1 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
6 2006-11-15 Paul Brook <paul@codesourcery.com>
8 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
9 _Unwind_GetTextRelBase): Move from here ...
10 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
11 _Unwind_GetTextRelBase): ... To here.
13 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
15 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
16 addresses we generate for testing are aligned.
18 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
21 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
22 to what is the const decl is a place holder for.
24 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
26 * config/i386/i386.opt: New target option -mx87regparm.
28 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
29 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
30 (X87_REGPARM_MAX): Define.
32 * config/i386/i386.c (override_options): Error out for
33 -mx87regparm but no 80387 support.
34 (ix86_attribute_table): Add x87regparm.
35 (ix86_handle_cconv_attribute): Update comments for x87regparm.
36 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
37 (ix86_function_x87regparm): New function.
38 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
40 (init_cumulative_args): Initialize x87_nregs and float_in_x87
42 (function_arg_advance): Process x87_nregs and x87_regno when
43 floating point argument is to be passed in 80387 register.
44 (function_arg): Pass XFmode arguments in 80387 registers for local
45 functions. Pass SFmode and DFmode arguments to local functions
46 in 80387 registers when flag_unsafe_math_optimizations is set.
48 * reg-stack.c (convert_regs_entry): Disable NaN load for
49 stack registers that are used for argument passing.
51 * doc/extend.texi: Document x87regparm function attribute.
52 * doc/invoke.texi: Document -mx87regparm.
54 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
56 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
57 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
58 arg MODE; all callers changed. Use it to determine validity per
59 machine mode instead of using Pmode for all memory references.
60 (get_address_cost): Likewise add and use new arg MEM_MODE.
62 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
63 J"orn Rennecke <joern.rennecke@st.com>
65 * combine.c (likely_spilled_retval_1): Fix masking operation.
66 (likely_spilled_retval_p): Use proper pattern for call to
67 likely_spilled_retval_1.
69 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
71 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
73 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
74 that tests for CONSTANT_POOL_ADDRESS_P.
76 2006-11-15 Jakub Jelinek <jakub@redhat.com>
78 PR tree-optimization/29581
79 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
80 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
81 type is different between Y and USE, create a temporary
82 variable, initialize it at the beginning of the body bb
83 and use it as replacement instead of Y.
85 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
88 * gimplify.c (fold_indirect_ref_rhs): Use
89 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
91 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
93 * expmed.c (emit_store_flag_1): New function.
94 (emit_store_flag): Call it. If we can't find a suitable scc insn,
96 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
97 Use do_compare_rtx_and_jump.
98 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
99 * arm.md (cstoresi4): New define_expand.
100 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
101 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
102 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
104 2006-11-14 Caroline Tice <ctice@apple.com>
106 * dwarf2out.c (debug_pubtypes_section): New static global variable.
107 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
109 (pubname_table): Redefine as a vector.
110 (pubtype_table): New static global variable, defined as a vector.
111 (pubname_table_allocated): Remove static global variable.
112 (pubname_table_in_use): Remove static global variable.
113 (PUBNAME_TABLE_INCREMENT): Remove constant.
114 (size_of_pubnames): Add parameter to deal with either pubnames or
115 pubtypes, and change code to deal with table being a vector.
116 (add_pubname): Change to deal with table being a vector.
117 (add_pubtype): New function.
118 (output_pubnames): Add parameter to deal with either pubnames or
119 pubtypes, and change code to deal with table being a vector.
120 (gen_array_type_die): Add call to add_pubtype.
121 (gen_enumeration_type_die): Add call to add_pubtype.
122 (gen_struct_or_union_type_die): Add call to add_pubtype.
123 (gen_subroutine_type_die): Add call to add_pubtype.
124 (gen_typedef_die): Add call to add_pubtype.
125 (dwarf2out_init): Add code to initialize pubname_table and
126 pubtype_table vectors; also initialize debug_pubtypes_section.
127 (prune_unused_types): Change to deal with pubnames being a vector.
128 (dwarf2out_finish): Change to deal with pubnames being a vector; add
129 pubnames table to call to output_pubnames; Add code to output pubtypes
130 table if DEBUG_PUBTYPES_SECTION is defined.
131 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
133 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
135 2006-11-14 Joseph Myers <joseph@codesourcery.com>
137 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
138 iwmmxt_nregs if TARGET_IWMMXT_ABI.
139 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
140 movv2si_internal): Support moves between core registers.
142 2006-11-14 Eric Christopher <echristo@apple.com>
144 * configure: Regenerate with autoconf 2.59.
146 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
148 Fix PR tree-optimization/27755
150 * tree-ssa-pre.c: Update comments.
151 (bb_bitmap_sets): Add pa_in and deferred member.
152 (BB_DEFERRED): New macro.
153 (maximal_set): New variable.
154 (pre_stats): Add pa_insert member.
155 (bitmap_set_and): Short circuit orig == dest.
156 (bitmap_set_subtract_values): New function.
157 (bitmap_set_contains_expr): Ditto.
158 (translate_vuses_through_block): Add phiblock argument.
159 (dependent_clean): New function.
160 (compute_antic_aux): Update for maximal_set changes.
161 (compute_partial_antic_aux): New function.
162 (compute_antic): Handle partial anticipation.
163 (do_partial_partial_insertion): New function.
164 (insert_aux): Handle partial anticipation.
165 (add_to_sets): Add to maximal set.
166 (compute_avail): Ditto.
167 (init_pre): Initialize maximal_set.
168 (execute_pre): Do partial anticipation if -O3+.
170 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
172 PR rtl-optimization/29798
174 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
175 TARGET_INSN before any other check.
176 (fwprop_init): Always calculate dominators.
177 (fwprop_done): Always free them.
179 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
181 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
184 2006-11-13 DJ Delorie <dj@redhat.com>
186 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
187 temporary for intermediates.
189 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
191 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
192 (sh_optimize_target_register_callee_saved): #if 0 the code
193 using NOTE_INSN_LOOP_{BEG,END}.
195 2006-11-13 Roger Sayle <roger@eyesopen.com>
197 * fold-const.c (optimize_bit_field_compare): Recursively call
198 fold when simplifying non-constant comparisons between bit-fields.
200 2006-11-13 Jakub Jelinek <jakub@redhat.com>
202 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
204 * configure: Rebuilt.
206 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
208 * config/rs6000/cell.md: New file.
209 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
211 (ppccell_cost): New cost matrix.
212 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
213 (rs6000_override_options): Set rs6000_always_hint to false
214 for cell. Also align functions/lables/loops to 8byte
215 for the Cell. Use PROCESSOR_CELL.
216 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
218 (rs6000_variable_issue): If the insn is a nonpipelined instruction
219 on the Cell, return 0.
220 (rs6000_adjust_cost): Add Cell cost adjustments.
221 (is_microcoded_insn): Return true for Cell microcoded
223 (is_nonpipeline_insn): New function.
224 (rs6000_issue_rate): Add PROCESSOR_CELL.
225 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
227 (rs6000_use_sched_lookahead_guard): New function.
228 (rs6000_sched_reorder): Reorder the ready list, if the second
229 to last ready insn is a nonepipeline insn on the Cell.
230 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
231 (ASM_CPU_SPEC): Add Cell.
232 * config/rs6000/rs6000.md (cpu): Add Cell.
233 (cell_micro): New Attr.
236 2006-11-13 Jakub Jelinek <jakub@redhat.com>
238 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
240 * configure: Rebuilt.
242 2006-11-13 Richard Guenther <rguenther@suse.de>
244 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
246 (ix86_expand_lfloorceil): Likewise.
247 (ix86_expand_rint): Likewise.
248 (ix86_expand_floorceildf_32): Likewise.
249 (ix86_expand_floorceil): Likewise.
250 (ix86_expand_rounddf_32): Likewise.
251 (ix86_expand_truncdf_32): Likewise.
252 (ix86_expand_round): Likewise.
254 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
255 Mark Mitchell <mark@codesourcery.com>
257 * gcc.c: Organize search path variables into $prefix relative,
258 and well-known native. Add comments.
259 (add_sysrooted_prefix): Add comment.
260 (process_command): If !gcc_exec_prefix add $prefix based paths.
261 If *cross_compile == '0', add native well-known paths.
262 Assert tooldir_base_prefix is always relative.
263 (main): If print_search_dirs, and if gcc_exec_prefix is set,
264 use this value for 'install:' path.
265 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
267 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
269 * config/i386/i386.c: Fix a typo in comment.
271 2006-11-13 Michael Matz <matz@suse.de>
273 * genemit.c (gen_expand): Allocate enough memory.
275 2006-11-13 Joseph Myers <joseph@codesourcery.com>
277 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
278 __GXX_TYPEINFO_EQUALITY_INLINE but not
279 __GXX_MERGED_TYPEINFO_NAMES.
280 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
281 __GXX_MERGED_TYPEINFO_NAMES.
282 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
283 __GXX_TYPEINFO_EQUALITY_INLINE.
285 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
286 Zdenek Dvorak <dvorakz@suse.cz>
288 PR tree-optimization/29680
289 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
292 2006-11-12 Jason Merrill <jason@redhat.com>
293 Andrew Pinski <pinskia@physics.uc.edu>
296 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
298 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
300 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
301 * tree.c (build_vector): Handle non-_CST elements.
303 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
305 * genemit.c (gen_insn): Call gen_exp with a non-null used
306 when handling multiple insns.
307 (gen_expand): Likewise.
308 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
309 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
310 (movsi_const_16bit+1): Copy operands[1].
311 (call_pcrel): Copy the call_site pattern.
312 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
314 2006-11-12 Roger Sayle <roger@eyesopen.com>
316 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
317 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
318 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
319 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
321 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
323 Fix PR tree-optimization/29587
324 * tree-ssa-structalias.c (process_constraint): Don't
325 mark address taken due only to escaped vars constraint.
327 2006-11-12 Michael Matz <matz@suse.de>
328 Roger Sayle <roger@eyesopen.com>
330 PR rtl-optimization/29797
331 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
332 BITS_BIG_ENDIAN targets.
334 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * builtins.c (fold_builtin_cosh): New.
337 (fold_builtin_1): Use it.
338 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
339 trunc to the list of "odd" functions. Also add llrint, lrint,
340 rint and nearbyint when flag_rounding_math is false.
342 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
344 * tree-flow.h (name_mappings_registered_p): Declare.
345 * tree-into-ssa.c (name_mappings_registered_p): New function.
346 * tree-cfg.c (tree_can_merge_blocks_p): Check
347 name_mappings_registered_p instead of need_ssa_update_p.
349 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
351 * tree-ssa-loop.c (tree_vectorize): Return the result of
353 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
355 * tree-vectorizer.h (vectorize_loops): Declaration removed.
356 * tree-flow.h (vectorize_loops): Declaration changed.
358 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
360 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
362 (issue_prefetch_ref): Move assignment to write_p out of loop.
363 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
364 SIMULTANEOUS_PREFETCHES into account.
365 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
366 * lambda-code.c (lcm): Renamed to ...
367 (least_common_multiple): ... and exported.
368 * tree-flow.h (least_common_multiple): Declare.
370 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
372 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
373 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
374 ud-chains. Handle AND_EXPR.
375 (record_estimate): Record whether the estimate is realistic
376 and whether it is derived from a loop exit.
377 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
378 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
380 (compute_estimated_nb_iterations): Take only realistic bounds into
381 account. Set estimate_state. Use double_ints.
382 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
383 and infer_loop_bounds_from_signedness. Do not consider basic blocks
384 that do not have to be always executed.
385 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
386 to determine whether to call infer_loop_bounds_from_undefined
387 and compute_estimated_nb_iterations.
388 (n_of_executions_at_most): Use double_ints.
389 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
390 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
391 * double-int.c (double_int_to_tree): Improve comment.
392 (double_int_fits_to_tree_p): New function.
393 * double-int.h (double_int_fits_to_tree_p): Declare.
394 * tree-data-ref.c: Include langhooks.h.
395 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
396 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
397 (analyze_array): Do not pass estimate_only argument to
398 analyze_array_indexes.
399 (get_number_of_iters_for_loop): Build tree from the stored double_int
401 (get_references_in_stmt, find_data_references_in_stmt): New functions.
402 (find_data_references_in_loop): Use find_data_references_in_stmt.
403 * tree-data-ref.h (struct data_ref_loc_d): New.
404 (get_references_in_stmt): Declare.
405 (estimate_iters_using_array): Declaration removed.
406 * cfgloop.h (struct nb_iter_bound): Change type of bound to
407 double_int. Improve comments. Add is_exit and realistic
409 (struct loop): Changed type of estimated_nb_iterations to double_int.
410 Added estimate_state field.
411 (record_estimate): Declaration removed.
413 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
415 * params.c (set_param_value): Initialize the "set" field.
416 * params.h (struct param_info): Add "set" field.
417 (PARAM_SET_P): New macro.
418 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
419 L1_CACHE_LINE_SIZE): New macros.
420 * toplev.c (DEFPARAM): Initialize the "set" field.
421 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
422 SIMULTANEOUS_PREFETCHES): Removed.
423 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
424 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
425 * config/sparc/sparc.c: Include params.h.
426 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
427 L1_CACHE_LINE_SIZE parameters.
428 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
430 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
432 * config/i386/i386.c: Include params.h.
433 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
434 (override_options): Set SIMULTANEOUS_PREFETCHES and
435 L1_CACHE_LINE_SIZE parameters.
436 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
437 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
438 L1_CACHE_LINE_SIZE parameters.
439 * config/ia64/ia64.c (ia64_optimization_options): Set
440 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
441 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
443 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
444 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
445 * doc/invoke.texi: Document new params.
447 2006-11-12 Roger Sayle <roger@eyesopen.com>
449 PR tree-optimization/13827
450 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
453 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
455 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
456 update_single_exit_for_duplicated_loops): New functions.
457 (duplicate_loop_to_header_edge): Use
458 update_single_exit_for_duplicated_loops.
459 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
460 functions only with ENABLE_CHECKING.
462 2006-11-12 Andreas Schwab <schwab@suse.de>
464 * except.c (sjlj_emit_function_enter): Remove unused variable.
466 2006-11-11 Roger Sayle <roger@eyesopen.com>
468 * fold-const.c (int_binop_types_match_p): New function.
469 (size_binop): Relax constraint that both arguments must both have
470 exactly the same sizetype type. Instead use int_binop_types_match_p.
471 (size_diffop): Likewise.
473 (make_range): Use build_int_cst instead of fold_convert.
474 (fold_cond_expr_with_comparison): Use build_int_cst to construct
475 integer constants of the correct type.
476 (fold_div_compare): Likewise.
477 (fold_single_bit_test): Likewise.
478 (fold_binary): Likewise.
479 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
480 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
482 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
485 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
486 non null value if the struct memory access is in the 0th
489 2006-11-12 Jie Zhang <jie.zhang@analog.com>
492 2006-11-11 Jie Zhang <jie.zhang@analog.com>
493 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
496 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
497 instead of builtin_define for bfin and BFIN.
499 2006-11-11 Jie Zhang <jie.zhang@analog.com>
501 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
504 2006-11-11 Jan Hubicka <jh@suse.cz>
506 * extended.texi (__builtin_expect): We no longer require second argument
508 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
509 * builtins.c (expand_builtin_expect): Simplify.
510 (expand_builtin_expect_jump): Kill.
511 * final.c (final_scan_insn): Do not skip the removed notes.
512 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
513 EXPECTED_VALUE): Remove.
514 * dojump.c (do_jump): Do not care about __builtin_expect.
515 * predict.c (expected_value_to_br_prob): Kill.
516 * function.c (expand_function_end): Do not expand
517 NOTE_INSN_REPEATED_LINE_NUMBER.
518 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
519 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
520 * cfgexpand.c (add_reg_br_prob_note): Export.
521 * cfgcleanup.c (rest_of_handle_jump2): Do not call
522 expected_value_to_br_prob.
523 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
524 * rtl.h (add_reg_br_prob_note): Declare.
526 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
528 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
530 2006-11-11 Jan Hubicka <jh@suse.cz>
532 * predict.c (predict_loops): Kill RTL variant.
534 2006-11-11 Jan Hubicka <jh@suse.cz>
536 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
537 * modulo-sched.c (find_line_note): Remove.
538 (loop_canon_p): Do not worry about line number notes.
539 (sms_schedule): Likewise.
540 * cse.c (cse_main): Likewise.
541 * regmove.c (fixup_match_1): Likewise
542 * function.c (emit_return_info_block): Likewise.
543 (expand_function_end): Likewise.
544 (thread_prologue_an_epilogue_insns): Likewise.
545 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
547 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
548 emit_note_copy_after): Kill.
549 (emit_note_copy): Do not worry about line numbers.
550 * jump.c (purge_line_number_notes): Kill.
551 (pass_purge_lineno_notes): Kill.
552 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
554 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
555 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
556 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
557 * tree-pass.h (pass_purge_lineno_notes): Kill.
558 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
559 rm_redundant_line_notes.
560 * sched-rgb.c (schedule_region): Don't rm_line_notes,
561 rm_redundant_line_notes.
562 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
563 * haifa-sched.c: Update comment about handling notes.
564 (unlink_line_notes): Kill.
565 (rm_line_notes): Kill.
566 (save_line_notes): Simplify.
567 (rm_redundant_line_notes): Kill.
569 2006-11-11 Richard Guenther <rguenther@suse.de>
571 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
572 Remove unused tree codes.
573 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
574 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
575 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
576 * tree.c (stabilize_reference): Likewise.
577 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
578 fold_unary): Likewise.
579 * tree-gimple.c (is_gimple_cast): Likewise.
580 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
581 * expr.c (expand_expr_real_1): Likewise.
582 * tree-eh.c (tree_could_trap_p): Likewise.
583 * gimplify.c (gimplify_expr): Likewise.
584 * tree-inline.c (estimate_num_insns_1): Likewise.
585 * tree-cfg.c (verify_expr): Likewise.
587 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
589 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
590 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
591 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
593 2006-11-11 Richard Sandiford <richard@codesourcery.com>
596 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
597 constraints accept neither registers or memories.
599 2006-11-11 Jie Zhang <jie.zhang@analog.com>
601 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
602 (NO_PROFILE_COUNTERS): Define as 1.
604 2006-11-10 Roger Sayle <roger@eyesopen.com>
606 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
607 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
609 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
611 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
613 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
616 (fold_builtin_hypot): Likewise.
617 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
619 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
621 2006-11-10 Roger Sayle <roger@eyesopen.com>
623 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
624 when attempting to build INTEGER_CSTs of non-integral types.
625 * expmed.c (make_tree): Use the correct type, i.e. the inner
626 type, when constructing the individual elements of a CONST_VECTOR.
628 2006-11-10 Jan Hubicka <jh@suse.cz>
630 * cse.c (cse_process_notes): Copy the propagated value.
631 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
633 * gcse.c (try_replace_reg): Copy the replacement.
634 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
635 (assign_386_stack_local): Always return copied memory expression
636 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
639 2006-11-10 Jan Hubicka <jh@suse.cz>
641 * final.c (final): Walk from first instruction.
642 * cfglayout.c (insn_locators_initialize): Remove line number notes.
644 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
647 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
649 (umulv8hi3_highpart): Ditto.
650 (vec_widen_smult_hi_v8hi): New expander.
651 (vec_widen_smult_lo_v8hi): Ditto.
653 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
656 * builtins.c (do_mpfr_arg3): New.
657 (fold_builtin_1): Handle builtins fma, fmin and fmax.
659 2006-11-09 Eric Christopher <echristo@apple.com>
664 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
665 * config.gcc (powerpc64-*-darwin*): New target.
666 * config.host: Ditto.
667 * config/rs6000/darwin64.h: New file.
668 * config/rs6000/x-darwin64: Ditto.
669 * config/rs6000/host-ppc64-darwin.c: Ditto.
671 2006-11-09 Steve Ellcey <sje@cup.hp.com>
673 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
674 routines for integer division.
676 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
678 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
680 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
683 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
685 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
687 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
688 simplify_subreg with BLKmode outer mode.
690 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
692 * doc/invoke.texi: Minor formatting fixes in option lists.
694 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
696 PR tree-optimization/29738
697 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
698 (ccp_lattice_t): Remove UNKNOWN_VAL.
699 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
700 Do not handle UNKNOWN_VAL.
701 (get_default_value): Set initial value of virtual operands to
703 (get_value): Always use get_default_value on uninitialized
705 (set_value_varying, surely_varying_stmt_p): New functions.
706 (set_lattice_value): Do not pass argument to get_value.
707 Do not handle UNKNOWN_VAL.
708 (likely_value): Follow the semantics described in the comment.
709 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
710 phi nodes DONT_SIMULATE_AGAIN.
711 (ccp_fold): Do not pass argument to get_value.
712 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
715 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
717 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
718 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
720 2006-11-08 Roger Sayle <roger@eyesopen.com>
722 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
723 test for inclusion rather than as a test for exclusion.
724 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
725 the condition after calling fold_binary.
726 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
727 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
728 * builtins.c (fold_builtin_isascii): Likewise.
729 (fold_builtin_isdigit): Likewise.
731 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
733 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
734 * configure: Regenerate.
736 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
738 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
739 enum argument instead of bool.
740 (vect_analyze_operations): Call vectorizable_type_promotion.
741 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
742 stmt_vec_info_type value.
743 (supportable_widening_operation, vectorizable_type_promotion): New
744 function declarations.
745 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
746 (vectorizable_type_promotion): New function.
747 (vect_transform_stmt): Call vectorizable_type_promotion.
748 * tree-vect-analyze.c (supportable_widening_operation): New function.
749 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
751 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
754 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
755 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
756 * tree-inline.c (estimate_num_insns_1): Add cases for above new
758 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
759 * expr.c (expand_expr_real_1): Likewise.
760 * optabs.c (optab_for_tree_code): Likewise.
761 (init_optabs): Initialize new optabs.
762 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
763 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
764 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
765 vec_unpacku_lo_optab): Initialize new optabs.
766 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
767 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
768 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
770 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
771 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
772 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
773 (vec_unpacku_lo_optab): New optabs.
774 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
775 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
776 (vec_widen_smult_hi, vec_widen_smult_lo): New.
777 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
778 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
779 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
781 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
782 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
783 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
784 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
785 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
786 implement the unsigned unpacking patterns.
787 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
788 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
789 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
790 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
791 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
792 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
793 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
794 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
795 multiplication patterns.
797 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
798 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
799 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
800 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
801 (rs6000_builtin_mul_widen_odd): New.
802 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
803 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
804 * tree-vectorizer.h (enum vect_relevant): New enum type.
805 (_stmt_vec_info): Field relevant chaned from bool to enum
807 (STMT_VINFO_RELEVANT_P): Updated.
808 (STMT_VINFO_RELEVANT): New.
809 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
810 instead of STMT_VINFO_RELEVANT_P.
811 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
812 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
813 and boolean variable with enum vect_relevant.
814 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
815 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
816 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
818 2006-11-08 Richard Henderson <rth@redhat.com>
820 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
821 vec_widen_umult_lo_v8hi): New.
822 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
823 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
825 * config/i386/i386.c (ix86_expand_sse_unpack): New.
826 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
827 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
828 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
829 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
830 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
831 vec_unpacks_lo_v4si): New.
833 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
835 * tree-vect-transform.c (vectorizable_type_demotion): New function.
836 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
837 (vect_analyze_operations): Call vectorizable_type_demotion.
838 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
839 stmt_vec_info_type value.
840 (vectorizable_type_demotion): New function declaration.
841 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
844 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
845 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
847 * tree-iniline.c (estimate_num_insns_1): Likewise.
848 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
849 * optabs.c (optab_for_tree_code): Likewise.
851 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
852 compared against the predicate of the result is not 'mode' (the input
853 to the function) but a mode with half the size of 'mode'.
854 (init_optab): Initialize new optabs.
855 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
857 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
859 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
860 (vec_pack_usat_optab): Initialize new optabs.
861 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
862 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
864 2006-11-08 Richard Henderson <rth@redehat.com>
866 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
867 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
868 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
869 (vec_interleave_highv4si, vec_interleave_lowv4si):
870 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
872 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
874 * tree-vect-transform.c (vectorizable_reduction): Support multiple
876 (vect_transform_stmt): Removed redundant code.
878 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
880 * tree-vect-transform.c (vectorizable_operation): Support multiple
883 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
885 * tree-vect-transform.c (vect_align_data_ref): Removed.
886 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
887 Updated function documentation. Return the increment stmt in ptr_incr.
888 (bump_vector_ptr): New function.
889 (vect_get_vec_def_for_stmt_copy): New function.
890 (vect_finish_stmt_generation): Create a stmt_info to newly created
892 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
894 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
895 VF is greater than the number of elements that can fit in one vector
897 (vectorizable_operation, vectorizable_condition): Likewise.
898 (vectorizable_store, vectorizable_load): Support the case that the VF
899 is greater than the number of elements that can fit in one vector word.
900 (vect_transform_loop): Don't fail in case of multiple data-types.
901 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
902 in case of multiple data-types; the smallest type determines the VF.
903 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
904 if they are of different sizes.
905 (vect_update_misalignment_for_peel): Compare misalignments in terms of
906 number of elements rather than number of bytes.
907 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
908 (vect_can_advance_ivs_p): Fix a dump printout
910 2006-11-07 Eric Christopher <echristo@apple.com>
912 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
914 * libgcc2.h: Remove transformation of bswap routines.
915 * config/i386/i386.md (bswapsi2): New.
918 2006-11-07 Jakub Jelinek <jakub@redhat.com>
920 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
921 (handle_gnu_inline_attribute): New function.
922 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
923 (merge_decls, start_decl, start_function): Likewise.
924 * doc/extend.texi: Document gnu_inline attribute.
926 2006-11-07 Steve Ellcey <sje@cup.hp.com>
929 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
930 _fixunstfdi, and _floatditf
932 2006-11-06 Anatoly Sokolov <aesok@post.ru>
934 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
936 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
937 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
938 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
939 which start in an odd register.
941 2006-11-07 Richard Sandiford <richard@codesourcery.com>
943 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
945 2006-11-07 Josh Conner <jconner@apple.com>
947 * doc/invoke.texi (fstrict-aliasing): Move implementation
949 * doc/tree-ssa.texi (Alias analysis): ...here.
951 2006-11-07 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/29610
954 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
955 of tree_purge_dead_eh_edges as it may free dominators.
957 * g++.dg/other/pr29610.C: New testcase.
959 2006-11-07 David Ung <davidu@mips.com>
961 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
962 costs when optimizing for size.
963 (override_options): Use mips_rtx_cost_optimize_size table for cost
966 2006-11-07 Jie Zhang <jie.zhang@analog.com>
968 * gcc.c (process_command): Treat -b as normal switch if its argument
971 2006-11-07 David Ung <davidu@mips.com>
973 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
976 2006-11-06 Eric Christopher <echristo@apple.com>
978 * config.gcc: Add x86_64-darwin host support.
979 * config.host: Ditto.
980 * config/i386/darwin64.h: New file.
981 * config/i386/t-darwin64: Ditto.
983 2006-11-06 Janis Johnson <janis187@us.ibm.com>
985 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
986 and output-exists-not.
988 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
991 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
992 checking for overflow.
994 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
996 * configure.ac: Fixed typo in case statement: :: changed to ;;
998 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1000 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1001 count_leading_zeros, and count_trailing_zeros.
1002 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1003 (TARGET_FOLD_BUILTIN): Define.
1004 (TARGET_EXPAND_BUILTIN): Define.
1005 (xtensa_init_builtins): New.
1006 (xtensa_fold_builtin): New.
1007 (xtensa_expand_builtin): New.
1008 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1009 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1010 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1011 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1012 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1013 (any_extend): New code macro.
1014 (u, su): New code attributes.
1015 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1016 (nsau): Remove; replaced by clzsi2.
1017 (ffssi2): Use clzsi2.
1018 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1019 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1020 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1021 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1022 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1024 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1026 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1028 * config/arm/t-strongarm-elf: Likewise.
1029 * config/arm/t-pe: Likewise.
1030 * config/arm/t-arm-elf: Likewise.
1031 * config/arm/t-xscale-elf: Likewise.
1032 * config/arm/t-arm-coff: Likewise.
1033 * config/arm/t-xscale-coff: Likewise.
1034 * config/arm/t-wince-pe: Likewise.
1036 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1038 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1041 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1044 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1047 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1050 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1051 as a valid 80387 constant.
1052 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1053 * config/i386/i386.md (unnamed splitter): Split the load of
1054 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1057 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1059 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1060 from the soft-frame, argument and virtual registers.
1062 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1064 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1065 patterns for standard 80387 constants.
1067 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1068 Steven Bosscher <steven@gcc.gnu.org>
1070 * fwprop.c: New file.
1071 * Makefile.in: Add fwprop.o.
1072 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1073 * passes.c (init_optimization_passes): Schedule forward propagation.
1074 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1076 * timevar.def (TV_FWPROP): New.
1077 * common.opt (-fforward-propagate): New.
1078 * opts.c (decode_options): Enable forward propagation at -O2.
1079 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1080 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1081 canon_for_address, table_size): Remove.
1082 (new_basic_block, insert, remove_from_table): Remove references to
1084 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1085 simplification loop more straightforward by not calling fold_rtx
1087 (equiv_constant): Move here a small part of fold_rtx_subreg,
1088 do not call fold_rtx. Call avoid_constant_pool_reference
1090 * recog.h (canonicalize_change_group): New.
1092 * doc/invoke.texi (Optimization Options): Document fwprop.
1093 * doc/passes.texi (RTL passes): Document fwprop.
1095 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1097 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1098 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1099 (grokdeclarator): Likewise.
1101 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1103 * tree-dump.c (dump_enable_all): Rename local variable
1104 ir_type to avoid name conflicts.
1105 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1106 instead of using ir_type().
1107 * profile.c (tree_register_profile_hooks): Likewise.
1108 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1109 * basic-block.h (struct edge_def): Likewise.
1110 * config/arm/arm.c (legitimize_pic_address): Likewise.
1111 * coretypes.h (ir_type): New enum of all intermediate languages
1113 * cfghooks.c (ir_type): Rename to...
1114 (current_ir_type): ...this. Distinguish between cfgrtl and
1115 cfglayout mode when the current IR is RTL. Return enum ir_type.
1116 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1118 2006-11-03 Paul Brook <paul@codesourcery.com>
1120 * config/arm/arm.c (arm_file_start): New function.
1121 (TARGET_ASM_FILE_START): Define.
1122 (arm_default_cpu): New variable.
1123 (arm_override_options): Set arm_default_cpu.
1125 2006-11-03 David Ung <davidu@mips.com>
1127 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1128 PROCESSOR_24KC and PROCESSOR_24KF.
1129 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1130 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1131 (mips_rtx_cost_data): Add costs for the 24kc.
1132 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1133 * config/mips/24k.md: Remove references to 24k and replace with
1134 uses of 24kc/24kf in the appropriate reservations.
1135 * doc/invoke.texi (MIPS Options): Updated.
1137 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1139 * config/sh/crt1.asm: Fix #ifdef indent.
1141 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1142 Merged from STMicroelectronics sources:
1143 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1144 * config/sh/crt1.asm (vbr_600): Add missing #if.
1145 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1146 * sh.opt (mfused-madd): New option.
1147 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1148 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1149 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1150 Remove pointless handler at VBR+0.
1151 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1152 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1153 fr7. Make sure the timer handler is called with the correct FPU
1154 precision setting, according to the ABI.
1155 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1156 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1157 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1158 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1159 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1160 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1161 zero as second operand.
1162 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1163 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1164 Fixed some bugs related to negative values, in particular -0
1165 and overflow at -0x80000000.
1166 * config/sh/divcost-analysis: Added sh4-300 figures.
1167 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1168 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1169 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1170 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1171 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1172 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1174 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1176 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1177 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1178 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1179 mac_mem, mem_mac, dfp_mul, fp_cmp.
1180 (insn_class, dfp_comp, any_fp_comp): Update.
1181 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1182 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1183 (muldf3_i): Likewise.
1184 (movsi_i): Split rI08 alternative into two separate alternatives.
1186 (movsi_ie, movsi_i_lowpart): Likewise.
1187 (movqi_i): Split ri alternative into two separate alternatives.
1189 * sh1.md (sh1_load_store, sh1_fp): Update.
1190 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1191 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1192 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1193 (sh4a_fp_double_arith): Likewise.
1194 * sh4-300.md: New file.
1195 * sh.c (sh_handle_option): Handle m4-300* options.
1196 (sh_adjust_cost): Fix latency of auto-increments.
1197 Handle SH4-300 differently than other SH4s. Check for new insn types.
1198 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1199 been set by an option.
1200 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1201 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1202 (mbranch-cost=): Likewise.
1203 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1205 * sh.md (mulsf3): Remove special expansion code.
1206 (mulsf3_ie): Now a define_insn_and_split.
1207 (macsf3): Allow for TARGET_SH4.
1209 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1210 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1211 (expand_cbranchdi4): Likewise.
1212 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1213 CONST_DOUBLE if the outer code is COMPARE.
1214 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1215 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1216 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1217 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1218 Remove redundant fp_{zero,one}_operand checks.
1219 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1220 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1221 (expand_cbranchdi4): Likewise.
1222 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1223 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1225 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1227 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1230 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1232 * doc/invoke.texi: Fix mfp-trap-mode typo.
1234 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1236 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1237 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1238 file_end_indicate_exec_stack.
1239 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1241 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1242 for a non-executable stack.
1243 * crti.asm: Likewise.
1244 * crtn.asm: Likewise.
1245 * libunwind.S: Likewise.
1247 2006-11-02 Ben Elliston <bje@au.ibm.com>
1249 * tree-ssa.c (warn_uninit): Use expand_location variables for
1250 locus and declaration locus.
1252 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1255 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1256 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1257 cmp{eq,gt,gtu}{si,di}_media.
1258 (*cmpne0si_media): Remove.
1259 (*movsicc_umin): Adjust gen_cmp*_media call.
1260 (unordered): Change the mode of unordered and operands[1] to
1262 (seq): Adjust gen_cmp*_media calls. Make the mode of
1263 a temporary result of compare SImode if needed. If the mode
1264 of operands[0] is DImode, extend the temporary result to DImode.
1265 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1266 (sunorderd): Change the mode of match_operand and unorderd to
1268 (cmpeq{sf,df}_media): Remove.
1269 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1270 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1271 and compare operation to SImode.
1273 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1275 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1277 (sparc64-sun-solaris2*): Likewise.
1279 2006-11-02 Paul Brook <paul@codesourcery.com>
1281 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1282 from priority argument. Use different section for non-default
1284 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1286 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1289 * except.c (switch_to_exception_section): Do not cache the section
1290 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1291 and flag_function_sections is set.
1293 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1296 * builtins.c (do_mpfr_sincos): New.
1297 (fold_builtin_1): Use it to fold builtin sincos.
1299 2006-11-01 Roger Sayle <roger@eyesopen.com>
1301 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1302 it into -D_REENTRANT.
1304 2006-11-01 Roger Sayle <roger@eyesopen.com>
1306 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1307 whether the assembler supports taking the difference of symbols in
1308 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1309 * configure: Regenerate.
1310 * config.in: Regenerate.
1311 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1312 the assembler doesn't support taking the difference of symbols in
1313 different sections, i.e. we're using the native solaris assembler.
1315 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1316 Peter Bergner <bergner@vnet.ibm.com>
1318 * doc/invoke.texi: Add cpu_type power6x
1319 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1320 * config.gcc: Add cpu_type power6x.
1321 * configure.ac: Add test for mf{t,f}gpr instructions.
1322 (HAVE_AS_MFPGPR): New.
1323 * config.in: Regenerate.
1324 * configure: Regenerate.
1325 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1326 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1327 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1328 and mftgpr attributes.
1329 (define_attr "cpu"): Add power6.
1330 Change instruction sequences to use new attributes.
1331 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1332 (fix_truncdfsi2_mfpgpr): New.
1333 (floatsidf_ppc64_mfpgpr): New.
1334 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1335 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1336 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1337 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1338 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1339 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1340 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1341 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1342 cntlz,exts and var_delayed_compare.
1343 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1344 _ARCH_PWR6X, if features enabled.
1345 * config/rs6000/rs6000.opt (mmfpgpr): New.
1346 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1347 (cached_can_issue_more): New variable.
1348 (processor_costs): Add power6_cost.
1349 (rs6000_sched_init): New function.
1350 (is_dispatch_slot_restricted): Deleted.
1351 (set_to_load_agen): New function.
1352 (is_load_insn,is_store_insn): New functions.
1353 (adjacent_mem_locations): New function.
1354 (insn_must_be_first_in_group): New function.
1355 (insn_must_be_last_in_group): New function.
1356 (rs6000_sched_reorder): New function.
1357 (rs6000_sched_reorder2): New function.
1358 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1359 TARGET_SCHED_REORDER2): Define.
1360 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1361 Add power6x. Add MASK_MFPGPR for power6x.
1362 (POWERPC_MASKS): Add MASK_MFPGPR.
1363 (rs6000_override_options): Set rs6000_always_hint to false
1364 for power6. Set rs6000_align_branch_targets. Replace
1365 rs6000_sched_groups check with rs6000_align_branch_targets.
1366 Use PROCESSOR_POWER6.
1367 (last_scheduled_insn): New variable.
1368 (load_store_pendulum): New variable.
1369 (rs6000_variable_issue): Set last_scheduled_insn and
1370 cached_can_issue_more.
1371 (rs6000_adjust_cost): Add power6 cost adjustments.
1372 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1373 with insn_must_be_first_in_group. Add power6 priority adjustments.
1374 (rs6000_issue_rate): Add CPU_POWER6.
1375 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1376 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1377 (TARGET_MFPGPR): New.
1378 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1379 (ASM_CPU_SPEC): Add power6x.
1380 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1382 * config/rs6000/power6.md: New file.
1384 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1386 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1387 HOST_WIDE_INT_PRINT to print high and low parts. Use
1388 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1389 printing a hexadecimal number prefix it with 0x.
1391 2006-11-01 Chris Johns <chris@contemporary.net.au>
1394 * Makefile.in (install-driver): Use exeext when installing
1395 $target-gcc-$version.
1397 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1399 * c-common.c (flag_cpp0x): New.
1400 * c-common.h (flag_cpp0x): New.
1401 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1402 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1403 * c-opts.c (set_std_cxx0x): New.
1404 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1405 * c.opt (std=c++0x): Document.
1406 (std=gnu++0x): Ditto.
1407 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1408 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1410 2006-11-01 Richard Guenther <rguenther@suse.de>
1412 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1414 (ix86_expand_floorceildf_32): Likewise.
1415 (ix86_expand_floorceil): Likewise.
1416 (ix86_expand_trunc): Likewise.
1418 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1420 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1423 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1425 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1427 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1429 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1431 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1432 * configure.ac (use_cxa_atexit): As a special case, don't test
1433 for libc definition of __cxa_atexit on mingw32
1434 * configure: Regenerate.
1435 * config.gcc (i[34567]86-pc-mingw32): Default to
1436 enable__cxa_atexit=yes.
1438 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1440 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1442 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1445 * c-decl.c (start_struct): Don't create self-containing
1447 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1449 * config/rs6000/rs6000-protos.h
1450 (darwin_rs6000_special_round_type_align): New.
1451 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1452 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1454 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1456 * toplev.c (compile_file): Call final_write_globals
1457 even if there have been errors.
1459 2006-10-31 Eric Christopher <echristo@apple.com>
1460 Falk Hueffner <falk@debian.org>
1462 * doc/extend.texi (__builtin_bswap32): Document.
1463 (__builtin_bswap64): Ditto.
1464 * doc/libgcc.texi (bswapsi2): Document.
1466 * doc/rtl.texi (bswap): Document.
1467 * optabs.c (expand_unop): Don't widen a bswap.
1468 (init_optabs): Init bswap. Set libfuncs explicitly
1469 for bswapsi2 and bswapdi2.
1470 * optabs.h (OTI_bswap): New.
1471 (bswap_optab): Ditto.
1472 * genopinit.c (optabs): Handle bswap_optab.
1473 * tree.h (tree_index): Add TI_UINT32_TYPE and
1475 (uint32_type_node): New.
1476 (uint64_type_node): Ditto.
1477 * tree.c (build_common_tree_nodes_2): Initialize
1478 uint32_type_node and uint64_type_node.
1479 * builtins.c (expand_builtin_bswap): New.
1480 (expand_builtin): Call.
1481 (fold_builtin_bswap): New.
1482 (fold_builtin_1): Call.
1483 * fold-const.c (tree_expr_nonnegative_p): Return true
1485 * builtin-types.def (BT_UINT32): New.
1487 (BT_FN_UINT32_UINT32): Ditto.
1488 (BT_FN_UINT64_UINT64): Ditto.
1489 * builtins.def (BUILT_IN_BSWAP32): New.
1490 (BUILT_IN_BSWAP64): Ditto.
1491 * rtl.def (BSWAP): New.
1492 * genattrtab.c (check_attr_value): New.
1493 * libgcc2.c (__bswapSI2): New.
1494 (__bswapDI2): Ditto.
1495 * libgcc2.h (__bswapSI2): Declare.
1496 (__bswapDI2): Ditto.
1497 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1498 * simplify-rtx.c (simplify_const_unary_operation): Return
1500 * libgcc-std.ver (__bwapsi2): Add.
1501 (__bswapdi2): Ditto.
1502 * reload1.c (eliminate_regs_1): Add bswap.
1503 (elimination_effects): Ditto.
1504 * config/i386/i386.h (x86_bswap): New.
1505 (TARGET_BSWAP): Use.
1506 * config/i386/i386.c (x86_bswap): Set.
1508 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1510 * coverage.c (coverage_checksum_string): Update comment.
1511 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1512 of get_file_function_name.
1513 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1514 of get_file_function_name_long.
1515 * tree.c (get_file_function_name): Rename from
1516 get_file_function_name_long; improve comment; handle 'I' and 'D'
1517 specially when the target has ctor/dtor support; remove special
1519 (get_file_function_name): Remove.
1520 * tree.h (get_file_function_name): Rename from
1521 get_file_function_name_long.
1522 (get_file_function_name): Remove prototype.
1524 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1526 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1527 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1529 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1530 Call dsymutil when compiling and linking one or more source files
1533 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1536 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1538 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1540 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1541 inline static functions in c99 mode.
1544 * doc/extend.texi (Inline): Update.
1545 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1546 * c-decl.c (current_extern_inline): Delete.
1547 (pop_scope): Adjust test for an undefined nested function.
1548 Add warning about undeclared inline function.
1549 (diagnose_mismatched_decls): Update comments. Disallow overriding
1550 of inline functions in a translation unit in C99. Allow inline
1551 declarations in C99 at any time.
1552 (merge_decls): Boolize variables. Handle C99 'extern inline'
1554 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1555 C99 inline semantics.
1556 (start_function): Don't clear current_extern_inline. Don't set
1558 (c_push_function_context): Don't push current_extern_inline.
1559 (c_pop_function_context): Don't restore current_extern_inline.
1562 * c-typeck.c (build_external_ref): Warn about static variables
1563 used in extern inline functions.
1564 * c-decl.c (start_decl): Warn about static variables declared
1565 in extern inline functions.
1567 2006-10-31 Roger Sayle <roger@eyesopen.com>
1570 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1571 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1572 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1573 or y is an even integer.
1575 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1578 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1579 * gthr-posix95.h (__gthread_active_p): Likewise.
1581 2006-10-31 Richard Guenther <rguenther@suse.de>
1583 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1584 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1585 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1586 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1587 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1588 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1589 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1590 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1593 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1595 * opts.c (decode_options): Disable CSE skip blocks.
1597 2006-10-30 Dirk Mueller <dmueller@suse.de>
1599 * c-common.h (strict_aliasing_warning): Fix whitespace.
1600 * c-decl (start_function): Move code for main decl warning ..
1601 * c-common.c (check_main_parameter_types): .. here.
1602 * c-common.h (check_main_parameter_types): Declare.
1604 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1609 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1611 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1612 be a PARALLEL containing sets. Return false when out_pat is not
1615 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1617 * config/mips/mips.md (mul<mode>3): Split into...
1618 (mulsi3, muldi3): ...these separate patterns.
1620 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1622 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1623 but with each set of options separated by spaces.
1625 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1627 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1628 dwarf_reg_size_table has been initialized.
1630 2006-10-30 Roger Sayle <roger@eyesopen.com>
1632 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1633 * ddg.c (print_ddg_edge): Likewise.
1634 * dwarf2out.c (prune_unused_types_walk): Likewise.
1635 * ifcvt.c (noce_try_cmove_arith): Likewise.
1636 * langhooks.c (add_builtin_function): Likewise.
1637 * reg-stack.c (subst_stack_regs_pat): Likewise.
1638 * tree.c (expanded_location): Likewise.
1639 * tree-dump.c (dequeue_and_dump): Likewise.
1641 2006-10-30 David Daney <ddaney@avtrex.com>
1643 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1645 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1647 PR tree-optimization/29637
1648 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1649 of the innertype is the innertype itself.
1651 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1653 * dwarf2out.c (file_name_acquire): Correct typo.
1655 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1657 * tree.h (tree_value_handle): Remove struct value_set declaration.
1658 Change value_set to bitmap_set.
1659 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1660 * tree-vn.c (get_value_handle): Made inline and moved to
1662 * tree-flow-inline.h: (has_stmt_ann): New function.
1663 * tree-ssa-pre.c (expressions): New variable.
1664 (next_expression_id): Ditto.
1665 (alloc_expression_id): New function.
1666 (struct value_set): Remove.
1667 (get_expression_id): New function.
1668 (get_or_alloc_expression_id): Ditto.
1669 (expression_for_id): Ditto.
1670 (clear_expression_ids): Ditto.
1671 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1672 (bb_value_sets): Renamed to bb_bitmap_sets.
1673 All value sets replaced with bitmap_sets.
1675 (BB_VISITED): New macro.
1676 (postorder): New variable.
1677 (add_to_value): Removed.
1678 (value_exists_in_set_bitmap): Ditto.
1679 (value_insert_into_set_bitmap): Ditto.
1682 (set_remove): Ditto.
1683 (set_contains_value): Ditto.
1684 (insert_into_set): Ditto.
1686 (find_leader): Ditto.
1687 (bitmap_set_subtract_from_value_set): Ditto.
1688 (value_insert_into_set): Ditto.
1689 (print_value_set): Ditto.
1690 (debug_value_set): Ditto.
1691 (constant_expr_p): New function.
1692 (bitmap_remove_from_set): Ditto.
1693 (bitmap_insert_into_set): Ditto.
1694 (bitmap_set_free): Ditto.
1695 (vh_compare): Ditto.
1696 (sorted_array_from_bitmap_set): Ditto.
1697 (bitmap_set_subtract): Ditto.
1698 (bitmap_set_equal): Ditto.
1699 (debug_bitmap_set): Ditto.
1700 (find_leader_in_sets): Ditto.
1701 (bitmap_set_replace_value): Modify for bitmapped sets.
1702 (phi_translate): Ditto.
1703 (phi_translate_set): Ditto.
1704 (bitmap_find_leader): Ditto.
1705 (valid_in_sets): Ditto.
1706 (union_contains_value): Ditto.
1708 (compute_antic_aux): Ditto. Mark changed blocks.
1709 (compute_antic): Ditto. Iterate in postorder and only over
1711 (compute_rvuse_and_antic_safe): Reuse postorder.
1712 (create_component_ref_by_pieces): Modify for bitmapped sets.
1713 (find_or_generate_expression): Ditto.
1714 (create_expression_by_pieces): Ditto.
1715 (insert_into_preds_of_block): Ditto.
1716 (changed_blocks): New variable.
1717 (do_regular_insertion): Broken out from insert_aux.
1718 (insert_aux): Modified for bitmapped sets.
1719 (find_existing_value_expr): New function.
1720 (create_value_expr_from): Use it.
1721 (insert_extra_phis): Removed.
1722 (print_bitmap_set): Renamed from bitmap_print_value_set.
1723 (compute_avail): Handle RETURN_EXPR.
1724 (init_pre): Modify for bitmapped sets.
1725 * tree-flow.h (has_stmt_ann): New function.
1727 2006-10-29 Roger Sayle <roger@eyesopen.com>
1729 * builtins.c (fold_builtin_floor): Check for the availability of
1730 the C99 trunc function before transforming floor into trunc.
1732 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1734 * builtins.c (fold_builtin_hypot): Rearrange recursive
1735 transformation before others, and also do ABS_EXPR. When
1736 necessary, check flag_unsafe_math_optimizations. When necessary,
1739 2006-10-29 Roger Sayle <roger@eyesopen.com>
1741 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1742 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1743 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1744 Fold -X eq/ne -Y as X eq/ne Y.
1746 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1748 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1749 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1750 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1751 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1752 Use an inclusive test for "mult" rather than "mul".
1753 (rotr<mode>3): Depend on ISA_HAS_ROR.
1754 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1756 (GENERATE_MULT3_DI): Delete.
1757 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1758 (ISA_HAS_MUL3): New macro.
1759 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1760 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1761 (ISA_HAS_CLZ_CLO): Likewise.
1762 (ISA_HAS_DCLZ_DCLO): Delete.
1763 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1764 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1765 the VR4120 and VR4130.
1766 (ISA_HAS_MACCHI): Use consistent formatting.
1767 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1768 (ISA_HAS_ROR): ...this new macro.
1769 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1770 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1771 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1773 2006-10-29 Roger Sayle <roger@eyesopen.com>
1775 PR tree-optimization/15458
1776 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1779 2006-10-29 Richard Guenther <rguenther@suse.de>
1781 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1782 (ix86_expand_truncdf_32): Likewise.
1783 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1784 trunc inline for SSE math and -fno-trapping-math and if not
1785 optimizing for size.
1786 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1787 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1788 for expanding btrunc inline for SSE math.
1790 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1792 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1793 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1794 i[34567]86-*-solaris2.1[0-9]*.
1795 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1796 Define conditionally depending on TARGET_64BIT_DEFAULT.
1797 (SPEC_32, SPEC_64): Define.
1798 (LINK_SPEC): Use them.
1799 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1801 2006-10-29 Richard Guenther <rguenther@suse.de>
1803 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1804 (ix86_expand_rounddf_32): Likewise.
1805 * config/i386/i386.c (ix86_expand_round): New function expanding
1806 round inline for SSE math and -fno-trapping-math and if not
1807 optimizing for size.
1808 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1809 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1810 round via ix86_expand_round.
1812 2006-10-29 Richard Guenther <rguenther@suse.de>
1814 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1815 (ix86_expand_floorceildf_32): Likewise.
1816 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1817 static helper function.
1818 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1820 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1821 * config/i386/i386.md (floordf2): Adjust to enable floor
1822 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1823 -fno-trapping-math is enabled and if not optimizing for size.
1824 (floorsf2, ceildf2, ceilsf2): Likewise.
1825 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1826 (sse2_maskcmpdf3): Likewise.
1828 2006-10-29 Richard Guenther <rguenther@suse.de>
1830 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1831 rint in case -fno-trapping-math is enabled.
1832 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1833 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1834 (ix86_expand_sse_fabs): Likewise.
1835 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1836 * config/i386/i386.md (rintdf2): Enable for SSE math if
1837 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1838 (rintsf2): Likewise.
1840 2006-10-29 Richard Guenther <rguenther@suse.de>
1842 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1843 to conversion optabs.
1844 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1845 as conversion optab.
1846 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1847 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1848 (lfloor_optab, lceil_optab): Adjust defines.
1849 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1850 lfloor and lceil optabs now being conversion optabs.
1851 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1852 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1853 New static helper function.
1854 (ix86_expand_lfloorceil): New function to expand lfloor and
1856 * config/i386/i386.md (lfloor<mode>2): Split into ...
1857 (lfloorxf<mode>2): ... x87 variant
1858 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1859 using ix86_expand_lfloorceil.
1860 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1862 * doc/md.texi (lfloorMN, lceilMN): Document.
1864 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1866 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1867 -mno-shared assembler option on mips targets.
1868 * configure, config.in: Regenerate.
1869 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1870 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1871 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1873 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1875 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1876 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1878 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1880 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1881 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1884 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1887 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1888 (fold_builtin_pow): Evaluate constant arguments at compile-time
1890 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1891 (do_mpfr_ckconv): New helper function.
1892 (do_mpfr_arg1): Use do_mpfr_ckconv.
1893 (do_mpfr_arg2): New.
1895 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1898 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1899 (-fdump-rtl-sched): Rename to ..
1900 (-fdump-rtl-sched1): here. Also fix file extension number.
1902 2006-10-28 Richard Guenther <rguenther@suse.de>
1904 * fold-const.c (maybe_canonicalize_comparison): Fix code
1907 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1909 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1910 (NON_QI_REG_P): Use IN_RANGE.
1911 (REX_INT_REGNO_P): Use IN_RANGE.
1912 (FP_REGNO_P): Use IN_RANGE.
1913 (SSE_REGNO_P): Use IN_RANGE.
1914 (REX_SSE_REGNO_P): Use IN_RANGE.
1915 (MMX_REGNO_P): Use IN_RANGE.
1916 (STACK_REGNO_P): New macro.
1917 (STACK_REG_P): Use STACK_REGNO_P.
1918 (NON_STACK_REG_P): Use STACK_REGNO_P.
1919 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1920 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1921 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1922 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1923 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1925 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1927 * except.h (output_function_exception_table): Add 'const char*' param.
1928 * except.c (switch_to_exception_section): Add 'const char*' param.
1929 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1930 and flag_function_sections is set, use a function-specific section.
1931 (output_function_exception_table): Add 'const char*' param.
1932 Adjust call to switch_to_exception_section.
1933 * final.c (rest_of_handle_final): Adjust calls to
1934 output_function_exception_table.
1935 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1936 * config.in: Regenerate.
1937 * configure: Likewise.
1939 2006-10-28 Richard Guenther <rguenther@suse.de>
1942 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1943 for maybe_canonicalize_comparison.
1944 (maybe_canonicalize_comparison): New function for canonicalizing
1946 (fold_comparison): Call it to canonicalize comparisons with
1949 2006-10-28 Richard Guenther <rguenther@suse.de>
1952 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1953 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1954 (expand_builtin): Adjust likewise.
1955 * genopinit.c (optabs[]): Add lround optab.
1956 * optabs.c (init_optabs): Initialize lround_optab.
1957 * optabs.h (enum convert_optab_index): Add COI_lround.
1958 (lround_optab): Define.
1959 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1960 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1962 (ix86_expand_lround): New function.
1963 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1965 * doc/md.texi (lroundMN2): Document.
1967 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1970 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1971 argument to HOST_WIDE_INT. Update function prototype.
1972 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1973 "size" argument to HOST_WIDE_INT. Update function prototype.
1975 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1977 * config/i386/i386.c (output_387_ffreep): Create output from a
1978 template string for !HAVE_AS_IX86_FFREEP.
1980 2006-10-27 Eric Christopher <echristo@apple.com>
1982 * config/darwin.c: Fix formatting and grammar.
1984 2006-10-27 Jan Hubicka <jh@suse.cz>
1986 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1987 to be thrown away soon when IGNORE is set.
1988 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1989 indicating when return value shall not be computed.
1990 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1992 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1994 * config/i386/i386.h (TARGET_GEODE):
1995 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1996 (TARGET_CPU_DEFAULT_geode): New macro.
1997 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1998 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1999 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2000 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2001 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2003 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2004 (processor_type): Add PROCESSOR_GEODE.
2006 * config/i386/i386.md: Include geode.md.
2009 * config/i386/i386.c (geode_cost): New initialized global
2011 (m_GEODE, m_K6_GEODE): New macros.
2012 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2013 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2014 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2015 x86_schedule): Use m_K6_GEODE instead of m_K6.
2016 (x86_movx, x86_cmove): Set up m_GEODE.
2017 (x86_integer_DFmode_moves): Clear m_GEODE.
2018 (processor_target_table): Add entry for geode.
2019 (processor_alias_table): Ditto.
2021 * config/i386/geode.md: New file.
2023 * doc/invoke.texi: Add entry about geode processor.
2025 2006-10-27 Mike Stump <mrs@apple.com>
2027 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2028 __DYNAMIC__ from here back to ...
2029 * config/darwin.h (CPP_SPEC): ... here.
2031 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2032 Nathan Sidwell <nathan@codesourcery.com>
2034 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2035 when choosing the minimum heapsize.
2037 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2039 * gcc/unwind-dw2.h: Move cfa-related variables into
2040 struct frame_state_reg_info to ensure that the CFA is properly
2041 handled when executing DW_CFA_{remember,restore}_state.
2042 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2043 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2044 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2045 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2046 gcc/config/rs6000/linux-unwind.h,
2047 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2048 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2049 Modify to use new cfa_* fields.
2051 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2053 * config/s390/s390.c (s390_init_frame_layout): Check positive
2056 2006-10-26 Ben Elliston <bje@au.ibm.com>
2058 * gimplify.c (get_name): Remove extraneous break.
2059 (gimplify_omp_for): Initialise ret with GS_OK.
2061 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2063 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2064 Add unix98.o to link line.
2066 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2069 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2070 Calculate compile-time constants using MPFR.
2071 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2072 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2074 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2076 * config/xtensa/lib2funcs.S: Use C-style comments.
2078 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2080 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2081 (file_table_relative_p): Likewise.
2082 (dwarf2out_finish): Likewise.
2083 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2085 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2087 * tree-ssa-structalias.c (intra_create_variable_infos):
2088 Don't recreate nonlocal_all if it already exists.
2090 2006-10-25 Richard Guenther <rguenther@suse.de>
2093 * optabs.h (enum optab_index): Remove OTI_lrint.
2094 (enum convert_optab_index): Add COI_lrint.
2095 (lrint_optab): Adjust.
2096 (expand_sfix_optab): Declare.
2097 * optabs.c (expand_sfix_optab): New function.
2098 (init_optabs): Init lrint_optab as conversion optab.
2099 * genopinit.c (lrint_optab): Change to a conversion optab.
2100 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2101 expansion via conversion optab.
2102 * config/i386/i386.md (*fistdi2_1): Remove
2103 flag_unsafe_math_optimizations guard.
2104 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2105 fist<mode>2_with_temp): Likewise.
2106 (lrint<mode>2): Split into...
2107 (lrintxf<mode>2): ... x87 part
2108 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2109 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2110 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2111 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2112 * doc/md.texi (lrintMN2): Document.
2114 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2117 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2118 Use inc and dec instructions for TARGET_USE_INCDEC.
2119 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2120 ("sync_double_compare_and_swap<mode>"): Likewise.
2121 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2122 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2123 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2124 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2125 ("sync_old_add<mode>"): Likewise.
2126 ("sync_lock_test_and_set<mode>"): Likewise.
2127 ("sync_lock_test_and_set<mode>"): Likewise.
2128 ("sync_add<mode>"): Likewise.
2129 ("sync_sub<mode>"): Likewise.
2130 ("sync_ior<mode>"): Likewise.
2131 ("sync_and<mode>"): Likewise.
2132 ("sync_xor<mode>"): Likewise.
2134 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2136 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2137 (remainder_optab): Define corresponding macro.
2138 (drem_optab): Remove.
2139 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2140 drem_optab initialization.
2141 * genopinit.c (optabs): Implement remainder_optab using
2142 remainder?f3 patterns. Remove drem_optab.
2143 * builtins.c (expand_builtin_mathfn_2): Handle
2144 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2145 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2146 expand_builtin_mathfn_2.
2148 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2149 depend on flag_unsafe_math_optimizations.
2151 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2152 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2153 Do not depend on flag_unsafe_math_optimizations. Use
2154 truncxf?f expander instead of truncxf?f_i387_noop.
2156 ("fpremxf4", "fprem1xf4"): Do not depend on
2157 flag_unsafe_math_optimizations.
2158 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2159 flag_unsafe_math_optimizations. Use truncxf?f expander
2160 instead of truncxf?f_i387_noop.
2162 * doc/md.texi (fmod, remainder): Document standard named pattern.
2164 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2165 David Daney <ddaney@avtrex.com>
2168 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2170 2006-10-25 Ben Elliston <bje@au.ibm.com>
2172 * doc/extend.texi (Variable Attributes): Typo fix.
2174 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2176 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2177 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2178 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2179 (FRAME_POINTER_REGNUM): Update register number to 21.
2180 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2181 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2183 * config/i386/i386.c (regclass_map): Add fpcr entry.
2184 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2186 (print_reg): Assert REGNO (x) != FPCR_REG.
2188 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2189 (DIRFLAG_REG): Renumber.
2190 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2191 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2192 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2193 hardcoded SSE register numbers.
2195 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2196 hardcoded MMX register numbers.
2198 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2201 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2202 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2204 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2205 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2206 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2207 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2209 2006-10-24 Richard Guenther <rguenther@suse.de>
2212 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2213 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2214 for deciding optimizations in consistency with fold-const.c
2215 (fold_builtin_unordered_cmp): Likewise.
2217 2006-10-24 Richard Guenther <rguenther@suse.de>
2219 * builtins.c (fold_builtin_floor): Fold floor (x) where
2220 x is nonnegative to trunc (x).
2221 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2222 nonnegative to FIX_TRUNC_EXPR.
2224 2006-10-24 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/29567
2227 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2228 for TRUTH_NOT_EXPR. Clarify comments.
2230 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2233 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2234 at compile-time using MPFR. Change parameter VALUE to FUNC,
2236 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2237 for overflow and underflow at all times and avoid folding in
2240 2006-10-24 Ben Elliston <bje@au.ibm.com>
2242 * reload1.c: Formatting fixes.
2244 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2246 PR tree-optimization/14784
2247 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2248 * tree-ssa-structalias.c (get_constraint_for,
2249 intra_create_variable_infos): Set is_heapvar.
2250 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2251 non-heapvar pointer variables specially.
2253 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2256 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2257 fold_builtin_tan): Fold all constant arguments. Take a "type"
2258 argument as necessary.
2259 (do_mpfr_arg1): New.
2260 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2262 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2264 * config/xtensa/lib1funcs.asm: Use C-style comments.
2266 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2268 * tree.c (local_define_builtin): Replace calls to
2269 lang_hooks.builtin_function with add_builtin_function.
2270 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2272 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2274 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2275 common code to add_builtin_function.
2276 * langhooks.c (add_builtin_function): New function.
2277 (lhd_builtin_function): New function.
2278 * langhooks.h (struct lang_hooks): Change the signature of
2280 (add_builtin_function): New function.
2281 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2282 calls to lang_hooks.builtin_function with add_builtin_function.
2283 * c-common.c (decl_builtin_1): Replace calls to
2284 lang_hooks.builtin_function with add_builtin_function.
2285 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2286 lang_hooks.builtin_function with add_builtin_function.
2287 * config/frv/frv.c (def_builtin): Replace calls to
2288 lang_hooks.builtin_function with add_builtin_function.
2289 * config/s390/s390.c (s390_init_builtins): Replace calls to
2290 lang_hooks.builtin_function with add_builtin_function.
2291 * config/sparc/sparc.c (def_builtin): Replace calls to
2292 lang_hooks.builtin_function with add_builtin_function.
2293 * config/i386/i386.c (def_builtin): Replace calls to
2294 lang_hooks.builtin_function with add_builtin_function.
2295 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2296 lang_hooks.builtin_function with add_builtin_function.
2297 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2298 lang_hooks.builtin_function with add_builtin_function.
2299 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2300 Replace calls to lang_hooks.builtin_function with
2301 add_builtin_function.
2302 * config/iq2000/iq2000.c (def_builtin):
2303 Replace calls to lang_hooks.builtin_function with
2304 add_builtin_function.
2305 * config/ia64/ia64.c (def_builtin): Replace calls to
2306 lang_hooks.builtin_function with add_builtin_function.
2307 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2308 lang_hooks.builtin_function with add_builtin_function.
2309 (altivec_init_builtins): Replace calls to
2310 lang_hooks.builtin_function with add_builtin_function.
2311 * config/arm/arm.c (def_mbuiltin): Replace calls to
2312 lang_hooks.builtin_function with add_builtin_function.
2313 (arm_init_tls_builtins): Replace calls to
2314 lang_hooks.builtin_function with add_builtin_function.
2315 * config/mips/mips.c (mips_init_builtins): Replace calls to
2316 lang_hooks.builtin_function with add_builtin_function.
2317 * config/bfin/bfin.c (def_builtin): Replace calls to
2318 lang_hooks.builtin_function with add_builtin_function.
2319 * langhooks-def.h (lhd_builtin_function): New function.
2320 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2322 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2324 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2325 BUILT_IN_STRNCAT_CHK.
2327 2006-10-23 Jan Hubicka <jh@suse.cz>
2329 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2330 don't do conversion from memmove to memcpy here.
2331 (expand_builtin_bcopy, expand_builtin): Update call of
2332 expand_builtin_memmove.
2333 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2335 2006-10-23 Paul Brook <paul@codesourcery.com>
2337 * stor-layout.c (start_record_layout): maximum_field_alignment
2338 overrides STRUCTURE_SIZE_BOUNDARY.
2340 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2342 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2343 nonlocal function symbols if flag_pic.
2345 2006-10-23 Richard Guenther <rguenther@suse.de>
2349 * builtins.c (fold_binary): Remove checks for flag_wrapv
2350 and flag_trapv where negate_expr_p covers these cases.
2352 2006-10-23 Richard Guenther <rguenther@suse.de>
2355 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2356 of two on the absolute value.
2357 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2358 and negating -C does not overflow.
2360 2006-10-23 Richard Guenther <rguenther@suse.de>
2363 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2364 only if not flag_rounding_math.
2366 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2367 Kaz Kojima <kkojima@gcc.gnu.org>
2370 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2371 SImode memory reference for the source of a movua.
2372 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2373 (movua): Use an unspec instead of sign_extract. Expect the source
2374 to have mode BLKmode.
2375 (extv, insv): Use a BLKmode rather than SImode memory reference
2376 for the source of a movua.
2378 2006-10-22 Jeff Law <law@redhat.com>
2379 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/15911
2382 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2383 (register_edge_assert_for_1): Likewise.
2384 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2385 (find_conditional_asserts): Adjust for new function signature.
2386 (find_assert_locations): Likewise.
2388 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2390 * config/i386/tmmintrin.h: Remove the duplicated content.
2392 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2394 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2395 (x86_64-*-*): Likewise.
2397 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2398 (override_options): Check SSSE3.
2399 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2400 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2401 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2402 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2403 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2404 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2405 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2406 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2407 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2408 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2409 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2410 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2411 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2412 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2413 IX86_BUILTIN_PABSD128.
2414 (bdesc_2arg): Add SSSE3.
2415 (bdesc_1arg): Likewise.
2416 (ix86_init_mmx_sse_builtins): Support SSSE3.
2417 (ix86_expand_builtin): Likewise.
2418 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2420 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2421 (UNSPEC_PSIGN): Likewise.
2422 (UNSPEC_PALIGNR): Likewise.
2423 Include mmx.md before sse.md.
2425 * config/i386/i386.opt: Add -mssse3.
2427 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2428 (ssse3_phaddwv4hi3): Likewise.
2429 (ssse3_phadddv4si3): Likewise.
2430 (ssse3_phadddv2si3): Likewise.
2431 (ssse3_phaddswv8hi3): Likewise.
2432 (ssse3_phaddswv4hi3): Likewise.
2433 (ssse3_phsubwv8hi3): Likewise.
2434 (ssse3_phsubwv4hi3): Likewise.
2435 (ssse3_phsubdv4si3): Likewise.
2436 (ssse3_phsubdv2si3): Likewise.
2437 (ssse3_phsubswv8hi3): Likewise.
2438 (ssse3_phsubswv4hi3): Likewise.
2439 (ssse3_pmaddubswv8hi3): Likewise.
2440 (ssse3_pmaddubswv4hi3): Likewise.
2441 (ssse3_pmulhrswv8hi3): Likewise.
2442 (ssse3_pmulhrswv4hi3): Likewise.
2443 (ssse3_pshufbv16qi3): Likewise.
2444 (ssse3_pshufbv8qi3): Likewise.
2445 (ssse3_psign<mode>3): Likewise.
2446 (ssse3_psign<mode>3): Likewise.
2447 (ssse3_palignrti): Likewise.
2448 (ssse3_palignrdi): Likewise.
2449 (abs<mode>2): Likewise.
2450 (abs<mode>2): Likewise.
2452 * config/i386/tmmintrin.h: New file.
2454 * doc/extend.texi: Document SSSE3 built-in functions.
2456 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2458 2006-10-22 Ira Rosen <irar@il.ibm.com>
2460 * tree-vect-transform.c (vectorizable_load): Use the type of the
2461 return value of the mask_for_load builtin to create realign_load
2464 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2466 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2469 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2471 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2472 (UNSPEC_LDDQU): This.
2473 * config/i386/sse.md (sse3_lddqu): Updated.
2475 2006-10-21 Richard Guenther <rguenther@suse.de>
2477 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2478 (expand_builtin): Use it to expand lrint instead of
2479 expand_builtin_mathfn.
2481 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2484 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2485 flag_unsafe_math_optimizations is set.
2487 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2490 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2491 patterns to use memory input operand in x87->mem->XMM
2492 reload sequences. Skip transformation for TARGET_K8.
2494 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2496 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2497 force operand1 to register if both operands are memory operands.
2498 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2499 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2500 if both operands are memory operands.
2501 (truncdfsf2): Do not force operand1 to register if both operands
2502 are memory operands.
2504 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2506 * Makefile.in (LIBS): Add $(GMPLIBS).
2507 * doc/install.texi: Update GMP and MPFR requirements.
2508 * doc/sourcebuild.texi (need_gmp): Delete.
2510 2006-10-21 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/3511
2513 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2514 got new invariant arguments during PHI translation.
2516 2006-10-21 Richard Guenther <rguenther@suse.de>
2519 * fold-const.c (fold_comparison): Fold signed comparisons
2520 of the form X +- C1 CMP Y +- C2.
2522 2006-10-21 Richard Guenther <rguenther@suse.de>
2525 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2526 if flag_unsafe_math_optimizations is specified. We have
2527 flag_finite_math_only for that.
2528 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2529 or flag_unsafe_math_optimizations.
2531 2006-10-21 Richard Guenther <rguenther@suse.de>
2533 * builtins.c (fold_builtin_classify): Fix typo.
2535 2006-10-21 Richard Guenther <rguenther@suse.de>
2538 * simplify-rtx.c (simplify_const_relational_operation):
2539 Do not constant-fold ORDERED and UNORDERED for
2540 flag_unsafe_math_optimizations but only we do not need to
2541 honor NaNs for the given mode.
2543 2006-10-21 Richard Guenther <rguenther@suse.de>
2546 * config/i386/i386.c (classify_argument): Remove redundant
2547 walking of the BINFOs.
2548 (contains_128bit_aligned_vector_p): Likewise.
2550 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2552 * BASE-VER: Set to 4.3.0.
2554 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2556 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2557 (tree_decl_with_vis): Remove artificial_pta_var flag.
2558 * tree-flow.h (referenced_var_check_and_insert): Expose.
2559 (nonlocal_all): New prototype.
2560 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2561 (nonlocal_all): Make global.
2562 (nonlocal_lookup): Remove.
2563 (nonlocal_insert): Ditto.
2564 (create_nonlocal_var): Do not call nonlocal_insert.
2565 (get_nonlocal_id_for_type): Remove.
2566 (find_global_initializers): Mark new vars we find for renaming.
2567 (intra_create_variable_infos): Only create one nonlocal.
2568 (expand_nonlocal_solutions): Remove.
2569 (compute_points_to_sets): Don't call it.
2570 (ipa_pta_execute): Ditto.
2571 (init_alias_heapvars): Don't create nonlocal_for_type.
2572 (delete_alias_heapvars): Don't remove it.
2573 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2576 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2578 * doc/install.texi (Downloading GCC): Clarify mention of
2579 Fortran in the "full distribution" description.
2581 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2583 Fix PR tree-optimization/28778
2584 Fix PR tree-optimization/29156
2585 Fix PR tree-optimization/29415
2586 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2587 (tree_decl_with_vis): Add artificial_pta_var flag.
2588 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2589 pushed into callers.
2590 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2591 (nonlocal_all): Ditto.
2592 (struct variable_info): Add directly_dereferenced member.
2593 (var_escaped_vars): New variable.
2594 (escaped_vars_tree): Ditto.
2595 (escaped_vars_id): Ditto.
2596 (nonlocal_vars_id): Ditto.
2597 (new_var_info): Set directly_dereferenced.
2598 (graph_size): New variable
2599 (build_constraint_graph): Use graph_size.
2600 (solve_graph): Don't process constraints that cannot change the
2601 solution, don't try to propagate an empty solution to our
2603 (process_constraint): Set directly_dereferenced.
2604 (could_have_pointers): New function.
2605 (get_constraint_for_component_ref): Don't process STRING_CST.
2606 (nonlocal_lookup): New function.
2607 (nonlocal_insert): Ditto.
2608 (create_nonlocal_var): Ditto.
2609 (get_nonlocal_id_for_type): Ditto.
2610 (get_constraint_for): Allow results vector to be empty in the case
2611 of string constants.
2612 Handle results of calls properly.
2613 (update_alias_info): Update alias info stats on number and type of
2615 (find_func_aliases): Use could_have_pointers.
2616 (make_constraint_from_escaped): Renamed from
2617 make_constraint_to_anything, and changed to make constraints from
2619 (make_constraint_to_escaped): New function.
2620 (find_global_initializers): Ditto.
2621 (create_variable_info_for): Make constraint from escaped to any
2622 global variable, and from any global variable to the set of
2624 (intra_create_variable_infos): Deal with escaped instead of
2625 pointing to anything.
2626 (set_uids_in_ptset): Do type pruning on directly dereferenced
2628 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2629 (init_base_vars): Fix comment, and initialize escaped_vars.
2630 (need_to_solve): Removed.
2631 (find_escape_constraints): New function.
2632 (expand_nonlocal_solutions): Ditto.
2633 (compute_points_to_sets): Call find_escape_constraints and
2634 expand_nonlocal_solutions.
2635 (delete_points_to_sets): Don't fall off the end of the graph.
2636 (init_alias_heapvars): Initialize nonlocal_for_type and
2638 (delete_alias_heapvars): Free nonlocal_for_type and null out
2641 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2643 * fold-const.c (add_double): Rename to add_double_with_sign.
2644 Add 'unsigned_p' parameter and take it into account for the overflow.
2645 (mul_double): Rename to mul_double_with_sign.
2646 Add 'unsigned_p' parameter and take it into account for the overflow.
2647 (fold_div_compare): Call add_double_with_sign instead of add_double
2648 and mul_double_with_sign instead of mul_double, passing them the
2649 unsignedness of the type.
2650 * tree.h (add_double): Macroize.
2651 (add_double_with_sign): New prototype.
2652 (mul_double): Macroize.
2653 (mul_double_with_sign): New prototype.
2655 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2657 * config/score/crti.asm: New file.
2658 * config/score/crtn.asm: New file.
2659 * config/score/elf.h: New file.
2660 * config/score/mac.md: New file.
2661 * config/score/misc.md: New file.
2662 * config/score/mul-div.S: New file.
2663 * config/score/predicates.md: New file.
2664 * config/score/score7.md: New file.
2665 * config/score/score.c: New file.
2666 * config/score/score-conv.h: New file.
2667 * config/score/score.h: New file.
2668 * config/score/score.md: New file.
2669 * config/score/score-mdaux.c: New file.
2670 * config/score/score-mdaux.h: New file.
2671 * config/score/score-modes.def: New file.
2672 * config/score/score.opt: New file.
2673 * config/score/score-protos.h: New file.
2674 * config/score/score-version.h: New file.
2675 * config/score/t-score-elf: New file.
2676 * config.gcc: Add score*-*-* configurations(Update before).
2677 * doc/invoke.texi (Score Options): New section.
2678 * doc/md.texi (Score family): New section to document constraints.
2680 2006-10-19 Nick Clifton <nickc@redhat.com>
2682 * config/arm/arm.c: Fix spelling typo.
2684 2006-10-18 Tom Tromey <tromey@redhat.com>
2686 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2688 2006-10-18 Jan Hubicka <jh@suse.cz>
2691 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2694 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2696 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2697 TSI_SAME_STMT, since that's the desired entity.
2699 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2701 * config/s390/contraints.md: New file.
2702 * config/s390/s390-protos.h (s390_mem_constraint,
2703 s390_O_constraint_str, s390_N_constraint_str,
2704 s390_float_const_zero_p): Function prototypes added.
2705 * config/s390/s390.c (s390_extra_constraint_str,
2706 s390_const_double_ok_for_constraint_p,
2707 s390_const_ok_for_constraint_p): Functions removed.
2708 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2709 s390_float_const_zero_p): New functions.
2710 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2711 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2712 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2713 Macro definitions removed.
2714 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2715 s390_extra_constraint_str): Functions removed.
2717 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2718 Richard Sandiford <richard@codesourcery.com>
2721 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2722 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2724 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2726 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2727 (DWARF2_FRAME_REG_OUT): Likewise.
2728 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2729 (DWARF2_FRAME_REG_OUT): Likewise.
2731 2006-10-17 Paul Brook <paul@codesourcery.com>
2733 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2735 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2737 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2738 Standardize on "GNU Fortran" as the official name of the Fortran
2741 2006-10-16 Mike Stump <mrs@apple.com>
2743 * doc/invoke.texi (Darwin Options): Document -mkernel.
2744 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2746 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2747 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2748 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2749 (OS_MISSING_ALTIVEC): Add.
2750 * config/i386/i386.c (override_options): Add
2751 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2752 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2753 -mkernel, -static or -mdynamic-no-pic is given.
2754 (C_COMMON_OVERRIDE_OPTIONS): Add.
2755 * config/darwin.opt (fapple-kext): Add.
2757 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2758 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2760 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2761 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2762 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2763 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2764 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2765 (flag_mkernel): Add.
2766 (flag_apple_kext): Add.
2767 (TARGET_KEXTABI): Add.
2768 * config/darwin.c (darwin_handle_kext_attribute): Add.
2769 (DARWIN_VTABLE_P): Add.
2770 (darwin_binds_local_p): Add partial support for rebinding vtables
2772 (darwin_kextabi_p): Add.
2773 (darwin_override_options): Add.
2774 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2775 (darwin_kextabi_p): Add.
2776 (darwin_override_options): Add.
2777 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2778 __DYNAMIC__ and __STATIC__ here.
2780 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2782 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2783 Added mention of "make pdf" target, and Texinfo requirements for
2786 2006-10-16 DJ Delorie <dj@redhat.com>
2788 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2789 into the GOT in case we need a subreg of the address.
2791 2006-10-16 Richard Guenther <rguenther@suse.de>
2794 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2795 SSE builtin documentation. Document SSE2 builtins.
2797 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2799 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2800 symbol in the output file for non-shared links when -nostdlib or
2801 -nodefaultlibs isn't specified.
2803 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2804 posix thread support.
2806 2006-10-15 Jan Hubicka <jh@suse.cz>
2809 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2810 declared always_inline even when not inlining.
2812 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2813 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2814 Andrew Pinski <pinskia@gmail.com>
2817 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2819 2006-10-15 Jan Hubicka <jh@suse.cz>
2820 Richard Guenther <rguenther@suse.de>
2823 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2824 process_function_and_variable_attributes on all variables, including
2825 those discovered during cgraph construction phase.
2827 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2829 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2831 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2833 * config/i386/athlon.md (athlon_fist): Add fisttp.
2835 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2836 Ian Lance Taylor <ian@airs.com>
2839 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2840 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2843 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2845 * config/score/score.c, config/score/score.h: Fix comment
2848 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2851 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2854 2006-10-13 Eric Christopher <echristo@apple.com>
2856 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2858 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2861 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2862 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2863 alignment supported by 32-bit ELF.
2865 2006-10-13 Eric Christopher <echristo@apple.com>
2867 * config/darwin.c (darwin_emit_unwind_label): Strip
2868 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2870 2006-10-13 Richard Guenther <rguenther@suse.de>
2872 PR tree-optimization/29446
2873 * tree-vrp.c (fix_equivalence_set): Remove.
2874 (extract_range_from_assert): Do not call fix_equivalence_set.
2875 (debug_value_range): Print a newline.
2876 (compare_name_with_value): For equivalence sets with
2877 inconsistent value ranges conservatively bail out.
2878 (compare_names): Likewise.
2880 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2882 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2883 and MPFR for gfortran.
2885 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2887 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2888 alignment supported by 32-bit ELF.
2890 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2894 * c-typeck.c (digest_init): Always allow initializing vectors
2895 that have static storage duration with compound literals.
2896 * tree.c (build_type_attribute_qual_variant): New, based on
2897 build_type_attribute_variant.
2898 (build_type_attribute_variant): Rewrite using the former.
2899 (make_vector_type): Use build_type_attribute_qual_variant to build
2900 type variants. Use type_hash_canon on the others.
2902 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2903 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2905 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2907 2006-10-12 Jan Hubicka <jh@suse.cz>
2910 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2911 current_function_decl is set but current_function_scope is not.
2913 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2915 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2916 emit_insn to emit eh_return_internal instruction.
2917 (eh_return_internal): Explicitly set pc.
2919 2006-10-11 Richard Guenther <rguenther@suse.de>
2921 PR tree-optimization/28230
2922 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2923 to the correct place.
2925 2006-10-11 Richard Guenther <rguenther@suse.de>
2928 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2931 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2933 * configure.ac: Added pdf to "Make-hooks"
2934 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2935 targets and *.pdf file patterns in cleanup targets.
2936 * configure: Regenerated.
2938 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2940 * config/avr/predicates.md: New file.
2941 * config/avr/avr.md: Include it.
2942 (REG_SP): New constant.
2943 (peepholes): Use predicates.
2944 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2945 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2946 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2948 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2950 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2953 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2956 * builtins.c (var_decl_component_p): New function.
2957 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2958 single entry optimization to variables and components thereof.
2960 2006-10-10 Richard Guenther <rguenther@suse.de>
2962 PR rtl-optimization/29323
2963 * except.c (set_nothrow_function_flags): For functions
2964 that do not bind local bail out early.
2966 2006-10-10 Ben Elliston <bje@au.ibm.com>
2968 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2971 2006-10-09 Richard Henderson <rth@redhat.com>
2973 Revert emutls patch.
2975 2006-10-09 Richard Guenther <rguenther@suse.de>
2978 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2981 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2984 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2985 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2986 * configure: Regenerate.
2987 * config.in: Regenerate.
2989 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2991 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2993 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2995 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2996 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2997 Remove stray newline.
2999 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3001 * config/mips/mips.c (mips_classify_symbol): Do not return
3002 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3003 (mips_in_small_data_p): Tweak comments.
3005 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3007 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3009 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3011 * gimplify.c, sched-int.h: Fix comment typos.
3013 * sched-int.h: Fix comment typos.
3015 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3017 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3019 * sched-ebb.c (begin_schedule_ready): Use them.
3020 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3021 add_to_speculative_block, create_check_block_twin, speculate_insn,
3022 fix_jump_move, move_block_after_check): Ditto.
3023 * sched-rgn.c (new_ready): Ditto.
3025 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3027 PR rtl-optimization/29128
3028 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3029 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3030 allow interblock movement of speculation checks.
3032 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3035 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3036 casted to integer type.
3037 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3038 if they are significantly more expensive than [reg + index] ones.
3040 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3042 PR tree-optimization/29330
3043 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3044 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3045 on newly allocated ddrs.
3046 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3047 to VEC (loop_p, heap) pointer.
3048 (compute_data_dependences_for_loop): Adjust caller.
3049 (free_dependence_relations): Free DDR_LOOP_NEST.
3051 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3052 free DEPENDENCE_RELATIONS and DATAREFS.
3055 * builtins.c (expand_builtin_sync_operation,
3056 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3057 Use convert_to_mode to handle promoted arguments.
3059 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3061 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3063 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3065 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3067 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3069 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3070 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3071 Use <modeconstraint> instead of "r" as operand 1 constraint.
3073 2006-10-06 Olivier Hainque <hainque@adacore.com>
3075 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3076 Don't recurse on the pointed-to type.
3077 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3078 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3079 types with components of variable size.
3081 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3083 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3085 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3087 PR tree-optimization/29290
3088 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3092 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3093 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3096 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3097 the number of vector elements fill the rest with zeros.
3099 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3101 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3102 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3105 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3107 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3108 unnamed pattern into subsi3. Use correct constraints/predicates.
3109 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3110 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3112 2006-10-05 Ira Rosen <irar@il.ibm.com>
3114 * doc/loop.texi: Add data references analysis description.
3116 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3118 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3120 2006-10-04 Richard Henderson <rth@redhat.com>
3121 Jakub Jelinek <jakub@redhat.com>
3123 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3124 * builtin-types.def (BT_WORD): Make unsigned.
3125 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3126 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3127 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3128 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3129 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3130 * cgraph.c (decide_is_variable_needed): Look at force_output.
3131 Recurse for emulated tls.
3132 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3133 checks redundant with decide_is_variable_needed.
3134 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3135 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3137 * expr.c (emutls_var_address): New.
3138 (expand_expr_real_1): Expand emulated tls.
3139 (expand_expr_addr_expr_1): Likewise.
3140 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3141 * output.h (emutls_finish): Declare.
3142 * toplev.c (compile_file): Call it.
3143 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3144 address before wrapping in CONST.
3145 * varasm.c (emutls_htab, emutls_object_type): New.
3146 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3147 (get_emutls_object_name, get_emutls_object_type): New.
3148 (get_emutls_init_templ_addr, emutls_decl): New.
3149 (emutls_common_1, emutls_finish): New.
3150 (assemble_variable): When emulating tls, swap decls; generate
3151 constructor for the emutls objects.
3152 (do_assemble_alias): When emulating tls, swap decl and target name.
3153 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3155 * emutls.c: New file.
3156 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3157 tls_object for real tls.
3159 2006-10-04 Zack Weinberg <zackw@panix.com>
3161 Fix bug in constraint-check generator, reported by Rask Ingemann
3163 * genpreds.c (add_constraint): Don't remove anything from the
3165 (write_tm_constrs_h): Detect whether "op" argument is used, and
3166 mark it ARG_UNUSED if it isn't.
3167 (write_insn_const_int_ok_for_constraint): Skip the part of the
3168 expression that would test whether "op" (which is not available
3169 here) is a CONST_INT.
3171 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3174 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3176 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3178 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3179 current Leopard versions.
3180 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3182 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3184 * doc/install.texi: Fix typos.
3186 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3188 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3189 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3190 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3192 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3194 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3195 arg to be struct mach_header_64* instead.
3197 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3200 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3201 side effects after the outer expression's post side effects.
3203 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3205 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3206 comments to reflect actual behavior and relationship between
3207 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3209 * doc/c-tree.texi (Working with declarations): Fix documentation
3210 of FIELD_DECL likewise.
3212 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3215 * doc/extend.texi: Add used variable attribute description.
3217 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3220 * c.opt (Woverride-init): New.
3221 * c-opts.c (c_common_post_options): Default warn_override_init to
3223 * c-typeck.c (add_pending_init, output_init_element): Warn for
3224 overriding initializers without side effects.
3225 * doc/invoke.texi (-Woverride-init): Document.
3228 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3230 PR rtl-optimization/28096
3231 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3232 assignment has already been used as a destination earlier in the block.
3234 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3236 * builtins.c (expand_builtin_setjmp): Delete.
3237 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3238 <BUILT_IN_SETJMP_SETUP>: New case.
3239 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3240 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3241 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3242 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3243 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3244 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3245 (lower_function_body): Initialize it to false. If it is set to true
3246 at the end of the processing, emit the setjmp dispatcher.
3247 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3248 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3249 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3250 on the rhs of the assignment.
3251 (lower_builtin_setjmp): New function.
3252 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3253 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3254 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3255 to detect calls that can go to non-local labels. Use specific
3256 helper to create the abnormal edges associated with them.
3257 <MODIFY_EXPR>: Likewise.
3258 (make_abnormal_goto_edges): New function extracted from...
3259 (make_goto_expr_edges): ...here. Call it for computed gotos.
3260 (simple_goto_p): Minor tweak.
3261 (tree_can_make_abnormal_goto): New predicate.
3262 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3263 (tree_purge_dead_abnormal_call_edges): New function.
3264 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3265 (tree_purge_dead_abnormal_call_edges): Likewise.
3266 (make_abnormal_goto_edges): Likewise.
3267 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3268 Purge all dead abnormal edges if the call was in the last statement.
3269 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3270 (execute_fixup_cfg): If there are non-local labels in the function,
3271 scan the basic blocks and split them at calls that can go to non-local
3272 labels or add missing abnormal call edges. Write down the CFG in the
3274 (pass_fixup_cfg): Remove TODO_dump_func flag.
3275 * unwind-sjlj.c: Poison setjmp.
3276 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3277 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3278 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3279 (DONT_USE_BUILTIN_SETJMP): Document it.
3281 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3284 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3285 to 1 when __ppc64__ is defined.
3286 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3288 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3290 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3292 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3293 * config/ia64/unwind-hpux.c: Delete.
3295 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3297 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3298 on the element before gimplifying it, instead of punting if it is of
3301 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3303 * doc/loop.texi: New file.
3304 * doc/gccint.texi: Reference loop.texi.
3305 * Makefile.in (loop.texi): Add.
3307 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3309 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3311 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3312 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3314 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3316 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3318 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3320 * doc/install.texi: Document required versions of GMP and MPFR.
3322 2006-09-27 Paul Brook <paul@codesourcery.com>
3325 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3327 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3329 * reload1.c (alter_reg): Require the alignment of the stack slot to
3330 be at least reg_max_ref_width bytes.
3331 (scan_paradoxical_subregs): Record the largest width in
3334 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3338 * tree-nested.c (struct nesting_info): Added static_chain_added.
3339 (convert_call_expr): Set static_chain_added when adding static
3340 chain. Handle OMP_PARALLEL and OMP_SECTION.
3342 2006-09-25 Matthias Klose <doko@debian.org>
3344 * doc/invoke.texi: Add missing full stop.
3346 2006-09-25 Richard Henderson <rth@redhat.com>
3348 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3349 before cgraph_function_flags_ready.
3351 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3352 Adam Nemet <anemet@caviumnetworks.com>
3354 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3355 determine_common_wider_type): New functions.
3356 (get_computation_aff): Use them to simplify arithmetic between
3357 UBASE and CBASE if they are shortened from the same type.
3359 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3362 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3363 -2147483647 - 1 instead of 0x80000000.
3365 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3367 * flags.h (HONOR_NANS): Fix typo in comment.
3369 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3371 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3373 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3377 * tree.c (merge_attributes, attribute_list_contained): If both
3378 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3380 * c-typeck.c (comptypes_internal): Don't consider aggregates
3381 in different TUs as compatible if there one set of attributes is
3382 not a subset of the other type's attributes.
3383 (composite_type): Try harder not to create a new aggregate type.
3385 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3387 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3388 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3389 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3390 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3391 than replicating condition above.
3392 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3394 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3395 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3396 the linker by default.
3398 2006-09-22 Mike Stump <mrs@apple.com>
3400 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3403 2006-09-22 Richard Guenther <rguenther@suse.de>
3406 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3407 sort of stack variables stable.
3409 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3412 * explow.c (force_reg): Set REG_POINTER flag according to
3415 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3417 PR tree-optimization/28888
3418 * tree-if-conv.c (combine_blocks): Rewritten.
3419 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3420 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3422 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3424 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3427 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3429 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3431 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3433 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3435 2006-09-21 Roger Sayle <roger@eyesopen.com>
3438 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3439 dw_fde_current_label, to be the start of the function, i.e. the same
3440 value as dw_fde_begin.
3442 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3444 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3445 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3446 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3447 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3448 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3449 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3450 (abs<mode>2, neg<mode>2): Likewise.
3451 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3452 (*mips_abs_ps): New define_insn.
3454 2006-09-20 Josh Conner <jconner@apple.com>
3457 * calls.c (expand_call): Allow reuse of structure return stack
3460 2006-09-20 Paul Brook <paul@codesourcery.com>
3462 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3465 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3467 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3468 clean up terminology.
3470 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3473 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3474 with tablejumps in them.
3476 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3479 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3480 wrap it into TARGET_EXPR.
3482 2006-09-20 Eric Christopher <echristo@apple.com>
3484 * config/i386/i386.c (x86_fisttp): Remove.
3485 * config/i386/i386.h (x86_fisttp): Ditto.
3486 (TARGET_FISTTP): Ditto.
3488 2006-09-19 Eric Christopher <echristo@apple.com>
3490 * doc/tm.texi (OBJC_JBLEN): Describe.
3491 * config/i386/darwin.h (OBJC_JBLEN): Define.
3492 * config/rs6000/darwin.h: Ditto.
3494 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3496 PR rtl-optimization/21299
3497 * reload1.c (reload): Purge invalid ASMs in the final pass.
3499 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3502 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3503 pointers as legitimate constants.
3505 2006-09-19 Paul Brook <paul@codesourcery.com>
3508 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3510 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3512 PR tree-optimization/28887
3513 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3514 component parts from the reference.
3515 (gather_memory_references_ref): Record the reference without the
3516 nonaddressable component parts.
3518 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3521 * c-opts.c (c_common_handle_option): Ignore the -std options
3522 if the input language is assembly.
3524 2006-09-17 Ira Rosen <irar@il.ibm.com>
3527 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3529 (ptr_ptr_may_alias_p): Likewise.
3530 (record_record_differ_p): New function.
3531 (base_object_differ_p): Call record_record_differ_p.
3533 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3536 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3537 away for the expr argument.
3539 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3542 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3543 before using it for dumping after vectorizing loops.
3545 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3546 Jack Howarth <howarth@bromo.med.uc.edu>
3549 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3550 skip on error_mark_node.
3551 (rs6000_darwin64_record_arg_recurse): Likewise.
3553 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3555 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3556 * doc/rtl.texi: Remove related documentation.
3558 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3560 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3563 2006-09-15 Jim Wilson <wilson@specifix.com>
3565 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3566 Handle symbol offsets same as they are handled in ia64_expand_move
3569 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3571 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3572 Add forgotten parameter to the fprintf call.
3574 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3576 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3578 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3580 * doc/contrib.texi: Add my entry.
3582 2006-09-15 Nick Clifton <nickc@redhat.com>
3584 * doc/md.texi (Processor pipeline description): Fix typo in
3585 example of how to use the absence_set directive and reword the
3586 description to make it slightly easier to read.
3588 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3590 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3591 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3592 expanding the number of iterations.
3593 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3595 * cfgrtl.c (emit_insn_at_entry): New function.
3596 * rtl.h (emit_insn_at_entry): Declare it.
3597 * integrate.c (emit_initial_value_sets): Use it.
3599 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3601 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3603 (struct loop_work and related VEC declarations): Delete.
3604 (bfin_dump_loops): Print out new member bad.
3605 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3606 (bfin_scan_loop): Don't recurse.
3607 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3608 loops. No longer need to update outer loops if the current one is
3609 found bad. Move some validitiy checks to bfin_discover_loop.
3610 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3611 but changed not to check for nesting. Also changed to use the new bad
3613 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3614 time. Use bitmap based test to discover loop nesting.
3616 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3618 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3621 2006-09-14 Richard Guenther <rguenther@suse.de>
3622 Kazu Hirata <kazu@codesourcery.com>
3624 PR middle-end/28884.
3625 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3626 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3627 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3628 with TARGET_FUNCTION_VALUE.
3630 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3633 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3635 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3637 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3640 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3643 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3646 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3648 * basic_block.h (bb_has_eh_pred): Fix comment.
3650 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3652 * flow.c (calculate_global_regs_live): Invalidate eh registers
3653 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3654 (propagate_block): Handle eh registers as if they were set at basic
3656 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3658 * global.c (global_conflicts): Make eh registers to conflict with
3659 pseudos live at basic block begin.
3660 * basic_block.h (bb_has_eh_pred): New function.
3662 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3664 PR rtl-optimization/28982
3665 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3666 index of a PRE_MODIFY or POST_MODIFY address.
3667 * reload1.c (inc_for_reload): Use find_replacement on the original
3668 base and index registers.
3670 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3672 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3673 for -Os. Update __m128 alignment requirement.
3675 2006-09-13 Jan Hubicka <jh@suse.cz>
3677 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3679 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3681 PR rtl-optimization/28243
3682 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3683 the insn to which the note was originally attached.
3685 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3686 Roger Sayle <roger@eyesopen.com>
3688 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3689 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3690 on platforms that don't use dwarf for debug info.
3692 2006-09-12 Jason Merrill <jason@redhat.com>
3695 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3696 hard_frame_pointer_rtx after using it to update the frame pointer.
3698 2006-09-12 Roger Sayle <roger@eyesopen.com>
3700 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3701 (TARGET_ASM_CLOSE_PAREN): Likewise.
3702 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3703 (TARGET_ASM_CLOSE_PAREN): Likewise.
3705 2006-09-12 Roger Sayle <roger@eyesopen.com>
3708 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3709 frame information for frames larger than 512 Kbytes on Tru64 when
3710 using the native assembler.
3712 2006-09-12 Roger Sayle <roger@eyesopen.com>
3716 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3717 and symbols. Instead use the implementation from cse.c's hash_rtx.
3719 2006-09-12 Jan Hubicka <jh@suse.cz>
3721 PR rtl-optimization/28071
3722 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3723 (vect_transform_loop): Likewise.
3724 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3725 (new_loop_vec_info): Likewise.
3726 (destroy_loop_vec_info): Likewise.
3727 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3728 (create_stmt_ann): Likewise.
3729 (create_tree_ann): Rename to ...
3730 (create_tree_common_ann): ... this one; allocate only the common part
3732 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3733 (get_value_handle): Likewise.
3734 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3735 get_tree_common_ann.
3736 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3737 (vinfo_for_stmt): Use stmt annotations.
3738 * tree-flow.h (tree_ann_common_t): New type.
3739 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3740 (tree_ann, get_tree_ann, create_tree_ann): New.
3741 * tree-flow-inline.h (get_function_ann): Do more type checking.
3742 (stmt_ann): Likewise.
3743 (tree_ann): Rename to ...
3744 (tree_common_ann): ... this one; return ony common_ann
3745 (get_tree_ann): Rename to ...
3746 (tree_common_ann): This one; return only common_ann.
3747 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3750 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3752 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3753 with_cpu by default.
3755 * dwarf2out.c (dwarf_file_data): New.
3756 (enum dw_val_class): Add dw_val_class_file.
3757 (struct dw_val_struct): Add val_file.
3758 (file_table): Change to a hash table.
3759 (file_table_emitted): Delete.
3760 (file_table_last_lookup_index): Delete.
3761 (emitcount): Delete.
3762 (last_emitted_file): New.
3763 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3764 (init_file_table): Delete.
3765 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3766 (AT_addr): Add comment.
3770 (print_die): Handle dw_val_class_file.
3771 (print_dwarf_line_table): Update for new file table structure.
3772 (attr_checksum): Do checksum a filename.
3773 (same_dw_val_p, same_attr_p): Do compare a filename.
3774 (size_of_die): Handle dw_val_class_file.
3775 (value_format): Likewise.
3776 (output_die): Likewise. Also, call maybe_emit_file here.
3777 (struct file_info): Constify filenames. Make file_idx a pointer
3778 to a struct dwarf_file_data.
3779 (struct dir_info): Constify directory names. Remove 'used' field.
3780 (struct file_name_acquire_data): New.
3781 (file_name_acquire): New.
3782 (output_file_names): Modify to handle new file data structures.
3783 (add_src_coords_attributes): Use add_AT_file.
3784 (add_call_src_coords_attributes): Likewise.
3785 (dwarf2out_imported_module_or_decl): Likewise.
3786 (gen_subprogram_die): Modify for new file data structures.
3787 (gen_variable_die): Likewise.
3788 (file_table_eq): New.
3789 (file_table_hash): New.
3790 (file_table_last_lookup): New.
3791 (lookup_filename): Rewrite to handle new file data structures.
3792 (maybe_emit_file): Rewrite to handle new file data structures.
3793 (dwarf2out_source_line): Always call lookup_filename and
3795 (dwarf2out_init): Create file_table here.
3796 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3797 (file_table_relative_p): New.
3798 (dwarf2out_finish): Change detection of relative filenames
3799 to work with new file data structures. Move output_line_info call
3800 after debug_info output.
3802 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3807 * config/i386/i386.c (override_options): Always default to 16
3808 byte stack boundary.
3810 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3813 * var-tracking.c (dump_dataflow_set): Start dumping at
3815 (clobber_variable_part): Kill only the variable part in
3816 registers holding it, leaving other variables alone.
3818 2006-09-11 Josh Triplett <josh@freedesktop.org>
3820 * doc/extend.texi (Other Builtins): Actually use the macro
3821 argument in the documentation example for
3822 __builtin_types_compatible_p.
3824 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3826 PR rtl-optimization/28726
3827 * sched-deps.c (sched_analyze_reg): New function extracted from...
3828 (sched_analyze_1): ...here. Call it to analyze references to
3829 registers. Treat again writes to a stack register as writing to the
3831 (sched_analyze_2): ...and here. Call it to analyze references to
3832 registers. Treat again reads of a stack register as reading the
3835 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3836 David Edelsohn <edelsohn@gnu.org>
3839 * config/rs6000/spe.md (frob_df_di): Remove %H.
3840 (frob_di_df): Remove %H. Change evmergelo to mr.
3841 (frob_di_df_2): Remove %H. Change evldd to two loads.
3843 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3845 * doc/cpp.texi: Fix names of charset options.
3847 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3850 * config/i386/i386.c (override_options): Use 128-bit
3851 stack boundary always for 64bits.
3853 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3855 PR rtl-optimization/28636
3856 * combine.c (force_to_mode): Test for side-effects before
3857 substituting by zero.
3858 (simplify_shift_const): Likewise for zero or other constants.
3860 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3863 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3866 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3869 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3870 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3871 returned by mode_for_size, rather than the mode of src itself,
3872 to choose between 32-bit and 64-bit patterns.
3873 (mips_mem_fits_mode_p): New function.
3874 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3875 that the size of the source matches the size of the destination.
3876 (mov_<store>l, mov_<store>r): Likewise.
3878 2006-09-10 Eric Christopher <echristo@apple.com>
3880 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3883 2006-09-09 Eric Christopher <echristo@apple.com>
3886 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3889 2006-09-09 Roger Sayle <roger@eyesopen.com>
3890 Nicolas Setton <setton@adacore.com>
3892 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3894 2006-09-10 Andreas Schwab <schwab@suse.de>
3896 * config/m68k/m68k.md (bungt_rev): New pattern.
3898 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3899 Dale Johannesen <dalej@apple.com>
3902 * regclass.c (struct reg_pref): Update documentation.
3903 (regclass): Set prefclass to NO_REGS if memory is the best option.
3904 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3906 2006-09-08 Eric Christopher <echristo@apple.com>
3908 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3909 * config/t-slibgcc-darwin: Support x86_64 multilib.
3910 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3911 Return 1 for x86_64-darwin.
3912 * config/i386/t-darwin: Add m64 multilib.
3913 (LIB2_SIDITI_CONV_FUNCS): Use.
3914 (LIB2FUNCS_EXTRA): Ditto.
3915 * config/i386/darwin.h: Support x86_64.
3916 * config/i386/i386.c (override_options): Turn on flag_pic
3917 for x86_64-darwin. Disable flag_omit_pointer.
3918 (get_pc_thunk_name): Assert !TARGET_64BIT.
3919 (legitimate_address_p): Disable machopic addressing for
3921 (legitimize_pic_address): Ditto.
3922 (ix86_expand_move): Ditto.
3923 (ix86_expand_call): Ditto.
3924 (machopic_output_stub): Ditto.
3925 * config/darwin.c (machopic_select_section): Support literal16.
3926 (machopic_select_rtx_section): Ditto.
3927 * config/darwin-sections.def: Ditto.
3928 * config/darwin-64.c: New.
3930 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3933 * c-tree.h (struct c_arg_info): Add pending_sizes.
3934 * c-parser.c (c_parser_parms_declarator,
3935 c_parser_parms_list_declarator): Initialize pending_sizes.
3936 * c-decl.c (get_parm_info): Initialize pending_sizes.
3937 (get_parm_info): Set pending_sizes.
3938 (grokdeclarator): Call put_pending_sizes for parameters for
3939 function definition only.
3941 2006-09-07 Jason Merrill <jason@redhat.com>
3944 * varasm.c (output_constant): Only strip actual no-op conversions.
3947 * config/i386/i386.c (override_options): Use 128-bit
3948 stack boundary if -msse.
3950 2006-09-07 Eric Christopher <echristo@apple.com>
3952 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3954 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3957 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3959 * dwarf2out.c: Remove strange characters from comment above
3960 dwarf2out_frame_debug_expr.
3962 2006-09-07 Eric Christopher <echristo@apple.com>
3964 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3965 * config/darwin.h: ... to here.
3967 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3969 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3971 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3972 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3974 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3975 TARGET_PARTIAL_FLAG_REG_STALL.
3976 (*ashldi3_cconly_rex64): Likewise.
3977 (*ashlsi3_cmp): Likewise.
3978 (*ashlsi3_cconly): Likewise.
3979 (*ashlsi3_cmp_zext): Likewise.
3980 (*ashlhi3_cmp): Likewise.
3981 (*ashlhi3_cconly): Likewise.
3982 (*ashlqi3_cmp): Likewise.
3983 (*ashlqi3_cconly): Likewise.
3984 (*ashrdi3_cmp_rex64): Likewise.
3985 (*ashrdi3_cconly_rex64): Likewise.
3986 (*ashrsi3_cmp): Likewise.
3987 (*ashrsi3_cconly): Likewise.
3988 (*ashrsi3_cmp_zext): Likewise.
3989 (*ashrhi3_cmp): Likewise.
3990 (*ashrhi3_cconly): Likewise.
3991 (*ashrqi3_cmp): Likewise.
3992 (*ashrqi3_cconly): Likewise.
3993 (*lshrdi3_cmp_rex64): Likewise.
3994 (*lshrdi3_cconly_rex64): Likewise.
3995 (*lshrsi3_cmp): Likewise.
3996 (*lshrsi3_cconly): Likewise.
3997 (*lshrsi3_cmp_zext): Likewise.
3998 (*lshrhi3_cmp): Likewise.
3999 (*lshrhi3_cconly): Likewise.
4000 (*lshrqi2_cmp): Likewise.
4001 (*lshrqi2_cconly): Likewise.
4003 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4006 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4007 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4008 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4009 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4010 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4011 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4012 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4013 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4014 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4015 implement only CC setting effects of shift instructions.
4017 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4019 * doc/contrib.texi: Add myself.
4021 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4024 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4025 was set by the user.
4027 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4030 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4031 (divsi_inv_m1): Use them.
4032 (UNSPEC_DIV_INV_TABLE): New constant.
4034 2006-09-06 James E Wilson <wilson@specifix.com>
4037 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4038 then call count_or_remove_death_notes.
4040 2006-09-06 Jason Merrill <jason@redhat.com>
4043 * tree-inline.c (copy_result_decl_to_var): New fn.
4044 (declare_return_variable): Use it. Call declare_inline_vars here.
4045 (expand_call_inline): Not here.
4047 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4049 * doc/contrib.texi: Update my entry.
4051 2006-09-06 Nick Clifton <nickc@redhat.com>
4053 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4055 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4058 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4059 (canonicalize_induction_variables): Likewise.
4060 (tree_unroll_loops_completely): Likewise.
4061 (tree_ssa_prefetch_arrays): Likewise.
4062 (remove_empty_loops): Likewise.
4063 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4064 TODO_cleanup_cfg instead of directly calling
4065 cleanup_tree_cfg_loop.
4066 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4068 (tree_unroll_loops_completely): Likewise.
4069 (remove_empty_loops): Likewise.
4070 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4071 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4072 of tree_ssa_unswitch_loops.
4073 (tree_ssa_loop_ivcanon): Use the return value of
4074 canonicalize_induction_variables.
4075 (tree_ssa_empty_loop): Use the return value of
4077 (tree_complete_unroll): Use the return value of
4078 tree_unroll_loops_completely.
4079 (tree_ssa_loop_prefetch): Use the return value of
4080 tree_ssa_prefetch_arrays.
4081 * passes.c (execute_todo): Before Cleanup CFG, set
4082 updating_used_alone and after cleanup CFG, call
4083 recalculate_used_alone.
4085 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4088 * tree-vect-transform.c (vectorizable_condition): Move the check
4089 for the type after the check for simple condition.
4091 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4092 Kaz Kojima <kkojima@gcc.gnu.org>
4095 * mode-switching.c (optimize_mode_switching): Make the destination
4096 block of an abnormal edge have no anticipatable mode. Don't
4097 insert mode switching code at the end of the source block of
4100 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4102 PR rtl-optimization/26847
4103 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4104 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4105 (simplify_plus_minus): Count n_constants while filling ops. Replace
4106 qsort with insertion sort. Before going through the array to simplify
4107 pairs, sort it. Delay early exit until after the first sort, exiting
4108 only if no swaps occurred. Simplify pairs in reversed order, without
4109 special-casing the first iteration. Pack ops after simplifying pairs.
4111 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4113 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4114 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4115 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4116 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4118 2006-09-05 Richard Guenther <rguenther@suse.de>
4120 PR tree-optimization/28900
4121 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4122 compound conditional before creating COND_EXPR condition.
4124 2006-09-05 Richard Guenther <rguenther@suse.de>
4126 PR tree-optimization/28905
4127 * tree-vrp.c (fix_equivalence_set): Manually implement
4128 !value_ranges_intersect_p to also handle symbolic ranges.
4130 2006-09-05 Richard Guenther <rguenther@suse.de>
4133 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4136 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4138 PR rtl-optimization/27616
4139 * cse.c (table_size): New static variable.
4140 (new_basic_block): Initialize it to 0.
4141 (remove_from_table): Decrement it.
4142 (insert): Increment it.
4143 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4144 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4145 fold_rtx_mem_1 if under the cap.
4146 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4147 the lookup of the equivalent expression and test for equality of the
4148 first operand of the equivalent expression before in turn looking up
4149 an equivalent constant for the second operand.
4151 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4154 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4155 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4156 pointer, instead of assuming it is possible to derive the
4157 correct args size from a call insn.
4159 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4162 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4163 (fold_builtin_mempcpy): Rename to...
4164 (fold_builtin_memory_op): ... this. Optimize one element copy
4166 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4168 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4169 (expand_builtin_memcpy, expand_builtin_mempcpy,
4170 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4171 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4172 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4173 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4175 2006-09-01 DJ Delorie <dj@redhat.com>
4177 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4178 (stzx_16): Likewise.
4179 ("stzx_24_<mode>"): Likewise.
4180 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4181 ("cmp<mode>_op"): New.
4182 (cmp<mode>): Change to expander; just save operands.
4184 (b<code>): Change to expander, emit compare here.
4185 (s<code>_op): Change to use split and expander.
4186 (s<code>_24_op): Likewise.
4187 (s<code>_<mode>): New.
4188 (s<code>_<mode>_24): New.
4189 (movqicc_<code>_<mode): New.
4190 (movhicc_<code>_<mode>): New.
4193 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4194 (m32c_pend_compare): New.
4195 (m32c_unpend_compare): New.
4196 (m32c_expand_scc): New.
4197 (m32c_expand_movcc): Emit the compare also.
4198 * config/m32c/predicates.md (mra_nopp_operand): New.
4200 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4201 Richard Guenther <rguenther@suse.de>
4202 Adam Nemet <anemet@caviumnetworks.com>
4205 * builtins.c (get_pointer_alignment): Handle more forms
4206 of base addresses that can be used to derive more precise
4207 information about alignment.
4209 2006-09-01 Jason Merrill <jason@redhat.com>
4212 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4215 * gimplify.c (voidify_wrapper_expr): Handle null type.
4217 2006-09-01 Josh Conner <jconner@apple.com>
4220 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4221 (execute_return_slot_opt): Use it.
4223 2006-08-31 Josh Conner <jconner@apple.com>
4226 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4227 returning aggregates.
4229 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4231 PR tree-optimization/28839
4232 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4233 blocks in that phi arguments appear.
4235 2006-08-31 Roger Sayle <roger@eyesopen.com>
4238 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4239 NULL, otherwise use an advance_loc4 to adjust relative to the
4241 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4242 (dwarf2out_switch_text_section): Reset the current label to avoid
4243 using advance_loc4 over section boundaries.
4245 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4248 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4249 r12 + SYMBOLIC_CONST.
4251 2006-08-30 Richard Guenther <rguenther@suse.de>
4253 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4255 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4257 PR rtl-optimization/27735
4258 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4259 Add new argument to keep track of whether an irreducible region
4260 was affected. All callers changed.
4261 (fix_irreducible_loops): Removed.
4262 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4263 flags were invalidated.
4265 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4267 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4268 instead of SF operands.
4269 (*fop_df_comm_sse): Likewise.
4270 (*fop_df_comm_i387): Likewise.
4271 (*fop_df_1_mixed): Likewise.
4272 (*fop_df_1_sse): Likewise.
4274 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4275 J"orn Rennecke <joern.rennecke@st.com>
4277 PR tree-optimization/17506
4278 * tree-ssa.c (warn_uninit): If warning about a location outside of
4279 the current function, note where the variable was declared.
4281 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4283 PR tree-optimization/28411
4284 * double-int.c (double_int_div): Use double_int_divmod.
4285 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4286 double_int_mod, double_int_smod, double_int_umod): New functions.
4287 * double-int.h (double_int_divmod, double_int_sdivmod,
4288 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4290 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4292 (get_computation_aff, get_computation_cost_at): Handle double_int
4293 return type of constant_multiple_of.
4295 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4298 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4299 an implicit conversion.
4301 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4303 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4305 2006-08-27 Roger Sayle <roger@eyesopen.com>
4307 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4310 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4312 * config/i386/crtfastmath.c: Fix a comment typo.
4314 2006-08-26 Roger Sayle <roger@eyesopen.com>
4316 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4317 temporary visit flags on CASE_LABEL_EXPRs.
4318 * c-common.c (match_case_to_enum): Add function comment. Avoid
4319 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4320 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4321 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4322 a constant, only warn if that constant value isn't handled.
4324 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4327 * input.h (restore_input_file_stack): Declare.
4328 (INPUT_FILE_STACK_BITS): Define.
4329 * toplev.c (fs_p, input_file_stack_history,
4330 input_file_stack_restored, restore_input_file_stack): New.
4331 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4332 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4333 (pop_srcloc): Don't free old state of stack.
4335 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4338 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4339 (PowerPC Type Attributes): New.
4341 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4343 * config/xtensa/xtensa.c (function_arg_boundary): New.
4344 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4346 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4347 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4349 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4352 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4355 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4357 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4358 (verify_local_live_at_start): Likewise.
4360 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4363 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4364 omp_add_variable): Treat sizes as variable whenever not
4367 2006-08-26 Richard Guenther <rguenther@suse.de>
4370 * fold-const.c (fold_binary): Fold temporary to correct
4371 type before constructing new comparison.
4373 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4376 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4377 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4379 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4382 * c-decl.c (start_function): Don't try to process prototype
4383 information from old declaration that isn't a function.
4385 2006-08-25 Jan Hubicka <jh@suse.cz>
4388 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4390 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4393 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4396 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4398 PR tree-optimization/16876
4399 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4400 exit if PARM doesn't match VALUE.
4402 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4404 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4405 literal_prefix directive.
4406 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4407 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4408 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4410 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4413 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4414 predicate to general_operand. Add 0->y and I->r alternatives.
4416 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4418 * doc/tm.texi: Fix a typo.
4419 * predict.c: Fix comment typos.
4421 2006-08-25 Nick Clifton <nickc@redhat.com>
4423 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4424 assertions of "cpu" and "machine".
4426 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4429 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4430 the access through a base which has an alias set of 0 cannot
4433 2006-08-24 Bill Wendling <wendling@apple.com>
4435 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4437 2006-08-24 Jan Hubicka <jh@suse.cz>
4439 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4441 2006-08-24 Jan Hubicka <jh@suse.cz>
4444 * cgraph.c: Fix comments.
4445 (cgraph_varpool_mark_needed_node): Mark only variables not already
4447 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4448 (cgraph_varpool_assembled_nodes_queue): New static variable.
4449 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4450 (cgraph_varpool_output_debug_info): New function.
4451 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4452 * Makefile.in: Add gt-cgraphunit.h
4454 2006-08-24 Jan Hubicka <jh@suse.cz>
4456 * predict.c (probability_reliable_p): New predicate.
4457 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4458 (predict_loops): Do not predict loop exit with less than 2%
4460 * basic-block.h (edge_probability_reliable_p,
4461 br_prob_note_reliable_p): Declare.
4462 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4463 prediction when static predictor is not reliable.
4464 * rs6000.c (output_cbranch): Likewise.
4466 2006-08-23 Stuart Hastings <stuart@apple.com>
4469 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4470 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4472 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4475 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4476 complex values, nor for generic vector values.
4478 2006-08-22 Richard Guenther <rguenther@suse.de>
4481 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4482 parameter. Convert arguments to arithmetic expression to the
4484 (analyze_scalar_evolution_1): Adjust caller.
4486 2006-08-22 Jan Hubicka <jh@suse.cz>
4488 Patch by Paolo Bonzini
4489 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4492 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4494 PR tree-optimization/28003
4495 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4496 before grouping aliases.
4498 2006-08-22 Roger Sayle <roger@eyesopen.com>
4500 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4501 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4503 2006-08-21 Jason Merrill <jason@redhat.com>
4506 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4507 wrapper. Loop to handle nested wrappers.
4508 (gimplify_bind_expr): Remove temp parameter.
4509 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4510 and STATEMENT_LIST on the rhs.
4511 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4512 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4513 (gimplify_target_expr): Remove special BIND_EXPR handling.
4515 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4517 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4520 2006-08-21 Olivier Hainque <hainque@adacore.com>
4522 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4523 Arrange for the temporary captures of components overlapping the lhs
4524 to happen before the lhs is possibly cleared.
4526 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4528 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4529 necessary places to pass the correct "number of registers" values
4532 2006-08-20 Jan Hubicka <jh@suse.cz>
4534 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4535 (create_name_tags): Instead of quadratic checking use hashtable.
4536 * bitmap.h: Include hashtab.h.
4537 (bitmap_hash): Declare.
4538 * bitmap.c (bitmap_hash): New function.
4540 2006-08-20 Jan Hubicka <jh@suse.cz>
4542 PR rtl-optimization/28071
4543 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4545 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4546 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4547 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4548 cgraph_decide_inlining_incrementally): Update use of
4549 cgraph_check_inline_limits.
4550 * cgraph.c (edge_hash, edge_eq): New function.
4551 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4552 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4553 cgraph_remove_node): Maintain call site hash.
4554 * cgraph.h (struct cgraph_node): Add call_site_hash.
4555 (cgraph_set_call_stmt): New function.
4557 2006-08-20 Jan Hubicka <jh@suse.cz>
4559 PR rtl-optimization/28071
4560 * reload1.c (reg_has_output_reload): Turn into regset.
4561 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4562 choose_reload_regs, emit_reload_insns): Update to new
4563 reg_has_output_reload.
4565 2006-08-20 Jan Hubicka <jh@suse.cz>
4568 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4569 function body sizes.
4570 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4572 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4575 * tree.c (handle_dll_attribute): Return early if not a
4576 var or function decl.
4578 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4581 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4582 alignment of SPE vector types.
4584 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4586 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4588 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4591 * cgraph.h (struct cgraph_node): Remove externally_visible
4593 * cgraphunit.c (process_function_and_variable_attributes): Set
4594 local.externally_visible rather than externally_visible.
4597 * c-common.c (handle_externally_visible_attribute): First look
4598 at TREE_CODE and only if it is function or var decl, check for
4599 non-public objects. Don't warn for DECL_EXTERNAL.
4600 * cgraphunit.c (process_function_and_variable_attributes): Warn
4601 if externally_visible attribute is used on non-public object.
4603 2006-08-17 Jan Hubicka <jh@suse.cz>
4605 PR tree-optimization/27865
4606 * reload1.c (forget_marked_reloads): New function.
4607 (forget_old_reloads_1): When data are passed, just mark the registers
4609 (reload_as_needed): Use the new mechanizm.
4611 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4614 * reload.h (reg_equiv_alt_mem_list): New declaration.
4615 * reload1.c (reg_equiv_alt_mem_list): New definition.
4616 (reload): Initialize it and release it.
4617 (delete_output_reload): Use it.
4618 * reload.c (push_reg_equiv_alt_mem): New function.
4619 (find_reloads_toplev): Call it.
4620 (find_reloads_address, find_reloads_address_1): Likewise.
4621 (find_reloads_subreg_address): Likewise.
4623 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4625 PR rtl-optimization/28489
4626 * sched-ebb.c (begin_schedule_ready): Create basic block
4628 (advance_target_bb): Skip empty blocks.
4629 * haifa-sched.c (bb_note): Make global.
4630 * sched-int.h (bb_note): Add prototype.
4632 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4634 PR tree-optimization/27865
4635 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4637 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4638 fold_used_pointer, pointer_used_p): New functions.
4639 (analyze_scalar_evolution_1): Use fold_used_pointer.
4640 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4641 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4644 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4647 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4648 or the INTEGER_CST. Fail on a CALL_EXPR.
4649 (fold_offsetof): Pass new argument to fold_offsetof_1.
4650 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4651 operand into an INDIRECT_REF.
4652 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4654 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4656 PR gcov/profile/26570
4657 * value-prof.c (static_values): Removed.
4658 (tree_find_values_to_profile): Do not set static_values.
4659 (find_values_to_profile): Do not free static_values.
4660 * profile.c (instrument_values): Do not free the values.
4661 (branch_prob): Free the values.
4663 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4665 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4667 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4670 * c-typeck.c (build_component_ref): Combine qualifiers of
4671 structure or union and field.
4673 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4675 PR rtl-optimization/28071
4676 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4677 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4678 * tree-into-ssa.c (struct dom_dfsnum): New.
4679 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4681 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4682 compute_global_livein.
4683 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4684 in phi nodes in the correct blocks.
4686 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4688 PR tree-optimization/28364
4689 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4691 (fold_affine_expr): New function.
4692 (may_eliminate_iv): Use fold_affine_expr.
4694 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4697 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4700 2006-08-16 Mike Stump <mrs@apple.com>
4702 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4703 * doc/cppopts.texi (-MD): Likewise.
4705 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4708 * c-common.c (handle_weak_attribute): Ignore and warn if
4709 not a FUNCTION_ or VAR_DECL.
4711 2006-07-15 Mike Stump <mrs@apple.com>
4714 * c-parser.c (c_parser_typeof_specifier): Don't use
4715 c_finish_expr_stmt, open code desired semantics instead.
4717 2006-08-15 Nick Clifton <nickc@redhat.com>
4719 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4720 fragment to tmake_file only if threads are enabled.
4721 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4722 * config/i386/t-gthr-win32: New file. ... here.
4724 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4727 * c-parser.c (c_parser_compound_statement_nostart): Reset
4728 parser->error after each statement.
4730 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4733 * omp-low.c (lower_omp_parallel): Convert t to
4734 receiver_decl's type.
4735 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4736 source before comparison.
4739 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4740 to itype in assignment to oldival2.
4742 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4746 * c-typeck.c (build_compound_expr): If the second expression
4747 is an error mark, then just return an error mark instead of
4748 creating a COMPOUND_EXPR.
4750 2006-07-14 Mike Stump <mrs@apple.com>
4752 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4754 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4756 * c-decl.c, var-tracking.c: Fix comment typos.
4758 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4760 PR rtl-optimization/28634
4761 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4762 for floating-point modes unless flag_unsafe_math_optimizations.
4764 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4765 Andrew Pinski <pinskia@physics.uc.edu>
4768 * tree.c (build_array_type): Unify array types with
4769 unspecified index_type.
4770 * c-decl.c (grokdeclarator): Make sure we do not modify a
4771 unified incomplete array type.
4772 * c-typeck.c (store_init_value): Create distinct type before
4773 filling in the index type in an initializer from a compound
4776 * c-decl.c (grokdeclarator): Remove code where we copy the
4779 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4781 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4782 into account for TODO_dump_cgraph.
4783 (TODO_update_ssa_no_phi): Likewise.
4784 (TODO_update_ssa_full_phi): Likewise.
4785 (TODO_update_ssa_only_virtuals): Likewise.
4786 (TODO_remove_unused_locals): Likewise.
4787 (TODO_set_props): Likewise.
4788 (TODO_update_stmt_usage): Likewise.
4790 2006-08-13 Dirk Mueller <dmueller@suse.de>
4792 * c-common.c (strict_aliasing_warning): Fix formatting.
4794 2006-08-13 Matthias Klose <doko@debian.org>
4796 * doc/invoke.texi: Fix spelling errors.
4798 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4800 PR rtl-optimization/23454
4801 * reorg.c (relax_delay_slots): Update comment.
4803 2006-08-11 Richard Guenther <rguenther@suse.de>
4806 * simplify-rtx.c (simplify_const_relational_operation):
4807 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4810 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4812 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4813 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4815 2006-08-10 Paul Brook <paul@codesourcery.com>
4817 * final.c (final_scan_insn): Clear current_insn_predicate before
4818 outputting inline asm.
4820 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4822 PR tree-optimization/26197
4823 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4824 get_ref_base_and_extent and overlap_subvar to add only relevant
4825 subvars as may-aliases.
4826 (add_may_alias_for_new_tag): New function, factored out of
4828 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4829 with additional argument.
4830 * tree-flow.h (new_type_alias): Takes additional argument.
4832 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4834 * gcov.c (no_data_file): New flag.
4835 (read_count_file): Set it if data file not present. Assume counts
4837 (output_lines): Don't name the data file, if there wasn't one.
4839 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4841 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4842 (rs6000_generate_compare): Tweak comments.
4843 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4845 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4847 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4848 (var_debug_decl): New function.
4849 (var_reg_set): Follow debug decl link. Add location even if
4850 reg is already known to hold some other variable.
4851 (var_mem_set): Follow debug decl link.
4852 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4853 decl link. Delete other known locations of the variable part
4855 (var_reg_delete, var_mem_delete): Delete other known locations
4856 of the variable part if requested.
4857 (same_variable_part_p): New function.
4858 (add_stores): Select MO_COPY when appropriate.
4859 (vt_initialize): Handle it.
4860 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4861 known locations for MO_SET and MO_CLOBBER.
4862 (find_variable_location_part): New function.
4863 (set_variable_part, delete_variable_part): Use it.
4864 (clobber_variable_part): New function.
4865 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4868 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4870 PR tree-optimization/26969
4871 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4872 with an empty list of PHIs.
4874 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4878 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4881 2006-08-06 Andreas Schwab <schwab@suse.de>
4883 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4884 string. Whitespace and comment fixup.
4886 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4889 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4893 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4896 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4898 2006-08-04 Jan Hubicka <jh@suse.cz>
4902 * reload.c (push_reload): Patch out the mismatching instruction;
4904 (find_reload): Bail out if the instruction was patched out.
4906 2006-08-04 Jan Hubicka <jh@suse.cz>
4908 PR tree-optimization/24888
4909 * tree-inline.c (expand_call_inline): Do not re-record variables.
4910 (declare_inline_vars): Add variable to unexpanded_var_list.
4912 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4913 Roger Sayle <roger@eyesopen.com>
4915 PR rtl-optimization/26244
4916 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4917 inner_const are negative or greater than or equal to the bitsize of
4918 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4919 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4920 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4921 CONST0_RTX (mode) when the new shift count is greater than or equal to
4922 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4925 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4927 * tree-cfg.c: Fix a comment typo.
4929 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4932 * varasm.c (output_constant): Give the front end another chance to
4933 expand constants, after stripping NOPs.
4935 2006-08-03 Jan Hubicka <jh@suse.cz>
4937 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4940 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4942 PR tree-optimization/27770
4943 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4944 declaration removed (moved to tree-flow.h).
4945 (vect_can_force_dr_alignment_p): Likewise.
4946 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4947 (moved from tree-vectorizer.h).
4948 (vect_can_force_dr_alignment_p): Likewise.
4949 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4950 from outside the vectorizer - in particular from cgraph stage.
4951 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4952 the alignment of global arrays when -fsection-anchors is enabled.
4953 * cgraphunit.c (cgraph_increase_alignment): New function.
4954 (cgraph_optimize): Call cgraph_increase_alignment.
4956 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4959 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4960 not reload a SPE symbol_ref into a lo_sum address.
4962 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4965 * dwarf2out.c (prune_unused_types_prune): Move call to
4966 prune_unused_types_update_strings to cover the parent DIE also.
4968 2006-08-02 Jan Hubicka <jh@suse.cz>
4970 PR gcov/profile/28480
4971 * tree-cfg.c (change_bb_for_stmt): New function.
4972 (tree_merge_blocks, tree_split_blocks): Use it.
4974 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4980 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4981 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4982 (cgraph_optimize): Likewise.
4984 2006-08-01 Stuart Hastings <stuart@apple.com>
4986 * rtl.h (UINTVAL) New.
4987 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4988 * testsuite/gcc.dg/20060801-1.c: New.
4990 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4993 * c-typeck.c (build_external_type): Mark used enum types.
4994 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4996 (gen_subprogram_die): Whitespace fix.
4998 2006-08-01 Jan Hubicka <jh@suse.cz>
5000 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5001 bitmap when not needed.
5002 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5005 2006-08-01 Dirk Mueller <dmueller@suse.de>
5007 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5009 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5011 * Makefile.in: Revert part of previous patch:
5012 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5015 2006-07-30 Eric Christopher <echristo@apple.com>
5018 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5019 (PowerPC Variable Attributes): New section.
5021 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5023 PR target/28126 (partial fix)
5024 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5026 2006-07-28 Jan Hubicka <jh@suse.cz>
5028 PR rtl-optimization/28071
5029 * cfgrtl.c (rtl_delete_block): Free regsets.
5030 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5032 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5034 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5035 and variables used in dependencies.
5037 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5039 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5040 %fs for -mcmodel=kernel.
5041 (stack_tls_protect_test_di): Likewise.
5043 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5045 * Makefile.in: Use mkinstalldirs.
5047 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5050 * opts-common.c (prune_options): Skip joined switches.
5052 2006-07-27 Jan Hubicka <jh@suse.cz>
5054 PR rtl-optimization/28071
5055 * cselib.c (cselib_process_insn): Don't remove useless values too
5056 often for very large hashtables.
5058 2006-07-27 Jan Hubicka <jh@suse.cz>
5060 PR rtl-optimization/28071
5061 * global.c (greg_obstack): New obstack.
5062 (allocate_bb_info): Use it.
5063 (free_bb_info): Likewise.
5064 (modify_reg_pav): Likewise.
5066 2006-07-27 Roger Sayle <roger@eyesopen.com>
5068 * builtins.c (fold_fixed_mathfn): When long and long long are the
5069 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5070 functions to their lceil*, lfloor*, lround* and lrint* forms.
5072 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5075 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5077 (rev_branch_insn): Likewise.
5079 2006-07-27 Jan Hubicka <jh@suse.cz>
5081 PR rtl-optimization/28071
5082 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5083 (reg_set_in_bb, max_reg_computed): New static variables.
5084 (regmove_optimize): Free the new array.
5085 (fixup_match_1): Update call of reg_is_remote_constant_p.
5087 2006-07-26 Jan Hubicka <jh@suse.cz>
5089 PR tree-optimization/27882
5090 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5092 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5094 (cgraph_analyze_compilation_unit): Likewise.
5095 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5096 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5097 (cgraph_early_inlinine): Make order garbage collected.
5098 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5100 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5102 * dbxout.c (output_types_sort): Add a comment.
5103 (output_used_types): Free the VEC.
5105 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5107 * function.c (reorder_fix_fragments): Delete.
5108 (reorder_blocks): Don't call it.
5109 (reorder_blocks_1): Put all subblocks under the origin block.
5111 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5113 PR rtl-optimization/27907
5114 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5117 2006-07-25 Roger Sayle <roger@eyesopen.com>
5120 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5121 bar(x) check that bar's result type can represent all the values of T.
5123 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5125 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5127 2006-07-25 Nick Clifton <nickc@redhat.com>
5129 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5130 size_lookup[] array.
5131 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5132 (ggc_pch_count_object): Likewise.
5133 (ggc_pch_alloc_object): Likewise.
5134 (ggc_pch_write_object): Likewise.
5135 (init_ggc): Do not attempt to initialize entries in the
5136 size_lookup[] array for objects whose size is greater than than
5137 the length of the array.
5139 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5141 * dbxout.c (output_used_types_helper): Push queued types
5143 (output_types_sort): New.
5144 (output_used_types): Collect used types on a VEC and sort them
5147 2006-07-24 Richard Guenther <rguenther@suse.de>
5150 * cgraph.c (cgraph_remove_node): Do not check if dumps
5152 * cgraphunit.c (cgraph_optimize): Likewise.
5154 2006-07-24 Jan Hubicka <jh@suse.cz>
5156 PR rtl-optimization/28071
5157 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5158 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5159 splitting before first stmt.
5161 2006-07-24 Jan Hubicka <jh@suse.cz>
5163 PR rtl-optimization/28071
5164 * ipa-inline.c (update_caller_keys): Remove edges that
5165 are no longer inline candidates.
5167 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5170 * dbxout.c (output_used_types_helper, output_used_types): New.
5171 (dbxout_symbol): Call output_used_types.
5173 2006-07-23 Jan Hubicka <jh@suse.cz>
5177 * cgraph.c (cgraph_varpool_nodes): Export.
5178 (decide_is_variable_needed): Ignored "used" attribute in
5179 unit-at-a-time mode.
5180 * cgraph.h (cgraph_varpool_nodes): Declare.
5181 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5182 unit-at-a-time mode.
5184 2006-07-23 Roger Sayle <roger@eyesopen.com>
5187 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5188 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5189 the __gthrw form of thr_keycreate.
5190 (__gthread_key_delete): Silence the unused argument warning.
5192 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5195 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5196 Cache the last found '\0' marker to avoid quadratic behavior.
5198 2006-07-23 Jan Hubicka <jh@suse.cz>
5200 * i386.md (subsi_3_zext): Fix output template.
5202 2006-07-21 Mike Stump <mrs@apple.com>
5204 * doc/invoke.texi (C++ Dialect Options): Note that
5205 -fvisibility-inlines-hidden doesn't affect explicitly
5206 instantiationed inline methods.
5208 2006-07-20 Roger Sayle <roger@eyesopen.com>
5210 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5211 if the target assembler is GNU binutils' gas.
5212 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5213 whether to pass GNU gas or native as command line options.
5215 2006-07-20 Jason Merrill <jason@redhat.com>
5217 * tree.c (remove_attribute): New fn.
5218 * tree.h: Declare it.
5220 2006-07-20 Paul Brook <paul@codesourcery.com>
5223 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5224 they are invalidated by this instruction.
5226 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5229 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5231 2006-07-20 Eric Christopher <echristo@apple.com>
5234 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5236 2006-07-19 Eric Christopher <echristo@apple.com>
5238 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5239 Rewrite dependencies for libgcc_s.1.dylib.
5241 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5243 * except.c (duplicate_eh_regions_1): Clear next_peer.
5245 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5247 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5248 -mlongcall does not guarantee all calls will be long.
5249 * doc/extend.texi (long_call/short_call): Document that longcall
5250 does not guarantee a long call will be used.
5251 (longcall/shortcall): Likewise.
5253 2006-07-18 Roger Sayle <roger@eyesopen.com>
5256 * expmed.c (expand_shift): Additionally check that the shift_cost
5257 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5258 before implementing a LSHIFT_EXPR as a sequence of additions.
5259 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5260 middle-end that DImode shifts need to be synthesized by expand.
5262 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5265 * tree-ssa-operands.c (access_can_touch_variable): Update
5267 Return true if ALIAS is .GLOBAL_VAR.
5269 2006-07-18 David Daney <ddaney@avtrex.com>
5271 * gcc.c (display_help): Fix typo in help text.
5273 2006-07-18 Olivier Hainque <hainque@adacore.com>
5275 * tree.h (categorize_ctor_elements): Adjust prototype and add
5276 descriptive comment, both in accordance with the interface change
5278 * varasm.c (constructor_static_from_elts_p): New function.
5279 Whether a constructor node is a valid static constant initializer
5280 if all its elements are.
5281 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5282 * output.h: Declare it.
5283 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5284 is a valid constant initializer instead of computing the number of
5285 non-constant elements. Use constructor_static_from_elts_p for this
5286 purpose. Replace the head comment with an indication that this is a
5287 helper for categorize_ctor_elements.
5288 (categorize_ctor_elements): Same interface change as for the _1
5289 helper. Former head comment from this helper moved here, adjusted to
5290 account for the interface changes.
5291 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5292 (all_zeros_p): Likewise.
5293 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5294 static versions of the constructor from the categorize_ctor_elements
5295 return value instead of the formerly computed number of non-constant
5298 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5300 * configure: Regenerate.
5301 * Makefile.in (build_libsubdir): New configure substitution
5302 (build_libobjdir): New variable.
5303 (BUILD_LIBIBERTY): Use it.
5305 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5308 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5310 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5313 * c-common.c (handle_weakref_attribute): Ignore attribute in
5314 the same conditions the alias attribute is ignored.
5316 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5318 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5319 (dbxout_begin_prologue): Increment scope_labelno.
5321 2006-07-17 Richard Henderson <rth@redhat.com>
5324 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5327 2006-07-17 Roger Sayle <roger@eyesopen.com>
5328 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5330 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5331 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5332 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5333 functions such as sbrk, write, etc.. Add function prototypes.
5334 Convert function declarations from K&R to ISO C. Cast pointers
5335 to "long" and "unsigned long" instead of "int" and "unsigned int".
5336 Convert tokens following #endif into comments.
5338 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5340 * invoke.texi: Remove mention of f77; Reformat table for
5341 inline parameter options correctly; mention that -malign-double
5342 is default on x86-64 targets.
5344 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5346 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5347 (convert_affine_scev, chrec_convert_aggressive): Use
5348 avoid_arithmetics_in_type_p. Do not check for the subtypes
5351 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5354 * optabs.c (expand_doubleword_shift): Wrap the call to
5355 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5357 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5360 * optabs.c (expand_binop): Pass next_methods rather than methods
5361 to expand_doubleword_shift.
5363 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5366 * tree.h (dump_addr): Declare.
5367 * print-tree.c (dump_addr): New function.
5368 (print_node_brief, print_node): Use it.
5369 * print-rtl.c (print_rtx): Likewise.
5370 * common.opt (-fdump-noaddr): New option.
5371 * doc/invoke.texi (-fdump-noaddr): Document.
5372 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5373 (ve_info_hash): Likewise.
5375 2006-07-13 Andrew Haley <aph@redhat.com>
5377 PR tree-optimization/19505
5378 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5379 edge leaving this block, make sure that the destination of this
5380 block has only one predecessor.
5382 2006-07-17 Richard Guenther <rguenther@suse.de>
5384 PR tree-optimization/28238
5385 * tree-inline.c (copy_bb): Check if we produced valid
5386 gimple copying and substituting a stmt. If not, gimplify
5389 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5391 * optabs.c (maybe_encapsulate_block): New function extracted from...
5392 (emit_libcall_block): ...here. Invoke it on the block of insns to
5393 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5394 (emit_no_conflict_block): Likewise.
5396 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5398 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5400 2006-07-15 Roger Sayle <roger@eyesopen.com>
5402 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5403 a new NOP_EXPR case of the switch statement.
5405 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5408 * stor-layout.c (place_field): Take the bit field with
5409 an excessive size into account in the ms-bitfiled case.
5412 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5413 the previous bit field.
5415 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5418 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5420 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5422 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5423 signal frames correctly even when the signal was installed with
5426 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5428 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5429 (dbxout_function_end): Use local label LFBB. Remove hook
5431 (dbxout_source_line): Use local label LFBB.
5432 (dbxout_block): Likewise.
5433 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5434 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5435 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5436 and DBX_OUTPUT_NFUN.
5438 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5440 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5442 2006-07-13 Jan Hubicka <jh@suse.cz>
5444 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5446 * output.h (align_variable): Declare.
5447 * varasm.c (align_variable): Export.
5448 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5449 when basic block changed.
5451 2006-07-13 Nick Clifton <nickc@redhat.com>
5453 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5454 walking the LOG_LINKS chain.
5456 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5458 * doc/invoke.texi (C++ Dialect Options): Explain difference
5459 between -fvisibility-inlines-hidden and setting hidden
5460 visibility explicitly.
5462 2006-07-12 Eric Christopher <echristo@apple.com>
5464 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5465 (stmp-lipo): Depend on libgcc.a.
5467 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5469 * tree.c: Fix a comment typo.
5471 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5473 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5475 (umulhisi3_r): Likewise.
5477 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5480 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5481 x < 19, vs wchar_t support.
5483 2006-07-12 Nick Clifton <nickc@redhat.com>
5485 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5486 instead of -isa=sh4.
5488 2006-07-12 Mike Stump <mrs@apple.com>
5490 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5492 2006-07-10 Eric Christopher <echristo@apple.com>
5494 * config/t-slibgcc-darwin: Rewrite.
5496 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5499 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5502 2006-07-08 Matthias Klose <doko@debian.org>
5504 * doc/sourcebuild.texi: Fix typo.
5506 2006-07-07 Mike Stump <mrs@apple.com>
5508 * toplev.c (process_options): Don't give -ffunction-sections may
5509 affect debugging warning for Mach-O.
5511 2006-07-07 James E Wilson <wilson@specifix.com>
5513 * config/mips/mips.md (cpu): Add sb1a.
5514 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5515 addition to sb1. Adjust comments to clarify SB-1A differences from
5517 (ir_sb1a_load): New. Modify bypasses to use it.
5518 (ir_sb1a_simple_alu): Likewise.
5519 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5520 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5521 (mips_issue_rate): Add PROCESSOR_SB1A.
5522 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5523 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5524 (TARGET_SB1): Add PROCESSOR_SB1A check.
5525 (TUNE_SB1): Likewise.
5527 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5528 * config/mips/mips.c (mips_store_data_bypass_p): New.
5529 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5530 store_data_bypass_p.
5532 2006-07-08 Paul Brook <paul@codesourcery.com>
5535 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5537 2006-07-07 Richard Guenther <rguenther@suse.de>
5540 * tree.h (build_one_cst): Declare.
5541 * tree.c (build_one_cst): New function.
5542 * tree-ssa-math-opts.c (get_constant_one): Remove.
5543 (insert_reciprocals): Use build_one_cst.
5544 * fold-const.c (fold_plusminus_mult): Likewise.
5546 2006-07-07 Roger Sayle <roger@eyesopen.com>
5548 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5549 * cfgloopanal.c (dump_graph): Likewise.
5550 * dojump.c (discard_pending_stack_adjust): Likewise.
5551 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5553 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5554 * function.c (finalize_block_changes): Likewise.
5555 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5556 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5557 * rtl.c (dump_rtx_statistics): Likewise.
5558 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5560 * varray.c (dump_varray_statistics): Likewise.
5561 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5562 decode_decimal64, encode_decimal128, decode_decimal128,
5563 decimal_real_to_decimal): Likewise.
5565 2006-07-07 Richard Guenther <rguenther@suse.de>
5567 PR tree-optimization/28187
5568 * tree-vrp.c (vrp_operand_equal_p): New function.
5569 (vrp_bitmap_equal_p): Likewise.
5570 (update_value_range): Use them to compare old and new
5573 2006-07-06 Roger Sayle <roger@eyesopen.com>
5575 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5576 a default case to switch statement to silence compiler warnings.
5578 2006-07-06 Roger Sayle <roger@eyesopen.com>
5581 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5582 the configured assembler supports the x87's ffreep mnemonic.
5583 * configure: Regenerate.
5584 * config.in: Regenerate.
5586 * config/i386/i386.c (output_387_ffreep): New function.
5587 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5588 (output_387_reg_move): Likewise.
5590 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5592 Port to hosts whose 'sort' and 'tail' implementations
5593 treat operands with leading '+' as file names, as POSIX
5594 has required since 2001. However, make sure the code still
5595 works on pre-POSIX hosts.
5596 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5597 which says you should use "tail -c +N" rather than "tail +Nc".
5598 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5600 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5602 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5605 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5608 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5609 PRE_{INC,DEC} of TFmode.
5611 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5612 Alan Modra <amodra@bigpond.net.au>
5615 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5618 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5621 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5622 Remove duplicate gtu.
5624 2006-07-05 Jason Merrill <jason@redhat.com>
5628 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5629 * c-common.c (handle_packed_attribute): So don't copy it here.
5630 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5632 2006-07-05 Mike Stump <mrs@apple.com>
5634 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5636 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5639 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5641 2006-07-05 Richard Guenther <rguenther@suse.de>
5644 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5645 TARGET_SSE2 targets if using SSE math.
5646 (*absdf2_1): Likewise.
5648 2006-07-05 Richard Guenther <rguenther@suse.de>
5650 PR tree-optimization/28162
5651 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5652 make sure to convert the operands to the correct type.
5654 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5656 PR tree-optimization/28218
5658 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5659 to calculate and free the dominator information.
5661 2006-07-04 Peter O'Gorman <peter@pogma.com>
5663 * mklibgcc.in: chmod 644 before ranlib during install.
5665 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5666 J"orn Rennecke <joern.rennecke@st.com>
5668 * configure.ac (.eh_frame data check): Use diff -b.
5670 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5673 * Makefile.in (BUILD_RTL): Add build/vec.o.
5674 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5675 (build/genextract): Delete.
5676 (build/genautomata): Likewise.
5678 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5681 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5682 128-bit IBM long doubles for ABI_V4.
5684 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5686 * tree.c (range_in_array_bounds_p): New predicate.
5687 * tree.h (range_in_array_bounds_p): Declare it.
5688 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5689 return a less conservative answer.
5690 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5691 and flag 'is_group'.
5692 (IS_ELEMENT_FOR_GROUP): New macro.
5693 (FOR_EACH_ACTUAL_CHILD): Likewise.
5694 (next_child_for_group): New helper function.
5695 (can_completely_scalarize_p): Take into account groups.
5696 (sra_hash_tree): Handle RANGE_EXPR.
5697 (sra_elt_eq): Likewise.
5698 (lookup_element): Be prepared for handling groups.
5699 (is_valid_const_index): Delete.
5700 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5701 instead of is_valid_const_index.
5702 <ARRAY_RANGE_REF>: New case.
5703 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5704 is_valid_const_index.
5705 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5706 (scan_dump): Dump info for groups too.
5707 (decide_instantiation_1): Likewise.
5708 (decide_block_copy): Assert that the element is not a group.
5709 Propagate decision to groups.
5710 (generate_one_element_ref): Handle RANGE_EXPR.
5711 (mark_no_warning): Iterate over actual childs.
5712 (generate_copy_inout): Likewise.
5713 (generate_element_copy): Likewise.
5714 (generate_element_zero): Likewise.
5715 (generate_element_init_1): Likewise.
5716 (dump_sra_elt_name): Handle RANGE_EXPR.
5718 2006-07-03 Roger Sayle <roger@eyesopen.com>
5720 PR tree-optimization/26251
5721 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5722 (thread_block): When optimizing for size refuse to thread jumps
5723 that would require duplication of blocks other than redirection
5726 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5728 * configure.ac: Fix thinko in previous check-in.
5729 * configure: Regenerate.
5731 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5734 * configure.ac (for lang...): Simplify nesting of conditionals.
5735 Test subdir_requires for non-enabled languages. Move processing
5736 of lang_opt_files and lang_tree_fiels below that test.
5737 * configure: Regenerate.
5738 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5740 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5742 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5744 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5746 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5749 2006-06-29 Jason Merrill <jason@redhat.com>
5756 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5757 * c-common.c (c_determine_visibility): Handle it here.
5758 * c-decl.c (finish_decl): Call c_determine_visibility for
5760 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5762 * varasm.c (default_assemble_visibility): Likewise.
5763 * c-common.c (handle_visibility_attribute): Complain about trying
5764 to give visibility to an already defined class, or trying to change
5765 declared visibility. Always attach the attribute.
5770 * attribs.c (decl_attributes): Ignore type-in-place attributes
5771 once the type has been defined.
5773 2006-06-29 Roger Sayle <roger@eyesopen.com>
5776 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5777 to indicate the cpplib has issued an error message for us.
5779 2006-06-29 Asher Langton <langton2@llnl.gov>
5782 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5783 insert a label at the end of an function under Mach-O.
5785 2006-06-29 Eric Christopher <echristo@apple.com>
5786 Evan Cheng <evan.cheng@apple.com>
5788 * predicates.md (vector_all_ones_operand): New.
5789 (nonimmediate_or_sse_const_operand): Ditto.
5790 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5791 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5792 (standard_sse_mode_p): Ditto.
5793 (standard_sse_constant_p): Add case for -1 vector.
5794 (ix86_expand_vector_move): Try to use.
5795 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5796 Call standard_sse_constant_opcode.
5797 (*movv4sf_internal): Ditto.
5798 (*movv2df_internal): Ditto.
5800 2006-06-29 Roger Sayle <roger@eyesopen.com>
5802 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5803 of XEXP to extract the operands of a MATCH_CODE rtx.
5805 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5807 * tree.c (tree_size): Do not waste tail padding in
5808 struct tree_string and make the size be the same as
5809 build_string will generate.
5811 2006-06-28 Jason Merrill <jason@redhat.com>
5814 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5815 may_aliases already in the tag's annotations to the bitmap.
5817 2006-06-28 Roger Sayle <roger@eyesopen.com>
5819 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5821 2006-06-28 Roger Sayle <roger@eyesopen.com>
5823 * genpreds.c (generate_switch_p): New function.
5824 (add_mode_tests): Push the new mode test down inside an AND expr
5825 if this allows the switch-suitable MATCH_CODE to be near the root.
5826 (write_match_code_switch): New function to write a MATCH_CODE as
5828 (write_predicate_stmts): New function to write a predicate RTX
5829 expression as a sequence of statements.
5830 (write_one_predicate_function): Use write_predicate_stmts.
5831 (write_tm_constrs_h): Likewise.
5833 2006-06-26 Fred Fish <fnf@specifix.com>
5835 * config/mips/t-sb1: New file.
5836 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5839 2006-06-26 DJ Delorie <dj@redhat.com>
5841 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5843 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5844 Jayant Sonar <jayants@kpitcummins.com>
5845 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5847 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5848 (subsi3, subsi3_1, subsi3_2): New.
5849 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5850 * config/m32c/mov.md (SI mov peephole): New.
5851 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5852 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5854 2006-06-26 Olivier Hainque <hainque@adacore.com>
5856 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5857 a CALL_EXPR target function declaration.
5859 2006-06-26 Richard Guenther <rguenther@suse.de>
5861 * tree.c (build_string): Do not waste tail padding in
5864 2006-06-26 Richard Guenther <rguenther@suse.de>
5866 * ggc-page.c (init_ggc): Add missing element to size_lookup
5870 2006-06-23 Richard Guenther <rguenther@suse.de>
5872 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5873 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5874 alignment requests instead. Add verification code.
5875 Add struct tree_function_decl and struct tree_binfo size to
5876 extra_order_size_table. Add missing element to size_lookup
5879 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5882 * fold-const.c (const_binop): Be prepared for self returning zero.
5883 Simplify code handling complex values.
5885 2006-06-24 Olivier Hainque <hainque@adacore.com>
5887 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5888 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5891 2006-06-24 Olivier Hainque <hainque@adacore.com>
5893 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5894 ARRAY_REF, so have the callback called for the low bound expression.
5896 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5898 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5899 * c-typeck.c (c_common_type): Disallow operations on decimal float
5900 types and other float types.
5901 * convert.c (convert_to_real): Don't ignore conversions involving
5902 decimal float types.
5904 2006-06-23 Olivier Hainque <hainque@adacore.com>
5906 * tree.c (max_int_size_in_bytes): New function, inspired from
5907 code in function.c:assign_temp.
5908 * tree.h (max_int_size_in_bytes): Declare.
5909 * function.c (assign_temp): Use it.
5910 * gimplify.c (create_tmp_var): Relax the assertions on the type
5911 properties, not mandating constant size any more.
5912 (force_constant_size): New static function.
5913 (gimple_add_tmp_var): Use it, forcing variable size to a
5914 constant upper bound if it is not constant on entry.
5916 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5919 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5920 for initialization and setting of one_only flag to ...
5921 (i386_pe_encode_section_info): ...here.
5922 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5923 Recheck that the symbol has not been defined.
5925 2006-06-23 Richard Guenther <rguenther@suse.de>
5927 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5928 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5929 alignment requests instead. Add verification code.
5930 Add struct tree_function_decl and struct tree_binfo size to
5931 extra_order_size_table. Add missing element to size_lookup
5934 2006-06-22 Roger Sayle <roger@eyesopen.com>
5935 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5938 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5939 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5941 2006-06-23 Ben Elliston <bje@au.ibm.com>
5943 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5944 negate dn -- manipulate it directly.
5946 2006-06-22 Roger Sayle <roger@eyesopen.com>
5947 Steven Bosscher <stevenb.gcc@gmail.com>
5950 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5951 generated by gen_move_insn to add REG_LABEL notes if necessary.
5953 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5955 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5956 (leaf_entry): Remove use of MIN_ESA.
5958 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5960 PR rtl-optimization/28121
5961 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5964 2006-06-21 DJ Delorie <dj@redhat.com>
5966 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5968 (mulhisi3_r): Likewise.
5970 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5973 * coverage.c (coverage_counter_alloc): Leave the index type
5975 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5978 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5980 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5981 section from the "Options for Code Generation Conventions".
5983 2006-06-21 Richard Henderson <rth@redhat.com>
5987 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5989 (global_symbolic_operand): Allow weak symbols, even if local_p.
5991 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5993 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5994 (find_interesting_uses_address): Punt if above function returns true.
5996 2006-06-21 Richard Guenther <rguenther@suse.de>
5998 * configure: Regenerated.
6000 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6002 * config/mips/mips.c (function_arg): Where one part of a
6003 complex argument is in registers and the other part in the stack,
6004 return a REG not a PARALLEL.
6006 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6008 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6009 when cross-compiling. Do not substitute libstdcxx_incdir.
6010 * configure: Regenerated.
6012 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6014 * varasm.c (mergeable_string_section): Check for embedded NULs and
6015 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6016 rather than TREE_STRING_LENGTH bytes.
6018 2006-06-21 Richard Guenther <rguenther@suse.de>
6020 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6021 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6024 2006-06-21 Richrad Guenther <rguenther@suse.de>
6026 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6027 Limit iteration over the dominators.
6029 2006-06-20 Roger Sayle <roger@eyesopen.com>
6031 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6032 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6034 2006-06-20 Richard Guenther <rguenther@suse.de>
6035 Michael Matz <matz@suse.de>
6037 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6039 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6040 * et-forest.h (et_free_pools): Prototype new function.
6041 * et-forest.c (et_free_tree_force): Free parent occurrence.
6042 (et_free_pools): New function.
6043 * dominance.c (free_dominance_info): Free et-forest alloc
6046 2006-06-20 Roger Sayle <roger@eyesopen.com>
6048 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6049 integer modes, attempt to directly construct an integer constant.
6051 * fold-const.c (native_encode_vector): Determine the size of each
6052 element from the vector type instead of the first vector element.
6054 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6055 if all of its elements/components are constant.
6056 (build_constructor_from_list): Likewise.
6058 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6060 PR tree-optimization/27331
6061 * tree-data-ref.c (free_data_ref): New function.
6062 (create_data_ref): Fail if the data reference has unknown access
6064 (free_data_refs): Use free_data_ref.
6066 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6069 * tree-inline.c (setup_one_parameter): Strip useless
6070 type conversion before adding it to the IR.
6071 (declare_return_variable): Likewise.
6073 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6076 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6078 2006-06-19 Mike Stump <mrs@apple.com>
6080 * tree.c (variably_modified_type_p): VM arguments don't make the
6083 2006-06-19 Richard Guenther <rguenther@suse.de>
6085 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6086 type conversions after folding.
6088 2006-06-19 Richard Guenther <rguenther@suse.de>
6090 * ggc-page.c (extra_order_size_tab): Add entries with
6091 size of struct function and basic_block.
6092 (size_lookup): Extend to cover sizes up to 511.
6093 (ggc_alloc_stat): Adjust user.
6094 (ggc_pch_count_object): Likewise.
6095 (ggc_pch_alloc_object): Likewise.
6096 (ggc_pch_write_object): Likewise.
6098 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6100 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6101 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6104 2006-06-19 Denis Chertykov <denisc@overta.ru>
6106 * config/avr/libgcc.S : Correct my wrong previous commit.
6108 2006-06-19 Roger Sayle <roger@eyesopen.com>
6111 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6112 have stripped a SUBREG from the shift count, so we may need to
6113 convert_to_mode back to the type's mode before calling make_tree.
6114 Use new_amount instead of amount to avoid expanding a tree twice.
6116 2006-06-19 Richard Guenther <rguenther@suse.de>
6119 * fold-const.c (operand_equal_p): Check if the argument types
6120 have the same precision before stripping NOPs.
6122 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6124 Fix PR tree-optimization/27341
6125 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6127 * tree-complex.c (pass_lower_complex): Update SMT usage.
6129 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6131 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6132 Add a new alternative to the constraint strings. Add move of
6133 operand 1 to 3 to the splitter definition.
6134 ("doloop_si_long"): Second contraint alternative removed.
6136 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6138 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6139 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6141 (AVR_HAVE_MOVW) Define.
6142 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6143 (ASM_SPEC): Add avr25.
6144 (LINK_SPEC): Add avr25.
6145 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6146 (base_arch_s): Add new member 'have_movw_lpmx'.
6147 (avr_arch_types): Init 'have_movw_lpmx'.
6148 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6149 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6150 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6151 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6152 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6154 (avr_file_start): Do not output '.arh' derective.
6155 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6156 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6157 * config/avr/avr.md (mcu_enhanced): Delete.
6158 (mcu_have_movw): Define.
6159 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6160 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6161 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6162 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6163 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6164 attiny861 and at86rf401 devices.
6166 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6168 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6171 2006-06-17 Karl Berry <karl@gnu.org>
6173 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6174 doc/gccint.texi, doc/install.texi (@dircategory): Use
6175 "Software development" instead of "Programming", following
6176 the Free Software Directory.
6178 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6180 * config/i386/i386.c (legitimate_tls_address)
6181 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6182 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6183 (*tls_dynamic_gnu2_combine_64): Likewise.
6185 2006-06-16 Richard Guenther <rguenther@suse.de>
6188 * fold-const.c (negate_expr_p): Do not introduce undefined
6189 overflow in negating INTEGER_CSTs.
6190 (fold_negate_expr): Rename from negate_expr. Revert last
6191 change for folding BIT_NOT_EXPR. Change semantics to
6192 return NULL_TREE for non-simplified negations. Do not
6193 strip type conversions and unify type handling.
6194 (negate_expr): New function, wrap around fold_negate_expr
6195 but ensure building a tree always. Strip type conversions
6196 here, fold to result type.
6197 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6199 2006-06-16 Roger Sayle <roger@eyesopen.com>
6202 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6203 that (would) return their results in stack registers.
6205 2006-06-16 Michael Matz <matz@suse.de>
6206 Richard Guenther <rguenther@suse.de>
6208 * fold-const.c (fold_truthop): Only return new tree node if
6209 we canonicalized something.
6211 2006-06-16 Richard Guenther <rguenther@suse.de>
6213 * function.h (enum function_frequency): Move declaration
6214 out of struct function.
6215 (struct function): Move bool fields and the enum to the bitfield
6216 section. Reorder elements to avoid padding. Remove unused
6217 fields left over from the RTL inliner removal.
6218 * function.c (free_after_compilation): Do not zero removed fields.
6219 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6220 (ipa-type-escape.o): Likewise.
6222 2006-06-16 Richard Guenther <rguenther@suse.de>
6224 * cgraph.h (struct cgraph_local_info): Turn bool elements
6226 (struct cgraph_node): Likewise.
6227 (struct cgraph_varpool_node): Likewise.
6229 2006-06-15 Richard Guenther <rguenther@suse.de>
6231 * fold-const.c (fold_truth_not_expr): Rename from
6232 invert_truthvalue. Give it fold_* semantics to avoid
6234 (invert_truthvalue): New function. Wrapper around
6235 fold_truth_not_expr.
6236 (optimize_minmax_comparison): Avoid creating garbage.
6237 (fold_unary): Use fold_truth_not_expr for folding
6239 (fold_ternary): Replace uses of invert_truthvalue with
6240 fold_truth_not_expr where applicable.
6241 * tree.h (fold_truth_not_expr): Prototype.
6243 2006-06-16 Richard Guenther <rguenther@suse.de>
6245 PR tree-optimization/27781
6246 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6247 * ipa-pure-const.c (target.h): Include.
6248 (analyze_function): Do not analyze functions that do not
6251 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6254 * tree-dfa.c (referenced_vars_dup_list): Remove.
6255 (find_referenced_vars): Remove assert.
6256 (referenced_var_check_and_insert): Replace dup list with assert.
6257 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6258 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6260 2006-06-15 Richard Guenther <rguenther@suse.de>
6262 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6263 extra unused identifiers if not dumping.
6264 (create_variable_info_for): Likewise.
6266 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6268 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6269 (derive_constant_upper_bound): Derive more precise upper bound in
6270 common cases. Return type changed to double_int.
6271 (record_estimate): Reflect the changed return type of
6272 derive_constant_upper_bound.
6273 * double-int.c (double_int_zext, double_int_sext): Fix.
6275 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6277 * configure.ac (CFLAGS): Get them from the toplevel or from the
6278 configure invocation.
6279 * configure: Regenerate.
6280 * Makefile.in (CFLAGS): Substitute value provided by configure.
6282 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6285 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6286 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6287 rather than calling add_stmt on it.
6288 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6290 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6293 * reload1.c (reload): Remove registers returned by update_eliminables
6294 from used_spill_regs.
6296 2006-06-13 DJ Delorie <dj@redhat.com>
6298 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6300 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6302 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6303 html__strip_dir, html__mkdir_p. Enhance install-html target.
6304 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6305 * configure: Regenerate.
6307 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6309 * fold-const.c (fold_cond_expr_with_comparison): Check for
6310 Objective-C++ as language in deciding COND_EXPR transformation.
6312 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6315 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6316 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6317 * config/sh/lib1funcs.h (SL, SL1): Define.
6318 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6319 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6320 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6321 (OBJS_Os_4_200): New variable.
6322 ($(T)libgcc-Os-4-200.a): Use it.
6323 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6324 when dividing 1 and/or by 0.
6326 2006-06-13 Roger Sayle <roger@eyesopen.com>
6328 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6329 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6330 * configure: Regenerate.
6332 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6334 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6335 for real instruction.
6337 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6340 * haifa-sched.c (check_cfg): Handle special case.
6342 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6345 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6346 Add debug_info parameter. Chain the vars to the BLOCK instead
6347 of the BIND_EXPR if debug info are requested for them.
6348 (pop_gimplify_context): Adjust for above change.
6349 (gimple_add_tmp_var): Likewise.
6350 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6352 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6353 (convert_local_reference): Likewise.
6354 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6355 (finalize_nesting_tree_1): Request that debug info be emitted
6356 for debug_var_chain.
6358 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6360 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6361 for PR target/27863.
6363 2006-06-13 Richard Guenther <rguenther@suse.de>
6366 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6368 2006-06-13 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/27830
6371 * tree-inline.c (copy_body_r): For copying the operand
6372 of an ADDR_EXPR make sure to fold &* afterwards.
6374 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6376 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6377 lvalues in the fb_none case with side-effects.
6379 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6381 * tree-flow.h: Remove the prototype for
6382 compute_phi_arg_on_exit.
6383 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6384 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6387 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6389 * builtins.c (expand_builtin_return_addr): Only use
6390 frame_pointer_rtx when count == 0 and we are expanding
6391 __builtin_return_address.
6393 2006-06-12 Fred Fish <fnf@specifix.com>
6395 * config/mips/mips.c (mips_file_start): Create special section
6396 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6398 2006-06-11 Eric Christopher <echristo@apple.com>
6401 * stor-layout.c (place_field): Remove check for
6402 remaining_in_alignment when aligning at the end of a run.
6404 2006-06-11 Eric Christopher <echristo@apple.com>
6407 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6410 2006-06-11 Roger Sayle <roger@eyesopen.com>
6413 Revert incorrect fix for PR target/27158
6414 2006-05-08 Roger Sayle <roger@eyesopen.com>
6415 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6416 of a reg_equiv_constant if the result is a legitimate constant.
6418 2006-06-11 Roger Sayle <roger@eyesopen.com>
6421 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6422 extract a CONST_VECTOR element and interpret it as an integer.
6423 (vspltis_constant): Use const_vector_elt_as_int instead of the
6424 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6425 * config/rs6000/predicates.md (easy_vector_const): Consider
6426 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6428 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6431 * stor-layout.c (update_alignment_for_field): Don't add extra
6432 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6435 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6437 * config/mips/t-rtems: Add EL/EB multilib variants.
6439 2006-06-09 Mike Stump <mrs@apple.com>
6441 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6443 2006-06-09 David Daney <ddaney@avtrex.com>
6445 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6447 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6449 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6451 2006-06-09 Richard Guenther <rguenther@suse.de>
6453 PR tree-optimization/26998
6454 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6455 of signed types, only TYPE_MIN_VALUE is special, but for both,
6456 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6457 in this case, as is -fwrapv.
6459 2006-06-08 Mike Stump <mrs@apple.com>
6462 * config/darwin.c (darwin_asm_output_anchor): Disable
6463 -fsection-anchors on darwin for now.
6464 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6465 * rs6000/rs6000.c (optimization_options): Likewise.
6467 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6470 * config/i386/i386.c (classify_argument): Skip fields with invalid
6473 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6475 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6476 (cse_insn): Likewise for the stack_pointer_rtx.
6478 2006-06-08 Roger Sayle <roger@eyesopen.com>
6480 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6481 conditions from floating point comparisons.
6483 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6486 * expmed.c (struct alg_hash_entry): Fix type of field T
6487 to match synth_mult argument.
6488 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6490 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6493 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6496 2006-06-08 Richard Guenther <rguenther@suse.de>
6499 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6500 only, if overflow is defined and not trapping.
6501 (negate_expr): Likewise.
6503 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6505 PR tree-optimization/27872
6506 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6507 flag on the new exit edge of the unrolled loop.
6509 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6511 PR rtl-optimization/26449
6512 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6514 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6517 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6518 referenced_variables with matching DECL_UID's.
6519 (find_referenced_vars): Make sure duplicate list is empty to start.
6520 (referenced_var_p): Remove.
6521 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6522 Check if var is in the list, and add if needed. Update the duplicate
6523 list if a different var is in the list with the same DECL_UID.
6524 (add_referenced_var): Call routine to check and insert.
6525 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6526 * tree-flow.h (referenced_vars_dup_list): External declaration.
6528 2006-06-07 Fred Fish <fnf@specifix.com>
6530 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6533 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6536 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6537 the imaginary and real parts of a clobbered register.
6538 Emit insn to set the imaginary part.
6540 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6542 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6543 in lieu of unwind-dw2-fde.c.
6545 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6547 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6549 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6552 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6553 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6554 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6555 V4SImode temporaries and operations instead.
6557 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6559 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6562 2006-06-06 Mike Stump <mrs@apple.com>
6564 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6565 installing during build.
6567 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6569 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6571 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6572 * config/ia64/ia64.c (params.h): New header.
6573 (ia64_optimization_options): New function to adjust parameters.
6574 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6575 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6576 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6578 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6580 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6582 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6585 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6587 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6588 Victor Kaplansky <victork@il.ibm.com>
6590 PR tree-optimization/26360
6591 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6594 2006-06-04 Roger Sayle <roger@eyesopen.com>
6595 Andrew Pinski <pinskia@physics.uc.edu>
6598 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6599 for LABEL_DECL before calling DECL_WEAK.
6602 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6603 LABEL_DECL and PARM_DECL.
6605 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6609 * c-decl.c (grokdeclarator): Disallow variably modified types at
6610 file scope. Avoid marking shared array type of constant size as
6613 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6616 * c-common.c (fold_offsetof_1): Handle static members.
6618 2006-06-04 Eric Christopher <echristo@apple.com>
6620 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6621 (debug_rli): Output value for remaining_in_alignment.
6622 (update_alignment_for_field): Unconditionalize
6623 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6624 extra alignment code.
6625 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6626 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6627 * tree.h (record_layout_info_s): Remove prev_packed.
6628 * doc/extend.texi (ms_struct): Add documentation of format.
6630 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6632 * tree.h: Declare folding_initializer.
6633 * builtins.c (fold_builtin_constant_p): Give definite answer
6634 if folding inside an initializer.
6635 * fold-const.c: Define folding_initializer.
6636 (START_FOLD_INIT): Save and then set folding_initializer.
6637 (END_FOLD_INIT): Restore folding_initializer.
6639 2006-06-04 Richard Guenther <rguenther@suse.de>
6641 PR tree-optimization/27039
6642 * fold-const.c (fold_comparison): Handle pointer comparison
6643 again for all comparison codes. Compare offsets in signed
6645 (fold_binary): Move code from here.
6647 2006-06-03 Roger Sayle <roger@eyesopen.com>
6650 * config/i386/i386.c (construct_container): Split static issued_error
6651 flag into issued_sse_arg_error, issued_sse_ret_error and
6652 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6653 requires the use of x87 registers and the user explicitly
6654 specified the -mno-80387 command line option.
6656 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6658 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6659 HAVE_DECL_SIGALTSTACK.
6661 (segv_handler): Use MC_FLD.
6662 * configure.ac: Check for a sigaltstack declaration.
6663 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6664 * configure: Regenerate.
6665 * config.in: Regenerate.
6667 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6670 * Makefile.in (stmp-fixinc): Fix typo.
6672 2006-06-02 Roger Sayle <roger@eyesopen.com>
6674 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6675 are type correct. Clean-up.
6676 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6677 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6679 2006-06-01 DJ Delorie <dj@redhat.com>
6681 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6682 shift, as we've disabled the "switch" insn that needs it.
6684 2006-06-01 Per Bothner <bothner@bothner.com>
6686 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6687 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6688 * c-ppoutput.c (cb_define): Don't increment line 0.
6690 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6692 * doc/invoke.texi: Add cpu_type power6.
6693 * config.gcc: Add cpu_type power6.
6694 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6695 to power5+ with Altivec.
6696 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6697 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6699 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6701 * config/avr/avr.h (SET_ASM_OP): Define.
6703 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6705 * config/bfin/bfin.c: Fix comment typos.
6707 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6710 * doc/install.texi: Document --enable-bootstrap and
6711 --disable-bootstrap.
6713 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6715 * doc/install.texi: Document that InfoZIP can replace jar.
6717 2006-05-31 Roger Sayle <roger@eyesopen.com>
6719 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6720 isn't available, directly generate the simpler x87 patterns without
6721 the (use (const_int 0)).
6722 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6723 implementation isn't available.
6724 (*negdf2_1): Likewise.
6725 (*negxf2_1): XF mode negation is always done using the x87.
6726 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6728 2006-05-31 Roger Sayle <roger@eyesopen.com>
6730 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6731 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6733 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6735 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6737 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6738 * config/bfin/bfin.c (basic-block.h): Include.
6739 (struct machine_function): New.
6740 (bfin_init_machine_status): New.
6741 (override_options): Initialize init_machine_status.
6742 (bfin_hardware_loop): New.
6743 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6744 (DEF_VEC_P (loop_info)): New.
6745 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6746 (struct loop_info): New.
6747 (loop_info): New typedef.
6748 (struct loop_work): New.
6749 (loop_work): New typedef.
6750 (DEF_VEC_O (loop_work)): New.
6751 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6752 (bfin_dump_loops): New.
6753 (bfin_bb_in_loop): New.
6754 (bfin_scan_loop): New.
6755 (bfin_optimize_loop): New.
6756 (bfin_reorg_loops): New.
6757 (bfin_reorg): Use bfin_reorg_loops.
6758 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6760 (I_REGNO_P): Simplify.
6761 (DP_REGNO_P, DPREG_P): New macros.
6762 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6763 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6764 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6765 Add LT_REGS, LC_REGS, LB_REGS.
6766 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6768 (REGNO_REG_CLASS): Deal with loop registers.
6769 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6771 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6772 New constants for loop registers.
6773 (UNSPEC_LSETUP_END): New.
6774 (seq_insns): New define_attr. Set it for appropriate insns.
6775 (movsi_insn): Add alternatives for move from/to
6776 loop count registers.
6777 (doloop_end): New define_expand.
6778 (loop_end): New define_insn.
6779 (define_split for bad doloop_end): New.
6780 (lsetup_with_autoinit): New define_insn.
6781 (lsetup_without_autoinit): New define_insn.
6782 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6783 * config/bfin/predicates.md (lc_register_operand): New.
6784 (lt_register_operand): New.
6785 (lb_register_operand): New.
6786 (nondp_register_operand): New.
6787 (nondp_reg_or_memory_operand): New.
6788 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6790 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6792 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6793 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6795 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6797 * Makefile.in (CATALOGS): Add po/ prefix.
6798 * configure: Regenerated.
6800 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6803 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6804 a shift operand before calling shift_op. Avoid redundant call of
6807 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6808 DJ Delorie <dj@redhat.com>
6810 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6811 we're inserting is a singlt-bit constant.
6813 2006-05-30 Roger Sayle <roger@eyesopen.com>
6815 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6816 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6818 2006-05-30 Roger Sayle <roger@eyesopen.com>
6820 PR tree-optimization/23452
6821 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6822 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6823 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6824 complex values and with -ffast-math for FP complex values.
6826 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6828 * c-common.h: Remove the prototype for yyparse.
6829 * rtl.h: Remove the prototype for init_loop.
6831 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6833 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6836 2006-05-30 Roger Sayle <roger@eyesopen.com>
6838 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6840 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6841 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6843 2006-05-30 Dirk Mueller <dmueller@suse.de>
6846 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6847 for CONSTANT_CLASS_P expresisons.
6849 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6852 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6854 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6856 PR tree-optimization/27779
6857 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6858 initial_condition instead of CHREC_LEFT.
6860 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6862 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6863 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6864 Make prototypes ISO C90.
6866 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6867 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6869 * see.c (see_analyze_one_def): Correct check.
6870 (see_get_extension_data): Check if extension is parallel.
6871 (see_get_extension_reg): Likewise.
6873 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6876 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6877 into register for (code == GTU).
6879 2006-05-29 Roger Sayle <roger@eyesopen.com>
6881 PR tree-optimization/24964
6882 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6883 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6884 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6885 abs(x)*abs(x) as x*x for scalar floating point modes.
6887 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6890 * lambda-code.c (perfect_nestify): Don't copy statements
6891 in the inner loop: move them to the inner loop header.
6893 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6896 * c-tree.texi: Document OpenMP directives and clauses.
6898 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6900 * varasm.c (globalize_decl): Fix indentation.
6902 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6905 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6906 pass_fre, pass_store_ccp, pass_copy_prop,
6907 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6908 pass_return_slot, pass_object_size, pass_lim,
6909 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6910 pass_loop_prefetch and pass_stdarg.
6912 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6914 * config/bfin/bfin.opt (mfdpic): New option.
6915 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6916 (EXTRA_MULTILIB_PARTS): Likewise.
6917 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6918 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6920 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6921 (CRT_CALL_STATIC_FUNCTION): New.
6922 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6924 (CRT_CALL_STATIC_FUNCTION): New.
6925 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6927 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6928 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6929 (initialize_trampoline): Changed to handle FD-PIC code generation.
6930 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6931 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6932 (override_options): Disallow -mid-shared-library -mfdpic combination.
6933 Can't do unaligned ops if FD-PIC.
6934 Turn off flag_pic if trying to generate non-id-shared-library
6935 non-fdpic code, since it's not supported.
6936 (bfin_assemble_integer): New function.
6937 (TARGET_ASM_INTEGER): Define.
6938 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6940 * config/bfin/crtn.s: Restore them.
6941 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6943 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6944 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6945 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6946 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6947 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6949 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6950 FDPIC_REGS and FDPIC_FPTR_REGS.
6951 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6952 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6953 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6954 (load_funcdescsi): New pattern.
6955 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6956 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6957 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6959 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6961 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6964 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6966 * tree-flow.h: Remove the prototype for add_type_alias.
6967 * tree-ssa-alias.c (add_type_alias): Remove.
6969 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6971 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6972 config/fr30/fr30.md, config/i386/i386-interix.h,
6973 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6974 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6975 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6976 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6977 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6978 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6979 Follow spelling conventions.
6980 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6981 Follow spelling conventions.
6983 2006-05-27 Richard Guenther <rguenther@suse.de>
6986 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6987 to produce a constant of value 1 of generic type.
6989 2006-05-27 Dirk Mueller <dmueller@suse.de>
6991 * cgraphunit.c (decide_is_function_needed): Fix wrong
6994 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6996 PR rtl-optimization/27661
6997 * reload.c (find_reloads): When reloading a VOIDmode constant
6998 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6999 use Pmode as mode of the reload register.
7001 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7003 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7004 is enabled at -O and above.
7006 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7009 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7012 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7015 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7016 for anonymous variables explicitly declared by front ends.
7018 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7020 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7021 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7022 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7023 ref-all pointers, run a finalization pass for them.
7024 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7025 (finalize_ref_all_pointers): New function.
7026 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7027 regular pointer type to a ref-all pointer type.
7028 (get_tmt_for): Return the special memory tag for ref-all pointers.
7030 2006-05-25 Richard Guenther <rguenther@suse.de>
7033 * fold-const.c (fold_binary): Do not look at the stripped
7034 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7036 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7038 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7039 for LT and GT if the computed range is effectively empty.
7041 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7044 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7045 mips_quad_format formats instead of ieee_single_format,
7046 ieee_double_format and ieee_quad_format formats, respectively.
7048 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7050 PR tree-optimization/27639
7051 PR tree-optimization/26719
7052 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7053 call to scev_probably_wraps_p.
7054 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7055 used_in_pointer_arithmetic_p, convert_step): Removed.
7056 (nowrap_type_p): New function.
7057 (scev_probably_wraps_p): Rewritten.
7058 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7059 chrec_convert if chrec_convert_aggressive might have been used.
7060 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7061 scev_direction): New functions.
7062 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7063 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7064 instead of convert_step.
7065 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7066 (convert_step): Declaration removed.
7067 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7069 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7071 * df-core.c: Added to header comments.
7072 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7073 df_ur_bb_info, df_urec_bb_info): Added comments.
7074 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7075 urec, ri problems): Fixed header comments.
7076 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7077 code from df_rd_transfer_function.
7079 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7081 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7082 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7083 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7085 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7087 * expr.c (undefined_operand_subword_p): New.
7088 (emit_move_multi_word): Do not generate move from undefined bits
7089 of a paradoxical subreg.
7091 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7093 PR rtl-optimization/27736
7094 * combine.c (replaced_rhs_value): New variable.
7095 (combine_instructions): Set it.
7096 (distribute_notes): When distributing a note in replaced_rhs_insn,
7097 check whether the value was used in replaced_rhs_value.
7099 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7102 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7103 add_referenced_var instead of add_referenced_tmp_var.
7104 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7105 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7107 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7108 tree_optimize_tail_calls_1): Use add_referenced_var.
7109 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7110 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7111 Use add_referenced_var.
7112 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7113 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7114 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7115 Use add_referenced_var.
7116 * tree-dfa.c (struct walk_state): Remove.
7117 (find_referenced_vars): Remove walk state and vars_found hash table.
7118 (make_rename_temp): Use add_referenced_var.
7119 (find_vars_r): Pass less parameters to add_referenced_var.
7120 (referenced_var_p): New. Is var in referenced_var hash table.
7121 (referenced_var_insert): Assert var isn't already in hash table.
7122 (add_referenced_var): Don't need walk_state parameter. Add var if it
7123 isn't already in the hash table.
7124 (add_referenced_tmp_var): Remove.
7125 (find_new_referenced_vars_1): Use add_referenced_var.
7126 * tree-ssa-pre.c (create_expression_by_pieces,
7127 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7128 Use add_referenced_var.
7129 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7130 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7131 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7133 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7134 vect_create_data_ref_ptr, vect_create_destination_var,
7135 vect_init_vector, vect_build_loop_niters,
7136 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7137 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7138 Use add_referenced_var.
7139 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7140 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7141 (add_referenced_var): Add prototype.
7142 * tree-ssa-structalias.c (get_constraint_for,
7143 intra_create_variable_infos): Use add_referenced_var.
7145 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7147 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7148 big-endian paradoxical subregs.
7149 * var-tracking.c (struct micro_operation_def): Document that,
7150 for modify micro operations, insn is the subsequent instruction.
7151 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7152 (var_reg_set, var_mem_set): ... new functions.
7153 (add_stores): Record subsequent insn.
7154 (compute_bb_dataflow): Use new functions for MO_USE.
7155 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7156 notes after the insn, and modify notes before the insn known
7157 to be the subsequent one.
7158 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7160 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7163 * config/i386/i386.c (ix86_expand_builtin): Use
7164 gen_sse3_monitor64 for TARGET_64BIT.
7166 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7168 PR rtl-optimization/26375
7169 PR rtl-optimization/26855
7170 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7172 (df_ru_bb_local_compute): Reversed statements and removed bogus
7173 comment explaining why they should be in wrong order.
7174 (df_ru_dump, df_rd_dump): Enhanced debug info.
7175 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7177 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7178 reaching uses and fixed space problem.
7180 2006-05-23 Jan Hubicka <jh@suse.cz>
7182 * cgraphunit.c (decide_is_function_needed): Also nested functions
7183 and functions declared inline can be optimized out at -O0.
7185 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7187 * doc/install.texi (Configuration): Remove reference to CrossGCC
7191 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7194 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7195 ix86_compare_emitted is non-NULL.
7197 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7200 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7203 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7205 PR rtl-optimization/25514
7206 * combine.c (replaced_rhs_insn): New variable.
7207 (combine_instructions): Set replaced_rhs_insn when trying to replace
7208 a SET_SRC with a REG_EQUAL note.
7209 (distribute_notes): Use replaced_rhs_insn when determining the live
7210 range of a REG_DEAD register.
7212 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7213 Anatoly Sokolov <aesok@post.ru>
7215 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7216 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7217 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7218 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7219 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7220 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7221 at90usb647, at90usb1286 and at90usb1287 devices.
7222 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7223 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7225 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7227 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7229 2006-05-22 Richard Guenther <rguenther@suse.de>
7232 2006-01-31 Richard Guenther <rguenther@suse.de>
7233 Paolo Bonzini <bonzini@gnu.org>
7235 * doc/install.texi (--disable-libgcc-math): Document.
7237 2006-05-22 Richard Guenther <rguenther@suse.de>
7240 2006-01-31 Richard Guenther <rguenther@suse.de>
7242 * doc/invoke.texi (-msselibm): Document.
7243 * target.h (expand_library_builtin): New target hook.
7244 * builtins.c (expand_builtin): Use expand_library_builtin.
7245 (default_expand_library_builtin): New function.
7246 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7247 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7248 (link_gcc_math_spec): Declare.
7249 (static_specs): Add link_gcc_math_spec.
7250 * expr.h (default_expand_library_builtin): Declare.
7251 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7252 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7253 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7254 * config/i386/i386.opt (msselibm): New target option.
7255 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7256 (ix86_init_sse_abi_builtins): New function.
7257 (ix86_expand_library_builtin): Likewise.
7258 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7259 (override_options): Handle error conditions wrt -msselibm.
7260 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7261 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7262 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7265 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7268 * c-common.c (self_promoting_args_p): Skip erroneous args.
7271 * c-decl.c (finish_struct): Skip erroneous fields.
7273 2006-05-22 Nick Clifton <nickc@redhat.com>
7275 * config/cris/cris.opt (march): Remove VarExists attribute.
7276 (max-stackframe=): Likewise.
7278 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7280 * doc/rtl.texi: Fix a typo.
7281 * see.c: Fix comment typos.
7283 * tree-ssa-structalias.h (alias_info): Remove num_references.
7285 2006-05-21 Mike Stump <mrs@apple.com>
7287 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7289 (darwin_pragma_options): Use BAD instead.
7290 (darwin_pragma_unused): Likewise.
7291 (darwin_pragma_ms_struct): Likewise.
7293 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7295 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7297 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7299 PR rtl-optimization/27671
7300 * simplify-rtx.c (simplify_relational_operation_1): Fix
7301 simplifications of (eq/ne (xor x y) y) and
7302 (eq/ne (xor x y) x).
7304 PR tree-optimization/26622.
7305 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7308 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7310 * tree-cfg.c: Prune whitespace.
7311 (debug_tree_cfg): Point to correct header containing the
7314 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7317 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7319 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7322 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7323 or sorry count is non zero.
7325 2006-05-20 Andreas Schwab <schwab@suse.de>
7327 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7329 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7330 Kenneth Zadeck <zadeck@naturalbridge.com>
7332 PR rtl-optimization/26855
7334 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7336 (df_scan_alloc): Added code to properly handle multiword hard
7337 registers and add all_blocks parameter.
7338 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7339 code to properly handle multiword hard registers.
7340 (df_rescan_blocks): Added code to remove deleted blocks from
7342 (df_ref_create_structure, df_ref_record): Added code to properly
7344 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7345 and set DF_REF_PARTIAL.
7346 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7347 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7348 (df_scan_add_problem): Added flags parameter.
7349 (df_ref_create_structure): Changed switching structure.
7350 (df_bb_refs_record): Fixed case where duplicate artificial refs
7351 were created. Changed location of flags.
7352 (df_record_entry_block_defs): Added code to make stack pointer
7353 live in entry block. Refined cases where frame pointer is needed.
7354 Changed location of flags.
7355 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7356 (df_set_state): Removed function.
7357 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7358 df_insn_create_insn_record, df_insn_refs_delete,
7359 df_ref_create_structure): Formatting changes.
7360 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7361 df_delete_basic_block): New function.
7362 (df_init): Changed location of flags.
7363 (df_add_problem): Added flags parameter and the way flags are
7365 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7366 debug_df_chain): Improved debugging output.
7367 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7368 (df_refs_chain_dump): Removed df parameter.
7369 (df_iterative_dataflow): Added consistency check.
7370 (df_prune_to_subcfg): Made public.
7371 (df_analyze_problem): Added blocks_to_init parameter and made
7373 (df_ref_record, df_bb_refs_record, df_mark_reg,
7374 df_record_exit_block_uses): Whitespace changes.
7375 (df_dump): Whitespace changes.
7376 * df.h: Some reordering to remove forward references.
7377 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7378 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7379 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7380 (dataflow.flags): New field.
7381 (df.flag): Deleted field.
7382 (df_alloc_function): Added additional bitmap parameter.
7383 (df_dependent_problem_function): New type.
7384 (df_problem.changeable_flags): New field.
7385 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7386 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7387 (df_mw_hardreg): New struct.
7388 (DF_INSN_UID_MWS): New macro.
7389 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7391 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7392 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7393 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7394 (df_set_state): Removed function.
7395 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7396 * df-problems.c (df_chain_dump): Removed df parameter.
7397 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7398 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7400 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7401 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7402 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7403 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7404 DF_REF_MUST_CLOBBER cases.
7405 (df_ru_bb_local_compute_process_def,
7406 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7407 df_lr_bb_local_compute, df_ur_bb_local_compute,
7408 df_chain_create_bb): Made subreg aware.
7409 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7410 df_lr_bb_local_compute, df_lr_bb_local_compute,
7411 df_chain_create_bb): Cleanup to use proper macros.
7412 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7413 code to fixup bitvectors.
7414 (df_ri_alloc): Cleared lifetime.
7415 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7416 df_create_unused_note): New function.
7417 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7418 REG_DEAD and REG_UNUSED notes as well as register information.
7419 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7420 df_chains_dump): Fixed crash if problem was never run.
7421 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7422 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7423 df_ri_add_problem): Processes flags in uniform manner.
7424 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7425 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7426 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7427 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7428 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7429 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7430 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7431 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7432 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7433 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7434 * see.c (see_initialize_data): Ditto.
7435 * final.c (rest_of_clean_state) Added regstack_completed.
7436 * rtl.h (regstack_completed): Ditto.
7437 * reg-stack.c (regstack_completed): Ditto.
7439 2006-05-19 Mike Stump <mrs@apple.com>
7441 * c-tree.h (default_conversion): Remove.
7442 * c-common.h (default_conversion): Add.
7444 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7446 * tree-vrp.c (valid_value_p): New function.
7447 (adjust_range_with_scev): Fail if the value of bound is not
7450 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7452 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7453 (mips_fallback_frame_state): Use syscall numbers to determine
7454 the appropriate li instruction for the current ABI. Only use
7455 __NR_sigreturn for o32.
7457 2006-05-19 Nicolas Setton <setton@adacore.com>
7459 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7460 * langhooks.c (lhd_dwarf_name): New function.
7461 * langhooks-def.h (lhd_dwarf_name): Declare.
7462 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7463 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7464 * ada/misc.c (gnat_dwarf_name): New function.
7465 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7467 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7469 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7471 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7472 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7473 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7474 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7475 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7476 determine the size of Wtype, etc.
7477 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7478 (swfloatfuncs): New variable.
7479 (dwfloatfuncs): Likewise.
7480 (lib2funcs): Remove floating-point conversion functions from
7481 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7482 the set of conversion routines needed. Allow entries to specify
7483 an object name, filename and word size. Update users accordingly.
7484 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7485 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7489 2006-02-08 Roger Sayle <roger@eyesopen.com>
7492 * config/fixtfdi.c: New libgcc source file.
7493 * config/fixunstfdi.c: New source file.
7494 * config/floatditf.c: New source file.
7495 * config/floatunditf.c: New souce file.
7496 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7497 files above instead of config/mips/_tilib.c.
7498 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7500 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7502 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7503 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7505 2006-05-18 Mike Stump <mrs@apple.com>
7507 Fix up vla, vm and [*] sematics.
7513 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7514 (c_vla_unspec_p): Add.
7515 (c_vla_type_p): Add.
7516 * c-decl.c (struct c_scope): Add had_vla_unspec.
7517 (build_array_declarator): Add support for [*].
7518 (grokdeclarator): Likewise.
7519 (grokparms): Likewise.
7520 (get_parm_info): Likewise.
7521 * c-objc-common.c (c_vla_unspec_p): Likewise.
7522 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7523 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7524 typeof when argument is a variably modified type not inside sizeof or alignof.
7525 (c_parser_direct_declarator_inner): Propagate errors.
7526 (c_parser_sizeof_expression): Add support for [*].
7527 (c_parser_parms_declarator): Initialize had_vla_unspec.
7528 (c_parser_parms_list_declarator): Likewise.
7529 * c-typeck.c (c_vla_type_p): Add.
7530 (composite_type): Add support for vla compositing.
7531 (comptypes_internal): Add support for vla compatibility.
7532 (c_expr_sizeof_expr): Evaluate vla arguments.
7533 * tree.c (variably_modified_type_p): Update comment for [*].
7535 2006-05-18 Michael Matz <matz@suse.de>
7538 * config.host: Make assignments to host_xmake_file cumulative.
7539 * config.host (*-darwin*): Test $host, not $target.
7541 2006-05-12 Stuart Hastings <stuart@apple.com>
7543 * config/i386/i386.opt (-mstackrealign): New flag.
7544 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7545 (ix86_handle_cconv_attribute): Emit error when
7546 force_align_arg_pointer attribute collides with too many regparms.
7547 (ix86_function_regparm): Limit regparms when used with
7548 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7549 Support stack-realigning prologue in non-main functions. Emit
7550 warning for nested functions under -mstackrealign, emit error for
7551 nested functions with force_align_arg_pointer attribute.
7552 * doc/extend.texi (force_align_arg_pointer): Document it.
7553 * doc/invoke.texi (-mstackrealign): Document it.
7555 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7557 PR rtl-optimization/27477
7558 * combine.c (try_combine): Don't split a parallel consisting
7559 of two sets into two individual sets if both sets reference
7562 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7564 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7565 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7567 * doc/options.texi (VarExists): Updated.
7569 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7571 * unwind-dw2.c: Add declarations for uw_update_context and
7573 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7574 detected, advance frame state and context once to skip over stub.
7576 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7580 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7581 Call rewrite_into_loop_closed_ssa only when something changed.
7582 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7583 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7584 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7585 Test for perfect_nest_p here. Fix formating.
7586 (replace_uses_equiv_to_x_with_y): Fix formating.
7587 (stmt_uses_op): Removed.
7588 (can_convert_to_perfect_nest): Removed loopivs parameter.
7589 Complete the test by checking the scalar dependences.
7590 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7593 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7596 From Dan Kegel <dank@kegel.com>:
7597 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7599 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7601 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7602 if the element type is variably modified without recursing.
7604 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7607 * tree-loop-linear.c (try_interchange_loops): Test for
7608 no data dependences.
7610 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7612 PR tree-optimization/27548
7613 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7614 range of ssa names that appear on abnormal edges.
7615 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7616 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7618 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7621 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7623 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7626 * tree.h (OMP_PARALLEL_COMBINED): Define.
7627 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7628 (new_omp_context): Add is_combined_parallel argument.
7629 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7630 new_omp_context caller.
7631 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7632 Adjust gimplify_scan_omp_clauses callers.
7633 (omp_is_private): Issue errors if iteration variable is firstprivate
7634 or reduction in the current context.
7635 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7636 on combined parallel workshare constructs.
7638 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7640 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7641 (gcc-options.o): New rule.
7643 * optc-gen.awk: Protect variables for gcc-options.o with
7644 #ifdef GCC_DRIVER/#endif.
7646 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7648 Fix PR tree-optimization/27373
7649 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7650 (forward_propagate_addr_expr): Update call.
7652 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7654 * doc/options.texi: Move the Negative option.
7656 2006-05-16 Richard Guenther <rguenther@suse.de>
7658 PR tree-optimization/22303
7659 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7661 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7662 ccp_fold did not simplify the statement.
7664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7667 * Makefile.in (GCC_OBJS): New.
7668 (OBJS-common): Add opts-common.o.
7669 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7670 (cpp$(exeext)): Likewise.
7671 (gcc.o): Also depend on opts.h.
7672 (opts-common.o): New.
7674 * common.opt (gcoff): Add Negative(gdwarf-2).
7675 (gdwarf-2): Add Negative(gstabs).
7676 (gstabs): Add Negative(gstabs+).
7677 (gstabs+): Add Negative(gvms).
7678 (gvms): Add Negative(gxcoff).
7679 (gxcoff): Add Negative(gxcoff+).
7680 (gxcoff+): Add Negative(gcoff).
7681 * config/i386/i386.opt (m32): Add Negative(m64).
7682 (m64): Add Negative(m32).
7684 * doc/options.texi: Document the Negative option.
7686 * gcc.c: Include "opts.h".
7687 (main): Call prune_options after expandargv.
7689 * optc-gen.awk: Generate common declarations for all flag
7690 variables in options.c. Output the neg_index field.
7692 * opts.c (find_opt): Moved to ...
7693 * opts-common.c: Here. New file.
7695 * opts.h (cl_option): Add a neg_index field.
7697 (prune_options): Likewise.
7699 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7702 * omp-low.c (expand_omp_parallel): Don't assert
7703 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7704 instead search for it.
7707 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7710 2006-05-16 Andreas Schwab <schwab@suse.de>
7712 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7715 2006-05-15 Roger Sayle <roger@eyesopen.com>
7718 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7719 integer constants other than zero are only legitimate on TARGET_64BIT.
7720 <CONST_VECTOR> Only zero vectors are legitimate.
7721 (ix86_cannot_force_const_mem): Integral and vector constants can
7722 always be put in the constant pool.
7724 2006-05-16 DJ Delorie <dj@redhat.com>
7726 * crtstuff.c (__dso_handle): Set section from
7727 TARGET_LBIGCC_SDATA_SECTION if defined.
7728 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7729 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7731 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7734 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7737 2006-05-16 Ben Elliston <bje@au.ibm.com>
7739 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7741 2006-05-15 Per Bothner <per@bothner.com>
7743 * tree.c: (last_annotated_node): Use source_locus typedef.
7744 This permits bootstrapping with --enable-mapped-location.
7746 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7748 PR tree-optimization/26830
7749 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7750 (info_for_ssa_name, current_info_for_ssa_name_age,
7751 blocks_to_update): New variables.
7752 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7753 (clear_ssa_name_info, initialize_flags_in_bb,
7754 mark_block_for_update): New functions.
7755 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7756 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7757 prepare_def_site_for): Use mark_block_for_update.
7758 (mark_def_interesting): Assert that the processed block is marked in
7759 blocks_to_update. Do not take blocks argument.
7760 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7762 (rewrite_update_init_block, rewrite_update_stmt): Only process
7763 blocks with statements to rewrite.
7764 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7765 (update_ssa): Initialize and free blocks_to_update. Do not
7766 clear flags on statements. Do not use blocks bitmap.
7767 * tree.h (SSA_NAME_AUX): Removed.
7768 (struct tree_ssa_name): Removed aux field.
7769 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7771 2006-05-15 Richard Guenther <rguenther@suse.de>
7773 PR tree-optimization/27603
7774 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7775 Do computations in original type.
7777 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7779 * see.c: Code style changes such as redundant paranthesis,
7780 redundant intialization of local variables etc.
7781 (see_main): Declared now as static.
7782 * doc/invoke.texi: Update that -fsee is not enabled by
7785 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7787 * omp-low.c (check_omp_nesting_restrictions): New function.
7788 (scan_omp_1): Call it.
7791 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7792 construct, return *VAR.
7794 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7796 PR rtl-optimization/27406
7797 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7800 2006-05-14 Roger Sayle <roger@eyesopen.com>
7802 PR rtl-optimization/27538
7803 * combine.c (expand_compound_operation): Call gen_lowpart
7804 before calling simplify_shift_const.
7806 2006-05-14 Roger Sayle <roger@eyesopen.com>
7808 PR rtl-optimization/22563
7809 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7810 a fixed width bitfield, always force the intermediates into psuedos.
7812 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7815 * mkconfig.sh: Use operator = instead of == for test.
7817 2006-05-13 Nick Clifton <nickc@redhat.com>
7819 * dwarf2out.c (dbx_reg_number): Check return value from
7820 LEAF_REG_REMAP and only use it if it is valid.
7821 (multiple_reg_loc_descriptor): Likewise.
7823 2006-05-13 Richard Guenther <rguenther@suse.de>
7825 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7828 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7830 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7831 information attached to non-INSNs such as NOTEs.
7832 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7834 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7836 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7838 * config/s390/s390.md: Adjust comment describing On constraint.
7840 2006-05-11 Jan Hubicka <jh@suse.cz>
7842 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7843 to be output at -O0.
7845 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7848 * fold-const.c (size_binop): Move sanity check for arguments to
7849 the beginning of the function.
7852 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7855 2006-05-11 Richard Guenther <rguenther@suse.de>
7858 * fold-const.c (fold_unary): Handle intermediate conversion
7859 to a pointer type like intermediate conversion to an integer
7860 type in folding of (T1)(T2)var to var.
7861 Match the code to the comment in the final conversion for
7862 (T1)(T2)var to (T1)var regarding to type precision. Rather
7863 than disallow T1 being of pointer type, assert that both T1
7864 and var are of pointer type or not. Make sure not to fall
7865 over the frontends lazyness wrt array to pointer decay though.
7867 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7869 * arm.c (arm_struct_value_rtx): Delete.
7870 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7871 (arm_init_cumulative_args): Always initialize nregs to zero.
7873 2006-05-10 Richard Guenther <rguenther@suse.de>
7875 PR tree-optimization/27532
7876 * tree-object-size.c (plus_expr_object_size): Fix typo.
7878 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7881 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7882 ashrdi_const, ashrdi3): Use a scratch register.
7884 2006-05-10 Richard Guenther <rguenther@suse.de>
7886 PR tree-optimization/27302
7887 * fold-const.c (operand_equal_p): For two comparisons,
7888 try comparison of one comparison code swapped if that yields
7891 2006-05-10 Ben Elliston <bje@au.ibm.com>
7893 * tree-pretty-print.c (pretty_print_string): No need to handle
7894 '\0' as a special character.
7896 * tree.h: Include "hashtab.h".
7897 (iterative_hash_expr): Use hashval_t in its prototype.
7898 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7900 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7903 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7904 (hppa*64*-*-hpux11*): Ditto.
7905 (hppa[12]*-*-hpux11*): Ditto.
7907 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7910 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7912 2006-05-09 Michael Matz <matz@suse.de>
7914 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7915 host_extra_gcc_objs and host_xmake_file.
7916 (<*-*-linux*>): Don't overwrite host_xmake_file.
7917 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7918 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7919 (host_detect_local_cpu): Declare.
7920 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7921 * config/i386/i386.c (override_options): Handle -mtune=native
7923 * config/i386/x-i386: New file.
7924 * config/i386/driver-i386.c: New file.
7925 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7928 2006-05-09 Dirk Mueller <dmueller@suse.de>
7929 Richard Guenther <rguenther@suse.de>
7932 * fold-const.c (fold_read_from_constant_string): Relax check
7933 for matching types to matching modes.
7935 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7937 PR rtl-optimization/27335
7938 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7941 2006-05-08 Chao-ying Fu <fu@mips.com>
7942 Richard Sandiford <richard@codesourcery.com>
7944 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7945 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7946 * config/mips/mips.md (UNSPEC_SCC): New constant.
7947 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7948 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7949 (mips_emit_compare): Use it.
7950 (mips_expand_vcondv2sf): New function.
7952 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7954 Fix PR tree-optimization/27093
7955 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7956 renaming when they become not-used_alone.
7958 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7960 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7961 relocation and relocation stubs.
7963 2006-05-08 Eric Christopher <echristo@apple.com>
7965 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7968 2006-05-08 Jan Hubicka <jh@suse.cz>
7971 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7972 unused static functions are needed.
7974 2006-05-08 Roger Sayle <roger@eyesopen.com>
7977 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7978 of a reg_equiv_constant if the result is a legitimate constant.
7980 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7983 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7984 standard 80387 constants, raise the cost to prevent
7985 compress_float_constant() to generate load from memory.
7987 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7989 * config/arm/constraints.md (c): Fix a typo.
7991 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7994 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7997 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7999 (_mm_mwait): Likewise.
8001 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8003 (sse3_monitor): Make it 32bit only.
8004 (sse3_monitor64): New. 64bit monitor.
8006 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8009 * config/i386/i386.c (classify_argument): Skip fields with invalid
8012 2006-05-07 Richard Guenther <rguenther@suse.de>
8014 PR tree-optimization/27409
8015 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8016 Do not try to find zero-sized subvars.
8018 2006-05-07 Richard Guenther <rguenther@suse.de>
8020 PR tree-optimization/27136
8021 * tree-ssa-loop-niter.c (get_val_for): Correct function
8022 comment, assert requirements.
8023 (loop_niter_by_eval): Stop processing if the iterated
8024 value did not simplify.
8026 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8028 * opts.c (flag_see): remove its setting at -O3.
8030 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8032 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8033 * arm/constraints.md: New file.
8034 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8035 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8036 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8037 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8038 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8039 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8040 * arm.md: Include constraints.md.
8041 (thumb_movsi_insn): Use satisfies_constraint_J.
8042 (movhi, movqi): Use satisfies_constraint_I.
8044 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8046 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8047 for atmeg a645 device.
8049 2006-05-06 Richard Guenther <rguenther@suse.de>
8051 PR tree-optimization/27151
8052 * tree-vect-transform.c (vectorizable_condition): Punt on
8053 values that have a different type than the condition.
8055 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8058 * c-parser.c (c_parser_cast_expression): Only insert casts into
8059 hash table if pointer.
8060 * function.c (used_types_insert_helper): Rename from
8062 (used_types_insert): Call used_types_insert_helper.
8063 * function.h (used_types_insert): Accept only one argument.
8065 2006-05-05 David Edelsohn <edesohn@gnu.org>
8067 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8068 scratch with output modifier.
8070 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8073 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8074 with output modifier.
8076 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8079 * config/mips/mips.c (mips_symbolic_address_p): Return true
8080 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8081 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8083 2006-05-04 Richard Guenther <rguenther@suse.de>
8085 PR tree-optimization/14287
8086 PR tree-optimization/14844
8087 PR tree-optimization/19792
8088 PR tree-optimization/21608
8089 PR tree-optimization/27090
8090 * tree-ssa-pre.c (try_combine_conversion): New function.
8091 (compute_avail): After constructing the value-handle
8092 expression, use try_combine_conversion to combine NOP_EXPRs
8093 with previous value-handle expressions and use the result if it
8096 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8098 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8100 2006-05-04 Jan Hubicka <jh@suse.cz>
8103 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8105 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8107 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8108 that this only matches CONST_INTs. All users changed to VOIDmode
8111 * config/bfin/bfin.c: Include "optabs.h".
8112 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8114 (enum bfin_builtins): Add a number of fractional and vector builtins.
8115 (bfin_init_builtins): Likewise.
8116 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8117 (safe_vector_operand, bfin_expand_binop_builtin,
8118 bfin_expand_unop_builtin): New functions.
8119 (bfin_expand_builtin): Handle the new builtins.
8120 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8123 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8126 * Makefile.in (OBJS-common): Add see.o.
8127 (see.o): Add dependencies.
8128 * common.opt (fsee): New flag for the see optimization was added.
8129 * opts.c (flag_see): Initialized.
8130 * passes.c (init_optimization_passes, pass_see): New pass.
8131 * rtl.h (see_main): Declaration as extern.
8132 * timevar.def (TV_SEE): New.
8133 * tree-pass.h (pass_see): Declaration as extern.
8134 * invoke.texi (-fsee): Document.
8135 * recog.c (validate_simplify_insn): New function.
8136 * recog.h (validate_simplify_insn): Declaration as extern.
8137 * df-problems.c (df_chain_dump): Check for NULL.
8139 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8140 Daniel Berlin <dberlin@dberlin.org>
8142 * cfgrtl.c (insert_insn_bb_end_new): New function.
8143 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8145 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8147 * df.h (struct web_entry): Moved from web.c.
8148 (union_defs): Declaration as extern.
8149 (unionfind_root): Likewise.
8150 (unionfind_union): Likewise.
8151 * web.c (struct web_entry): Moved to df.h.
8152 (unionfind_root): Remove static declaration.
8153 (unionfind_union): Likewise.
8154 (union_defs): Likewise and generalize to use callback function.
8155 (web_main): Update arguments for union_defs function call.
8157 2006-05-04 Richard Guenther <rguenther@suse.de>
8159 PR tree-optimization/26447
8160 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8161 produce SSA_NAME copies before the store stmt to avoid
8162 breaking exception handling.
8164 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8167 * gimplify.c (omp_is_private): If var is shared in some outer context,
8168 return false instead of true. Stop searching on parallel context
8171 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8174 * coverage.c: Use get_gcov_unsigned_t() instead of
8175 unsigned_type_node all over.
8177 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8179 PR tree-optimization/27381
8180 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8181 maintain the same immediate_use links.
8182 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8183 node rather than segfaulting.
8185 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8188 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8189 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8190 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8192 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8194 Fix PR tree-optimization/26626
8195 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8197 * tree-ssa-operands.c (access_can_touch_variable): Allow
8198 typecasting through union pointers.
8200 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8203 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8204 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8205 to find if var will be a global variable even in the nested context.
8206 (omp_copy_decl): Only check for global variable at the end, it might
8207 be overridden in outer contexts.
8208 (scan_sharing_clauses): For global variables don't create a field.
8209 (lower_rec_input_clauses): Do nothing for global shared variables.
8210 Emit a barrier at the end of ILIST if there were any decls in both
8211 firstprivate and lastprivate clauses.
8212 (lower_send_clauses): Do nothing for global variables except for
8215 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8217 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8218 of the correct signedness is returned.
8220 2006-05-02 Jeff Law <law@redhat.com>
8222 PR tree-optimization/27364
8223 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8224 multiply expressions.
8226 2006-05-02 Tom Tromey <tromey@redhat.com>
8228 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8230 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8233 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8234 -mthumb -fPIC are used.
8236 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8237 Joshua Kinard <kumba@gentoo.org>
8240 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8241 with 64-bit pointers.
8243 2006-05-02 Paul Brook <paul@codesourcery.com>
8245 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8247 (create_fix_barrier): Check that a suitable barrier location is
8249 (arm_reorg): Include ftmp->address in allowable range of addresses.
8251 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8254 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8257 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8260 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8261 around RESULT_DECL for result passed by reference.
8262 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8263 * omp-low.c (use_pointer_for_field): Don't look at
8264 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8265 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8266 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8267 time or var for passing by reference for
8268 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8269 TREE_ADDRESSABLE variables when passing by reference.
8271 * omp-low.c (dump_omp_region): Fix output formatting.
8274 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8275 (expand_omp_parallel): Likewise.
8276 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8279 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8280 on statement list containing also constructors and destructors.
8281 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8284 * except.c (duplicate_eh_regions): Fix clearing of
8285 cfun->eh->region_array entries.
8287 2006-05-01 DJ Delorie <dj@redhat.com>
8289 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8291 (gcc_cv_objdump): Likewise.
8292 * configure: Regenerated.
8294 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8297 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8298 templates for case 3 and 4.
8300 2006-05-01 DJ Delorie <dj@redhat.com>
8302 * vec.c: Include bconfig.h when appropriate.
8303 * Makefile.in (build/vec.o): Adjust dependencies.
8304 * mkconfig.sh: Make sure config.h isn't used for build machine
8307 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8309 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8311 (mark_phi_for_rewrite): New function.
8312 (insert_phi_nodes_for, mark_use_interesting): Call
8313 mark_phi_for_rewrite.
8314 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8315 (update_ssa): Initialize and free phis_to_rewrite.
8317 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8319 PR rtl-optimization/27291
8320 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8321 folded to a constant.
8323 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8325 PR tree-optimization/27283
8326 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8327 not whole # of iteration descriptions.
8328 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8329 uses abnormal ssa name.
8330 (niter_for_single_dom_exit): Ditto.
8331 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8332 return just the number of iterations.
8334 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8336 PR tree-optimization/27144
8337 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8338 (record_estimate): Only record constant upper bound.
8339 (infer_loop_bounds_from_undefined): Call
8340 compute_estimated_nb_iterations just once.
8341 (proved_non_wrapping_p): Renamed to ...
8342 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8343 (convert_step_widening, scev_probably_wraps_p): Call
8344 n_of_executions_at_most instead of proved_non_wrapping_p.
8345 (substitute_in_loop_info): Do not replace values in bounds.
8346 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8349 2006-05-01 Richard Henderson <rth@redhat.com>
8352 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8353 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8356 2006-05-01 Roger Sayle <roger@eyesopen.com>
8358 * c-typeck.c (parser_build_binary_op): Don't call the function
8359 unsigned_conversion_warning to spot operand/result type overflow.
8360 (build_binary_op): Instead, call convert_and_check instead of
8361 convert to report the problem when the operands are promoted.
8362 * c-common.c (unsigned_conversion_warning): Make static.
8363 * c-common.h (unsigned_conversion_warning): Delete prototype.
8365 2006-05-01 Richard Guenther <rguenther@suse.de>
8367 PR tree-optimization/26726
8368 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8370 (find_interesting_uses_address): ... we work around here
8371 by folding INDIRECT_REFs in the substituted base.
8373 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8375 * omp-low.c (dump_omp_region): Add newlines.
8377 2006-04-30 Roger Sayle <roger@eyesopen.com>
8379 * common.opt (Woverflow): New command line option.
8380 * c-common.c (constant_expression_warning): Check warn_overflow.
8381 (overflow_waring): Pass OPT_Woverflow to warning.
8382 (unsigned_conversion_warning): Likewise.
8383 (convert_and_check): Likewise.
8384 * doc/invoke.texi: Document new command line option.
8386 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8388 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8389 TARGET_NO_FP_IN_TOC for section anchors.
8390 (optimization_options): Enable section anchors for all
8391 non-"Objective" languages.
8393 2006-04-28 Eric Christopher <echristo@apple.com>
8395 * config/darwin-c.c (darwin_ms_struct): Move this
8396 (darwin_set_default_type_attributes): and this...
8397 * config/darwin.c: ... here.
8398 * config/darwin.h (darwin_ms_struct): Declare.
8400 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8402 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8404 2006-04-28 Roger Sayle <roger@eyesopen.com>
8407 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8408 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8409 an unsigned HOST_WIDE_INT.
8410 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8412 (really_start_incremental_init): No need to call convert because
8413 bitsize_zero_node is already of type bitsizetype.
8414 (push_init_level): Extract the value of constructor_index as an
8415 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8416 (process_init_element): Likewise.
8418 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8420 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8421 value before passing to make_relative_prefix.
8423 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8426 * builtins.c (expand_builtin_memset): Expand val in original mode.
8428 2006-04-27 Eric Christopher <echristo@apple.com>
8430 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8431 with #ifndef/#endif.
8432 * config/darwin-c.c (darwin_ms_struct): New.
8433 (darwin_pragma_ms_struct): Ditto.
8434 (darwin_set_default_type_attributes): Ditto.
8435 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8436 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8437 Register ms_struct pragma.
8438 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8439 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8440 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8441 darwin_set_default_type_attributes if TARGET_MACHO.
8443 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8445 PR tree-optimization/26854
8446 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8447 * doc/tree-ssa.texi: Update immuse iterator documentation.
8448 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8449 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8450 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8451 first_safe_imm_use, next_safe_imm_use): Remove.
8452 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8453 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8454 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8455 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8456 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8457 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8458 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8459 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8460 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8461 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8462 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8463 (perfect_nestify): Use new iterator.
8464 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8466 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8467 (next_imm_name): New field in struct immediate_use_iterator_d.
8468 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8469 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8470 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8471 * tree-cfg.c (replace_uses_by): Use new iterator.
8472 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8473 * tree-ssa-operands.c (correct_use_link): Remove.
8474 (finalize_ssa_use_ops): No longer call correct_use_link.
8476 2006-04-27 Stuart Hastings <stuart@apple.com>
8478 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8479 * config/t-darwin (crt3.o): Use it.
8480 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8481 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8482 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8483 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8484 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8487 2006-04-27 Roger Sayle <roger@eyesopen.com>
8489 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8490 size, force the intermediate into a new pseudo rather instead of
8491 performing both a bitwise AND and a bitwise IOR in memory.
8493 2006-04-27 Richard Guenther <rguenther@suse.de>
8495 PR rtl-optimization/26685
8496 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8497 this one "max-flow-memory-locations".
8499 2006-04-27 Richard Guenther <rguenther@suse.de>
8501 PR tree-optimization/25148
8502 * tree-vrp.c (compare_values): Remove code dealing with
8503 comparisons against type min/max value. Honour overflow
8504 and negative constants in code dealing with comparisons
8505 of plus and minus expressions.
8506 (value_inside_range): Use fold_binary with LE_EXPR and
8507 GE_EXPR rather than compare_values.
8509 2006-04-27 Dirk Mueller <dmueller@suse.de>
8511 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8514 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8516 * basic-block.h (safe_insert_insn_on_edge): Removed.
8517 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8519 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8520 Paolo Bonzini <bonzini@gnu.org>
8523 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8524 (simplify_and_const_int): Same.
8526 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8528 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8530 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8533 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8534 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8535 cgraph_global_info_ready.
8538 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8541 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8542 either decl or init is error_mark_node.
8545 * tree-flow.h (struct omp_region): Add sched_kind.
8546 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8547 instead of extracting omp for data.
8548 (expand_omp_for): Save extracted sched_kind.
8550 2006-04-25 Roger Sayle <roger@eyesopen.com>
8552 * expmed.c (store_bit_field): Also check whether the bitsize is
8553 valid for the machine's "insv" instruction before moving the
8554 target into a pseudo for use with the insv.
8555 * config/i386/predicates.md (const8_operand): New predicate.
8556 * config/i386/i386.md (extv, extzv, insv): Use the new
8557 const8_operand predicate where appropriate.
8559 2006-04-25 DJ Delorie <dj@redhat.com>
8561 * doc/install.texi (Specific): Clarify that this is not a list of
8562 supported hosts or targets.
8564 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8566 PR rtl-optimization/26725
8567 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8568 block's BB_DIRTY flag.
8570 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8572 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8575 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8576 to print an integer.
8578 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8580 * varasm.c (align_variable): New function.
8581 (get_block_for_decl): Apply align_variable to DECL before
8582 calculating section information.
8583 (assemble_variable): Split out alignment computation.
8585 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8587 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8590 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8592 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8593 MODE_PARTIAL_INT mode.
8594 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8595 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8597 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8598 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8600 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8602 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8604 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8605 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8606 MACFLAG_IH): Likewise.
8607 (movstricthi_1): Renamed from "*movstricthi".
8608 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8609 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8610 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8611 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8612 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8613 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8614 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8615 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8616 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8617 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8618 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8619 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8620 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8621 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8622 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8624 * doc/rtl.texi (ss_ashift): Improve wording.
8626 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8628 * dwarf2out.c (verify_marks_clear): New.
8629 (prune_unused_types): Call verify_marks_clear initially, not
8632 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8634 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8635 * doc/rtl.texi: Document them.
8636 * simplify-rtx.c (simplify_unary_operation,
8637 simplify_binary_operation_1): Don't abort when we see them.
8639 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8642 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8643 * configure.ac: Completely disregard languages that are not
8645 * configure: Regenerated.
8647 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8648 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/27236
8651 * tree-inline.c (copy_body_r): Make sure to copy
8652 TREE_THIS_VOLATILE flag.
8654 2006-04-24 Richard Guenther <rguenther@suse.de>
8657 * tree-complex.c (update_parameter_components): Don't handle
8658 unused parameters which have no default def.
8660 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8661 Richard Guenther <rguenther@suse.de>
8663 PR tree-optimization/27218
8664 * tree-inline.c (expand_call_inline): Strip useless type
8665 conversions for the return slot address.
8667 2006-04-24 Richard Guenther <rguenther@suse.de>
8669 * cfgloop.h (struct loops): Remove unused field array. Reorder
8671 (LOOP_PREFETCH): Remove.
8673 2006-04-24 Richard Guenther <rguenther@suse.de>
8675 PR tree-optimization/22525
8676 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8677 variable, adjust types of generated expressions.
8679 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8681 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8682 (tree-vect-patterns.o): Likewise.
8684 (cselib.o): Likewise.
8685 (loop-doloop.o): Likewise.
8686 (regclass.o): Likewise.
8687 (reload1.o): Likewise.
8688 (explow.o): Replace target.h with $(TARGET_H).
8689 (ipa-prop.o): Likewise.
8690 (ipa-cp.o): Likewise.
8691 (ipa-inline.o): Likewise.
8692 (reorg.o): Likewise.
8693 (reg-stack.o): Likewise.
8695 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8697 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8699 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8701 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8703 * configure.ac: Completely disregard languages that are not
8705 * configure: Regenerated.
8708 * c-common.h (c_build_bitfield_integer_type): Declare.
8709 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8710 * c-common.c (c_build_bitfield_integer_type): ... here.
8712 2006-04-23 Roger Sayle <roger@eyesopen.com>
8715 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8716 a SImode SUBREG of a floating point register after no_new_pseudos.
8718 2006-04-23 Roger Sayle <roger@eyesopen.com>
8720 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8721 identify potentially eliminable registers to additionally catch
8722 VIRTUAL_INCOMING_ARGS_REGNUM.
8723 (addsi3): Update the conditions on when to use addsi_small_int.
8725 2006-04-23 Roger Sayle <roger@eyesopen.com>
8728 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8729 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8730 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8732 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8734 * fold-const.c (range_predecessor): Use operand_equal_p
8735 as the predicate for equality.
8736 (range_successor): Likewise.
8738 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8741 * config/soft-fp/op-common.h: Fix a typo.
8743 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8746 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8747 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8749 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8751 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8753 * doc/tm.texi: Fix a typo.
8755 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8757 * dwarf2out.c (struct die_struct): Document that die_sib makes
8758 a circular linked list.
8759 (FOR_EACH_CHILD): New.
8760 (reverse_die_lists): Delete.
8761 (reverse_all_dies): Delete.
8762 (add_dwarf_attr): Correct documentation.
8763 (remove_child_with_prev): New.
8764 (remove_child_TAG): Update for change to die_struct, use
8765 remove_child_with_prev.
8766 (add_child_die): Update for change to die_struct.
8767 (splice_child_die): Use remove_child_with_prev and add_child_die.
8768 (print_die): Use FOR_EACH_CHILD.
8769 (die_checksum): Likewise.
8770 (assign_symbol_names): Likewise.
8771 (output_location_lists): Likewise.
8772 (build_abbrev_table): Likewise.
8773 (calc_die_sizes): Likewise.
8774 (mark_dies): Likewise.
8775 (unmark_dies): Likewise.
8776 (unmark_all_dies): Likewise.
8777 (output_die): Likewise.
8778 (prune_unused_types_mark): Likewise.
8779 (prune_unused_types_walk): Likewise.
8780 (same_die_p): Update for change to die_struct.
8781 (break_out_includes): Likewise.
8782 (prune_unused_types_prune): Likewise.
8783 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8784 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8786 (dwarf2out_finish): Don't call reverse_all_dies.
8788 2006-04-21 Eric Christopher <echristo@apple.com>
8790 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8791 in comments and function names.
8793 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8796 * c-typeck.c (digest_init): Robustify.
8798 * c-typeck.c (pop_init_level): Simplify.
8800 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8802 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8804 2006-04-21 Paul Brook <paul@codesourcery.com>
8806 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8807 hardware floating point.
8809 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8811 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8814 2006-04-21 Nick Clifton <nickc@redhat.com>
8816 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8819 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8822 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8823 C++ lang type in traceback table for Objective-C++.
8825 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8827 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8829 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8831 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8834 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8835 were errors. Remove check for erroneous objects.
8837 2006-04-20 Jeff Law <law@redhat.com>
8839 PR tree-optimization/26854
8840 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8841 checking for zero or one use.
8842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8843 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8844 * tree-ssa-reassoc.c (negate_value): Similarly.
8845 (reassociate_bb): Similarly.
8847 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8849 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8850 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8851 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8853 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8855 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8856 fp regs if the last fp arg doesn't fit in regs.
8858 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8861 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8862 that the last insn has the REG_INC note.
8864 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8865 Nathan Sidwell <nathan@codesourcery.com>
8868 * stor-layout.c (update_alignment_for_field): Do not align
8870 (place_union_field): Place union field at the start of the union.
8871 (place_field): Move ERROR_MARK check later, and use the current
8872 allocation position to maintain monotonicity.
8874 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8876 * dominance.c: Include timevar.h.
8877 (calculate_dominance_info): Use TV_DOMINANCE.
8878 * timevar.def (TV_DOMINANCE): New timevar.
8879 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8881 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8883 PR rtl-optimization/14261
8884 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8885 move would be an INSV insn.
8886 (noce_process_if_block): Don't optimize if the destination is a
8887 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8889 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8891 * config/s390/s390.md: Add comments with the instructions emitted
8892 by an insn pattern if macros are used.
8894 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8896 PR rtl-optimization/26026
8897 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8898 is a known power of two shifted left a variable amount.
8900 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8902 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8903 to hash table twice when the debug_str section has SECTION_MERGE.
8905 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8907 * config/soft-fp: New directory. From glibc.
8908 * config/soft-fp/t-softfp: New.
8909 * config/soft-fp/README: New.
8910 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8911 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8912 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8913 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8914 * config.gcc: Use rs6000/t-fprules-fpbit or
8915 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8917 * config/rs6000/sfp-machine.h: New. Based on glibc.
8918 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8920 * config/rs6000/t-fprules: Remove fp-bit rules.
8921 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8922 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8923 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8924 (softfp_wrap_start, softfp_wrap_end): New.
8926 2006-04-18 DJ Delorie <dj@redhat.com>
8928 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8930 2006-04-18 Devang Patel <dpatel@apple.com>
8932 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8934 2006-04-18 Nick Clifton <nickc@redhat.com>
8936 * config/sh/t-symbian: Add rule to build sh-c.o
8937 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8938 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8939 (sh_symbian_encode_section_info): Likewise.
8941 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8943 * builtins.c (expand_builtin_strcmp): Cover label definition of
8944 do_libcall with HAVE_cmpstrnsi.
8946 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8948 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8950 * function.h (temp_slot_p): New.
8951 (function): Change the type of x_used_temp_slots to
8952 VEC(temp_slot_p,gc) *.
8954 2006-04-18 Nick Clifton <nickc@redhat.com>
8956 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8957 flag_strength_reduce.
8959 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8961 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8965 Partial revert of revision 112637
8966 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8967 Dale Johannesen <dalej@apple.com>
8970 * regclass.c (struct reg_pref): Update documentation.
8971 (regclass): Set prefclass to NO_REGS if memory is the best option.
8972 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8974 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8976 PR tree-optimization/26821
8977 * tree-ssa-math-opts.c (get_constant_one): New.
8978 (insert_reciprocals): Use it.
8980 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8982 * dwarf2out.c (free_AT): Delete.
8983 (remove_AT): Update string ref counts.
8984 (remove_child_TAG): Don't call free_die.
8986 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8987 or DW_TAG_GNU_EINCL.
8988 (prune_unused_types_walk_attribs): Reset string refcounts.
8989 (prune_unused_types_update_strings): New.
8990 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8991 call free_die. Do call prune_unused_types_update_strings.
8992 (prune_unused_types): Empty debug_str_hash.
8994 2006-04-17 Roger Sayle <roger@eyesopen.com>
8996 * expr.c (expand_assignment): Optimize away no-op moves where the
8997 source and destination are equal and have no side-effects.
8999 2006-04-17 Richard Guenther <rguenther@suse.de>
9002 * reload.c (push_reload): Guard calls to get_secondary_mem
9005 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9007 * alias.c (reg_base_value, old_reg_base_value): Change the
9008 type to VEC(rtx,gc) *.
9009 (REG_BASE_VALUE, find_base_value, record_set,
9010 init_alias_analysis): Use VEC instead of VARRAY.
9012 * alias.c (alias_sets): Change the type to
9013 VEC(alias_set_entry,gc) *.
9014 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9015 VEC instead of VARRAY.
9016 (last_alias_set): Remove.
9018 * cgraph.h (cgraph_edge_p): New.
9019 Update the prototype of cgraph_function_versioning.
9020 * cgraphunit.c (cgraph_copy_node_for_versioning,
9021 cgraph_function_versioning): Use VEC instead of VARRAY.
9022 * ipa-cp.c (ipcp_insert_stage): Likewise.
9024 2006-04-16 Roger Sayle <roger@eyesopen.com>
9027 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9028 "A op B" or "A op C", we may need to convert A to the type of B and C.
9030 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9032 * target.h (struct gcc_target): Add mode_rep_extended.
9033 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9034 (init_num_sign_bit_copies_in_rep): Initialize it using
9036 (truncate_to_mode): Use it.
9037 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9038 * targhooks.h (default_mode_rep_extended): Declare it.
9039 * targhooks.c (default_mode_rep_extended): Define it.
9040 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9041 default_mode_rep_extended.
9042 (TARGET_INITIALIZER): Include it.
9043 * doc/tm.texi (Misc): Document it.
9044 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9045 (mips_truncated_to_mode): New function.
9047 2006-04-16 Roger Sayle <roger@eyesopen.com>
9050 * expr.c (compress_float_constant): Copy the narrow constant into
9051 a new pseudo before extending it to its final width.
9053 2006-04-16 Roger Sayle <roger@eyesopen.com>
9054 Andrew Pinski <pinskia@gcc.gnu.org>
9055 Dale Johannesen <dalej@apple.com>
9058 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9059 special case code to implement V8HImode and V16QImode with SSE2.
9061 2006-04-15 Roger Sayle <roger@eyesopen.com>
9063 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9064 trees are constructed with a suitable tree type.
9066 2006-04-15 Roger Sayle <roger@eyesopen.com>
9068 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9069 (integer_onep): Likewise.
9070 (integer_all_onesp): Likewise.
9071 (integer_pow2p): Likewise.
9072 (integer_nonzerop): Likewise.
9073 (real_zerop): Likewise.
9074 (real_onep): Likewise.
9075 (real_twop): Likewise.
9076 (real_minus_onep): Likewise.
9077 (int_size_in_bytes): Likewise.
9078 (host_integerp): Likewise.
9080 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9082 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9083 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9084 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9086 * tree-ssa-structalias.h (alias_info): Remove num_references.
9088 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9090 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9091 (output_bvb patterns): Likewise.
9092 * pa.c (output_bb): Use 'bb' insn for long branch case.
9093 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9094 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9095 1. Correct length operand for alternatives 1 and 2.
9096 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9097 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9099 2006-04-14 Roger Sayle <roger@eyesopen.com>
9101 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9102 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9103 were accidentally reverted by r112959.
9105 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9108 * except.h (eh_region_outermost): New prototype.
9109 * except.c (eh_region_outermost): New function.
9110 * tree-cfg.c (find_outermost_region_in_block): Use it.
9112 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9114 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9116 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9117 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9118 (init_reload, reload): Use VEC instead of VARRAY.
9119 * reload.h: Update the prototype for
9120 reg_equiv_memory_loc_varray.
9122 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9123 Eric Botcazou <ebotcazou@libertysurf.fr>
9125 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9128 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9131 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9132 to expand fallback builtin function call.
9134 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9137 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9138 and emit libcall here in case the builtin fails.
9139 (expand_builtin_strcmp): Always emit the libcall here on failure.
9141 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9143 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9144 * flow.c (reg_n_info): Change the type to
9145 VEC(reg_info_p,heap) *.
9146 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9148 * regs.h (reg_info_p): New.
9149 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9150 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9151 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9154 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9156 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9158 * params.h (MAX_SCHED_READY_INSNS): New macro.
9159 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9160 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9161 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9162 the ready list for 1 cycle during the first scheduling pass.
9163 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9165 2006-04-13 Richard Henderson <rth@redhat.com>
9168 * gimple-low.c (lower_omp_directive): Remove dead code.
9169 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9170 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9171 * omp-low.c (struct omp_region): Move to tree-flow.h.
9172 (root_omp_region): Export.
9173 (omp_regions, lookup_omp_region): Remove.
9174 (determine_parallel_type): Update for struct omp_region changes.
9175 (dump_omp_region): Dump regions with block numbers.
9176 (new_omp_region): Take type and block instead of stmt; malloc
9178 (free_omp_region_1, free_omp_regions): New.
9179 (expand_parallel_call): Take entry_stmt as argument; update for
9180 changes to omp_region.
9181 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9182 (remove_exit_barriers): New.
9183 (expand_omp_parallel): Update for struct omp_region changes.
9184 (expand_omp_synch): Likewise.
9185 (expand_omp): Likewise.
9186 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9187 (expand_omp_for_static_chunk): Likewise.
9188 (expand_omp_for): Likewise.
9189 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9190 (expand_omp_sections): Similarly, with GOMP_sections_end.
9191 (expand_omp_single): New.
9192 (build_omp_regions_1): Update for OMP_CONTINUE.
9193 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9194 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9195 OMP_SECTIONS_SECTIONS.
9196 (lower_omp_single_simple): Don't emit barrier here.
9197 (lower_omp_single_copy): Likewise.
9198 (lower_omp_single): Fix bindings, and lower to straightline now.
9199 (lower_omp_master, lower_omp_ordered): Likewise.
9200 (lower_omp_critical): Likewise.
9201 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9202 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9203 omp edges, free it afterward.
9204 (make_omp_sections_edges): Remove.
9205 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9206 (move_stmt_r): Handle OMP_CONTINUE.
9207 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9208 statement pointers to basic blocks. Add type member.
9209 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9210 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9211 * tree-inline.c (estimate_num_insns_1): Likewise.
9212 * tree-pretty-print.c (dump_generic_node): Likewise.
9213 * tree-ssa-operands.c (get_expr_operands): Likewise.
9214 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9215 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9216 (OMP_CONTINUE): New.
9217 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9218 (OMP_SECTIONS_SECTIONS): Remove.
9219 (OMP_SECTION_LAST): New.
9220 (OMP_RETURN_NOWAIT): New.
9222 2006-04-13 Roger Sayle <roger@eyesopen.com>
9224 * fold-const.c (native_encode_vector, native_interpret_real):
9225 Correct obvious mistakes in the previous check-in.
9227 2006-04-13 Roger Sayle <roger@eyesopen.com>
9229 * fold-const.c (native_encode_expr): New function to encode
9230 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9231 or VECTOR_CST into a specified buffer.
9232 (native_encode_int): New function.
9233 (native_encode_real): New function.
9234 (native_encode_complex): New function.
9235 (native_encode_vector): New function.
9236 (native_interpret_expr): Inverse of native_encode_expr to convert
9237 a target representation into an INTEGER_CST, REAL_CST etc...
9238 (native_interpret_int): New function.
9239 (native_interpret_real): New function.
9240 (native_interpret_complex): New function.
9241 (native_interpret_vector): New function.
9242 (fold_view_convert_expr): New function to constant fold/evaluate
9243 a VIEW_CONVERT_EXPR of a suitable constant expression.
9244 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9245 Change call of build1 to fold_build1 when constructing a
9248 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9249 Ulrich Weigand <uweigand@de.ibm.com>
9252 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9255 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9258 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9259 optimize to lo_sum for DFmode if !TARGET_FPRS.
9261 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9263 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9264 delete_alias_info, compute_flow_sensitive_aliasing,
9265 group_aliases): Use VEC instead of VARRAY.
9266 * tree-ssa-structalias.c (update_alias_info): Likewise.
9267 * tree-ssa-structalias.h (alias_info): Change the type of
9268 processed_ptrs to VEC(tree,heap) *.
9270 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9273 * config/sh/lib1funcs.h: New file, broken out of:
9274 * config/sh/lib1funcs.asm.
9275 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9277 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9278 * config/sh/lib1funcs-Os-4-200.asm: New file.
9279 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9280 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9281 (EXTRA_MULTILIB_PARTS): Include it.
9282 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9283 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9284 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9285 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9288 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9290 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9291 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9292 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9294 * tree-ssa-live.h: Include vecprim.h.
9295 (tree_partition_associator_d): Change the type of
9296 first_partition to VEC(int,heap) *.
9297 (tpa_first_partition): Use VEC instead of VARRAY.
9299 * Makefile.in (GTFILES): Move functions.h after tree.h.
9300 * function.c (reset_block_changes, record_block_change,
9301 check_block_change, free_block_changes): Use VEC instead of
9303 * function.h (function): Change the type of
9304 ib_boundaries_block to VEC(tree,gc) *.
9305 * tree-inline.c (copy_cfg_body): Initialize
9306 ib_boundaries_block to NULL instead of (varray_type) 0.
9308 2006-04-12 Roger Sayle <roger@eyesopen.com>
9310 * expr.c (emit_group_store): Correct operand order in call to
9311 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9312 a SUBREG_BYTE of zero.
9314 2006-04-12 Richard Guenther <rguenther@suse.de>
9316 * profile.c (compute_branch_probabilities): Remove code
9317 encapsulated in !ir_type (), which are remanents of the
9318 removed RTL profiling code.
9319 * rtl-profile.c: Remove.
9321 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9323 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9324 magic NULL_RTX comment.
9325 (function_arg): Store entire fp arg to mem if any part should go
9327 (rs6000_arg_partial_bytes): Adjust for above change.
9329 2006-04-11 Roger Sayle <roger@eyesopen.com>
9331 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9332 if it hasn't been initialized by dwarf2out_init.
9334 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9336 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9337 symbolic constants in branch patterns.
9339 2006-04-11 Roger Sayle <roger@eyesopen.com>
9341 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9343 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9345 PR rtl-optimization/27073
9346 * gcse.c (try_replace_reg): Revert last change. Continue to search
9347 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9350 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9352 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9353 aggregate types other than record and union types.
9354 (function_arg): Likewise.
9355 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9357 (function_value): In 64-bit mode, return objects that require it
9360 2006-04-11 Roger Sayle <roger@eyesopen.com>
9362 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9364 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9366 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9368 2006-04-03 Jeff Law <law@redhat.com>
9371 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9372 alias information too.
9374 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9376 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9378 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9381 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9382 (premark_used_types_helper): New.
9383 (premark_used_types): New.
9384 (gen_subprogram_die): Call premark_used_types.
9385 (prune_unused_types_walk): Do not prune perennial dies.
9386 * function.c (used_types_insert): New.
9387 * function.h (struct function): Add used_types_hash field.
9388 (used_types_insert): Add prototype.
9389 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9390 * c-parser.c (c_parser_cast_expression): Save casted types in used
9393 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9396 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9397 rs6000_explicit_options.float_gprs.
9399 2006-04-10 Roger Sayle <roger@eyesopen.com>
9401 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9402 from ix86_expand_vector_init_low_nonzero. Take an additional
9403 one_var argument indicating which element is non-zero. Support
9404 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9405 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9406 with one_var instead of ix86_expand_vector_init_low_nonzero.
9408 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9410 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9411 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9412 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9413 build/genextract.o): Depend on vecprim.h.
9414 * cfglayout.c, df-problems.c, function.c, genextract.c,
9415 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9416 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9420 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9422 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9423 Declare VECs of this type.
9424 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9425 (remove_children): Delete.
9426 (add_dwarf_attr): Use VEC routines.
9427 (add_AT_flag): Update for changes to add_dwarf_attr.
9428 (add_AT_int): Likewise.
9429 (add_AT_unsigned): Likewise.
9430 (add_AT_long_long): Likewise.
9431 (add_AT_vec): Likewise.
9432 (add_AT_string): Likewise.
9433 (add_AT_die_ref): Likewise.
9434 (add_AT_fde_ref): Likewise.
9435 (add_AT_loc): Likewise.
9436 (add_AT_loc_list): Likewise.
9437 (add_AT_addr): Likewise.
9438 (add_AT_lbl_id): Likewise.
9439 (add_AT_lineptr): Likewise.
9440 (add_AT_macptr): Likewise.
9441 (add_AT_offset): Likewise.
9442 (add_AT_range_list): Likewise.
9443 (get_AT): Use VEC_iterate.
9444 (remove_AT): Use VEC_ordered_remove.
9445 (free_die): Fold remove_children into here; have it use VEC_iterate.
9446 (print_die): Use VEC_iterate on attrs.
9447 (reverse_die_lists): Don't reverse attr lists.
9448 (die_checksum): Use VEC_iterate on attrs.
9449 (same_die_p): Likewise.
9450 (output_location_lists): Likewise.
9451 (build_abbrev_table): Likewise.
9452 (size_of_die): Likewise.
9453 (unmark_all_dies): Likewise.
9454 (output_abbrev_section): Likewise.
9455 (output_die): Likewise.
9456 (prune_unused_types_walk_attribs): Likewise.
9458 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9460 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9462 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9465 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9467 2006-04-09 Roger Sayle <roger@eyesopen.com>
9469 * expr.c (store_constructor): Don't bother clearing target if
9470 we're about to assign a vector to it using vec_init_optab.
9472 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9474 * tree-ssa-alias.c (lhs_may_store_to): New function.
9475 (recalculate_used_alone): Handle LHS of calls.
9477 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9481 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9482 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9483 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9484 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9485 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9486 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9487 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9488 stubs. Add ".align 8" directives before all ".dword" directives.
9489 (GTHREAD_USE_WEAK): Revise comment.
9490 (TARGET_ATTRIBUTE_WEAK): Define.
9491 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9492 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9493 * stublib.c: New file.
9498 * pa.md (cbranch patterns): Revise arguments used in calls to
9499 output_cbranch, output_bb and output_bvd. Add long branch length
9501 (fbranch patterns): Handle long branches.
9502 (jump): Revise length check. Revise arguments for output_lbranch call.
9503 Add long branch length attributes.
9504 (decrement_and_branch_until_zero): Add long branch length attributes.
9505 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9506 Likewise. Revise arguments for output_parallel_addb and
9507 output_parallel_movb calls.
9508 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9509 output_parallel_movb and output_parallel_addb): Update prototypes.
9510 * pa.c (output_cbranch): Revise arguments. Correct handling of
9511 nullification in long branches.
9512 (output_lbranch): Add new argument to control extraction of delay
9514 (output_bb): Handle long branches.
9515 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9516 output_parallel_addb): Likewise.
9518 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9520 PR rtl-optimization/27073
9521 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9524 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9526 * tree.h (tree_memory_tag): Add old_used_alone.
9527 (SMT_OLD_USED_ALONE): New macro.
9528 * tree-ssa-alias.c (recalculate_used_alone): Stop
9529 marking things for renaming unnecessarily.
9531 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9533 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9534 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9535 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9536 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9537 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9538 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9539 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9540 spelling convensions.
9541 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9542 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9543 typos. Follow spelling conventions.
9545 2006-04-07 DJ Delorie <dj@redhat.com>
9547 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9548 passed on the stack.
9549 (m32c_init_cumulative_args): When a function returns a structure,
9550 always pass the pointer to that return area on the stack.
9551 (m32c_function_arg_advance): Don't increment the parameter number
9552 if we're processing the returned structure pointer.
9553 (pushm_info): Reverse order of registers.
9555 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9557 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9558 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9559 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9560 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9562 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9563 chrec_fold_multiply): Same.
9564 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9565 force_expr_to_var_cost): Same.
9566 * tree-mudflap.c (mf_xform_derefs_1): Same.
9567 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9569 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9571 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9572 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9575 2006-04-07 Jan Hubicka <jh@suse.cz>
9577 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9579 2006-04-07 Richard Guenther <rguenther@suse.de>
9581 PR tree-optimization/26135
9582 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9583 loads for store copy-prop.
9584 (copy_prop_visit_stmt): Likewise.
9586 2006-04-05 Robert Millan <robertmh@gnu.org>
9588 * config/i386/linux.h: Add a comment to mark macros that are
9589 being overriden in config/k*bsd-gnu.h.
9590 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9592 * config/knetbsd-gnu.h: Ditto.
9594 2006-04-06 Jan Hubicka <jh@suse.cz>
9598 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9601 2006-04-06 Mike Stump <mrs@apple.com>
9603 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9604 for HAVE_nonlocal_goto to be consistent.
9605 (expand_builtin_nonlocal_goto): Likewise.
9606 (expand_builtin_strcmp): Use #ifdef instead of #if
9607 for HAVE_cmpstrnsi to be consistent.
9609 2006-04-05 DJ Delorie <dj@redhat.com>
9611 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9614 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9616 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9617 got-relative addressing for anything but SImode.
9619 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9620 even if the calling function doesn't modify them.
9622 2006-04-05 Richard Guenther <rguenther@suse.de>
9624 PR tree-optimization/26919
9625 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9626 to cgraph_estimate_size_after_inlining.
9628 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9630 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9632 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9634 PR tree-optimization/26996
9635 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9636 VECTOR_TYPE variables.
9638 2006-04-05 Richard Guenther <rguenther@suse.de>
9640 PR tree-optimization/26763
9641 * fold-const.c (fold_comparison): Move folding of
9642 PTR + CST CMP PTR + CST ...
9643 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9645 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9647 * doc/install.texi (Prerequisites): Refine some wording on
9648 bootstrapping and ksh.
9649 Move the version numbers of DejaGnu here from the testing section
9650 and fix casing of names.
9651 Fix markup and clarify wording for autogen requirements.
9652 Refer to GCJ instead of just java.
9653 Refer to SVN instead of CVS.
9654 Describe diffutils as useful instead of necessary.
9655 (Downloading the source): Refer to SVN instead of CVS.
9656 Adjust a link to our web site accordingly.
9657 (Configuration): Fix casing of Bison.
9658 (Building): Refer to SVN instead of CVS.
9659 Fix a sentence on the use of Bison and remove duplicate (and
9660 incorrect) version number of Bison requirement.
9661 Remove one redundant list of packages needed for building.
9662 (Specific): Avoid reference to CVS.
9664 2006-04-04 Eric Christopher <echristo@apple.com>
9666 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9667 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9668 (rs6000_handle_struct_attribute): New.
9669 (rs6000_ms_bitfield_layout_p): Ditto.
9671 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9673 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9674 NULL for dso parameter to atexit_common.
9676 2006-04-04 Eric Christopher <echristo@apple.com>
9678 * config/i386/i386.c (machopic_output_stub): Output \t
9679 between instructions and operands.
9681 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9683 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9684 satisfies_constraint_[IL] to explicit tests on value.
9686 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9688 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9689 set_nb_iterations_in_loop): Use build_int_cst instead of
9691 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9692 build_int_cst instead of convert.
9694 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9696 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9697 new value 2 for incoming.
9698 * function.c (expand_function_start): Call struct_value_rtx
9700 * config/sparc/sparc.md: Comment updated_return.
9701 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9702 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9703 struct return if sparc_std_struct_return and incoming is 2.
9704 (print_operand): Do not adjust return if
9705 sparc_std_struct_return.
9707 2006-04-04 Roger Sayle <roger@eyesopen.com>
9709 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9710 convert in the middle-end.
9711 * expr.c (store_expr, store_constructor, get_inner_reference,
9712 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9714 * tree.c (build_range_type): Likewise.
9716 2006-04-04 Tom Tromey <tromey@redhat.com>
9718 * doc/install.texi (Prerequisites): Mention jar.
9720 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9722 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9725 2006-04-04 Matthias Klose <doko@debian.org>
9727 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9731 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9734 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9736 * doc/extend.texi (Function Attributes): Rewrite visibility
9737 attribute documentation.
9738 * doc/invoke.texi (C++ Dialect Options): Rewrite
9739 -fvisibility-inlines-hidden documentation to describe something
9740 entirely different, although in practise compatible.
9741 (Code Gen Options): Warn about system headers in -fvisibility=
9744 * doc/extend.texi (Other Builtins): Document that
9745 __builtin_nan is a compile-time constant only when its argument
9748 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9750 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9751 trying to remove TRUNCATE check if all bits outside the new mode
9752 are identical to the sign bit.
9754 2006-04-03 Jeff Law <law@redhat.com>
9756 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9757 and operand scanning in some common cases.
9759 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9760 Dale Johannesen <dalej@apple.com>
9763 * regclass.c (struct reg_pref): Update documentation.
9764 (regclass): Set prefclass to NO_REGS if memory is the best option.
9765 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9766 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9767 into account. For non-registers, equate an empty preferred
9768 reload class to a `!' in the constraint; move the if clause to
9769 do so after those that reject the insn.
9770 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9772 (find_dummy_reload): Likewise.
9773 * doc/tm.texi (Register Classes): Document what it means
9774 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9775 * config/i386/i386.c (ix86_preferred_reload_class): Force
9776 using SSE registers (and return NO_REGS for floating-point
9777 constants) if math is done with SSE.
9778 (ix86_preferred_output_reload_class): New.
9779 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9780 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9781 * config/i386/i386.md: Remove # register preferences.
9783 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9786 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9787 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9788 the type of nb_iter.
9789 (instantiate_parameters_1): Convert the operands before calling
9790 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9791 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9793 2006-04-02 Roger Sayle <roger@eyesopen.com>
9795 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9796 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9798 * dojump.c (do_jump): Likewise.
9799 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9800 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9801 gimplify_boolean_expr): Likewise.
9802 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9803 * varasm.c (array_size_for_constructor): Likewise.
9804 * tree-object-size.c (compute_object_offset): Likewise.
9806 2006-04-02 Roger Sayle <roger@eyesopen.com>
9809 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9810 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9812 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9814 PR tree-optimization/26939
9815 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9817 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9819 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9820 at_stmt. Convert the type of operands before calling
9821 build_polynomial_chrec.
9822 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9824 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9825 (instantiate_parameters_1): Convert the type of operands before calling
9826 build_polynomial_chrec.
9827 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9828 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9829 reset_evolution_in_loop): Insert asserts to check the types of the
9831 (chrec_type): Moved...
9832 (eq_evolutions_p): Use operand_equal_p.
9833 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9834 the types of the operands.
9835 (chrec_type): ...here.
9836 * tree-data-ref.c (create_data_ref): Convert the operands before
9837 calling chrec_replace_initial_condition.
9838 (same_access_functions, analyze_subscript_affine_affine,
9839 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9840 (compute_subscript_distance, analyze_ziv_subscript,
9841 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9842 analyze_miv_subscript): Convert the operands before calling
9843 chrec_fold_minus or chrec_fold_plus.
9845 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9847 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9848 the dependence_relations vector.
9849 (compute_data_dependences_for_loop): Adjust call to
9850 compute_all_dependences.
9852 2006-04-01 Roger Sayle <roger@eyesopen.com>
9853 Richard Henderson <rth@redhat.com>
9855 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9856 gimple_boolify on the condition before calling gimplify_expr.
9858 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9860 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9861 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9862 the frame size. Update to use the new macros.
9863 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9864 * config/xtensa/ieee754-df.S: Likewise.
9866 2006-03-31 Richard Henderson <rth@redhat.com>
9868 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9869 (make_edges): ... here. Control fallthru creation with a local
9870 variable. Do not play with fake edges.
9871 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9872 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9875 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9877 * dwarf2.h (DW64_CIE_ID): Define.
9878 * dwarf2out.c (DWARF_CIE_ID): Define.
9879 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9880 length header. Use DWARF_CIE_ID.
9881 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9882 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9884 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9886 * config/sh/linux-atomic.asm: New file.
9887 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9889 2006-03-31 DJ Delorie <dj@redhat.com>
9891 * config/m32c/cond.md: Set condition flags properly throughout.
9892 * config/m32c/minmax.md: Likewise.
9893 * config/m32c/prologue.md: Likewise.
9894 * config/m32c/bitops.md: Likewise.
9895 * config/m32c/muldiv.md: Likewise.
9896 * config/m32c/mov.md: Likewise.
9897 * config/m32c/addsub.md: Likewise.
9898 * config/m32c/m32c.md: Likewise.
9899 * config/m32c/jump.md: Likewise.
9900 * config/m32c/shift.md: Likewise.
9902 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9903 conditionally output the pattern for this.
9904 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9905 (m32c_compare_redundant): New.
9906 (m32c_output_compare): New.
9907 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9909 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9910 dest, not src. Allow other 4-byte modes.
9912 2006-03-30 Denis Chertykov <denisc@overta.ru>
9914 * doc/md.texi: Refer to avr/constraints.md instead of
9917 2006-03-30 Roger Sayle <roger@eyesopen.com>
9919 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9920 signed vs. unsigned comparison failures on some hosts.
9922 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9925 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9926 change to FLOAT_REGS.
9928 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9929 (rs6000_override_options): Use it.
9930 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9931 only for -mabi=spe/no-spe and -mabi=altivec.
9933 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9935 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9938 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9940 * Makefile.in: Rename docdir to gcc_docdir.
9942 2006-03-30 Roger Sayle <roger@eyesopen.com>
9945 * expr.c (emit_group_store): Optimize group stores into a pseudo
9946 register by using a paradoxical subreg to initialize the destination
9947 if the first or last member of the group specifies a "low part".
9949 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9952 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9953 * target.h (struct gcc_target.speculate_insn): Change type of the
9954 second parameter to 'int'.
9955 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9956 the second operand of the DEPS_LIST.
9957 (copy_DEPS_LIST_list): Update reference to the second operand of the
9959 * rtl.h (alloc_DEPS_LIST): Update signature.
9960 * sched-int.h (ds_t): Change typedef to 'int'.
9961 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9963 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9965 * haifa-sched.c (try_ready): Change condition to restore
9966 non-speculative pattern of the instruction.
9967 (process_insn_depend_be_in_spec): Code to keep probability of the
9968 speculative dependence non-decreasing.
9970 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9972 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9973 (single_move_for_movmem): ... this. Also change all uses.
9974 (bfin_expand_strmov): Renamed to...
9975 (bfin_expand_movmem): ... this. Also change all uses.
9976 * config/bfin/bfin.md (movstrsi): Renamed to...
9977 (movstrsi): ...this.
9979 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9981 PR tree-optimization/26830
9983 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9984 (copy_prop_visit_stmt): Remove write-only variable ann.
9985 (init_copy_prop): Check variable loop depth here. Do not simulate
9986 memory-tag and virtual operand PHIs except for store copy prop.
9988 2006-03-30 Richard Guenther <rguenther@suse.de>
9990 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9991 variants with double arguments.
9993 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9995 * genpreds.c (write_tm_constrs_h): Delete variable p.
9996 * genconditions.c (write_header): Add tm-constrs.h to included
9998 * genpeep.c (main): Add toplev.h to included headers.
9999 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10000 (build/genpeep.o): Add toplev.h dependency.
10001 * config/rs6000/constraints.md: Add "W" constraint.
10003 2006-03-29 Roger Sayle <roger@eyesopen.com>
10005 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10006 sizes by correctly testing whether the size fits a host integer.
10007 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10008 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10009 SImode range for the default sizetype and bitsizetype.
10011 2006-03-29 Roger Sayle <roger@eyesopen.com>
10013 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10014 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10015 quickly if the argument is already of the correct type.
10016 Call fold_build1 instead of build1. Tidy up blank lines.
10018 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10020 * genemit.c (main): Add tm-constrs.h to included headers.
10021 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10022 * genpeep.c (main): Add tm-constrs.h to included headers.
10023 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10024 (write_tm_constrs_h): this and write complete file.
10025 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10026 (write_insn_preds_c): Add tm-constrs.h to included headers.
10027 (gen_constrs): New variable.
10028 (parse_option): Parse "-c".
10029 (main): Invoke write_tm_constrs_h.
10030 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10031 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10032 (object_out_file): Add tm-constrs.h dependency.
10033 (insn-emit.o): Same.
10034 (insn-output.o): Same.
10035 (insn-peep.o): Same.
10036 (insn-preds.o): Same.
10037 (insn-recog.o): Same.
10038 (tm-constsr.h): New target.
10039 (s-constrs-h): New target.
10041 * config/rs6000/constraints.md: New file.
10042 * config/rs6000/rs6000.c: Include tm-constrs.h.
10043 (num_insn_constant_wide): Convert to satisfies_constraint.
10044 (rs6000_rtx_costs): Convert to satisfies_constraint.
10045 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10046 (CONST_OK_FOR_LETTER_P): Delete.
10047 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10048 (EXTRA_CONSTRAINT): Delete.
10049 (EXTRA_MEMORY_CONSTRAINT): Delete.
10050 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10051 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10052 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10053 satisfies_constraint.
10055 * config/i386/i386.c: Include tm-constrs.h.
10057 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10059 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10060 * tree-data-ref.c (find_data_references_in_loop,
10061 compute_data_dependences_for_loop): Use pointers to VEC.
10062 (analyze_all_data_dependences): Adjust calls.
10063 * tree-data-ref.h (find_data_references_in_loop,
10064 compute_data_dependences_for_loop): Adjust declarations.
10065 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10066 compute_data_dependences_for_loop.
10068 2006-03-29 Paul Brook <paul@codesourcery.com>
10070 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10071 (movdf_vfp): Ditto.
10073 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10075 PR tree-optimization/26859
10076 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10078 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10079 for the step after fold_convert.
10081 2006-03-29 Paul Brook <paul@codesourcery.com>
10083 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10084 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10086 2006-03-29 Paul Brook <paul@codesourcery.com>
10088 PR middle-end/23623
10089 * targhooks.c (default_narrow_bitfield): New fuction.
10090 * targhooks.h (default_narrow_bitfield): add prototype.
10091 * target.h (gcc_target): Add narrow_volatile_bitfield.
10092 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10093 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10094 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10095 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10097 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10099 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10101 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10102 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10103 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10104 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10105 (s390_function_arg_float): Allow SDmode and DDmode values to be
10106 passed in floating point registers.
10107 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10108 check with SCALAR_FLOAT_MODE_P.
10109 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10111 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10113 PR tree-optimization/25985
10114 * tree-ssa-loop-niter.c (number_of_iterations_le,
10115 number_of_iterations_ne): Make comments more precise.
10116 (number_of_iterations_cond): Add only_exit argument. Use the
10117 fact that signed variables do not overflow only when only_exit
10119 (loop_only_exit_p): New.
10120 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10121 number_of_iterations_cond.
10123 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10125 PR tree-optimization/26643
10126 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10129 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10131 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10132 (divsi3_i4_int): Likewise.
10134 2006-03-28 Roger Sayle <roger@eyesopen.com>
10136 * expr.c (emit_group_store): Only create a new pseudo reg if the
10137 quantity it needs to hold isn't already a suitable pseudo.
10139 2006-03-28 Jeff Law <law@redhat.com>
10141 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10142 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10144 2006-03-28 Roger Sayle <roger@eyesopen.com>
10146 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10147 the equivalent ~X & Y, and the symmetry related transformations.
10148 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10149 ~X & Y, and symmetry related transforms.
10151 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10153 Revert my 2006-03-27 patches.
10155 2006-03-28 Roger Sayle <roger@eyesopen.com>
10157 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10158 ~(T1)X, when T1 and T2 are integer types of the same precision
10159 and (T2)X isn't an extension.
10161 2006-03-28 Jeff Law <law@redhat.com>
10163 PR tree-optimization/26796
10164 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10165 need EH edge cleanups rather than purging them immediately.
10166 (eliminate_degenerate_phis): Handle queued EH cleanups.
10168 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10170 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10173 2006-03-27 Roger Sayle <roger@eyesopen.com>
10175 PR middle-end/22524
10176 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10177 cast BIT_NOT_EXPR operand to the correct type.
10179 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10181 * tree-loop-linear.c: Don't include varray.h.
10182 (gather_interchange_stats, try_interchange_loops,
10183 linear_transform_loops): Use VEC instead of VARRAY.
10184 * lambda-mat.c: Don't include varray.h.
10185 * tree-chrec.c: Same.
10186 * lambda-trans.c: Same.
10187 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10188 VEC instead of VARRAY.
10189 * tree-vectorizer.h: Idem.
10190 * tree-data-ref.c (dump_data_references,
10191 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10192 initialize_data_dependence_relation, finalize_ddr_dependent,
10193 compute_all_dependences, find_data_references_in_loop,
10194 compute_data_dependences_for_loop, analyze_all_data_dependences,
10195 free_dependence_relation, free_dependence_relations,
10196 free_data_refs): Idem.
10197 * tree-data-ref.h (data_reference_p, subscript_p): New.
10198 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10199 VEC instead of VARRAY.
10200 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10201 (find_data_references_in_loop, compute_data_dependences_for_loop,
10202 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10203 dump_data_dependence_relations, free_dependence_relations,
10204 free_data_refs): Adjust declaration.
10205 (lambda_transform_legal_p): Move declaration here...
10206 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10207 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10208 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10209 vect_analyze_data_refs): Use VEC instead of VARRAY.
10210 * lambda.h (lambda_transform_legal_p): ...from here.
10211 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10212 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10213 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10214 tree-chrec.o): Don't depend on VARRAY_H.
10216 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10218 * rtl.def (Copyright): Update date.
10219 (DEPS_LIST): Change type of the second operand to 'int'.
10220 * target.h (Copyright): Update date.
10221 (struct gcc_target.speculate_insn): Change type of the second parameter
10223 * lists.c (Copyright): Update date.
10224 (alloc_DEPS_LIST): Change signature. Update reference to the second
10225 operand of the DEPS_LIST.
10226 (copy_DEPS_LIST_list): Update reference to the second operand of the
10228 * rtl.h (Copyright): Update date.
10229 (alloc_DEPS_LIST): Update signature.
10230 * sched-int.h (Copyright): Update date.
10231 (ds_t): Change typedef to 'int'.
10232 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10234 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10236 * haifa-sched.c (Copyright): Update date.
10237 (try_ready): Change condition to restore non-speculative pattern
10238 of the instruction.
10239 (process_insn_depend_be_in_spec): Code to keep probability of the
10240 speculative dependence non-decreasing.
10242 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10244 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10245 shut up the compiler.
10247 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10249 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10250 to use lib prefix for target.
10251 ($(T)libic_invalidate_array_4-200.a): Likewise.
10252 ($(T)libic_invalidate_array_4a.a): Likewise.
10254 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10255 J"orn Rennecke <joern.rennecke@st.com>
10257 * superh.opt: New file.
10258 * sh.c (boardtype, osruntime): Remove.
10259 * superh.h (SUBTARGET_OPTIONS): Remove.
10260 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10262 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10263 arguments with ^ and/or [].
10265 * config.gcc (sh-*-*): Add quoting to account for quirk of
10267 Replace == with = in enable_incomplete_targets test.
10269 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10270 with MASK_LITTLE_ENDIAN.
10272 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10273 * config/sh/sh.opt: Added to some comments.
10274 * config/sh/superh.h: Removed some chaff.
10276 * config/sh/sh.opt: Add m4-[1234]00* options.
10277 * config/sh/sh.c (sh_handle_option): Likewise.
10278 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10279 (ic_invalidate_array_4-100.o): New rule.
10280 ($(T)libic_invalidate_array_4-100.a): Likewise.
10281 (ic_invalidate_array_4-200.o): Likewise.
10282 ($(T)libic_invalidate_array_4-200.a): Likewise.
10283 (ic_invalidate_array_4a.o): Likewise.
10284 ($(T)libic_invalidate_array_4a.a): Likewise.
10285 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10286 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10288 * config/sh/crt1.asm: Merged in profiling code.
10289 * config/sh/superh.h (STARTFILE_SPEC): Override.
10290 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10291 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10292 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10294 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10295 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10296 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10298 * sh.opt (mpretend-cmove): New option.
10299 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10300 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10301 (movsicc): Add TARGET_PRETEND_CMOVE code.
10303 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10305 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10306 s390_class_max_nregs): New function prototypes.
10307 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10308 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10309 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10310 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10312 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10314 * dwarf2out.c (add_location_or_const_value_attribute): Call
10315 tree_add_const_value_attribute if nothing else works.
10316 (reference_to_unused): New.
10317 (rtl_for_decl_init): Use reference_to_unused to decide whether
10318 to output an initializer.
10320 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10323 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10324 peephole removing spe frob_di_df_2.
10326 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10328 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10329 (subscript_dependence_tester_1): Declared.
10330 (print_dir_vectors, print_dist_vectors): New.
10331 (debug_data_dependence_relation): New.
10332 (dump_data_dependence_relation): Print more details.
10333 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10334 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10335 (save_dist_v, save_dir_v, add_outer_distances,
10336 build_classic_dist_vector_1): New.
10337 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10338 Don't test for lambda_vector_lexico_pos.
10339 (same_access_functions, add_multivariate_self_dist,
10340 add_other_self_distances, dir_from_dist): New.
10341 (build_classic_dir_vector): Replace implementation almost identical to
10342 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10344 (subscript_dependence_tester_1): New.
10345 (subscript_dependence_tester): Handle the lexicographically negative
10346 distance vectors by recomputing the dependence relation.
10347 (compute_affine_dependence): Remove parameter loop_nest_depth.
10348 (compute_self_dependence): Don't call compute_subscript_distance.
10349 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10350 Add a parameter for the loop_nest.
10351 (find_loop_nest_1, find_loop_nest): New.
10352 (compute_data_dependences_for_loop): Compute the loop nest, and give
10353 up if the nest is not well formed.
10354 * tree-data-ref.h (loop_p): New.
10355 (struct data_dependence_relation): Replace size_vect field with
10356 loop_nest, a vec of loops.
10357 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10358 (DDR_LOOP_NEST): New.
10359 (print_dir_vectors, print_dist_vectors,
10360 debug_data_dependence_relation): Declared.
10361 (index_in_loop_nest): New.
10362 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10363 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10366 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10368 * simplify-rtx.c (simplify_relational_operation): Call
10369 simplify_relational_operation_1 even if mode is VOIDmode.
10371 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10373 PR tree-optimization/26804
10374 * tree.h (DECL_CALL_CLOBBERED): New macro.
10375 (tree_decl_common): Add call_clobbered_flag.
10376 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10377 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10378 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10379 (mark_non_addressable): Ditto.
10380 * tree-ssa.c (verify_call_clobbered): New function.
10381 (verify_alias_info): Use it.
10382 * tree-pass.h (pass_reset_cc_flags): New prototype.
10383 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10384 (reset_cc_flags): New function.
10385 * passes.c (init_optimization_passes): Call reset_cc_flags after
10386 initializing referenced_vars.
10388 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10389 Roger Sayle <roger@eyesopen.com>
10391 PR middle-end/26717
10392 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10393 to 1.0 for non-real operands. Implement A / A optimization for
10396 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10398 * config/i386/i386.c (size_cost): Correct the comment for
10399 cost of storing fp registers.
10400 (i386_cost): Likewise.
10401 (i486_cost): Likewise.
10402 (pentium_cost): Likewise.
10403 (pentiumpro_cost): Likewise.
10404 (k6_cost): Likewise.
10405 (athlon_cost): Likewise.
10406 (k8_cost): Likewise.
10407 (pentium4_cost): Likewise.
10408 (nocona_cost): Likewise.
10409 (generic64_cost): Likewise.
10410 (generic32_cost): Likewise.
10412 2006-03-24 Denis Chertykov <denisc@overta.ru>
10414 * config/avr/avr-protos.h (extra_constraint): Delete.
10415 (extra_constraint_Q): New declaration.
10416 * config/avr/constraints.md: New file.
10417 * config/avr/avr.md: Include it.
10418 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10419 (TMP_REGNO, ZERO_REGNO): Likewise.
10420 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10421 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10422 (extra_constraint): Delete.
10423 (extra_constraint_Q): Test for memory constraint 'Q'.
10424 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10425 (REG_CLASS_FROM_LETTER): Delete.
10426 (CONST_OK_FOR_LETTER_P): Delete.
10427 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10428 (EXTRA_CONSTRAINT): Delete.
10429 (TMP_REGNO): Delete.
10430 (ZERO_REGNO): Delete.
10432 2006-03-24 Jeff Law <law@redhat.com>
10434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10435 directly. Call mark_new_vars_to_rename slightly earlier.
10437 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10439 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10440 (is_cxx): Likewise.
10441 (gen_compile_unit_die): Use new language types for Objective-C and
10443 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10444 DW_LANG_C_plus_plus.
10447 * config/t-darwin (crt3.o): Work around bug 26840.
10448 * config/darwin-crt3.c: Rewrite.
10449 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10451 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10453 * doc/invoke.texi: Document -femit-class-debug-always
10454 * common.opt: Add -femit-class-debug-always.
10456 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10458 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10459 index and base register.
10460 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10461 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10462 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10463 REGNO_OK_FOR_INDEX_P.
10464 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10466 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10467 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10468 REG_OK_FOR_BASE_P): Definitions removed.
10470 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10472 PR middle-end/26611
10473 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10474 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10475 set yet or weren't marked as local yet.
10477 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10479 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10482 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10484 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10485 (rs6000_legitimate_small_data_p): Delete.
10486 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10487 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10488 and make static. Add forward declaration. Update uses.
10489 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10490 of offsettable_memref_p.
10491 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10492 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10494 2006-03-24 Jeff Law <law@redhat.com>
10496 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10497 around bug in immediate-use iterator.
10499 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10502 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10503 or __LITTLE_ENDIAN__.
10505 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10507 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10508 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10509 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10510 * config/sh/sh.opt (mdiv=): Amend description.
10511 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10512 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10513 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10514 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10515 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10516 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10517 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10518 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10519 TARGET_DIVIDE_CALL_FP.
10521 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10523 * haifa-sched.c (choose_ready): Fix type of the local variable.
10524 Move local variables. Add comment.
10525 (check_reg_live): Change signature. Make callable from debugger.
10526 * sched-int.h (check_reg_live): Update signature.
10527 * sched-ebb.c (check_reg_live): Update parameters.
10528 * sched-rgn.c (check_reg_live): Ditto.
10529 (region_head_or_leaf_p): Check pointer before dereferencing.
10530 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10531 before reload on optimization levels below 1.
10533 2006-03-23 Richard Henderson <rth@redhat.com>
10535 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10539 * config/alpha/predicates.md (local_symbolic_operand): Reject
10542 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10545 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10546 expressions which have overflowed constants.
10548 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10550 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10552 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10554 * cfgloopmanip.c (create_loop_notes): Removed.
10555 * final.c (final_scan_insn): Do not handle loop notes.
10556 * jump.c (squeeze_notes): Ditto.
10557 * cfglayout.c (skip_insns_after_block,
10558 duplicate_insn_chain): Ditto.
10559 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10561 * cfgloop.h (create_loop_notes): Declaration removed.
10563 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10565 * varasm.c (output_constant_pool): Restore fnname and fndecl
10567 (assemble_start_function): Adjust call accordingly.
10568 (assemble_end_function): Likewise.
10570 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10573 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10576 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10578 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10581 * system.h (ICE_EXIT_CODE): New macro.
10582 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10583 (diagnostic_action_after_output): Likewise.
10584 * gcc.c (fatal_ice): New function.
10585 (execute): Use it instead of fatal.
10586 (fancy_abort): Likewise.
10587 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10589 2006-03-22 Jeff Law <law@redhat.com>
10591 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10592 iv_analyze_result returning false.
10594 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10596 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10598 2006-03-22 Richard Henderson <rth@redhat.com>
10600 PR middle-end/26084
10601 * except.c (duplicate_eh_regions_0): New.
10602 (duplicate_eh_region_1): Duplicate the children of the node as
10603 well as the node itself. Link them up properly.
10604 (duplicate_eh_region_2): Merge into ...
10605 (duplicate_eh_regions): ... here. Take copy_region argument, and
10606 copy only a sub-tree if asked. Simplify copying and fixup.
10607 (eh_region_outer_p): New.
10608 * except.h (duplicate_eh_regions): Update decl.
10609 (eh_region_outer_p): Declare.
10610 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10611 (lower_omp_master): Likewise.
10612 (lower_omp_ordered): Likewise.
10613 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10614 (move_stmt_r): Use it to remap labels. Handle recursion vs
10615 remap_decls_p properly.
10616 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10617 (find_outermost_region_in_block): New.
10618 (new_label_mapper): New.
10619 (move_sese_region_to_fn): Copy eh information to the new function
10621 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10623 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10626 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10628 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10629 into shared libraries.
10631 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10633 * doc/md.texi: Refer to i386/constraints.md instead of
10634 i386/predicates.md.
10635 * config/i386/constraints.md: New file, extracted from...
10636 * config/i386/predicates.md: ...here.
10637 * config/i386/i386.md: Include constraints.md.
10639 2006-03-21 Jason Merrill <jason@redhat.com>
10641 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10643 PR middle-end/20297
10644 * expr.c (init_block_move_fn): Force default visibility.
10645 (init_block_clear_fn): Likewise.
10646 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10647 * targhooks.c (default_external_stack_protect_fail): Likewise.
10649 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10651 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10652 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10653 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10654 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10655 (loadgp): Use mips_current_loadgp_style.
10656 (loadgp_noshared): New pattern.
10657 (sibcall_internal): Use MIPS_CALL.
10658 (sibcall_value_internal): Likewise.
10659 (sibcall_value_multiple_internal): Likewise.
10660 (call_internal): Likewise.
10661 (call_value_internal): Likewise.
10662 (call_value_multiple_internal): Likewise.
10663 (call_split): Use MIPS_CALL and add an 'S' constraint.
10664 (call_value_split): Likewise.
10665 (call_value_multiple_split): Likewise.
10666 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10667 (-mshared): New option.
10668 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10669 (mips_current_loadgp_style): Declare.
10670 * config/mips/mips.c (mips_classify_symbol): Avoid using
10671 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10672 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10673 TARGET_ABSOLUTE_ABICALLS.
10674 (override_options): Adjust comments. Improve the warning that is
10675 issued when -mabicalls and -G are used together.
10676 (mips_file_start): Remove comment.
10677 (mips_current_loadgp_style): New function.
10678 (mips_gnu_local_gp): New variable.
10679 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10681 (mips_output_function_prologue): Use mips_current_laodgp_style.
10682 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10683 the cprestore instruction.
10684 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10685 live for TARGET_ABSOLUTE_ABICALLS.
10686 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10687 (ASM_SPEC): Pass down -mshared and -mno-shared.
10688 (MIPS_CALL): New macro.
10689 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10691 * doc/invoke.texi (-mabicalls): Update documentation.
10692 (-mshared): Document.
10694 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10696 * config/ia64/unwind-hpux.c: New file.
10697 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10699 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10702 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10704 2006-03-21 Jeff Law <law@redhat.com>
10706 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10707 type conversions of a VR_VARYING source to a wider type.
10709 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10711 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10712 tm_file on Solaris 10 and later.
10713 (sparc64-*-solaris2*): Likewise.
10714 (sparc-*-solaris2*): Likewise.
10715 * config/sol26.h: Rename to config/sol2-6.h.
10716 * config/sol2-10.h: New file.
10718 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10721 * tree-ssa-pre.c (create_component_ref_by_pieces):
10724 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10727 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10728 return it immediately.
10730 2006-03-21 Michael Matz <matz@suse.de>
10732 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10734 (remove_arc, add_arc): Update num_out_arcs member.
10735 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10737 (cache_presence): New function.
10738 (compare_states_for_equiv): New function.
10739 (state_is_differed): Don't take number of outargs, adjust callers.
10740 Use new invariant for speeding up.
10741 (init_equiv_class): Create initial classes based on sorted
10743 (partition_equiv_class): Don't track out_arcs_num.
10744 (evaluate_equiv_classes): Call cache_presence on all states and
10747 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10749 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10750 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10751 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10752 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10754 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10755 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10756 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10757 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10758 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10760 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10761 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10762 (REGNO_REG_CLASS): ARGP is in PREGS.
10763 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10765 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10766 to deal with those addresses.
10767 * addresses.h: New file.
10768 * caller-save.c: Include "addresses.h".
10769 (init_caller_save): Use new base_reg_class function.
10770 * rtl-factoring.c: Include "addresses.h".
10771 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10772 * recog.c: Include "addresses.h".
10773 (preprocess_constraints): Use new base_reg_class function.
10774 * regrename.c: Include "addresses.h".
10775 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10776 functions. Keep track of a new var INDEX_CODE to compute valid
10778 (replace_oldest_value_addr): Likewise.
10779 (replace_oldest_value_mem): Use base_reg_class.
10780 * reload.c: Include "addresses.h".
10781 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10782 (find_reloads): Use new base_reg_class function.
10783 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10784 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10785 all callers and prototype changed.
10786 * reload1.c: Include "addresses.h".
10787 (maybe_fix_stack_asms): Use base_reg_class.
10788 * regclass.c: Include "addresses.h".
10789 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10790 (init_reg_autoinc): Use new base_reg_class function.
10791 (record_reg_classes): Likewise.
10792 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10793 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10794 Use new args to compute necessary class.
10796 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10797 regrename.o, rtl-factoring.o): Update dependencies.
10798 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10799 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10800 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10801 REG_OK_FOR_INDEX_P): Delete documentation.
10803 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10805 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10806 from V7 to V9 for Solaris 7 and above.
10808 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10810 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10811 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10812 argument pointers may not alias any other storage.
10813 * common.opt: Define option -fargument-noalias-anything.
10814 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10815 alias semantics is specified by flag_argument_noalias > 2.
10817 2006-03-20 Jeff Law <law@redhat.com>
10819 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10820 (pass_phi_only_cprop): Declare.
10821 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10822 with phi_only_cprop
10823 * tree-ssa-dom.c (degenerate_phi_result): New function.
10824 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10825 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10826 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10827 (eliminate_degenerate_phis): Likewise.
10828 (pass_phi_only_cprop): New pass descriptor.
10829 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10830 support code. Callers updated.
10831 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10832 (store_copy_prop): Likewise.
10833 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10835 2006-03-20 Jason Merrill <jason@redhat.com>
10838 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10839 (push_visibility, pop_visibility): Likewise.
10840 * c-pragma.h: Declare them.
10842 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10844 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10846 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10847 parameter and use get_ebb_head_tail.
10848 (sh_md_init_global): Adjust uses of find_regmode_weight.
10850 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10852 * function.h (struct function) <x_tail_recursion_reentry>:
10853 Rename to x_stack_check_probe_note.
10854 (tail_recursion_reentry): Rename to stack_check_probe_note.
10855 * function.c: Replace tail_recursion_reentry with
10856 stack_check_probe_note everywhere.
10857 (expand_function_start): Only emit a note for
10858 stack_check_probe_note with -fstack-protect.
10859 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10861 * emit-rtl.c (remove_unnecessary_notes): Remove.
10862 (pass_remove_unnecessary_notes): Remove.
10863 * rtl.h (remove_unnecessary_notes): Remove prototype.
10864 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10865 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10866 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10868 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10871 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10872 (valid_in_set): Handle ARRAY_REF.
10873 Change "if min_variant or VH" to asserts.
10874 (create_component_ref_by_pieces): Handle ARRAY_REF.
10875 (create_expression_by_pieces): Likewise.
10876 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10878 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10880 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10881 is operand of switch, not str[0].
10883 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10885 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10886 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10888 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10890 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10891 end of insn_extra_address_constraint declaration.
10893 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10895 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10896 (no-sum-in-toc): Same.
10897 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10899 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10900 NO_FP_IN_TOC for -fPIC instead of mask.
10902 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10903 (BOOT_LDFLAGS): Delete.
10905 * config/rs6000/t-aix52: Same.
10907 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10908 (stmsi[345678]_power): New.
10910 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10912 * config/ia64/ia64.opt: Add empty line to end of file.
10914 2006-03-17 Richard Guenther <rguenther@suse.de>
10916 PR middle-end/26721
10917 * builtins.c (get_pointer_alignment): For component style references
10918 adjust alignment to the component type alignment. Make sure
10919 to adjust alignment for component access of constants.
10921 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10923 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10924 unconditional jump.
10926 2006-03-17 Paul Brook <paul@codesourcery.com>
10928 * doc/install.texi: Docuemnt --with-mode.
10929 * config.gcc: Add --with-mode for arm*-*-*.
10930 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10932 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10934 * sh.c (max_labelno_before_reorg): New variable.
10935 (sh_reorg): Initialize it.
10936 (find_barrier): Check max_labelno_before_reorg before using
10937 label_to_alignment. Take length of explicit alignment insns
10938 into account. When seeing a UNSPECV_CONST_END, return it.
10940 * sh.c (fixup_mova): Set mode of affected label to QImode.
10941 (untangle_mova): New function.
10942 (find_barrier): Use it. Check mode of label before decrementing
10944 (sh_reorg): Likewise.
10945 Set mode of all insns back to VOIDmode.
10947 * sh.c (MOVA_LABELREF): New macro.
10948 (mova_p, fixup_mova, sh_reorg): Use it.
10949 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10950 ADDR_DIFF_VEC matches mova.
10952 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10954 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10955 with ATTRIBUTE_UNUSED.
10957 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10959 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10960 pointer, instead of assuming it is possible to derive the
10961 correct args size from a call insn.
10963 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10965 * rtl.h (CONST_INT_P): Define.
10966 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10967 instead of GET_CODE(x) == CONST_INT.
10968 (vax_rtx_costs): Likewise.
10969 (vax_output_int_move): Likewise.
10970 (vax_output_int_add): Likewise.
10971 (legitimate_constant_address_p): Likewise.
10972 (index_term_p): Likewise.
10973 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10974 * config/vax/vax.md (and<mode>3): Likewise.
10975 (ashrsi3): Likewise.
10977 (movstricthi): Likewise.
10978 (movstrictqi): Likewise.
10979 (rotrsi3): Likewise.
10980 (five unnamed insns): Likewise.
10982 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10984 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10985 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10986 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10987 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10988 Pass to ASM_OUTPUT_DWARF_OFFSET.
10989 * dwarf2out.c (debug_frame_section): New.
10990 (output_call_frame_info): Use debug_frame_section. Pass it to
10991 dw2_asm_output_offset.
10992 (output_die): Pass appropriate section to dw2_asm_output_offset.
10993 (output_compilation_unit_header): Likewise.
10994 (output_pubnames): Likewise.
10995 (output_aranges): Likewise.
10996 (enum dw_val_class): Break dw_val_class_lbl_offset into
10997 dw_val_class_lineptr and dw_val_class_macptr.
10998 (add_AT_lbl_offset): Delete.
10999 (add_AT_lineptr): New.
11000 (add_AT_macptr): New.
11001 (AT_lbl): Expect a lineptr or macptr.
11002 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11003 (attr_checksum): Likewise.
11004 (same_dw_val_p): Likewise.
11005 (size_of_die): Likewise.
11006 (value_format): Likewise.
11007 (output_die): Likewise.
11008 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11010 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11011 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11012 * config/darwin-protos.h (darwin_file_start): New.
11013 (darwin_asm_output_dwarf_offset): New.
11014 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11015 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11017 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11018 if not EH section; simplify.
11019 (darwin_file_start): New.
11020 (darwin_asm_output_dwarf_offset): New.
11021 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11023 (DEBUG_INFO_SECTION): Likewise.
11024 (DEBUG_ABBREV_SECTION): Likewise.
11025 (DEBUG_ARANGES_SECTION): Likewise.
11026 (DEBUG_MACINFO_SECTION): Likewise.
11027 (DEBUG_LINE_SECTION): Likewise.
11028 (DEBUG_LOC_SECTION): Likewise.
11029 (DEBUG_PUBNAMES_SECTION): Likewise.
11030 (DEBUG_STR_SECTION): Likewise.
11031 (DEBUG_RANGES_SECTION): Likewise.
11032 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11033 (ASM_OUTPUT_DWARF_OFFSET): New.
11035 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11037 * config.gcc (tm_defines): Always add to previous value rather
11040 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11042 * config/mips/predicates.md (splittable_const_int_operand): New,
11043 split from move_operand.
11044 (splittable_symbolic_operand): New.
11045 (move_operand): Add commentary. Use splittable_const_int_operand.
11046 Inline mips_atomic_symbolic_constant_p.
11047 * config/mips/mips.md: Add combine splitters for handling moves
11048 of splittable_const_int_operands and splittable_symbolic_operands.
11049 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11050 (mips_split_symbol): Declare.
11051 (mips_move_integer): Declare.
11052 * config/mips/mips.c (mips_split_p): Make global.
11053 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11054 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11055 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11056 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11057 (mips_offset_within_object_p): Handle block symbols.
11058 (mips_atomic_symbolic_constant_p): Delete.
11059 (mips_cannot_force_const_mem): Return false for constants that
11060 mips_legitimize_move can handle.
11061 (mips_use_blocks_for_constant_p): New function.
11062 (mips_split_symbol): Make global.
11063 (mips_move_integer): Likewise. Add a temporary register argument.
11064 (mips_legitimize_const_move): Use splittable_const_int_operand and
11065 splittable_symbolic_operand.
11066 (mips_use_anchors_for_symbol_p): New function.
11067 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11068 (mips_split_p): Declare.
11070 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11072 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11073 (mips*-*-linux*): Likewise.
11075 2006-03-16 Roger Sayle <roger@eyesopen.com>
11076 Daniel Speyer <dspeyer@wam.umd.edu>
11078 PR middle-end/18259
11079 * tree-dump.c (dump_real): New function.
11080 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11081 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11082 (tree-dump.o): Add $(REAL_H) to the dependencies.
11084 2006-03-16 Roger Sayle <roger@eyesopen.com>
11086 PR middle-end/21781
11087 * real.c (real_from_string): If the mantissa is zero, don't bother
11088 parsing the exponent as the result should always be zero.
11090 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11092 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11094 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11096 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11097 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11098 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11099 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11100 ia64_sched_finish_global): New static functions to implement
11101 hooks from gcc_target.sched.
11102 (spec_check_no, max_uid, pending_data_specs): New static variables.
11103 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11104 ia64_spec_check_src_p): New static functions.
11105 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11106 (TARGET_SCHED_ADJUST_COST): Removed.
11107 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11108 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11109 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11110 TARGET_SCHED_GEN_CHECK,
11111 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11112 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11113 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11114 Fixed to handle speculation checks.
11115 (rtx_needs_barrier): Fixed to handle speculative loads and
11117 (ia64_variable_issue): Added code to count speculative loads and their
11119 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11121 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11123 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11125 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11126 (ia64_reorg): Reset stops_p to NULL after it is freed.
11127 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11128 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11129 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11131 (data_speculative, control_speculative, check_load): New attributes.
11132 (mov<mode>_advanced, mov<mode>_speculative,
11133 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11134 zero_extend<mode>di2_speculative,
11135 zero_extend<mode>di2_speculative_advanced): New patterns for
11136 data and control speculative loads.
11137 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11139 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11140 New pattern for data and control speculation checks.
11141 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11142 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11143 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11144 Auxiliary definitions for the patterns.
11145 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11146 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11148 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11150 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11151 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11152 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11153 New resource constraints.
11154 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11156 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11157 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11158 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11159 msched-in-control-spec, msched-ldc, msched-control-ldc,
11160 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11161 msched-prefer-non-control-spec-insns,
11162 msched-count-spec-in-critical-path): New flags to tune speculative
11164 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11165 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11166 msched-in-control-spec, msched-ldc, msched-control-ldc,
11167 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11168 msched-prefer-non-control-spec-insns,
11169 msched-count-spec-in-critical-path): Document new flags.
11171 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11173 * target.h (struct spec_info_def): New opaque declaration.
11174 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11175 speculate_insn, needs_block_p, gen_check,
11176 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11177 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11178 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11179 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11180 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11181 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11183 (TARGET_SCHED): Use new macros.
11184 * rtl.h (copy_DEPS_LIST_list): New prototype.
11185 * sched-int.h (struct sched_info): Change signature of new_ready field,
11186 adjust all initializations. New fields: add_remove_insn,
11187 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11188 region_head_or_leaf_p.
11189 (struct spec_info_def): New structure declaration.
11190 (spec_info_t): New typedef.
11191 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11192 recovery_block, orig_pat.
11193 (glat_start, glat_end): New variables declaraions.
11194 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11196 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11197 DETACH_LIFE_INFO, USE_GLAT.
11198 (enum SPEC_SCHED_FLAGS): New enumeration.
11199 (NOTE_NOTE_BB_P): New macro.
11200 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11201 attach_life_info, debug_spec_status, check_reg_live): New functions.
11202 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11203 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11205 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11206 * ddg.c (get_block_head_tail): Adjust all uses.
11207 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11208 (sms_sched_info): Initialize new fields.
11209 (contributes_to_priority): Removed.
11210 * haifa-sched.c (params.h): New include.
11211 (get_block_head_tail): Adjust all uses.
11212 (ISSUE_POINTS): New macro.
11213 (glat_start, glat_end): New global variables.
11214 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11215 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11216 old_last_basic_block, before_recovery, current_sched_info_var,
11217 rgn_n_insns, luid): New static variables.
11218 (insn_cost1): New function. Move logic from insn_cost to here.
11219 (find_insn_reg_weight1): New function. Move logic from
11220 find_insn_reg_weight to here.
11221 (reemit_notes, move_insn, max_issue): Change signature.
11222 (move_insn1): Removed.
11223 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11224 extend_bb): New static functions to support extension of scheduler's
11226 (generate_recovery_code, process_insn_depend_be_in_spec,
11227 begin_speculative_block, add_to_speculative_block,
11228 init_before_recovery, create_recovery_block, create_check_block_twin,
11229 fix_recovery_deps): New static functions to support
11230 generation of recovery code.
11231 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11232 restore_bb_notes, move_block_after_check, move_succs): New static
11233 functions to support ebb scheduling.
11234 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11235 functions to support handling of register live information.
11236 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11237 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11238 add_jump_dependencies): New static functions.
11239 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11240 consistancy checking.
11241 (debug_spec_status): New function to call from debugger.
11242 (priority): Added code to handle speculation checks.
11243 (rank_for_schedule): Added code to distinguish speculative instructions.
11244 (schedule_insn): Added code to handle speculation checks.
11245 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11246 Fixed to handle ebbs.
11247 (move_insn): Added code to handle ebb scheduling.
11248 (max_issue): Added code to use ISSUE_POINTS of instructions.
11249 (choose_ready): Added code to choose between speculative and
11250 non-speculative instructions.
11251 (schedule_block): Added code to handle ebb scheduling and scheduling of
11252 speculative instructions.
11253 (sched_init): Initialize new variables.
11254 (sched_finish): Free new variables. Print statistics.
11255 (try_ready): Added code to handle speculative instructions.
11256 * lists.c (copy_DEPS_LIST_list): New function.
11257 * sched-deps.c (extend_dependency_caches): New function. Move logic
11258 from create_dependency_caches to here.
11259 (get_dep_weak, ds_merge): Make global.
11260 * genattr.c (main): Code to output prototype for
11261 dfa_clear_single_insn_cache.
11262 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11263 (output_dfa_clean_insn_cache_func): Code to output
11264 dfa_clear_single_insn_cache function.
11265 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11267 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11269 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11270 New static variables.
11271 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11272 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11274 (ebb_sched_info): Initialize new fields.
11275 (get_block_head_tail): Adjust all uses.
11276 (compute_jump_reg_dependencies): Fixed to use glat_start.
11277 (schedule_ebb): Code to remove unreachable last block.
11278 (schedule_ebbs): Added code to update register live information.
11279 * sched-rgn.c (region_sched_info): Initialize new fields.
11280 (get_block_head_tail): Adjust all uses.
11281 (last_was_jump): Removed. Adjust users.
11282 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11283 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11284 Implement new hooks.
11285 (check_dead_notes1): New static function.
11286 (struct region): New fields: dont_calc_deps, has_real_ebb.
11287 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11288 (BB_TO_BLOCK): Fixed to handle EBBs.
11289 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11290 (ebb_head): New static variable.
11291 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11292 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11294 (compute_dom_prob_ps): New assertion.
11295 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11296 global_live_at_start.
11297 (init_ready_list): New assertions.
11298 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11299 (new_ready): Add support for BEGIN_CONTROL speculation.
11300 (schedule_insns): Fixed code that updates register live information
11302 (schedule_region): Fixed to handle EBBs.
11303 (init_regions): Use extend_regions and check_dead_notes1.
11304 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11305 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11306 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11307 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11308 TARGET_SCHED_GEN_CHECK,
11309 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11310 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11311 * doc/invoke.texi (max-sched-insn-conflict-delay,
11312 sched-spec-prob-cutoff): Document.
11314 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11316 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11317 inter_tick, queue_index.
11318 (struct sched_info): Change signature of init_ready_list field.
11319 Adjust all initializations.
11320 (RESOLVED_DEPS): New access macro.
11321 (ready_add): Remove prototype.
11322 (try_ready): Add prototype.
11323 * sched-rgn.c (init_ready_list): Use try_ready.
11324 (schedule_region): Initialize
11325 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11326 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11327 (init_ready_list): Use try_ready.
11328 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11329 * lists.c (remove_list_elem): Remove `static'.
11330 (remove_free_INSN_LIST_elem): New function.
11331 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11332 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11333 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11335 (readyp): New variable.
11336 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11337 change_queue_index, resolve_dep): New static functions.
11338 (try_ready): New function. Adjust callers in sched-rgn.c and
11339 sched-ebb.c to use it instead of ready_add.
11340 (clock_var): Move at the begining of file.
11341 (rank_for_schedule): Fix typo.
11342 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11343 (ready_lastpos): Enforce assertion.
11344 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11345 update all callers.
11346 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11347 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11348 (queue_to_ready): Use free_INSN_LIST_list.
11349 (early_queue_to_ready): Fix typo.
11350 (schedule_block): Init readyp. Move init_ready_list call after the
11351 initialization of clock_var. Fix error in rejecting insn by
11352 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11353 that previously corrected INSN_TICKs. Add code for handling
11355 (set_priorities): Fix typo.
11356 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11357 Clarify comment and code that keeps current_sched_info->next_tail
11360 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11362 * sched-rgn.c (extend_rgns): New static function.
11363 (find_rgns): Use it.
11364 (gather_region_statistics, print_region_statistics): New static
11366 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11367 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11369 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11370 Andrey Belevantsev <abel@ispras.ru>
11372 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11373 * lists.c (unused_deps_list): New variable.
11374 (free_list): Add assertions to verify the proper distinguishing
11375 between INSN_LISTs and DEPS_LISTs.
11376 (find_list_elem, remove_list_elem, remove_list_node): New static
11378 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11379 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11380 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11381 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11383 (free_INSN_LIST_node): Likewise.
11384 * modulo-sched.c (current_sched_info): Initialize flags field.
11385 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11386 * rtl.def (DEPS_LIST): Define.
11387 * rtl.h: Declare new functions from lists.c.
11388 * sched-deps.c (spec_dependency_cache): New static variable.
11389 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11390 (add_dependence): Change return type to void. Move the logic to ...
11391 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11392 (delete_all_dependences): Add comment about forward_dependency_cache.
11393 Handle spec_dependency_cache. Handle DEPS_LISTs.
11394 (fixup_sched_groups): Clarify the change of priority of output
11395 and anti dependencies.
11396 (sched_analyze_2): Adjust add_dependence calls to create data
11397 speculative dependence.
11398 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11399 Adjust all callers. Handle DEPS_LISTS.
11400 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11401 presence of speculation.
11402 (init_dependency_caches, free_dependency_caches):
11403 Handle spec_dependency_cache.
11404 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11405 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11406 New static functions.
11407 (add_or_update_back_dep, add_or_update_back_forw_dep,
11408 add_back_forw_dep, delete_back_forw_dep): New functions.
11409 * sched-int.h (ds_t, dw_t): New typedefs.
11410 (struct sched_info): Add new field flags.
11411 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11412 Prototype new sched-deps.c functions.
11413 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11414 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11415 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11416 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11417 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11418 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11420 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11422 * sched-rgn.c (current_sched_info): Initialize flags field.
11423 (schedule_insns): Initialize current_sched_info before the sched_init
11425 * sched-ebb.c (current_sched_info): Initialize flags field.
11426 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11427 Call add_or_update_back_dep instead of add_dependence.
11428 Create control speculative dependencies.
11429 (schedule_insns): Initialize current_sched_info before the sched_init
11432 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11434 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11436 (sh_fallback_frame_state): Likewise.
11438 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11440 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11441 Do switch on default_use_cxa_atexit.
11442 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11443 * config/darwin-crt3.o: New.
11444 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11445 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11446 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11448 * config/rs6000/t-darwin: Move crt2.o building to here.
11449 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11450 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11453 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11455 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11456 from '! xxx' to '!xxx' for coding-style conformance.
11457 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11458 (EXTRA_CONSTRAINT): Likewise.
11459 * config/vax/vax.md (four unnamed insns): Likewise.
11461 2006-03-15 Paul Brook <paul@codesourcery.com>
11463 * config/arm/arm.c (minipool_pad): New.
11464 (add_minipool_forward_ref): Include pool alignment padding in address
11466 (push_minipool_fix): Set minipool_pad.
11467 (minipool_pad): Ditto.
11469 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11471 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11472 instead of GET_CODE() == MEM and REG_P() instead of
11474 (print_operand_address): Likewise.
11475 (vax_address_cost): Likewise.
11476 (vax_rtx_costs): Likewise.
11477 (vax_notice_update_cc): Likewise.
11478 (vax_output_int_add): Likewise.
11479 (INDEX_REGISTER_P): Likewise.
11480 (BASE_REGISTER_P): Likewise.
11481 (nonindexed_address_p): Likewise.
11482 (vax_mode_dependent_address_p): Likewise.
11483 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11484 (PRINT_OPERAND): Likewise.
11485 * config/vax/vax.md (ashlsi3): Likewise.
11486 (ashlsi3): Likewise.
11487 (some more unnamed insns): Likewise.
11489 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11491 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11492 iterator-style macro.
11493 (mark_control_dependent_edges_necessary): Update the use of
11494 EXECUTE_IF_CONTROL_DEPENDENT.
11496 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11498 * config/sh/predicates.md (cache_address_operand): Special.
11499 (ua_address_operand): Likewise.
11501 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11503 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11505 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11507 2006-03-15 Andreas Schwab <schwab@suse.de>
11509 * gensupport.c (identify_predicable_attribute): Don't free p_false
11510 when it is still in use.
11512 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11514 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11515 the default setting here.
11517 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11519 * tree-pass.h (pass_cfg): Remove.
11520 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11521 * passes.c (pass_cfg): Don't run it.
11523 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11525 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11526 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11528 (stack_regs_mentioned): Update the uses of
11529 stack_regs_mentioned_data. Don't access the array beyond its
11531 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11532 Don't include gt-reg-stack.h.
11534 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11535 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11537 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11539 PR middle-end/26684
11540 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11543 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11545 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11547 2006-03-14 Richard Guenther <rguenther@suse.de>
11549 PR tree-optimization/26672
11550 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11553 2006-03-14 Richard Guenther <rguenther@suse.de>
11555 PR tree-optimization/26667
11556 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11557 node for the callees. Always allow inlining if it will shrink
11560 2006-03-14 Richard Guenther <rguenther@suse.de>
11562 PR middle-end/26659
11563 * builtins.c (get_pointer_alignment): Prefer alignment
11564 information from decls over that from types.
11566 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11569 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11571 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11573 * config/rs6000/rs6000.opt (mdlmzb): New option.
11574 (msched-prolog, msched-epilog): Use Var not Mask.
11575 * doc/invoke.texi (-mdlmzb): Document.
11576 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11578 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11579 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11581 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11583 PR rtl-optimization/25739
11584 * bt-load.c (augment_live_range): Free tos pointer.
11586 * gensupport.c (identify_predicable_attribute): Free
11588 * gcov.c (create_file_names): Free name pointer.
11590 2006-03-13 Roger Sayle <roger@eyesopen.com>
11592 PR middle-end/26557
11593 * stmt.c (emit_case_nodes): Handle the case where the index is a
11594 CONST_INT, where the comparison mode is specified by the index type.
11596 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11598 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11601 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11603 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11604 (*branch_fp_inverted): Likewise.
11606 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11608 PR middle-end/25989
11609 * omp-low.c (expand_omp_for_generic): Mark istart0
11610 and iend0 as addressable.
11612 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11614 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11616 2006-03-13 Jeff Law <law@redhat.com>
11618 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11619 virtual operands are interesting.
11620 (vrp_visit_stmt): Corresponding changes.
11622 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11624 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11626 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11627 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11628 * config/bfin/crti.S: Use it instead of __PIC__.
11629 * config/bfin/crtn.S: Likewise.
11631 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11632 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11634 Lose 'G' modifier for call operand.
11635 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11636 recognize 'G' modifier.
11638 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11640 PR middle-end/18859
11641 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11642 * stmt.c (expand_case): Likewise.
11644 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11646 PR rtl-optimization/26254
11647 * loop-invariant.c (seq_insns_valid_p): New function.
11648 (move_invariant_reg): Only emit new code if it is valid.
11650 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11652 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11654 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11655 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11656 (commit_one_edge_insertion): Do not look for loop notes.
11658 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11660 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11661 flag_test_coverage out of loop.
11663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11665 * final.c (shorten_branches): Remove outdated comment, and turn
11666 the if branch that guards it to continue.
11668 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11670 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11671 * cfgloop.h (struct loop): Remove unused fields.
11673 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11675 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11676 (-dL, -fdump-rtl-loop2): Update the dump file names
11678 * doc/invoke.texi: Update dump file names.
11680 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11682 * predict.c (estimate_probability): Remove.
11683 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11684 * basic-block.h (estimate_probability): Remove prototype.
11685 * passes.c (finish_optimization_passes): Dump branch prediction or
11686 profiling heuristics to the .profile tree dump.
11687 (init_optimization_passes): Unqueue pass_branch_prob.
11689 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11691 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11693 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11694 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11696 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11698 * function.h (frame_offset_overflow): Declare.
11699 * function.c (frame_offset_overflow): New function.
11700 (assign_stack_local_1): Call it to detect that the offset overflows.
11701 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11703 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11705 * config/sh/sh.c: Include alloc-pool.h.
11706 (label_ref_list_pool): New alloc pool.
11707 (label_ref_list_t): New type for lists of labels.
11708 (struct pool_node): Make wend a label_ref_list_t.
11709 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11711 (dump_table): Likewise.
11712 (sh_reorg): Set up the alloc pool before using add_constant and
11713 dump_table, and destroy it when finishing.
11715 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11717 * config/mips/mips.c: Remove redundant comment.
11719 2006-03-10 Jason Merrill <jason@redhat.com>
11722 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11723 the target was declared 'register'.
11725 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11727 * genpreds.c (write_insn_constraint_len): Change definition of
11728 insn_constraint_len to return size_t to match the declaration.
11730 2006-03-10 DJ Delorie <dj@redhat.com>
11732 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11734 (m32c_expand_insv): Fix test for an AND mask.
11736 2006-03-10 Richard Guenther <rguenther@suse.de>
11738 PR middle-end/26565
11739 * builtins.c (get_pointer_alignment): Handle component
11740 references for field alignment.
11742 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11744 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11745 when building with libgloss.
11746 (sh*elf): Implement --without-fp option.
11747 (sh64-superh-linux*): Don't multilib.
11749 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11751 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11753 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11755 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11756 Set it when one of the replacement functions returned true.
11757 Return TODO_cleanup_cfg if cfgchanged is true.
11758 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11760 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11762 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11763 instead of gen_lowpart.
11765 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11767 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11769 (mips_output_order_conditional_branch): Declare.
11770 * config/mips/mips.h (MIPS_BRANCH): New macro.
11771 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11772 for the comparison. Use gen_condjump.
11773 (mips_output_conditional_branch): Rework interface to take the
11774 asm templates for a direct branch and the inverse of a direct branch.
11775 (mips_output_order_conditional_branch): New function.
11776 (mips_builtin_branch_and_move): New function.
11777 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11778 branch condition. Use gen_single_cc as the condition for
11779 __builtin_mips_upper_* or __builtin_mips_lower_*.
11780 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11781 Use VOIDmode for the branch condition.
11782 * config/mips/predicates.md (order_operator): New predicate.
11783 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11784 (branch_fp): Rename to...
11785 (*branch_fp): ...this. Remove mode from comparison operator.
11786 Use new mips_output_conditional_branch interface.
11787 (branch_fp_inverted): Rename to...
11788 (*branch_fp_inverted): ...this and update as for *branch_fp.
11789 (*branch_zero<mode>): Rename to...
11790 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11791 Use mips_output_order_conditional_branch. Only accept ordered
11793 (*branch_zero<mode>_inverted): Rename to...
11794 (*branch_order<mode>_inverted): ...this and update as for
11795 *branch_order<mode>.
11796 (*branch_equality<mode>): Accept zero as the second operand to
11797 the equality operator. Use the new mips_output_conditional_branch
11799 (*branch_equality<mode>_inverted): Likewise.
11800 (condjump): New expander.
11801 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11803 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11804 (bc1any2t, bc1any2f): Likewise.
11805 (single_cc): New expander.
11806 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11808 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11810 * doc/md.texi: Update documentation of MIPS constraints.
11811 * config/mips/constraints.md: New file.
11812 * config/mips/mips.md: Include it.
11813 * config/mips/mips.c (mips_char_to_class): Delete.
11814 (override_options): Don't initialize mips_char_to_class.
11815 * config/mips/mips.h (mips_char_to_class): Delete.
11816 (REG_CLASS_FROM_LETTER): Delete.
11817 (CONST_OK_FOR_LETTER_P): Delete.
11818 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11819 (EXTRA_CONSTRAINT_Y): Delete.
11820 (EXTRA_CONSTRAINT_STR): Delete.
11821 (CONSTRAINT_LEN): Delete.
11822 (EXTRA_MEMORY_CONSTRAINT): Delete.
11824 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11826 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11827 original fn's eh regions.
11829 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11831 * fold-const.c (build_range_check): Make sure to use a valid type to
11832 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11835 (range_predecessor): New static function.
11836 (range_successor): Likewise.
11837 (merge_ranges): Use them to compute predecessors and successors of
11840 2006-03-09 Roger Sayle <roger@eyesopen.com>
11842 PR middle-end/26561
11843 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11844 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11846 2006-03-08 DJ Delorie <dj@redhat.com>
11848 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11849 (addpsi3): Expand to include memory operands. Remove
11850 reload-specific splits.
11851 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11852 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11853 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11854 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11855 (shift1_qi, shift1_hi, insv): New.
11856 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11857 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11858 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11860 * config/m32c/m32c-protos.h: Update as needed.
11861 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11862 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11863 Fail for unrecognized R* constraints.
11864 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11865 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11866 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11868 (m32c_init_libfuncs): New.
11869 (m32c_legitimate_address_p): Add debug wrapper.
11870 (m32c_rtx_costs): New.
11871 (m32c_address_cost): New.
11872 (conversions): Add 'B' prefix.
11873 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11874 operands, or word regnames for QI operands. 'B' prints bit
11876 (m32c_expand_setmemhi): New.
11877 (m32c_expand_movmemhi): New.
11878 (m32c_expand_movstr): New.
11879 (m32c_expand_cmpstr): New.
11880 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11881 (m32c_expand_neg_mulpsi3): Handle non-ints.
11882 (m32c_cmp_flg_0): New.
11883 (m32c_expand_movcc): New.
11884 (m32c_expand_insv): New.
11885 (m32c_scc_pattern): New.
11886 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11887 a0/a1 out of SIregs.
11888 (STORE_FLAG_VALUE): New.
11889 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11892 * config/m32c/mov.md: Make constraints more liberal.
11893 (zero_extendqihi2): Optimize r0/r1 case.
11894 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11895 * config/m32c/predicates.md (m32c_any_operand): New.
11896 (m32c_nonimmediate_operand): New.
11897 (m32c_hl_operand): New.
11898 (m32c_r3_operand): New.
11901 (memsym_operand): New.
11902 (memimmed_operand): New.
11903 (a_qi_operand): New.
11904 (m32c_eqne_operator): New.
11905 (m32c_1bit8_operand): New.
11906 (m32c_1bit16_operand): New.
11907 (m32c_1mask8_operand): New.
11908 (m32c_1mask16_operand): New.
11909 * config/m32c/blkmov.md: New file.
11910 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11912 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11914 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11915 unsigned to fix signed/unsigned comparison issue in
11916 DWARF2_FRAME_REG_OUT.
11917 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11918 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11920 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11921 of ptr into the ENABLE_CHECKING section.
11923 2006-03-08 Jeff Law <law@redhat.com>
11925 * tree-vrp.c (infer_value_range): Only count pointer uses
11926 and dereferences if -fdelete-null-pointer-checks is enabled.
11928 * tree-vrp.c (find_assert_locations): Infer value ranges for
11929 single use pointers, but do not create ASSERT_EXPRs for them.
11930 When a non-null range is inferred for a pointer, backwards
11931 propagate that range to other equivalent pointers through the
11934 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11937 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11938 language hook targets.
11939 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11940 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11941 if language hook targets were missing.
11943 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11945 * tree-ssa-opfinalize.h: Removed.
11946 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11948 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11949 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11950 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11951 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11952 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11953 finalize_ssa_v_must_def_ops): New.
11955 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11957 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11958 block as parameter.
11960 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11962 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11964 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11965 addresses with offsets; reorganize.
11967 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11968 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11969 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11971 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11974 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11976 2006-03-08 Ben Elliston <bje@au.ibm.com>
11978 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11980 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11983 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11986 2006-03-07 Richard Guenther <rguenther@suse.de>
11988 PR tree-optimization/26587
11989 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11991 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11993 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11995 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11997 * hooks.c (hook_bool_mode_rtx_true): New function.
11998 * hooks.h (hook_bool_mode_rtx_true): Declare.
11999 * toplev.c (compile_file): Call output_shared_constant_pool.
12000 * varasm.c (shared_constant_pool): New variable.
12001 (assemble_start_function, assemble_end_function): Remove arguments
12002 from call to output_constant_pool.
12003 (create_constant_pool): New function, split out from...
12004 (init_varasm_status): ...here.
12005 (force_const_mem): Choose between the shared and per-function constant
12006 pools. Set current_function_uses_const_pool when reusing old entries
12007 as well as when creating new ones.
12008 (mark_constant): Ignore data argument.
12009 (mark_constants): Remove pool argument.
12010 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12011 to decide whether the function uses a constant pool.
12012 (output_constant_pool_contents): New function, split out from...
12013 (output_constant_pool): ...here.
12014 (output_shared_constant_pool): New function.
12015 (init_varasm_once): Initialize shared_constant_pool.
12016 * output.h (output_constant_pool): Delete.
12017 (output_shared_constant_pool): Declare.
12018 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12019 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12021 2006-03-06 Nick Clifton <nickc@redhat.com>
12023 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12024 flag_strength_reduce.
12026 2006-03-06 Ben Elliston <bje@au.ibm.com>
12028 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12029 x86_64-*-linux* configurations.
12031 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12032 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12034 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12036 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12038 * basic-block.h: Remove the extern for
12039 rediscover_loops_after_threading.
12041 * cfgloop.c (cancel_loop): Make it static.
12042 * cfgloop.h: Remove the prototype for cancel_loop.
12044 * flow.c (recompute_reg_usage): Make it static.
12045 * rtl.h: Remove the prototype for recompute_reg_usage.
12047 * function.c (use_return_register): Make it static.
12048 * function.h: Remove the prototype.
12050 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12052 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12054 * recog.h: Remove the prototype for
12055 validate_change_maybe_volatile.
12057 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12059 * rtlanal.c (replace_reg): Remove.
12060 * rtl.h: Remove the prototype for replace_reg.
12062 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12064 * regclass.c (reg_scan_update): Remove.
12065 (reg_scan_mark_refs): Remove the last argument.
12066 * rtl.h: Remove the prototype for reg_scan_update.
12068 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12070 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12071 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12072 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12073 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12074 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12075 loop-invariant.c, omp-low.c, opts.c, passes.c,
12076 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12077 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12078 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12079 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12080 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12081 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12083 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12085 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12086 * dwarf2out.h: Remove the prototype for
12087 dwarf2out_add_library_unit_info.
12089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12091 * tree.c (add_var_to_bind_expr): Remove.
12092 * tree.h: Remove the prototype for add_var_to_bind_expr.
12094 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12096 * regclass.c (n_non_fixed_regs): Remove.
12097 (init_reg_sets_1, globalize_reg): Remove all uses of
12099 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12103 * rtlanal.c (insns_safe_to_move_p): Remove.
12104 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12106 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12108 * expmed.c (expand_mult_add): Remove.
12109 * expr.h: Remove the prototype for expand_mult_add.
12111 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12113 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12114 and REG_SAVED_VAL_EXP constants.
12115 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12116 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12117 Handle regs stored by value.
12118 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12119 (execute_cfa_program): Handle DW_CFA_val_offset,
12120 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12121 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12122 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12123 (uw_install_context_1): Handle target regs stored by value.
12125 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12127 * tree-sra.c (tree_sra): Return todoflags;
12128 (generate_one_element): Set TODO_update_smt_usage if needed.
12129 (pass_sra): Remove TODO_update_smt_usage.
12130 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12132 (tree_ssa_forward_propagate_single_use_vars): Return
12133 TODO_update_smt_usage if we need to update SMT usage.
12134 (pass_forwprop): Remove TODO_update_smt_usage.
12136 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12138 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12139 (correct_use_link): Remove reference to get_stmt_operands.
12140 (update_stmt_operands): Likewise.
12141 (get_modify_expr_operands): New function factored out of
12142 parse_ssa_operands and get_expr_operands.
12143 Try to create V_MUST_DEFs for LHS by default.
12144 (get_expr_operands) <case MODIFY_EXPR>: Call
12145 get_modify_expr_operands.
12146 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12147 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12148 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12149 get_modify_expr_operands.
12151 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12153 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12154 * tree-flow.h: Remove the prototype for
12155 referenced_var_lookup_if_exists.
12157 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12159 PR rtl-optimization/26345
12161 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12163 2006-03-03 Roger Sayle <roger@eyesopen.com>
12165 PR tree-optimization/26524
12166 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12167 fold_convert to create a constant of the appropriate type.
12169 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12171 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12172 SYMBOL_REF_IN_BLOCK_P.
12173 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12174 of SYMBOL_FLAG_IN_BLOCK.
12175 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12176 instead of SYMBOL_REF_IN_BLOCK_P.
12177 * explow.c (use_anchored_address): Likewise.
12178 * rtl.c (rtx_size): Likewise.
12179 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12180 instead of SYMBOL_FLAG_IN_BLOCK.
12181 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12182 SYMBOL_REF_IN_BLOCK_P.
12183 (assemble_variable): Likewise.
12184 (output_constant_def_contents): Likewise.
12185 (output_constant_pool): Likewise.
12186 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12187 instead of SYMBOL_FLAG_IN_BLOCK.
12188 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12189 SYMBOL_REF_IN_BLOCK_P.
12190 (SYMBOL_REF_BLOCK): Likewise.
12191 (SYMBOL_REF_OFFSET): Likewise.
12192 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12193 SYMBOL_REF_IN_BLOCK_P.
12194 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12195 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12196 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12197 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12199 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12201 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12203 2006-03-02 Roger Sayle <roger@eyesopen.com>
12205 * simplify-rtx.c (simplify_unary_operation): When simplifying
12206 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12207 that we perform the right shift in the appropriate mode, and
12208 then extend or truncate the result to requested mode.
12210 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12212 * gengtype.c (main): Handle double_int type.
12213 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12214 * double-int.c: New file.
12215 * double-int.h: New file.
12216 * system.h: Include doubleint.h.
12217 * Makefile.in (SYSTEM_H): Include double-int.h.
12218 (double-int.o): Add.
12220 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12223 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12226 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12228 * tree-vrp.c (remove_range_assertions): Do not update statements
12231 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12233 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12235 * gcse.c (rest_of_handle_gcse): Ditto.
12236 * except.c (gate_handle_eh): Ditto.
12237 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12238 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12240 2006-03-02 Eric Christopher <echristo@apple.com>
12242 * config/i386/i386.c (machopic_output_stub): Add indirection to
12245 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12249 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12251 Sun Niagara specific optimizations.
12252 * config.gcc: Recognize niagara as target.
12253 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12254 (TARGET_CPU_niagara): Define.
12255 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12256 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12257 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12258 (ASM_CPU_SPEC): Likewise.
12259 (PROCESSOR_NIAGARA): New enum entry.
12260 (REGISTER_MOVE_COST): Handle Niagara.
12261 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12262 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12263 (sparc_override_options): Recognize "niagara", set appropriate
12264 default MASK_* values for it, and align functions to 32-bytes
12265 by default just like ULTRASPARC/ULTRASPARC3.
12266 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12267 (sparc64_initialize_trampoline): Likewise.
12268 (sparc_use_sched_lookahead): Use zero for niagara.
12269 (sparc_issue_rate): Use one for niagara.
12270 * config/sparc/niagara.md: New file.
12271 * config/sparc/sparc.md: Include it.
12272 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12273 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12274 when default cpu is niagara.
12275 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12276 (ASM_CPU_SPEC): Likewise.
12277 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12278 when default cpu is niagara.
12279 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12280 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12281 just like v9/ultrasparc/ultrasparc3.
12282 * doc/invoke.texi: Add documentation for "niagara" and improve
12283 existing documentation for ultrasparc variants.
12285 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12287 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12289 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12291 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12292 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12293 and say that only one is needed.
12294 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12295 * target.h (have_switchable_bss_sections): New hook.
12296 * explow.c (use_anchored_address): Check that the symbol is in a block.
12297 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12298 (bss_noswitch_section): New variables.
12299 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12300 (get_noswitch_section): New function.
12301 (get_block_for_section): Allow SECT to be null.
12302 (unlikely_text_section_p): Use SECTION_STYLE.
12303 (bss_initializer_p): New function.
12304 (get_variable_section): Move earlier in file. Take a new argument,
12305 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12306 Return one of the new *_sections in such cases.
12307 (get_block_for_decl): New function, extracting some logic from
12308 use_blocks_for_decl_p.
12309 (change_symbol_section): Remove in favor of...
12310 (change_symbol_block): ...this new function.
12311 (use_blocks_for_decl_p): Remove checks now performed by
12312 get_block_for_decl.
12313 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12314 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12315 (emit_local, emit_bss, emit_common): ...these new functions.
12316 Return true if the alignment was honored.
12317 (emit_tls_common): New function.
12318 (asm_emit_uninitialised): Delete.
12319 (assemble_variable_noswitch): New function, split out from...
12320 (assemble_variable): ...here. Don't make decisions about common
12321 variables here. Globalize all public decls that go into non-common
12322 sections. Check whether SYMBOL_REF_BLOCK is null.
12323 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12324 (output_constant_pool): Likewise.
12325 (init_varasm_once): Initialize the new section variables.
12326 (have_global_bss_p): New function.
12327 (categorize_decl_for_section): Use bss_initializer_p.
12328 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12329 (place_block_symbol): Assert that the symbol must be in a block.
12330 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12331 (TARGET_INITIALIZER): Include it.
12332 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12333 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12334 (SECTION_MACH_DEP): Bump by two.
12335 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12336 (unnamed_section): Mention SECTION_UNNAMED in comment.
12337 (named_section): Likewise SECTION_NAMED.
12338 (noswitch_section_callback): New type.
12339 (noswitch_section): New structure.
12340 (section): Add a noswitch_section alternative.
12341 (SECTION_STYLE): New macro.
12342 (tls_comm_section, comm_section, lcomm_section): Declare.
12343 (bss_noswitch_section, have_global_bss_p): Declare.
12344 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12345 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12347 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12348 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12351 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12353 * tree-vrp.c (execute_vrp): Return value.
12354 * regrename.c (rest_of_handle_regrename): Ditto.
12355 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12356 * tree-complex.c (tree_lower_complex): Ditto.
12357 (tree_lower_complex_O0): Ditto.
12358 * tracer.c (rest_of_handle_tracer): Ditto.
12359 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12360 * postreload.c (rest_of_handle_postreload): Ditto.
12361 * tree-tailcall.c (execute_tail_recursion): Ditto.
12362 (execute_tail_calls): Ditto.
12363 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12364 * tree.h (init_function_for_compilation): Ditto.
12365 * ipa-cp.c (ipcp_driver): Ditto.
12366 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12367 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12368 * final.c (compute_alignments): Ditto.
12369 (rest_of_handle_final): Ditto.
12370 (rest_of_handle_shorten_branches): Ditto.
12371 (rest_of_clean_state): Ditto.
12372 * omp-low.c (execute_expand_omp): Ditto.
12373 (execute_lower_omp): Ditto.
12374 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12375 * ipa-reference.c (static_execute): Ditto.
12376 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12377 * reorg.c (rest_of_handle_delay_slots): Ditto.
12378 (rest_of_handle_machine_reorg): Ditto.
12379 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12380 * flow.c (recompute_reg_usage): Ditto.
12381 (rest_of_handle_remove_death_notes): Ditto.
12382 (rest_of_handle_life): Ditto.
12383 (rest_of_handle_flow2): Ditto.
12384 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12385 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12386 (do_ssa_store_ccp): Ditto.
12387 (execute_fold_all_builtins): Ditto.
12388 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12389 * modulo-sched.c (rest_of_handle_sms): Ditto.
12390 * ipa-pure-const.c (static_execute): Ditto.
12391 * cse.c (rest_of_handle_cse): Ditto.
12392 (rest_of_handle_cse2): Ditto.
12393 * web.c (rest_of_handle_web): Ditto.
12394 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12395 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12396 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12397 * tree-nrv.c (tree_nrv): Ditto.
12398 (execute_return_slot_opt): Ditto.
12399 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12400 (create_structure_vars): Ditto.
12401 * loop-init.c (rtl_loop_init): Ditto.
12402 (rtl_loop_done): Ditto.
12403 (rtl_move_loop_invariants): Ditto.
12404 (rtl_unswitch): Ditto.
12405 (rtl_unroll_and_peel_loops): Ditto.
12406 (rtl_doloop): Ditto.
12407 * gimple-low.c (lower_function_body): Ditto.
12408 (mark_used_blocks): Ditto.
12409 * tree-ssa-sink.c (execute_sink_code): Ditto.
12410 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12411 (cgraph_early_inlining): Ditto.
12412 * global.c (rest_of_handle_global_alloc): Ditto.
12413 * jump.c (cleanup_barriers): Ditto.
12414 (purge_line_number_notes): Ditto.
12415 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12416 (rest_of_handle_if_after_reload): Ditto.
12417 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12418 (tree_ssa_loop_im): Ditto.
12419 (tree_ssa_loop_unswitch): Ditto.
12420 (tree_vectorize): Ditto.
12421 (tree_linear_transform): Ditto.
12422 (tree_ssa_loop_ivcanon): Ditto.
12423 (tree_ssa_empty_loop): Ditto.
12424 (tree_ssa_loop_bounds): Ditto.
12425 (tree_complete_unroll): Ditto.
12426 (tree_ssa_loop_prefetch): Ditto.
12427 (tree_ssa_loop_ivopts): Ditto.
12428 (tree_ssa_loop_done): Ditto.
12429 * predict.c (tree_estimate_probability): Ditto.
12430 * recog.c (split_all_insns_noflow): Ditto.
12431 (rest_of_handle_peephole2): Ditto.
12432 (rest_of_handle_split_all_insns): Ditto.
12433 * tree-eh.c (lower_eh_constructs): Ditto.
12434 * regmove.c (rest_of_handle_regmove): Ditto.
12435 (rest_of_handle_stack_adjustments): Ditto.
12436 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12437 * function.c (instantiate_virtual_regs): Ditto.
12438 (init_function_for_compilation): Ditto.
12439 (rest_of_handle_check_leaf_regs): Ditto.
12440 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12441 (rest_of_handle_gcse): Ditto.
12442 * ipa-type-escape.c (type_escape_execute): Ditto.
12443 * alias.c (rest_of_handle_cfg): Ditto.
12444 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12445 * profile.c (rest_of_handle_branch_prob): Ditto.
12446 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12447 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12448 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12449 * tree-dfa.c (find_referenced_vars): Ditto.
12450 * except.c (set_nothrow_function_flags): Ditto.
12451 (convert_to_eh_region_ranges): Ditto.
12452 (rest_of_handle_eh): Ditto.
12453 * emit-rtl.c (unshare_all_rtl): Ditto.
12454 (remove_unnecessary_notes): Ditto.
12455 * except.h (set_nothrow_function_flags): Ditto.
12456 (convert_to_eh_region_ranges): Ditto.
12457 * cfgexpand.c (tree_expand_cfg): Ditto.
12458 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12459 * tree-ssa-pre.c (do_pre): Ditto.
12460 (execute_fre): Ditto.
12461 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12462 (rest_of_handle_jump2): Ditto.
12463 * tree-sra.c (tree_sra): Ditto.
12464 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12465 (execute_mudflap_function_decls): Ditto.
12466 * tree-ssa-copy.c (do_copy_prop): Ditto.
12467 (do_store_copy_prop): Ditto.
12468 * ipa-prop.h (ipcp_driver): Ditto.
12469 * cfglayout.c (insn_locators_initialize): Ditto.
12470 * tree-ssa-forwprop.c
12471 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12472 * cfglayout.h (insn_locators_initialize): Ditto.
12473 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12474 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12475 (execute_late_warn_uninitialized): Ditto.
12476 * rtl.h (cleanup_barriers): Ditto.
12477 (split_all_insns_noflow): Ditto.
12478 (purge_line_number_notes): Ditto.
12479 (unshare_all_rtl): Ditto.
12480 (remove_unnecessary_notes): Ditto.
12481 (recompute_reg_usage): Ditto.
12482 (variable_tracking_main): Ditto.
12483 * integrate.c (emit_initial_value_sets): Ditto.
12484 * integrate.h (emit_initial_value_sets): Ditto.
12485 * tree-optimize.c (execute_free_datastructures): Ditto
12486 (execute_free_cfg_annotations): Ditto.
12487 (execute_fixup_cfg): Ditto.
12488 (execute_cleanup_cfg_pre_ipa): Ditto.
12489 (execute_cleanup_cfg_post_optimizing): Ditto.
12490 (execute_init_datastructures): Ditto.
12491 * tree-object-size.c (compute_object_sizes): Ditto.
12492 * combine.c (rest_of_handle_combine): Ditto.
12493 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12494 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12495 (rest_of_handle_reorder_blocks): Ditto.
12496 (rest_of_handle_partition_blocks): Ditto.
12497 * var-tracking.c (variable_tracking_main): Ditto.
12498 * tree-profile.c (tree_profiling): Ditto.
12499 * tree-vect-generic.c (expand_vector_operations): Ditto.
12500 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12501 * sched-rgn.c (rest_of_handle_sched): Ditto.
12502 (rest_of_handle_sched2): Ditto.
12503 * basic-block.h (free_bb_insn): Ditto.
12504 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12505 * tree-cfg.c (execute_build_cfg): Ditto.
12506 (remove_useless_stmts): Ditto.
12507 (split_critical_edges): Ditto.
12508 (execute_warn_function_return): Ditto.
12509 (execute_warn_function_noreturn): Ditto.
12510 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12511 * cfgrtl.c (free_bb_for_insn): Ditto.
12512 * passes.c (execute_one_pass): Run additional
12513 todos returned by execute function.
12514 * tree-pass.h (struct tree_opt_pass): Make execute
12517 2006-03-02 Richard Guenther <rguenther@suse.de>
12519 * tree-ssa-alias.c (find_used_portions): Consider taking
12520 the address as making the variable not write-only.
12522 2006-03-02 Nick Clifton <nickc@redhat.com>
12524 * config.gcc (default_use_cxa_atexit): Extend the description of
12525 this configure variable. Set its default value to "yes" for
12526 Linux, NetBSD and ELF targets on the assumption that they will
12527 use C libraries with the __cxa_atexit function.
12529 2006-03-02 Ben Elliston <bje@au.ibm.com>
12531 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12532 parameter as unused to suppress a build warning.
12534 2006-03-02 Ben Elliston <bje@au.ibm.com>
12536 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12539 2006-03-01 Roger Sayle <roger@eyesopen.com>
12542 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12543 declared name, the weak reference name, and the typeof name.
12544 (__gthrw): Avoid expanding the declared name suffix.
12545 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12547 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12549 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12551 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12552 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12553 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12554 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12555 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12556 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12557 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12558 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12559 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12560 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12561 (DW_END_default, DW_END_big, DW_END_little): New.
12562 (DW_END_lo_user, DW_END_hi_user): Define.
12563 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12564 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12565 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12568 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12570 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12572 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12574 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12576 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12578 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12579 to 'symbol_mem_tag'.
12581 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12584 2006-03-01 Roger Sayle <roger@eyesopen.com>
12586 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12588 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12591 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12592 MACHO_DYNAMIC_NO_PIC_P.
12593 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12595 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12598 * config/darwin-protos.h (darwin_asm_output_anchor):
12600 * config/darwin-sections.def (cstring_section):
12601 Add SECTION_MERGE to the flags.
12602 (literal4_section): Likewise.
12603 (literal8_section): Likewise.
12604 (objc_selector_refs_section): Likewise.
12605 (objc_cls_refs_section): Likewise.
12606 * config/darwin.c (darwin_asm_output_anchor): New
12608 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12610 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12612 Fix PR tree-optimization/26443
12613 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12614 to todo and PROP_tmt_usage to properties_destroyed.
12615 * tree-ssa-ccp.c (pass_ccp): Ditto.
12616 (pass_store_ccp): Ditto.
12617 * tree-ssa-dom.c (pass_dominator): Ditto.
12619 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12621 * tree-ssa-operands.c: Cleanup whitespace.
12622 (get_asm_expr_operands): Move before first invocation.
12623 (get_indirect_ref_operands): Likewise.
12624 (get_tmr_operands): Likewise.
12625 (get_call_expr_operands): Likewise.
12626 (append_def): Likewise.
12627 (append_use): Likewise.
12628 (append_v_may_def): Likewise.
12629 (append_v_must_def): Likewise.
12630 (add_call_clobber_ops): Likewise.
12631 (add_call_read_ops): Likewise.
12632 (add_stmt_operand): Likewise.
12633 (add_virtual_operand): Likewise.
12634 (build_ssa_operands): Likewise.
12636 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12638 PR middle-end/26022
12640 PR middle-end/24437
12641 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12642 with a call expr to ...
12643 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12645 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12647 * tree-vrp.c (extract_range_from_assert): Remove special
12648 handling for types with super-types.
12650 2006-03-01 Ben Elliston <bje@au.ibm.com>
12652 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12653 and powerpc64-*-linux* configurations.
12654 * config/t-dfprules: New file.
12656 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12657 Compile dfp-bit.c from the source directory using -DWIDTH and
12658 $DFP_CFLAGS to control the compilation of that file, rather than
12659 generating width-specific versions in the build directory.
12660 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12661 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12663 2006-02-28 Zack Weinberg <zackw@panix.com>
12665 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12668 2006-02-28 Eric Christopher <echristo@apple.com>
12670 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12671 Set up IN_LIBGCC definition of TARGET_64BIT.
12672 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12674 2006-02-28 Roger Sayle <roger@eyesopen.com>
12676 PR middle-end/14752
12677 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12678 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12679 cases via the construction of "expr != 0".
12681 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12683 * alias.c (alias_invariant, alias_invariant_size): Remove.
12684 (record_base_value): Remove.
12685 (memrefs_conflict_p): Don't look at alias_invariant.
12686 (end_alias_analysis): Don't free it.
12687 * alias.h (record_base_value): Remove prototype.
12689 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12690 Adam Nemet <anemet@caviumnetworks.com>
12692 * rtl.h (truncated_to_mode): Declare it.
12693 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12694 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12695 (RTL_HOOKS_INITIALIZER): Include it.
12696 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12697 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12698 reg_truncated_to_mode.
12699 * rtlanal.c (truncated_to_mode): Define it.
12700 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12702 2006-02-28 Jeff Law <law@redhat.com>
12704 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12705 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12706 the range allowed by TYPE_PRECISION.
12708 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12710 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12712 PR tree-optimization/26419
12713 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12716 2006-02-27 Zack Weinberg <zackw@panix.com>
12718 * doc/md.texi: Fix typo in previous change.
12720 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12724 2006-02-27 Zack Weinberg <zackw@panix.com>
12726 * rtl.def (define_constraint, define_register_constraint)
12727 (define_memory_constraint, define_address_constraint): New MD forms.
12728 * gensupport.c (process_rtx): Put define_constraint etc on the
12730 * genpreds.c (process_define_predicate): Adjust comment. Validate
12731 the name, and call validate_exp to validate the expression.
12732 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12733 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12734 all callers changed.
12735 (validate_exp, needs_variable, struct constraint_data)
12736 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12737 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12738 (const_dbl_constraints, constraint_max_namelen)
12739 (have_register_constraints, have_memory_constraints)
12740 (have_address_constraints, have_address_constraints)
12741 (have_extra_constraints, have_const_int_constraints)
12742 (have_const_dbl_constraints, mangle, add_constraint)
12743 (process_define_constraint, process_define_register_constraint)
12744 (write_enum_constraint_num, write_lookup_constraint)
12745 (write_insn_constraint_len, write_regclass_for_constraint)
12746 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12747 (write_insn_extra_memory_constraint)
12748 (write_insn_extra_address_constraint)
12749 (write_satisfies_constraint_fns): New.
12750 (write_tm_preds_h): If we have new-style constraint definitions,
12751 prototype the functions generated from them, and define the
12752 old constraint interface (still used by generic code) in terms of
12754 (write_insn_preds_c): If we have new-style constraint definitions,
12755 generate all relevant functions from those definitions.
12756 (main): Handle define_constraint etc.
12757 * genoutput.c (struct constraint_data, indep_constraints)
12758 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12759 (mdep_constraint_len): New data structures and functions, defined
12760 #ifdef USE_MD_CONSTRAINTS.
12761 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12762 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12763 use new logic to validate operand constraints against constraint
12765 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12767 * defaults.h: If none of the old-style constraint macros are
12768 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12769 old-style macros; and poison REG_CLASS_FROM_LETTER,
12770 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12772 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12773 * doc/md.texi: Document new constraint-definition mechanism and the
12774 C interface it provides. Remove references to old mechanism
12775 elsewhere in the document.
12776 (Machine Constraints): Use pathnames relative to gcc directory,
12777 i.e. config/ARCH/FILE. Change i386 section to refer to
12778 config/i386/predicates.md; update that section to match docstrings.
12779 * doc/tm.texi: Move all documentation of the old constraint-
12780 definition macros to their own section, clearly mark as obsolete.
12782 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12783 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12785 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12786 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12787 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12788 constraint strings.
12789 (splits and peepholes): Use satisfies_constraint_*.
12790 * config/i386/i386.c (memory_address_length)
12791 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12793 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12795 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12796 scalar operation to be put back into the loop.
12798 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12801 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12802 (extract_cie_info): Handle S flag in augmentation string.
12803 (execute_cfa_program): If context->signal_frame, execute also
12804 fs->pc == context->ra instructions.
12805 (uw_frame_state_for): If context->signal_frame, don't subtract one
12806 from context->ra to find FDE.
12807 (uw_update_context_1): Set context->signal_frame to
12809 (_Unwind_GetIPInfo): New function.
12810 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12811 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12813 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12814 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12815 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12816 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12817 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12818 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12819 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12820 x86_64_fallback_frame_state): Set fs->signal_frame.
12821 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12822 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12823 (frob_update_context): Likewise. Workaround missing S flag in
12824 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12825 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12826 Remove the psw_addr + 1 hack.
12828 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12830 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12831 with aggregates here.
12832 (find_func_aliases): Remove code for &<aggregate> from here.
12834 2006-02-26 Roger Sayle <roger@eyesopen.com>
12836 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12837 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12838 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12839 as (X & C) ne/eq 0.
12841 2006-02-26 Roger Sayle <roger@eyesopen.com>
12843 PR middle-end/19983
12844 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12846 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12848 * opts.c (decode_options): Do not handle flag_strength_reduce.
12849 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12850 and OPT_fstrength_reduce.
12851 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12852 flag_prefetch_loop_arrays for being nonzero.
12853 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12855 (fprefetch-loop-arrays-rtl): Removed.
12856 (flag_prefetch_loop_arrays): Do not specify the value.
12858 * doc/passes.texi: Update documentation of loop optimizer
12860 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12861 -frerun-loop-opt): Remove.
12863 2006-02-26 Richard Guenther <rguenther@suse.de>
12865 PR tree-optimization/26421
12866 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12867 in function calls that are ADDR_EXPRs as using the whole structure.
12869 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12871 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12872 * tree-pass.h (pass_loop_optimize): Remove.
12873 * passes.c (pass_loop_optimize): Never run it.
12874 * toplev.c (backend_init): Don't call init_loop.
12875 * opts.c (flag_loop_optimize_set): Remove.
12876 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12877 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12878 the old RTL loop optimizer when profiling enabled.
12879 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12880 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12881 pre-headers for the sake of the old RTL loop optimizer.
12882 * Makefile.in: Remove all references to loop.o.
12884 * doc/invoke.texi: Remove all references to -floop-optimize
12885 and -frerun-loop-opt.
12887 2006-02-26 Zack Weinberg <zackw@panix.com>
12889 * doc/md.texi (Machine Constraints): Refer to all files with paths
12890 relative to gcc directory (i.e. config/CPU/file). Add missing
12891 @table @code ... @end table to M32C subsection.
12893 2006-02-26 Roger Sayle <roger@eyesopen.com>
12895 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12897 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12899 2006-02-26 Roger Sayle <roger@eyesopen.com>
12900 James A. Morrison <phython@gcc.gnu.org>
12902 PR middle-end/21137
12903 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12904 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12905 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12906 signedness of the shift operation.
12908 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12910 PR tree-optimization/26359
12911 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12913 2006-02-25 Roger Sayle <roger@eyesopen.com>
12915 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12916 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12917 as X == 0, and some symmetry related transformations.
12918 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12920 2006-02-25 Roger Sayle <roger@eyesopen.com>
12922 PR middle-end/23673
12923 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12924 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12925 symmetry related transformations. Fold (X^C1) == C2 as
12928 2006-02-25 Juergen Weigert <jw@suse.de>
12929 Richard Guenther <rguenther@suse.de>
12931 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12933 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12935 * combine.c (gen_lowpart_or_truncate): Call
12936 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12938 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12940 * doc/invoke.texi: Move -fopenmp description to "Options for
12942 Remove reference to -lgomp.
12944 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12946 * doc/install.texi: Require GNU tar version 1.14.
12948 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12950 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12951 * doc/invoke.texi (C++ Dialect Options): Document
12952 -fno-use-cxa-get-exception-ptr.
12953 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12954 * configure: Regenerate.
12955 * c.opt (fuse-cxa-get-exception-ptr): New.
12956 * c-opts.c (c_common_handle_option): Handle
12957 OPT_fuse_cxa_get_exception_ptr.
12958 * c-common.c (flag_use_cxa_atexit): Update documentation.
12959 (flag_use_cxa_get_exception_ptr): New.
12960 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12961 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12963 (C_COMMON_OVERRIDE_OPTIONS): New.
12965 2006-02-24 Roger Sayle <roger@eyesopen.com>
12967 PR middle-end/24952
12968 * combine.c (try_combine): Explicitly check whether GET_CODE is
12969 a SET or a CLOBBER, instead on checking that it isn't a USE.
12971 2006-02-24 Roger Sayle <roger@eyesopen.com>
12973 * fold-const.c (fold_comparison): New subroutine of fold_binary
12974 containing transformations common to both the equality and
12975 ordering relational operators, factored out of fold_binary.
12976 (fold_binary): Separate out the equality operators (EQ_EXPR
12977 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12978 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12979 transformations common to both.
12980 (fold_div_compare): Fix latent bugs in the previously unreachable
12981 LT_EXPR and GE_EXPR cases.
12983 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12985 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12986 decl libname for clog to __clog on AIX.
12988 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12990 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12993 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12994 output traceback table for thunks. Localise rs6000_stack_info call.
12996 2006-02-23 Roger Sayle <roger@eyesopen.com>
12997 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12999 * gthr-posix.h (__gthrw): Fix typo in comment.
13001 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13003 * doc/cpp.texi (Character sets): Document that we do support
13004 input files to be in any character set.
13006 2006-02-23 Jeff Law <law@redhat.com>
13008 * tree.h (PHI_ARG_NONZERO): Remove.
13009 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13010 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13011 node to the new node.
13013 PR tree-optimization/26425
13014 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13015 min/max, then assume its varying.
13017 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13019 PR rtl-optimization/26316
13020 * rtlanal.c (enum may_trap_p_flags): New.
13021 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13022 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13023 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13024 (may_trap_after_code_motion_p): New function.
13025 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13026 (find_invariant_insn): Use may_trap_after_code_motion_p.
13027 * rtl.h (may_trap_after_code_motion_p): Declare.
13029 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13031 * emit-rtl.c (immed_double_const): Cleanup.
13033 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13035 Fix PR tree-optimization/26376
13036 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13039 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13041 PR middle-end/26412
13042 * gimplify.c (omp_add_variable): Guard variable size decl test with
13043 DECL_SIZE (decl) check.
13045 2006-02-23 Richard Guenther <rguenther@suse.de>
13047 PR middle-end/26439
13048 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13049 like aggregate types.
13051 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13053 * configure.ac: Add --with{,out}-long-double-128 configure option.
13054 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13055 * configure: Rebuilt.
13056 * config.in: Rebuilt.
13057 * doc/install.texi (Options specification): Document
13058 --with-long-double-128.
13060 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13061 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13062 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13063 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13065 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13067 * config/s390/s390.c (override_options): Handle
13068 TARGET_DEFAULT_LONG_DOUBLE_128.
13070 * config/alpha/alpha.c (override_options): Handle
13071 TARGET_DEFAULT_LONG_DOUBLE_128.
13073 * config/sparc/sparc.c (sparc_override_options): Handle
13074 TARGET_DEFAULT_LONG_DOUBLE_128.
13076 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13078 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13079 (real-install-headers-tar, real-install-headers-cpio)
13080 (real-install-headers-cp): New targets.
13082 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13084 * tree.h (variable_section): Delete.
13085 * varasm.c (variable_section): Delete.
13087 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13089 * install.texi: Add notes on install.texi2html.
13090 (Building in parallel): Do not use footnotes.
13092 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13095 * doc/install.texi (Configuration): Document --disable-libgomp.
13097 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13099 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13101 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13103 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13104 (vec_extractv2df_0_sse): New.
13106 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13108 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13109 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13110 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13111 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13112 to the result of the expression.
13113 (def_cfa_1): Adjust.
13114 (frame_pointer_cfa_offset): Rename to...
13115 (frame_pointer_fb_offset): ... this. Adjust all uses.
13116 (convert_cfa_to_loc_list): Rename to...
13117 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13118 Pass it on to build_cfa_loc.
13119 (compute_frame_pointer_to_cfa_displacement): Rename to...
13120 (compute_frame_pointer_to_fb_displacement): ... this. New
13121 offset parameter. Use it in computation.
13122 (gen_subprogram_die): Compute cfa_fb_offset with the new
13123 macro, and use it to compute the fb loc list and the
13126 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13128 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13129 replaced with register_operand.
13130 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13131 non-DREG is expensive.
13132 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13133 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13136 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13138 * doc/install.texi2html: Use set -e.
13140 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13142 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13143 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13144 * doc/invoke.texi (-fshared-data): Delete.
13145 * common.opt (fshared-data): Delete.
13146 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13147 (assemble_static_space): Remove #if 0 code.
13148 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13149 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13150 * config/cris/cris.h: Remove FIXME.
13152 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13154 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13157 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13159 PR middle-end/26379
13160 * combine.c (simplify_shift_const_1): Disable nested shifts
13161 optimization for vector shifts.
13163 2006-02-20 Roger Sayle <roger@eyesopen.com>
13165 PR tree-optimization/26361
13166 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13167 of unsigned integer types.
13169 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13171 * tree-chrec.c (eq_evolutions_p): New.
13172 * tree-chrec.h (eq_evolutions_p): Declared.
13173 * tree-data-ref.c: Fix formatting.
13174 (datadep_stats, dependence_stats): New.
13176 (print_direction_vector): New.
13177 (dump_data_dependence_relation): Use print_direction_vector.
13178 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13179 (compute_subscript_distance): Static.
13180 (initialize_data_dependence_relation): Static. Get the number
13181 of loops surrounding the references from the callers, and initialize
13182 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13183 base_object_differ_p analyzers.
13184 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13185 compute_overlap_steps_for_affine_1_2,
13186 analyze_subscript_affine_affine): Count the classified dependences.
13187 Print a message when a test failed.
13188 (can_use_analyze_subscript_affine_affine): New.
13189 (analyze_siv_subscript): Compute the data dependences on symbolic
13190 scevs that verify can_use_analyze_subscript_affine_affine.
13191 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13192 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13193 Handle symbolic scevs.
13194 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13196 (subscript_dependence_tester): Moved...
13197 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13198 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13199 DDR_SIZE_VECT instead of getting it in parameter.
13200 (subscript_dependence_tester): ... here. Take as a parameter
13201 loop_nest_depth. Call build_classic_dist_vector and
13202 build_classic_dir_vector.
13203 (compute_affine_dependence): Update subscript_dependence_tester
13204 parameters. Update datadep_stats counters. Call
13205 compute_subscript_distance.
13206 (compute_self_dependence): Save the dist and dir vectors. Call
13207 compute_subscript_distance.
13208 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13209 (compute_all_dependences): Reorder parameters as they were before
13210 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13211 compute_subscript_distance. Update the use of
13212 compute_affine_dependence and initialize_data_dependence_relation.
13213 (find_data_references_in_loop): Handle COMPONENT_REF.
13214 (compute_data_dependences_for_loop): Initialize dependence_stats.
13215 Don't call build_classic_dist_vector and build_classic_dir_vector.
13216 Update the parameters of initialize_data_dependence_relation and
13217 compute_all_dependences. Print the statistics from datadep_stats.
13218 (analyze_all_data_dependences): Static. Not used until the pass for
13219 checking the data dependences is contributed.
13220 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13221 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13222 (initialize_data_dependence_relation, compute_affine_dependence,
13223 analyze_all_data_dependences, compute_subscript_distance): Removed.
13224 (print_direction_vector): New.
13225 * lambda.h (gcd): ... here.
13226 (lambda_vector_gcd): Moved here from gcd_vector.
13227 * lambda-code.c (gcd, gcd_vector): Removed.
13228 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13229 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13231 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13233 * ipa-type-escape.c: Tidy some comments and white space.
13234 * tree-ssa-operands.c: Likewise.
13236 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13239 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13240 (dump_decl_name): Do not walk the decl tree chains.
13241 * tree-pass.h (TDF_CHAIN): Remove.
13243 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13245 * Makefile.in (C): Remove
13247 (.PHONY): Remove C and PROTO
13249 2006-02-20 Roger Sayle <roger@eyesopen.com>
13251 PR middle-end/26236
13252 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13253 deprecated CHAR_TYPE tree code.
13255 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13257 * configure.ac (target_list): Add install-info, dvi, html.
13258 * configure: Regenerate.
13260 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13261 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13262 treelang/Make-lang.in: Do not use double-colon rules.
13264 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13266 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13267 (TMT_USED_ALONE): New macro.
13268 * tree-pass.h (PROP_tmt_usage): New property.
13269 (TODO_update_tmt_usage): New todo.
13270 * tree-ssa-alias.c (updating_used_alone): New variable.
13271 (recalculate_used_alone): New function.
13272 (compute_may_aliases): Set updating_used_alone, call
13273 recalculate_used_alone.
13274 * tree-sra.c (pass_sra): Note that this pass destroys
13275 PROP_tmt_usage, and add TODO_update_tmt_usage.
13276 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13277 * tree-flow.h (updating_used_alone): Prototype.
13278 (recalculate_used_alone): Ditto.
13279 * passes.c (execute_todo): Add code to set updating_used_alone,
13280 and call recalculate.
13281 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13282 for clobber if used alone, and add assert to verify used_alone
13285 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13287 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13288 for non tls symbols added.
13289 (legitimize_address): Do nothing for PLUS expressions if one of the
13290 addends is a tls symbol reference.
13292 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13296 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13298 * Makefile.in (BOOTSTRAPPING): New.
13299 (quickstrap): New definition if BOOTSTRAPPING=yes.
13301 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13302 * configure.ac: Substitute all_selected_languages with the languages
13303 that were configured. For all the other variables except
13304 lang_specs_files, include all the languages in the tree.
13305 * configure: Regenerate.
13307 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13308 if there is one. Run the commands to run fixincludes in the same
13311 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13312 * doc/install.texi: Document exact conventions for searching target tools.
13313 Document --with-build-time-tools. Document toplevel bootstrap. Document
13314 something more about building an Ada cross-compiler. Don't list GNU Make
13315 requirements which affect all platforms.
13317 2006-02-19 Roger Sayle <roger@eyesopen.com>
13319 PR middle-end/19543
13320 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13321 only equivalent if the have both the same mode and precision.
13323 2006-02-20 Ben Elliston <bje@au.ibm.com>
13325 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13327 2006-02-19 Roger Sayle <roger@eyesopen.com>
13328 Steven Bosscher <stevenb.gcc@gmail.com>
13330 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13331 constant pool references to identify stack mode constants.
13332 * rtlanal.c (constant_pool_constant_p): New predicate to check
13333 whether operand is a floating point constant in the pool.
13334 * rtl.h (constant_pool_constant_p): Prototype here.
13335 * loop.c (scan_loop): Avoid hoisting constants from the constant
13336 pool on STACK_REGS targets.
13337 (load_mems): Likewise.
13338 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13339 loads into x87 registers expensive in terms of register pressure.
13341 2006-02-19 Roger Sayle <roger@eyesopen.com>
13343 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13344 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13346 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13348 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13349 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13351 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13353 * doc/invoke.texi: Document -fipa-pta.
13354 * common.opt: Add ipa-pta option.
13355 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13356 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13357 (do_ds_constraint): Ditto.
13358 (get_constraint_for): Only add to referenced_vars if
13359 referenced_vars exists.
13360 (insert_into_field_list): Rewrite to do this unsorted.
13361 (insert_into_field_list_sorted): Rename old insert_into_field_list
13363 (create_function_info_for): Use insert_into_field_list_sorted.
13364 (create_variable_info_for): Rewrite so it uses unsorted version,
13365 since the field list is sorted.
13366 (intra_create_variable_infos): Only add to referenced_vars if
13367 referenced_vars exists.
13368 (ipa_pta_execute): Init heapvars, and delete when done.
13369 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13371 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13373 * doc/install.texi: Add missing `@samp'.
13375 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13377 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13380 2006-02-18 Mark Wielaard <mark@klomp.org>
13382 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13383 who added new 4.1 features, bug fixes and integration support.
13385 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13388 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13389 MEM for ABI_V4 pic.
13391 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13393 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13394 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13395 (copy_insn_1): Likewise. Don't copy each field individually.
13397 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13399 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13400 * rtl.c (rtx_size): Rename variable to...
13401 (rtx_code_size): ...this.
13402 (rtx_size): New function.
13403 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13404 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13406 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13407 * rtl.h (rtx_code_size): New variable.
13408 (rtx_size): Change from a variable to a function.
13409 (RTX_SIZE): Rename to...
13410 (RTX_CODE_SIZE): ...this.
13413 PR tree-optimization/17106
13414 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13415 (Anchored Addresses): New section.
13416 * doc/invoke.texi (-fsection-anchors): Document.
13417 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13418 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13419 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13420 * hooks.c (hook_bool_mode_rtx_false): New function.
13421 * hooks.h (hook_bool_mode_rtx_false): Declare.
13422 * gengtype.c (create_optional_field): New function.
13423 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13424 SYMBOL_REF_IN_BLOCK_P is true.
13425 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13426 (min_anchor_offset, max_anchor_offset): Likewise.
13427 (use_anchors_for_symbol_p): New hook.
13428 * toplev.c (compile_file): Call output_object_blocks.
13429 (target_supports_section_anchors_p): New function.
13430 (process_options): Check that -fsection-anchors is only used on
13431 targets that support it and when -funit-at-a-time is in effect.
13432 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13433 if the decl doesn't have one.
13434 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13435 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13436 of force_const_mem through use_anchored_address.
13437 (expand_expr_constant): New function.
13438 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13439 calling expand_expr for INDIRECT_REF.
13440 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13441 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13442 * expr.h (use_anchored_address): Declare.
13443 * loop-unroll.c: Don't declare rtx vectors here.
13444 * explow.c: Include output.h.
13445 (validize_mem): Call use_anchored_address.
13446 (use_anchored_address): New function.
13447 * common.opt (-fsection-anchors): New switch.
13448 * varasm.c (object_block_htab, anchor_labelno): New variables.
13449 (hash_section, object_block_entry_eq, object_block_entry_hash)
13450 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13451 (use_blocks_for_decl_p, change_symbol_section): New functions.
13452 (get_variable_section): New function, split out from assemble_variable.
13453 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13454 use_blocks_for_decl_p say so. Use change_symbol_section if the
13455 symbol has already been created.
13456 (assemble_variable_contents): New function, split out from...
13457 (assemble_variable): ...here. Don't output any code for
13458 block symbols; just pass them to place_block_symbol.
13459 Use get_variable_section and assemble_variable_contents.
13460 (get_constant_alignment, get_constant_section, get_constant_size): New
13461 functions, split from output_constant_def_contents.
13462 (build_constant_desc): Create a block symbol if use_object_blocks_p
13463 says so. Or into SYMBOL_REF_FLAGS.
13464 (assemble_constant_contents): New function, split from...
13465 (output_constant_def_contents): ...here. Don't output any code
13466 for block symbols; just pass them to place_section_symbol.
13467 Use get_constant_section and get_constant_alignment.
13468 (force_const_mem): Create a block symbol if use_object_blocks_p and
13469 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13470 (output_constant_pool_1): Add an explicit alignment argument.
13471 Don't switch sections here.
13472 (output_constant_pool): Adjust call to output_constant_pool_1.
13473 Switch sections here instead. Don't output anything for block symbols;
13474 just pass them to place_block_symbol.
13475 (init_varasm_once): Initialize object_block_htab.
13476 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13477 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13478 (place_block_symbol, get_section_anchor, output_object_block)
13479 (output_object_block_htab, output_object_blocks): New functions.
13480 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13481 (TARGET_ASM_OUT): Include it.
13482 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13483 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13484 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13485 (TARGET_INITIALIZER): Include them.
13486 * rtl.c (rtl_check_failed_block_symbol): New function.
13487 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13488 (block_symbol, object_block): New structures.
13489 (rtx_def): Add a block_symbol field to the union.
13490 (BLOCK_SYMBOL_CHECK): New macro.
13491 (rtl_check_failed_block_symbol): Declare.
13492 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13493 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13494 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13495 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13496 * output.h (output_section_symbols): Declare.
13497 (object_block): Name structure.
13498 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13499 (default_use_anchors_for_symbol_p): Declare.
13500 * Makefile.in (RTL_BASE_H): Add vec.h.
13501 (explow.o): Depend on output.h.
13502 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13503 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13504 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13505 (rs6000_use_blocks_for_constant_p): New function.
13507 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13509 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13511 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13514 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13517 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13519 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13523 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13525 PR middle-end/26334
13526 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13527 instead of DECL_REGISTER.
13529 2006-02-18 Olivier Hainque <hainque@adacore.com>
13532 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13534 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13537 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13538 * opth-gen.awk: Handle Var and InverseMask together.
13539 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13540 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13541 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13542 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13544 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13545 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13546 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13547 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13548 LINUX_DYNAMIC_LINKER): Define.
13549 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13550 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13552 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13553 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13554 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13556 (TARGET_C99_FUNCTIONS): Don't define.
13557 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13558 GLIBC_DYNAMIC_LINKER.
13559 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13560 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13561 GLIBC_DYNAMIC_LINKER64): Define.
13562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13563 LINUX_DYNAMIC_LINKER64.
13564 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13566 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13568 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13570 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13571 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13572 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13574 and LINUX_DYNAMIC_LINKER32.
13575 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13577 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13579 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13581 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13582 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13583 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13584 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13585 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13586 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13587 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13588 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13589 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13590 LINUX_DYNAMIC_LINKER): Define.
13591 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13592 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13593 GLIBC_DYNAMIC_LINKER64): Define.
13594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13595 LINUX_DYNAMIC_LINKER64.
13596 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13597 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13598 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13599 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13600 LINUX_DYNAMIC_LINKER): Define.
13601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13602 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13603 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13604 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13605 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13606 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13607 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13608 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13609 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13610 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13612 * doc/invoke.texi (-muclibc): Remove caveat about supported
13615 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13617 * doc/cpp.texi (__TIMESTAMP__): Document.
13619 2006-02-17 Roger Sayle <roger@eyesopen.com>
13621 PR middle-end/25600
13622 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13623 C is one less than the width of X (and related transformations).
13624 * simplify-rtx.c (simplify_unary_operation_1): Transform
13625 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13626 depending on STORE_FLAG_VALUE, were C is one less then the
13629 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13631 Fix PR tree-optimization/26341
13632 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13633 about NAME_MEMORY_TAG's.
13635 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13638 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13639 with hardware float support, and software float support. Add fcpy
13640 alternative to hardware patterns. Add alternatives to copy between
13641 general and floating-point registers to the 32-bit pattern.
13642 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13643 secondary reload to load a QI or HI mode constant into a floating
13645 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13646 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13648 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13651 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13653 (load_macho_picbase_di): Likewise.
13655 2006-02-16 Jeff Law <law@redhat.com>
13657 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13658 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13659 (ssa_name_nonzero_p): Likewise.
13660 (get_value_range): Return NULL if VRP is not running.
13661 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13662 VRP routines do not discover a range.
13663 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13664 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13665 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13666 (tree_expr_nonnegative_p): Similarly.
13667 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13668 (restore_nonzero_vars_to_original_value): Remove.
13669 (unsafe_associative_fp_binop): Remove.
13670 (tree_ssa_dominator_optimize): Remove initialization and
13671 finalization of nonzero_vars and nonzero_vars_stack.
13672 (dom_opt_initialize_block): No longer push marker on
13673 nonzero_vars_stack.
13674 (dom_opt_finalize_block): No longer call
13675 restore_nonzero_vars_to_original_value.
13676 (record_equivalences_from_phis): No longer look for
13677 nonzero PHI arguments.
13678 (cprop_into_successor_phis): No longer propagate nonzero
13679 property into PHI arguments. Lose unused argument. Caller
13681 (record_equivalences_from_stmt): No longer record nonzero
13682 values for SSA_NAMEs.
13683 (lookup_avail_expr): No longer use nonzero_vars.
13685 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13686 for sizetype when sizetype is unsigned.
13688 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13690 PR rtl-optimization/25603
13691 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13692 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13693 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13694 with new meaning of SETS.
13696 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13701 * config/linux.opt: New file.
13702 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13703 LINUX_DYNAMIC_LINKER): Define.
13704 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13705 * config.gcc (*-*-linux*): Define extra_options.
13706 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13707 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13708 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13709 GLIBC_DYNAMIC_LINKER.
13710 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13711 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13712 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13713 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13714 * doc/invoke.texi (GNU/Linux Options): New section.
13716 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13718 * config/sparc/sparc.md (setjmp): Rewrite.
13719 (setjmp_32): Delete.
13720 (setjmp_64): Likewise.
13722 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13724 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13727 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13729 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13732 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13734 PR rtl-optimization/26296
13735 * Makefile.in (loop-invariant.c): Add except.h dependency.
13736 * loop-invariant.c: Include except.h.
13737 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13739 2005-02-16 Paul Brook <paul@codesourcery.com>
13741 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13744 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13746 PR rtl-optimization/25636
13747 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13748 when deciding whether an insn is an initializing insn.
13750 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13752 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13753 (tree_code_size): Ditto.
13754 * tree.h (struct tree_memory_tag): Remove parent_var.
13755 (struct tree_struct_field_tag): New.
13758 (union tree_node): Add sft member.
13759 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13761 (create_sft): Add size and offset argument, set SFT_OFFSET and
13763 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13764 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13765 * tree-flow-inline.h (get_subvar_at): Update for
13766 SFT_OFFSET/SFT_SIZE.
13767 (var_can_have_subvars): Ditto.
13768 (overlap_subvar): Ditto.
13769 * print-tree.c (print_node): Print out interesting things for
13771 * tree-flow.h (struct subvar): Remove offset and size members.
13772 * tree-ssa-operands.c (get_expr_operands): Update for
13773 get_indirect_ref_operands changes.
13774 (get_indirect_ref_operands): Call add_virtual_operand instead of
13775 add_stmt_operand. Only recurse on base var if requested.
13776 (access_can_touch_variable): New function.
13777 (add_stmt_operand): Split virtual operand handling into ...
13778 (add_virtual_operand): Here. Add offset, size, and for_clobber
13779 arguments. Prune alias sets.
13780 (add_call_clobber_ops): Call add_virtual_operand.
13782 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13784 PR middle-end/26300
13785 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13787 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13788 than TREE_CODE as index into omp_clause_num_ops array.
13790 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13792 PR rtl-optimization/26184
13793 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13795 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13796 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13797 must_precede, must_follow and tobe_scheduled.
13800 * opts.c (common_handle_option): Free new_option pointer.
13801 * df-core.c (df_analyze): Free postorder pointer.
13803 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13805 * Makefile.in: Fix the examples about the use of stamps
13807 2006-02-15 Michael Matz <matz@suse.de>
13809 PR middle-end/22275
13811 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13812 influenced by maximum_field_alignment or DECL_PACKED.
13813 (update_alignment_for_field): Ditto.
13814 (place_field): Ditto.
13815 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13818 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13820 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13821 (debug_flow_info): Pass it.
13822 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13823 * bb-reorder.c (reorder_basic_blocks): Likewise.
13824 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13825 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13826 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13827 * gcse.c (gcse_main, bypass_jumps): Likewise.
13828 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13829 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13830 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13831 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13832 * rtl.h (dump_flow_info): Adjust prototype.
13833 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13834 * var-tracking.c (variable_tracking_main): Likewise.
13835 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13836 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13839 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13841 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13844 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13846 PR tree-optimization/26209
13847 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13848 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13850 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13852 2006-02-14 Roger Sayle <roger@eyesopen.com>
13854 PR middle-end/23670
13855 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13856 (X,Y) and the corresponding symmetry related transformations.
13857 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13858 (X,Y) and its symmetry related transformations.
13860 2006-02-14 Roger Sayle <roger@eyesopen.com>
13862 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13865 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13867 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13869 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13872 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13873 support COMDAT group.
13874 * configure: Regenerate.
13876 2006-02-14 Roger Sayle <roger@eyesopen.com>
13878 PR middle-end/26279
13879 PR middle-end/26280
13880 PR middle-end/26283
13881 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13883 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13885 Fix PR tree-optimization/26260
13887 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13889 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13890 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13891 * tree-ssa-structalias.c (create_variable_info_for): Use
13892 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13894 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13896 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13898 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13899 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13900 of the ending condition.
13901 * tree-ssa-loop-manip.c: Include params.h.
13902 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13903 tree_unroll_loop): New functions.
13904 * tree-pass.h (pass_loop_prefetch): Declare.
13905 * loop.c (rest_of_handle_loop_optimize): Test for
13906 -fprefetch-loop-arrays-rtl.
13907 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13908 * timevar.def (TV_TREE_PREFETCH): New timevar.
13909 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13910 pass_loop_prefetch): New.
13911 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13912 (cleanup_tree_cfg_loop): Call scev_reset.
13913 * common.opt (fprefetch-loop-arrays-rtl): Add.
13914 * tree-ssa-loop-prefetch.c: New file.
13915 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13916 (new_temp_expr_table): Initialize expr_vars.
13917 (free_temp_expr_table): Cleanup expr_vars.
13918 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13919 expressions from being merged into one.
13920 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13921 (struct tree_niter_desc): Add control, bound and cmp fields.
13922 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13924 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13925 (tree-cfgcleanup.o): Add SCEV_H dependency.
13926 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13927 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13929 2006-02-14 Richard Guenther <rguenther@suse.de>
13931 PR tree-optimization/26258
13932 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13933 in PHI argument processing.
13935 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13937 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13938 new expression in the requested machine mode.
13940 2006-02-13 Roger Sayle <roger@eyesopen.com>
13942 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13943 directly, instead let do_compare_rtx_and_jump handle this for us.
13944 * expr.c (expand_expr_real_1): Likewise.
13945 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13946 before do_jump_by_parts_greater.
13947 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13948 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13950 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13952 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13954 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13956 PR rtl-optimization/26235
13957 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13958 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13961 2006-02-13 Jeff Law <law@redhat.com>
13963 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13966 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13968 PR middle-end/26092
13969 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13970 twice if decl is a builtin. When trying again, call get_callee_fndecl
13971 first to verify it is still a builtin.
13973 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13975 * dwarf2out.c (base_type_die): Don't add AT_name here.
13976 (subrange_type_die): Don't add AT_name here.
13977 (modified_type_die): Rearrange code flow. Do add AT_name here.
13979 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13981 PR rtl-optimization/26247
13982 PR rtl-optimization/26248
13983 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13985 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13987 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13988 * config/fixtfdi.c: Likewise.
13989 * config/fixunstfdi.c: Likewise.
13990 * config/floatditf.c: Likewise.
13992 2006-02-13 Roger Sayle <roger@eyesopen.com>
13994 PR middle-end/24427
13995 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13996 into (X,C2) if C1 is a subset of the bits of C2. Transform
13997 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13999 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14001 2006-02-13 Josh Conner <jconner@apple.com>
14004 * varasm.c (function_section): Check for section name before
14005 calling select_section on targets that define
14006 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14007 unlikely_text_section instead of hot_function_section if
14008 first_function_block_is_cold.
14010 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14012 PR middle-end/25335
14013 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14015 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14017 PR rtl-optimization/26222
14018 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14019 after tree->rtl expansion.
14020 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14021 before passing it to emit_move_insn.
14023 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14025 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14027 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14028 Clarify documentation.
14029 * c-common.h (warn_write_strings): Remove.
14030 * c-common.c (warn_write_strings): Likewise.
14031 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14034 2006-02-12 Roger Sayle <roger@eyesopen.com>
14036 PR middle-end/25724
14037 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14038 (do_jump_parts_zero_rtx): New function renamed from
14039 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14040 (do_jump_parts_equality_rtx): New function split out from
14041 do_jump_parts_equality. Old implementation renamed as above.
14042 Call do_jump_parts_zero_rtx if either operand is zero.
14043 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14044 do all of the heavy lifting.
14045 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14046 calling either do_jump_by_parts_greater_rtx or
14047 do_jump_by_parts_equality_rtx.
14048 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14049 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14050 moved to do_compare_rtx_and_jump, call it directly.
14051 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14052 mode argument. Call do_compare_rtx_and_jump.
14053 (emit_case_nodes): Update calls to do_jump_if_equal.
14055 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14057 PR rtl-optimization/26225
14058 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14060 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14062 PR rtl-optimization/26232
14063 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14065 2006-02-11 Jason Merrill <jason@redhat.com>
14068 * tree-inline.c (declare_return_variable): Just don't use the
14069 modify target if it's a gimple complex reg and the return slot
14072 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14074 * doc/contrib.texi: Update my entry.
14076 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14078 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14080 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14082 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14085 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14087 * doc/invoke.texi (-floop-optimize2): Removed.
14088 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14089 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14090 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14091 * common.opt (floop-optimize2): Removed.
14092 (fmove-loop-invariants): Enabled by default.
14094 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14096 * tree-if-conv.c (combine_blocks): Free the result of
14097 get_loop_exit_edges.
14099 2006-02-10 Jeff Law <law@redhat.com>
14101 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14103 PR tree-optimization/26213
14104 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14105 loop trying to follow SSA_NAME_VALUE chains.
14107 2006-02-10 Richard Guenther <rguenther@suse.de>
14109 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14110 deal with structures that end in implicitly variable sized arrays.
14112 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14114 PR rtl-optimization/24762
14115 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14118 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14120 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14121 (struct ivopts_data): Add regs_used field.
14122 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14123 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14124 instead of loop_data->regs_used;
14125 (free_loop_data): Do not free aux fields for loops.
14126 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14127 and tree_ssa_iv_optimize_finalize.
14129 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14131 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14133 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14136 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14137 computing the effective result type.
14139 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14141 PR inline-asm/16194
14142 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14143 (tree_overlaps_hard_reg_set): Declare.
14144 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14145 type and signature to match function type expected by walk_tree.
14146 (tree_overlaps_hard_reg_set): New function.
14147 (decl_conflicts_with_clobbers_p): Rename to:
14148 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14149 Use tree_overlaps_hard_reg_set. Changed caller.
14150 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14151 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14152 * cris.c (cris_md_asm_clobbers): Likewise.
14154 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14156 * reload1.c (emit_input_reload_insns): Delete code that tries to
14157 inherit using find_equiv_reg.
14159 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14161 * c-common.h (flag_const_strings): Don't declare.
14162 * c-common.c (flag_const_strings): Remove.
14163 * c.opt (fconst_strings): Remove.
14164 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14165 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14166 (c_common_init_options): Don't set flag_const_strings.
14167 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14169 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14171 * arm.md (tlobits_cbranch): New pattern.
14172 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14173 testing a single bit.
14175 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14178 * tree-ssa-pre.c (create_component_ref_by_pieces):
14179 Handle RETURN_DECL like VAR_DECL.
14181 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14183 PR middle-end/26134
14184 * fold-const.c (fold_indirect_ref_1): Fold
14185 "*(foo *)&complexfoo" to "__real__ complexfoo"
14186 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14188 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14190 * tree-flow-inline.h (var_can_have_subvars):
14191 Volatile variables should not have subvariables.
14193 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14196 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14197 multiplying unsigned values.
14200 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14202 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14204 2006-02-08 Jason Merrill <jason@redhat.com>
14207 * tree.def: Elaborate on difference from MODIFY_EXPR.
14208 * doc/c-tree.texi (INIT_EXPR): Likewise.
14209 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14210 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14211 (gimplify_target_expr): Likewise.
14212 (gimplify_cond_expr): Remove target handling.
14213 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14214 (gimplify_expr): Clobber it here.
14215 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14216 Do return slot optimization if we have an INIT_EXPR.
14219 * tree-inline.c (declare_return_variable): Also clear
14220 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14223 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14225 PR middle-end/22439
14226 * gimplify.c (gimplify_one_sizepos): Fix typo.
14228 2006-02-08 Jeff Law <law@redhat.com>
14230 PR tree-optimization/21417
14231 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14232 across a backedge if the control statement at the end of the
14233 block is data dependent on other statements in the same block.
14234 (record_temporary_equivalences_from_stmts): Remove over-conservative
14235 test for threading across backedges.
14237 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14238 control statement, handle all three special cases in the same
14239 manner as they all have the same desired solution. No longer
14240 special case edge flag updating when the post dominator is
14243 2006-02-08 Roger Sayle <roger@eyesopen.com>
14245 * tree.def (CHAR_TYPE): Remove.
14246 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14247 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14248 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14249 (gen_string_type_die): Delete unreachable function.
14251 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14252 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14253 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14254 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14255 * builtins.c (type_to_class): Likewise.
14256 * fold-const.c (fold_convert, build_range_check,
14257 merge_ranges): Likewise.
14258 * expr.c (count_type_elements): Likewise.
14259 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14260 * stor-layout.c (layout_type): Likewise.
14261 * ipa-type-escape.c (type_to_consider): Likewise.
14262 * gimplify.c (omp_firstprivatize_type_sizes,
14263 gimplify_type_sizes): Likewise.
14264 * explow.c (promote_mode): Likewise.
14265 * tree-sra.c (is_sra_scalar_type): Likewise.
14266 * varasm.c (output_constant): Likewise.
14267 * tree-inline.c (remap_type_1): Likewise.
14268 * convert.c (convert_to_pointer, convert_to_real,
14269 convert_to_integer, convert_to_complex): Likewise.
14271 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14273 * df-scan.c (df_def_record_1): A set destination may
14274 be a parallel regardless of mode.
14276 2006-02-08 Roger Sayle <roger@eyesopen.com>
14279 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14280 * config/mips/_tilib.c: Remove.
14281 * config/fixtfdi.c: New libgcc source file.
14282 * config/fixunstfdi.c: New source file.
14283 * config/floatditf.c: New source file.
14284 * config/floatunditf.c: New souce file.
14285 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14286 files above instead of config/mips/_tilib.c.
14287 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14289 2006-02-08 Jeff Law <law@redhat.com>
14291 PR tree-optimization/26169
14292 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14295 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14297 * df.h (DF_REG_SIZE): Return the length of the initialized
14300 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14302 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14303 __muldf3): Return a correctly signed zero.
14305 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14307 * passes.c (register_one_dump_file): Accept the current properties
14308 instead of pass number. Adjust call to dump_register. Remove
14310 (register_dump_files): Now a wrapper around...
14311 (register_dump_files_1): ... this one. Do not modify the pass
14313 (next_pass_1): Cosmetic fix.
14314 (execute_todo): Keep second parameter only. Use curr_properties
14315 instead of fetching it from the pass structure. Check and set
14317 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14318 instead of fetching it from the pass structure. Fix calls to
14319 execute_todo. Update curr_properties and initialize .vcg RTL dump
14320 after running the pass. Reset last_verified.
14321 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14323 (FIRST_AUTO_NUMBERED_DUMP): New.
14324 (dump_register): Remove "num" parameter, assign it within the
14326 (get_dump_file_name): Modify template for dumps.
14327 * tree-dump.h (dump_register): Adjust prototype.
14328 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14329 (PROP_trees): Add PROP_gimple_lomp.
14330 (TODO_set_props): New.
14331 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14332 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14333 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14335 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14337 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14338 (sparc64-*-linux*): Likewise.
14339 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14340 * config/sparc/t-linux: New file.
14341 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14342 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14343 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14344 -m32 -mlong-double-128.
14346 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14347 * config/alpha/t-linux: New file.
14348 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14350 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14351 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14352 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14353 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14354 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14355 (CPP_ARCH32_SPEC): Remove.
14357 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14359 PR tree-optimization/26145
14360 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14363 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14366 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14367 >= 240000 when generating code for SOM runtime.
14368 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14369 to $$dyncall when generating code for SOM runtime..
14371 2006-02-07 Dirk Mueller <dmueller@suse.com>
14374 * doc/invoke.texi (-Wsequence-point): Update documentation
14375 that -Wsequence-point is implemented for C++ as well.
14377 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14379 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14380 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14381 (LIB_SPEC): Likewise.
14382 * doc/invoke.texi (SPARC options): Document -pthread.
14384 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14386 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14389 2006-02-07 Roger Sayle <roger@eyesopen.com>
14391 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14392 Correct comment describing BOOLEAN_TYPE.
14394 2006-02-07 Dirk Mueller <dmueller@suse.com>
14396 * c.opt: C++ frontend supports -Wdiv-by-zero.
14397 * c-opts.c (c_common_handle_option): Remove dead case.
14399 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14401 * configure.ac (TLS assembler check): Do not enable TLS by
14402 default on SPARC/Solaris before version 10.
14403 * configure: Regenerate.
14405 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14407 * doc/invoke.texi (xl-compat): Document conversion and support
14410 2006-02-07 Jeff Law <law@redhat.com>
14412 * tree-vrp.c (find_conditional_asserts): Update comments.
14413 (simplify_stmt_for_jump_threading): New.
14414 (identify_jump_threads, finalize_jump_threads): New.
14415 (vrp_finalize): Call identify_jump_threads.
14416 (execute_vrp): Call finalize_jump_threads.
14417 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14418 (vrp_element, vrp_data, vrp_element_p): Remove.
14419 (vrp_hash_elt, vrp_variables_stack): Remove.
14420 (vrp_hash, vrp_eq, record_range): Remove.
14421 (simplify_cond_and_lookup_avail_expr): Remove.
14422 (extract_range_from_cond): Remove.
14423 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14424 (simplify_stmt_for_jump_threading): New.
14425 (dom_thread_across_edge): New wrapper.
14426 (tree_ssa_dominator_optimize): No longer initialize or
14427 finalize any of the VRP datastructures. Remove iteration
14428 step and simplify as a result of removal of iteration step.
14429 (pass_dominator): Perform a cfg cleanup after DOM.
14430 (dom_opt_finalize_block): Use the new common routines
14431 for threading jumps. Simplify stack management slightly.
14432 No longer need to unwind VRP state.
14433 (record_equivalences_from_incoming_edge): No longer record
14435 (eliminate_redundant_computations): No longer call
14436 simplify_cond_and_lookup_avail_expr.
14437 * tree-flow.h (potentially_threadable_block): Prototype.
14438 (thread_across_edge): Likewise.
14439 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14440 (tree-ssa-threadedge.o): Add dependencies.
14441 * tree-ssa-threadedge.c: New file.
14442 * passes.c (init_optimization_passes): Merge PHIs before
14443 calling VRP. Run VRP again late in the SSA optimization pipeline.
14445 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14447 * df-core.c (df_set_blocks): Do not dereference function pointers.
14448 (df_finish1): Likewise.
14449 (df_hybrid_search_forward): Likewise.
14450 (df_hybrid_search_backward): Likewise.
14451 (df_iterative_dataflow): Likewise.
14452 (df_analyze_problem): Likewise.
14453 (df_compact_blocks): Likewise.
14454 (df_dump): Likewise.
14455 * df-scan.c (df_rescan_blocks): Likewise.
14456 (df_record_entry_block_defs): Likewise.
14458 * genconditions.c (write_conditions): Guard the definition of
14459 'insn_conditions' with the check on GCC version.
14460 (write_writer): Guard the traversal 'insn_conditions' with
14461 the check on GCC version.
14463 2006-02-07 Richard Guenther <rguenther@suse.de>
14467 2006-01-30 Richard Guenther <rguenther@suse.de>
14469 * gimplify.c (gimplify_target_expr): Handle easy cases
14470 without creating a temporary.
14472 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14474 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14475 use of float in probability computations. Use edge probabilities
14476 in place of statically computed probabilities.
14477 (min_spec_prob): New static variable.
14478 (schedule_insns): Initialize it.
14479 (GET_SRC_PROB): Removed.
14480 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14482 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14485 * config/ia64/unwind-ia64.c: Revert last change.
14486 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14487 (INCOMING_FRAME_SP_OFFSET): Define.
14489 2006-02-06 Roger Sayle <roger@eyesopen.com>
14491 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14493 2006-02-07 Ben Elliston <bje@au.ibm.com>
14495 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14496 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14497 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14498 (ix86_return_in_memory): Handle TDmode.
14499 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14500 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14502 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14504 * reorg.c (dbr_schedule): Use dump_file instead of file.
14506 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14509 * config/ia64/predicates.md (extr_len_operand): New predicate.
14510 * config/ia64/ia64.md (extv): Tighten constraints.
14512 (*tbit_and_2): Ditto.
14513 (*tbit_and_3): Ditto.
14514 (*tbit_or_2): Ditto.
14515 (*tbit_or_3): Ditto.
14516 (*bit_zero): Ditto.
14519 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14522 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14524 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14526 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14527 loop_optimizer_init and loop_optimizer_finalize
14528 * tree-ssa-sink.c (execute_sink_code): Ditto.
14529 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14530 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14531 tree_ssa_loop_done): Ditto.
14532 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14533 * sched-ebb.c: Include output.h.
14534 (schedule_ebbs): Do not use dump argument.
14535 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14536 * loop.c (loop_dump_stream): Removed.
14537 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14539 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14540 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14541 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14542 loop_iterations, strength_reduce, record_biv, record_giv,
14543 final_giv_value, check_final_value, check_ext_dependent_givs,
14544 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14545 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14546 dump_file instead of loop_dump_stream.
14547 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14548 argument dump_file.
14549 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14551 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14552 * haifa-sched.c: Include output.h
14553 (schedule_insns, sched_init): Do not use dump argument.
14554 * mode-switching.c (optimize_mode_switching): Ditto.
14555 * modulo-sched.c (stats_file): Removed.
14556 (print_node_sched_params): Do not call argument dump_file.
14557 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14558 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14560 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14562 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14563 rtl_loop_init, rtl_loop_done): Ditto.
14564 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14565 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14567 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14568 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14569 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14570 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14571 * emit-rtl.c (renumber_insns): Ditto.
14572 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14573 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14574 * regclass.c (regclass): Ditto.
14575 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14576 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14577 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14578 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14580 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14581 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14583 * gcse.c (gcse_file, debug_stderr): Removed.
14584 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14585 rest_of_handle_gcse): Do not use dump argument.
14586 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14587 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14588 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14589 compute_code_hoist_vbeinout, compute_code_hoist_data,
14590 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14591 compute_store_table, build_store_vectors, insert_insn_start_bb,
14592 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14593 store_motion): Use dump_file instead of gcse_file.
14594 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14595 * profile.c (profile_dump_file): Removed.
14596 (branch_prob): Use dump_file instead of profile_dump_file.
14597 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14599 * tree-ssa-copy.c (dump_copy_of): Ditto.
14600 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14601 dump file to life_analysis.
14602 * bt-load.c (branch_target_load_optimize): Ditto.
14603 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14605 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14606 regclass, dbr_schedule): Declaration changed.
14607 * sched-int.h (sched_init): Declaration changed.
14608 * tree-profile.c (tree_profile_dump_file): Removed.
14609 (tree_profile_hooks): Removed profile_dump_file hook.
14610 * rtl-profile (rtl_profile_dump_file): Removed.
14611 (rtl_profile_hooks): emoved profile_dump_file hook.
14612 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14614 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14615 * tree-cfg.c (build_tree_cfg): Ditto.
14616 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14617 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14618 Declaration changed.
14619 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14620 life_analysis and schedule_insns.
14621 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14623 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14625 * config/mips/mips.c (mips_reorg): Ditto.
14626 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14629 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14631 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14632 (s390_mangle_fundamental_type): New.
14633 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14636 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14637 (alpha_mangle_fundamental_type): New.
14638 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14641 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14643 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14645 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14646 (sparc_mangle_fundamental_type): New.
14648 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14650 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14651 (s390x-*-linux*): Likewise.
14652 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14653 * config/s390/t-linux: New file.
14655 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14657 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14658 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14660 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14662 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14663 (ANTIC_SAFE_LOADS): New macro.
14664 (find_or_generate_expression): Add prototype.
14665 (set_contains_value): Allow null set for sake of not always having
14666 to allocate ANTIC_SAFE_LOADS.
14667 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14668 Allow COMPONENT_REF too.
14669 (valid_in_set): Allow COMPONENT_REF.
14670 Check ANTIC_SAFE_LOADS too.
14671 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14672 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14674 (can_PRE_operation): Add COMPONENT_REF.
14675 (create_component_ref_by_pieces): New function.
14676 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14677 (insert_aux): Move AGGREGATE_TYPE_P check here.
14678 (compute_avail): Set bb local stmt uids.
14679 (pass_pre): Use TODO_update_ssa_only_virtuals.
14681 2006-02-06 Ben Elliston <bje@au.ibm.com>
14683 * configure.ac: Unconditionally disable decimal float by default.
14684 * configure: Regenerate.
14686 2006-02-06 Ben Elliston <bje@au.ibm.com>
14688 * read-rtl.c (read_name): Terminate reading on EOF.
14690 2006-02-06 Ben Elliston <bje@au.ibm.com>
14692 * dfp.c (decimal_real_arithmetic): Change second argument type
14693 from int to enum tree_code. Do not always return true, but now
14694 return result of any call to decimal_do helper functions.
14695 * dfp.h (decimal_real_arithmetic): Update prototype.
14697 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14699 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14701 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14704 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14707 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14709 * tree-vrp.c (cfg_loops): Removed.
14710 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14711 Use current_loops instead of cfg_loops. Pass flags to
14712 loop_optimizer_init.
14713 * cfgloopmanip.c (fix_loop_structure): Update only available
14715 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14716 loop_optimizer_init.
14717 * modulo-sched.c (build_loops_structure): Removed.
14718 (sms_schedule): Use loop_optimizer_init.
14719 * loop-init.c (loop_optimizer_init): Use flags to determine
14720 which properties of loops to prepare.
14721 (rtl_loop_init): Pass flags to loop_optimizer_init.
14722 * tree-ssa-sink.c (execute_sink_code): Ditto.
14723 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14724 * tree-ssa-pre.c (init_pre): Ditto.
14725 * cfgloop.h (LOOPS_NORMAL): New.
14726 (loop_optimizer_init): Declaration changed.
14728 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14730 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14731 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14733 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14735 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14737 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14738 * pa/t-pa64: Delete quadlib.c rule.
14739 * pa/x-ada: Revert last change.
14740 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14742 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14744 PR rtl-optimization/26087
14745 * rtlanal.c (canonicalize_condition): Do not cross basic block
14748 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14751 * config/ia64/ia64.c: Include debug.h.
14752 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14753 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14754 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14755 (process_epilogue, process_set, process_for_unwind_directive):
14756 Output unwind info only if requested. Add CFA info if requested.
14757 Add new arguments as needed. Adjust callers.
14758 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14760 (DWARF2_FRAME_INFO): Define to zero.
14761 * config/ia64/unwind-ia64.c: Remove code that compensated for
14762 the CFA offset error fixed above.
14763 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14764 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14765 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14766 -funwind-tables and -fexceptions to enable frame info.
14767 (dwarf2out_frame_init): Define initial CFA even if
14768 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14769 DWARF2_UNWIND_INFO is nonzero, not just defined.
14770 (dwarf2out_frame_finish): Output non-EH call frame info only
14771 if DWARF2_FRAME_INFO is nonzero.
14772 (convert_cfa_to_loc_list,
14773 compute_frame_pointer_to_cfa_displacement): Define even if
14774 unwind info is not supported.
14775 (gen_subprogram_die): Use the above unconditionally. Remove
14776 legacy alternate code.
14777 * toplev.c (compile_file): Compile in call to
14778 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14779 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14781 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14782 Jakub Jelinek <jakub@redhat.com>
14784 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14785 IBM extended float format long double as "g" on powerpc*-linux.
14787 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14790 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14791 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14793 2006-02-03 Jason Merrill <jason@redhat.com>
14796 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14798 PR middle-end/25977
14799 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14800 on the return slot if it's an NRV.
14802 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14804 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14805 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14806 rewrite_use): Do not handle USE_OUTER.
14807 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14808 add_iv_outer_candidates, may_replace_final_value,
14809 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14810 (find_interesting_uses_op): Functionality of
14811 find_interesting_uses_outer_or_nonlin moved here.
14812 (find_interesting_uses_outside): Use find_interesting_uses_op.
14814 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14817 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14819 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14820 Ulrich Weigand <uweigand@de.ibm.com>
14823 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14824 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14825 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14826 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14828 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14829 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14830 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14831 Define secondary reloads for TFmode moves.
14832 (constant_modes): Add TFmode.
14833 (NR_C_MODES): Set to 8.
14834 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14836 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14837 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14838 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14839 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14840 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14841 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14842 (FPR mode macro): Add TFmode.
14843 (DSF mode macro): New.
14844 (<de>, <dee> mode attributes): Removed.
14845 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14846 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14847 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14848 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14849 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14850 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14851 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14852 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14853 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14854 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14855 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14856 "*negabs<mode>2", "sqrt<mode>2"):
14857 Changed <de> to <xde>. R constraint replaced by <Rf>.
14858 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14860 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14861 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14862 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14864 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14865 "extenddftf2", "extendsftf2"): New expanders.
14866 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14867 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14868 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14869 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14871 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14872 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14873 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14874 __floatditf): Add a GCC_4.1.0 symbol version tag.
14875 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14878 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14881 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14882 Use targetm.binds_local_p instead of TREE_PUBLIC.
14884 2006-02-02 Roger Sayle <roger@eyesopen.com>
14886 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14887 on INTEGER_TYPEs to indicate that it denotes a character type.
14888 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14889 signed_char_type_node, unsigned_char_type_node and char_type_node.
14890 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14891 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14892 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14894 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14895 Daniel Berlin <dberlin@dberlin.org>
14897 * tree-tailcall.c (arg_needs_copy_p): New function.
14898 (eliminate_tail_call): Use arg_needs_copy_p.
14899 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14900 (add_virtual_phis): New function.
14902 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14904 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14905 #ignore instead of #scratch for %g7 .register directive.
14907 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14909 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14912 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14914 * flow.c (calculate_global_regs_live): Assert that there aren't any
14917 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14919 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14920 what its name says.
14921 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14922 bsi_after_labels iterator.
14923 * tree-if-conv.c (find_phi_replacement_condition,
14924 replace_phi_with_cond_modify_expr): Likewise.
14925 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14926 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14928 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14930 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14932 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14935 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14936 array after growing it.
14938 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14940 PR middle-end/24901
14941 * fold-const.c (fold_checksum_tree): Change type of buf.
14943 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14945 * reload.c (push_secondary_reload): Initialize t_icode.
14947 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14949 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14950 -msoft-float -mlong-double-128 only issue a warning, but don't
14951 swich to DFmode long double.
14953 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14955 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14956 has a constant equivalent, iterate over equivalents for arg0,
14957 calling simplify_relational_operation and if there's a result
14958 cheaper than X, apply fold_rtx and return the result.
14960 2006-02-01 Jan Hubicka <jh@suse.cz>
14962 * opts.c (no_unit_at_a_time_default): New global variable.
14963 (decode_options): Use it.
14964 * opts.h (no_unit_at_a_time_default): Declare.
14966 2006-02-01 Paul Brook <paul@codesourcery.com>
14968 * function.c (assign_parm_setup_reg): Use function argument promotion
14970 * expr.c (expand_expr_real_1): Use function argument promotion rules
14973 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14975 * gcc.c (process_command): Change j to 'unsigned int'.
14977 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14979 PR middle-end/26001
14980 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14981 Use the corrected index for the character
14982 out of the string constant.
14984 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14986 * mode-switching.c (optimize_mode_switching): Fix size
14987 allocated for bb_info[n_entities].
14989 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14991 * gcc.c (main): Correct type that is allocated for
14992 explicit_link_files.
14994 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14996 * config/s390/s390.c (init_alignment_context): Set
14997 ALIAS_SET_MEMORY_BARRIER on the MEM.
14998 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15000 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15002 PR middle-end/25933
15003 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15005 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15008 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15010 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15011 * regrename.c: Ditto.
15012 * tree-ssa-loop-im.c: Ditto.
15013 * tree-dump.c: Ditto.
15014 * tree-complex.c: Ditto.
15015 * genrecog.c: Ditto.
15016 * tree-ssa-threadupdate.c: Ditto.
15018 * java/class.c: Ditto.
15019 * java/jcf-parse.c: Ditto.
15020 * java/resource.c: Ditto.
15021 * java/except.c: Ditto.
15022 * java/jvspec.c: Ditto.
15023 * java/jcf-write.c: Ditto.
15024 * java/jcf-path.c: Ditto.
15025 * java/gjavah.c: Ditto.
15026 * java/zextract.c: Ditto.
15027 * java/jcf-io.c: Ditto.
15028 * java/jcf.h: Ditto.
15029 * java/buffer.c: Ditto.
15030 * java/lang.c: Ditto.
15031 * java/parse-scan.y: Ditto.
15032 * java/lex.c: Ditto.
15033 * java/lex.h: Ditto.
15034 * cfgloopmanip.c: Ditto.
15035 * postreload-gcse.c: Ditto.
15036 * tree-ssa-loop-manip.c: Ditto.
15037 * postreload.c: Ditto.
15038 * tree-ssa-loop-ch.c: Ditto.
15041 * cppspec.c: Ditto.
15042 * diagnostic.c: Ditto.
15044 * genoutput.c: Ditto.
15046 * cfghooks.c: Ditto.
15047 * cfgloopanal.c: Ditto.
15048 * objc/objc-act.c: Ditto.
15050 * genextract.c: Ditto.
15051 * genautomata.c: Ditto.
15052 * pretty-print.c: Ditto.
15053 * genemit.c: Ditto.
15054 * cgraphunit.c: Ditto.
15056 * df-scan.c: Ditto.
15057 * haifa-sched.c: Ditto.
15058 * dominance.c: Ditto.
15060 * tree-ssa-loop-ivopts.c: Ditto.
15061 * df-core.c: Ditto.
15062 * mode-switching.c: Ditto.
15063 * modulo-sched.c: Ditto.
15065 * ipa-pure-const.c: Ditto.
15067 * fix-header.c: Ditto.
15069 * tree-stdarg.c: Ditto.
15070 * ipa-utils.c: Ditto.
15071 * loop-init.c: Ditto.
15072 * ipa-inline.c: Ditto.
15073 * cfganal.c: Ditto.
15075 * alloc-pool.c: Ditto.
15076 * dwarf2out.c: Ditto.
15078 * genattrtab.c: Ditto.
15079 * tree-ssa-loop-ivcanon.c: Ditto.
15080 * predict.c: Ditto.
15081 * timevar.c: Ditto.
15083 * fortran/gfortranspec.c: Ditto.
15084 * regmove.c: Ditto.
15085 * local-alloc.c: Ditto.
15086 * langhooks.c: Ditto.
15087 * function.c: Ditto.
15088 * tree-vectorizer.c: Ditto.
15090 * ipa-type-escape.c: Ditto.
15092 * tree-if-conv.c: Ditto.
15093 * profile.c: Ditto.
15095 * tree-data-ref.c: Ditto.
15096 * loop-unroll.c: Ditto.
15097 * treelang/treetree.c: Ditto.
15099 * bt-load.c: Ditto.
15100 * ggc-common.c: Ditto.
15102 * coverage.c: Ditto.
15104 * tree-cfgcleanup.c: Ditto.
15105 * tree-ssa-pre.c: Ditto.
15106 * cfgcleanup.c: Ditto.
15107 * loop-invariant.c: Ditto.
15108 * loop-iv.c: Ditto.
15109 * ipa-prop.c: Ditto.
15110 * print-tree.c: Ditto.
15111 * conflict.c: Ditto.
15112 * ggc-page.c: Ditto.
15113 * sched-deps.c: Ditto.
15114 * regclass.c: Ditto.
15115 * tree-object-size.c: Ditto.
15116 * combine.c: Ditto.
15117 * bb-reorder.c: Ditto.
15118 * resource.c: Ditto.
15119 * var-tracking.c: Ditto.
15120 * cfgloop.c: Ditto.
15121 * df-problems.c: Ditto.
15122 * reg-stack.c: Ditto.
15124 * gccspec.c: Ditto.
15125 * sched-rgn.c: Ditto.
15126 * tree-ssa-structalias.c: Ditto.
15127 * tree-ssa-reassoc.c: Ditto.
15128 * config/darwin-c.c: Ditto.
15129 * config/darwin.c: Ditto.
15130 * config/arm/arm.c: Ditto.
15132 * collect2.c: Ditto.
15133 * reload1.c: Ditto.
15135 2006-01-31 Nicolas Pitre <nico@cam.org>
15137 * arm.md (smaxsi3): Make aware of smax_m1.
15140 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15142 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15144 2006-01-31 Richard Guenther <rguenther@suse.de>
15146 * doc/invoke.texi (-msselibm): Document.
15147 * target.h (expand_library_builtin): New target hook.
15148 * builtins.c (expand_builtin): Use expand_library_builtin.
15149 (default_expand_library_builtin): New function.
15150 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15151 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15152 (link_gcc_math_spec): Declare.
15153 (static_specs): Add link_gcc_math_spec.
15154 * expr.h (default_expand_library_builtin): Declare.
15155 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15156 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15157 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15158 * config/i386/i386.opt (msselibm): New target option.
15159 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15160 (ix86_init_sse_abi_builtins): New function.
15161 (ix86_expand_library_builtin): Likewise.
15162 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15163 (override_options): Handle error conditions wrt -msselibm.
15164 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15165 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15166 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15169 2006-01-31 Richard Guenther <rguenther@suse.de>
15170 Paolo Bonzini <bonzini@gnu.org>
15172 * doc/install.texi (--disable-libgcc-math): Document.
15174 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15176 * expr.h (expand_normal): new inline function.
15177 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15178 * dojump.c: use it.
15179 * dwarf2out.c: use it.
15182 * expmed.c: use it.
15183 * except.c: use it.
15184 * config/sparc/sparc.c: use it.
15185 * config/i386/i386.c: use it.
15186 * config/rs6000/rs6000.c: use it.
15187 * config/arm/arm.c: use it.
15188 * config/mips/mips.c: use it.
15189 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15191 2006-01-30 Roger Sayle <roger@eyesopen.com>
15193 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15194 argv to the appropriate type.
15196 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15198 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15201 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15204 * config/s390/s390.c (struct machine_function): New flag
15205 decomposed_literal_pool_addresses_ok_p.
15206 (s390_reorg): Set it before final stage of literal pool transforms.
15207 (s390_decompose_address): Only accept displacements of the form
15208 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15210 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15212 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15213 the comparison routine return.
15215 2006-01-30 Michael Matz <matz@suse.de>
15217 * global.c (find_reg): Only evict for global regs.
15218 Take n_refs into account and dump more info.
15220 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15223 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15224 (pragma_trap, pragma_nosave_low_regs): Likewise.
15225 (current_function_anonymous_args): Likewise.
15226 (sh_deferred_function_attributes): New variable.
15227 (sh_deferred_function_attributes_tail): Likewise.
15228 (print_operand): For '@', look up trap_exit attribute.
15229 (calc_live_regs): Look up trapa_handler attribute. For trapa
15230 handlers, save/restore fpscr, but don't do any other
15231 interrupt-specific saves.
15232 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15233 Fix check for partially saved registers to check for SHmedia.
15234 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15235 (sh_output_function_epilogue): Don't clear any of the removed
15237 (sh_insert_attributes): Don't check pragma_interrupt.
15238 Insert deferred attributes. Check that interrupt attribute is
15239 present for other attributes that require its presence.
15240 (sh_attribute_table): Add new attributes trapa_handler and
15242 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15243 Don't check for pragma_interrupt. Don't store argument.
15244 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15245 (sh_deferred_function_attributes): Declare.
15246 (sh_deferred_function_attributes_tail): Likewise.
15247 * sh.md (sp_switch_1): Add operand. Change generator caller.
15248 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15249 (*return_i): Don't use when trap_exit attribute is in effect.
15250 (*return_trapa): New insn pattern.
15251 * sh-c.c: New file.
15252 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15253 setting c_target_objs and cxx_target_objs.
15254 * t-sh: Add rule for sh-c.o.
15256 2006-01-30 Richard Guenther <rguenther@suse.de>
15259 * gimplify.c (gimplify_target_expr): Handle easy cases
15260 without creating a temporary.
15262 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15264 * vec.h (safe_grow): Remove duplicated line.
15266 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15269 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15270 (expand_omp): ... here.
15271 (expand_omp_parallel): Only remove barriers for combined
15272 parallel+workshare constructs.
15274 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15278 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15279 * tree.c (build_qualified_type): Chain the new type to the original
15280 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15281 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15282 (build_pointer_type_for_mode): Only return unqualified types.
15283 (build_reference_type_for_mode): Likewise.
15285 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15287 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15288 * Makefile.in (CXX_COMPAT_WARN): Define.
15289 * configure: Regenerate.
15291 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15294 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15297 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15299 * toplev.c: Fix thinko.
15301 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15302 Marcin Dalecki <martin@dalecki.de>
15304 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15305 (push_srcloc): Use XNEW.
15306 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15308 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15310 * df-core.c (df_set_blocks): Deleted all variable.
15312 2006-01-28 Ian Lance Taylor <ian@airs.com>
15314 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15315 cgraph_output_pending_asms.
15317 2006-01-28 Zack Weinberg <zackw@panix.com>
15319 * c.opt: Add -W(no-)overlength-strings.
15320 * doc/invoke.texi: Document it.
15321 * c-opts.c (c_common_handle_option): -pedantic implies
15322 -Woverlength-strings, if not explicitly disabled already.
15323 (c_common_post_options): -Woverlength-strings defaults to off, and
15324 is always off for C++.
15325 * c-common.c (fix_string_type): Issue warning about strings longer
15326 than is portable only if warn_overlength_strings. Rearrange code
15327 a little for clarity.
15328 * configure.in: Check for -Wno-overlength-strings as well before
15329 enabling -pedantic in stage 1.
15330 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15331 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15333 * genconditions.c (write_header, write_one_condition)
15334 (write_conditions, write_writer): Consolidate very long strings
15335 that were broken up to fit in C89 portable limit. Don't use
15336 printf when fputs will do.
15338 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15340 * combine.c (simplify_comparison <AND>): Check
15341 TRULY_NOOP_TRUNCATION before start using a subreg.
15343 * config/mips/mips.md (*branch_zero<mode>,
15344 *branch_zero<mode>_inverted, *branch_equality<mode>,
15345 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15346 Remove mode check from comparisons.
15348 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15350 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15352 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15354 * expmed.c (const_mult_add_overflow_p): Remove.
15355 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15357 * recog.c (validate_replace_rtx_subexp): Remove.
15358 * recog.h: Remove the prototype for
15359 validate_replace_rtx_subexp.
15361 * integrate.h: Remove the prototype for
15362 copy_decl_for_inlining.
15363 * rtl.h: Remove the prototype for mark_constant_function.
15364 * tree-vectorizer.h: Remove the prototype for
15365 vect_strip_conversion.
15367 * modulo-sched.c (create_partial_schedule,
15368 free_partial_schedule, reset_partial_schedule): Make them
15371 * hooks.c (hook_bool_rtx_int_false): Remove.
15372 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15374 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15376 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15377 and -mlong-double-128 are incompatible.
15378 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15379 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15380 (TARGET_LIBGCC2_CFLAGS): Define.
15381 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15382 (TARGET_LIBGCC2_CFLAGS): Same.
15383 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15385 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15388 * c-typeck.c (build_binary_op): Perform implicit casts of
15389 operands before shortening them.
15391 * cfgloopmanip.c (split_loop_bb): Remove.
15392 * cfgloop.h: Remove the prototype for split_loop_bb.
15394 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15395 * cfgloop.h: Remove the prototype for
15396 flow_loop_outside_edge_p.
15398 * emit-rtl.c (init_virtual_regs): Make it static.
15399 * function.h: Remove the prototype for init_virtual_regs.
15401 * recog.c (peephole2_optimize): Make it static.
15402 * recog.h: Remove the prototype for peephole2_optimize.
15404 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15406 * df-scan.c (df_record_entry_block_defs): Check if
15407 INCOMING_RETURN_ADDR_RTX is defined.
15409 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15410 Kenneth Zadeck <zadeck@naturalbridge.com>
15412 PR rtl-optimization/24762
15413 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15414 * targhooks.c (hook_void_bitmap): New hook prototype.
15415 * targhoohs.h (hook_void_bitmap): Ditto.
15416 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15417 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15418 * target.h (live_on_entry): New function pointer.
15419 * df-scan.c (df_all_hard_regs): Removed.
15420 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15421 (df_scan_free_internal): Added df->entry_block_defs.
15422 (df_scan_alloc): Ditto.
15423 (df_scan_dump): Ditto.
15424 (df_uses_record): Plumbed flag field properly thru calls.
15425 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15426 This part fixes PR24762.
15427 (df_bb_refs_record): Added code to make the frame and arg
15428 pointers live in EH blocks.
15429 (df_refs_record): Added call to df_record_entry_block_defs.
15430 (df_record_entry_block_defs): New function.
15431 * df-core.c: Added comments to describe new artifical defs.
15432 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15433 (entry_block_defs): New field in struct df.
15434 (df_all_hard_regs): Deleted.
15435 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15436 * df-problems.c (df_ru_bb_local_compute_process_def):
15437 Added code to handle artifical defs in the entry to a function.
15438 (df_ru_bb_local_compute): Ditto.
15439 (df_rd_bb_local_compute_process_def): Ditto.
15440 (df_rd_bb_local_compute): Ditto.
15441 (df_lr_bb_local_compute): Ditto.
15442 (df_ur_bb_local_compute): Ditto.
15443 (df_urec_bb_local_compute): Ditto.
15444 (df_chain_create_bb): Ditto.
15445 (df_ur_local_finalize): Removed entry.
15446 (df_urec_init): Ditto.
15447 (df_urec_local_finalize): Ditto.
15448 (df_ri_bb_compute): Added detection of last use of pseudos.
15449 * Makefile.in (df-scan.o): Updated dependencies.
15450 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15451 * config/mips/mips.c (mips_set_live_on_entry): Added.
15452 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15454 * dce.c (marked_insn_p): Added code to handle artifical defs.
15456 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15458 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15460 (_mm_cvtsi128_si64): Likewise.
15461 (_mm_cvtsd_si64): Likewise.
15462 (_mm_cvttsd_si64): Likewise.
15463 (_mm_cvtsi64_sd): Likewise.
15464 (_mm_cvtsi64_si128): Likewise.
15465 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15466 (_mm_cvtsi64_m64): Likewise.
15467 (_m_to_int64): Likewise.
15468 (_mm_cvtm64_si64): Likewise.
15469 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15470 (_mm_cvttss_si64): Likewise.
15471 (_mm_cvtsi64_ss): Likewise.
15472 (_mm_cvtss_f32): Likewise.
15474 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15476 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15477 for pragma redefine_extname.
15479 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15482 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15483 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15484 -mno-minimal-toc to previous content.
15485 (bispecs): Remove goal.
15486 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15487 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15488 compatibility aliases on powerpc-*-*gnu*.
15489 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15490 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15491 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15492 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15493 (ldblspecs): New goal.
15494 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15495 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15497 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15498 L_sf_to_tf or L_df_to_tf is defined.
15500 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15501 Alan Modra <amodra@bigpond.net.au>
15504 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15505 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15506 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15507 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15508 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15509 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15510 (rs6000_override_options): Initialize rs6000_ieeequad.
15511 Initialize TFmode format to ibm_extended_format if not
15513 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15515 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15516 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15517 (function_arg_advance): IBM long double passed in two FPRs, not
15519 (function_arg): IBM long double passed in FPRs.
15520 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15521 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15522 Only multireg GPR aligned.
15523 (rs6000_init_libfuncs): Enable IBM long double functions if not
15525 (rs6000_generate_compare): Use IBM long double compare if not
15527 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15528 (TARGET_IEEEQUAD): Define.
15529 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15530 not TARGET_IEEEQUAD.
15531 * config/rs6000/rs6000.md: Enable TFmode patterns if
15533 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15534 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15535 and -mlong-double-128 are incompatible.
15536 * doc/invoke.texi (-mabi): Collect options together. Add
15537 ibmlongdouble and ieeelongdouble.
15539 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15541 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15543 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15544 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15545 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15546 * rtl.h (rtunion_def): Remove rt_ptr.
15548 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15549 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15550 * config/i386/winnt.c (i386_pe_mark_dllexport)
15551 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15553 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15555 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15557 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15561 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15562 pthread_key_delete. From John David Anglin. gthrw-ify
15563 pthread_getunique_np only if it it's not a macro. Delete
15565 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15566 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15567 __gthread_objc_condition_signal, __gthread_key_delete): Add
15568 "__attribute__ ((__unused__))" to unused arguments.
15569 (__gthread_recursive_mutex_init_function): Add missing return.
15570 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15571 gthr-posix95.h: Use macro-based approach for name redirection
15572 on targets missing weakref.
15574 2006-01-26 Zack Weinberg <zackw@panix.com>
15576 * genconditions.c (write_header): In generated code, #ifdef out
15577 all includes and fake declarations, except includes of bconfig.h
15578 and system.h, unless GCC_VERSION >= 3001. Do not include
15579 gensupport.h in any case.
15580 (write_conditions): Generate a definition of struct c_test. Add
15581 a comment to the generated #endif.
15582 (write_one_condition): Escape backslashes in string too.
15583 (write_writer): Generated code must escape backslashes and quote
15584 marks (but not newlines) in the strings it writes.
15585 * Makefile.in (build/gencondmd.o): Update dependencies.
15587 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15590 * Makefile.in (insn-automata.o): Add header file dependencies.
15591 * genautomata.c: Add includes.
15593 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15596 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15598 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15600 * configure.ac: Expect target tools paths to be passed from the toplevel
15601 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15603 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15605 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15608 * c.opt (Wpointer-sign): Init to -1.
15609 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15610 OPT_pedantic, to 0 otherwise.
15611 * doc/invoke.texi: Update.
15613 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15615 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15616 constants provided by 80387 instructions in the destination mode.
15618 2006-01-26 Richard Guenther <rguenther@suse.de>
15619 Andrew Pinski <pinskia@physics.uc.edu>
15622 partial PR tree-opt/17064
15623 * tree-ssa-structalias.c (intra_create_variable_infos):
15624 Create heap variables for incoming parameters if
15625 flag_argument_noalias > 1.
15626 (find_what_p_points_to): Look through default defs of
15629 2006-01-26 Jeff Law <law@redhat.com>
15632 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15633 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15634 within the VR_RANGE, use the VR_RANGE as the result, not the
15636 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15637 bounds for the type.
15639 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15641 * tree-ssa-alias.c (maybe_create_global_var): Change
15642 subvar walking to an assertion that we don't have subvar'd variables.
15644 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15647 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15648 Use a new variable, inner. PARM_DECLs are always non-weak.
15650 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15652 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15653 --disable-checking.
15655 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15657 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15659 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15661 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15662 (smax_insn, smin_insn, smax_0, smin_0): New.
15664 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15667 * config/cris/cris.c (cris_order_for_addsi3): New function.
15668 * config/cris/cris-protos.h: Prototype it.
15669 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15670 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15671 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15672 (split for "op.S1 [rx=rx+i],ry (swapped)")
15673 (split for "op(s|u).S1 [rx=rx+i],ry")
15674 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15675 Apply cris_order_for_addsi3 when generating addsi3 insns.
15677 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15679 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15680 (TREE_BLOCK): Add call to EXPR_CHECK.
15682 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15685 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15686 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15687 (dump_omp_clauses): ... here.
15688 (dump_generic_node): Handle OMP_CLAUSE.
15689 * tree.c (omp_clause_num_ops): New.
15690 (omp_clause_code_name): New.
15691 (tree_code_size): Handle OMP_CLAUSE.
15692 (tree_size): Likewise.
15693 (make_node): Document handling of OMP_CLAUSE.
15694 (tree_node_structure): Handle OMP_CLAUSE.
15695 (omp_clause_check_failed): New.
15696 (omp_clause_range_check_failed): New.
15697 (omp_clause_operand_check_failed): New.
15698 (build_omp_clause): New.
15699 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15700 * tree.h (enum omp_clause_code): Declare.
15701 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15702 (OMP_CLAUSE_RANGE_CHECK): Define.
15703 (OMP_CLAUSE_ELT_CHECK): Define.
15704 (omp_clause_check_failed): Declare.
15705 (omp_clause_operand_check_failed): Declare.
15706 (omp_clause_range_check_failed): Declare.
15707 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15708 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15709 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15710 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15711 (OMP_CLAUSE_IF_EXPR): Likewise.
15712 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15713 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15714 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15715 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15716 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15717 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15718 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15719 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15720 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15721 (OMP_CLAUSE_CODE): Define.
15722 (OMP_CLAUSE_SET_CODE): Define.
15723 (OMP_CLAUSE_CODE): Define.
15724 (OMP_CLAUSE_OPERAND): Define.
15725 (struct tree_omp_clause): Declare.
15726 (union tree_node): Add field 'omp_clause'.
15727 * treestruct.def (TS_OMP_CLAUSE): Define.
15728 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15729 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15730 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15731 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15732 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15733 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15734 (OMP_CLAUSE): Define.
15735 * print-tree.c (print_node): Handle OMP_CLAUSE.
15736 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15737 * c-typeck.c: Likewise.
15738 * gimplify.c: Likewise.
15739 * c-omp.c: Likewise.
15740 * tree-nested.c: Likewise.
15741 * tree-inline.c: Likewise.
15742 * c-parser.c: Likewise.
15743 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15746 2006-01-25 Roger Sayle <roger@eyesopen.com>
15748 PR rtl-optimization/25703
15749 * combine.c (try_combine): Handle zero_extract and strict_low_part
15750 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15752 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15754 * global.c: Fix comment typos.
15756 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15759 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15760 Use output_addr_const instead of assemble_name.
15762 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15764 * Makefile.in (sched-vis.o): Update dependencies.
15765 * haifa-sched.c (sched_finish): Clear current_sched_info.
15766 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15767 (dump_flow_info): Call it.
15768 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15770 * basic-block.h (dump_bb_info): Declare.
15771 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15772 option, and apply options only for dump files whose TDF_RTL,
15773 TDF_TREE, or TDF_IPA bits match.
15774 * rtl.h: Declare new functions exported from sched-vis.c.
15775 * sched-vis.c: Enable also if scheduling is not used.
15776 (print_value): Print the mode of registers if not inside scheduling.
15777 (print_insn): Make it work outside the scheduler. Beautify the output
15779 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15781 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15783 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15784 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15785 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15786 depending on the value of CONSTANT_POOL_ADDRESS_P.
15787 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15789 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15790 rather than SYMBOL_REF_DECL.
15791 (rtx_constant_pool): Remove const_rtx_sym_htab.
15792 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15793 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15794 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15795 Remove handling of const_rtx_sym_htab.
15796 (find_pool_constant): Delete.
15797 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15798 rather than find_pool_constant.
15799 (get_pool_constant_for_function): Delete.
15800 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15801 find_pool_constant.
15802 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15803 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15804 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15805 (SYMBOL_REF_CONSTANT): New macro.
15806 (get_pool_constant_for_function): Delete.
15807 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15808 rather than SYMBOL_REF_DECL.
15809 (i386_pe_mark_dllimport): Likewise.
15810 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15811 rather than SYMBOL_REF_DECL.
15812 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15813 (machopic_indirect_call_target): Likewise.
15815 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15817 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15819 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15821 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15823 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15825 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15827 2006-01-24 David Daney <ddaney@avtrex.com>
15830 * configure.ac (enable_tls): New enable option.
15831 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15832 * configure: Regenerate.
15833 * doc/install.texi (--enable-tls): Document new option.
15834 (--disable-tls): Ditto.
15836 2006-01-24 Richard Henderson <rth@redehat.com>
15838 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15839 * alias.c (true_dependence): Respect it.
15840 (canon_true_dependence, write_dependence_p): Likewise.
15841 * builtins.c (get_builtin_sync_mem): Set it.
15843 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15845 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15848 2006-01-24 DJ Delorie <dj@redhat.com>
15850 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15851 for storing constants in single-bit bitfields.
15853 2006-01-25 Ben Elliston <bje@au.ibm.com>
15855 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15857 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15860 * tree-ssa-pre.c (phi_translate): Return NULL
15861 for AGGREGATE_TYPE's.
15863 2006-01-24 Zack Weinberg <zackw@panix.com>
15865 * genautomata.c (process_state_for_insn_equiv_partition):
15866 Use xcalloc for insn_arcs_array.
15867 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15868 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15870 2006-01-24 Richard Henderson <rth@redhat.com>
15872 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15873 update all callers.
15875 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15877 PR rtl-optimization/25890
15878 PR rtl-optimization/25905
15879 * combine.c (expand_compound_operation, expand_field_assignment):
15880 Fail if the bitfield's final position is out of bounds.
15882 2006-01-24 Ian Lance Taylor <ian@airs.com>
15884 PR middle-end/25930
15885 * cgraphunit.c (cgraph_output_in_order): Don't clear
15886 cgraph_asm_nodes until after asm strings have been output.
15888 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15890 * fix-header.c (read_scan_file): Add new parameter imultilib when
15891 calling register_include_chains.
15893 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15895 * omp-low.c: Update documentation.
15897 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15898 Daniel Berlin <dberlin@dberlin.org>
15902 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15903 return from the function.
15905 2006-01-22 Zack Weinberg <zackw@panix.com>
15907 * rtl.def (match_code): Add second argument.
15908 * genpreds.c (write_extract_subexp): New function.
15909 (write_match_code): Add path argument. Use write_extract_subexp.
15910 (write_predicate_expr): Pass path to write_match_code.
15911 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15912 not perform a mode test.
15913 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15914 a subexpression does not constrain the top-level code set.
15915 * read-rtl.c (read_rtx_variadic): New function.
15916 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15917 * doc/md.texi: Document new notation.
15918 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15919 (cmpsi_operand): ... here, using new notation.
15921 2006-01-22 Zack Weinberg <zackw@panix.com>
15923 * varray.c: Remove GENERATOR_FILE #ifdefs.
15925 2006-01-22 Zack Weinberg <zackw@panix.com>
15927 * genautomata.c (output_reserved_units_table): Emit nothing if
15928 description->query_units_num is zero. Remove extra blank line.
15929 (output_cpu_unit_reservation_p): Short circuit
15930 if description->query_units_num is zero.
15932 2006-01-22 Zack Weinberg <zackw@panix.com>
15934 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15935 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15936 nor any of the random handful of variables that used to be necessary
15937 when this program was linked with rtlanal.o. Prune set of forward
15938 function declarations.
15939 (struct attr_desc): Remove static_p field.
15940 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15941 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15942 (attr_string): Do not read the character one past the length of
15944 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15945 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15946 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15947 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15948 (make_automaton_attrs): New.
15949 (main): Do not call into genautomata. Call local gen_bypass
15950 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15951 Remove special case for insn_alts.
15952 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15953 varray.h (leftover from previous change). Prune set of forward
15954 function declarations. Remove state_alts fields from all
15955 structures. Remove state_alts_table from struct automaton.
15956 Make everything except main static. Do not maintain num_dfa_decls.
15957 Do not maintain state_alts fields of various structures.
15958 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15959 (add_arc): Remove state_alts argument. All callers updated.
15960 (output_reserved_units_table): Emit #ifdef here...
15961 (output_tables): ...not here. Don't generate state_alts tables.
15962 (expand_automata): Don't generate attributes.
15963 (write_automata): Don't generate state_alts functions.
15964 (main): New function.
15965 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15966 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15967 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15968 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15969 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15970 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15971 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15972 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15974 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15975 * genattrtab.h: Delete file.
15976 * Makefile.in (OBJS-common): Add insn-automata.o.
15977 (insn-automata.o): New rule.
15978 (simple_generated_c): Add insn-automata.c.
15979 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15980 (genprogmd): Add automata.
15981 (build/genattrtab): Needs no extra objects nor libraries.
15982 (build/genautomata): Needs build/vec.o and -lm.
15984 2006-01-22 Zack Weinberg <zackw@panix.com>
15986 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15987 (output_dfa_max_issue_rate, locked_states_num): Delete.
15988 (struct automaton): Add locked_states field.
15989 (output_dead_lock_vect): Save number of locked states in
15990 automaton->locked_states. If it is zero, don't print anything.
15991 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15992 (output_internal_dead_lock_func): Only test the dead_lock_vect
15993 for automata that have locked states.
15994 (output_statistics): Always print the number of locked states for
15995 each automaton. Calculate total number of locked states here.
15996 (write_automata): Don't call output_dfa_max_issue_rate.
15997 * genattrtab.c: Define length_unit_log as a const variable.
15998 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15999 max_insn_queue_index const.
16000 * final.c (length_unit_log): Declare const.
16001 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16003 2006-01-22 Zack Weinberg <zackw@panix.com>
16005 * genautomata.c: Include vec.h, not varray.h.
16006 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16007 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16008 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16009 VEC_* macros operating on appropriately typed vectors, or to
16010 malloced arrays when the size is known in advance. Const-ify
16011 many char* variables and function arguments. No functional changes.
16012 * Makefile.in (build/varray.o): Delete rule.
16013 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16014 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16016 2006-01-22 Zack Weinberg <zackw@panix.com>
16018 * gensupport.c: Define get_insn_name and record_insn_name here.
16019 (read_md_rtx): Call record_insn_name as appropriate.
16020 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16021 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16022 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16024 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16025 (BUILD_VARRAY): Delete.
16026 (genprognormal): Rename genprogmd. Fold in all programs from
16027 genprognoprint; also attrtab.
16028 (build/genattrtab): Just mention genautomata.o and varray.o.
16029 Reorganize a bit, add comments to make the categories clearer.
16031 2006-01-22 Zack Weinberg <zackw@panix.com>
16033 * genconditions.c (condition_table, add_condition): Delete.
16034 (write_conditions): Don't emit n_insn_conditions nor
16035 insn_elision_unavailable. Issue the gcc version #ifdef here,
16036 inside the table, with no #else clause ...
16037 (write_header): ...not here.
16038 (write_writer): New function.
16039 (main): Don't initialize condition_table. Use add_c_test.
16041 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16042 files on the command line.
16043 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16044 Return -1 if there is no entry in the table, don't abort.
16045 (add_c_test, traverse_c_tests): New functions.
16046 * gensupport.h (insn_elision_unavailable, insn_conditions)
16047 (n_insn_conditions): Delete declarations.
16048 (add_c_test, traverse_c_tests): Declare.
16049 * read-rtl.c: Include gensupport.h.
16050 (read_conditions): New function.
16051 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16052 (read_rtx_1): If we get EOF when we were looking for an initial
16053 open paren, return 0. Call read_conditions when appropriate.
16054 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16055 dummy-conditions.o. Eliminate references to insn-conditions.o,
16056 or change them to build/gencondmd.o, as appropriate. Remove
16057 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16058 from $(simple_generated_c). For all files remaining in those
16059 two lists, add insn-conditions.md to the generator command line.
16060 Give insn-constants.h/s-constants their own rules. Add rules
16061 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16062 (build/read-rtl.o): Depend on gensupport.h.
16063 (genprognormal): Include preds.
16064 (genprogearly): Rename genprognoprint; only difference is now that
16065 they don't link with $(BUILD_PRINT).
16066 * dummy-conditions.c: Delete.
16068 2006-01-22 Zack Weinberg <zackw@panix.com>
16070 * genextract.c: Don't include insn-config.h. Do include vec.h.
16071 Declare vectors of int, char, and locstr.
16072 (locstr): New typedef.
16073 (struct extraction): Make all array fields into bare pointers.
16074 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16075 (insn_code_number): Delete.
16076 (accum_extract): New struct.
16077 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16078 (gen_insn): Take insn_code_number as an argument. Use an
16079 accum_extract structure instead of loading data directly into
16080 a struct extraction, and having to know how big it might get.
16081 (walk_rtx): Operate entirely on an accum_extract structure.
16082 (print_path): Avoid unnecessary use of printf.
16083 (print_header): New function, split out of main. Distinguish
16084 more carefully between an unrecognizable insn and an insn that
16085 has the code number of a define_expand.
16086 (main): Pass insn_code_number to gen_insn. Call print_header
16087 only after parsing. Avoid unnecessary use of printf.
16088 * Makefile.in (build/vec.o): New rule.
16089 (build/genextract): Depend on build/vec.o.
16090 (build/genextract.o): Don't depend on insn-config.h.
16092 2006-01-22 Zack Weinberg <zackw@panix.com>
16094 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16095 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16096 practical. Eliminate per-generator-program link rules.
16098 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16100 PR middle-end/24437
16101 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16102 with a call expr to ...
16103 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16105 2006-01-23 Richard Guenther <rguenther@suse.de>
16107 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16108 before make_edge with conditional EDGE_TRUE_VALUE.
16110 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16111 Jan Hubicka <jh@suse.cz>
16112 Richard Guenther <rguenther@suse.de>
16114 PR rtl-optimization/25654
16115 * cfgexpand.c (aggregate_contains_union_type): New function.
16116 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16117 for structure variables that contain a union type.
16119 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16121 * gengtype.c (new_structure): Return the structure.
16122 (create_option): Add an extra "next" argument.
16123 (create_field): New function.
16124 (adjust_field_rtx_def): Use create_option and create_field.
16125 Remove a now-unnecessary call to find_structure.
16126 (adjust_field_tree_def): Likewise.
16127 (note_yacc_type): Remove an unnecessary call to find_structure.
16128 * gengtype.h (new_structure): Return the structure.
16129 (create_option): Add an extra argument.
16130 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16131 (option): Adjust calls to create_option.
16133 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16135 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16137 2006-01-22 Paul Brook <paul@codesourcery.com>
16138 Peter Barada <peter@the-baradas.com>
16140 * config/m68k/m68k.md: Add Coldfire FPU support.
16141 Define FP mode macro and associated attributes.
16142 Use it for float mode patterns.
16143 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16144 (LIBCALL_VALUE): Use m68k_libcall_value.
16145 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16146 (m68k_function_value): Ditto.
16147 (emit_move_sequence): Ditto.
16148 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16149 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16150 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16151 (MULTILIB_EXCEPTIONS): Ditto.
16152 * config/m68k/m68k.opt: Add mcfv4e.
16153 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16154 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16155 (m68k_output_function_prologue): Save ColdFire FPU registers.
16156 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16157 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16158 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16159 ColdFire FPU registers.
16160 (m68k_libcall_value, m68k_function_value): New functions.
16161 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16162 (LIBCALL_VALUE): Use m68k_libcall_value.
16163 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16164 (MASK_COLDFIRE): Add MASK_CFV4E.
16165 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16166 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16167 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16168 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16169 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16170 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16171 * doc/invoke.tex: Document -mcfv4e on m68k.
16173 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16175 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16178 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16181 * c-opts.c (c_common_handle_option): Don't include
16182 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16183 * doc/invoke.texi (C++ Dialect Options): Document that
16184 -Wnon-virtual-dtor is no longer included in -Wall.
16186 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16188 * gcov.c (print_version), gcov-dump.c (print_version),
16189 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16192 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16194 * df-scan.c (problem_SCAN): Added NULL reset function.
16195 (df_scan_reset_blocks): Added code to call reset block function
16196 (df_bb_refs_delete) Fixed comment.
16197 (df_insn_refs_delete): Made tolerant of deleting non existent info
16198 for dataflow problems that need to be reset.
16199 * df-core.c (df_set_blocks): Ditto.
16200 * df.h (struct df_problem): Added reset_fun.
16201 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16202 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16203 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16204 functions to clear out all references to def-use or use-def chains.
16206 2006-01-21 Ben Elliston <bje@au.ibm.com>
16208 * varasm.c (assemble_real): Initialise data array.
16210 2006-01-20 Paul Brook <paul@codesourcery.com>
16212 Merge from csl-arm-branch.
16213 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16214 * config/arm/arm.md (movdi): Force operands[1] to a register
16215 if we have a non-register source.
16216 (*arm_movdi, *movdf_soft_insn): Require that one of the
16217 operands be a register.
16218 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16219 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16221 2006-01-20 DJ Delorie <dj@redhat.com>
16223 * varasm.c (initializer_constant_valid_p): Allow pointers
16224 initialized from integer constants of lesser precision.
16225 (output_constant): Allow non-int-sized pointer modes to be
16226 initialized from integer constants.
16228 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16231 * cppdefault.h (struct default_include): Add multilib flag.
16232 * cppdefault.c (cpp_include_defaults): Set it.
16233 * c.opt (-imultilib): New option.
16234 * c-opts.c (imultilib): New.
16235 (c_common_handle_option): Handle -imultilib.
16236 (c_common_post_options): Likewise.
16237 * c-incpath.c (add_standard_paths, register_include_chains):
16239 * c-incpath.h (register_include_chains): Add extra parameter.
16240 * gcc.c (do_spec_1): Generate -imultilib option.
16241 (The Specs Language): Update %I description.
16242 (process_command): Update copyright notice.
16243 * doc/cppopts.texi (-imultilib): Document.
16244 * doc/invoke.texi (-imultilib): Include in option summary.
16245 (%I): Update specs documentation.
16247 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16249 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16251 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16253 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16256 2006-01-20 Richard Guenther <rguenther@suse.de>
16257 Steven Bosscher <stevenb.gcc@gmail.com>
16259 PR rtl-optimization/24626
16260 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16261 EDGE_TRUE_VALUE if in RTL mode.
16264 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16265 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16267 2006-01-20 Dirk Mueller <dmueller@suse.com>
16270 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16271 instead of a special NOP marker.
16272 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16273 NOP marker handling.
16274 * c-common.h (empty_body_warning): Add forward declaration.
16275 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16276 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16278 2006-01-20 Paul Brook <paul@codesourcery.com>
16280 * Makefile.in (lang_checks): Keep going if mkdir fails.
16282 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16284 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16285 be able to clean out basic block when not necessary.
16286 (df_scan_free): Fixed to properly delete information if df is
16287 unused before calling df_finish.
16288 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16289 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16291 (df_bb_refs_delete): New function.
16292 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16293 * df-core.c (df_set_blocks): Added code to properly clean out
16294 unused blocks if they are not part of the blocks to consider.
16295 Added additional null check.
16296 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16297 be able to clean out basic block when not necessary
16298 * df.h (df_free_bb_function): Ditto.
16299 (df_bb_refs_delete): New function.
16300 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16301 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16302 basic block parameter to be able to clean out basic block when not
16304 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16305 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16306 Fixed to properly delete information if df is unused before
16309 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16311 PR rtl-optimization/25799
16312 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16313 Corrected confluence operator to remove bits from op2 before oring
16314 with op1 rather than removing bits from op1.
16315 (df_ru_transfer_function): Corrected test on wrong bitmap which
16316 caused infinite loop. Both of these problems were introduced in
16317 the dataflow rewrite.
16319 2006-01-19 DJ Delorie <dj@redhat.com>
16321 * reload1.c (find_reload_regs): Note the details of reload
16322 failures in the dump file.
16323 (spill_failure): Likewise.
16325 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16327 * loop-iv.c: Include df.h and hashtab.h.
16328 (enum iv_grd_result): New enum.
16329 (DF_REF_IV, DF_REF_IV_SET): New macros.
16330 (struct biv_entry): New.
16331 (df, bivs): New global variables.
16332 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16333 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16335 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16336 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16337 analyzed_for_bivness_p, record_biv): New functions.
16338 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16339 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16340 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16342 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16344 (iv_number_of_iterations): Use new interface to iv analysis.
16345 * loop-unroll.c: Do not include varray.h.
16346 (analyze_iv_to_split_insn): Use new interface to iv
16348 * loop-unswitch.c (may_unswitch_on): Ditto.
16349 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16351 (df_bb_modify): Realloc tables to the new index.
16352 (df_find_use): New function.
16353 * df.h (df_find_use): Declare.
16354 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16356 * cfgloop.h (struct rtx_iv): Remove analysed field.
16357 (iv_get_reaching_def): Removed.
16358 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16359 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16360 (loop-iv.o): Add df.h and hashtab.h dependency.
16361 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16363 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16366 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16368 (__floatundisf, __floatundidf): Likewise.
16369 * libgcc2.h (IS_IBM_EXTENDED): Define.
16371 2006-01-19 DJ Delorie <dj@redhat.com>
16373 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16375 2006-01-19 Paul Brook <paul@codesourcery.com>
16377 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16378 as nothrow when unwinding tables are disabled.
16380 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16383 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16384 of bit-field" when in system header.
16386 2006-01-19 DJ Delorie <dj@redhat.com>
16388 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16389 the 16 bit shift limit of the m16c.
16391 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16394 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16395 * config/i386/i386.c (output_set_got): Output the label if we have one
16396 for the TARGET_DEEP_BRANCH_PREDICTION case.
16398 2006-01-19 Jan Hubicka <jh@suse.cz>
16399 H.J. Lu <hongjiu.lu@intel.com>
16400 Evandro Menezes <evandro.menezes@amd.com>
16402 * invoke.texi (generic): Document
16404 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16405 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16406 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16407 (x86_use_incdec, x86_pad_returns): New variables
16408 (TARGET_CPU_DEFAULT_generic): New constant
16409 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16410 (enum processor_type): Add generic32 and generic64.
16411 * i386.md (cpu attribute): Add generic32/generic64
16412 (movhi splitter): Behave sanely when both partial_reg_dependency and
16413 partial_reg_stall are set.
16414 (K8 splitters): Enable for generic as well.
16415 * predicates.md (incdec_operand): Use TARGET_INCDEC
16416 (aligned_operand): Avoid memory mismatch stalls.
16417 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16418 * ppro.md: Enable for generic32
16419 * i386.c (generic64_cost, generic32_cost): New.
16420 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16421 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16422 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16423 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16424 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16425 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16426 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16427 x86_accumulate_outgoing_args, x86_prologue_using_move,
16428 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16429 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16430 Enable for generic.
16431 (x86_use_incdec, x86_pad_returns): New.
16432 (override_options): Add generic32 and generic64, translate "generic"
16433 to generic32/generic64 and "i686" to "generic32", refuse
16434 "generic32"/"generic64" as arch target.
16435 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16436 (ix86_reorg): Honor PAD_RETURNS.
16438 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16440 * tree-pretty-print.c (dump_generic_node): Handle
16441 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16442 * cgraph.c (cgraph_expand_queue): Rename from
16443 cgraph_analyze_queue. Update all users.
16444 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16445 cgraph_expand_queue.
16446 (cgraph_expand_all_functions): Likewise.
16447 (cgraph_finalize_pending_functions): Remove. Update callers.
16449 * tree.h (OMP_DIRECTIVE_P): Define.
16450 (OMP_PARALLEL_FN): Define.
16451 (OMP_PARALLEL_DATA_ARG): Define.
16452 (OMP_SECTIONS_SECTIONS): Define.
16453 * tree-pass.h (pass_expand_omp): Declare.
16454 * omp-low.c (struct omp_region): Declare.
16455 (struct omp_context): Remove fields 'parallel_type',
16456 'parallel_start_ix' and 'parallel_start_additional_args'.
16458 (struct omp_for_data): Rename from struct expand_omp_for_data.
16459 (omp_regions): New static variable.
16460 (root_omp_region): New static variable.
16461 (find_omp_clause): Make static.
16462 (is_in_combined_parallel_ctx): Remove.
16463 (is_combined_parallel): New.
16464 (extract_omp_for_data): Move earlier in the file.
16465 (workshare_safe_to_combine_p): New.
16466 (get_ws_args_for): New.
16467 (determine_parallel_type): Move earlier in the file.
16468 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16470 (omp_copy_decl): Likewise.
16471 (create_omp_child_function): Likewise.
16472 (lookup_omp_region): New.
16473 (dump_omp_region): New.
16474 (debug_omp_region): New.
16475 (debug_all_omp_regions): New.
16476 (new_omp_region): New.
16477 (scan_omp_parallel): If parallel_nesting_level > 1, the
16478 directive is nested within another parallel directive.
16479 Set OMP_PARALLEL_FN.
16480 (scan_omp_for): Do not try to handle combined parallel+for
16482 Remove FIXME comment.
16483 (scan_omp_nested): Remove.
16484 (scan_omp_1): Do not call scan_omp_nested when
16485 parallel_nesting_level is > 1.
16486 Do not change the DECL_CONTEXT of local variables found.
16487 (lookup_decl_in_outer_ctx): New.
16488 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16489 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16490 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16491 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16492 If CTX is nested, lookup VAR in the outer context when
16493 building copy assignment.
16494 (lower_send_clauses): Rename from expand_send_clauses.
16495 If CTX is nested, lookup VAR in the outer context when
16496 building copy assignments.
16497 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16498 If CTX is nested, lookup VAR in the outer context when
16499 building copy assignments.
16500 (expand_parallel_call): Rename from build_parallel_call.
16501 Handle combined parallel+workshare cases.
16502 Re-implement to emit code into the CFG.
16504 (expand_omp_parallel): Re-implement to emit code into the CFG.
16505 Call move_sese_region_to_fn to outline the sub-graph
16506 containing the parallel region.
16507 (expand_omp_for_1): Remove.
16508 (expand_omp_for_generic): Re-implement to emit code into the
16510 (expand_omp_for_static_nochunk): Likewise.
16511 (expand_omp_for_static_chunk): Likewise.
16512 (expand_omp_for): Likewise.
16513 (expand_omp_sections): Likewise.
16514 (remove_exit_barriers): New.
16515 (expand_omp_synch): New.
16517 (build_omp_regions_1): New.
16518 (build_omp_regions): New.
16519 (execute_expand_omp): New.
16520 (gate_expand_omp): New.
16521 (pass_expand_omp): Define.
16522 (lower_omp_sections): Rename from expand_omp_sections.
16523 Set OMP_SECTIONS_SECTIONS.
16524 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16525 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16526 (lower_omp_single): Rename from expand_omp_simple.
16527 (lower_omp_master): Rename from expand_omp_master.
16528 (lower_omp_ordered): Rename from expand_omp_ordered.
16529 (lower_omp_critical): Rename from expand_omp_critical.
16530 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16531 (lower_omp_for): Re-implement.
16532 (lower_omp_parallel): Re-implement.
16533 (lower_regimplify): Rename from expand_regimplify.
16534 (lower_omp_1): Rename from expand_omp_1.
16535 If there are syntax errors in the program, replace every
16536 OpenMP directive with NOP.
16537 Call lower_omp_* instead of expand_omp_*.
16538 (lower_omp): Rename from expand_omp.
16540 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16541 * tree-gimple.h (enum omp_parallel_type): Remove.
16542 (gimple_boolify): Declare extern.
16543 (find_omp_clause, determine_parallel_type): Remove.
16545 * gimple-low.c (lower_omp_directive): New.
16546 (lower_stmt): Call it.
16547 (record_vars_into): Move from ...
16548 (record_vars): ... here.
16549 Call record_vars_into with current_function_decl.
16551 * gimplify.c (struct gimplify_ctx): Remove fields
16552 combined_pre_p and combined_ctxp. Update users.
16553 (get_formal_tmp_var): Add documentation.
16554 (gimple_boolify): Make extern.
16555 (gimplify_expr_in_ctx): Remove. Update callers.
16556 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16557 will always be a BIND_EXPR.
16558 (gimplify_expr): Handle OMP_RETURN_EXPR.
16559 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16560 (OMP_PARALLEL): Add 3 operands.
16561 (OMP_SECTIONS): Add 1 operand.
16562 (OMP_RETURN_EXPR): Define.
16564 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16565 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16566 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16567 creating a circular free list.
16568 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16570 * tree-flow.h (move_sese_region_to_fn): Declare.
16571 (record_vars_into): Declare.
16572 * tree-cfg.c (make_omp_sections_edges): New.
16573 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16574 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16575 OMP_SECTIONS and OMP_SECTION.
16576 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16577 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16578 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16579 (gather_blocks_in_sese_region): New.
16580 (struct move_stmt_d): Declare.
16581 (move_stmt_r): New.
16582 (move_block_to_fn): New.
16583 (move_sese_region_to_fn): New.
16585 * passes.c (init_optimization_passes): Schedule
16586 pass_expand_omp after pass_init_datastructures.
16588 * tree-ssa-operands.c (get_expr_operands): Handle
16589 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16590 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16592 2006-01-19 Jeff Law <law@redhat.com>
16594 * tree-vrp.c (extract_range_from_assert): Refine the result range
16595 if the variable referenced by the ASSERT_EXPR has a range and
16596 either the tentative result range or the previous range is a
16599 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16601 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16603 2006-01-19 Jan Hubicka <jh@suse.cz>
16605 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16607 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16609 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16610 (expand_compound_operation, expand_field_assignment): Fail if the
16611 bit lengths of an extract operation are out of range.
16612 (make_extraction): Compute wanted_inner_mode based on the position
16613 and length of the extraction. Make it extraction_mode for non-constant
16614 positions, and do not modify offset in that case. When generating a
16615 new MEM, use a mode that can hold the extraction while keeping correct
16616 alignment. Remove code that supported MEMs wrapped by USEs.
16617 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16619 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16621 * config/s390/s390.md ("Y", "y"): New mode attribute.
16622 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16623 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16624 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16625 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16626 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16627 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16628 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16629 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16630 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16631 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16632 "addsi3", "subsi3"): Insn patterns removed.
16633 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16634 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16635 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16636 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16637 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16638 "*sub<mode>3_cconly2"): New insn patterns.
16639 ("addsi3", "subsi3"): New expanders.
16641 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16643 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16644 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16645 existing STMT_VINFO_VECTYPE if available.
16646 (vect_mark_relevant): Add special handling for stmts that are
16647 marked as STMT_VINFO_IN_PATTERN_P.
16648 (vect_analyze_loop): Call vect_pattern_recog.
16649 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16650 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16652 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16653 (vect_recog_func_ptr): New function-pointer type.
16654 * tree-vect-patterns.c: New file.
16655 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16656 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16657 (vect_pattern_recog_1): New functions.
16658 (vect_pattern_recog_funcs): New array of function pointers.
16660 * tree-vectorizer.h (ternary_op): New enum value.
16661 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16662 declaration. Revised documentation. Removed redundant dump prints.
16663 Removed redundant argument. Added support for reduction patterns.
16664 (vectorizable_reduction): Added support for reduction patterns.
16665 (vect_transform_stmt): Added support for patterns.
16667 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16668 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16669 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16670 (expand_widen_pattern_expr): New function.
16671 (init_optabs): Initialize new optabs udot_prod_optab,
16673 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16674 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16675 (expand_widen_pattern_expr): New function declaration.
16676 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16678 * tree-inline.c (estimate_num_insns_1): Added cases for new
16679 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16680 * tree-pretty-print.c (dump_generic_node): Likewise.
16681 (op_prio): Likewise.
16682 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16683 * tree-ssa-operands.c (get_expr_operands): Added case for
16685 * tree-vect-patterns.c (widened_name_p): New function.
16686 (vect_recog_dot_prod_pattern): Added function implementation.
16687 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16688 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16689 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16690 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16692 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16693 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16694 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16695 (init_optabs): Initialize new optabs widen_ssum_optab,
16697 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16698 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16699 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16700 use instead of type of def.
16701 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16702 function implementation.
16703 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16704 widen_ssumv8hi): New.
16706 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16709 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16712 * c-decl.c (add_flexible_array_elts_to_size): New function.
16713 (finish_decl): Use it.
16715 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16717 * diagnostic.h: Include options.h.
16718 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16719 dependancies for diagnostic.h.
16720 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16722 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16724 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16725 (ssa_ro_call_cache_valid): Ditto.
16726 * tree-ssa-alias.c (sort_tags_by_id): New function.
16727 (init_transitive_clobber_worklist): Ditto.
16728 (add_to_worklist): Ditto.
16729 (mark_aliases_call_clobbered): Ditto.
16730 (compute_tag_properties): Ditto.
16731 (set_initial_properties): Ditto.
16732 (compute_call_clobbered): Ditto.
16733 (compute_may_aliases): Call compute_call_clobbered and grouping.
16734 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16735 (compute_flow_insensitive_aliasing): Grouping now happens in our
16737 (setup_pointers_and_addressables): Remove clobbering related code.
16738 (add_may_alias): Ditto.
16739 (replace_may_alias): Ditto.
16740 (get_nmt_for): Ditto.
16741 (create_global_var):
16742 (is_escape_site): Return an escape_type enumeration.
16743 * tree-flow-inline.h (is_call_clobbered): Global var does not
16744 imply call clobbered.
16745 (mark_call_clobbered): Take a reason for marking this. Remove
16746 marking of globalness, and cache invalidation.
16747 (clear_call_clobbered): Remove cache invalidation code.
16748 * tree-dfa.c (dump_variable): If details is on, dump the reason
16750 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16752 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16753 (struct var_ann_d): Ditto.
16754 (enum escape_type): New.
16755 (mark_call_clobbered): Adjust prototype.
16756 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16757 are never call clobbered.
16758 Record reasons for escaping.
16759 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16760 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16761 (ssa_ro_call_cache_valid): Ditto.
16762 (clobbered_v_may_defs): Ditto.
16763 (clobbered_vuses): Ditto.
16764 (ro_call_vuses): Ditto.
16765 (clobber_stats): New.
16766 (init_ssa_operands): Zero out clobber stats.
16767 (fini_ssa_operands): Print out clobber stats.
16768 (get_call_expr_operands): Pass callee fndecl to
16769 add_call_read_ops).
16770 (add_call_clobber_ops): Remove use of cache.
16771 Add use of PURE_CONST information.
16772 (add_call_read_ops): Remove use of cache.
16773 Add use of static not_read information.
16775 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16777 Introduce TLS descriptors for i386 and x86_64.
16778 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16779 (TARGET_ANY_GNU_TLS): New macro.
16780 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16781 (struct machine_function): Add tls_descriptor_call_expanded_p.
16782 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16783 (ix86_current_function_calls_tls_descriptor): Likewise.
16784 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16785 (override_options): Introduce gnu2 tls dialect.
16786 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16788 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16790 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16791 (ix86_init_machine_status): Initialize new field.
16792 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16793 (ix86_tls_module_base): New.
16794 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16795 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16796 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16797 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16798 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16799 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16800 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16801 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16802 * config/i386/predicates.md (tls_modbase_operand): New.
16803 (tp_or_register_operand): New.
16805 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16807 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16808 (look_for_address_of): Ditto.
16809 (ipa_init): Walk the function decls.
16810 (static_execute): Don't set readonly on FUNCTION_DECL's.
16812 2006-01-18 Roger Sayle <roger@eyesopen.com>
16814 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16815 for shifts where the source and destination registers are different.
16817 2006-01-18 Paul Brook <paul@codesourcery.com>
16819 Merge from csl-arm-branch.
16820 2005-03-14 Julian Brown <julian@codesourcery.com>
16821 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16822 (aeabi_llsl): Likewise.
16823 (ashrdi3): Likewise.
16824 (aeabi_lasr): Likewise.
16825 (lshrdi3): Likewise.
16826 (aeabi_llsr): Likewise.
16827 2005-03-10 Julian Brown <julian@codesourcery.com>
16828 * config.gcc: Disable shared libgcc for SymbianOS.
16829 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16831 2006-01-18 DJ Delorie <dj@redhat.com>
16833 * c-pragma.c (handle_pragma_diagnostic): New.
16834 (init_pragma): Register it.
16835 * doc/extend.texi: Document it.
16837 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16838 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16839 (diagnostic_context): Add classify_diagnostic[].
16840 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16841 as errors if they're overridden to DK_WARNING.
16842 (diagnostic_initialize): Initialize classify_diagnostic[].
16843 (diagnostic_set_kind_override): New.
16844 (diagnostic_report_diagnostic): Check for kind changes.
16845 * opts.c (common_handle_option): Take lang_mask. Update callers.
16846 Handle OPT_Werror_.
16847 * common.opt (Werror=): New.
16848 * doc/invoke.texi: Document -Werror=*
16850 2006-01-18 Jeff Law <law@redhat.com>
16852 * tree-vrp.c (test_for_singularity): Correct test for new
16853 min limit. Use operand_equal_p rather than pointer equality
16854 for testing if new min/max values are equal.
16856 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16857 using range information until after propagation and folding.
16859 2006-01-18 Richard Henderson <rth@redhat.com>
16860 Aldy Hernandez <aldyh@redhat.com>
16861 Jakub Jelinek <jakub@redhat.com>
16862 Diego Novillo <dnovillo@redhat.com>
16864 * omp-low.c: New file.
16865 * c-omp.c: New file.
16867 2006-01-18 Richard Henderson <rth@redhat.com>
16868 Jakub Jelinek <jakub@redhat.com>
16869 Diego Novillo <dnovillo@redhat.com>
16871 * doc/invoke.texi: Document -fopenmp.
16872 * tree-dump.h (debug_function): Declare.
16873 * hooks.c (hook_bool_tree_bool_false): New function.
16874 (hook_tree_tree_null): Remove.
16875 (hook_tree_tree_tree_null): New.
16876 * hooks.h: Update to match.
16877 * tree-pretty-print.c (debug_tree_chain): New.
16878 (print_generic_expr): Handle TDF_CHAIN.
16879 (dump_generic_node): Handle BLOCK.
16880 Do not abort with incomplete SWITCH_EXPRs.
16881 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16882 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16883 print space after directive name.
16884 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16885 Handle OMP_MASTER and OMP_ORDERED.
16886 Handle printing of OMP_BODY just in one place, goto
16887 dump_omp_body in the rest of OMP_* nodes that have
16889 Don't handle clause nodes here. Update omp statements to
16890 use dump_omp_clauses.
16891 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16892 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16893 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16894 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16895 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16896 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16897 Adjust output for GOMP_PARALLEL.
16898 (dump_omp_clauses): New.
16899 (print_declaration): Dump DECL_VALUE_EXPR.
16900 (op_symbol_1): Split out of op_symbol.
16901 (dumping_stmts): Remove. Update all users.
16902 * cgraph.c (cgraph_analyze_queue): New.
16903 (cgraph_add_new_function): New.
16904 * cgraph.h (cgraph_analyze_queue): Declare.
16905 (cgraph_add_new_function): Declare.
16906 (cgraph_lower_function): Remove.
16907 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16908 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16909 and TYPE_P nodes in its default clause.
16910 (empty_body_p): New.
16911 (tree_range_check_failed): New.
16912 (build5_stat): New.
16913 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16914 OMP_CLAUSE_REDUCTION_MERGE,
16915 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16916 OMP_CLAUSE_PRIVATE_DEBUG,
16917 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16918 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16919 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16920 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16921 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16922 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16923 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16924 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16925 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16926 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16927 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16928 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16929 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16930 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16931 (TREE_RANGE_CHECK): New.
16932 (empty_body_p): Declare.
16933 (enum omp_clause_default_kind): New.
16934 (build_string_literal): Declare.
16935 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16936 (build5_stat, build5): Declare.
16937 * tree-pass.h (TDF_CHAIN): Define.
16938 * tree-pass.h (PROP_gimple_lomp): Define.
16939 (pass_lower_omp): Declare.
16940 * diagnostic.h (debug_tree_chain): Declare.
16941 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16943 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16944 * builtins.c (build_string_literal): Make extern.
16945 * gcc.c (include_spec_function): New.
16946 (static_spec_functions): Add it.
16947 (main): Move load of libgomp.spec ...
16948 (LINK_COMMAND_SPEC): ... here.
16949 (link_gomp_spec): New.
16950 (static_specs): Include it.
16951 (LINK_COMMAND_SPEC): Add link_gomp.
16952 (GOMP_SELF_SPECS): New.
16953 (driver_self_specs): Include it.
16954 (switch_matches): Don't mark inline.
16955 (main): Load libgomp.spec.
16956 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16957 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16958 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16959 * tree-gimple.h (enum omp_parallel): Declare.
16960 (determine_parallel_type): Declare.
16961 (omp_firstprivatize_variable): Declare.
16962 (omp_reduction_init): Declare.
16963 (diagnose_omp_structured_block_errors): Declare.
16964 (struct walk_stmt_info): Add want_return_expr.
16965 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16966 (find_omp_clause): Declare.
16967 (insert_field_into_struct): Declare.
16968 (struct walk_stmt_info): Move from tree-nested.c
16969 (walk_stmts): Declare.
16970 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16972 * cgraphunit.c (cgraph_lower_function): Make static.
16973 (cgraph_finalize_pending_functions): New.
16974 (cgraph_finalize_function): Call it.
16975 (cgraph_finalize_compilation_unit): Likewise.
16976 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16977 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16978 (BT_FN_UINT_UINT): New.
16979 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16980 DEF_FUNCTION_TYPE_VAR_4): Document.
16981 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16982 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16983 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16984 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16985 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16986 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16987 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16988 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16989 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16990 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16991 into separate files.
16992 (DEF_GOMP_BUILTIN): New.
16993 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16994 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16995 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16996 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16997 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16998 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16999 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17000 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17001 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17002 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17003 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17004 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17005 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17006 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17007 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17008 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17009 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17010 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17011 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17012 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17013 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17014 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17015 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17016 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17017 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17018 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17019 * sync-builtins.def: New file, moved from builtins.def.
17020 * omp-builtins.def: New file, moved from builtins.def.
17021 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17022 * gimple-low.c (lower_function_body): Clear data.
17023 (lower_stmt): Do not handle COMPOUND_EXPR.
17024 Remove call to print_node_brief.
17025 * c-tree.h (c_finish_omp_clauses): New prototype.
17026 (C_DECL_THREADPRIVATE_P): Define.
17027 (lookup_name_no_remap, c_omp_remap_private): Remove
17028 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17029 (check_for_loop_decls): Update decl.
17030 (lookup_name_no_remap, c_omp_remap_private): Declare.
17031 (build_indirect_ref, build_modify_expr, pushdecl,
17032 pushdecl_top_level): Move to c-common.h.
17033 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17034 before the switch, but just in the 2 places that need it.
17035 * c-decl.c (diagnose_mismatched_decls): Do not check for
17036 mismatched thread-local attributes when OLDDECL is marked
17037 threadprivate and NEWDECL has no thread-local attributes.
17038 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17039 (c_gimple_diagnostics_recursively): Rename from
17040 c_warn_unused_result_recursively. Invoke
17041 diagnose_omp_structured_block_errors.
17042 (check_for_loop_decls): Return a singular decl found.
17043 * langhooks.c (lhd_omp_predetermined_sharing): Return
17044 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17045 (lhd_omp_firstprivatize_type_sizes): New.
17046 (lhd_omp_assignment): New.
17047 (lhd_omp_predetermined_sharing): New.
17048 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17049 (struct lang_hooks_for_types): Add
17050 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17051 omp_predetermined_sharing, omp_disregard_value_expr,
17052 omp_private_debug_clause, omp_clause_default_ctor,
17053 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17054 (c_finish_omp_clauses): New.
17055 (c_finish_bc_stmt): Diagnose break within omp for.
17056 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17057 (build_unary_op): Return error_mark after reporting
17059 (build_modify_expr): Likewise.
17060 * gimplify.c: Include optabs.h and pointer-set.h.
17061 (enum gimplify_omp_var_data): Declare.
17062 (struct gimplify_omp_ctx): Declare.
17063 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17065 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17066 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17067 (splay_tree_compare_decl_uid): New.
17068 (new_omp_context): New.
17069 (delete_omp_context): New.
17070 (gimple_add_tmp_var): Call omp_add_variable.
17071 (gimplify_bind_expr): Likewise.
17072 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17073 true, disregard DECL_VALUE_EXPR on the decl if any.
17074 (gimplify_expr_in_ctx): New.
17075 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17076 omp_add_variable, omp_notice_variable, omp_is_private
17077 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17078 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17079 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17080 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17081 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17082 gimplify_omp_atomic): New.
17083 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17084 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17085 OMP_CRITICAL and OMP_ATOMIC.
17086 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17087 * c-pragma.h (enum pragma_kind): Add
17088 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17089 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17090 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17091 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17092 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17093 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17094 PRAGMA_OMP_THREADPRIVATE.
17095 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17096 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17097 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17098 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17099 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17100 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17101 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17102 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17103 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17104 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17105 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17106 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17107 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17109 (struct nesting_info): Add field_map,
17110 suppress_expansion, debug_var_chain.
17111 (create_nesting_tree): Initialize them.
17112 (lookup_field_for_decl): Use field_map.
17113 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17114 (convert_local_omp_clauses): New.
17115 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17116 (walk_body): Split out of walk_function.
17117 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17118 (convert_nonlocal_reference): Handle omp statements.
17119 (convert_local_reference): Likewise.
17120 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17121 (unnest_nesting_tree): New.
17122 (lower_nested_functions): Call it.
17123 (insert_field_into_struct): Make extern.
17124 (struct walk_stmt_info): Move to tree-gimple.h.
17125 (walk_stmts): Make extern.
17126 * omp-builtins.def: New file.
17127 * tree-iterator.c (expr_only): Clarify comment.
17128 * c-common.h (pushdecl_top_level, pushdecl,
17129 build_modify_expr, build_indirect_ref,
17130 c_finish_omp_master, c_finish_omp_critical,
17131 c_finish_omp_ordered, c_finish_omp_barrier,
17132 c_finish_omp_atomic, c_finish_omp_flush,
17133 c_finish_omp_for, c_split_parallel_clauses,
17134 omp_clause_default_kind, c_omp_sharing_predetermined,
17135 c_omp_remap_decl): Declare.
17136 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17137 (OBJS-common): Add omp-low.o.
17138 (c-omp.o, omp-low.o): Add.
17139 (gimplify.o): Add dependency on $(OPTABS_H).
17140 (GTFILES): Add omp-low.c.
17141 (gt-stringpool.h): Add.
17142 * tree-cfg.c (set_bb_for_stmt): Do not update the
17143 block-to-labels map if we are currently expanding to RTL.
17144 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17146 Handle IDENTIFIER_NODE.
17147 (tree_verify_flow_info): Do not ICE when emitting error
17148 messages about invalid labels.
17149 (dump_function_to_file): Reset CFUN before emitting the body
17151 (debug_function): New.
17152 * passes.c (init_optimization_passes): Schedule
17154 * langhooks-def.h (lhd_omp_predetermined_sharing,
17155 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17157 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17158 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17159 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17160 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17161 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17162 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17163 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17164 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17165 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17166 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17167 (LANG_HOOK_DECLS): Use them.
17169 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17170 Richard Henderson <rth@redhat.com>
17171 Jakub Jelinek <jakub@redhat.com>
17172 Diego Novillo <dnovillo@redhat.com>
17174 * c-parser.c (pragma_omp_clause): Define.
17175 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17176 (c_parser_compound_statement): Likewise.
17177 (c_parser_statement): Likewise.
17178 (c_parser_pragma): Handle omp pragmas.
17179 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17180 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17181 (c_parser_omp_clause_name, check_no_duplicate_clause,
17182 c_parser_omp_variable_list,
17183 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17184 c_parser_omp_clause_copyprivate,
17185 c_parser_omp_clause_default,
17186 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17187 c_parser_omp_clause_lastprivate,
17188 c_parser_omp_clause_nowait,
17189 c_parser_omp_clause_num_threads,
17190 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17191 c_parser_omp_clause_reduction,
17192 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17193 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17194 c_parser_omp_atomic, c_parser_omp_barrier,
17195 c_parser_omp_critical, c_parser_omp_flush,
17196 c_parser_omp_for_loop, c_parser_omp_for,
17197 c_parser_omp_master, c_parser_omp_ordered,
17198 c_parser_omp_sections_scope, c_parser_omp_sections,
17199 c_parser_omp_parallel, c_parser_omp_single,
17200 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17201 * c-pragma.c (init_pragma): Do omp pragma registration here.
17202 * c.opt (fopenmp): New flag.
17204 2006-01-18 Eric Christopher <echristo@apple.com>
17206 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17207 * config/darwin.h (GOMP_SELF_SPECS): Define.
17209 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17211 * rtl.h: Remove the prototype for reg_alloc.
17213 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17216 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17217 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17218 sjlj and dwarf2 exception handling.
17219 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17220 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17221 * pa/pa.c (function_value): Treat complex and vector types as
17223 (function_arg): Likewise. Only pass scalar floats in the floating
17224 point argument registers.
17225 * pa/t-slibgcc-dwarf-ver: New file.
17226 * pa/t-slibgcc-sjlj-ver: New file.
17227 * pa/t-slibgcc-elf-ver: Delete file.
17229 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17231 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17232 unlikely_test_section_p test.
17234 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17236 * mode-switching.c (optimize_mode_switching): Make it static.
17237 * basic-block.h: Remove the prototype for
17238 optimize_mode_switching.
17240 * modulo-sched.c (sms_schedule): Make it static.
17241 * rtl.h: Remove the prototype for sms_schedule.
17243 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17244 * rtl.h: Remove the prototype for gcse_after_reload_main.
17246 * reg-stack.c (reg_to_stack): Make it static.
17247 * rtl.h: Remove the prototype for reg_to_stack.
17249 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17251 * rtl.h: Remove the prototypes for regrename_optimize and
17252 copyprop_hardreg_forward.
17254 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17256 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17257 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17258 Test against the appropriate null constant for the mode.
17259 If 'fixup_overlap' is true, swap the operands if they overlap.
17260 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17261 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17262 alpha_split_tmode_pair and adjust for above change.
17263 * config/alpha/alpha.md (movtf_internal): Adjust call to
17264 alpha_split_tfmode_pair and rely on it to swap the operands.
17265 (movti_internal): New insn and post-reload splitter.
17266 (movti): New expander.
17268 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17270 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17273 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17275 * rtlanal.c (global_reg_mentioned_p_1,
17276 global_reg_mentioned_p): Remove.
17277 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17279 * flow.c (initialize_uninitialized_subregs): Make it static.
17280 * rtl.h: Remove the prototype for
17281 initialize_uninitialized_subregs.
17283 * function.c (instantiate_virtual_regs): Make it static.
17284 * function.h: Remove the prototype for
17285 instantiate_virtual_regs.
17287 * regmove.c (regmove_optimize, combine_stack_adjustments):
17289 * rtl.h: Remove the prototypes for regmove_optimize and
17290 combine_stack_adjustments.
17292 2006-01-17 Roger Sayle <roger@eyesopen.com>
17294 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17295 (size_cost): Encode costs in bytes so that a reg-reg addition is
17296 equivalent to COSTS_N_INSNS(1).
17297 (override_options): Use the size_cost.branch_cost as the default
17298 ix86_branch_cost when optimizing for size.
17300 2006-01-18 Ben Elliston <bje@au.ibm.com>
17302 * Makefile.in (D32PBIT_FUNCS): New.
17303 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17304 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17305 D64PBIT_FUNCS and D128PBIT_FUNCS.
17306 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17307 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17309 (decnumber_dep): Define.
17310 * doc/libgcc.texi (Decimal float library routines): New node.
17311 * config/dfp-bit.h, config/dfp-bit.c: New files.
17313 2006-01-18 Ben Elliston <bje@au.ibm.com>
17315 * expr.c (emit_move_change_mode): Always adjust addresses, not
17316 just during reload. Copy replacements only during reload.
17317 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17318 emit_move_via_integer.
17320 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17322 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17323 instead of $(srcdir) and ${srcdir}.
17325 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17328 PR middle-end/11135
17329 * arm.h (struct machine_function): Add pic_reg.
17330 * arm.c (arm_pic_register): Make unsigned.
17331 (arm_override_options): Only set arm_pic_register if
17332 TARGET_SINGLE_PIC_BASE.
17333 (use_return_insn): Only test for a pic register if it is fixed.
17334 (arm_compute_save_reg0_reg12_mask): Likewise.
17335 (thumb_compute_save_reg_mask): Likewise.
17336 (legitimate_pic_operand): Factor out some known invariants.
17337 (legitimize_pic_address): If we don't have a fixed pic register,
17338 then set up a pseudo in the function entry sequence. Handle the
17339 pic base being in a pseudo.
17340 (arm_load_pic_register): Handle the pic register being in a pseudo.
17341 (arm_expand_prologue): Only set up the pic register if it is fixed.
17342 (thumb_expand_prologue): Likewise.
17343 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17344 (pic_load_addr_based_insn): Likewise.
17345 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17348 2006-01-18 Ben Elliston <bje@au.ibm.com>
17350 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17351 decimal float modes for all floating point registers.
17353 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17354 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17356 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17359 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17360 even when the pointer is not NULL.
17362 2006-01-16 Ian Lance Taylor <ian@airs.com>
17364 * common.opt (ftoplevel-reorder): New option.
17365 * cgraph.c (cgraph_asm_nodes): New global variable.
17366 (cgraph_asm_last_node): New static variable.
17367 (cgraph_order): New global variable.
17368 (cgraph_create_node): Set new order field.
17369 (cgraph_varpool_node): Likewise.
17370 (decide_is_variable_needed): Return true if not
17371 flag_toplevel_reorder.
17372 (cgraph_add_asm_node): New function.
17373 * cgraph.h (struct cgraph_node): Add order field.
17374 (struct cgraph_varpool_node): Add order field.
17375 (struct cgraph_asm_node): Define.
17376 (cgraph_asm_nodes, cgraph_order): Declare.
17377 (cgraph_add_asm_node): Declare.
17378 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17380 (cgraph_varpool_assemble_pending_decls): Call it.
17381 (cgraph_output_pending_asms): New static function.
17382 (cgraph_finalize_compilation_unit): Call it.
17383 (struct cgraph_order_sort): Define.
17384 (cgraph_output_in_order): New static function.
17385 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17386 !flag_toplevel_reorder case.
17387 * c-parser.c: Include "cgraph.h".
17388 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17390 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17391 than -fno-unit-at-a-time.
17392 * doc/invoke.texi (Option Summary): Mention
17393 -fno-toplevel-reorder.
17394 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17395 -funit-at-a-time documentation.
17397 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17398 Kazu Hirata <kazu@codesourcery.com>
17400 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17402 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17404 * Makefile.in (FUNCTION_H): New. Use it instead of
17405 function.h throughout the file.
17406 * function.h: Include tree.h.
17408 2006-01-17 Ben Elliston <bje@au.ibm.com>
17410 * recog.c: Separate some functions with whitespace.
17412 2006-01-16 Richard Henderson <rth@redhat.com>
17414 Merge from gomp branch:
17415 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17416 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17417 and rename from struct inline_data. Rename callee* to dst*;
17418 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17419 transform_new_cfg, transform_return_to_modify, and
17420 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17422 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17423 (copy_decl_for_dup): Remove.
17424 * tree-inline.c (struct inline_data): Move to header.
17425 (insert_decl_map): Export.
17426 (remap_decl): Update for member name changes. Use copy_decl hook.
17427 Allow for replacement to be a non-decl. Remove dead code.
17428 (remap_type_1): Check for existing mapping.
17429 (remap_type): Export.
17430 (remap_decls): Update for member name changes.
17431 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17432 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17433 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17434 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17435 (tree_function_versioning, build_duplicate_type): Likewise.
17436 (copy_body_r): Likewise. Export.
17437 (copy_decl_for_dup): Split into ...
17438 (copy_decl_for_dup_finish, copy_decl_to_var,
17439 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17440 (replace_ref_tree, inlining_p): Remove.
17442 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17444 * ifcvt.c (if_convert): Make it static.
17445 * rtl.h: Remove the prototype for if_convert.
17447 * local-alloc.c (local_alloc): Make it static.
17448 * rtl.h: Remove the prototype for local_alloc.
17450 * loop.c (loop_optimize): Make it static.
17451 * cfgloop.h: Remove the prototype for loop_optimize.
17454 2006-01-16 DJ Delorie <dj@redhat.com>
17456 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17459 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17461 * pa.md: Disparage copies between general and floating-point registers
17462 in 32-bit move patterns.
17464 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17467 * Makefile.in (check-%): Depend on site.exp instead of
17468 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17471 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17473 * global.c (global_alloc): Make it static.
17474 * rtl.h: Remove the prototype for global_alloc.
17476 2006-01-16 Richard Guenther <rguenther@suse.de>
17478 * tree-ssa-alias.c (struct used_part): Add write_only field.
17479 (get_or_create_used_part_for): Initialize it to true.
17480 (create_overlap_variables_for): Don't create structure variables
17481 for structures that only are written to.
17482 (find_used_portions): Handle MODIFY_EXPR to track whether a
17483 structure is only written to.
17485 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17487 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17489 * basic-block.h: Remove the prototype for
17490 partition_hot_cold_basic_blocks.
17492 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17494 * cppspec.c (lang_specific_spec_functions): Remove.
17495 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17496 * gcc.h (lang_specific_spec_functions): Remove.
17497 * gccspec.c (lang_specific_spec_functions): Remove.
17499 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17501 * combine.c (record_value_for_reg): Invalidate registers
17503 (record_dead_and_set_regs_1): Likewise, by passing them to
17504 record_value_for_reg.
17505 (record_dead_and_set_regs): Invalidate stores made by a
17506 call. We do not combine across a call, but we still
17507 relied on equivalences.
17509 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17511 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17512 vrp_int_const_binop returning non-constant nodes.
17514 2006-01-16 Paul Brook <paul@codesourcery.com>
17516 * config/m68k/m68k.c (output_move_const_into_data_reg):
17517 Output correct mnemonic for mvz and mvs.
17519 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17521 * rtl-factoring.c: Add sequence abstraction algorithm.
17522 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17523 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17525 (block_has_preserve_label): New function.
17526 * common.opt: Register new pass.
17527 * Makefile.in: Ditto.
17529 * timevar.def: Ditto.
17530 * tree-pass.h: Ditto.
17531 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17532 * rtl.h (make_jump_insn_raw): Add forward decl.
17533 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17535 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17536 Roger Sayle <roger@eyesopen.com>
17538 * fold-const.c (fold_minmax): New static function.
17539 (fold_binary) <MIN_EXPR>: Call it.
17540 <MAX_EXPR>: Likewise.
17541 * stor-layout.c (place_field): Use DECL_SIZE consistently
17542 in the computation of the new record size.
17544 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17546 * cse.c (cse_condition_code_reg): Make it static.
17547 * rtl.h: Remove the prototype for cse_condition_code_reg.
17549 * combine.c (combine_instructions): Make it static.
17550 * rtl.h: Remove the prototype for combine_instructions.
17552 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17555 * tree.c (get_file_function_name_long): Concatenate the first global
17556 object name with a string derived from the input filename of the object
17559 2006-01-16 Ben Elliston <bje@au.ibm.com>
17561 * config/i386/winnt-stubs.c: Update FSF address.
17562 * config/xtensa/ieee754-df.S: Ditto.
17563 * config/xtensa/ieee754-sf.S: Ditto.
17565 2006-01-14 Ian Lance Taylor <ian@airs.com>
17567 * ifcvt.c (noce_init_if_info): New static function, broken out of
17568 noce_process_if_block.
17569 (noce_process_if_block): Call noce_init_if_info.
17570 (check_cond_move_block): New static function.
17571 (cond_move_process_if_block): New static function.
17572 (process_if_block): Call cond_move_process_if_block.
17574 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17576 * cselib.c (hash_table): Rename to cselib_hash_table.
17577 (cselib_clear_table, discard_useless_values,
17578 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17579 cselib_init, cselib_finish): Adjust uses of hash_table.
17581 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17583 PR tree-optimization/25485
17584 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17585 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17586 is known to be false and true, respectively.
17588 2006-01-14 Richard Guenther <rguenther@suse.de>
17590 PR tree-optimization/22548
17591 PR tree-optimization/22555
17592 PR tree-optimization/22501
17593 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17594 * params.def (salias-max-array-elements): New parameter.
17595 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17596 * doc/invoke.texi (salias-max-array-elements): Document.
17597 * tree-flow-inline.h (var_can_have_subvars): We also handle
17599 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17601 * tree-ssa-structalias.c (params.h): Include.
17602 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17603 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17604 (get_constraint_for): For ADDR_EXPR operating on something
17605 containing an ARRAY_REF, add all subvars to the solution.
17606 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17607 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17608 for creating MUST_DEFs.
17609 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17611 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17613 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17615 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17616 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17617 number_of_iterations_le): New functions.
17618 (number_of_iterations_special): Removed.
17619 (number_of_iterations_exit): Do not use number_of_iterations_special.
17620 * tree.c (unsigned_type_for): Always return integer type.
17622 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17623 Richard Guenther <rguenther@suse.de>
17625 PR rtl-optimization/24257
17626 * gcse.c (find_moveable_store): Only consider a store movable
17627 when the SET_SRC of the insn can be assigned to a register.
17629 2006-01-14 Ian Lance Taylor <ian@airs.com>
17631 * tree.c (tree_not_class_check_failed): New function.
17632 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17633 (tree_not_class_check_failed): Declare.
17635 2006-01-13 Ian Lance Taylor <ian@airs.com>
17637 * reload1.c (do_output_reload): Add assertion rejecting a
17640 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17642 * combine.c (struct reg_stat): Add new fields truncation_label and
17644 (record_value_for_reg): Reset truncated_to_mode.
17645 (record_truncated_value): New function.
17646 (check_promoted_subreg): Call it. Rename to check_conversions.
17647 (combine_instructions): Rename check_promoted_subreg to
17649 (reg_truncated_to_mode): New function.
17650 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17651 (gen_lowpart_or_truncate): New function.
17652 (force_to_mode): Use it instead of gen_lowpart.
17654 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17656 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17657 VAR is a tag, not its type tag.
17659 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17661 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17662 alternatives to match style of other entries.
17663 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17665 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17667 PR tree-optimization/25771
17668 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17671 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17674 * tree-inline.c (declare_return_variable): If the return variable
17675 was marked as a non gimple complex, set the return slot variable
17676 to be a non gimple comple variable.
17678 2006-01-13 Richard Guenther <rguenther@suse.de>
17680 * builtins.c (expand_builtin_sincos): New function.
17681 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17683 (expand_builtin): Expand sincos using expand_builtin_sincos.
17685 2006-01-12 DJ Delorie <dj@redhat.com>
17687 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17688 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17689 so that constant shifts can be split.
17690 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17691 (m32c_valid_pointer_mode): Make static.
17692 (shift_gen_func_for): New.
17693 (m32c_prepare_shift): Use it. Split large const shifts into
17695 * config/m32c/predicates.md (shiftcount_operand): Allow more
17697 (longshiftcount_operand): New.
17698 * doc/md.texi (Machine Constraints): Document In6.
17700 2006-01-13 Ben Elliston <bje@au.ibm.com>
17702 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17703 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17706 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17708 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17709 to try to avoid clobbering pieces of structures when we know
17710 something about the whole structure.
17711 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17713 2006-01-13 Ben Elliston <bje@au.ibm.com>
17715 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17716 return in memory, as this is no limitation is no longer present.
17718 2006-01-12 DJ Delorie <dj@redhat.com>
17720 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17721 mova with fb, and for fb+0 -> An.
17723 * config/m32c/mov.md (peephole2): Fix enabling logic.
17725 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17726 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17727 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17728 FINI_ARRAY_SECTION_ASM_OP): Define.
17730 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17732 (m32c_legitimize_reload_address): New logic to reload FB to An.
17733 (m32c_output_reg_push): Add newline.
17734 (m32c_output_reg_pop): Likewise.
17736 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17738 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17740 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17742 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17744 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17746 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17749 2006-01-11 Ben Elliston <bje@au.ibm.com>
17751 * rtlanal.c (find_reg_note): Assert insn is not null.
17753 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17755 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17758 2006-01-11 Jeff Law <law@redhat.com>
17760 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17762 (mark_threaded_blocks, register_jump_thread): New functions.
17763 (thread_through_all_blocks): Remove unwanted argument. No
17764 longer rely on e->aux to communicate thread target info.
17765 Call mark_threaded_blocks. Release the threaded_blocks
17766 bitmap and threaded_edges vector when complete.
17767 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17768 (threaded_blocks): Remove.
17769 (tree_ssa_dominator_optimize): Remove initialization and
17770 finalization of threaded_blocks. Simplify call to
17771 thread_through_all_blocks.
17772 (thread_across_edge): Call register_jump_thread rather than
17773 storing thread information into e->aux.
17774 (free_all_edge_infos): Simplify now that e->aux is no longer
17775 used to communicate with thread_through_all_blocks.
17776 * tree-flow.h (thread_through_all_blocks): Update prototype.
17777 (register_jump_thread): Prototype.
17779 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17781 * df-core.c (df_compact_blocks, df_bb_replace): Use
17782 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17784 2006-01-11 Richard Guenther <rguenther@suse.de>
17786 PR tree-optimization/25734
17787 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17788 stop propagation after successful propagation to the LHS.
17790 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17792 * basic-block.h (control_flow_graph): Change the type of
17793 x_basic_block_info to VEC(basic_block,gc) *.
17794 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17796 (SET_BASIC_BLOCK): New.
17797 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17798 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17799 * cfgbuild.c (find_basic_blocks): Likewise.
17800 * cfglayout.c (fixup_reorder_chain): Likewise.
17801 * cfgrtl.c (create_basic_block_structure,
17802 rtl_create_basic_block): Likewise.
17803 * ifcvt.c (find_if_case_1): Likewise.
17804 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17807 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17809 * Makefile.in: Removed rotted odf.c entry.
17811 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17814 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17815 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17816 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17817 output pattern modifier, not %e.
17818 * config/cris/cris.c (cris_op_str): Update comment about pattern
17820 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17821 before falling through into...
17822 <case 'E'>: Redefined from old 'e' case.
17824 2006-01-11 Jan Hubicka <jh@suse.cz>
17827 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17829 2006-01-11 Jan Hubicka <jh@suse.cz>
17831 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17832 * i386.c (x86_decompose_lea): Kill.
17833 (ix86_rtx_costs): Kill.
17835 2006-01-11 Jan Hubicka <jh@suse.cz>
17837 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17838 * cgraph.h (cgraph_node): Add inline_decl.
17839 (cgraph_insert_node_to_hashtable): Declare.
17840 (save_inline_function_body): Declare.
17841 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17843 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17844 (cgraph_function_versioning): Update call of tree_function_versioning.
17845 (save_inline_function_body): New function.
17846 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17847 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17848 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17849 (cgraph_default_inline_p): Likewise.
17850 (cgraph_decide_inlining_incrementally): Likewise.
17851 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17852 (copy_bb): Kill saving; do updating of clones.
17853 (copy_cfg_body): Kill saving.
17854 (initialize_inlined-parameters): Likewise.
17855 (expand_call_inline): Likewise.
17857 (tree_function_versioning): New parameter "update_clones".
17858 (inlining_p): Kill saving.
17859 * tree-inline.h (tree_function_versioning): Update prototype.
17860 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17863 2006-01-11 Ian Lance Taylor <ian@airs.com>
17865 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17866 Allow undoing set of machine mode.
17867 (do_SUBST): Use enums instead of is_int.
17868 (do_SUBST_MODE): New function.
17869 (SUBST_MODE): New macro.
17870 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17871 reg and trying to replace reg_regno_rtx with a new register.
17872 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17873 (simplify_set): Use SUBST_MODE.
17874 (distribute_notes): Remove code that tried to update reg notes
17875 for regno_reg_rtx changes.
17877 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17879 PR tree-optimization/23109
17880 PR tree-optimization/23948
17881 PR tree-optimization/24123
17883 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17884 * tree-cfg.c (single_noncomplex_succ): New.
17885 * tree-flow.h (single_noncomplex_succ): Declare it.
17886 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17887 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17888 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17889 insert_bb, register_division_in, insert_reciprocals,
17890 replace_reciprocal, free_bb): New.
17891 (execute_cse_reciprocals_1): Rewritten.
17892 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17893 Do not commit any edge insertion. Always compute dominators and
17894 create the allocation pool.
17895 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17896 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17897 * targhooks.c (default_min_divistions_for_recip_mul): New.
17898 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17899 * passes.c (init_optimization_passes): Run recip after tree loop
17901 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17903 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17904 Kenneth Zadeck <zadeck@naturalbridge.com>
17906 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17907 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17908 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17909 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17910 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17911 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17912 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17913 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17914 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17915 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17916 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17917 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17918 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17919 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17920 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17921 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17922 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17923 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17924 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17925 DF_SCAN_POST_ALLOC): New macros.
17926 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17927 df_free_bb_function, df_local_compute_function, df_init_function,
17928 df_dataflow_function, df_confluence_function_0,
17929 df_confluence_function_n, df_transfer_function,
17930 df_finalizer_function, df_free_function, df_dump_problem_function,
17931 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17932 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17933 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17934 df_urec_bb_info, ) New types.
17935 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17937 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17938 df_analyze_simple_change_some_blocks,
17939 df_analyze_simple_change_one_block, df_compact_blocks,
17940 df_bb_replace, df_bb_regno_last_use_find,
17941 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17942 df_insn_regno_def_p, df_find_def, df_find_use,
17943 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17944 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17945 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17946 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17947 debug_df_chain, df_get_dependent_problem, df_chain_create,
17948 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17949 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17950 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17951 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17952 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17953 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17954 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17955 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17956 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17957 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17958 df_reorganize_refs, df_set_state, df_hard_reg_init,
17959 df_read_modify_subreg_p) New public functions.
17960 * df-core.c: The core dataflow solver and glue routines for rtl
17962 (df_init, df_add_problem, df_set_blocks, df_finish,
17963 df_hybrid_search_forward, df_hybrid_search_backward,
17964 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17965 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17966 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17967 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17968 df_reg_defined, df_find_use, df_reg_used, df_dump,
17969 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17970 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17971 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17972 debug_df_useno, reset_df_after_reload): New functions.
17973 * df-scan.c: The scanning fuctions, once in df.c, completely
17974 rewritten so that they now fully model the functionality of
17975 register usage at the backend.
17976 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17977 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17978 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17979 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17980 df_get_artificial_defs, df_get_artificial_uses,
17981 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17982 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17983 df_refs_delete, df_reorganize_refs, df_set_state,
17984 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17985 df_def_record_1, df_defs_record, df_uses_record,
17986 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17987 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17988 df_record_exit_block_uses, df_hard_reg_init): New functions.
17990 * df-problems.c: Seven concrete dataflow problems that use the
17991 scanning in df-scan.c and are solved by the engine in df-core.c.
17992 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17993 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17994 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17995 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17996 df_ru_free_bb_info, df_ru_alloc,
17997 df_ru_bb_local_compute_process_def,
17998 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17999 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18000 df_ru_transfer_function, df_ru_free, df_ru_dump,
18001 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18002 df_rd_free_bb_info, df_rd_alloc,
18003 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18004 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18005 df_rd_transfer_function, df_rd_free, df_rd_dump,
18006 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18007 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18008 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18009 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18010 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18011 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18012 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18013 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18014 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18015 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18016 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18017 df_urec_mark_reg_use_for_earlyclobber,
18018 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18019 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18020 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18021 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18022 df_chain_create_bb_process_use, df_chain_create_bb,
18023 df_chain_finalize, df_chain_free, df_chains_dump,
18024 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18025 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18026 df_reg_lifetime): New functions.
18027 * df.c: Deleted file.
18028 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18029 consistent with new df api.
18030 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18031 rest_of_handle_sms): Ditto.
18032 * web.c (unionfind_union, union_defs, entry_register, web_main):
18034 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18035 invariant_expr_equal_p, find_defs, check_dependencies,
18036 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18037 free_inv_motion_data, move_loop_invariants): Ditto.
18038 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18039 Update dependencies.
18040 (odf.c): Added defective entry that was deleted later in day.
18041 * sched-deps.c (sched_analyze_1): Ditto.
18043 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18045 * tree-ssa-operands.c (get_expr_operands): Record addressable
18046 variables directly. Do not call add_stmt_operands for CONST_DECLs
18048 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18049 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18051 2006-01-11 Ben Elliston <bje@au.ibm.com>
18053 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18054 function returns true in the positive case.
18056 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18059 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18060 for SI, DI, SF and DF modes. Add alternatives to copy between
18061 general and floating point registers to the 32-bit patterns.
18062 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18063 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18064 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18065 generating 64-bit code.
18066 * config/pa/pa.c (output_move_double): Handle copies between general
18067 and floating registers.
18069 2006-01-10 Stuart Hastings <stuart@apple.com>
18071 * config/i386/i386.md (set_got): Update.
18072 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18073 (builtin_setjmp_receiver): Mach-O support.
18074 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18075 (GOT_SYMBOL_NAME): Define.
18076 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18077 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18078 * config/i386/i386.c (override_options): Revise for Darwin.
18079 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18080 support. (darwin_x86_file_end): New. (output_set_got): Add label
18081 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18082 * config/i386/i386-protos.h (output_set_got): Likewise.
18083 * config/darwin.c (machopic_legitimize_pic_address): Update
18086 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18088 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18089 when MODE isn't BLKmode.
18091 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18093 PR rtl-optimization/25367
18094 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18096 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18099 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18100 for a negative bound.
18102 2006-01-10 Richard Guenther <rguenther@suse.de>
18104 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18105 Never override with anything constraint.
18107 2006-01-10 Jan Beulich <jbeulich@novell.com>
18109 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18110 256 bits when optimize_size.
18112 2006-01-10 Jan Beulich <jbeulich@novell.com>
18114 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18116 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18117 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18120 2006-01-10 Ben Elliston <bje@au.ibm.com>
18122 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18124 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18125 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18126 (USE_FP_FOR_ARG): Reject decimal float modes.
18127 (function_arg_advance): Likewise.
18128 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18129 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18130 point types in AltiVec vectors.
18131 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18132 (rs6000_libcall_value): Likewise.
18134 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18136 * config/xtensa/ieee754-df.S: New file.
18137 * config/xtensa/ieee754-sf.S: New file.
18138 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18139 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18140 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18142 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18144 * config/sh/predicates.md (binary_float_operator,
18145 binary_logical_operator, commutative_float_operator,
18146 equality_comparison_operator, greater_comparison_operator,
18147 less_comparison_operator, logical_operator,
18148 noncommutative_float_operator, shift_operator,
18149 symbol_ref_operand, unary_float_operator): Remove redundant
18152 2006-01-09 Jeff Law <law@redhat.com>
18154 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18155 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18156 now unused arguments. Callers updated.
18157 (eliminate_redundant_computations): Remove now unused arguments,
18159 (local_fold): Remove, no longer used.
18160 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18162 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18163 (simplify_cond): New function.
18164 (forward_propagate_into_cond): Call simplify_cond.
18166 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18168 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18169 (*vec_extractv2di_1_sse): New.
18171 2006-01-09 Ben Elliston <bje@au.ibm.com>
18173 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18175 2006-01-08 Richard Guenther <rguenther@suse.de>
18177 * tree-ssa-structalias.c (get_constraint_for): Remove
18178 anyoffset argument.
18179 (get_constraint_for_component_ref): Likewise.
18180 (do_deref): Likewise.
18181 (get_constraint_for): Likewise.
18182 (do_structure_copy): Likewise.
18183 (handle_ptr_arith): Likewise.
18184 (find_func_aliases): Likewise. Remove unused need_anyoffset
18187 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18188 Kaz Kojima <kkojima@gcc.gnu.org>
18190 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18191 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18192 (EXTRA_CONSTRAINT_C16): Remove.
18193 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18194 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18195 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18196 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18197 constants of SHmedia. Handle nested constant expressions of
18199 (andcosts): Fix the costs for SHmedia constants.
18200 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18201 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18202 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18203 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18204 (movv4hi_i, movv2si_i): Likewise.
18205 (movsi_const): Adjust the second operand of ior so to match with
18206 the Csu constraint.
18207 (movdi_const, movdi_const_32bit): Likewise.
18208 (movdi_const_16bit+1): Don't sign-extend LOW.
18209 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18211 (*double_shori): Fix the split condition. Use GEN_INT instead
18212 of get_int_mode calls. Mask lower 16-bit of the argument of
18214 (sym2GOTPLT): Remove.
18215 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18217 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18218 instead of EXTRA_CONSTRAINT_C16.
18220 2006-01-07 Ian Lance Taylor <ian@airs.com>
18221 David Edelsohn <edelsohn@gnu.org>
18223 PR rtl-optimization/25662
18224 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18225 for constant operands instead of simplify_gen_binary.
18226 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18227 after trying simplify_binary_operation
18229 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18231 * tree.c (iterative_hash_expr): Hash decls based on UID.
18233 2006-01-06 Eric Christopher <echristo@apple.com>
18235 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18236 (TARGET_UNWIND_EMIT): Fix spelling.
18237 * target.h (gcc_target): Add except_table_label.
18238 * except.c (output_function_exception_table): Use.
18239 * varasm.c (default_emit_except_table_label): New.
18240 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18242 (asm_out): Add here.
18243 * output.h (default_emit_except_table_label): Prototype.
18244 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18245 * config/darwin.c (darwin_emit_except_table_label): Define.
18246 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18248 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18250 PR tree-optimization/18527
18251 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18252 number_of_iterations_special, number_of_iterations_exit):
18253 Move base and step of an iv to a single structure. Add
18254 no_overflow flag, and use it in # of iterations analysis.
18255 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18256 folded_casts argument.
18257 (simple_iv): Pass base and step in a structure. Set no_overflow
18259 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18260 Evaluate expensiveness of computing # of iterations instead of
18261 the final expression.
18262 * tree-scalar-evolution.h (affine_iv): New structure.
18263 (simple_iv): Declaration changed.
18264 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18265 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18266 find_givs_in_stmt): Changed due to simple_iv change.
18268 2006-01-06 Jeff Law <law@redhat.com>
18271 * tree-cfg.c (bsi_replace): Rename final argument from
18272 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18273 change (stmt -> orig_stmt).
18274 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18275 (bsi_remove): Add new argument. Remove EH information
18277 (verify_eh_throw_table_statements): New function.
18278 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18280 * tree-optimize.c (execute_free_cfg_annotations): Verify
18281 the EH throw statement table after removing annotations.
18282 * except.h (verify_eh_throw_table_statements): Prototype.
18283 * tree-flow.h (bsi_remove): Update prototype.
18284 * tree-vrp.c (remove_range_assertions): Add new argument to
18286 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18287 * tree-complex.c (expand_complex_div_wide): Likewise.
18288 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18289 * tree-tailcall.c (eliminate_tailcall): Likewise.
18290 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18291 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18292 * tree-nrv.c (tree_nrv): Likewise.
18293 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18294 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18295 (combine_blocks): Likewise.
18296 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18297 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18298 (cleanup_control_flow): Likewise.
18299 (remove_forwarder_block): Likewise.
18300 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18301 * tree-sra.c (sra_replace): Likewise.
18302 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18303 (forward_propagate_single_use_vars): Likewise.
18304 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18305 * tree-inline.c (expand_call_inline): Likewise.
18306 * tree-vect-transform.c (vect_transform_loop): Likewise.
18307 * tree-outof-ssa.c (rewrite_trees): Likewise.
18308 * tree-cfg.c (make_goto_expr_edges): Likewise.
18309 (cleanup_dead_labels): Likewise.
18310 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18311 (bsi_move_before, bsi_move_after): Likewise.
18312 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18313 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18315 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18318 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18320 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18321 on non gimple variables. Also add checks at the top for decls and
18323 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18325 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18326 and IMAGPART_EXPR for creating MUST_DEFs.
18327 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18328 and NAME_MEMORY_TAG separately from the DECLs.
18330 2006-01-06 Richard Guenther <rguenther@suse.de>
18332 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18333 annotation, if necessary.
18334 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18335 redundant calls to update_stmt.
18336 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18339 2006-01-05 Richard Henderson <rth@redhat.com>
18341 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18343 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18345 * c-typeck.c: Update copyright date.
18347 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18349 * c-typeck.c (build_c_cast): Always warn when casting
18350 from a pointer to an integer of different size, even if
18351 the node was constant.
18353 2006-01-05 Richard Guenther <rguenther@suse.de>
18355 PR tree-optimization/22555
18356 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18357 if one structure field is an array.
18358 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18359 operands even if we found a subvar, but ignore VOPs in this
18361 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18363 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18365 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18367 PR middle-end/24998
18368 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18370 2006-01-05 Richard Guenther <rguenther@suse.de>
18371 Diego Novillo <dnovillo@redhat.com>
18373 * tree-pass.h (TODO_remove_unused_locals): Define.
18374 * gimple-low.c (expand_var_p, remove_useless_vars,
18375 pass_remove_useless_vars): Remove. Update all users.
18376 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18377 (remove_unused_locals): New function.
18378 * tree-flow.h (remove_unused_locals): Declare.
18379 * passes.c (execute_todo): Call remove_unused_locals if
18380 TODO_remove_unused_locals is set.
18381 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18382 * tree-ssa-dce.c (pass_dce): Likewise.
18383 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18385 2006-01-05 Richard Guenther <rguenther@suse.de>
18387 * tree-flow.h (struct fieldoff): Decompose field to
18388 type, size and decl.
18389 * tree-ssa-alias.c (create_sft): Take type as parameter.
18390 (create_overlap_variables_for): Store type, size and decl
18391 in the fieldoff structure.
18392 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18393 of struct fieldoff.
18394 (push_fields_onto_fieldstack): Likewise.
18395 (create_variable_info_for): Likewise. Use offset for the
18396 SFT name if the decl is not available.
18398 2006-01-04 Paul Brook <paul@codesourcery.com>
18400 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18402 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18404 * lambda-code.c (can_put_in_inner_loop): Relax
18406 (can_put_after_inner_loop): New function.
18407 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18408 (perfect_nestify): Change to make copies and modify uses.
18410 2006-01-04 Richard Henderson <rth@redhat.com>
18412 Merge from gomp branch:
18413 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18414 via integer constant.
18415 (pragma_lex): Remove.
18416 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18417 rather than parsing it.
18418 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18419 handle_pragma_extern_prefix): Add %< %> quotes.
18420 (registered_pragmas): New.
18421 (c_register_pragma_1): New.
18422 (c_register_pragma): Use it.
18423 (c_register_pragma_with_expansion): Likewise.
18424 (c_invoke_pragma_handler): New.
18425 (init_pragma): Use cpp_register_deferred_pragma directly for
18427 * c-pragma.h (enum pragma_kind): New.
18428 (pragma_handler): New.
18429 (c_invoke_pragma_handler): Declare.
18430 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18432 * c-common.h (c_common_pch_pragma): Update decl.
18433 * Makefile.in (c-parser.o): Update dependencies.
18434 (GTFILES): Add c-pragma.h.
18435 * c-parser.c (struct c_token): Add pragma_kind.
18436 (struct c_parser): Add in_pragma.
18437 (c_lex_one_token): Always initialize keyword and pragma_kind.
18438 Extract data for CPP_PRAGMA.
18439 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18440 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18441 Don't allow CPP_PRAGMA_EOL if in_pragma.
18442 (c_parser_consume_pragma): New.
18443 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18444 (c_parser_skip_to_end_of_parameter): Likewise.
18445 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18446 (c_parser_skip_to_pragma_eol): New.
18447 (c_parser_external_declaration): Handle CPP_PRAGMA.
18448 (c_parser_compound_statement_nostart): Likewise.
18449 (c_parser_statement_after_labels): Likewise.
18450 (c_parser_pragma): New.
18451 (pragma_lex): Likewise.
18452 (c_parser_pragma_pch_preprocess): New.
18453 (c_parser_new): Merge into ...
18454 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18456 2006-01-04 Jeff Law <law@redhat.com>
18459 * tree-cfg.c (bsi_replace): Remove the original statement
18460 from the EH throw statement table.
18462 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18464 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18465 make the prototype extern "C" and add throw ().
18468 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18469 and pos non-negative and pos + len <= 32.
18470 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18471 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18472 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18475 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18476 as well as sizes not multiple of component size.
18479 * function.c (instantiate_expr): New function.
18480 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18481 walk its DECL_VALUE_EXPR with instantiate_expr.
18483 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18484 DW_OP_deref{,_size} if address isn't going to be added.
18486 2006-01-04 Ben Elliston <bje@au.ibm.com>
18488 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18489 * config/fp-bit.c: Likewise.
18491 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18493 * dominance.c: Add comment about why we use DFS numbering
18496 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18497 Richard Henderson <rth@redhat.com>
18499 Merge from gomp-branch:
18500 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18501 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18503 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18505 PR rtl-optimization/25578
18506 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18507 pass a parameter to simplify_shift_const if changing ASHIFTRT
18510 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18512 * builtins.c (get_builtin_sync_mem): New function.
18513 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18514 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18515 Call get_builtin_sync_mem to generate mem rtx.
18517 2006-01-03 Richard Guenther <rguenther@suse.de>
18520 * stmt.c (add_case_node): Make sure to clear overflow flags
18523 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18525 Merge from gomp-branch.
18526 * config/sparc/sync.md: New file.
18527 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18528 UNSPECV_LDSTUB): New constants.
18529 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18530 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18531 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18534 2006-01-03 Roger Sayle <roger@eyesopen.com>
18536 * combine.c (reg_subword_p): New predicate to test whether the
18537 destination of a set refers to a subword/piece of a register.
18538 (try_combine): Generalize the code to merge the setting of a
18539 pseudo to a constant followed by a set of a subword of that
18540 register to a constant.
18542 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18544 * basic-block.h (control_flow_graph): Change the type of
18545 x_label_to_block_map to VEC(basic_block,gc) *.
18546 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18547 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18549 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18550 VEC(basic_block,heap) *.
18551 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18552 ssa_prop_fini): Adjust the uses of cfg_blocks.
18554 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18556 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18558 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18559 hashing trees instead of a pointer hash.
18560 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18561 compare for MEM_EXPR.
18563 PR rtl-optimization/25130
18564 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18565 when comparing MEMs for GCSE
18567 2006-01-03 Ben Elliston <bje@au.ibm.com>
18569 * targhooks.h (default_decimal_float_supported_p): Declare.
18570 * targhooks.c (default_decimal_float_supported_p): Define.
18571 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18572 `default_decimal_float_supported_p'.
18573 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18575 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18577 * combine.c (apply_distributive_law <SUBREG>): Check
18578 TRULY_NOOP_TRUNCATION.
18580 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18582 * dwarf2out.c (have_switched_text_section): Delete.
18583 (have_multiple_function_sections): New.
18584 (have_location_lists): Make 'bool'.
18585 (add_AT_loc_list): Use 'true' not '1'.
18586 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18587 (output_loc_list): Use have_multiple_function_sections.
18588 (output_ranges): Likewise.
18589 (dwarf2out_begin_function): Set have_multiple_function_sections if
18591 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18592 Check function_section rather than DECL_SECTION_NAME.
18593 (dwarf2out_finish): Use have_multiple_function_sections.
18594 Don't clear have_location_lists.
18596 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18597 Jan Hubicka <jh@suse.cz>
18599 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18600 case of conditional jump jumping to the next instruction.
18601 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18602 cases of conditional jump jumping to the next instruction.
18604 2006-01-02 Jan Hubicka <jh@suse.cz>
18606 * i386.c (*_cost): Add COSTS_N_INSNS.
18607 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18609 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18612 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18614 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18616 * config/arm/arm.c (all_fpus): Fix comment typo.
18617 * config/darwin.c: Likewise.
18618 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18619 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18620 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18622 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18624 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18625 (rs6000_split_compare_and_swapqhi): New.
18626 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18627 (sync_compare_and_swapqhi_internal): New.
18628 * config/rs6000/rs6000-protos.h: Declare.