi): Likewise.
10974 (rotrsi3): Likewise.
10975 (five unnamed insns): Likewise.
10977 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10979 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10980 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10981 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10982 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10983 Pass to ASM_OUTPUT_DWARF_OFFSET.
10984 * dwarf2out.c (debug_frame_section): New.
10985 (output_call_frame_info): Use debug_frame_section. Pass it to
10986 dw2_asm_output_offset.
10987 (output_die): Pass appropriate section to dw2_asm_output_offset.
10988 (output_compilation_unit_header): Likewise.
10989 (output_pubnames): Likewise.
10990 (output_aranges): Likewise.
10991 (enum dw_val_class): Break dw_val_class_lbl_offset into
10992 dw_val_class_lineptr and dw_val_class_macptr.
10993 (add_AT_lbl_offset): Delete.
10994 (add_AT_lineptr): New.
10995 (add_AT_macptr): New.
10996 (AT_lbl): Expect a lineptr or macptr.
10997 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10998 (attr_checksum): Likewise.
10999 (same_dw_val_p): Likewise.
11000 (size_of_die): Likewise.
11001 (value_format): Likewise.
11002 (output_die): Likewise.
11003 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11005 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11006 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11007 * config/darwin-protos.h (darwin_file_start): New.
11008 (darwin_asm_output_dwarf_offset): New.
11009 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11010 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11012 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11013 if not EH section; simplify.
11014 (darwin_file_start): New.
11015 (darwin_asm_output_dwarf_offset): New.
11016 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11018 (DEBUG_INFO_SECTION): Likewise.
11019 (DEBUG_ABBREV_SECTION): Likewise.
11020 (DEBUG_ARANGES_SECTION): Likewise.
11021 (DEBUG_MACINFO_SECTION): Likewise.
11022 (DEBUG_LINE_SECTION): Likewise.
11023 (DEBUG_LOC_SECTION): Likewise.
11024 (DEBUG_PUBNAMES_SECTION): Likewise.
11025 (DEBUG_STR_SECTION): Likewise.
11026 (DEBUG_RANGES_SECTION): Likewise.
11027 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11028 (ASM_OUTPUT_DWARF_OFFSET): New.
11030 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11032 * config.gcc (tm_defines): Always add to previous value rather
11035 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11037 * config/mips/predicates.md (splittable_const_int_operand): New,
11038 split from move_operand.
11039 (splittable_symbolic_operand): New.
11040 (move_operand): Add commentary. Use splittable_const_int_operand.
11041 Inline mips_atomic_symbolic_constant_p.
11042 * config/mips/mips.md: Add combine splitters for handling moves
11043 of splittable_const_int_operands and splittable_symbolic_operands.
11044 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11045 (mips_split_symbol): Declare.
11046 (mips_move_integer): Declare.
11047 * config/mips/mips.c (mips_split_p): Make global.
11048 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11049 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11050 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11051 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11052 (mips_offset_within_object_p): Handle block symbols.
11053 (mips_atomic_symbolic_constant_p): Delete.
11054 (mips_cannot_force_const_mem): Return false for constants that
11055 mips_legitimize_move can handle.
11056 (mips_use_blocks_for_constant_p): New function.
11057 (mips_split_symbol): Make global.
11058 (mips_move_integer): Likewise. Add a temporary register argument.
11059 (mips_legitimize_const_move): Use splittable_const_int_operand and
11060 splittable_symbolic_operand.
11061 (mips_use_anchors_for_symbol_p): New function.
11062 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11063 (mips_split_p): Declare.
11065 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11067 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11068 (mips*-*-linux*): Likewise.
11070 2006-03-16 Roger Sayle <roger@eyesopen.com>
11071 Daniel Speyer <dspeyer@wam.umd.edu>
11073 PR middle-end/18259
11074 * tree-dump.c (dump_real): New function.
11075 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11076 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11077 (tree-dump.o): Add $(REAL_H) to the dependencies.
11079 2006-03-16 Roger Sayle <roger@eyesopen.com>
11081 PR middle-end/21781
11082 * real.c (real_from_string): If the mantissa is zero, don't bother
11083 parsing the exponent as the result should always be zero.
11085 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11087 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11089 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11091 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11092 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11093 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11094 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11095 ia64_sched_finish_global): New static functions to implement
11096 hooks from gcc_target.sched.
11097 (spec_check_no, max_uid, pending_data_specs): New static variables.
11098 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11099 ia64_spec_check_src_p): New static functions.
11100 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11101 (TARGET_SCHED_ADJUST_COST): Removed.
11102 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11103 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11104 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11105 TARGET_SCHED_GEN_CHECK,
11106 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11107 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11108 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11109 Fixed to handle speculation checks.
11110 (rtx_needs_barrier): Fixed to handle speculative loads and
11112 (ia64_variable_issue): Added code to count speculative loads and their
11114 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11116 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11118 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11120 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11121 (ia64_reorg): Reset stops_p to NULL after it is freed.
11122 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11123 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11124 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11126 (data_speculative, control_speculative, check_load): New attributes.
11127 (mov<mode>_advanced, mov<mode>_speculative,
11128 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11129 zero_extend<mode>di2_speculative,
11130 zero_extend<mode>di2_speculative_advanced): New patterns for
11131 data and control speculative loads.
11132 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11134 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11135 New pattern for data and control speculation checks.
11136 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11137 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11138 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11139 Auxiliary definitions for the patterns.
11140 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11141 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11143 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11145 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11146 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11147 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11148 New resource constraints.
11149 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11151 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11152 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11153 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11154 msched-in-control-spec, msched-ldc, msched-control-ldc,
11155 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11156 msched-prefer-non-control-spec-insns,
11157 msched-count-spec-in-critical-path): New flags to tune speculative
11159 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11160 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11161 msched-in-control-spec, msched-ldc, msched-control-ldc,
11162 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11163 msched-prefer-non-control-spec-insns,
11164 msched-count-spec-in-critical-path): Document new flags.
11166 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11168 * target.h (struct spec_info_def): New opaque declaration.
11169 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11170 speculate_insn, needs_block_p, gen_check,
11171 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11172 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11173 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11174 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11175 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11176 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11178 (TARGET_SCHED): Use new macros.
11179 * rtl.h (copy_DEPS_LIST_list): New prototype.
11180 * sched-int.h (struct sched_info): Change signature of new_ready field,
11181 adjust all initializations. New fields: add_remove_insn,
11182 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11183 region_head_or_leaf_p.
11184 (struct spec_info_def): New structure declaration.
11185 (spec_info_t): New typedef.
11186 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11187 recovery_block, orig_pat.
11188 (glat_start, glat_end): New variables declaraions.
11189 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11191 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11192 DETACH_LIFE_INFO, USE_GLAT.
11193 (enum SPEC_SCHED_FLAGS): New enumeration.
11194 (NOTE_NOTE_BB_P): New macro.
11195 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11196 attach_life_info, debug_spec_status, check_reg_live): New functions.
11197 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11198 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11200 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11201 * ddg.c (get_block_head_tail): Adjust all uses.
11202 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11203 (sms_sched_info): Initialize new fields.
11204 (contributes_to_priority): Removed.
11205 * haifa-sched.c (params.h): New include.
11206 (get_block_head_tail): Adjust all uses.
11207 (ISSUE_POINTS): New macro.
11208 (glat_start, glat_end): New global variables.
11209 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11210 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11211 old_last_basic_block, before_recovery, current_sched_info_var,
11212 rgn_n_insns, luid): New static variables.
11213 (insn_cost1): New function. Move logic from insn_cost to here.
11214 (find_insn_reg_weight1): New function. Move logic from
11215 find_insn_reg_weight to here.
11216 (reemit_notes, move_insn, max_issue): Change signature.
11217 (move_insn1): Removed.
11218 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11219 extend_bb): New static functions to support extension of scheduler's
11221 (generate_recovery_code, process_insn_depend_be_in_spec,
11222 begin_speculative_block, add_to_speculative_block,
11223 init_before_recovery, create_recovery_block, create_check_block_twin,
11224 fix_recovery_deps): New static functions to support
11225 generation of recovery code.
11226 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11227 restore_bb_notes, move_block_after_check, move_succs): New static
11228 functions to support ebb scheduling.
11229 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11230 functions to support handling of register live information.
11231 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11232 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11233 add_jump_dependencies): New static functions.
11234 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11235 consistancy checking.
11236 (debug_spec_status): New function to call from debugger.
11237 (priority): Added code to handle speculation checks.
11238 (rank_for_schedule): Added code to distinguish speculative instructions.
11239 (schedule_insn): Added code to handle speculation checks.
11240 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11241 Fixed to handle ebbs.
11242 (move_insn): Added code to handle ebb scheduling.
11243 (max_issue): Added code to use ISSUE_POINTS of instructions.
11244 (choose_ready): Added code to choose between speculative and
11245 non-speculative instructions.
11246 (schedule_block): Added code to handle ebb scheduling and scheduling of
11247 speculative instructions.
11248 (sched_init): Initialize new variables.
11249 (sched_finish): Free new variables. Print statistics.
11250 (try_ready): Added code to handle speculative instructions.
11251 * lists.c (copy_DEPS_LIST_list): New function.
11252 * sched-deps.c (extend_dependency_caches): New function. Move logic
11253 from create_dependency_caches to here.
11254 (get_dep_weak, ds_merge): Make global.
11255 * genattr.c (main): Code to output prototype for
11256 dfa_clear_single_insn_cache.
11257 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11258 (output_dfa_clean_insn_cache_func): Code to output
11259 dfa_clear_single_insn_cache function.
11260 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11262 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11264 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11265 New static variables.
11266 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11267 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11269 (ebb_sched_info): Initialize new fields.
11270 (get_block_head_tail): Adjust all uses.
11271 (compute_jump_reg_dependencies): Fixed to use glat_start.
11272 (schedule_ebb): Code to remove unreachable last block.
11273 (schedule_ebbs): Added code to update register live information.
11274 * sched-rgn.c (region_sched_info): Initialize new fields.
11275 (get_block_head_tail): Adjust all uses.
11276 (last_was_jump): Removed. Adjust users.
11277 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11278 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11279 Implement new hooks.
11280 (check_dead_notes1): New static function.
11281 (struct region): New fields: dont_calc_deps, has_real_ebb.
11282 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11283 (BB_TO_BLOCK): Fixed to handle EBBs.
11284 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11285 (ebb_head): New static variable.
11286 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11287 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11289 (compute_dom_prob_ps): New assertion.
11290 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11291 global_live_at_start.
11292 (init_ready_list): New assertions.
11293 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11294 (new_ready): Add support for BEGIN_CONTROL speculation.
11295 (schedule_insns): Fixed code that updates register live information
11297 (schedule_region): Fixed to handle EBBs.
11298 (init_regions): Use extend_regions and check_dead_notes1.
11299 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11300 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11301 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11302 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11303 TARGET_SCHED_GEN_CHECK,
11304 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11305 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11306 * doc/invoke.texi (max-sched-insn-conflict-delay,
11307 sched-spec-prob-cutoff): Document.
11309 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11311 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11312 inter_tick, queue_index.
11313 (struct sched_info): Change signature of init_ready_list field.
11314 Adjust all initializations.
11315 (RESOLVED_DEPS): New access macro.
11316 (ready_add): Remove prototype.
11317 (try_ready): Add prototype.
11318 * sched-rgn.c (init_ready_list): Use try_ready.
11319 (schedule_region): Initialize
11320 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11321 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11322 (init_ready_list): Use try_ready.
11323 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11324 * lists.c (remove_list_elem): Remove `static'.
11325 (remove_free_INSN_LIST_elem): New function.
11326 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11327 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11328 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11330 (readyp): New variable.
11331 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11332 change_queue_index, resolve_dep): New static functions.
11333 (try_ready): New function. Adjust callers in sched-rgn.c and
11334 sched-ebb.c to use it instead of ready_add.
11335 (clock_var): Move at the begining of file.
11336 (rank_for_schedule): Fix typo.
11337 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11338 (ready_lastpos): Enforce assertion.
11339 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11340 update all callers.
11341 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11342 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11343 (queue_to_ready): Use free_INSN_LIST_list.
11344 (early_queue_to_ready): Fix typo.
11345 (schedule_block): Init readyp. Move init_ready_list call after the
11346 initialization of clock_var. Fix error in rejecting insn by
11347 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11348 that previously corrected INSN_TICKs. Add code for handling
11350 (set_priorities): Fix typo.
11351 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11352 Clarify comment and code that keeps current_sched_info->next_tail
11355 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11357 * sched-rgn.c (extend_rgns): New static function.
11358 (find_rgns): Use it.
11359 (gather_region_statistics, print_region_statistics): New static
11361 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11362 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11365 Andrey Belevantsev <abel@ispras.ru>
11367 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11368 * lists.c (unused_deps_list): New variable.
11369 (free_list): Add assertions to verify the proper distinguishing
11370 between INSN_LISTs and DEPS_LISTs.
11371 (find_list_elem, remove_list_elem, remove_list_node): New static
11373 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11374 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11375 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11376 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11378 (free_INSN_LIST_node): Likewise.
11379 * modulo-sched.c (current_sched_info): Initialize flags field.
11380 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11381 * rtl.def (DEPS_LIST): Define.
11382 * rtl.h: Declare new functions from lists.c.
11383 * sched-deps.c (spec_dependency_cache): New static variable.
11384 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11385 (add_dependence): Change return type to void. Move the logic to ...
11386 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11387 (delete_all_dependences): Add comment about forward_dependency_cache.
11388 Handle spec_dependency_cache. Handle DEPS_LISTs.
11389 (fixup_sched_groups): Clarify the change of priority of output
11390 and anti dependencies.
11391 (sched_analyze_2): Adjust add_dependence calls to create data
11392 speculative dependence.
11393 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11394 Adjust all callers. Handle DEPS_LISTS.
11395 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11396 presence of speculation.
11397 (init_dependency_caches, free_dependency_caches):
11398 Handle spec_dependency_cache.
11399 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11400 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11401 New static functions.
11402 (add_or_update_back_dep, add_or_update_back_forw_dep,
11403 add_back_forw_dep, delete_back_forw_dep): New functions.
11404 * sched-int.h (ds_t, dw_t): New typedefs.
11405 (struct sched_info): Add new field flags.
11406 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11407 Prototype new sched-deps.c functions.
11408 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11409 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11410 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11411 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11412 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11413 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11415 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11417 * sched-rgn.c (current_sched_info): Initialize flags field.
11418 (schedule_insns): Initialize current_sched_info before the sched_init
11420 * sched-ebb.c (current_sched_info): Initialize flags field.
11421 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11422 Call add_or_update_back_dep instead of add_dependence.
11423 Create control speculative dependencies.
11424 (schedule_insns): Initialize current_sched_info before the sched_init
11427 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11429 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11431 (sh_fallback_frame_state): Likewise.
11433 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11435 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11436 Do switch on default_use_cxa_atexit.
11437 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11438 * config/darwin-crt3.o: New.
11439 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11440 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11441 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11443 * config/rs6000/t-darwin: Move crt2.o building to here.
11444 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11445 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11448 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11450 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11451 from '! xxx' to '!xxx' for coding-style conformance.
11452 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11453 (EXTRA_CONSTRAINT): Likewise.
11454 * config/vax/vax.md (four unnamed insns): Likewise.
11456 2006-03-15 Paul Brook <paul@codesourcery.com>
11458 * config/arm/arm.c (minipool_pad): New.
11459 (add_minipool_forward_ref): Include pool alignment padding in address
11461 (push_minipool_fix): Set minipool_pad.
11462 (minipool_pad): Ditto.
11464 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11466 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11467 instead of GET_CODE() == MEM and REG_P() instead of
11469 (print_operand_address): Likewise.
11470 (vax_address_cost): Likewise.
11471 (vax_rtx_costs): Likewise.
11472 (vax_notice_update_cc): Likewise.
11473 (vax_output_int_add): Likewise.
11474 (INDEX_REGISTER_P): Likewise.
11475 (BASE_REGISTER_P): Likewise.
11476 (nonindexed_address_p): Likewise.
11477 (vax_mode_dependent_address_p): Likewise.
11478 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11479 (PRINT_OPERAND): Likewise.
11480 * config/vax/vax.md (ashlsi3): Likewise.
11481 (ashlsi3): Likewise.
11482 (some more unnamed insns): Likewise.
11484 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11486 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11487 iterator-style macro.
11488 (mark_control_dependent_edges_necessary): Update the use of
11489 EXECUTE_IF_CONTROL_DEPENDENT.
11491 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11493 * config/sh/predicates.md (cache_address_operand): Special.
11494 (ua_address_operand): Likewise.
11496 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11498 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11500 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11502 2006-03-15 Andreas Schwab <schwab@suse.de>
11504 * gensupport.c (identify_predicable_attribute): Don't free p_false
11505 when it is still in use.
11507 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11509 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11510 the default setting here.
11512 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11514 * tree-pass.h (pass_cfg): Remove.
11515 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11516 * passes.c (pass_cfg): Don't run it.
11518 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11520 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11521 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11523 (stack_regs_mentioned): Update the uses of
11524 stack_regs_mentioned_data. Don't access the array beyond its
11526 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11527 Don't include gt-reg-stack.h.
11529 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11530 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11532 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11534 PR middle-end/26684
11535 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11538 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11540 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11542 2006-03-14 Richard Guenther <rguenther@suse.de>
11544 PR tree-optimization/26672
11545 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11548 2006-03-14 Richard Guenther <rguenther@suse.de>
11550 PR tree-optimization/26667
11551 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11552 node for the callees. Always allow inlining if it will shrink
11555 2006-03-14 Richard Guenther <rguenther@suse.de>
11557 PR middle-end/26659
11558 * builtins.c (get_pointer_alignment): Prefer alignment
11559 information from decls over that from types.
11561 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11564 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11566 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11568 * config/rs6000/rs6000.opt (mdlmzb): New option.
11569 (msched-prolog, msched-epilog): Use Var not Mask.
11570 * doc/invoke.texi (-mdlmzb): Document.
11571 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11573 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11574 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11576 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11578 PR rtl-optimization/25739
11579 * bt-load.c (augment_live_range): Free tos pointer.
11581 * gensupport.c (identify_predicable_attribute): Free
11583 * gcov.c (create_file_names): Free name pointer.
11585 2006-03-13 Roger Sayle <roger@eyesopen.com>
11587 PR middle-end/26557
11588 * stmt.c (emit_case_nodes): Handle the case where the index is a
11589 CONST_INT, where the comparison mode is specified by the index type.
11591 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11593 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11596 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11598 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11599 (*branch_fp_inverted): Likewise.
11601 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11603 PR middle-end/25989
11604 * omp-low.c (expand_omp_for_generic): Mark istart0
11605 and iend0 as addressable.
11607 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11609 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11611 2006-03-13 Jeff Law <law@redhat.com>
11613 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11614 virtual operands are interesting.
11615 (vrp_visit_stmt): Corresponding changes.
11617 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11619 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11621 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11622 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11623 * config/bfin/crti.S: Use it instead of __PIC__.
11624 * config/bfin/crtn.S: Likewise.
11626 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11627 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11629 Lose 'G' modifier for call operand.
11630 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11631 recognize 'G' modifier.
11633 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11635 PR middle-end/18859
11636 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11637 * stmt.c (expand_case): Likewise.
11639 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11641 PR rtl-optimization/26254
11642 * loop-invariant.c (seq_insns_valid_p): New function.
11643 (move_invariant_reg): Only emit new code if it is valid.
11645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11647 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11649 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11650 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11651 (commit_one_edge_insertion): Do not look for loop notes.
11653 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11655 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11656 flag_test_coverage out of loop.
11658 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11660 * final.c (shorten_branches): Remove outdated comment, and turn
11661 the if branch that guards it to continue.
11663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11665 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11666 * cfgloop.h (struct loop): Remove unused fields.
11668 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11670 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11671 (-dL, -fdump-rtl-loop2): Update the dump file names
11673 * doc/invoke.texi: Update dump file names.
11675 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11677 * predict.c (estimate_probability): Remove.
11678 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11679 * basic-block.h (estimate_probability): Remove prototype.
11680 * passes.c (finish_optimization_passes): Dump branch prediction or
11681 profiling heuristics to the .profile tree dump.
11682 (init_optimization_passes): Unqueue pass_branch_prob.
11684 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11686 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11688 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11689 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11691 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11693 * function.h (frame_offset_overflow): Declare.
11694 * function.c (frame_offset_overflow): New function.
11695 (assign_stack_local_1): Call it to detect that the offset overflows.
11696 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11698 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11700 * config/sh/sh.c: Include alloc-pool.h.
11701 (label_ref_list_pool): New alloc pool.
11702 (label_ref_list_t): New type for lists of labels.
11703 (struct pool_node): Make wend a label_ref_list_t.
11704 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11706 (dump_table): Likewise.
11707 (sh_reorg): Set up the alloc pool before using add_constant and
11708 dump_table, and destroy it when finishing.
11710 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11712 * config/mips/mips.c: Remove redundant comment.
11714 2006-03-10 Jason Merrill <jason@redhat.com>
11717 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11718 the target was declared 'register'.
11720 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11722 * genpreds.c (write_insn_constraint_len): Change definition of
11723 insn_constraint_len to return size_t to match the declaration.
11725 2006-03-10 DJ Delorie <dj@redhat.com>
11727 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11729 (m32c_expand_insv): Fix test for an AND mask.
11731 2006-03-10 Richard Guenther <rguenther@suse.de>
11733 PR middle-end/26565
11734 * builtins.c (get_pointer_alignment): Handle component
11735 references for field alignment.
11737 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11739 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11740 when building with libgloss.
11741 (sh*elf): Implement --without-fp option.
11742 (sh64-superh-linux*): Don't multilib.
11744 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11746 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11748 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11750 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11751 Set it when one of the replacement functions returned true.
11752 Return TODO_cleanup_cfg if cfgchanged is true.
11753 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11755 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11757 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11758 instead of gen_lowpart.
11760 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11762 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11764 (mips_output_order_conditional_branch): Declare.
11765 * config/mips/mips.h (MIPS_BRANCH): New macro.
11766 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11767 for the comparison. Use gen_condjump.
11768 (mips_output_conditional_branch): Rework interface to take the
11769 asm templates for a direct branch and the inverse of a direct branch.
11770 (mips_output_order_conditional_branch): New function.
11771 (mips_builtin_branch_and_move): New function.
11772 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11773 branch condition. Use gen_single_cc as the condition for
11774 __builtin_mips_upper_* or __builtin_mips_lower_*.
11775 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11776 Use VOIDmode for the branch condition.
11777 * config/mips/predicates.md (order_operator): New predicate.
11778 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11779 (branch_fp): Rename to...
11780 (*branch_fp): ...this. Remove mode from comparison operator.
11781 Use new mips_output_conditional_branch interface.
11782 (branch_fp_inverted): Rename to...
11783 (*branch_fp_inverted): ...this and update as for *branch_fp.
11784 (*branch_zero<mode>): Rename to...
11785 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11786 Use mips_output_order_conditional_branch. Only accept ordered
11788 (*branch_zero<mode>_inverted): Rename to...
11789 (*branch_order<mode>_inverted): ...this and update as for
11790 *branch_order<mode>.
11791 (*branch_equality<mode>): Accept zero as the second operand to
11792 the equality operator. Use the new mips_output_conditional_branch
11794 (*branch_equality<mode>_inverted): Likewise.
11795 (condjump): New expander.
11796 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11798 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11799 (bc1any2t, bc1any2f): Likewise.
11800 (single_cc): New expander.
11801 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11803 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11805 * doc/md.texi: Update documentation of MIPS constraints.
11806 * config/mips/constraints.md: New file.
11807 * config/mips/mips.md: Include it.
11808 * config/mips/mips.c (mips_char_to_class): Delete.
11809 (override_options): Don't initialize mips_char_to_class.
11810 * config/mips/mips.h (mips_char_to_class): Delete.
11811 (REG_CLASS_FROM_LETTER): Delete.
11812 (CONST_OK_FOR_LETTER_P): Delete.
11813 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11814 (EXTRA_CONSTRAINT_Y): Delete.
11815 (EXTRA_CONSTRAINT_STR): Delete.
11816 (CONSTRAINT_LEN): Delete.
11817 (EXTRA_MEMORY_CONSTRAINT): Delete.
11819 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11821 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11822 original fn's eh regions.
11824 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11826 * fold-const.c (build_range_check): Make sure to use a valid type to
11827 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11830 (range_predecessor): New static function.
11831 (range_successor): Likewise.
11832 (merge_ranges): Use them to compute predecessors and successors of
11835 2006-03-09 Roger Sayle <roger@eyesopen.com>
11837 PR middle-end/26561
11838 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11839 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11841 2006-03-08 DJ Delorie <dj@redhat.com>
11843 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11844 (addpsi3): Expand to include memory operands. Remove
11845 reload-specific splits.
11846 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11847 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11848 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11849 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11850 (shift1_qi, shift1_hi, insv): New.
11851 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11852 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11853 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11855 * config/m32c/m32c-protos.h: Update as needed.
11856 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11857 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11858 Fail for unrecognized R* constraints.
11859 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11860 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11861 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11863 (m32c_init_libfuncs): New.
11864 (m32c_legitimate_address_p): Add debug wrapper.
11865 (m32c_rtx_costs): New.
11866 (m32c_address_cost): New.
11867 (conversions): Add 'B' prefix.
11868 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11869 operands, or word regnames for QI operands. 'B' prints bit
11871 (m32c_expand_setmemhi): New.
11872 (m32c_expand_movmemhi): New.
11873 (m32c_expand_movstr): New.
11874 (m32c_expand_cmpstr): New.
11875 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11876 (m32c_expand_neg_mulpsi3): Handle non-ints.
11877 (m32c_cmp_flg_0): New.
11878 (m32c_expand_movcc): New.
11879 (m32c_expand_insv): New.
11880 (m32c_scc_pattern): New.
11881 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11882 a0/a1 out of SIregs.
11883 (STORE_FLAG_VALUE): New.
11884 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11887 * config/m32c/mov.md: Make constraints more liberal.
11888 (zero_extendqihi2): Optimize r0/r1 case.
11889 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11890 * config/m32c/predicates.md (m32c_any_operand): New.
11891 (m32c_nonimmediate_operand): New.
11892 (m32c_hl_operand): New.
11893 (m32c_r3_operand): New.
11896 (memsym_operand): New.
11897 (memimmed_operand): New.
11898 (a_qi_operand): New.
11899 (m32c_eqne_operator): New.
11900 (m32c_1bit8_operand): New.
11901 (m32c_1bit16_operand): New.
11902 (m32c_1mask8_operand): New.
11903 (m32c_1mask16_operand): New.
11904 * config/m32c/blkmov.md: New file.
11905 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11907 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11909 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11910 unsigned to fix signed/unsigned comparison issue in
11911 DWARF2_FRAME_REG_OUT.
11912 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11913 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11915 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11916 of ptr into the ENABLE_CHECKING section.
11918 2006-03-08 Jeff Law <law@redhat.com>
11920 * tree-vrp.c (infer_value_range): Only count pointer uses
11921 and dereferences if -fdelete-null-pointer-checks is enabled.
11923 * tree-vrp.c (find_assert_locations): Infer value ranges for
11924 single use pointers, but do not create ASSERT_EXPRs for them.
11925 When a non-null range is inferred for a pointer, backwards
11926 propagate that range to other equivalent pointers through the
11929 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11932 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11933 language hook targets.
11934 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11935 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11936 if language hook targets were missing.
11938 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11940 * tree-ssa-opfinalize.h: Removed.
11941 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11943 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11944 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11945 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11946 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11947 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11948 finalize_ssa_v_must_def_ops): New.
11950 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11952 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11953 block as parameter.
11955 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11957 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11959 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11960 addresses with offsets; reorganize.
11962 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11963 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11964 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11966 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11969 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11971 2006-03-08 Ben Elliston <bje@au.ibm.com>
11973 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11975 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11978 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11981 2006-03-07 Richard Guenther <rguenther@suse.de>
11983 PR tree-optimization/26587
11984 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11986 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11988 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11990 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11992 * hooks.c (hook_bool_mode_rtx_true): New function.
11993 * hooks.h (hook_bool_mode_rtx_true): Declare.
11994 * toplev.c (compile_file): Call output_shared_constant_pool.
11995 * varasm.c (shared_constant_pool): New variable.
11996 (assemble_start_function, assemble_end_function): Remove arguments
11997 from call to output_constant_pool.
11998 (create_constant_pool): New function, split out from...
11999 (init_varasm_status): ...here.
12000 (force_const_mem): Choose between the shared and per-function constant
12001 pools. Set current_function_uses_const_pool when reusing old entries
12002 as well as when creating new ones.
12003 (mark_constant): Ignore data argument.
12004 (mark_constants): Remove pool argument.
12005 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12006 to decide whether the function uses a constant pool.
12007 (output_constant_pool_contents): New function, split out from...
12008 (output_constant_pool): ...here.
12009 (output_shared_constant_pool): New function.
12010 (init_varasm_once): Initialize shared_constant_pool.
12011 * output.h (output_constant_pool): Delete.
12012 (output_shared_constant_pool): Declare.
12013 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12014 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12016 2006-03-06 Nick Clifton <nickc@redhat.com>
12018 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12019 flag_strength_reduce.
12021 2006-03-06 Ben Elliston <bje@au.ibm.com>
12023 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12024 x86_64-*-linux* configurations.
12026 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12027 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12029 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12031 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12033 * basic-block.h: Remove the extern for
12034 rediscover_loops_after_threading.
12036 * cfgloop.c (cancel_loop): Make it static.
12037 * cfgloop.h: Remove the prototype for cancel_loop.
12039 * flow.c (recompute_reg_usage): Make it static.
12040 * rtl.h: Remove the prototype for recompute_reg_usage.
12042 * function.c (use_return_register): Make it static.
12043 * function.h: Remove the prototype.
12045 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12047 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12049 * recog.h: Remove the prototype for
12050 validate_change_maybe_volatile.
12052 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12054 * rtlanal.c (replace_reg): Remove.
12055 * rtl.h: Remove the prototype for replace_reg.
12057 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12059 * regclass.c (reg_scan_update): Remove.
12060 (reg_scan_mark_refs): Remove the last argument.
12061 * rtl.h: Remove the prototype for reg_scan_update.
12063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12065 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12066 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12067 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12068 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12069 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12070 loop-invariant.c, omp-low.c, opts.c, passes.c,
12071 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12072 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12073 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12074 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12075 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12076 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12080 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12081 * dwarf2out.h: Remove the prototype for
12082 dwarf2out_add_library_unit_info.
12084 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12086 * tree.c (add_var_to_bind_expr): Remove.
12087 * tree.h: Remove the prototype for add_var_to_bind_expr.
12089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12091 * regclass.c (n_non_fixed_regs): Remove.
12092 (init_reg_sets_1, globalize_reg): Remove all uses of
12094 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12098 * rtlanal.c (insns_safe_to_move_p): Remove.
12099 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12103 * expmed.c (expand_mult_add): Remove.
12104 * expr.h: Remove the prototype for expand_mult_add.
12106 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12108 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12109 and REG_SAVED_VAL_EXP constants.
12110 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12111 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12112 Handle regs stored by value.
12113 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12114 (execute_cfa_program): Handle DW_CFA_val_offset,
12115 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12116 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12117 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12118 (uw_install_context_1): Handle target regs stored by value.
12120 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12122 * tree-sra.c (tree_sra): Return todoflags;
12123 (generate_one_element): Set TODO_update_smt_usage if needed.
12124 (pass_sra): Remove TODO_update_smt_usage.
12125 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12127 (tree_ssa_forward_propagate_single_use_vars): Return
12128 TODO_update_smt_usage if we need to update SMT usage.
12129 (pass_forwprop): Remove TODO_update_smt_usage.
12131 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12133 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12134 (correct_use_link): Remove reference to get_stmt_operands.
12135 (update_stmt_operands): Likewise.
12136 (get_modify_expr_operands): New function factored out of
12137 parse_ssa_operands and get_expr_operands.
12138 Try to create V_MUST_DEFs for LHS by default.
12139 (get_expr_operands) <case MODIFY_EXPR>: Call
12140 get_modify_expr_operands.
12141 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12142 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12143 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12144 get_modify_expr_operands.
12146 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12148 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12149 * tree-flow.h: Remove the prototype for
12150 referenced_var_lookup_if_exists.
12152 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12154 PR rtl-optimization/26345
12156 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12158 2006-03-03 Roger Sayle <roger@eyesopen.com>
12160 PR tree-optimization/26524
12161 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12162 fold_convert to create a constant of the appropriate type.
12164 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12166 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12167 SYMBOL_REF_IN_BLOCK_P.
12168 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12169 of SYMBOL_FLAG_IN_BLOCK.
12170 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12171 instead of SYMBOL_REF_IN_BLOCK_P.
12172 * explow.c (use_anchored_address): Likewise.
12173 * rtl.c (rtx_size): Likewise.
12174 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12175 instead of SYMBOL_FLAG_IN_BLOCK.
12176 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12177 SYMBOL_REF_IN_BLOCK_P.
12178 (assemble_variable): Likewise.
12179 (output_constant_def_contents): Likewise.
12180 (output_constant_pool): Likewise.
12181 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12182 instead of SYMBOL_FLAG_IN_BLOCK.
12183 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12184 SYMBOL_REF_IN_BLOCK_P.
12185 (SYMBOL_REF_BLOCK): Likewise.
12186 (SYMBOL_REF_OFFSET): Likewise.
12187 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12188 SYMBOL_REF_IN_BLOCK_P.
12189 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12190 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12191 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12192 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12194 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12196 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12198 2006-03-02 Roger Sayle <roger@eyesopen.com>
12200 * simplify-rtx.c (simplify_unary_operation): When simplifying
12201 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12202 that we perform the right shift in the appropriate mode, and
12203 then extend or truncate the result to requested mode.
12205 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12207 * gengtype.c (main): Handle double_int type.
12208 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12209 * double-int.c: New file.
12210 * double-int.h: New file.
12211 * system.h: Include doubleint.h.
12212 * Makefile.in (SYSTEM_H): Include double-int.h.
12213 (double-int.o): Add.
12215 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12218 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12221 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12223 * tree-vrp.c (remove_range_assertions): Do not update statements
12226 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12228 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12230 * gcse.c (rest_of_handle_gcse): Ditto.
12231 * except.c (gate_handle_eh): Ditto.
12232 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12233 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12235 2006-03-02 Eric Christopher <echristo@apple.com>
12237 * config/i386/i386.c (machopic_output_stub): Add indirection to
12240 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12244 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12246 Sun Niagara specific optimizations.
12247 * config.gcc: Recognize niagara as target.
12248 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12249 (TARGET_CPU_niagara): Define.
12250 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12251 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12252 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12253 (ASM_CPU_SPEC): Likewise.
12254 (PROCESSOR_NIAGARA): New enum entry.
12255 (REGISTER_MOVE_COST): Handle Niagara.
12256 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12257 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12258 (sparc_override_options): Recognize "niagara", set appropriate
12259 default MASK_* values for it, and align functions to 32-bytes
12260 by default just like ULTRASPARC/ULTRASPARC3.
12261 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12262 (sparc64_initialize_trampoline): Likewise.
12263 (sparc_use_sched_lookahead): Use zero for niagara.
12264 (sparc_issue_rate): Use one for niagara.
12265 * config/sparc/niagara.md: New file.
12266 * config/sparc/sparc.md: Include it.
12267 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12268 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12269 when default cpu is niagara.
12270 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12271 (ASM_CPU_SPEC): Likewise.
12272 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12273 when default cpu is niagara.
12274 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12275 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12276 just like v9/ultrasparc/ultrasparc3.
12277 * doc/invoke.texi: Add documentation for "niagara" and improve
12278 existing documentation for ultrasparc variants.
12280 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12282 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12284 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12286 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12287 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12288 and say that only one is needed.
12289 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12290 * target.h (have_switchable_bss_sections): New hook.
12291 * explow.c (use_anchored_address): Check that the symbol is in a block.
12292 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12293 (bss_noswitch_section): New variables.
12294 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12295 (get_noswitch_section): New function.
12296 (get_block_for_section): Allow SECT to be null.
12297 (unlikely_text_section_p): Use SECTION_STYLE.
12298 (bss_initializer_p): New function.
12299 (get_variable_section): Move earlier in file. Take a new argument,
12300 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12301 Return one of the new *_sections in such cases.
12302 (get_block_for_decl): New function, extracting some logic from
12303 use_blocks_for_decl_p.
12304 (change_symbol_section): Remove in favor of...
12305 (change_symbol_block): ...this new function.
12306 (use_blocks_for_decl_p): Remove checks now performed by
12307 get_block_for_decl.
12308 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12309 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12310 (emit_local, emit_bss, emit_common): ...these new functions.
12311 Return true if the alignment was honored.
12312 (emit_tls_common): New function.
12313 (asm_emit_uninitialised): Delete.
12314 (assemble_variable_noswitch): New function, split out from...
12315 (assemble_variable): ...here. Don't make decisions about common
12316 variables here. Globalize all public decls that go into non-common
12317 sections. Check whether SYMBOL_REF_BLOCK is null.
12318 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12319 (output_constant_pool): Likewise.
12320 (init_varasm_once): Initialize the new section variables.
12321 (have_global_bss_p): New function.
12322 (categorize_decl_for_section): Use bss_initializer_p.
12323 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12324 (place_block_symbol): Assert that the symbol must be in a block.
12325 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12326 (TARGET_INITIALIZER): Include it.
12327 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12328 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12329 (SECTION_MACH_DEP): Bump by two.
12330 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12331 (unnamed_section): Mention SECTION_UNNAMED in comment.
12332 (named_section): Likewise SECTION_NAMED.
12333 (noswitch_section_callback): New type.
12334 (noswitch_section): New structure.
12335 (section): Add a noswitch_section alternative.
12336 (SECTION_STYLE): New macro.
12337 (tls_comm_section, comm_section, lcomm_section): Declare.
12338 (bss_noswitch_section, have_global_bss_p): Declare.
12339 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12340 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12342 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12343 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12346 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12348 * tree-vrp.c (execute_vrp): Return value.
12349 * regrename.c (rest_of_handle_regrename): Ditto.
12350 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12351 * tree-complex.c (tree_lower_complex): Ditto.
12352 (tree_lower_complex_O0): Ditto.
12353 * tracer.c (rest_of_handle_tracer): Ditto.
12354 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12355 * postreload.c (rest_of_handle_postreload): Ditto.
12356 * tree-tailcall.c (execute_tail_recursion): Ditto.
12357 (execute_tail_calls): Ditto.
12358 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12359 * tree.h (init_function_for_compilation): Ditto.
12360 * ipa-cp.c (ipcp_driver): Ditto.
12361 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12362 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12363 * final.c (compute_alignments): Ditto.
12364 (rest_of_handle_final): Ditto.
12365 (rest_of_handle_shorten_branches): Ditto.
12366 (rest_of_clean_state): Ditto.
12367 * omp-low.c (execute_expand_omp): Ditto.
12368 (execute_lower_omp): Ditto.
12369 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12370 * ipa-reference.c (static_execute): Ditto.
12371 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12372 * reorg.c (rest_of_handle_delay_slots): Ditto.
12373 (rest_of_handle_machine_reorg): Ditto.
12374 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12375 * flow.c (recompute_reg_usage): Ditto.
12376 (rest_of_handle_remove_death_notes): Ditto.
12377 (rest_of_handle_life): Ditto.
12378 (rest_of_handle_flow2): Ditto.
12379 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12380 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12381 (do_ssa_store_ccp): Ditto.
12382 (execute_fold_all_builtins): Ditto.
12383 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12384 * modulo-sched.c (rest_of_handle_sms): Ditto.
12385 * ipa-pure-const.c (static_execute): Ditto.
12386 * cse.c (rest_of_handle_cse): Ditto.
12387 (rest_of_handle_cse2): Ditto.
12388 * web.c (rest_of_handle_web): Ditto.
12389 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12390 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12391 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12392 * tree-nrv.c (tree_nrv): Ditto.
12393 (execute_return_slot_opt): Ditto.
12394 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12395 (create_structure_vars): Ditto.
12396 * loop-init.c (rtl_loop_init): Ditto.
12397 (rtl_loop_done): Ditto.
12398 (rtl_move_loop_invariants): Ditto.
12399 (rtl_unswitch): Ditto.
12400 (rtl_unroll_and_peel_loops): Ditto.
12401 (rtl_doloop): Ditto.
12402 * gimple-low.c (lower_function_body): Ditto.
12403 (mark_used_blocks): Ditto.
12404 * tree-ssa-sink.c (execute_sink_code): Ditto.
12405 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12406 (cgraph_early_inlining): Ditto.
12407 * global.c (rest_of_handle_global_alloc): Ditto.
12408 * jump.c (cleanup_barriers): Ditto.
12409 (purge_line_number_notes): Ditto.
12410 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12411 (rest_of_handle_if_after_reload): Ditto.
12412 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12413 (tree_ssa_loop_im): Ditto.
12414 (tree_ssa_loop_unswitch): Ditto.
12415 (tree_vectorize): Ditto.
12416 (tree_linear_transform): Ditto.
12417 (tree_ssa_loop_ivcanon): Ditto.
12418 (tree_ssa_empty_loop): Ditto.
12419 (tree_ssa_loop_bounds): Ditto.
12420 (tree_complete_unroll): Ditto.
12421 (tree_ssa_loop_prefetch): Ditto.
12422 (tree_ssa_loop_ivopts): Ditto.
12423 (tree_ssa_loop_done): Ditto.
12424 * predict.c (tree_estimate_probability): Ditto.
12425 * recog.c (split_all_insns_noflow): Ditto.
12426 (rest_of_handle_peephole2): Ditto.
12427 (rest_of_handle_split_all_insns): Ditto.
12428 * tree-eh.c (lower_eh_constructs): Ditto.
12429 * regmove.c (rest_of_handle_regmove): Ditto.
12430 (rest_of_handle_stack_adjustments): Ditto.
12431 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12432 * function.c (instantiate_virtual_regs): Ditto.
12433 (init_function_for_compilation): Ditto.
12434 (rest_of_handle_check_leaf_regs): Ditto.
12435 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12436 (rest_of_handle_gcse): Ditto.
12437 * ipa-type-escape.c (type_escape_execute): Ditto.
12438 * alias.c (rest_of_handle_cfg): Ditto.
12439 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12440 * profile.c (rest_of_handle_branch_prob): Ditto.
12441 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12442 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12443 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12444 * tree-dfa.c (find_referenced_vars): Ditto.
12445 * except.c (set_nothrow_function_flags): Ditto.
12446 (convert_to_eh_region_ranges): Ditto.
12447 (rest_of_handle_eh): Ditto.
12448 * emit-rtl.c (unshare_all_rtl): Ditto.
12449 (remove_unnecessary_notes): Ditto.
12450 * except.h (set_nothrow_function_flags): Ditto.
12451 (convert_to_eh_region_ranges): Ditto.
12452 * cfgexpand.c (tree_expand_cfg): Ditto.
12453 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12454 * tree-ssa-pre.c (do_pre): Ditto.
12455 (execute_fre): Ditto.
12456 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12457 (rest_of_handle_jump2): Ditto.
12458 * tree-sra.c (tree_sra): Ditto.
12459 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12460 (execute_mudflap_function_decls): Ditto.
12461 * tree-ssa-copy.c (do_copy_prop): Ditto.
12462 (do_store_copy_prop): Ditto.
12463 * ipa-prop.h (ipcp_driver): Ditto.
12464 * cfglayout.c (insn_locators_initialize): Ditto.
12465 * tree-ssa-forwprop.c
12466 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12467 * cfglayout.h (insn_locators_initialize): Ditto.
12468 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12469 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12470 (execute_late_warn_uninitialized): Ditto.
12471 * rtl.h (cleanup_barriers): Ditto.
12472 (split_all_insns_noflow): Ditto.
12473 (purge_line_number_notes): Ditto.
12474 (unshare_all_rtl): Ditto.
12475 (remove_unnecessary_notes): Ditto.
12476 (recompute_reg_usage): Ditto.
12477 (variable_tracking_main): Ditto.
12478 * integrate.c (emit_initial_value_sets): Ditto.
12479 * integrate.h (emit_initial_value_sets): Ditto.
12480 * tree-optimize.c (execute_free_datastructures): Ditto
12481 (execute_free_cfg_annotations): Ditto.
12482 (execute_fixup_cfg): Ditto.
12483 (execute_cleanup_cfg_pre_ipa): Ditto.
12484 (execute_cleanup_cfg_post_optimizing): Ditto.
12485 (execute_init_datastructures): Ditto.
12486 * tree-object-size.c (compute_object_sizes): Ditto.
12487 * combine.c (rest_of_handle_combine): Ditto.
12488 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12489 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12490 (rest_of_handle_reorder_blocks): Ditto.
12491 (rest_of_handle_partition_blocks): Ditto.
12492 * var-tracking.c (variable_tracking_main): Ditto.
12493 * tree-profile.c (tree_profiling): Ditto.
12494 * tree-vect-generic.c (expand_vector_operations): Ditto.
12495 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12496 * sched-rgn.c (rest_of_handle_sched): Ditto.
12497 (rest_of_handle_sched2): Ditto.
12498 * basic-block.h (free_bb_insn): Ditto.
12499 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12500 * tree-cfg.c (execute_build_cfg): Ditto.
12501 (remove_useless_stmts): Ditto.
12502 (split_critical_edges): Ditto.
12503 (execute_warn_function_return): Ditto.
12504 (execute_warn_function_noreturn): Ditto.
12505 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12506 * cfgrtl.c (free_bb_for_insn): Ditto.
12507 * passes.c (execute_one_pass): Run additional
12508 todos returned by execute function.
12509 * tree-pass.h (struct tree_opt_pass): Make execute
12512 2006-03-02 Richard Guenther <rguenther@suse.de>
12514 * tree-ssa-alias.c (find_used_portions): Consider taking
12515 the address as making the variable not write-only.
12517 2006-03-02 Nick Clifton <nickc@redhat.com>
12519 * config.gcc (default_use_cxa_atexit): Extend the description of
12520 this configure variable. Set its default value to "yes" for
12521 Linux, NetBSD and ELF targets on the assumption that they will
12522 use C libraries with the __cxa_atexit function.
12524 2006-03-02 Ben Elliston <bje@au.ibm.com>
12526 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12527 parameter as unused to suppress a build warning.
12529 2006-03-02 Ben Elliston <bje@au.ibm.com>
12531 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12534 2006-03-01 Roger Sayle <roger@eyesopen.com>
12537 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12538 declared name, the weak reference name, and the typeof name.
12539 (__gthrw): Avoid expanding the declared name suffix.
12540 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12542 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12544 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12546 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12547 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12548 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12549 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12550 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12551 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12552 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12553 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12554 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12555 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12556 (DW_END_default, DW_END_big, DW_END_little): New.
12557 (DW_END_lo_user, DW_END_hi_user): Define.
12558 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12559 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12560 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12563 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12565 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12567 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12569 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12571 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12573 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12574 to 'symbol_mem_tag'.
12576 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12579 2006-03-01 Roger Sayle <roger@eyesopen.com>
12581 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12583 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12586 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12587 MACHO_DYNAMIC_NO_PIC_P.
12588 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12590 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12593 * config/darwin-protos.h (darwin_asm_output_anchor):
12595 * config/darwin-sections.def (cstring_section):
12596 Add SECTION_MERGE to the flags.
12597 (literal4_section): Likewise.
12598 (literal8_section): Likewise.
12599 (objc_selector_refs_section): Likewise.
12600 (objc_cls_refs_section): Likewise.
12601 * config/darwin.c (darwin_asm_output_anchor): New
12603 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12605 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12607 Fix PR tree-optimization/26443
12608 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12609 to todo and PROP_tmt_usage to properties_destroyed.
12610 * tree-ssa-ccp.c (pass_ccp): Ditto.
12611 (pass_store_ccp): Ditto.
12612 * tree-ssa-dom.c (pass_dominator): Ditto.
12614 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12616 * tree-ssa-operands.c: Cleanup whitespace.
12617 (get_asm_expr_operands): Move before first invocation.
12618 (get_indirect_ref_operands): Likewise.
12619 (get_tmr_operands): Likewise.
12620 (get_call_expr_operands): Likewise.
12621 (append_def): Likewise.
12622 (append_use): Likewise.
12623 (append_v_may_def): Likewise.
12624 (append_v_must_def): Likewise.
12625 (add_call_clobber_ops): Likewise.
12626 (add_call_read_ops): Likewise.
12627 (add_stmt_operand): Likewise.
12628 (add_virtual_operand): Likewise.
12629 (build_ssa_operands): Likewise.
12631 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12633 PR middle-end/26022
12635 PR middle-end/24437
12636 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12637 with a call expr to ...
12638 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12640 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12642 * tree-vrp.c (extract_range_from_assert): Remove special
12643 handling for types with super-types.
12645 2006-03-01 Ben Elliston <bje@au.ibm.com>
12647 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12648 and powerpc64-*-linux* configurations.
12649 * config/t-dfprules: New file.
12651 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12652 Compile dfp-bit.c from the source directory using -DWIDTH and
12653 $DFP_CFLAGS to control the compilation of that file, rather than
12654 generating width-specific versions in the build directory.
12655 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12656 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12658 2006-02-28 Zack Weinberg <zackw@panix.com>
12660 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12663 2006-02-28 Eric Christopher <echristo@apple.com>
12665 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12666 Set up IN_LIBGCC definition of TARGET_64BIT.
12667 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12669 2006-02-28 Roger Sayle <roger@eyesopen.com>
12671 PR middle-end/14752
12672 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12673 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12674 cases via the construction of "expr != 0".
12676 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12678 * alias.c (alias_invariant, alias_invariant_size): Remove.
12679 (record_base_value): Remove.
12680 (memrefs_conflict_p): Don't look at alias_invariant.
12681 (end_alias_analysis): Don't free it.
12682 * alias.h (record_base_value): Remove prototype.
12684 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12685 Adam Nemet <anemet@caviumnetworks.com>
12687 * rtl.h (truncated_to_mode): Declare it.
12688 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12689 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12690 (RTL_HOOKS_INITIALIZER): Include it.
12691 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12692 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12693 reg_truncated_to_mode.
12694 * rtlanal.c (truncated_to_mode): Define it.
12695 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12697 2006-02-28 Jeff Law <law@redhat.com>
12699 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12700 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12701 the range allowed by TYPE_PRECISION.
12703 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12705 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12707 PR tree-optimization/26419
12708 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12711 2006-02-27 Zack Weinberg <zackw@panix.com>
12713 * doc/md.texi: Fix typo in previous change.
12715 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12719 2006-02-27 Zack Weinberg <zackw@panix.com>
12721 * rtl.def (define_constraint, define_register_constraint)
12722 (define_memory_constraint, define_address_constraint): New MD forms.
12723 * gensupport.c (process_rtx): Put define_constraint etc on the
12725 * genpreds.c (process_define_predicate): Adjust comment. Validate
12726 the name, and call validate_exp to validate the expression.
12727 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12728 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12729 all callers changed.
12730 (validate_exp, needs_variable, struct constraint_data)
12731 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12732 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12733 (const_dbl_constraints, constraint_max_namelen)
12734 (have_register_constraints, have_memory_constraints)
12735 (have_address_constraints, have_address_constraints)
12736 (have_extra_constraints, have_const_int_constraints)
12737 (have_const_dbl_constraints, mangle, add_constraint)
12738 (process_define_constraint, process_define_register_constraint)
12739 (write_enum_constraint_num, write_lookup_constraint)
12740 (write_insn_constraint_len, write_regclass_for_constraint)
12741 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12742 (write_insn_extra_memory_constraint)
12743 (write_insn_extra_address_constraint)
12744 (write_satisfies_constraint_fns): New.
12745 (write_tm_preds_h): If we have new-style constraint definitions,
12746 prototype the functions generated from them, and define the
12747 old constraint interface (still used by generic code) in terms of
12749 (write_insn_preds_c): If we have new-style constraint definitions,
12750 generate all relevant functions from those definitions.
12751 (main): Handle define_constraint etc.
12752 * genoutput.c (struct constraint_data, indep_constraints)
12753 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12754 (mdep_constraint_len): New data structures and functions, defined
12755 #ifdef USE_MD_CONSTRAINTS.
12756 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12757 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12758 use new logic to validate operand constraints against constraint
12760 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12762 * defaults.h: If none of the old-style constraint macros are
12763 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12764 old-style macros; and poison REG_CLASS_FROM_LETTER,
12765 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12767 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12768 * doc/md.texi: Document new constraint-definition mechanism and the
12769 C interface it provides. Remove references to old mechanism
12770 elsewhere in the document.
12771 (Machine Constraints): Use pathnames relative to gcc directory,
12772 i.e. config/ARCH/FILE. Change i386 section to refer to
12773 config/i386/predicates.md; update that section to match docstrings.
12774 * doc/tm.texi: Move all documentation of the old constraint-
12775 definition macros to their own section, clearly mark as obsolete.
12777 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12778 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12780 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12781 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12782 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12783 constraint strings.
12784 (splits and peepholes): Use satisfies_constraint_*.
12785 * config/i386/i386.c (memory_address_length)
12786 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12788 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12790 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12791 scalar operation to be put back into the loop.
12793 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12796 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12797 (extract_cie_info): Handle S flag in augmentation string.
12798 (execute_cfa_program): If context->signal_frame, execute also
12799 fs->pc == context->ra instructions.
12800 (uw_frame_state_for): If context->signal_frame, don't subtract one
12801 from context->ra to find FDE.
12802 (uw_update_context_1): Set context->signal_frame to
12804 (_Unwind_GetIPInfo): New function.
12805 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12806 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12808 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12809 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12810 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12811 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12812 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12813 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12814 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12815 x86_64_fallback_frame_state): Set fs->signal_frame.
12816 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12817 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12818 (frob_update_context): Likewise. Workaround missing S flag in
12819 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12820 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12821 Remove the psw_addr + 1 hack.
12823 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12825 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12826 with aggregates here.
12827 (find_func_aliases): Remove code for &<aggregate> from here.
12829 2006-02-26 Roger Sayle <roger@eyesopen.com>
12831 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12832 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12833 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12834 as (X & C) ne/eq 0.
12836 2006-02-26 Roger Sayle <roger@eyesopen.com>
12838 PR middle-end/19983
12839 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12841 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12843 * opts.c (decode_options): Do not handle flag_strength_reduce.
12844 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12845 and OPT_fstrength_reduce.
12846 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12847 flag_prefetch_loop_arrays for being nonzero.
12848 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12850 (fprefetch-loop-arrays-rtl): Removed.
12851 (flag_prefetch_loop_arrays): Do not specify the value.
12853 * doc/passes.texi: Update documentation of loop optimizer
12855 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12856 -frerun-loop-opt): Remove.
12858 2006-02-26 Richard Guenther <rguenther@suse.de>
12860 PR tree-optimization/26421
12861 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12862 in function calls that are ADDR_EXPRs as using the whole structure.
12864 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12866 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12867 * tree-pass.h (pass_loop_optimize): Remove.
12868 * passes.c (pass_loop_optimize): Never run it.
12869 * toplev.c (backend_init): Don't call init_loop.
12870 * opts.c (flag_loop_optimize_set): Remove.
12871 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12872 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12873 the old RTL loop optimizer when profiling enabled.
12874 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12875 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12876 pre-headers for the sake of the old RTL loop optimizer.
12877 * Makefile.in: Remove all references to loop.o.
12879 * doc/invoke.texi: Remove all references to -floop-optimize
12880 and -frerun-loop-opt.
12882 2006-02-26 Zack Weinberg <zackw@panix.com>
12884 * doc/md.texi (Machine Constraints): Refer to all files with paths
12885 relative to gcc directory (i.e. config/CPU/file). Add missing
12886 @table @code ... @end table to M32C subsection.
12888 2006-02-26 Roger Sayle <roger@eyesopen.com>
12890 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12892 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12894 2006-02-26 Roger Sayle <roger@eyesopen.com>
12895 James A. Morrison <phython@gcc.gnu.org>
12897 PR middle-end/21137
12898 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12899 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12900 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12901 signedness of the shift operation.
12903 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12905 PR tree-optimization/26359
12906 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12908 2006-02-25 Roger Sayle <roger@eyesopen.com>
12910 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12911 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12912 as X == 0, and some symmetry related transformations.
12913 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12915 2006-02-25 Roger Sayle <roger@eyesopen.com>
12917 PR middle-end/23673
12918 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12919 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12920 symmetry related transformations. Fold (X^C1) == C2 as
12923 2006-02-25 Juergen Weigert <jw@suse.de>
12924 Richard Guenther <rguenther@suse.de>
12926 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12928 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12930 * combine.c (gen_lowpart_or_truncate): Call
12931 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12933 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12935 * doc/invoke.texi: Move -fopenmp description to "Options for
12937 Remove reference to -lgomp.
12939 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12941 * doc/install.texi: Require GNU tar version 1.14.
12943 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12945 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12946 * doc/invoke.texi (C++ Dialect Options): Document
12947 -fno-use-cxa-get-exception-ptr.
12948 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12949 * configure: Regenerate.
12950 * c.opt (fuse-cxa-get-exception-ptr): New.
12951 * c-opts.c (c_common_handle_option): Handle
12952 OPT_fuse_cxa_get_exception_ptr.
12953 * c-common.c (flag_use_cxa_atexit): Update documentation.
12954 (flag_use_cxa_get_exception_ptr): New.
12955 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12956 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12958 (C_COMMON_OVERRIDE_OPTIONS): New.
12960 2006-02-24 Roger Sayle <roger@eyesopen.com>
12962 PR middle-end/24952
12963 * combine.c (try_combine): Explicitly check whether GET_CODE is
12964 a SET or a CLOBBER, instead on checking that it isn't a USE.
12966 2006-02-24 Roger Sayle <roger@eyesopen.com>
12968 * fold-const.c (fold_comparison): New subroutine of fold_binary
12969 containing transformations common to both the equality and
12970 ordering relational operators, factored out of fold_binary.
12971 (fold_binary): Separate out the equality operators (EQ_EXPR
12972 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12973 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12974 transformations common to both.
12975 (fold_div_compare): Fix latent bugs in the previously unreachable
12976 LT_EXPR and GE_EXPR cases.
12978 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12980 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12981 decl libname for clog to __clog on AIX.
12983 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12985 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12988 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12989 output traceback table for thunks. Localise rs6000_stack_info call.
12991 2006-02-23 Roger Sayle <roger@eyesopen.com>
12992 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12994 * gthr-posix.h (__gthrw): Fix typo in comment.
12996 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12998 * doc/cpp.texi (Character sets): Document that we do support
12999 input files to be in any character set.
13001 2006-02-23 Jeff Law <law@redhat.com>
13003 * tree.h (PHI_ARG_NONZERO): Remove.
13004 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13005 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13006 node to the new node.
13008 PR tree-optimization/26425
13009 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13010 min/max, then assume its varying.
13012 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13014 PR rtl-optimization/26316
13015 * rtlanal.c (enum may_trap_p_flags): New.
13016 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13017 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13018 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13019 (may_trap_after_code_motion_p): New function.
13020 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13021 (find_invariant_insn): Use may_trap_after_code_motion_p.
13022 * rtl.h (may_trap_after_code_motion_p): Declare.
13024 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13026 * emit-rtl.c (immed_double_const): Cleanup.
13028 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13030 Fix PR tree-optimization/26376
13031 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13034 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13036 PR middle-end/26412
13037 * gimplify.c (omp_add_variable): Guard variable size decl test with
13038 DECL_SIZE (decl) check.
13040 2006-02-23 Richard Guenther <rguenther@suse.de>
13042 PR middle-end/26439
13043 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13044 like aggregate types.
13046 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13048 * configure.ac: Add --with{,out}-long-double-128 configure option.
13049 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13050 * configure: Rebuilt.
13051 * config.in: Rebuilt.
13052 * doc/install.texi (Options specification): Document
13053 --with-long-double-128.
13055 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13056 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13057 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13058 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13060 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13062 * config/s390/s390.c (override_options): Handle
13063 TARGET_DEFAULT_LONG_DOUBLE_128.
13065 * config/alpha/alpha.c (override_options): Handle
13066 TARGET_DEFAULT_LONG_DOUBLE_128.
13068 * config/sparc/sparc.c (sparc_override_options): Handle
13069 TARGET_DEFAULT_LONG_DOUBLE_128.
13071 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13073 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13074 (real-install-headers-tar, real-install-headers-cpio)
13075 (real-install-headers-cp): New targets.
13077 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13079 * tree.h (variable_section): Delete.
13080 * varasm.c (variable_section): Delete.
13082 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13084 * install.texi: Add notes on install.texi2html.
13085 (Building in parallel): Do not use footnotes.
13087 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13090 * doc/install.texi (Configuration): Document --disable-libgomp.
13092 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13094 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13096 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13098 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13099 (vec_extractv2df_0_sse): New.
13101 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13103 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13104 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13105 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13106 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13107 to the result of the expression.
13108 (def_cfa_1): Adjust.
13109 (frame_pointer_cfa_offset): Rename to...
13110 (frame_pointer_fb_offset): ... this. Adjust all uses.
13111 (convert_cfa_to_loc_list): Rename to...
13112 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13113 Pass it on to build_cfa_loc.
13114 (compute_frame_pointer_to_cfa_displacement): Rename to...
13115 (compute_frame_pointer_to_fb_displacement): ... this. New
13116 offset parameter. Use it in computation.
13117 (gen_subprogram_die): Compute cfa_fb_offset with the new
13118 macro, and use it to compute the fb loc list and the
13121 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13123 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13124 replaced with register_operand.
13125 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13126 non-DREG is expensive.
13127 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13128 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13131 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13133 * doc/install.texi2html: Use set -e.
13135 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13137 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13138 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13139 * doc/invoke.texi (-fshared-data): Delete.
13140 * common.opt (fshared-data): Delete.
13141 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13142 (assemble_static_space): Remove #if 0 code.
13143 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13144 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13145 * config/cris/cris.h: Remove FIXME.
13147 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13149 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13152 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13154 PR middle-end/26379
13155 * combine.c (simplify_shift_const_1): Disable nested shifts
13156 optimization for vector shifts.
13158 2006-02-20 Roger Sayle <roger@eyesopen.com>
13160 PR tree-optimization/26361
13161 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13162 of unsigned integer types.
13164 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13166 * tree-chrec.c (eq_evolutions_p): New.
13167 * tree-chrec.h (eq_evolutions_p): Declared.
13168 * tree-data-ref.c: Fix formatting.
13169 (datadep_stats, dependence_stats): New.
13171 (print_direction_vector): New.
13172 (dump_data_dependence_relation): Use print_direction_vector.
13173 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13174 (compute_subscript_distance): Static.
13175 (initialize_data_dependence_relation): Static. Get the number
13176 of loops surrounding the references from the callers, and initialize
13177 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13178 base_object_differ_p analyzers.
13179 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13180 compute_overlap_steps_for_affine_1_2,
13181 analyze_subscript_affine_affine): Count the classified dependences.
13182 Print a message when a test failed.
13183 (can_use_analyze_subscript_affine_affine): New.
13184 (analyze_siv_subscript): Compute the data dependences on symbolic
13185 scevs that verify can_use_analyze_subscript_affine_affine.
13186 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13187 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13188 Handle symbolic scevs.
13189 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13191 (subscript_dependence_tester): Moved...
13192 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13193 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13194 DDR_SIZE_VECT instead of getting it in parameter.
13195 (subscript_dependence_tester): ... here. Take as a parameter
13196 loop_nest_depth. Call build_classic_dist_vector and
13197 build_classic_dir_vector.
13198 (compute_affine_dependence): Update subscript_dependence_tester
13199 parameters. Update datadep_stats counters. Call
13200 compute_subscript_distance.
13201 (compute_self_dependence): Save the dist and dir vectors. Call
13202 compute_subscript_distance.
13203 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13204 (compute_all_dependences): Reorder parameters as they were before
13205 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13206 compute_subscript_distance. Update the use of
13207 compute_affine_dependence and initialize_data_dependence_relation.
13208 (find_data_references_in_loop): Handle COMPONENT_REF.
13209 (compute_data_dependences_for_loop): Initialize dependence_stats.
13210 Don't call build_classic_dist_vector and build_classic_dir_vector.
13211 Update the parameters of initialize_data_dependence_relation and
13212 compute_all_dependences. Print the statistics from datadep_stats.
13213 (analyze_all_data_dependences): Static. Not used until the pass for
13214 checking the data dependences is contributed.
13215 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13216 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13217 (initialize_data_dependence_relation, compute_affine_dependence,
13218 analyze_all_data_dependences, compute_subscript_distance): Removed.
13219 (print_direction_vector): New.
13220 * lambda.h (gcd): ... here.
13221 (lambda_vector_gcd): Moved here from gcd_vector.
13222 * lambda-code.c (gcd, gcd_vector): Removed.
13223 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13224 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13226 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13228 * ipa-type-escape.c: Tidy some comments and white space.
13229 * tree-ssa-operands.c: Likewise.
13231 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13234 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13235 (dump_decl_name): Do not walk the decl tree chains.
13236 * tree-pass.h (TDF_CHAIN): Remove.
13238 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13240 * Makefile.in (C): Remove
13242 (.PHONY): Remove C and PROTO
13244 2006-02-20 Roger Sayle <roger@eyesopen.com>
13246 PR middle-end/26236
13247 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13248 deprecated CHAR_TYPE tree code.
13250 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13252 * configure.ac (target_list): Add install-info, dvi, html.
13253 * configure: Regenerate.
13255 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13256 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13257 treelang/Make-lang.in: Do not use double-colon rules.
13259 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13261 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13262 (TMT_USED_ALONE): New macro.
13263 * tree-pass.h (PROP_tmt_usage): New property.
13264 (TODO_update_tmt_usage): New todo.
13265 * tree-ssa-alias.c (updating_used_alone): New variable.
13266 (recalculate_used_alone): New function.
13267 (compute_may_aliases): Set updating_used_alone, call
13268 recalculate_used_alone.
13269 * tree-sra.c (pass_sra): Note that this pass destroys
13270 PROP_tmt_usage, and add TODO_update_tmt_usage.
13271 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13272 * tree-flow.h (updating_used_alone): Prototype.
13273 (recalculate_used_alone): Ditto.
13274 * passes.c (execute_todo): Add code to set updating_used_alone,
13275 and call recalculate.
13276 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13277 for clobber if used alone, and add assert to verify used_alone
13280 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13282 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13283 for non tls symbols added.
13284 (legitimize_address): Do nothing for PLUS expressions if one of the
13285 addends is a tls symbol reference.
13287 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13291 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13293 * Makefile.in (BOOTSTRAPPING): New.
13294 (quickstrap): New definition if BOOTSTRAPPING=yes.
13296 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13297 * configure.ac: Substitute all_selected_languages with the languages
13298 that were configured. For all the other variables except
13299 lang_specs_files, include all the languages in the tree.
13300 * configure: Regenerate.
13302 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13303 if there is one. Run the commands to run fixincludes in the same
13306 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13307 * doc/install.texi: Document exact conventions for searching target tools.
13308 Document --with-build-time-tools. Document toplevel bootstrap. Document
13309 something more about building an Ada cross-compiler. Don't list GNU Make
13310 requirements which affect all platforms.
13312 2006-02-19 Roger Sayle <roger@eyesopen.com>
13314 PR middle-end/19543
13315 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13316 only equivalent if the have both the same mode and precision.
13318 2006-02-20 Ben Elliston <bje@au.ibm.com>
13320 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13322 2006-02-19 Roger Sayle <roger@eyesopen.com>
13323 Steven Bosscher <stevenb.gcc@gmail.com>
13325 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13326 constant pool references to identify stack mode constants.
13327 * rtlanal.c (constant_pool_constant_p): New predicate to check
13328 whether operand is a floating point constant in the pool.
13329 * rtl.h (constant_pool_constant_p): Prototype here.
13330 * loop.c (scan_loop): Avoid hoisting constants from the constant
13331 pool on STACK_REGS targets.
13332 (load_mems): Likewise.
13333 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13334 loads into x87 registers expensive in terms of register pressure.
13336 2006-02-19 Roger Sayle <roger@eyesopen.com>
13338 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13339 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13341 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13343 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13344 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13346 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13348 * doc/invoke.texi: Document -fipa-pta.
13349 * common.opt: Add ipa-pta option.
13350 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13351 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13352 (do_ds_constraint): Ditto.
13353 (get_constraint_for): Only add to referenced_vars if
13354 referenced_vars exists.
13355 (insert_into_field_list): Rewrite to do this unsorted.
13356 (insert_into_field_list_sorted): Rename old insert_into_field_list
13358 (create_function_info_for): Use insert_into_field_list_sorted.
13359 (create_variable_info_for): Rewrite so it uses unsorted version,
13360 since the field list is sorted.
13361 (intra_create_variable_infos): Only add to referenced_vars if
13362 referenced_vars exists.
13363 (ipa_pta_execute): Init heapvars, and delete when done.
13364 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13366 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13368 * doc/install.texi: Add missing `@samp'.
13370 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13372 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13375 2006-02-18 Mark Wielaard <mark@klomp.org>
13377 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13378 who added new 4.1 features, bug fixes and integration support.
13380 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13383 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13384 MEM for ABI_V4 pic.
13386 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13388 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13389 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13390 (copy_insn_1): Likewise. Don't copy each field individually.
13392 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13394 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13395 * rtl.c (rtx_size): Rename variable to...
13396 (rtx_code_size): ...this.
13397 (rtx_size): New function.
13398 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13399 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13401 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13402 * rtl.h (rtx_code_size): New variable.
13403 (rtx_size): Change from a variable to a function.
13404 (RTX_SIZE): Rename to...
13405 (RTX_CODE_SIZE): ...this.
13408 PR tree-optimization/17106
13409 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13410 (Anchored Addresses): New section.
13411 * doc/invoke.texi (-fsection-anchors): Document.
13412 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13413 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13414 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13415 * hooks.c (hook_bool_mode_rtx_false): New function.
13416 * hooks.h (hook_bool_mode_rtx_false): Declare.
13417 * gengtype.c (create_optional_field): New function.
13418 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13419 SYMBOL_REF_IN_BLOCK_P is true.
13420 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13421 (min_anchor_offset, max_anchor_offset): Likewise.
13422 (use_anchors_for_symbol_p): New hook.
13423 * toplev.c (compile_file): Call output_object_blocks.
13424 (target_supports_section_anchors_p): New function.
13425 (process_options): Check that -fsection-anchors is only used on
13426 targets that support it and when -funit-at-a-time is in effect.
13427 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13428 if the decl doesn't have one.
13429 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13430 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13431 of force_const_mem through use_anchored_address.
13432 (expand_expr_constant): New function.
13433 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13434 calling expand_expr for INDIRECT_REF.
13435 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13436 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13437 * expr.h (use_anchored_address): Declare.
13438 * loop-unroll.c: Don't declare rtx vectors here.
13439 * explow.c: Include output.h.
13440 (validize_mem): Call use_anchored_address.
13441 (use_anchored_address): New function.
13442 * common.opt (-fsection-anchors): New switch.
13443 * varasm.c (object_block_htab, anchor_labelno): New variables.
13444 (hash_section, object_block_entry_eq, object_block_entry_hash)
13445 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13446 (use_blocks_for_decl_p, change_symbol_section): New functions.
13447 (get_variable_section): New function, split out from assemble_variable.
13448 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13449 use_blocks_for_decl_p say so. Use change_symbol_section if the
13450 symbol has already been created.
13451 (assemble_variable_contents): New function, split out from...
13452 (assemble_variable): ...here. Don't output any code for
13453 block symbols; just pass them to place_block_symbol.
13454 Use get_variable_section and assemble_variable_contents.
13455 (get_constant_alignment, get_constant_section, get_constant_size): New
13456 functions, split from output_constant_def_contents.
13457 (build_constant_desc): Create a block symbol if use_object_blocks_p
13458 says so. Or into SYMBOL_REF_FLAGS.
13459 (assemble_constant_contents): New function, split from...
13460 (output_constant_def_contents): ...here. Don't output any code
13461 for block symbols; just pass them to place_section_symbol.
13462 Use get_constant_section and get_constant_alignment.
13463 (force_const_mem): Create a block symbol if use_object_blocks_p and
13464 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13465 (output_constant_pool_1): Add an explicit alignment argument.
13466 Don't switch sections here.
13467 (output_constant_pool): Adjust call to output_constant_pool_1.
13468 Switch sections here instead. Don't output anything for block symbols;
13469 just pass them to place_block_symbol.
13470 (init_varasm_once): Initialize object_block_htab.
13471 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13472 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13473 (place_block_symbol, get_section_anchor, output_object_block)
13474 (output_object_block_htab, output_object_blocks): New functions.
13475 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13476 (TARGET_ASM_OUT): Include it.
13477 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13478 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13479 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13480 (TARGET_INITIALIZER): Include them.
13481 * rtl.c (rtl_check_failed_block_symbol): New function.
13482 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13483 (block_symbol, object_block): New structures.
13484 (rtx_def): Add a block_symbol field to the union.
13485 (BLOCK_SYMBOL_CHECK): New macro.
13486 (rtl_check_failed_block_symbol): Declare.
13487 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13488 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13489 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13490 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13491 * output.h (output_section_symbols): Declare.
13492 (object_block): Name structure.
13493 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13494 (default_use_anchors_for_symbol_p): Declare.
13495 * Makefile.in (RTL_BASE_H): Add vec.h.
13496 (explow.o): Depend on output.h.
13497 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13498 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13499 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13500 (rs6000_use_blocks_for_constant_p): New function.
13502 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13504 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13506 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13509 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13512 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13514 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13518 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13520 PR middle-end/26334
13521 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13522 instead of DECL_REGISTER.
13524 2006-02-18 Olivier Hainque <hainque@adacore.com>
13527 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13529 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13532 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13533 * opth-gen.awk: Handle Var and InverseMask together.
13534 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13535 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13536 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13537 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13539 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13540 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13541 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13542 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13543 LINUX_DYNAMIC_LINKER): Define.
13544 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13545 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13547 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13548 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13549 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13551 (TARGET_C99_FUNCTIONS): Don't define.
13552 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13553 GLIBC_DYNAMIC_LINKER.
13554 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13555 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13556 GLIBC_DYNAMIC_LINKER64): Define.
13557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13558 LINUX_DYNAMIC_LINKER64.
13559 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13561 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13563 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13565 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13566 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13567 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13569 and LINUX_DYNAMIC_LINKER32.
13570 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13572 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13574 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13576 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13577 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13578 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13579 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13580 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13581 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13582 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13583 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13584 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13585 LINUX_DYNAMIC_LINKER): Define.
13586 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13587 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13588 GLIBC_DYNAMIC_LINKER64): Define.
13589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13590 LINUX_DYNAMIC_LINKER64.
13591 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13592 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13593 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13594 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13595 LINUX_DYNAMIC_LINKER): Define.
13596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13597 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13598 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13599 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13600 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13601 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13602 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13603 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13604 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13605 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13607 * doc/invoke.texi (-muclibc): Remove caveat about supported
13610 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13612 * doc/cpp.texi (__TIMESTAMP__): Document.
13614 2006-02-17 Roger Sayle <roger@eyesopen.com>
13616 PR middle-end/25600
13617 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13618 C is one less than the width of X (and related transformations).
13619 * simplify-rtx.c (simplify_unary_operation_1): Transform
13620 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13621 depending on STORE_FLAG_VALUE, were C is one less then the
13624 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13626 Fix PR tree-optimization/26341
13627 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13628 about NAME_MEMORY_TAG's.
13630 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13633 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13634 with hardware float support, and software float support. Add fcpy
13635 alternative to hardware patterns. Add alternatives to copy between
13636 general and floating-point registers to the 32-bit pattern.
13637 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13638 secondary reload to load a QI or HI mode constant into a floating
13640 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13641 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13643 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13646 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13648 (load_macho_picbase_di): Likewise.
13650 2006-02-16 Jeff Law <law@redhat.com>
13652 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13653 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13654 (ssa_name_nonzero_p): Likewise.
13655 (get_value_range): Return NULL if VRP is not running.
13656 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13657 VRP routines do not discover a range.
13658 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13659 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13660 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13661 (tree_expr_nonnegative_p): Similarly.
13662 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13663 (restore_nonzero_vars_to_original_value): Remove.
13664 (unsafe_associative_fp_binop): Remove.
13665 (tree_ssa_dominator_optimize): Remove initialization and
13666 finalization of nonzero_vars and nonzero_vars_stack.
13667 (dom_opt_initialize_block): No longer push marker on
13668 nonzero_vars_stack.
13669 (dom_opt_finalize_block): No longer call
13670 restore_nonzero_vars_to_original_value.
13671 (record_equivalences_from_phis): No longer look for
13672 nonzero PHI arguments.
13673 (cprop_into_successor_phis): No longer propagate nonzero
13674 property into PHI arguments. Lose unused argument. Caller
13676 (record_equivalences_from_stmt): No longer record nonzero
13677 values for SSA_NAMEs.
13678 (lookup_avail_expr): No longer use nonzero_vars.
13680 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13681 for sizetype when sizetype is unsigned.
13683 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13685 PR rtl-optimization/25603
13686 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13687 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13688 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13689 with new meaning of SETS.
13691 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13696 * config/linux.opt: New file.
13697 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13698 LINUX_DYNAMIC_LINKER): Define.
13699 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13700 * config.gcc (*-*-linux*): Define extra_options.
13701 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13702 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13703 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13704 GLIBC_DYNAMIC_LINKER.
13705 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13706 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13707 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13709 * doc/invoke.texi (GNU/Linux Options): New section.
13711 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13713 * config/sparc/sparc.md (setjmp): Rewrite.
13714 (setjmp_32): Delete.
13715 (setjmp_64): Likewise.
13717 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13719 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13722 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13724 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13727 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13729 PR rtl-optimization/26296
13730 * Makefile.in (loop-invariant.c): Add except.h dependency.
13731 * loop-invariant.c: Include except.h.
13732 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13734 2005-02-16 Paul Brook <paul@codesourcery.com>
13736 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13739 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13741 PR rtl-optimization/25636
13742 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13743 when deciding whether an insn is an initializing insn.
13745 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13747 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13748 (tree_code_size): Ditto.
13749 * tree.h (struct tree_memory_tag): Remove parent_var.
13750 (struct tree_struct_field_tag): New.
13753 (union tree_node): Add sft member.
13754 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13756 (create_sft): Add size and offset argument, set SFT_OFFSET and
13758 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13759 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13760 * tree-flow-inline.h (get_subvar_at): Update for
13761 SFT_OFFSET/SFT_SIZE.
13762 (var_can_have_subvars): Ditto.
13763 (overlap_subvar): Ditto.
13764 * print-tree.c (print_node): Print out interesting things for
13766 * tree-flow.h (struct subvar): Remove offset and size members.
13767 * tree-ssa-operands.c (get_expr_operands): Update for
13768 get_indirect_ref_operands changes.
13769 (get_indirect_ref_operands): Call add_virtual_operand instead of
13770 add_stmt_operand. Only recurse on base var if requested.
13771 (access_can_touch_variable): New function.
13772 (add_stmt_operand): Split virtual operand handling into ...
13773 (add_virtual_operand): Here. Add offset, size, and for_clobber
13774 arguments. Prune alias sets.
13775 (add_call_clobber_ops): Call add_virtual_operand.
13777 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13779 PR middle-end/26300
13780 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13782 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13783 than TREE_CODE as index into omp_clause_num_ops array.
13785 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13787 PR rtl-optimization/26184
13788 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13790 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13791 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13792 must_precede, must_follow and tobe_scheduled.
13795 * opts.c (common_handle_option): Free new_option pointer.
13796 * df-core.c (df_analyze): Free postorder pointer.
13798 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13800 * Makefile.in: Fix the examples about the use of stamps
13802 2006-02-15 Michael Matz <matz@suse.de>
13804 PR middle-end/22275
13806 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13807 influenced by maximum_field_alignment or DECL_PACKED.
13808 (update_alignment_for_field): Ditto.
13809 (place_field): Ditto.
13810 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13813 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13815 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13816 (debug_flow_info): Pass it.
13817 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13818 * bb-reorder.c (reorder_basic_blocks): Likewise.
13819 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13820 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13821 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13822 * gcse.c (gcse_main, bypass_jumps): Likewise.
13823 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13824 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13825 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13826 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13827 * rtl.h (dump_flow_info): Adjust prototype.
13828 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13829 * var-tracking.c (variable_tracking_main): Likewise.
13830 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13831 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13834 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13836 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13839 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13841 PR tree-optimization/26209
13842 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13843 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13845 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13847 2006-02-14 Roger Sayle <roger@eyesopen.com>
13849 PR middle-end/23670
13850 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13851 (X,Y) and the corresponding symmetry related transformations.
13852 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13853 (X,Y) and its symmetry related transformations.
13855 2006-02-14 Roger Sayle <roger@eyesopen.com>
13857 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13860 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13862 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13864 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13867 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13868 support COMDAT group.
13869 * configure: Regenerate.
13871 2006-02-14 Roger Sayle <roger@eyesopen.com>
13873 PR middle-end/26279
13874 PR middle-end/26280
13875 PR middle-end/26283
13876 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13878 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13880 Fix PR tree-optimization/26260
13882 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13884 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13885 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13886 * tree-ssa-structalias.c (create_variable_info_for): Use
13887 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13889 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13891 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13893 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13894 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13895 of the ending condition.
13896 * tree-ssa-loop-manip.c: Include params.h.
13897 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13898 tree_unroll_loop): New functions.
13899 * tree-pass.h (pass_loop_prefetch): Declare.
13900 * loop.c (rest_of_handle_loop_optimize): Test for
13901 -fprefetch-loop-arrays-rtl.
13902 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13903 * timevar.def (TV_TREE_PREFETCH): New timevar.
13904 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13905 pass_loop_prefetch): New.
13906 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13907 (cleanup_tree_cfg_loop): Call scev_reset.
13908 * common.opt (fprefetch-loop-arrays-rtl): Add.
13909 * tree-ssa-loop-prefetch.c: New file.
13910 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13911 (new_temp_expr_table): Initialize expr_vars.
13912 (free_temp_expr_table): Cleanup expr_vars.
13913 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13914 expressions from being merged into one.
13915 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13916 (struct tree_niter_desc): Add control, bound and cmp fields.
13917 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13919 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13920 (tree-cfgcleanup.o): Add SCEV_H dependency.
13921 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13922 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13924 2006-02-14 Richard Guenther <rguenther@suse.de>
13926 PR tree-optimization/26258
13927 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13928 in PHI argument processing.
13930 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13932 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13933 new expression in the requested machine mode.
13935 2006-02-13 Roger Sayle <roger@eyesopen.com>
13937 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13938 directly, instead let do_compare_rtx_and_jump handle this for us.
13939 * expr.c (expand_expr_real_1): Likewise.
13940 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13941 before do_jump_by_parts_greater.
13942 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13943 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13945 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13947 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13949 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13951 PR rtl-optimization/26235
13952 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13953 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13956 2006-02-13 Jeff Law <law@redhat.com>
13958 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13961 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13963 PR middle-end/26092
13964 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13965 twice if decl is a builtin. When trying again, call get_callee_fndecl
13966 first to verify it is still a builtin.
13968 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13970 * dwarf2out.c (base_type_die): Don't add AT_name here.
13971 (subrange_type_die): Don't add AT_name here.
13972 (modified_type_die): Rearrange code flow. Do add AT_name here.
13974 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13976 PR rtl-optimization/26247
13977 PR rtl-optimization/26248
13978 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13980 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13982 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13983 * config/fixtfdi.c: Likewise.
13984 * config/fixunstfdi.c: Likewise.
13985 * config/floatditf.c: Likewise.
13987 2006-02-13 Roger Sayle <roger@eyesopen.com>
13989 PR middle-end/24427
13990 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13991 into (X,C2) if C1 is a subset of the bits of C2. Transform
13992 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13994 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13996 2006-02-13 Josh Conner <jconner@apple.com>
13999 * varasm.c (function_section): Check for section name before
14000 calling select_section on targets that define
14001 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14002 unlikely_text_section instead of hot_function_section if
14003 first_function_block_is_cold.
14005 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14007 PR middle-end/25335
14008 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14012 PR rtl-optimization/26222
14013 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14014 after tree->rtl expansion.
14015 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14016 before passing it to emit_move_insn.
14018 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14020 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14022 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14023 Clarify documentation.
14024 * c-common.h (warn_write_strings): Remove.
14025 * c-common.c (warn_write_strings): Likewise.
14026 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14029 2006-02-12 Roger Sayle <roger@eyesopen.com>
14031 PR middle-end/25724
14032 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14033 (do_jump_parts_zero_rtx): New function renamed from
14034 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14035 (do_jump_parts_equality_rtx): New function split out from
14036 do_jump_parts_equality. Old implementation renamed as above.
14037 Call do_jump_parts_zero_rtx if either operand is zero.
14038 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14039 do all of the heavy lifting.
14040 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14041 calling either do_jump_by_parts_greater_rtx or
14042 do_jump_by_parts_equality_rtx.
14043 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14044 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14045 moved to do_compare_rtx_and_jump, call it directly.
14046 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14047 mode argument. Call do_compare_rtx_and_jump.
14048 (emit_case_nodes): Update calls to do_jump_if_equal.
14050 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14052 PR rtl-optimization/26225
14053 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14055 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14057 PR rtl-optimization/26232
14058 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14060 2006-02-11 Jason Merrill <jason@redhat.com>
14063 * tree-inline.c (declare_return_variable): Just don't use the
14064 modify target if it's a gimple complex reg and the return slot
14067 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14069 * doc/contrib.texi: Update my entry.
14071 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14073 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14075 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14077 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14080 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14082 * doc/invoke.texi (-floop-optimize2): Removed.
14083 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14084 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14085 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14086 * common.opt (floop-optimize2): Removed.
14087 (fmove-loop-invariants): Enabled by default.
14089 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14091 * tree-if-conv.c (combine_blocks): Free the result of
14092 get_loop_exit_edges.
14094 2006-02-10 Jeff Law <law@redhat.com>
14096 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14098 PR tree-optimization/26213
14099 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14100 loop trying to follow SSA_NAME_VALUE chains.
14102 2006-02-10 Richard Guenther <rguenther@suse.de>
14104 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14105 deal with structures that end in implicitly variable sized arrays.
14107 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14109 PR rtl-optimization/24762
14110 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14113 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14115 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14116 (struct ivopts_data): Add regs_used field.
14117 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14118 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14119 instead of loop_data->regs_used;
14120 (free_loop_data): Do not free aux fields for loops.
14121 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14122 and tree_ssa_iv_optimize_finalize.
14124 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14126 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14128 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14131 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14132 computing the effective result type.
14134 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14136 PR inline-asm/16194
14137 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14138 (tree_overlaps_hard_reg_set): Declare.
14139 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14140 type and signature to match function type expected by walk_tree.
14141 (tree_overlaps_hard_reg_set): New function.
14142 (decl_conflicts_with_clobbers_p): Rename to:
14143 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14144 Use tree_overlaps_hard_reg_set. Changed caller.
14145 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14146 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14147 * cris.c (cris_md_asm_clobbers): Likewise.
14149 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14151 * reload1.c (emit_input_reload_insns): Delete code that tries to
14152 inherit using find_equiv_reg.
14154 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14156 * c-common.h (flag_const_strings): Don't declare.
14157 * c-common.c (flag_const_strings): Remove.
14158 * c.opt (fconst_strings): Remove.
14159 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14160 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14161 (c_common_init_options): Don't set flag_const_strings.
14162 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14164 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14166 * arm.md (tlobits_cbranch): New pattern.
14167 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14168 testing a single bit.
14170 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14173 * tree-ssa-pre.c (create_component_ref_by_pieces):
14174 Handle RETURN_DECL like VAR_DECL.
14176 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14178 PR middle-end/26134
14179 * fold-const.c (fold_indirect_ref_1): Fold
14180 "*(foo *)&complexfoo" to "__real__ complexfoo"
14181 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14183 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14185 * tree-flow-inline.h (var_can_have_subvars):
14186 Volatile variables should not have subvariables.
14188 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14191 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14192 multiplying unsigned values.
14195 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14197 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14199 2006-02-08 Jason Merrill <jason@redhat.com>
14202 * tree.def: Elaborate on difference from MODIFY_EXPR.
14203 * doc/c-tree.texi (INIT_EXPR): Likewise.
14204 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14205 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14206 (gimplify_target_expr): Likewise.
14207 (gimplify_cond_expr): Remove target handling.
14208 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14209 (gimplify_expr): Clobber it here.
14210 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14211 Do return slot optimization if we have an INIT_EXPR.
14214 * tree-inline.c (declare_return_variable): Also clear
14215 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14218 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14220 PR middle-end/22439
14221 * gimplify.c (gimplify_one_sizepos): Fix typo.
14223 2006-02-08 Jeff Law <law@redhat.com>
14225 PR tree-optimization/21417
14226 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14227 across a backedge if the control statement at the end of the
14228 block is data dependent on other statements in the same block.
14229 (record_temporary_equivalences_from_stmts): Remove over-conservative
14230 test for threading across backedges.
14232 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14233 control statement, handle all three special cases in the same
14234 manner as they all have the same desired solution. No longer
14235 special case edge flag updating when the post dominator is
14238 2006-02-08 Roger Sayle <roger@eyesopen.com>
14240 * tree.def (CHAR_TYPE): Remove.
14241 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14242 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14243 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14244 (gen_string_type_die): Delete unreachable function.
14246 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14247 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14248 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14249 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14250 * builtins.c (type_to_class): Likewise.
14251 * fold-const.c (fold_convert, build_range_check,
14252 merge_ranges): Likewise.
14253 * expr.c (count_type_elements): Likewise.
14254 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14255 * stor-layout.c (layout_type): Likewise.
14256 * ipa-type-escape.c (type_to_consider): Likewise.
14257 * gimplify.c (omp_firstprivatize_type_sizes,
14258 gimplify_type_sizes): Likewise.
14259 * explow.c (promote_mode): Likewise.
14260 * tree-sra.c (is_sra_scalar_type): Likewise.
14261 * varasm.c (output_constant): Likewise.
14262 * tree-inline.c (remap_type_1): Likewise.
14263 * convert.c (convert_to_pointer, convert_to_real,
14264 convert_to_integer, convert_to_complex): Likewise.
14266 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14268 * df-scan.c (df_def_record_1): A set destination may
14269 be a parallel regardless of mode.
14271 2006-02-08 Roger Sayle <roger@eyesopen.com>
14274 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14275 * config/mips/_tilib.c: Remove.
14276 * config/fixtfdi.c: New libgcc source file.
14277 * config/fixunstfdi.c: New source file.
14278 * config/floatditf.c: New source file.
14279 * config/floatunditf.c: New souce file.
14280 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14281 files above instead of config/mips/_tilib.c.
14282 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14284 2006-02-08 Jeff Law <law@redhat.com>
14286 PR tree-optimization/26169
14287 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14290 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14292 * df.h (DF_REG_SIZE): Return the length of the initialized
14295 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14297 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14298 __muldf3): Return a correctly signed zero.
14300 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14302 * passes.c (register_one_dump_file): Accept the current properties
14303 instead of pass number. Adjust call to dump_register. Remove
14305 (register_dump_files): Now a wrapper around...
14306 (register_dump_files_1): ... this one. Do not modify the pass
14308 (next_pass_1): Cosmetic fix.
14309 (execute_todo): Keep second parameter only. Use curr_properties
14310 instead of fetching it from the pass structure. Check and set
14312 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14313 instead of fetching it from the pass structure. Fix calls to
14314 execute_todo. Update curr_properties and initialize .vcg RTL dump
14315 after running the pass. Reset last_verified.
14316 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14318 (FIRST_AUTO_NUMBERED_DUMP): New.
14319 (dump_register): Remove "num" parameter, assign it within the
14321 (get_dump_file_name): Modify template for dumps.
14322 * tree-dump.h (dump_register): Adjust prototype.
14323 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14324 (PROP_trees): Add PROP_gimple_lomp.
14325 (TODO_set_props): New.
14326 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14327 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14328 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14330 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14332 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14333 (sparc64-*-linux*): Likewise.
14334 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14335 * config/sparc/t-linux: New file.
14336 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14337 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14338 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14339 -m32 -mlong-double-128.
14341 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14342 * config/alpha/t-linux: New file.
14343 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14345 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14346 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14347 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14348 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14349 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14350 (CPP_ARCH32_SPEC): Remove.
14352 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14354 PR tree-optimization/26145
14355 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14358 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14361 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14362 >= 240000 when generating code for SOM runtime.
14363 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14364 to $$dyncall when generating code for SOM runtime..
14366 2006-02-07 Dirk Mueller <dmueller@suse.com>
14369 * doc/invoke.texi (-Wsequence-point): Update documentation
14370 that -Wsequence-point is implemented for C++ as well.
14372 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14374 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14375 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14376 (LIB_SPEC): Likewise.
14377 * doc/invoke.texi (SPARC options): Document -pthread.
14379 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14381 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14384 2006-02-07 Roger Sayle <roger@eyesopen.com>
14386 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14387 Correct comment describing BOOLEAN_TYPE.
14389 2006-02-07 Dirk Mueller <dmueller@suse.com>
14391 * c.opt: C++ frontend supports -Wdiv-by-zero.
14392 * c-opts.c (c_common_handle_option): Remove dead case.
14394 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14396 * configure.ac (TLS assembler check): Do not enable TLS by
14397 default on SPARC/Solaris before version 10.
14398 * configure: Regenerate.
14400 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14402 * doc/invoke.texi (xl-compat): Document conversion and support
14405 2006-02-07 Jeff Law <law@redhat.com>
14407 * tree-vrp.c (find_conditional_asserts): Update comments.
14408 (simplify_stmt_for_jump_threading): New.
14409 (identify_jump_threads, finalize_jump_threads): New.
14410 (vrp_finalize): Call identify_jump_threads.
14411 (execute_vrp): Call finalize_jump_threads.
14412 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14413 (vrp_element, vrp_data, vrp_element_p): Remove.
14414 (vrp_hash_elt, vrp_variables_stack): Remove.
14415 (vrp_hash, vrp_eq, record_range): Remove.
14416 (simplify_cond_and_lookup_avail_expr): Remove.
14417 (extract_range_from_cond): Remove.
14418 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14419 (simplify_stmt_for_jump_threading): New.
14420 (dom_thread_across_edge): New wrapper.
14421 (tree_ssa_dominator_optimize): No longer initialize or
14422 finalize any of the VRP datastructures. Remove iteration
14423 step and simplify as a result of removal of iteration step.
14424 (pass_dominator): Perform a cfg cleanup after DOM.
14425 (dom_opt_finalize_block): Use the new common routines
14426 for threading jumps. Simplify stack management slightly.
14427 No longer need to unwind VRP state.
14428 (record_equivalences_from_incoming_edge): No longer record
14430 (eliminate_redundant_computations): No longer call
14431 simplify_cond_and_lookup_avail_expr.
14432 * tree-flow.h (potentially_threadable_block): Prototype.
14433 (thread_across_edge): Likewise.
14434 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14435 (tree-ssa-threadedge.o): Add dependencies.
14436 * tree-ssa-threadedge.c: New file.
14437 * passes.c (init_optimization_passes): Merge PHIs before
14438 calling VRP. Run VRP again late in the SSA optimization pipeline.
14440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14442 * df-core.c (df_set_blocks): Do not dereference function pointers.
14443 (df_finish1): Likewise.
14444 (df_hybrid_search_forward): Likewise.
14445 (df_hybrid_search_backward): Likewise.
14446 (df_iterative_dataflow): Likewise.
14447 (df_analyze_problem): Likewise.
14448 (df_compact_blocks): Likewise.
14449 (df_dump): Likewise.
14450 * df-scan.c (df_rescan_blocks): Likewise.
14451 (df_record_entry_block_defs): Likewise.
14453 * genconditions.c (write_conditions): Guard the definition of
14454 'insn_conditions' with the check on GCC version.
14455 (write_writer): Guard the traversal 'insn_conditions' with
14456 the check on GCC version.
14458 2006-02-07 Richard Guenther <rguenther@suse.de>
14462 2006-01-30 Richard Guenther <rguenther@suse.de>
14464 * gimplify.c (gimplify_target_expr): Handle easy cases
14465 without creating a temporary.
14467 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14469 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14470 use of float in probability computations. Use edge probabilities
14471 in place of statically computed probabilities.
14472 (min_spec_prob): New static variable.
14473 (schedule_insns): Initialize it.
14474 (GET_SRC_PROB): Removed.
14475 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14477 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14480 * config/ia64/unwind-ia64.c: Revert last change.
14481 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14482 (INCOMING_FRAME_SP_OFFSET): Define.
14484 2006-02-06 Roger Sayle <roger@eyesopen.com>
14486 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14488 2006-02-07 Ben Elliston <bje@au.ibm.com>
14490 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14491 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14492 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14493 (ix86_return_in_memory): Handle TDmode.
14494 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14495 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14497 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14499 * reorg.c (dbr_schedule): Use dump_file instead of file.
14501 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14504 * config/ia64/predicates.md (extr_len_operand): New predicate.
14505 * config/ia64/ia64.md (extv): Tighten constraints.
14507 (*tbit_and_2): Ditto.
14508 (*tbit_and_3): Ditto.
14509 (*tbit_or_2): Ditto.
14510 (*tbit_or_3): Ditto.
14511 (*bit_zero): Ditto.
14514 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14517 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14519 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14521 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14522 loop_optimizer_init and loop_optimizer_finalize
14523 * tree-ssa-sink.c (execute_sink_code): Ditto.
14524 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14525 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14526 tree_ssa_loop_done): Ditto.
14527 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14528 * sched-ebb.c: Include output.h.
14529 (schedule_ebbs): Do not use dump argument.
14530 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14531 * loop.c (loop_dump_stream): Removed.
14532 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14534 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14535 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14536 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14537 loop_iterations, strength_reduce, record_biv, record_giv,
14538 final_giv_value, check_final_value, check_ext_dependent_givs,
14539 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14540 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14541 dump_file instead of loop_dump_stream.
14542 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14543 argument dump_file.
14544 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14546 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14547 * haifa-sched.c: Include output.h
14548 (schedule_insns, sched_init): Do not use dump argument.
14549 * mode-switching.c (optimize_mode_switching): Ditto.
14550 * modulo-sched.c (stats_file): Removed.
14551 (print_node_sched_params): Do not call argument dump_file.
14552 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14553 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14555 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14557 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14558 rtl_loop_init, rtl_loop_done): Ditto.
14559 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14560 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14562 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14563 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14564 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14565 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14566 * emit-rtl.c (renumber_insns): Ditto.
14567 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14568 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14569 * regclass.c (regclass): Ditto.
14570 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14571 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14572 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14573 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14575 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14576 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14578 * gcse.c (gcse_file, debug_stderr): Removed.
14579 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14580 rest_of_handle_gcse): Do not use dump argument.
14581 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14582 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14583 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14584 compute_code_hoist_vbeinout, compute_code_hoist_data,
14585 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14586 compute_store_table, build_store_vectors, insert_insn_start_bb,
14587 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14588 store_motion): Use dump_file instead of gcse_file.
14589 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14590 * profile.c (profile_dump_file): Removed.
14591 (branch_prob): Use dump_file instead of profile_dump_file.
14592 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14594 * tree-ssa-copy.c (dump_copy_of): Ditto.
14595 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14596 dump file to life_analysis.
14597 * bt-load.c (branch_target_load_optimize): Ditto.
14598 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14600 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14601 regclass, dbr_schedule): Declaration changed.
14602 * sched-int.h (sched_init): Declaration changed.
14603 * tree-profile.c (tree_profile_dump_file): Removed.
14604 (tree_profile_hooks): Removed profile_dump_file hook.
14605 * rtl-profile (rtl_profile_dump_file): Removed.
14606 (rtl_profile_hooks): emoved profile_dump_file hook.
14607 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14609 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14610 * tree-cfg.c (build_tree_cfg): Ditto.
14611 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14612 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14613 Declaration changed.
14614 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14615 life_analysis and schedule_insns.
14616 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14618 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14620 * config/mips/mips.c (mips_reorg): Ditto.
14621 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14624 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14626 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14627 (s390_mangle_fundamental_type): New.
14628 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14631 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14632 (alpha_mangle_fundamental_type): New.
14633 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14636 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14638 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14640 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14641 (sparc_mangle_fundamental_type): New.
14643 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14645 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14646 (s390x-*-linux*): Likewise.
14647 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14648 * config/s390/t-linux: New file.
14650 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14652 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14653 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14655 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14657 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14658 (ANTIC_SAFE_LOADS): New macro.
14659 (find_or_generate_expression): Add prototype.
14660 (set_contains_value): Allow null set for sake of not always having
14661 to allocate ANTIC_SAFE_LOADS.
14662 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14663 Allow COMPONENT_REF too.
14664 (valid_in_set): Allow COMPONENT_REF.
14665 Check ANTIC_SAFE_LOADS too.
14666 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14667 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14669 (can_PRE_operation): Add COMPONENT_REF.
14670 (create_component_ref_by_pieces): New function.
14671 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14672 (insert_aux): Move AGGREGATE_TYPE_P check here.
14673 (compute_avail): Set bb local stmt uids.
14674 (pass_pre): Use TODO_update_ssa_only_virtuals.
14676 2006-02-06 Ben Elliston <bje@au.ibm.com>
14678 * configure.ac: Unconditionally disable decimal float by default.
14679 * configure: Regenerate.
14681 2006-02-06 Ben Elliston <bje@au.ibm.com>
14683 * read-rtl.c (read_name): Terminate reading on EOF.
14685 2006-02-06 Ben Elliston <bje@au.ibm.com>
14687 * dfp.c (decimal_real_arithmetic): Change second argument type
14688 from int to enum tree_code. Do not always return true, but now
14689 return result of any call to decimal_do helper functions.
14690 * dfp.h (decimal_real_arithmetic): Update prototype.
14692 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14694 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14696 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14699 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14702 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14704 * tree-vrp.c (cfg_loops): Removed.
14705 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14706 Use current_loops instead of cfg_loops. Pass flags to
14707 loop_optimizer_init.
14708 * cfgloopmanip.c (fix_loop_structure): Update only available
14710 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14711 loop_optimizer_init.
14712 * modulo-sched.c (build_loops_structure): Removed.
14713 (sms_schedule): Use loop_optimizer_init.
14714 * loop-init.c (loop_optimizer_init): Use flags to determine
14715 which properties of loops to prepare.
14716 (rtl_loop_init): Pass flags to loop_optimizer_init.
14717 * tree-ssa-sink.c (execute_sink_code): Ditto.
14718 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14719 * tree-ssa-pre.c (init_pre): Ditto.
14720 * cfgloop.h (LOOPS_NORMAL): New.
14721 (loop_optimizer_init): Declaration changed.
14723 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14725 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14726 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14728 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14730 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14732 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14733 * pa/t-pa64: Delete quadlib.c rule.
14734 * pa/x-ada: Revert last change.
14735 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14737 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14739 PR rtl-optimization/26087
14740 * rtlanal.c (canonicalize_condition): Do not cross basic block
14743 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14746 * config/ia64/ia64.c: Include debug.h.
14747 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14748 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14749 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14750 (process_epilogue, process_set, process_for_unwind_directive):
14751 Output unwind info only if requested. Add CFA info if requested.
14752 Add new arguments as needed. Adjust callers.
14753 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14755 (DWARF2_FRAME_INFO): Define to zero.
14756 * config/ia64/unwind-ia64.c: Remove code that compensated for
14757 the CFA offset error fixed above.
14758 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14759 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14760 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14761 -funwind-tables and -fexceptions to enable frame info.
14762 (dwarf2out_frame_init): Define initial CFA even if
14763 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14764 DWARF2_UNWIND_INFO is nonzero, not just defined.
14765 (dwarf2out_frame_finish): Output non-EH call frame info only
14766 if DWARF2_FRAME_INFO is nonzero.
14767 (convert_cfa_to_loc_list,
14768 compute_frame_pointer_to_cfa_displacement): Define even if
14769 unwind info is not supported.
14770 (gen_subprogram_die): Use the above unconditionally. Remove
14771 legacy alternate code.
14772 * toplev.c (compile_file): Compile in call to
14773 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14774 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14776 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14777 Jakub Jelinek <jakub@redhat.com>
14779 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14780 IBM extended float format long double as "g" on powerpc*-linux.
14782 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14785 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14786 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14788 2006-02-03 Jason Merrill <jason@redhat.com>
14791 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14793 PR middle-end/25977
14794 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14795 on the return slot if it's an NRV.
14797 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14799 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14800 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14801 rewrite_use): Do not handle USE_OUTER.
14802 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14803 add_iv_outer_candidates, may_replace_final_value,
14804 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14805 (find_interesting_uses_op): Functionality of
14806 find_interesting_uses_outer_or_nonlin moved here.
14807 (find_interesting_uses_outside): Use find_interesting_uses_op.
14809 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14812 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14814 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14815 Ulrich Weigand <uweigand@de.ibm.com>
14818 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14819 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14820 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14821 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14823 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14824 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14825 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14826 Define secondary reloads for TFmode moves.
14827 (constant_modes): Add TFmode.
14828 (NR_C_MODES): Set to 8.
14829 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14831 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14832 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14833 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14834 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14835 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14836 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14837 (FPR mode macro): Add TFmode.
14838 (DSF mode macro): New.
14839 (<de>, <dee> mode attributes): Removed.
14840 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14841 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14842 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14843 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14844 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14845 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14846 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14847 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14848 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14849 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14850 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14851 "*negabs<mode>2", "sqrt<mode>2"):
14852 Changed <de> to <xde>. R constraint replaced by <Rf>.
14853 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14855 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14856 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14857 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14859 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14860 "extenddftf2", "extendsftf2"): New expanders.
14861 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14862 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14863 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14864 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14866 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14867 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14868 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14869 __floatditf): Add a GCC_4.1.0 symbol version tag.
14870 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14873 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14876 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14877 Use targetm.binds_local_p instead of TREE_PUBLIC.
14879 2006-02-02 Roger Sayle <roger@eyesopen.com>
14881 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14882 on INTEGER_TYPEs to indicate that it denotes a character type.
14883 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14884 signed_char_type_node, unsigned_char_type_node and char_type_node.
14885 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14886 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14887 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14889 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14890 Daniel Berlin <dberlin@dberlin.org>
14892 * tree-tailcall.c (arg_needs_copy_p): New function.
14893 (eliminate_tail_call): Use arg_needs_copy_p.
14894 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14895 (add_virtual_phis): New function.
14897 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14899 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14900 #ignore instead of #scratch for %g7 .register directive.
14902 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14904 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14907 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14909 * flow.c (calculate_global_regs_live): Assert that there aren't any
14912 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14914 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14915 what its name says.
14916 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14917 bsi_after_labels iterator.
14918 * tree-if-conv.c (find_phi_replacement_condition,
14919 replace_phi_with_cond_modify_expr): Likewise.
14920 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14921 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14923 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14925 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14927 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14930 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14931 array after growing it.
14933 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14935 PR middle-end/24901
14936 * fold-const.c (fold_checksum_tree): Change type of buf.
14938 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14940 * reload.c (push_secondary_reload): Initialize t_icode.
14942 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14944 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14945 -msoft-float -mlong-double-128 only issue a warning, but don't
14946 swich to DFmode long double.
14948 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14950 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14951 has a constant equivalent, iterate over equivalents for arg0,
14952 calling simplify_relational_operation and if there's a result
14953 cheaper than X, apply fold_rtx and return the result.
14955 2006-02-01 Jan Hubicka <jh@suse.cz>
14957 * opts.c (no_unit_at_a_time_default): New global variable.
14958 (decode_options): Use it.
14959 * opts.h (no_unit_at_a_time_default): Declare.
14961 2006-02-01 Paul Brook <paul@codesourcery.com>
14963 * function.c (assign_parm_setup_reg): Use function argument promotion
14965 * expr.c (expand_expr_real_1): Use function argument promotion rules
14968 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14970 * gcc.c (process_command): Change j to 'unsigned int'.
14972 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14974 PR middle-end/26001
14975 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14976 Use the corrected index for the character
14977 out of the string constant.
14979 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14981 * mode-switching.c (optimize_mode_switching): Fix size
14982 allocated for bb_info[n_entities].
14984 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14986 * gcc.c (main): Correct type that is allocated for
14987 explicit_link_files.
14989 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14991 * config/s390/s390.c (init_alignment_context): Set
14992 ALIAS_SET_MEMORY_BARRIER on the MEM.
14993 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14995 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14997 PR middle-end/25933
14998 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15000 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15003 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15005 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15006 * regrename.c: Ditto.
15007 * tree-ssa-loop-im.c: Ditto.
15008 * tree-dump.c: Ditto.
15009 * tree-complex.c: Ditto.
15010 * genrecog.c: Ditto.
15011 * tree-ssa-threadupdate.c: Ditto.
15013 * java/class.c: Ditto.
15014 * java/jcf-parse.c: Ditto.
15015 * java/resource.c: Ditto.
15016 * java/except.c: Ditto.
15017 * java/jvspec.c: Ditto.
15018 * java/jcf-write.c: Ditto.
15019 * java/jcf-path.c: Ditto.
15020 * java/gjavah.c: Ditto.
15021 * java/zextract.c: Ditto.
15022 * java/jcf-io.c: Ditto.
15023 * java/jcf.h: Ditto.
15024 * java/buffer.c: Ditto.
15025 * java/lang.c: Ditto.
15026 * java/parse-scan.y: Ditto.
15027 * java/lex.c: Ditto.
15028 * java/lex.h: Ditto.
15029 * cfgloopmanip.c: Ditto.
15030 * postreload-gcse.c: Ditto.
15031 * tree-ssa-loop-manip.c: Ditto.
15032 * postreload.c: Ditto.
15033 * tree-ssa-loop-ch.c: Ditto.
15036 * cppspec.c: Ditto.
15037 * diagnostic.c: Ditto.
15039 * genoutput.c: Ditto.
15041 * cfghooks.c: Ditto.
15042 * cfgloopanal.c: Ditto.
15043 * objc/objc-act.c: Ditto.
15045 * genextract.c: Ditto.
15046 * genautomata.c: Ditto.
15047 * pretty-print.c: Ditto.
15048 * genemit.c: Ditto.
15049 * cgraphunit.c: Ditto.
15051 * df-scan.c: Ditto.
15052 * haifa-sched.c: Ditto.
15053 * dominance.c: Ditto.
15055 * tree-ssa-loop-ivopts.c: Ditto.
15056 * df-core.c: Ditto.
15057 * mode-switching.c: Ditto.
15058 * modulo-sched.c: Ditto.
15060 * ipa-pure-const.c: Ditto.
15062 * fix-header.c: Ditto.
15064 * tree-stdarg.c: Ditto.
15065 * ipa-utils.c: Ditto.
15066 * loop-init.c: Ditto.
15067 * ipa-inline.c: Ditto.
15068 * cfganal.c: Ditto.
15070 * alloc-pool.c: Ditto.
15071 * dwarf2out.c: Ditto.
15073 * genattrtab.c: Ditto.
15074 * tree-ssa-loop-ivcanon.c: Ditto.
15075 * predict.c: Ditto.
15076 * timevar.c: Ditto.
15078 * fortran/gfortranspec.c: Ditto.
15079 * regmove.c: Ditto.
15080 * local-alloc.c: Ditto.
15081 * langhooks.c: Ditto.
15082 * function.c: Ditto.
15083 * tree-vectorizer.c: Ditto.
15085 * ipa-type-escape.c: Ditto.
15087 * tree-if-conv.c: Ditto.
15088 * profile.c: Ditto.
15090 * tree-data-ref.c: Ditto.
15091 * loop-unroll.c: Ditto.
15092 * treelang/treetree.c: Ditto.
15094 * bt-load.c: Ditto.
15095 * ggc-common.c: Ditto.
15097 * coverage.c: Ditto.
15099 * tree-cfgcleanup.c: Ditto.
15100 * tree-ssa-pre.c: Ditto.
15101 * cfgcleanup.c: Ditto.
15102 * loop-invariant.c: Ditto.
15103 * loop-iv.c: Ditto.
15104 * ipa-prop.c: Ditto.
15105 * print-tree.c: Ditto.
15106 * conflict.c: Ditto.
15107 * ggc-page.c: Ditto.
15108 * sched-deps.c: Ditto.
15109 * regclass.c: Ditto.
15110 * tree-object-size.c: Ditto.
15111 * combine.c: Ditto.
15112 * bb-reorder.c: Ditto.
15113 * resource.c: Ditto.
15114 * var-tracking.c: Ditto.
15115 * cfgloop.c: Ditto.
15116 * df-problems.c: Ditto.
15117 * reg-stack.c: Ditto.
15119 * gccspec.c: Ditto.
15120 * sched-rgn.c: Ditto.
15121 * tree-ssa-structalias.c: Ditto.
15122 * tree-ssa-reassoc.c: Ditto.
15123 * config/darwin-c.c: Ditto.
15124 * config/darwin.c: Ditto.
15125 * config/arm/arm.c: Ditto.
15127 * collect2.c: Ditto.
15128 * reload1.c: Ditto.
15130 2006-01-31 Nicolas Pitre <nico@cam.org>
15132 * arm.md (smaxsi3): Make aware of smax_m1.
15135 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15137 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15139 2006-01-31 Richard Guenther <rguenther@suse.de>
15141 * doc/invoke.texi (-msselibm): Document.
15142 * target.h (expand_library_builtin): New target hook.
15143 * builtins.c (expand_builtin): Use expand_library_builtin.
15144 (default_expand_library_builtin): New function.
15145 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15146 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15147 (link_gcc_math_spec): Declare.
15148 (static_specs): Add link_gcc_math_spec.
15149 * expr.h (default_expand_library_builtin): Declare.
15150 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15151 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15152 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15153 * config/i386/i386.opt (msselibm): New target option.
15154 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15155 (ix86_init_sse_abi_builtins): New function.
15156 (ix86_expand_library_builtin): Likewise.
15157 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15158 (override_options): Handle error conditions wrt -msselibm.
15159 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15160 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15161 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15164 2006-01-31 Richard Guenther <rguenther@suse.de>
15165 Paolo Bonzini <bonzini@gnu.org>
15167 * doc/install.texi (--disable-libgcc-math): Document.
15169 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15171 * expr.h (expand_normal): new inline function.
15172 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15173 * dojump.c: use it.
15174 * dwarf2out.c: use it.
15177 * expmed.c: use it.
15178 * except.c: use it.
15179 * config/sparc/sparc.c: use it.
15180 * config/i386/i386.c: use it.
15181 * config/rs6000/rs6000.c: use it.
15182 * config/arm/arm.c: use it.
15183 * config/mips/mips.c: use it.
15184 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15186 2006-01-30 Roger Sayle <roger@eyesopen.com>
15188 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15189 argv to the appropriate type.
15191 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15193 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15196 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15199 * config/s390/s390.c (struct machine_function): New flag
15200 decomposed_literal_pool_addresses_ok_p.
15201 (s390_reorg): Set it before final stage of literal pool transforms.
15202 (s390_decompose_address): Only accept displacements of the form
15203 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15205 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15207 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15208 the comparison routine return.
15210 2006-01-30 Michael Matz <matz@suse.de>
15212 * global.c (find_reg): Only evict for global regs.
15213 Take n_refs into account and dump more info.
15215 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15218 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15219 (pragma_trap, pragma_nosave_low_regs): Likewise.
15220 (current_function_anonymous_args): Likewise.
15221 (sh_deferred_function_attributes): New variable.
15222 (sh_deferred_function_attributes_tail): Likewise.
15223 (print_operand): For '@', look up trap_exit attribute.
15224 (calc_live_regs): Look up trapa_handler attribute. For trapa
15225 handlers, save/restore fpscr, but don't do any other
15226 interrupt-specific saves.
15227 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15228 Fix check for partially saved registers to check for SHmedia.
15229 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15230 (sh_output_function_epilogue): Don't clear any of the removed
15232 (sh_insert_attributes): Don't check pragma_interrupt.
15233 Insert deferred attributes. Check that interrupt attribute is
15234 present for other attributes that require its presence.
15235 (sh_attribute_table): Add new attributes trapa_handler and
15237 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15238 Don't check for pragma_interrupt. Don't store argument.
15239 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15240 (sh_deferred_function_attributes): Declare.
15241 (sh_deferred_function_attributes_tail): Likewise.
15242 * sh.md (sp_switch_1): Add operand. Change generator caller.
15243 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15244 (*return_i): Don't use when trap_exit attribute is in effect.
15245 (*return_trapa): New insn pattern.
15246 * sh-c.c: New file.
15247 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15248 setting c_target_objs and cxx_target_objs.
15249 * t-sh: Add rule for sh-c.o.
15251 2006-01-30 Richard Guenther <rguenther@suse.de>
15254 * gimplify.c (gimplify_target_expr): Handle easy cases
15255 without creating a temporary.
15257 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15259 * vec.h (safe_grow): Remove duplicated line.
15261 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15264 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15265 (expand_omp): ... here.
15266 (expand_omp_parallel): Only remove barriers for combined
15267 parallel+workshare constructs.
15269 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15273 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15274 * tree.c (build_qualified_type): Chain the new type to the original
15275 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15276 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15277 (build_pointer_type_for_mode): Only return unqualified types.
15278 (build_reference_type_for_mode): Likewise.
15280 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15282 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15283 * Makefile.in (CXX_COMPAT_WARN): Define.
15284 * configure: Regenerate.
15286 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15289 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15292 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15294 * toplev.c: Fix thinko.
15296 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15297 Marcin Dalecki <martin@dalecki.de>
15299 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15300 (push_srcloc): Use XNEW.
15301 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15303 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15305 * df-core.c (df_set_blocks): Deleted all variable.
15307 2006-01-28 Ian Lance Taylor <ian@airs.com>
15309 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15310 cgraph_output_pending_asms.
15312 2006-01-28 Zack Weinberg <zackw@panix.com>
15314 * c.opt: Add -W(no-)overlength-strings.
15315 * doc/invoke.texi: Document it.
15316 * c-opts.c (c_common_handle_option): -pedantic implies
15317 -Woverlength-strings, if not explicitly disabled already.
15318 (c_common_post_options): -Woverlength-strings defaults to off, and
15319 is always off for C++.
15320 * c-common.c (fix_string_type): Issue warning about strings longer
15321 than is portable only if warn_overlength_strings. Rearrange code
15322 a little for clarity.
15323 * configure.in: Check for -Wno-overlength-strings as well before
15324 enabling -pedantic in stage 1.
15325 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15326 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15328 * genconditions.c (write_header, write_one_condition)
15329 (write_conditions, write_writer): Consolidate very long strings
15330 that were broken up to fit in C89 portable limit. Don't use
15331 printf when fputs will do.
15333 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15335 * combine.c (simplify_comparison <AND>): Check
15336 TRULY_NOOP_TRUNCATION before start using a subreg.
15338 * config/mips/mips.md (*branch_zero<mode>,
15339 *branch_zero<mode>_inverted, *branch_equality<mode>,
15340 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15341 Remove mode check from comparisons.
15343 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15345 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15347 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15349 * expmed.c (const_mult_add_overflow_p): Remove.
15350 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15352 * recog.c (validate_replace_rtx_subexp): Remove.
15353 * recog.h: Remove the prototype for
15354 validate_replace_rtx_subexp.
15356 * integrate.h: Remove the prototype for
15357 copy_decl_for_inlining.
15358 * rtl.h: Remove the prototype for mark_constant_function.
15359 * tree-vectorizer.h: Remove the prototype for
15360 vect_strip_conversion.
15362 * modulo-sched.c (create_partial_schedule,
15363 free_partial_schedule, reset_partial_schedule): Make them
15366 * hooks.c (hook_bool_rtx_int_false): Remove.
15367 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15369 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15371 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15372 and -mlong-double-128 are incompatible.
15373 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15374 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15375 (TARGET_LIBGCC2_CFLAGS): Define.
15376 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15377 (TARGET_LIBGCC2_CFLAGS): Same.
15378 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15380 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15383 * c-typeck.c (build_binary_op): Perform implicit casts of
15384 operands before shortening them.
15386 * cfgloopmanip.c (split_loop_bb): Remove.
15387 * cfgloop.h: Remove the prototype for split_loop_bb.
15389 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15390 * cfgloop.h: Remove the prototype for
15391 flow_loop_outside_edge_p.
15393 * emit-rtl.c (init_virtual_regs): Make it static.
15394 * function.h: Remove the prototype for init_virtual_regs.
15396 * recog.c (peephole2_optimize): Make it static.
15397 * recog.h: Remove the prototype for peephole2_optimize.
15399 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15401 * df-scan.c (df_record_entry_block_defs): Check if
15402 INCOMING_RETURN_ADDR_RTX is defined.
15404 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15405 Kenneth Zadeck <zadeck@naturalbridge.com>
15407 PR rtl-optimization/24762
15408 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15409 * targhooks.c (hook_void_bitmap): New hook prototype.
15410 * targhoohs.h (hook_void_bitmap): Ditto.
15411 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15412 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15413 * target.h (live_on_entry): New function pointer.
15414 * df-scan.c (df_all_hard_regs): Removed.
15415 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15416 (df_scan_free_internal): Added df->entry_block_defs.
15417 (df_scan_alloc): Ditto.
15418 (df_scan_dump): Ditto.
15419 (df_uses_record): Plumbed flag field properly thru calls.
15420 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15421 This part fixes PR24762.
15422 (df_bb_refs_record): Added code to make the frame and arg
15423 pointers live in EH blocks.
15424 (df_refs_record): Added call to df_record_entry_block_defs.
15425 (df_record_entry_block_defs): New function.
15426 * df-core.c: Added comments to describe new artifical defs.
15427 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15428 (entry_block_defs): New field in struct df.
15429 (df_all_hard_regs): Deleted.
15430 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15431 * df-problems.c (df_ru_bb_local_compute_process_def):
15432 Added code to handle artifical defs in the entry to a function.
15433 (df_ru_bb_local_compute): Ditto.
15434 (df_rd_bb_local_compute_process_def): Ditto.
15435 (df_rd_bb_local_compute): Ditto.
15436 (df_lr_bb_local_compute): Ditto.
15437 (df_ur_bb_local_compute): Ditto.
15438 (df_urec_bb_local_compute): Ditto.
15439 (df_chain_create_bb): Ditto.
15440 (df_ur_local_finalize): Removed entry.
15441 (df_urec_init): Ditto.
15442 (df_urec_local_finalize): Ditto.
15443 (df_ri_bb_compute): Added detection of last use of pseudos.
15444 * Makefile.in (df-scan.o): Updated dependencies.
15445 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15446 * config/mips/mips.c (mips_set_live_on_entry): Added.
15447 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15449 * dce.c (marked_insn_p): Added code to handle artifical defs.
15451 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15453 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15455 (_mm_cvtsi128_si64): Likewise.
15456 (_mm_cvtsd_si64): Likewise.
15457 (_mm_cvttsd_si64): Likewise.
15458 (_mm_cvtsi64_sd): Likewise.
15459 (_mm_cvtsi64_si128): Likewise.
15460 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15461 (_mm_cvtsi64_m64): Likewise.
15462 (_m_to_int64): Likewise.
15463 (_mm_cvtm64_si64): Likewise.
15464 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15465 (_mm_cvttss_si64): Likewise.
15466 (_mm_cvtsi64_ss): Likewise.
15467 (_mm_cvtss_f32): Likewise.
15469 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15471 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15472 for pragma redefine_extname.
15474 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15477 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15478 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15479 -mno-minimal-toc to previous content.
15480 (bispecs): Remove goal.
15481 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15482 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15483 compatibility aliases on powerpc-*-*gnu*.
15484 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15485 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15486 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15487 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15488 (ldblspecs): New goal.
15489 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15490 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15492 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15493 L_sf_to_tf or L_df_to_tf is defined.
15495 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15496 Alan Modra <amodra@bigpond.net.au>
15499 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15500 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15501 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15502 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15503 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15504 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15505 (rs6000_override_options): Initialize rs6000_ieeequad.
15506 Initialize TFmode format to ibm_extended_format if not
15508 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15510 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15511 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15512 (function_arg_advance): IBM long double passed in two FPRs, not
15514 (function_arg): IBM long double passed in FPRs.
15515 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15516 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15517 Only multireg GPR aligned.
15518 (rs6000_init_libfuncs): Enable IBM long double functions if not
15520 (rs6000_generate_compare): Use IBM long double compare if not
15522 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15523 (TARGET_IEEEQUAD): Define.
15524 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15525 not TARGET_IEEEQUAD.
15526 * config/rs6000/rs6000.md: Enable TFmode patterns if
15528 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15529 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15530 and -mlong-double-128 are incompatible.
15531 * doc/invoke.texi (-mabi): Collect options together. Add
15532 ibmlongdouble and ieeelongdouble.
15534 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15536 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15538 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15539 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15540 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15541 * rtl.h (rtunion_def): Remove rt_ptr.
15543 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15544 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15545 * config/i386/winnt.c (i386_pe_mark_dllexport)
15546 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15548 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15550 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15552 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15556 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15557 pthread_key_delete. From John David Anglin. gthrw-ify
15558 pthread_getunique_np only if it it's not a macro. Delete
15560 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15561 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15562 __gthread_objc_condition_signal, __gthread_key_delete): Add
15563 "__attribute__ ((__unused__))" to unused arguments.
15564 (__gthread_recursive_mutex_init_function): Add missing return.
15565 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15566 gthr-posix95.h: Use macro-based approach for name redirection
15567 on targets missing weakref.
15569 2006-01-26 Zack Weinberg <zackw@panix.com>
15571 * genconditions.c (write_header): In generated code, #ifdef out
15572 all includes and fake declarations, except includes of bconfig.h
15573 and system.h, unless GCC_VERSION >= 3001. Do not include
15574 gensupport.h in any case.
15575 (write_conditions): Generate a definition of struct c_test. Add
15576 a comment to the generated #endif.
15577 (write_one_condition): Escape backslashes in string too.
15578 (write_writer): Generated code must escape backslashes and quote
15579 marks (but not newlines) in the strings it writes.
15580 * Makefile.in (build/gencondmd.o): Update dependencies.
15582 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15585 * Makefile.in (insn-automata.o): Add header file dependencies.
15586 * genautomata.c: Add includes.
15588 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15591 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15593 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15595 * configure.ac: Expect target tools paths to be passed from the toplevel
15596 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15598 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15600 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15603 * c.opt (Wpointer-sign): Init to -1.
15604 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15605 OPT_pedantic, to 0 otherwise.
15606 * doc/invoke.texi: Update.
15608 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15610 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15611 constants provided by 80387 instructions in the destination mode.
15613 2006-01-26 Richard Guenther <rguenther@suse.de>
15614 Andrew Pinski <pinskia@physics.uc.edu>
15617 partial PR tree-opt/17064
15618 * tree-ssa-structalias.c (intra_create_variable_infos):
15619 Create heap variables for incoming parameters if
15620 flag_argument_noalias > 1.
15621 (find_what_p_points_to): Look through default defs of
15624 2006-01-26 Jeff Law <law@redhat.com>
15627 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15628 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15629 within the VR_RANGE, use the VR_RANGE as the result, not the
15631 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15632 bounds for the type.
15634 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15636 * tree-ssa-alias.c (maybe_create_global_var): Change
15637 subvar walking to an assertion that we don't have subvar'd variables.
15639 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15642 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15643 Use a new variable, inner. PARM_DECLs are always non-weak.
15645 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15647 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15648 --disable-checking.
15650 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15652 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15654 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15656 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15657 (smax_insn, smin_insn, smax_0, smin_0): New.
15659 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15662 * config/cris/cris.c (cris_order_for_addsi3): New function.
15663 * config/cris/cris-protos.h: Prototype it.
15664 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15665 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15666 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15667 (split for "op.S1 [rx=rx+i],ry (swapped)")
15668 (split for "op(s|u).S1 [rx=rx+i],ry")
15669 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15670 Apply cris_order_for_addsi3 when generating addsi3 insns.
15672 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15674 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15675 (TREE_BLOCK): Add call to EXPR_CHECK.
15677 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15680 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15681 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15682 (dump_omp_clauses): ... here.
15683 (dump_generic_node): Handle OMP_CLAUSE.
15684 * tree.c (omp_clause_num_ops): New.
15685 (omp_clause_code_name): New.
15686 (tree_code_size): Handle OMP_CLAUSE.
15687 (tree_size): Likewise.
15688 (make_node): Document handling of OMP_CLAUSE.
15689 (tree_node_structure): Handle OMP_CLAUSE.
15690 (omp_clause_check_failed): New.
15691 (omp_clause_range_check_failed): New.
15692 (omp_clause_operand_check_failed): New.
15693 (build_omp_clause): New.
15694 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15695 * tree.h (enum omp_clause_code): Declare.
15696 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15697 (OMP_CLAUSE_RANGE_CHECK): Define.
15698 (OMP_CLAUSE_ELT_CHECK): Define.
15699 (omp_clause_check_failed): Declare.
15700 (omp_clause_operand_check_failed): Declare.
15701 (omp_clause_range_check_failed): Declare.
15702 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15703 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15704 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15705 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15706 (OMP_CLAUSE_IF_EXPR): Likewise.
15707 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15708 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15709 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15710 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15711 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15712 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15713 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15714 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15715 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15716 (OMP_CLAUSE_CODE): Define.
15717 (OMP_CLAUSE_SET_CODE): Define.
15718 (OMP_CLAUSE_CODE): Define.
15719 (OMP_CLAUSE_OPERAND): Define.
15720 (struct tree_omp_clause): Declare.
15721 (union tree_node): Add field 'omp_clause'.
15722 * treestruct.def (TS_OMP_CLAUSE): Define.
15723 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15724 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15725 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15726 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15727 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15728 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15729 (OMP_CLAUSE): Define.
15730 * print-tree.c (print_node): Handle OMP_CLAUSE.
15731 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15732 * c-typeck.c: Likewise.
15733 * gimplify.c: Likewise.
15734 * c-omp.c: Likewise.
15735 * tree-nested.c: Likewise.
15736 * tree-inline.c: Likewise.
15737 * c-parser.c: Likewise.
15738 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15741 2006-01-25 Roger Sayle <roger@eyesopen.com>
15743 PR rtl-optimization/25703
15744 * combine.c (try_combine): Handle zero_extract and strict_low_part
15745 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15747 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15749 * global.c: Fix comment typos.
15751 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15754 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15755 Use output_addr_const instead of assemble_name.
15757 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15759 * Makefile.in (sched-vis.o): Update dependencies.
15760 * haifa-sched.c (sched_finish): Clear current_sched_info.
15761 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15762 (dump_flow_info): Call it.
15763 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15765 * basic-block.h (dump_bb_info): Declare.
15766 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15767 option, and apply options only for dump files whose TDF_RTL,
15768 TDF_TREE, or TDF_IPA bits match.
15769 * rtl.h: Declare new functions exported from sched-vis.c.
15770 * sched-vis.c: Enable also if scheduling is not used.
15771 (print_value): Print the mode of registers if not inside scheduling.
15772 (print_insn): Make it work outside the scheduler. Beautify the output
15774 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15776 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15778 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15779 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15780 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15781 depending on the value of CONSTANT_POOL_ADDRESS_P.
15782 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15784 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15785 rather than SYMBOL_REF_DECL.
15786 (rtx_constant_pool): Remove const_rtx_sym_htab.
15787 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15788 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15789 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15790 Remove handling of const_rtx_sym_htab.
15791 (find_pool_constant): Delete.
15792 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15793 rather than find_pool_constant.
15794 (get_pool_constant_for_function): Delete.
15795 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15796 find_pool_constant.
15797 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15798 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15799 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15800 (SYMBOL_REF_CONSTANT): New macro.
15801 (get_pool_constant_for_function): Delete.
15802 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15803 rather than SYMBOL_REF_DECL.
15804 (i386_pe_mark_dllimport): Likewise.
15805 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15806 rather than SYMBOL_REF_DECL.
15807 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15808 (machopic_indirect_call_target): Likewise.
15810 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15812 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15814 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15816 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15818 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15820 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15822 2006-01-24 David Daney <ddaney@avtrex.com>
15825 * configure.ac (enable_tls): New enable option.
15826 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15827 * configure: Regenerate.
15828 * doc/install.texi (--enable-tls): Document new option.
15829 (--disable-tls): Ditto.
15831 2006-01-24 Richard Henderson <rth@redehat.com>
15833 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15834 * alias.c (true_dependence): Respect it.
15835 (canon_true_dependence, write_dependence_p): Likewise.
15836 * builtins.c (get_builtin_sync_mem): Set it.
15838 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15840 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15843 2006-01-24 DJ Delorie <dj@redhat.com>
15845 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15846 for storing constants in single-bit bitfields.
15848 2006-01-25 Ben Elliston <bje@au.ibm.com>
15850 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15852 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15855 * tree-ssa-pre.c (phi_translate): Return NULL
15856 for AGGREGATE_TYPE's.
15858 2006-01-24 Zack Weinberg <zackw@panix.com>
15860 * genautomata.c (process_state_for_insn_equiv_partition):
15861 Use xcalloc for insn_arcs_array.
15862 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15863 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15865 2006-01-24 Richard Henderson <rth@redhat.com>
15867 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15868 update all callers.
15870 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15872 PR rtl-optimization/25890
15873 PR rtl-optimization/25905
15874 * combine.c (expand_compound_operation, expand_field_assignment):
15875 Fail if the bitfield's final position is out of bounds.
15877 2006-01-24 Ian Lance Taylor <ian@airs.com>
15879 PR middle-end/25930
15880 * cgraphunit.c (cgraph_output_in_order): Don't clear
15881 cgraph_asm_nodes until after asm strings have been output.
15883 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15885 * fix-header.c (read_scan_file): Add new parameter imultilib when
15886 calling register_include_chains.
15888 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15890 * omp-low.c: Update documentation.
15892 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15893 Daniel Berlin <dberlin@dberlin.org>
15897 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15898 return from the function.
15900 2006-01-22 Zack Weinberg <zackw@panix.com>
15902 * rtl.def (match_code): Add second argument.
15903 * genpreds.c (write_extract_subexp): New function.
15904 (write_match_code): Add path argument. Use write_extract_subexp.
15905 (write_predicate_expr): Pass path to write_match_code.
15906 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15907 not perform a mode test.
15908 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15909 a subexpression does not constrain the top-level code set.
15910 * read-rtl.c (read_rtx_variadic): New function.
15911 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15912 * doc/md.texi: Document new notation.
15913 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15914 (cmpsi_operand): ... here, using new notation.
15916 2006-01-22 Zack Weinberg <zackw@panix.com>
15918 * varray.c: Remove GENERATOR_FILE #ifdefs.
15920 2006-01-22 Zack Weinberg <zackw@panix.com>
15922 * genautomata.c (output_reserved_units_table): Emit nothing if
15923 description->query_units_num is zero. Remove extra blank line.
15924 (output_cpu_unit_reservation_p): Short circuit
15925 if description->query_units_num is zero.
15927 2006-01-22 Zack Weinberg <zackw@panix.com>
15929 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15930 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15931 nor any of the random handful of variables that used to be necessary
15932 when this program was linked with rtlanal.o. Prune set of forward
15933 function declarations.
15934 (struct attr_desc): Remove static_p field.
15935 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15936 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15937 (attr_string): Do not read the character one past the length of
15939 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15940 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15941 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15942 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15943 (make_automaton_attrs): New.
15944 (main): Do not call into genautomata. Call local gen_bypass
15945 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15946 Remove special case for insn_alts.
15947 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15948 varray.h (leftover from previous change). Prune set of forward
15949 function declarations. Remove state_alts fields from all
15950 structures. Remove state_alts_table from struct automaton.
15951 Make everything except main static. Do not maintain num_dfa_decls.
15952 Do not maintain state_alts fields of various structures.
15953 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15954 (add_arc): Remove state_alts argument. All callers updated.
15955 (output_reserved_units_table): Emit #ifdef here...
15956 (output_tables): ...not here. Don't generate state_alts tables.
15957 (expand_automata): Don't generate attributes.
15958 (write_automata): Don't generate state_alts functions.
15959 (main): New function.
15960 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15961 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15962 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15963 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15964 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15965 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15966 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15967 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15969 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15970 * genattrtab.h: Delete file.
15971 * Makefile.in (OBJS-common): Add insn-automata.o.
15972 (insn-automata.o): New rule.
15973 (simple_generated_c): Add insn-automata.c.
15974 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15975 (genprogmd): Add automata.
15976 (build/genattrtab): Needs no extra objects nor libraries.
15977 (build/genautomata): Needs build/vec.o and -lm.
15979 2006-01-22 Zack Weinberg <zackw@panix.com>
15981 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15982 (output_dfa_max_issue_rate, locked_states_num): Delete.
15983 (struct automaton): Add locked_states field.
15984 (output_dead_lock_vect): Save number of locked states in
15985 automaton->locked_states. If it is zero, don't print anything.
15986 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15987 (output_internal_dead_lock_func): Only test the dead_lock_vect
15988 for automata that have locked states.
15989 (output_statistics): Always print the number of locked states for
15990 each automaton. Calculate total number of locked states here.
15991 (write_automata): Don't call output_dfa_max_issue_rate.
15992 * genattrtab.c: Define length_unit_log as a const variable.
15993 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15994 max_insn_queue_index const.
15995 * final.c (length_unit_log): Declare const.
15996 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15998 2006-01-22 Zack Weinberg <zackw@panix.com>
16000 * genautomata.c: Include vec.h, not varray.h.
16001 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16002 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16003 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16004 VEC_* macros operating on appropriately typed vectors, or to
16005 malloced arrays when the size is known in advance. Const-ify
16006 many char* variables and function arguments. No functional changes.
16007 * Makefile.in (build/varray.o): Delete rule.
16008 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16009 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16011 2006-01-22 Zack Weinberg <zackw@panix.com>
16013 * gensupport.c: Define get_insn_name and record_insn_name here.
16014 (read_md_rtx): Call record_insn_name as appropriate.
16015 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16016 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16017 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16019 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16020 (BUILD_VARRAY): Delete.
16021 (genprognormal): Rename genprogmd. Fold in all programs from
16022 genprognoprint; also attrtab.
16023 (build/genattrtab): Just mention genautomata.o and varray.o.
16024 Reorganize a bit, add comments to make the categories clearer.
16026 2006-01-22 Zack Weinberg <zackw@panix.com>
16028 * genconditions.c (condition_table, add_condition): Delete.
16029 (write_conditions): Don't emit n_insn_conditions nor
16030 insn_elision_unavailable. Issue the gcc version #ifdef here,
16031 inside the table, with no #else clause ...
16032 (write_header): ...not here.
16033 (write_writer): New function.
16034 (main): Don't initialize condition_table. Use add_c_test.
16036 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16037 files on the command line.
16038 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16039 Return -1 if there is no entry in the table, don't abort.
16040 (add_c_test, traverse_c_tests): New functions.
16041 * gensupport.h (insn_elision_unavailable, insn_conditions)
16042 (n_insn_conditions): Delete declarations.
16043 (add_c_test, traverse_c_tests): Declare.
16044 * read-rtl.c: Include gensupport.h.
16045 (read_conditions): New function.
16046 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16047 (read_rtx_1): If we get EOF when we were looking for an initial
16048 open paren, return 0. Call read_conditions when appropriate.
16049 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16050 dummy-conditions.o. Eliminate references to insn-conditions.o,
16051 or change them to build/gencondmd.o, as appropriate. Remove
16052 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16053 from $(simple_generated_c). For all files remaining in those
16054 two lists, add insn-conditions.md to the generator command line.
16055 Give insn-constants.h/s-constants their own rules. Add rules
16056 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16057 (build/read-rtl.o): Depend on gensupport.h.
16058 (genprognormal): Include preds.
16059 (genprogearly): Rename genprognoprint; only difference is now that
16060 they don't link with $(BUILD_PRINT).
16061 * dummy-conditions.c: Delete.
16063 2006-01-22 Zack Weinberg <zackw@panix.com>
16065 * genextract.c: Don't include insn-config.h. Do include vec.h.
16066 Declare vectors of int, char, and locstr.
16067 (locstr): New typedef.
16068 (struct extraction): Make all array fields into bare pointers.
16069 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16070 (insn_code_number): Delete.
16071 (accum_extract): New struct.
16072 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16073 (gen_insn): Take insn_code_number as an argument. Use an
16074 accum_extract structure instead of loading data directly into
16075 a struct extraction, and having to know how big it might get.
16076 (walk_rtx): Operate entirely on an accum_extract structure.
16077 (print_path): Avoid unnecessary use of printf.
16078 (print_header): New function, split out of main. Distinguish
16079 more carefully between an unrecognizable insn and an insn that
16080 has the code number of a define_expand.
16081 (main): Pass insn_code_number to gen_insn. Call print_header
16082 only after parsing. Avoid unnecessary use of printf.
16083 * Makefile.in (build/vec.o): New rule.
16084 (build/genextract): Depend on build/vec.o.
16085 (build/genextract.o): Don't depend on insn-config.h.
16087 2006-01-22 Zack Weinberg <zackw@panix.com>
16089 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16090 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16091 practical. Eliminate per-generator-program link rules.
16093 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16095 PR middle-end/24437
16096 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16097 with a call expr to ...
16098 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16100 2006-01-23 Richard Guenther <rguenther@suse.de>
16102 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16103 before make_edge with conditional EDGE_TRUE_VALUE.
16105 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16106 Jan Hubicka <jh@suse.cz>
16107 Richard Guenther <rguenther@suse.de>
16109 PR rtl-optimization/25654
16110 * cfgexpand.c (aggregate_contains_union_type): New function.
16111 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16112 for structure variables that contain a union type.
16114 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16116 * gengtype.c (new_structure): Return the structure.
16117 (create_option): Add an extra "next" argument.
16118 (create_field): New function.
16119 (adjust_field_rtx_def): Use create_option and create_field.
16120 Remove a now-unnecessary call to find_structure.
16121 (adjust_field_tree_def): Likewise.
16122 (note_yacc_type): Remove an unnecessary call to find_structure.
16123 * gengtype.h (new_structure): Return the structure.
16124 (create_option): Add an extra argument.
16125 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16126 (option): Adjust calls to create_option.
16128 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16130 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16132 2006-01-22 Paul Brook <paul@codesourcery.com>
16133 Peter Barada <peter@the-baradas.com>
16135 * config/m68k/m68k.md: Add Coldfire FPU support.
16136 Define FP mode macro and associated attributes.
16137 Use it for float mode patterns.
16138 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16139 (LIBCALL_VALUE): Use m68k_libcall_value.
16140 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16141 (m68k_function_value): Ditto.
16142 (emit_move_sequence): Ditto.
16143 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16144 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16145 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16146 (MULTILIB_EXCEPTIONS): Ditto.
16147 * config/m68k/m68k.opt: Add mcfv4e.
16148 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16149 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16150 (m68k_output_function_prologue): Save ColdFire FPU registers.
16151 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16152 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16153 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16154 ColdFire FPU registers.
16155 (m68k_libcall_value, m68k_function_value): New functions.
16156 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16157 (LIBCALL_VALUE): Use m68k_libcall_value.
16158 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16159 (MASK_COLDFIRE): Add MASK_CFV4E.
16160 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16161 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16162 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16163 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16164 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16165 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16166 * doc/invoke.tex: Document -mcfv4e on m68k.
16168 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16170 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16173 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16176 * c-opts.c (c_common_handle_option): Don't include
16177 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16178 * doc/invoke.texi (C++ Dialect Options): Document that
16179 -Wnon-virtual-dtor is no longer included in -Wall.
16181 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16183 * gcov.c (print_version), gcov-dump.c (print_version),
16184 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16187 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16189 * df-scan.c (problem_SCAN): Added NULL reset function.
16190 (df_scan_reset_blocks): Added code to call reset block function
16191 (df_bb_refs_delete) Fixed comment.
16192 (df_insn_refs_delete): Made tolerant of deleting non existent info
16193 for dataflow problems that need to be reset.
16194 * df-core.c (df_set_blocks): Ditto.
16195 * df.h (struct df_problem): Added reset_fun.
16196 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16197 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16198 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16199 functions to clear out all references to def-use or use-def chains.
16201 2006-01-21 Ben Elliston <bje@au.ibm.com>
16203 * varasm.c (assemble_real): Initialise data array.
16205 2006-01-20 Paul Brook <paul@codesourcery.com>
16207 Merge from csl-arm-branch.
16208 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16209 * config/arm/arm.md (movdi): Force operands[1] to a register
16210 if we have a non-register source.
16211 (*arm_movdi, *movdf_soft_insn): Require that one of the
16212 operands be a register.
16213 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16214 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16216 2006-01-20 DJ Delorie <dj@redhat.com>
16218 * varasm.c (initializer_constant_valid_p): Allow pointers
16219 initialized from integer constants of lesser precision.
16220 (output_constant): Allow non-int-sized pointer modes to be
16221 initialized from integer constants.
16223 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16226 * cppdefault.h (struct default_include): Add multilib flag.
16227 * cppdefault.c (cpp_include_defaults): Set it.
16228 * c.opt (-imultilib): New option.
16229 * c-opts.c (imultilib): New.
16230 (c_common_handle_option): Handle -imultilib.
16231 (c_common_post_options): Likewise.
16232 * c-incpath.c (add_standard_paths, register_include_chains):
16234 * c-incpath.h (register_include_chains): Add extra parameter.
16235 * gcc.c (do_spec_1): Generate -imultilib option.
16236 (The Specs Language): Update %I description.
16237 (process_command): Update copyright notice.
16238 * doc/cppopts.texi (-imultilib): Document.
16239 * doc/invoke.texi (-imultilib): Include in option summary.
16240 (%I): Update specs documentation.
16242 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16244 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16246 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16248 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16251 2006-01-20 Richard Guenther <rguenther@suse.de>
16252 Steven Bosscher <stevenb.gcc@gmail.com>
16254 PR rtl-optimization/24626
16255 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16256 EDGE_TRUE_VALUE if in RTL mode.
16259 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16260 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16262 2006-01-20 Dirk Mueller <dmueller@suse.com>
16265 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16266 instead of a special NOP marker.
16267 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16268 NOP marker handling.
16269 * c-common.h (empty_body_warning): Add forward declaration.
16270 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16271 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16273 2006-01-20 Paul Brook <paul@codesourcery.com>
16275 * Makefile.in (lang_checks): Keep going if mkdir fails.
16277 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16279 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16280 be able to clean out basic block when not necessary.
16281 (df_scan_free): Fixed to properly delete information if df is
16282 unused before calling df_finish.
16283 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16284 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16286 (df_bb_refs_delete): New function.
16287 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16288 * df-core.c (df_set_blocks): Added code to properly clean out
16289 unused blocks if they are not part of the blocks to consider.
16290 Added additional null check.
16291 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16292 be able to clean out basic block when not necessary
16293 * df.h (df_free_bb_function): Ditto.
16294 (df_bb_refs_delete): New function.
16295 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16296 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16297 basic block parameter to be able to clean out basic block when not
16299 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16300 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16301 Fixed to properly delete information if df is unused before
16304 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16306 PR rtl-optimization/25799
16307 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16308 Corrected confluence operator to remove bits from op2 before oring
16309 with op1 rather than removing bits from op1.
16310 (df_ru_transfer_function): Corrected test on wrong bitmap which
16311 caused infinite loop. Both of these problems were introduced in
16312 the dataflow rewrite.
16314 2006-01-19 DJ Delorie <dj@redhat.com>
16316 * reload1.c (find_reload_regs): Note the details of reload
16317 failures in the dump file.
16318 (spill_failure): Likewise.
16320 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16322 * loop-iv.c: Include df.h and hashtab.h.
16323 (enum iv_grd_result): New enum.
16324 (DF_REF_IV, DF_REF_IV_SET): New macros.
16325 (struct biv_entry): New.
16326 (df, bivs): New global variables.
16327 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16328 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16330 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16331 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16332 analyzed_for_bivness_p, record_biv): New functions.
16333 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16334 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16335 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16337 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16339 (iv_number_of_iterations): Use new interface to iv analysis.
16340 * loop-unroll.c: Do not include varray.h.
16341 (analyze_iv_to_split_insn): Use new interface to iv
16343 * loop-unswitch.c (may_unswitch_on): Ditto.
16344 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16346 (df_bb_modify): Realloc tables to the new index.
16347 (df_find_use): New function.
16348 * df.h (df_find_use): Declare.
16349 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16351 * cfgloop.h (struct rtx_iv): Remove analysed field.
16352 (iv_get_reaching_def): Removed.
16353 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16354 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16355 (loop-iv.o): Add df.h and hashtab.h dependency.
16356 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16358 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16361 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16363 (__floatundisf, __floatundidf): Likewise.
16364 * libgcc2.h (IS_IBM_EXTENDED): Define.
16366 2006-01-19 DJ Delorie <dj@redhat.com>
16368 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16370 2006-01-19 Paul Brook <paul@codesourcery.com>
16372 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16373 as nothrow when unwinding tables are disabled.
16375 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16378 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16379 of bit-field" when in system header.
16381 2006-01-19 DJ Delorie <dj@redhat.com>
16383 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16384 the 16 bit shift limit of the m16c.
16386 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16389 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16390 * config/i386/i386.c (output_set_got): Output the label if we have one
16391 for the TARGET_DEEP_BRANCH_PREDICTION case.
16393 2006-01-19 Jan Hubicka <jh@suse.cz>
16394 H.J. Lu <hongjiu.lu@intel.com>
16395 Evandro Menezes <evandro.menezes@amd.com>
16397 * invoke.texi (generic): Document
16399 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16400 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16401 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16402 (x86_use_incdec, x86_pad_returns): New variables
16403 (TARGET_CPU_DEFAULT_generic): New constant
16404 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16405 (enum processor_type): Add generic32 and generic64.
16406 * i386.md (cpu attribute): Add generic32/generic64
16407 (movhi splitter): Behave sanely when both partial_reg_dependency and
16408 partial_reg_stall are set.
16409 (K8 splitters): Enable for generic as well.
16410 * predicates.md (incdec_operand): Use TARGET_INCDEC
16411 (aligned_operand): Avoid memory mismatch stalls.
16412 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16413 * ppro.md: Enable for generic32
16414 * i386.c (generic64_cost, generic32_cost): New.
16415 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16416 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16417 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16418 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16419 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16420 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16421 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16422 x86_accumulate_outgoing_args, x86_prologue_using_move,
16423 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16424 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16425 Enable for generic.
16426 (x86_use_incdec, x86_pad_returns): New.
16427 (override_options): Add generic32 and generic64, translate "generic"
16428 to generic32/generic64 and "i686" to "generic32", refuse
16429 "generic32"/"generic64" as arch target.
16430 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16431 (ix86_reorg): Honor PAD_RETURNS.
16433 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16435 * tree-pretty-print.c (dump_generic_node): Handle
16436 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16437 * cgraph.c (cgraph_expand_queue): Rename from
16438 cgraph_analyze_queue. Update all users.
16439 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16440 cgraph_expand_queue.
16441 (cgraph_expand_all_functions): Likewise.
16442 (cgraph_finalize_pending_functions): Remove. Update callers.
16444 * tree.h (OMP_DIRECTIVE_P): Define.
16445 (OMP_PARALLEL_FN): Define.
16446 (OMP_PARALLEL_DATA_ARG): Define.
16447 (OMP_SECTIONS_SECTIONS): Define.
16448 * tree-pass.h (pass_expand_omp): Declare.
16449 * omp-low.c (struct omp_region): Declare.
16450 (struct omp_context): Remove fields 'parallel_type',
16451 'parallel_start_ix' and 'parallel_start_additional_args'.
16453 (struct omp_for_data): Rename from struct expand_omp_for_data.
16454 (omp_regions): New static variable.
16455 (root_omp_region): New static variable.
16456 (find_omp_clause): Make static.
16457 (is_in_combined_parallel_ctx): Remove.
16458 (is_combined_parallel): New.
16459 (extract_omp_for_data): Move earlier in the file.
16460 (workshare_safe_to_combine_p): New.
16461 (get_ws_args_for): New.
16462 (determine_parallel_type): Move earlier in the file.
16463 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16465 (omp_copy_decl): Likewise.
16466 (create_omp_child_function): Likewise.
16467 (lookup_omp_region): New.
16468 (dump_omp_region): New.
16469 (debug_omp_region): New.
16470 (debug_all_omp_regions): New.
16471 (new_omp_region): New.
16472 (scan_omp_parallel): If parallel_nesting_level > 1, the
16473 directive is nested within another parallel directive.
16474 Set OMP_PARALLEL_FN.
16475 (scan_omp_for): Do not try to handle combined parallel+for
16477 Remove FIXME comment.
16478 (scan_omp_nested): Remove.
16479 (scan_omp_1): Do not call scan_omp_nested when
16480 parallel_nesting_level is > 1.
16481 Do not change the DECL_CONTEXT of local variables found.
16482 (lookup_decl_in_outer_ctx): New.
16483 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16484 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16485 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16486 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16487 If CTX is nested, lookup VAR in the outer context when
16488 building copy assignment.
16489 (lower_send_clauses): Rename from expand_send_clauses.
16490 If CTX is nested, lookup VAR in the outer context when
16491 building copy assignments.
16492 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16493 If CTX is nested, lookup VAR in the outer context when
16494 building copy assignments.
16495 (expand_parallel_call): Rename from build_parallel_call.
16496 Handle combined parallel+workshare cases.
16497 Re-implement to emit code into the CFG.
16499 (expand_omp_parallel): Re-implement to emit code into the CFG.
16500 Call move_sese_region_to_fn to outline the sub-graph
16501 containing the parallel region.
16502 (expand_omp_for_1): Remove.
16503 (expand_omp_for_generic): Re-implement to emit code into the
16505 (expand_omp_for_static_nochunk): Likewise.
16506 (expand_omp_for_static_chunk): Likewise.
16507 (expand_omp_for): Likewise.
16508 (expand_omp_sections): Likewise.
16509 (remove_exit_barriers): New.
16510 (expand_omp_synch): New.
16512 (build_omp_regions_1): New.
16513 (build_omp_regions): New.
16514 (execute_expand_omp): New.
16515 (gate_expand_omp): New.
16516 (pass_expand_omp): Define.
16517 (lower_omp_sections): Rename from expand_omp_sections.
16518 Set OMP_SECTIONS_SECTIONS.
16519 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16520 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16521 (lower_omp_single): Rename from expand_omp_simple.
16522 (lower_omp_master): Rename from expand_omp_master.
16523 (lower_omp_ordered): Rename from expand_omp_ordered.
16524 (lower_omp_critical): Rename from expand_omp_critical.
16525 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16526 (lower_omp_for): Re-implement.
16527 (lower_omp_parallel): Re-implement.
16528 (lower_regimplify): Rename from expand_regimplify.
16529 (lower_omp_1): Rename from expand_omp_1.
16530 If there are syntax errors in the program, replace every
16531 OpenMP directive with NOP.
16532 Call lower_omp_* instead of expand_omp_*.
16533 (lower_omp): Rename from expand_omp.
16535 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16536 * tree-gimple.h (enum omp_parallel_type): Remove.
16537 (gimple_boolify): Declare extern.
16538 (find_omp_clause, determine_parallel_type): Remove.
16540 * gimple-low.c (lower_omp_directive): New.
16541 (lower_stmt): Call it.
16542 (record_vars_into): Move from ...
16543 (record_vars): ... here.
16544 Call record_vars_into with current_function_decl.
16546 * gimplify.c (struct gimplify_ctx): Remove fields
16547 combined_pre_p and combined_ctxp. Update users.
16548 (get_formal_tmp_var): Add documentation.
16549 (gimple_boolify): Make extern.
16550 (gimplify_expr_in_ctx): Remove. Update callers.
16551 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16552 will always be a BIND_EXPR.
16553 (gimplify_expr): Handle OMP_RETURN_EXPR.
16554 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16555 (OMP_PARALLEL): Add 3 operands.
16556 (OMP_SECTIONS): Add 1 operand.
16557 (OMP_RETURN_EXPR): Define.
16559 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16560 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16561 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16562 creating a circular free list.
16563 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16565 * tree-flow.h (move_sese_region_to_fn): Declare.
16566 (record_vars_into): Declare.
16567 * tree-cfg.c (make_omp_sections_edges): New.
16568 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16569 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16570 OMP_SECTIONS and OMP_SECTION.
16571 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16572 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16573 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16574 (gather_blocks_in_sese_region): New.
16575 (struct move_stmt_d): Declare.
16576 (move_stmt_r): New.
16577 (move_block_to_fn): New.
16578 (move_sese_region_to_fn): New.
16580 * passes.c (init_optimization_passes): Schedule
16581 pass_expand_omp after pass_init_datastructures.
16583 * tree-ssa-operands.c (get_expr_operands): Handle
16584 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16585 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16587 2006-01-19 Jeff Law <law@redhat.com>
16589 * tree-vrp.c (extract_range_from_assert): Refine the result range
16590 if the variable referenced by the ASSERT_EXPR has a range and
16591 either the tentative result range or the previous range is a
16594 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16596 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16598 2006-01-19 Jan Hubicka <jh@suse.cz>
16600 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16602 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16604 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16605 (expand_compound_operation, expand_field_assignment): Fail if the
16606 bit lengths of an extract operation are out of range.
16607 (make_extraction): Compute wanted_inner_mode based on the position
16608 and length of the extraction. Make it extraction_mode for non-constant
16609 positions, and do not modify offset in that case. When generating a
16610 new MEM, use a mode that can hold the extraction while keeping correct
16611 alignment. Remove code that supported MEMs wrapped by USEs.
16612 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16614 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16616 * config/s390/s390.md ("Y", "y"): New mode attribute.
16617 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16618 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16619 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16620 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16621 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16622 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16623 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16624 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16625 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16626 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16627 "addsi3", "subsi3"): Insn patterns removed.
16628 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16629 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16630 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16631 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16632 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16633 "*sub<mode>3_cconly2"): New insn patterns.
16634 ("addsi3", "subsi3"): New expanders.
16636 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16638 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16639 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16640 existing STMT_VINFO_VECTYPE if available.
16641 (vect_mark_relevant): Add special handling for stmts that are
16642 marked as STMT_VINFO_IN_PATTERN_P.
16643 (vect_analyze_loop): Call vect_pattern_recog.
16644 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16645 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16647 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16648 (vect_recog_func_ptr): New function-pointer type.
16649 * tree-vect-patterns.c: New file.
16650 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16651 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16652 (vect_pattern_recog_1): New functions.
16653 (vect_pattern_recog_funcs): New array of function pointers.
16655 * tree-vectorizer.h (ternary_op): New enum value.
16656 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16657 declaration. Revised documentation. Removed redundant dump prints.
16658 Removed redundant argument. Added support for reduction patterns.
16659 (vectorizable_reduction): Added support for reduction patterns.
16660 (vect_transform_stmt): Added support for patterns.
16662 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16663 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16664 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16665 (expand_widen_pattern_expr): New function.
16666 (init_optabs): Initialize new optabs udot_prod_optab,
16668 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16669 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16670 (expand_widen_pattern_expr): New function declaration.
16671 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16673 * tree-inline.c (estimate_num_insns_1): Added cases for new
16674 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16675 * tree-pretty-print.c (dump_generic_node): Likewise.
16676 (op_prio): Likewise.
16677 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16678 * tree-ssa-operands.c (get_expr_operands): Added case for
16680 * tree-vect-patterns.c (widened_name_p): New function.
16681 (vect_recog_dot_prod_pattern): Added function implementation.
16682 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16683 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16684 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16685 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16687 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16688 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16689 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16690 (init_optabs): Initialize new optabs widen_ssum_optab,
16692 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16693 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16694 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16695 use instead of type of def.
16696 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16697 function implementation.
16698 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16699 widen_ssumv8hi): New.
16701 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16704 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16707 * c-decl.c (add_flexible_array_elts_to_size): New function.
16708 (finish_decl): Use it.
16710 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16712 * diagnostic.h: Include options.h.
16713 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16714 dependancies for diagnostic.h.
16715 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16717 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16719 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16720 (ssa_ro_call_cache_valid): Ditto.
16721 * tree-ssa-alias.c (sort_tags_by_id): New function.
16722 (init_transitive_clobber_worklist): Ditto.
16723 (add_to_worklist): Ditto.
16724 (mark_aliases_call_clobbered): Ditto.
16725 (compute_tag_properties): Ditto.
16726 (set_initial_properties): Ditto.
16727 (compute_call_clobbered): Ditto.
16728 (compute_may_aliases): Call compute_call_clobbered and grouping.
16729 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16730 (compute_flow_insensitive_aliasing): Grouping now happens in our
16732 (setup_pointers_and_addressables): Remove clobbering related code.
16733 (add_may_alias): Ditto.
16734 (replace_may_alias): Ditto.
16735 (get_nmt_for): Ditto.
16736 (create_global_var):
16737 (is_escape_site): Return an escape_type enumeration.
16738 * tree-flow-inline.h (is_call_clobbered): Global var does not
16739 imply call clobbered.
16740 (mark_call_clobbered): Take a reason for marking this. Remove
16741 marking of globalness, and cache invalidation.
16742 (clear_call_clobbered): Remove cache invalidation code.
16743 * tree-dfa.c (dump_variable): If details is on, dump the reason
16745 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16747 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16748 (struct var_ann_d): Ditto.
16749 (enum escape_type): New.
16750 (mark_call_clobbered): Adjust prototype.
16751 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16752 are never call clobbered.
16753 Record reasons for escaping.
16754 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16755 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16756 (ssa_ro_call_cache_valid): Ditto.
16757 (clobbered_v_may_defs): Ditto.
16758 (clobbered_vuses): Ditto.
16759 (ro_call_vuses): Ditto.
16760 (clobber_stats): New.
16761 (init_ssa_operands): Zero out clobber stats.
16762 (fini_ssa_operands): Print out clobber stats.
16763 (get_call_expr_operands): Pass callee fndecl to
16764 add_call_read_ops).
16765 (add_call_clobber_ops): Remove use of cache.
16766 Add use of PURE_CONST information.
16767 (add_call_read_ops): Remove use of cache.
16768 Add use of static not_read information.
16770 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16772 Introduce TLS descriptors for i386 and x86_64.
16773 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16774 (TARGET_ANY_GNU_TLS): New macro.
16775 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16776 (struct machine_function): Add tls_descriptor_call_expanded_p.
16777 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16778 (ix86_current_function_calls_tls_descriptor): Likewise.
16779 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16780 (override_options): Introduce gnu2 tls dialect.
16781 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16783 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16785 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16786 (ix86_init_machine_status): Initialize new field.
16787 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16788 (ix86_tls_module_base): New.
16789 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16790 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16791 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16792 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16793 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16794 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16795 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16796 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16797 * config/i386/predicates.md (tls_modbase_operand): New.
16798 (tp_or_register_operand): New.
16800 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16802 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16803 (look_for_address_of): Ditto.
16804 (ipa_init): Walk the function decls.
16805 (static_execute): Don't set readonly on FUNCTION_DECL's.
16807 2006-01-18 Roger Sayle <roger@eyesopen.com>
16809 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16810 for shifts where the source and destination registers are different.
16812 2006-01-18 Paul Brook <paul@codesourcery.com>
16814 Merge from csl-arm-branch.
16815 2005-03-14 Julian Brown <julian@codesourcery.com>
16816 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16817 (aeabi_llsl): Likewise.
16818 (ashrdi3): Likewise.
16819 (aeabi_lasr): Likewise.
16820 (lshrdi3): Likewise.
16821 (aeabi_llsr): Likewise.
16822 2005-03-10 Julian Brown <julian@codesourcery.com>
16823 * config.gcc: Disable shared libgcc for SymbianOS.
16824 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16826 2006-01-18 DJ Delorie <dj@redhat.com>
16828 * c-pragma.c (handle_pragma_diagnostic): New.
16829 (init_pragma): Register it.
16830 * doc/extend.texi: Document it.
16832 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16833 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16834 (diagnostic_context): Add classify_diagnostic[].
16835 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16836 as errors if they're overridden to DK_WARNING.
16837 (diagnostic_initialize): Initialize classify_diagnostic[].
16838 (diagnostic_set_kind_override): New.
16839 (diagnostic_report_diagnostic): Check for kind changes.
16840 * opts.c (common_handle_option): Take lang_mask. Update callers.
16841 Handle OPT_Werror_.
16842 * common.opt (Werror=): New.
16843 * doc/invoke.texi: Document -Werror=*
16845 2006-01-18 Jeff Law <law@redhat.com>
16847 * tree-vrp.c (test_for_singularity): Correct test for new
16848 min limit. Use operand_equal_p rather than pointer equality
16849 for testing if new min/max values are equal.
16851 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16852 using range information until after propagation and folding.
16854 2006-01-18 Richard Henderson <rth@redhat.com>
16855 Aldy Hernandez <aldyh@redhat.com>
16856 Jakub Jelinek <jakub@redhat.com>
16857 Diego Novillo <dnovillo@redhat.com>
16859 * omp-low.c: New file.
16860 * c-omp.c: New file.
16862 2006-01-18 Richard Henderson <rth@redhat.com>
16863 Jakub Jelinek <jakub@redhat.com>
16864 Diego Novillo <dnovillo@redhat.com>
16866 * doc/invoke.texi: Document -fopenmp.
16867 * tree-dump.h (debug_function): Declare.
16868 * hooks.c (hook_bool_tree_bool_false): New function.
16869 (hook_tree_tree_null): Remove.
16870 (hook_tree_tree_tree_null): New.
16871 * hooks.h: Update to match.
16872 * tree-pretty-print.c (debug_tree_chain): New.
16873 (print_generic_expr): Handle TDF_CHAIN.
16874 (dump_generic_node): Handle BLOCK.
16875 Do not abort with incomplete SWITCH_EXPRs.
16876 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16877 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16878 print space after directive name.
16879 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16880 Handle OMP_MASTER and OMP_ORDERED.
16881 Handle printing of OMP_BODY just in one place, goto
16882 dump_omp_body in the rest of OMP_* nodes that have
16884 Don't handle clause nodes here. Update omp statements to
16885 use dump_omp_clauses.
16886 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16887 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16888 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16889 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16890 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16891 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16892 Adjust output for GOMP_PARALLEL.
16893 (dump_omp_clauses): New.
16894 (print_declaration): Dump DECL_VALUE_EXPR.
16895 (op_symbol_1): Split out of op_symbol.
16896 (dumping_stmts): Remove. Update all users.
16897 * cgraph.c (cgraph_analyze_queue): New.
16898 (cgraph_add_new_function): New.
16899 * cgraph.h (cgraph_analyze_queue): Declare.
16900 (cgraph_add_new_function): Declare.
16901 (cgraph_lower_function): Remove.
16902 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16903 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16904 and TYPE_P nodes in its default clause.
16905 (empty_body_p): New.
16906 (tree_range_check_failed): New.
16907 (build5_stat): New.
16908 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16909 OMP_CLAUSE_REDUCTION_MERGE,
16910 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16911 OMP_CLAUSE_PRIVATE_DEBUG,
16912 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16913 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16914 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16915 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16916 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16917 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16918 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16919 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16920 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16921 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16922 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16923 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16924 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16925 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16926 (TREE_RANGE_CHECK): New.
16927 (empty_body_p): Declare.
16928 (enum omp_clause_default_kind): New.
16929 (build_string_literal): Declare.
16930 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16931 (build5_stat, build5): Declare.
16932 * tree-pass.h (TDF_CHAIN): Define.
16933 * tree-pass.h (PROP_gimple_lomp): Define.
16934 (pass_lower_omp): Declare.
16935 * diagnostic.h (debug_tree_chain): Declare.
16936 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16938 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16939 * builtins.c (build_string_literal): Make extern.
16940 * gcc.c (include_spec_function): New.
16941 (static_spec_functions): Add it.
16942 (main): Move load of libgomp.spec ...
16943 (LINK_COMMAND_SPEC): ... here.
16944 (link_gomp_spec): New.
16945 (static_specs): Include it.
16946 (LINK_COMMAND_SPEC): Add link_gomp.
16947 (GOMP_SELF_SPECS): New.
16948 (driver_self_specs): Include it.
16949 (switch_matches): Don't mark inline.
16950 (main): Load libgomp.spec.
16951 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16952 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16953 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16954 * tree-gimple.h (enum omp_parallel): Declare.
16955 (determine_parallel_type): Declare.
16956 (omp_firstprivatize_variable): Declare.
16957 (omp_reduction_init): Declare.
16958 (diagnose_omp_structured_block_errors): Declare.
16959 (struct walk_stmt_info): Add want_return_expr.
16960 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16961 (find_omp_clause): Declare.
16962 (insert_field_into_struct): Declare.
16963 (struct walk_stmt_info): Move from tree-nested.c
16964 (walk_stmts): Declare.
16965 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16967 * cgraphunit.c (cgraph_lower_function): Make static.
16968 (cgraph_finalize_pending_functions): New.
16969 (cgraph_finalize_function): Call it.
16970 (cgraph_finalize_compilation_unit): Likewise.
16971 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16972 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16973 (BT_FN_UINT_UINT): New.
16974 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16975 DEF_FUNCTION_TYPE_VAR_4): Document.
16976 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16977 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16978 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16979 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16980 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16981 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16982 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16983 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16984 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16985 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16986 into separate files.
16987 (DEF_GOMP_BUILTIN): New.
16988 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16989 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16990 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16991 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16992 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16993 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16994 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16995 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16996 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16997 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16998 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16999 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17000 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17001 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17002 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17003 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17004 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17005 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17006 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17007 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17008 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17009 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17010 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17011 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17012 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17013 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17014 * sync-builtins.def: New file, moved from builtins.def.
17015 * omp-builtins.def: New file, moved from builtins.def.
17016 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17017 * gimple-low.c (lower_function_body): Clear data.
17018 (lower_stmt): Do not handle COMPOUND_EXPR.
17019 Remove call to print_node_brief.
17020 * c-tree.h (c_finish_omp_clauses): New prototype.
17021 (C_DECL_THREADPRIVATE_P): Define.
17022 (lookup_name_no_remap, c_omp_remap_private): Remove
17023 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17024 (check_for_loop_decls): Update decl.
17025 (lookup_name_no_remap, c_omp_remap_private): Declare.
17026 (build_indirect_ref, build_modify_expr, pushdecl,
17027 pushdecl_top_level): Move to c-common.h.
17028 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17029 before the switch, but just in the 2 places that need it.
17030 * c-decl.c (diagnose_mismatched_decls): Do not check for
17031 mismatched thread-local attributes when OLDDECL is marked
17032 threadprivate and NEWDECL has no thread-local attributes.
17033 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17034 (c_gimple_diagnostics_recursively): Rename from
17035 c_warn_unused_result_recursively. Invoke
17036 diagnose_omp_structured_block_errors.
17037 (check_for_loop_decls): Return a singular decl found.
17038 * langhooks.c (lhd_omp_predetermined_sharing): Return
17039 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17040 (lhd_omp_firstprivatize_type_sizes): New.
17041 (lhd_omp_assignment): New.
17042 (lhd_omp_predetermined_sharing): New.
17043 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17044 (struct lang_hooks_for_types): Add
17045 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17046 omp_predetermined_sharing, omp_disregard_value_expr,
17047 omp_private_debug_clause, omp_clause_default_ctor,
17048 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17049 (c_finish_omp_clauses): New.
17050 (c_finish_bc_stmt): Diagnose break within omp for.
17051 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17052 (build_unary_op): Return error_mark after reporting
17054 (build_modify_expr): Likewise.
17055 * gimplify.c: Include optabs.h and pointer-set.h.
17056 (enum gimplify_omp_var_data): Declare.
17057 (struct gimplify_omp_ctx): Declare.
17058 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17060 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17061 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17062 (splay_tree_compare_decl_uid): New.
17063 (new_omp_context): New.
17064 (delete_omp_context): New.
17065 (gimple_add_tmp_var): Call omp_add_variable.
17066 (gimplify_bind_expr): Likewise.
17067 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17068 true, disregard DECL_VALUE_EXPR on the decl if any.
17069 (gimplify_expr_in_ctx): New.
17070 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17071 omp_add_variable, omp_notice_variable, omp_is_private
17072 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17073 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17074 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17075 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17076 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17077 gimplify_omp_atomic): New.
17078 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17079 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17080 OMP_CRITICAL and OMP_ATOMIC.
17081 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17082 * c-pragma.h (enum pragma_kind): Add
17083 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17084 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17085 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17086 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17087 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17088 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17089 PRAGMA_OMP_THREADPRIVATE.
17090 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17091 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17092 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17093 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17094 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17095 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17096 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17097 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17098 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17099 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17100 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17101 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17102 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17104 (struct nesting_info): Add field_map,
17105 suppress_expansion, debug_var_chain.
17106 (create_nesting_tree): Initialize them.
17107 (lookup_field_for_decl): Use field_map.
17108 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17109 (convert_local_omp_clauses): New.
17110 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17111 (walk_body): Split out of walk_function.
17112 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17113 (convert_nonlocal_reference): Handle omp statements.
17114 (convert_local_reference): Likewise.
17115 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17116 (unnest_nesting_tree): New.
17117 (lower_nested_functions): Call it.
17118 (insert_field_into_struct): Make extern.
17119 (struct walk_stmt_info): Move to tree-gimple.h.
17120 (walk_stmts): Make extern.
17121 * omp-builtins.def: New file.
17122 * tree-iterator.c (expr_only): Clarify comment.
17123 * c-common.h (pushdecl_top_level, pushdecl,
17124 build_modify_expr, build_indirect_ref,
17125 c_finish_omp_master, c_finish_omp_critical,
17126 c_finish_omp_ordered, c_finish_omp_barrier,
17127 c_finish_omp_atomic, c_finish_omp_flush,
17128 c_finish_omp_for, c_split_parallel_clauses,
17129 omp_clause_default_kind, c_omp_sharing_predetermined,
17130 c_omp_remap_decl): Declare.
17131 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17132 (OBJS-common): Add omp-low.o.
17133 (c-omp.o, omp-low.o): Add.
17134 (gimplify.o): Add dependency on $(OPTABS_H).
17135 (GTFILES): Add omp-low.c.
17136 (gt-stringpool.h): Add.
17137 * tree-cfg.c (set_bb_for_stmt): Do not update the
17138 block-to-labels map if we are currently expanding to RTL.
17139 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17141 Handle IDENTIFIER_NODE.
17142 (tree_verify_flow_info): Do not ICE when emitting error
17143 messages about invalid labels.
17144 (dump_function_to_file): Reset CFUN before emitting the body
17146 (debug_function): New.
17147 * passes.c (init_optimization_passes): Schedule
17149 * langhooks-def.h (lhd_omp_predetermined_sharing,
17150 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17152 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17153 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17154 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17155 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17156 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17157 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17158 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17159 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17160 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17161 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17162 (LANG_HOOK_DECLS): Use them.
17164 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17165 Richard Henderson <rth@redhat.com>
17166 Jakub Jelinek <jakub@redhat.com>
17167 Diego Novillo <dnovillo@redhat.com>
17169 * c-parser.c (pragma_omp_clause): Define.
17170 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17171 (c_parser_compound_statement): Likewise.
17172 (c_parser_statement): Likewise.
17173 (c_parser_pragma): Handle omp pragmas.
17174 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17175 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17176 (c_parser_omp_clause_name, check_no_duplicate_clause,
17177 c_parser_omp_variable_list,
17178 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17179 c_parser_omp_clause_copyprivate,
17180 c_parser_omp_clause_default,
17181 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17182 c_parser_omp_clause_lastprivate,
17183 c_parser_omp_clause_nowait,
17184 c_parser_omp_clause_num_threads,
17185 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17186 c_parser_omp_clause_reduction,
17187 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17188 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17189 c_parser_omp_atomic, c_parser_omp_barrier,
17190 c_parser_omp_critical, c_parser_omp_flush,
17191 c_parser_omp_for_loop, c_parser_omp_for,
17192 c_parser_omp_master, c_parser_omp_ordered,
17193 c_parser_omp_sections_scope, c_parser_omp_sections,
17194 c_parser_omp_parallel, c_parser_omp_single,
17195 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17196 * c-pragma.c (init_pragma): Do omp pragma registration here.
17197 * c.opt (fopenmp): New flag.
17199 2006-01-18 Eric Christopher <echristo@apple.com>
17201 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17202 * config/darwin.h (GOMP_SELF_SPECS): Define.
17204 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17206 * rtl.h: Remove the prototype for reg_alloc.
17208 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17211 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17212 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17213 sjlj and dwarf2 exception handling.
17214 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17215 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17216 * pa/pa.c (function_value): Treat complex and vector types as
17218 (function_arg): Likewise. Only pass scalar floats in the floating
17219 point argument registers.
17220 * pa/t-slibgcc-dwarf-ver: New file.
17221 * pa/t-slibgcc-sjlj-ver: New file.
17222 * pa/t-slibgcc-elf-ver: Delete file.
17224 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17226 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17227 unlikely_test_section_p test.
17229 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17231 * mode-switching.c (optimize_mode_switching): Make it static.
17232 * basic-block.h: Remove the prototype for
17233 optimize_mode_switching.
17235 * modulo-sched.c (sms_schedule): Make it static.
17236 * rtl.h: Remove the prototype for sms_schedule.
17238 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17239 * rtl.h: Remove the prototype for gcse_after_reload_main.
17241 * reg-stack.c (reg_to_stack): Make it static.
17242 * rtl.h: Remove the prototype for reg_to_stack.
17244 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17246 * rtl.h: Remove the prototypes for regrename_optimize and
17247 copyprop_hardreg_forward.
17249 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17251 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17252 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17253 Test against the appropriate null constant for the mode.
17254 If 'fixup_overlap' is true, swap the operands if they overlap.
17255 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17256 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17257 alpha_split_tmode_pair and adjust for above change.
17258 * config/alpha/alpha.md (movtf_internal): Adjust call to
17259 alpha_split_tfmode_pair and rely on it to swap the operands.
17260 (movti_internal): New insn and post-reload splitter.
17261 (movti): New expander.
17263 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17265 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17268 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17270 * rtlanal.c (global_reg_mentioned_p_1,
17271 global_reg_mentioned_p): Remove.
17272 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17274 * flow.c (initialize_uninitialized_subregs): Make it static.
17275 * rtl.h: Remove the prototype for
17276 initialize_uninitialized_subregs.
17278 * function.c (instantiate_virtual_regs): Make it static.
17279 * function.h: Remove the prototype for
17280 instantiate_virtual_regs.
17282 * regmove.c (regmove_optimize, combine_stack_adjustments):
17284 * rtl.h: Remove the prototypes for regmove_optimize and
17285 combine_stack_adjustments.
17287 2006-01-17 Roger Sayle <roger@eyesopen.com>
17289 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17290 (size_cost): Encode costs in bytes so that a reg-reg addition is
17291 equivalent to COSTS_N_INSNS(1).
17292 (override_options): Use the size_cost.branch_cost as the default
17293 ix86_branch_cost when optimizing for size.
17295 2006-01-18 Ben Elliston <bje@au.ibm.com>
17297 * Makefile.in (D32PBIT_FUNCS): New.
17298 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17299 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17300 D64PBIT_FUNCS and D128PBIT_FUNCS.
17301 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17302 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17304 (decnumber_dep): Define.
17305 * doc/libgcc.texi (Decimal float library routines): New node.
17306 * config/dfp-bit.h, config/dfp-bit.c: New files.
17308 2006-01-18 Ben Elliston <bje@au.ibm.com>
17310 * expr.c (emit_move_change_mode): Always adjust addresses, not
17311 just during reload. Copy replacements only during reload.
17312 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17313 emit_move_via_integer.
17315 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17317 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17318 instead of $(srcdir) and ${srcdir}.
17320 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17323 PR middle-end/11135
17324 * arm.h (struct machine_function): Add pic_reg.
17325 * arm.c (arm_pic_register): Make unsigned.
17326 (arm_override_options): Only set arm_pic_register if
17327 TARGET_SINGLE_PIC_BASE.
17328 (use_return_insn): Only test for a pic register if it is fixed.
17329 (arm_compute_save_reg0_reg12_mask): Likewise.
17330 (thumb_compute_save_reg_mask): Likewise.
17331 (legitimate_pic_operand): Factor out some known invariants.
17332 (legitimize_pic_address): If we don't have a fixed pic register,
17333 then set up a pseudo in the function entry sequence. Handle the
17334 pic base being in a pseudo.
17335 (arm_load_pic_register): Handle the pic register being in a pseudo.
17336 (arm_expand_prologue): Only set up the pic register if it is fixed.
17337 (thumb_expand_prologue): Likewise.
17338 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17339 (pic_load_addr_based_insn): Likewise.
17340 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17343 2006-01-18 Ben Elliston <bje@au.ibm.com>
17345 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17346 decimal float modes for all floating point registers.
17348 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17349 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17351 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17354 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17355 even when the pointer is not NULL.
17357 2006-01-16 Ian Lance Taylor <ian@airs.com>
17359 * common.opt (ftoplevel-reorder): New option.
17360 * cgraph.c (cgraph_asm_nodes): New global variable.
17361 (cgraph_asm_last_node): New static variable.
17362 (cgraph_order): New global variable.
17363 (cgraph_create_node): Set new order field.
17364 (cgraph_varpool_node): Likewise.
17365 (decide_is_variable_needed): Return true if not
17366 flag_toplevel_reorder.
17367 (cgraph_add_asm_node): New function.
17368 * cgraph.h (struct cgraph_node): Add order field.
17369 (struct cgraph_varpool_node): Add order field.
17370 (struct cgraph_asm_node): Define.
17371 (cgraph_asm_nodes, cgraph_order): Declare.
17372 (cgraph_add_asm_node): Declare.
17373 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17375 (cgraph_varpool_assemble_pending_decls): Call it.
17376 (cgraph_output_pending_asms): New static function.
17377 (cgraph_finalize_compilation_unit): Call it.
17378 (struct cgraph_order_sort): Define.
17379 (cgraph_output_in_order): New static function.
17380 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17381 !flag_toplevel_reorder case.
17382 * c-parser.c: Include "cgraph.h".
17383 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17385 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17386 than -fno-unit-at-a-time.
17387 * doc/invoke.texi (Option Summary): Mention
17388 -fno-toplevel-reorder.
17389 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17390 -funit-at-a-time documentation.
17392 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17393 Kazu Hirata <kazu@codesourcery.com>
17395 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17397 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17399 * Makefile.in (FUNCTION_H): New. Use it instead of
17400 function.h throughout the file.
17401 * function.h: Include tree.h.
17403 2006-01-17 Ben Elliston <bje@au.ibm.com>
17405 * recog.c: Separate some functions with whitespace.
17407 2006-01-16 Richard Henderson <rth@redhat.com>
17409 Merge from gomp branch:
17410 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17411 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17412 and rename from struct inline_data. Rename callee* to dst*;
17413 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17414 transform_new_cfg, transform_return_to_modify, and
17415 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17417 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17418 (copy_decl_for_dup): Remove.
17419 * tree-inline.c (struct inline_data): Move to header.
17420 (insert_decl_map): Export.
17421 (remap_decl): Update for member name changes. Use copy_decl hook.
17422 Allow for replacement to be a non-decl. Remove dead code.
17423 (remap_type_1): Check for existing mapping.
17424 (remap_type): Export.
17425 (remap_decls): Update for member name changes.
17426 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17427 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17428 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17429 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17430 (tree_function_versioning, build_duplicate_type): Likewise.
17431 (copy_body_r): Likewise. Export.
17432 (copy_decl_for_dup): Split into ...
17433 (copy_decl_for_dup_finish, copy_decl_to_var,
17434 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17435 (replace_ref_tree, inlining_p): Remove.
17437 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17439 * ifcvt.c (if_convert): Make it static.
17440 * rtl.h: Remove the prototype for if_convert.
17442 * local-alloc.c (local_alloc): Make it static.
17443 * rtl.h: Remove the prototype for local_alloc.
17445 * loop.c (loop_optimize): Make it static.
17446 * cfgloop.h: Remove the prototype for loop_optimize.
17449 2006-01-16 DJ Delorie <dj@redhat.com>
17451 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17454 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17456 * pa.md: Disparage copies between general and floating-point registers
17457 in 32-bit move patterns.
17459 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17462 * Makefile.in (check-%): Depend on site.exp instead of
17463 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17466 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17468 * global.c (global_alloc): Make it static.
17469 * rtl.h: Remove the prototype for global_alloc.
17471 2006-01-16 Richard Guenther <rguenther@suse.de>
17473 * tree-ssa-alias.c (struct used_part): Add write_only field.
17474 (get_or_create_used_part_for): Initialize it to true.
17475 (create_overlap_variables_for): Don't create structure variables
17476 for structures that only are written to.
17477 (find_used_portions): Handle MODIFY_EXPR to track whether a
17478 structure is only written to.
17480 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17482 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17484 * basic-block.h: Remove the prototype for
17485 partition_hot_cold_basic_blocks.
17487 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17489 * cppspec.c (lang_specific_spec_functions): Remove.
17490 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17491 * gcc.h (lang_specific_spec_functions): Remove.
17492 * gccspec.c (lang_specific_spec_functions): Remove.
17494 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17496 * combine.c (record_value_for_reg): Invalidate registers
17498 (record_dead_and_set_regs_1): Likewise, by passing them to
17499 record_value_for_reg.
17500 (record_dead_and_set_regs): Invalidate stores made by a
17501 call. We do not combine across a call, but we still
17502 relied on equivalences.
17504 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17506 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17507 vrp_int_const_binop returning non-constant nodes.
17509 2006-01-16 Paul Brook <paul@codesourcery.com>
17511 * config/m68k/m68k.c (output_move_const_into_data_reg):
17512 Output correct mnemonic for mvz and mvs.
17514 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17516 * rtl-factoring.c: Add sequence abstraction algorithm.
17517 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17518 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17520 (block_has_preserve_label): New function.
17521 * common.opt: Register new pass.
17522 * Makefile.in: Ditto.
17524 * timevar.def: Ditto.
17525 * tree-pass.h: Ditto.
17526 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17527 * rtl.h (make_jump_insn_raw): Add forward decl.
17528 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17530 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17531 Roger Sayle <roger@eyesopen.com>
17533 * fold-const.c (fold_minmax): New static function.
17534 (fold_binary) <MIN_EXPR>: Call it.
17535 <MAX_EXPR>: Likewise.
17536 * stor-layout.c (place_field): Use DECL_SIZE consistently
17537 in the computation of the new record size.
17539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17541 * cse.c (cse_condition_code_reg): Make it static.
17542 * rtl.h: Remove the prototype for cse_condition_code_reg.
17544 * combine.c (combine_instructions): Make it static.
17545 * rtl.h: Remove the prototype for combine_instructions.
17547 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17550 * tree.c (get_file_function_name_long): Concatenate the first global
17551 object name with a string derived from the input filename of the object
17554 2006-01-16 Ben Elliston <bje@au.ibm.com>
17556 * config/i386/winnt-stubs.c: Update FSF address.
17557 * config/xtensa/ieee754-df.S: Ditto.
17558 * config/xtensa/ieee754-sf.S: Ditto.
17560 2006-01-14 Ian Lance Taylor <ian@airs.com>
17562 * ifcvt.c (noce_init_if_info): New static function, broken out of
17563 noce_process_if_block.
17564 (noce_process_if_block): Call noce_init_if_info.
17565 (check_cond_move_block): New static function.
17566 (cond_move_process_if_block): New static function.
17567 (process_if_block): Call cond_move_process_if_block.
17569 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17571 * cselib.c (hash_table): Rename to cselib_hash_table.
17572 (cselib_clear_table, discard_useless_values,
17573 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17574 cselib_init, cselib_finish): Adjust uses of hash_table.
17576 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17578 PR tree-optimization/25485
17579 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17580 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17581 is known to be false and true, respectively.
17583 2006-01-14 Richard Guenther <rguenther@suse.de>
17585 PR tree-optimization/22548
17586 PR tree-optimization/22555
17587 PR tree-optimization/22501
17588 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17589 * params.def (salias-max-array-elements): New parameter.
17590 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17591 * doc/invoke.texi (salias-max-array-elements): Document.
17592 * tree-flow-inline.h (var_can_have_subvars): We also handle
17594 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17596 * tree-ssa-structalias.c (params.h): Include.
17597 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17598 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17599 (get_constraint_for): For ADDR_EXPR operating on something
17600 containing an ARRAY_REF, add all subvars to the solution.
17601 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17602 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17603 for creating MUST_DEFs.
17604 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17606 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17608 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17610 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17611 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17612 number_of_iterations_le): New functions.
17613 (number_of_iterations_special): Removed.
17614 (number_of_iterations_exit): Do not use number_of_iterations_special.
17615 * tree.c (unsigned_type_for): Always return integer type.
17617 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17618 Richard Guenther <rguenther@suse.de>
17620 PR rtl-optimization/24257
17621 * gcse.c (find_moveable_store): Only consider a store movable
17622 when the SET_SRC of the insn can be assigned to a register.
17624 2006-01-14 Ian Lance Taylor <ian@airs.com>
17626 * tree.c (tree_not_class_check_failed): New function.
17627 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17628 (tree_not_class_check_failed): Declare.
17630 2006-01-13 Ian Lance Taylor <ian@airs.com>
17632 * reload1.c (do_output_reload): Add assertion rejecting a
17635 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17637 * combine.c (struct reg_stat): Add new fields truncation_label and
17639 (record_value_for_reg): Reset truncated_to_mode.
17640 (record_truncated_value): New function.
17641 (check_promoted_subreg): Call it. Rename to check_conversions.
17642 (combine_instructions): Rename check_promoted_subreg to
17644 (reg_truncated_to_mode): New function.
17645 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17646 (gen_lowpart_or_truncate): New function.
17647 (force_to_mode): Use it instead of gen_lowpart.
17649 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17651 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17652 VAR is a tag, not its type tag.
17654 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17656 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17657 alternatives to match style of other entries.
17658 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17660 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17662 PR tree-optimization/25771
17663 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17666 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17669 * tree-inline.c (declare_return_variable): If the return variable
17670 was marked as a non gimple complex, set the return slot variable
17671 to be a non gimple comple variable.
17673 2006-01-13 Richard Guenther <rguenther@suse.de>
17675 * builtins.c (expand_builtin_sincos): New function.
17676 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17678 (expand_builtin): Expand sincos using expand_builtin_sincos.
17680 2006-01-12 DJ Delorie <dj@redhat.com>
17682 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17683 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17684 so that constant shifts can be split.
17685 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17686 (m32c_valid_pointer_mode): Make static.
17687 (shift_gen_func_for): New.
17688 (m32c_prepare_shift): Use it. Split large const shifts into
17690 * config/m32c/predicates.md (shiftcount_operand): Allow more
17692 (longshiftcount_operand): New.
17693 * doc/md.texi (Machine Constraints): Document In6.
17695 2006-01-13 Ben Elliston <bje@au.ibm.com>
17697 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17698 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17701 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17703 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17704 to try to avoid clobbering pieces of structures when we know
17705 something about the whole structure.
17706 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17708 2006-01-13 Ben Elliston <bje@au.ibm.com>
17710 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17711 return in memory, as this is no limitation is no longer present.
17713 2006-01-12 DJ Delorie <dj@redhat.com>
17715 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17716 mova with fb, and for fb+0 -> An.
17718 * config/m32c/mov.md (peephole2): Fix enabling logic.
17720 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17721 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17722 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17723 FINI_ARRAY_SECTION_ASM_OP): Define.
17725 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17727 (m32c_legitimize_reload_address): New logic to reload FB to An.
17728 (m32c_output_reg_push): Add newline.
17729 (m32c_output_reg_pop): Likewise.
17731 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17733 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17735 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17737 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17739 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17741 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17744 2006-01-11 Ben Elliston <bje@au.ibm.com>
17746 * rtlanal.c (find_reg_note): Assert insn is not null.
17748 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17750 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17753 2006-01-11 Jeff Law <law@redhat.com>
17755 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17757 (mark_threaded_blocks, register_jump_thread): New functions.
17758 (thread_through_all_blocks): Remove unwanted argument. No
17759 longer rely on e->aux to communicate thread target info.
17760 Call mark_threaded_blocks. Release the threaded_blocks
17761 bitmap and threaded_edges vector when complete.
17762 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17763 (threaded_blocks): Remove.
17764 (tree_ssa_dominator_optimize): Remove initialization and
17765 finalization of threaded_blocks. Simplify call to
17766 thread_through_all_blocks.
17767 (thread_across_edge): Call register_jump_thread rather than
17768 storing thread information into e->aux.
17769 (free_all_edge_infos): Simplify now that e->aux is no longer
17770 used to communicate with thread_through_all_blocks.
17771 * tree-flow.h (thread_through_all_blocks): Update prototype.
17772 (register_jump_thread): Prototype.
17774 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17776 * df-core.c (df_compact_blocks, df_bb_replace): Use
17777 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17779 2006-01-11 Richard Guenther <rguenther@suse.de>
17781 PR tree-optimization/25734
17782 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17783 stop propagation after successful propagation to the LHS.
17785 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17787 * basic-block.h (control_flow_graph): Change the type of
17788 x_basic_block_info to VEC(basic_block,gc) *.
17789 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17791 (SET_BASIC_BLOCK): New.
17792 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17793 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17794 * cfgbuild.c (find_basic_blocks): Likewise.
17795 * cfglayout.c (fixup_reorder_chain): Likewise.
17796 * cfgrtl.c (create_basic_block_structure,
17797 rtl_create_basic_block): Likewise.
17798 * ifcvt.c (find_if_case_1): Likewise.
17799 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17802 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17804 * Makefile.in: Removed rotted odf.c entry.
17806 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17809 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17810 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17811 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17812 output pattern modifier, not %e.
17813 * config/cris/cris.c (cris_op_str): Update comment about pattern
17815 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17816 before falling through into...
17817 <case 'E'>: Redefined from old 'e' case.
17819 2006-01-11 Jan Hubicka <jh@suse.cz>
17822 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17824 2006-01-11 Jan Hubicka <jh@suse.cz>
17826 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17827 * i386.c (x86_decompose_lea): Kill.
17828 (ix86_rtx_costs): Kill.
17830 2006-01-11 Jan Hubicka <jh@suse.cz>
17832 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17833 * cgraph.h (cgraph_node): Add inline_decl.
17834 (cgraph_insert_node_to_hashtable): Declare.
17835 (save_inline_function_body): Declare.
17836 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17838 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17839 (cgraph_function_versioning): Update call of tree_function_versioning.
17840 (save_inline_function_body): New function.
17841 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17842 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17843 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17844 (cgraph_default_inline_p): Likewise.
17845 (cgraph_decide_inlining_incrementally): Likewise.
17846 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17847 (copy_bb): Kill saving; do updating of clones.
17848 (copy_cfg_body): Kill saving.
17849 (initialize_inlined-parameters): Likewise.
17850 (expand_call_inline): Likewise.
17852 (tree_function_versioning): New parameter "update_clones".
17853 (inlining_p): Kill saving.
17854 * tree-inline.h (tree_function_versioning): Update prototype.
17855 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17858 2006-01-11 Ian Lance Taylor <ian@airs.com>
17860 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17861 Allow undoing set of machine mode.
17862 (do_SUBST): Use enums instead of is_int.
17863 (do_SUBST_MODE): New function.
17864 (SUBST_MODE): New macro.
17865 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17866 reg and trying to replace reg_regno_rtx with a new register.
17867 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17868 (simplify_set): Use SUBST_MODE.
17869 (distribute_notes): Remove code that tried to update reg notes
17870 for regno_reg_rtx changes.
17872 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17874 PR tree-optimization/23109
17875 PR tree-optimization/23948
17876 PR tree-optimization/24123
17878 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17879 * tree-cfg.c (single_noncomplex_succ): New.
17880 * tree-flow.h (single_noncomplex_succ): Declare it.
17881 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17882 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17883 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17884 insert_bb, register_division_in, insert_reciprocals,
17885 replace_reciprocal, free_bb): New.
17886 (execute_cse_reciprocals_1): Rewritten.
17887 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17888 Do not commit any edge insertion. Always compute dominators and
17889 create the allocation pool.
17890 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17891 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17892 * targhooks.c (default_min_divistions_for_recip_mul): New.
17893 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17894 * passes.c (init_optimization_passes): Run recip after tree loop
17896 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17898 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17899 Kenneth Zadeck <zadeck@naturalbridge.com>
17901 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17902 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17903 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17904 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17905 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17906 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17907 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17908 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17909 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17910 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17911 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17912 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17913 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17914 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17915 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17916 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17917 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17918 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17919 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17920 DF_SCAN_POST_ALLOC): New macros.
17921 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17922 df_free_bb_function, df_local_compute_function, df_init_function,
17923 df_dataflow_function, df_confluence_function_0,
17924 df_confluence_function_n, df_transfer_function,
17925 df_finalizer_function, df_free_function, df_dump_problem_function,
17926 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17927 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17928 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17929 df_urec_bb_info, ) New types.
17930 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17932 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17933 df_analyze_simple_change_some_blocks,
17934 df_analyze_simple_change_one_block, df_compact_blocks,
17935 df_bb_replace, df_bb_regno_last_use_find,
17936 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17937 df_insn_regno_def_p, df_find_def, df_find_use,
17938 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17939 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17940 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17941 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17942 debug_df_chain, df_get_dependent_problem, df_chain_create,
17943 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17944 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17945 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17946 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17947 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17948 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17949 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17950 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17951 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17952 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17953 df_reorganize_refs, df_set_state, df_hard_reg_init,
17954 df_read_modify_subreg_p) New public functions.
17955 * df-core.c: The core dataflow solver and glue routines for rtl
17957 (df_init, df_add_problem, df_set_blocks, df_finish,
17958 df_hybrid_search_forward, df_hybrid_search_backward,
17959 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17960 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17961 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17962 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17963 df_reg_defined, df_find_use, df_reg_used, df_dump,
17964 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17965 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17966 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17967 debug_df_useno, reset_df_after_reload): New functions.
17968 * df-scan.c: The scanning fuctions, once in df.c, completely
17969 rewritten so that they now fully model the functionality of
17970 register usage at the backend.
17971 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17972 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17973 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17974 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17975 df_get_artificial_defs, df_get_artificial_uses,
17976 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17977 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17978 df_refs_delete, df_reorganize_refs, df_set_state,
17979 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17980 df_def_record_1, df_defs_record, df_uses_record,
17981 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17982 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17983 df_record_exit_block_uses, df_hard_reg_init): New functions.
17985 * df-problems.c: Seven concrete dataflow problems that use the
17986 scanning in df-scan.c and are solved by the engine in df-core.c.
17987 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17988 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17989 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17990 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17991 df_ru_free_bb_info, df_ru_alloc,
17992 df_ru_bb_local_compute_process_def,
17993 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17994 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17995 df_ru_transfer_function, df_ru_free, df_ru_dump,
17996 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17997 df_rd_free_bb_info, df_rd_alloc,
17998 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17999 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18000 df_rd_transfer_function, df_rd_free, df_rd_dump,
18001 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18002 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18003 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18004 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18005 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18006 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18007 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18008 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18009 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18010 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18011 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18012 df_urec_mark_reg_use_for_earlyclobber,
18013 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18014 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18015 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18016 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18017 df_chain_create_bb_process_use, df_chain_create_bb,
18018 df_chain_finalize, df_chain_free, df_chains_dump,
18019 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18020 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18021 df_reg_lifetime): New functions.
18022 * df.c: Deleted file.
18023 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18024 consistent with new df api.
18025 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18026 rest_of_handle_sms): Ditto.
18027 * web.c (unionfind_union, union_defs, entry_register, web_main):
18029 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18030 invariant_expr_equal_p, find_defs, check_dependencies,
18031 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18032 free_inv_motion_data, move_loop_invariants): Ditto.
18033 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18034 Update dependencies.
18035 (odf.c): Added defective entry that was deleted later in day.
18036 * sched-deps.c (sched_analyze_1): Ditto.
18038 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18040 * tree-ssa-operands.c (get_expr_operands): Record addressable
18041 variables directly. Do not call add_stmt_operands for CONST_DECLs
18043 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18044 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18046 2006-01-11 Ben Elliston <bje@au.ibm.com>
18048 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18049 function returns true in the positive case.
18051 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18054 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18055 for SI, DI, SF and DF modes. Add alternatives to copy between
18056 general and floating point registers to the 32-bit patterns.
18057 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18058 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18059 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18060 generating 64-bit code.
18061 * config/pa/pa.c (output_move_double): Handle copies between general
18062 and floating registers.
18064 2006-01-10 Stuart Hastings <stuart@apple.com>
18066 * config/i386/i386.md (set_got): Update.
18067 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18068 (builtin_setjmp_receiver): Mach-O support.
18069 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18070 (GOT_SYMBOL_NAME): Define.
18071 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18072 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18073 * config/i386/i386.c (override_options): Revise for Darwin.
18074 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18075 support. (darwin_x86_file_end): New. (output_set_got): Add label
18076 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18077 * config/i386/i386-protos.h (output_set_got): Likewise.
18078 * config/darwin.c (machopic_legitimize_pic_address): Update
18081 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18083 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18084 when MODE isn't BLKmode.
18086 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18088 PR rtl-optimization/25367
18089 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18091 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18094 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18095 for a negative bound.
18097 2006-01-10 Richard Guenther <rguenther@suse.de>
18099 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18100 Never override with anything constraint.
18102 2006-01-10 Jan Beulich <jbeulich@novell.com>
18104 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18105 256 bits when optimize_size.
18107 2006-01-10 Jan Beulich <jbeulich@novell.com>
18109 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18111 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18112 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18115 2006-01-10 Ben Elliston <bje@au.ibm.com>
18117 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18119 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18120 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18121 (USE_FP_FOR_ARG): Reject decimal float modes.
18122 (function_arg_advance): Likewise.
18123 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18124 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18125 point types in AltiVec vectors.
18126 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18127 (rs6000_libcall_value): Likewise.
18129 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18131 * config/xtensa/ieee754-df.S: New file.
18132 * config/xtensa/ieee754-sf.S: New file.
18133 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18134 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18135 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18137 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18139 * config/sh/predicates.md (binary_float_operator,
18140 binary_logical_operator, commutative_float_operator,
18141 equality_comparison_operator, greater_comparison_operator,
18142 less_comparison_operator, logical_operator,
18143 noncommutative_float_operator, shift_operator,
18144 symbol_ref_operand, unary_float_operator): Remove redundant
18147 2006-01-09 Jeff Law <law@redhat.com>
18149 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18150 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18151 now unused arguments. Callers updated.
18152 (eliminate_redundant_computations): Remove now unused arguments,
18154 (local_fold): Remove, no longer used.
18155 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18157 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18158 (simplify_cond): New function.
18159 (forward_propagate_into_cond): Call simplify_cond.
18161 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18163 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18164 (*vec_extractv2di_1_sse): New.
18166 2006-01-09 Ben Elliston <bje@au.ibm.com>
18168 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18170 2006-01-08 Richard Guenther <rguenther@suse.de>
18172 * tree-ssa-structalias.c (get_constraint_for): Remove
18173 anyoffset argument.
18174 (get_constraint_for_component_ref): Likewise.
18175 (do_deref): Likewise.
18176 (get_constraint_for): Likewise.
18177 (do_structure_copy): Likewise.
18178 (handle_ptr_arith): Likewise.
18179 (find_func_aliases): Likewise. Remove unused need_anyoffset
18182 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18183 Kaz Kojima <kkojima@gcc.gnu.org>
18185 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18186 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18187 (EXTRA_CONSTRAINT_C16): Remove.
18188 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18189 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18190 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18191 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18192 constants of SHmedia. Handle nested constant expressions of
18194 (andcosts): Fix the costs for SHmedia constants.
18195 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18196 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18197 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18198 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18199 (movv4hi_i, movv2si_i): Likewise.
18200 (movsi_const): Adjust the second operand of ior so to match with
18201 the Csu constraint.
18202 (movdi_const, movdi_const_32bit): Likewise.
18203 (movdi_const_16bit+1): Don't sign-extend LOW.
18204 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18206 (*double_shori): Fix the split condition. Use GEN_INT instead
18207 of get_int_mode calls. Mask lower 16-bit of the argument of
18209 (sym2GOTPLT): Remove.
18210 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18212 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18213 instead of EXTRA_CONSTRAINT_C16.
18215 2006-01-07 Ian Lance Taylor <ian@airs.com>
18216 David Edelsohn <edelsohn@gnu.org>
18218 PR rtl-optimization/25662
18219 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18220 for constant operands instead of simplify_gen_binary.
18221 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18222 after trying simplify_binary_operation
18224 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18226 * tree.c (iterative_hash_expr): Hash decls based on UID.
18228 2006-01-06 Eric Christopher <echristo@apple.com>
18230 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18231 (TARGET_UNWIND_EMIT): Fix spelling.
18232 * target.h (gcc_target): Add except_table_label.
18233 * except.c (output_function_exception_table): Use.
18234 * varasm.c (default_emit_except_table_label): New.
18235 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18237 (asm_out): Add here.
18238 * output.h (default_emit_except_table_label): Prototype.
18239 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18240 * config/darwin.c (darwin_emit_except_table_label): Define.
18241 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18243 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18245 PR tree-optimization/18527
18246 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18247 number_of_iterations_special, number_of_iterations_exit):
18248 Move base and step of an iv to a single structure. Add
18249 no_overflow flag, and use it in # of iterations analysis.
18250 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18251 folded_casts argument.
18252 (simple_iv): Pass base and step in a structure. Set no_overflow
18254 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18255 Evaluate expensiveness of computing # of iterations instead of
18256 the final expression.
18257 * tree-scalar-evolution.h (affine_iv): New structure.
18258 (simple_iv): Declaration changed.
18259 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18260 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18261 find_givs_in_stmt): Changed due to simple_iv change.
18263 2006-01-06 Jeff Law <law@redhat.com>
18266 * tree-cfg.c (bsi_replace): Rename final argument from
18267 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18268 change (stmt -> orig_stmt).
18269 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18270 (bsi_remove): Add new argument. Remove EH information
18272 (verify_eh_throw_table_statements): New function.
18273 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18275 * tree-optimize.c (execute_free_cfg_annotations): Verify
18276 the EH throw statement table after removing annotations.
18277 * except.h (verify_eh_throw_table_statements): Prototype.
18278 * tree-flow.h (bsi_remove): Update prototype.
18279 * tree-vrp.c (remove_range_assertions): Add new argument to
18281 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18282 * tree-complex.c (expand_complex_div_wide): Likewise.
18283 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18284 * tree-tailcall.c (eliminate_tailcall): Likewise.
18285 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18286 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18287 * tree-nrv.c (tree_nrv): Likewise.
18288 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18289 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18290 (combine_blocks): Likewise.
18291 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18292 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18293 (cleanup_control_flow): Likewise.
18294 (remove_forwarder_block): Likewise.
18295 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18296 * tree-sra.c (sra_replace): Likewise.
18297 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18298 (forward_propagate_single_use_vars): Likewise.
18299 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18300 * tree-inline.c (expand_call_inline): Likewise.
18301 * tree-vect-transform.c (vect_transform_loop): Likewise.
18302 * tree-outof-ssa.c (rewrite_trees): Likewise.
18303 * tree-cfg.c (make_goto_expr_edges): Likewise.
18304 (cleanup_dead_labels): Likewise.
18305 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18306 (bsi_move_before, bsi_move_after): Likewise.
18307 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18308 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18310 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18313 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18315 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18316 on non gimple variables. Also add checks at the top for decls and
18318 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18320 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18321 and IMAGPART_EXPR for creating MUST_DEFs.
18322 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18323 and NAME_MEMORY_TAG separately from the DECLs.
18325 2006-01-06 Richard Guenther <rguenther@suse.de>
18327 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18328 annotation, if necessary.
18329 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18330 redundant calls to update_stmt.
18331 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18334 2006-01-05 Richard Henderson <rth@redhat.com>
18336 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18338 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18340 * c-typeck.c: Update copyright date.
18342 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18344 * c-typeck.c (build_c_cast): Always warn when casting
18345 from a pointer to an integer of different size, even if
18346 the node was constant.
18348 2006-01-05 Richard Guenther <rguenther@suse.de>
18350 PR tree-optimization/22555
18351 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18352 if one structure field is an array.
18353 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18354 operands even if we found a subvar, but ignore VOPs in this
18356 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18358 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18360 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18362 PR middle-end/24998
18363 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18365 2006-01-05 Richard Guenther <rguenther@suse.de>
18366 Diego Novillo <dnovillo@redhat.com>
18368 * tree-pass.h (TODO_remove_unused_locals): Define.
18369 * gimple-low.c (expand_var_p, remove_useless_vars,
18370 pass_remove_useless_vars): Remove. Update all users.
18371 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18372 (remove_unused_locals): New function.
18373 * tree-flow.h (remove_unused_locals): Declare.
18374 * passes.c (execute_todo): Call remove_unused_locals if
18375 TODO_remove_unused_locals is set.
18376 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18377 * tree-ssa-dce.c (pass_dce): Likewise.
18378 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18380 2006-01-05 Richard Guenther <rguenther@suse.de>
18382 * tree-flow.h (struct fieldoff): Decompose field to
18383 type, size and decl.
18384 * tree-ssa-alias.c (create_sft): Take type as parameter.
18385 (create_overlap_variables_for): Store type, size and decl
18386 in the fieldoff structure.
18387 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18388 of struct fieldoff.
18389 (push_fields_onto_fieldstack): Likewise.
18390 (create_variable_info_for): Likewise. Use offset for the
18391 SFT name if the decl is not available.
18393 2006-01-04 Paul Brook <paul@codesourcery.com>
18395 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18397 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18399 * lambda-code.c (can_put_in_inner_loop): Relax
18401 (can_put_after_inner_loop): New function.
18402 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18403 (perfect_nestify): Change to make copies and modify uses.
18405 2006-01-04 Richard Henderson <rth@redhat.com>
18407 Merge from gomp branch:
18408 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18409 via integer constant.
18410 (pragma_lex): Remove.
18411 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18412 rather than parsing it.
18413 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18414 handle_pragma_extern_prefix): Add %< %> quotes.
18415 (registered_pragmas): New.
18416 (c_register_pragma_1): New.
18417 (c_register_pragma): Use it.
18418 (c_register_pragma_with_expansion): Likewise.
18419 (c_invoke_pragma_handler): New.
18420 (init_pragma): Use cpp_register_deferred_pragma directly for
18422 * c-pragma.h (enum pragma_kind): New.
18423 (pragma_handler): New.
18424 (c_invoke_pragma_handler): Declare.
18425 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18427 * c-common.h (c_common_pch_pragma): Update decl.
18428 * Makefile.in (c-parser.o): Update dependencies.
18429 (GTFILES): Add c-pragma.h.
18430 * c-parser.c (struct c_token): Add pragma_kind.
18431 (struct c_parser): Add in_pragma.
18432 (c_lex_one_token): Always initialize keyword and pragma_kind.
18433 Extract data for CPP_PRAGMA.
18434 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18435 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18436 Don't allow CPP_PRAGMA_EOL if in_pragma.
18437 (c_parser_consume_pragma): New.
18438 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18439 (c_parser_skip_to_end_of_parameter): Likewise.
18440 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18441 (c_parser_skip_to_pragma_eol): New.
18442 (c_parser_external_declaration): Handle CPP_PRAGMA.
18443 (c_parser_compound_statement_nostart): Likewise.
18444 (c_parser_statement_after_labels): Likewise.
18445 (c_parser_pragma): New.
18446 (pragma_lex): Likewise.
18447 (c_parser_pragma_pch_preprocess): New.
18448 (c_parser_new): Merge into ...
18449 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18451 2006-01-04 Jeff Law <law@redhat.com>
18454 * tree-cfg.c (bsi_replace): Remove the original statement
18455 from the EH throw statement table.
18457 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18459 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18460 make the prototype extern "C" and add throw ().
18463 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18464 and pos non-negative and pos + len <= 32.
18465 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18466 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18467 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18470 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18471 as well as sizes not multiple of component size.
18474 * function.c (instantiate_expr): New function.
18475 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18476 walk its DECL_VALUE_EXPR with instantiate_expr.
18478 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18479 DW_OP_deref{,_size} if address isn't going to be added.
18481 2006-01-04 Ben Elliston <bje@au.ibm.com>
18483 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18484 * config/fp-bit.c: Likewise.
18486 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18488 * dominance.c: Add comment about why we use DFS numbering
18491 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18492 Richard Henderson <rth@redhat.com>
18494 Merge from gomp-branch:
18495 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18496 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18498 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18500 PR rtl-optimization/25578
18501 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18502 pass a parameter to simplify_shift_const if changing ASHIFTRT
18505 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18507 * builtins.c (get_builtin_sync_mem): New function.
18508 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18509 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18510 Call get_builtin_sync_mem to generate mem rtx.
18512 2006-01-03 Richard Guenther <rguenther@suse.de>
18515 * stmt.c (add_case_node): Make sure to clear overflow flags
18518 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18520 Merge from gomp-branch.
18521 * config/sparc/sync.md: New file.
18522 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18523 UNSPECV_LDSTUB): New constants.
18524 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18525 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18526 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18529 2006-01-03 Roger Sayle <roger@eyesopen.com>
18531 * combine.c (reg_subword_p): New predicate to test whether the
18532 destination of a set refers to a subword/piece of a register.
18533 (try_combine): Generalize the code to merge the setting of a
18534 pseudo to a constant followed by a set of a subword of that
18535 register to a constant.
18537 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18539 * basic-block.h (control_flow_graph): Change the type of
18540 x_label_to_block_map to VEC(basic_block,gc) *.
18541 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18542 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18544 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18545 VEC(basic_block,heap) *.
18546 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18547 ssa_prop_fini): Adjust the uses of cfg_blocks.
18549 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18551 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18553 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18554 hashing trees instead of a pointer hash.
18555 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18556 compare for MEM_EXPR.
18558 PR rtl-optimization/25130
18559 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18560 when comparing MEMs for GCSE
18562 2006-01-03 Ben Elliston <bje@au.ibm.com>
18564 * targhooks.h (default_decimal_float_supported_p): Declare.
18565 * targhooks.c (default_decimal_float_supported_p): Define.
18566 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18567 `default_decimal_float_supported_p'.
18568 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18570 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18572 * combine.c (apply_distributive_law <SUBREG>): Check
18573 TRULY_NOOP_TRUNCATION.
18575 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18577 * dwarf2out.c (have_switched_text_section): Delete.
18578 (have_multiple_function_sections): New.
18579 (have_location_lists): Make 'bool'.
18580 (add_AT_loc_list): Use 'true' not '1'.
18581 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18582 (output_loc_list): Use have_multiple_function_sections.
18583 (output_ranges): Likewise.
18584 (dwarf2out_begin_function): Set have_multiple_function_sections if
18586 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18587 Check function_section rather than DECL_SECTION_NAME.
18588 (dwarf2out_finish): Use have_multiple_function_sections.
18589 Don't clear have_location_lists.
18591 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18592 Jan Hubicka <jh@suse.cz>
18594 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18595 case of conditional jump jumping to the next instruction.
18596 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18597 cases of conditional jump jumping to the next instruction.
18599 2006-01-02 Jan Hubicka <jh@suse.cz>
18601 * i386.c (*_cost): Add COSTS_N_INSNS.
18602 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18604 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18607 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18609 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18611 * config/arm/arm.c (all_fpus): Fix comment typo.
18612 * config/darwin.c: Likewise.
18613 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18614 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18615 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18617 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18619 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18620 (rs6000_split_compare_and_swapqhi): New.
18621 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18622 (sync_compare_and_swapqhi_internal): New.
18623 * config/rs6000/rs6000-protos.h: Declare.