1 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2 Zdenek Dvorak <dvorakz@suse.cz>
4 PR tree-optimization/29680
5 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
8 2006-11-12 Jason Merrill <jason@redhat.com>
9 Andrew Pinski <pinskia@physics.uc.edu>
12 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
14 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
16 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
17 * tree.c (build_vector): Handle non-_CST elements.
19 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
21 * genemit.c (gen_insn): Call gen_exp with a non-null used
22 when handling multiple insns.
23 (gen_expand): Likewise.
24 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
25 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
26 (movsi_const_16bit+1): Copy operands[1].
27 (call_pcrel): Copy the call_site pattern.
28 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
30 2006-11-12 Roger Sayle <roger@eyesopen.com>
32 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
33 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
34 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
35 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
37 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
39 Fix PR tree-optimization/29587
40 * tree-ssa-structalias.c (process_constraint): Don't
41 mark address taken due only to escaped vars constraint.
43 2006-11-12 Michael Matz <matz@suse.de>
44 Roger Sayle <roger@eyesopen.com>
46 PR rtl-optimization/29797
47 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
48 BITS_BIG_ENDIAN targets.
50 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * builtins.c (fold_builtin_cosh): New.
53 (fold_builtin_1): Use it.
54 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
55 trunc to the list of "odd" functions. Also add llrint, lrint,
56 rint and nearbyint when flag_rounding_math is false.
58 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
60 * tree-flow.h (name_mappings_registered_p): Declare.
61 * tree-into-ssa.c (name_mappings_registered_p): New function.
62 * tree-cfg.c (tree_can_merge_blocks_p): Check
63 name_mappings_registered_p instead of need_ssa_update_p.
65 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
67 * tree-ssa-loop.c (tree_vectorize): Return the result of
69 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
71 * tree-vectorizer.h (vectorize_loops): Declaration removed.
72 * tree-flow.h (vectorize_loops): Declaration changed.
74 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
76 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
78 (issue_prefetch_ref): Move assignment to write_p out of loop.
79 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
80 SIMULTANEOUS_PREFETCHES into account.
81 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
82 * lambda-code.c (lcm): Renamed to ...
83 (least_common_multiple): ... and exported.
84 * tree-flow.h (least_common_multiple): Declare.
86 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
88 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
89 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
90 ud-chains. Handle AND_EXPR.
91 (record_estimate): Record whether the estimate is realistic
92 and whether it is derived from a loop exit.
93 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
94 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
96 (compute_estimated_nb_iterations): Take only realistic bounds into
97 account. Set estimate_state. Use double_ints.
98 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
99 and infer_loop_bounds_from_signedness. Do not consider basic blocks
100 that do not have to be always executed.
101 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
102 to determine whether to call infer_loop_bounds_from_undefined
103 and compute_estimated_nb_iterations.
104 (n_of_executions_at_most): Use double_ints.
105 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
106 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
107 * double-int.c (double_int_to_tree): Improve comment.
108 (double_int_fits_to_tree_p): New function.
109 * double-int.h (double_int_fits_to_tree_p): Declare.
110 * tree-data-ref.c: Include langhooks.h.
111 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
112 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
113 (analyze_array): Do not pass estimate_only argument to
114 analyze_array_indexes.
115 (get_number_of_iters_for_loop): Build tree from the stored double_int
117 (get_references_in_stmt, find_data_references_in_stmt): New functions.
118 (find_data_references_in_loop): Use find_data_references_in_stmt.
119 * tree-data-ref.h (struct data_ref_loc_d): New.
120 (get_references_in_stmt): Declare.
121 (estimate_iters_using_array): Declaration removed.
122 * cfgloop.h (struct nb_iter_bound): Change type of bound to
123 double_int. Improve comments. Add is_exit and realistic
125 (struct loop): Changed type of estimated_nb_iterations to double_int.
126 Added estimate_state field.
127 (record_estimate): Declaration removed.
129 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
131 * params.c (set_param_value): Initialize the "set" field.
132 * params.h (struct param_info): Add "set" field.
133 (PARAM_SET_P): New macro.
134 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
135 L1_CACHE_LINE_SIZE): New macros.
136 * toplev.c (DEFPARAM): Initialize the "set" field.
137 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
138 SIMULTANEOUS_PREFETCHES): Removed.
139 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
140 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
141 * config/sparc/sparc.c: Include params.h.
142 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
143 L1_CACHE_LINE_SIZE parameters.
144 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
146 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
148 * config/i386/i386.c: Include params.h.
149 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
150 (override_options): Set SIMULTANEOUS_PREFETCHES and
151 L1_CACHE_LINE_SIZE parameters.
152 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
153 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
154 L1_CACHE_LINE_SIZE parameters.
155 * config/ia64/ia64.c (ia64_optimization_options): Set
156 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
157 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
159 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
160 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
161 * doc/invoke.texi: Document new params.
163 2006-11-12 Roger Sayle <roger@eyesopen.com>
165 PR tree-optimization/13827
166 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
169 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
171 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
172 update_single_exit_for_duplicated_loops): New functions.
173 (duplicate_loop_to_header_edge): Use
174 update_single_exit_for_duplicated_loops.
175 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
176 functions only with ENABLE_CHECKING.
178 2006-11-12 Andreas Schwab <schwab@suse.de>
180 * except.c (sjlj_emit_function_enter): Remove unused variable.
182 2006-11-11 Roger Sayle <roger@eyesopen.com>
184 * fold-const.c (int_binop_types_match_p): New function.
185 (size_binop): Relax constraint that both arguments must both have
186 exactly the same sizetype type. Instead use int_binop_types_match_p.
187 (size_diffop): Likewise.
189 (make_range): Use build_int_cst instead of fold_convert.
190 (fold_cond_expr_with_comparison): Use build_int_cst to construct
191 integer constants of the correct type.
192 (fold_div_compare): Likewise.
193 (fold_single_bit_test): Likewise.
194 (fold_binary): Likewise.
195 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
196 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
198 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
201 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
202 non null value if the struct memory access is in the 0th
205 2006-11-12 Jie Zhang <jie.zhang@analog.com>
208 2006-11-11 Jie Zhang <jie.zhang@analog.com>
209 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
212 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
213 instead of builtin_define for bfin and BFIN.
215 2006-11-11 Jie Zhang <jie.zhang@analog.com>
217 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
220 2006-11-11 Jan Hubicka <jh@suse.cz>
222 * extended.texi (__builtin_expect): We no longer require second argument
224 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
225 * builtins.c (expand_builtin_expect): Simplify.
226 (expand_builtin_expect_jump): Kill.
227 * final.c (final_scan_insn): Do not skip the removed notes.
228 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
229 EXPECTED_VALUE): Remove.
230 * dojump.c (do_jump): Do not care about __builtin_expect.
231 * predict.c (expected_value_to_br_prob): Kill.
232 * function.c (expand_function_end): Do not expand
233 NOTE_INSN_REPEATED_LINE_NUMBER.
234 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
235 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
236 * cfgexpand.c (add_reg_br_prob_note): Export.
237 * cfgcleanup.c (rest_of_handle_jump2): Do not call
238 expected_value_to_br_prob.
239 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
240 * rtl.h (add_reg_br_prob_note): Declare.
242 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
246 2006-11-11 Jan Hubicka <jh@suse.cz>
248 * predict.c (predict_loops): Kill RTL variant.
250 2006-11-11 Jan Hubicka <jh@suse.cz>
252 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
253 * modulo-sched.c (find_line_note): Remove.
254 (loop_canon_p): Do not worry about line number notes.
255 (sms_schedule): Likewise.
256 * cse.c (cse_main): Likewise.
257 * regmove.c (fixup_match_1): Likewise
258 * function.c (emit_return_info_block): Likewise.
259 (expand_function_end): Likewise.
260 (thread_prologue_an_epilogue_insns): Likewise.
261 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
263 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
264 emit_note_copy_after): Kill.
265 (emit_note_copy): Do not worry about line numbers.
266 * jump.c (purge_line_number_notes): Kill.
267 (pass_purge_lineno_notes): Kill.
268 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
270 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
271 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
272 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
273 * tree-pass.h (pass_purge_lineno_notes): Kill.
274 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
275 rm_redundant_line_notes.
276 * sched-rgb.c (schedule_region): Don't rm_line_notes,
277 rm_redundant_line_notes.
278 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
279 * haifa-sched.c: Update comment about handling notes.
280 (unlink_line_notes): Kill.
281 (rm_line_notes): Kill.
282 (save_line_notes): Simplify.
283 (rm_redundant_line_notes): Kill.
285 2006-11-11 Richard Guenther <rguenther@suse.de>
287 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
288 Remove unused tree codes.
289 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
290 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
291 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
292 * tree.c (stabilize_reference): Likewise.
293 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
294 fold_unary): Likewise.
295 * tree-gimple.c (is_gimple_cast): Likewise.
296 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
297 * expr.c (expand_expr_real_1): Likewise.
298 * tree-eh.c (tree_could_trap_p): Likewise.
299 * gimplify.c (gimplify_expr): Likewise.
300 * tree-inline.c (estimate_num_insns_1): Likewise.
301 * tree-cfg.c (verify_expr): Likewise.
303 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
305 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
306 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
307 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
309 2006-11-11 Richard Sandiford <richard@codesourcery.com>
312 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
313 constraints accept neither registers or memories.
315 2006-11-11 Jie Zhang <jie.zhang@analog.com>
317 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
318 (NO_PROFILE_COUNTERS): Define as 1.
320 2006-11-10 Roger Sayle <roger@eyesopen.com>
322 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
323 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
325 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
327 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
329 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
332 (fold_builtin_hypot): Likewise.
333 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
335 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
337 2006-11-10 Roger Sayle <roger@eyesopen.com>
339 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
340 when attempting to build INTEGER_CSTs of non-integral types.
341 * expmed.c (make_tree): Use the correct type, i.e. the inner
342 type, when constructing the individual elements of a CONST_VECTOR.
344 2006-11-10 Jan Hubicka <jh@suse.cz>
346 * cse.c (cse_process_notes): Copy the propagated value.
347 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
349 * gcse.c (try_replace_reg): Copy the replacement.
350 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
351 (assign_386_stack_local): Always return copied memory expression
352 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
355 2006-11-10 Jan Hubicka <jh@suse.cz>
357 * final.c (final): Walk from first instruction.
358 * cfglayout.c (insn_locators_initialize): Remove line number notes.
360 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
363 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
365 (umulv8hi3_highpart): Ditto.
366 (vec_widen_smult_hi_v8hi): New expander.
367 (vec_widen_smult_lo_v8hi): Ditto.
369 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * builtins.c (do_mpfr_arg3): New.
373 (fold_builtin_1): Handle builtins fma, fmin and fmax.
375 2006-11-09 Eric Christopher <echristo@apple.com>
380 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
381 * config.gcc (powerpc64-*-darwin*): New target.
382 * config.host: Ditto.
383 * config/rs6000/darwin64.h: New file.
384 * config/rs6000/x-darwin64: Ditto.
385 * config/rs6000/host-ppc64-darwin.c: Ditto.
387 2006-11-09 Steve Ellcey <sje@cup.hp.com>
389 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
390 routines for integer division.
392 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
394 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
396 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
399 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
401 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
403 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
404 simplify_subreg with BLKmode outer mode.
406 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
408 * doc/invoke.texi: Minor formatting fixes in option lists.
410 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
412 PR tree-optimization/29738
413 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
414 (ccp_lattice_t): Remove UNKNOWN_VAL.
415 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
416 Do not handle UNKNOWN_VAL.
417 (get_default_value): Set initial value of virtual operands to
419 (get_value): Always use get_default_value on uninitialized
421 (set_value_varying, surely_varying_stmt_p): New functions.
422 (set_lattice_value): Do not pass argument to get_value.
423 Do not handle UNKNOWN_VAL.
424 (likely_value): Follow the semantics described in the comment.
425 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
426 phi nodes DONT_SIMULATE_AGAIN.
427 (ccp_fold): Do not pass argument to get_value.
428 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
431 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
433 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
434 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
436 2006-11-08 Roger Sayle <roger@eyesopen.com>
438 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
439 test for inclusion rather than as a test for exclusion.
440 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
441 the condition after calling fold_binary.
442 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
443 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
444 * builtins.c (fold_builtin_isascii): Likewise.
445 (fold_builtin_isdigit): Likewise.
447 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
449 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
450 * configure: Regenerate.
452 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
454 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
455 enum argument instead of bool.
456 (vect_analyze_operations): Call vectorizable_type_promotion.
457 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
458 stmt_vec_info_type value.
459 (supportable_widening_operation, vectorizable_type_promotion): New
460 function declarations.
461 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
462 (vectorizable_type_promotion): New function.
463 (vect_transform_stmt): Call vectorizable_type_promotion.
464 * tree-vect-analyze.c (supportable_widening_operation): New function.
465 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
467 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
470 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
471 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
472 * tree-inline.c (estimate_num_insns_1): Add cases for above new
474 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
475 * expr.c (expand_expr_real_1): Likewise.
476 * optabs.c (optab_for_tree_code): Likewise.
477 (init_optabs): Initialize new optabs.
478 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
479 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
480 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
481 vec_unpacku_lo_optab): Initialize new optabs.
482 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
483 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
484 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
486 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
487 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
488 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
489 (vec_unpacku_lo_optab): New optabs.
490 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
491 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
492 (vec_widen_smult_hi, vec_widen_smult_lo): New.
493 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
494 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
495 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
497 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
498 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
499 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
500 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
501 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
502 implement the unsigned unpacking patterns.
503 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
504 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
505 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
506 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
507 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
508 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
509 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
510 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
511 multiplication patterns.
513 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
514 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
515 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
516 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
517 (rs6000_builtin_mul_widen_odd): New.
518 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
519 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
520 * tree-vectorizer.h (enum vect_relevant): New enum type.
521 (_stmt_vec_info): Field relevant chaned from bool to enum
523 (STMT_VINFO_RELEVANT_P): Updated.
524 (STMT_VINFO_RELEVANT): New.
525 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
526 instead of STMT_VINFO_RELEVANT_P.
527 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
528 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
529 and boolean variable with enum vect_relevant.
530 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
531 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
532 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
534 2006-11-08 Richard Henderson <rth@redhat.com>
536 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
537 vec_widen_umult_lo_v8hi): New.
538 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
539 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
541 * config/i386/i386.c (ix86_expand_sse_unpack): New.
542 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
543 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
544 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
545 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
546 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
547 vec_unpacks_lo_v4si): New.
549 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
551 * tree-vect-transform.c (vectorizable_type_demotion): New function.
552 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
553 (vect_analyze_operations): Call vectorizable_type_demotion.
554 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
555 stmt_vec_info_type value.
556 (vectorizable_type_demotion): New function declaration.
557 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
560 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
561 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
563 * tree-iniline.c (estimate_num_insns_1): Likewise.
564 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
565 * optabs.c (optab_for_tree_code): Likewise.
567 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
568 compared against the predicate of the result is not 'mode' (the input
569 to the function) but a mode with half the size of 'mode'.
570 (init_optab): Initialize new optabs.
571 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
573 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
575 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
576 (vec_pack_usat_optab): Initialize new optabs.
577 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
578 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
580 2006-11-08 Richard Henderson <rth@redehat.com>
582 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
583 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
584 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
585 (vec_interleave_highv4si, vec_interleave_lowv4si):
586 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
588 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
590 * tree-vect-transform.c (vectorizable_reduction): Support multiple
592 (vect_transform_stmt): Removed redundant code.
594 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
596 * tree-vect-transform.c (vectorizable_operation): Support multiple
599 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
601 * tree-vect-transform.c (vect_align_data_ref): Removed.
602 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
603 Updated function documentation. Return the increment stmt in ptr_incr.
604 (bump_vector_ptr): New function.
605 (vect_get_vec_def_for_stmt_copy): New function.
606 (vect_finish_stmt_generation): Create a stmt_info to newly created
608 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
610 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
611 VF is greater than the number of elements that can fit in one vector
613 (vectorizable_operation, vectorizable_condition): Likewise.
614 (vectorizable_store, vectorizable_load): Support the case that the VF
615 is greater than the number of elements that can fit in one vector word.
616 (vect_transform_loop): Don't fail in case of multiple data-types.
617 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
618 in case of multiple data-types; the smallest type determines the VF.
619 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
620 if they are of different sizes.
621 (vect_update_misalignment_for_peel): Compare misalignments in terms of
622 number of elements rather than number of bytes.
623 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
624 (vect_can_advance_ivs_p): Fix a dump printout
626 2006-11-07 Eric Christopher <echristo@apple.com>
628 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
630 * libgcc2.h: Remove transformation of bswap routines.
631 * config/i386/i386.md (bswapsi2): New.
634 2006-11-07 Jakub Jelinek <jakub@redhat.com>
636 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
637 (handle_gnu_inline_attribute): New function.
638 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
639 (merge_decls, start_decl, start_function): Likewise.
640 * doc/extend.texi: Document gnu_inline attribute.
642 2006-11-07 Steve Ellcey <sje@cup.hp.com>
645 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
646 _fixunstfdi, and _floatditf
648 2006-11-06 Anatoly Sokolov <aesok@post.ru>
650 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
652 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
653 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
654 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
655 which start in an odd register.
657 2006-11-07 Richard Sandiford <richard@codesourcery.com>
659 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
661 2006-11-07 Josh Conner <jconner@apple.com>
663 * doc/invoke.texi (fstrict-aliasing): Move implementation
665 * doc/tree-ssa.texi (Alias analysis): ...here.
667 2006-11-07 Richard Guenther <rguenther@suse.de>
669 PR tree-optimization/29610
670 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
671 of tree_purge_dead_eh_edges as it may free dominators.
673 * g++.dg/other/pr29610.C: New testcase.
675 2006-11-07 David Ung <davidu@mips.com>
677 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
678 costs when optimizing for size.
679 (override_options): Use mips_rtx_cost_optimize_size table for cost
682 2006-11-07 Jie Zhang <jie.zhang@analog.com>
684 * gcc.c (process_command): Treat -b as normal switch if its argument
687 2006-11-07 David Ung <davidu@mips.com>
689 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
692 2006-11-06 Eric Christopher <echristo@apple.com>
694 * config.gcc: Add x86_64-darwin host support.
695 * config.host: Ditto.
696 * config/i386/darwin64.h: New file.
697 * config/i386/t-darwin64: Ditto.
699 2006-11-06 Janis Johnson <janis187@us.ibm.com>
701 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
702 and output-exists-not.
704 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
707 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
708 checking for overflow.
710 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
712 * configure.ac: Fixed typo in case statement: :: changed to ;;
714 2006-11-06 Bob Wilson <bob.wilson@acm.org>
716 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
717 count_leading_zeros, and count_trailing_zeros.
718 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
719 (TARGET_FOLD_BUILTIN): Define.
720 (TARGET_EXPAND_BUILTIN): Define.
721 (xtensa_init_builtins): New.
722 (xtensa_fold_builtin): New.
723 (xtensa_expand_builtin): New.
724 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
725 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
726 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
727 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
728 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
729 (any_extend): New code macro.
730 (u, su): New code attributes.
731 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
732 (nsau): Remove; replaced by clzsi2.
733 (ffssi2): Use clzsi2.
734 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
735 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
736 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
737 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
738 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
740 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
742 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
744 * config/arm/t-strongarm-elf: Likewise.
745 * config/arm/t-pe: Likewise.
746 * config/arm/t-arm-elf: Likewise.
747 * config/arm/t-xscale-elf: Likewise.
748 * config/arm/t-arm-coff: Likewise.
749 * config/arm/t-xscale-coff: Likewise.
750 * config/arm/t-wince-pe: Likewise.
752 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
754 * config/sh/lib1funcs-4-300.asm: Guard entire file with
757 2006-11-05 Jakub Jelinek <jakub@redhat.com>
760 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
763 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
766 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
767 as a valid 80387 constant.
768 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
769 * config/i386/i386.md (unnamed splitter): Split the load of
770 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
773 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
775 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
776 from the soft-frame, argument and virtual registers.
778 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
780 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
781 patterns for standard 80387 constants.
783 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
784 Steven Bosscher <steven@gcc.gnu.org>
786 * fwprop.c: New file.
787 * Makefile.in: Add fwprop.o.
788 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
789 * passes.c (init_optimization_passes): Schedule forward propagation.
790 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
792 * timevar.def (TV_FWPROP): New.
793 * common.opt (-fforward-propagate): New.
794 * opts.c (decode_options): Enable forward propagation at -O2.
795 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
796 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
797 canon_for_address, table_size): Remove.
798 (new_basic_block, insert, remove_from_table): Remove references to
800 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
801 simplification loop more straightforward by not calling fold_rtx
803 (equiv_constant): Move here a small part of fold_rtx_subreg,
804 do not call fold_rtx. Call avoid_constant_pool_reference
806 * recog.h (canonicalize_change_group): New.
808 * doc/invoke.texi (Optimization Options): Document fwprop.
809 * doc/passes.texi (RTL passes): Document fwprop.
811 2006-11-03 Geoffrey Keating <geoffk@apple.com>
813 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
814 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
815 (grokdeclarator): Likewise.
817 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
819 * tree-dump.c (dump_enable_all): Rename local variable
820 ir_type to avoid name conflicts.
821 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
822 instead of using ir_type().
823 * profile.c (tree_register_profile_hooks): Likewise.
824 * value-prof.c (tree_register_value_prof_hooks): Likewise.
825 * basic-block.h (struct edge_def): Likewise.
826 * config/arm/arm.c (legitimize_pic_address): Likewise.
827 * coretypes.h (ir_type): New enum of all intermediate languages
829 * cfghooks.c (ir_type): Rename to...
830 (current_ir_type): ...this. Distinguish between cfgrtl and
831 cfglayout mode when the current IR is RTL. Return enum ir_type.
832 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
834 2006-11-03 Paul Brook <paul@codesourcery.com>
836 * config/arm/arm.c (arm_file_start): New function.
837 (TARGET_ASM_FILE_START): Define.
838 (arm_default_cpu): New variable.
839 (arm_override_options): Set arm_default_cpu.
841 2006-11-03 David Ung <davidu@mips.com>
843 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
844 PROCESSOR_24KC and PROCESSOR_24KF.
845 * config/mips/mips.c (mips_cpu_info_table): Add processor names
846 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
847 (mips_rtx_cost_data): Add costs for the 24kc.
848 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
849 * config/mips/24k.md: Remove references to 24k and replace with
850 uses of 24kc/24kf in the appropriate reservations.
851 * doc/invoke.texi (MIPS Options): Updated.
853 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
855 * config/sh/crt1.asm: Fix #ifdef indent.
857 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
858 Merged from STMicroelectronics sources:
859 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
860 * config/sh/crt1.asm (vbr_600): Add missing #if.
861 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
862 * sh.opt (mfused-madd): New option.
863 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
864 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
865 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
866 Remove pointless handler at VBR+0.
867 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
868 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
869 fr7. Make sure the timer handler is called with the correct FPU
870 precision setting, according to the ABI.
871 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
872 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
873 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
874 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
875 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
876 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
877 zero as second operand.
878 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
879 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
880 Fixed some bugs related to negative values, in particular -0
881 and overflow at -0x80000000.
882 * config/sh/divcost-analysis: Added sh4-300 figures.
883 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
884 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
885 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
886 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
887 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
888 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
890 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
892 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
893 SH4-300 scheduling description & fixes to SH4-[12]00 description:
894 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
895 mac_mem, mem_mac, dfp_mul, fp_cmp.
896 (insn_class, dfp_comp, any_fp_comp): Update.
897 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
898 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
899 (muldf3_i): Likewise.
900 (movsi_i): Split rI08 alternative into two separate alternatives.
902 (movsi_ie, movsi_i_lowpart): Likewise.
903 (movqi_i): Split ri alternative into two separate alternatives.
905 * sh1.md (sh1_load_store, sh1_fp): Update.
906 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
907 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
908 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
909 (sh4a_fp_double_arith): Likewise.
910 * sh4-300.md: New file.
911 * sh.c (sh_handle_option): Handle m4-300* options.
912 (sh_adjust_cost): Fix latency of auto-increments.
913 Handle SH4-300 differently than other SH4s. Check for new insn types.
914 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
915 been set by an option.
916 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
917 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
918 (mbranch-cost=): Likewise.
919 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
921 * sh.md (mulsf3): Remove special expansion code.
922 (mulsf3_ie): Now a define_insn_and_split.
923 (macsf3): Allow for TARGET_SH4.
925 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
926 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
927 (expand_cbranchdi4): Likewise.
928 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
929 CONST_DOUBLE if the outer code is COMPARE.
930 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
931 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
932 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
933 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
934 Remove redundant fp_{zero,one}_operand checks.
935 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
936 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
937 (expand_cbranchdi4): Likewise.
938 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
939 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
941 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
943 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
946 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
948 * doc/invoke.texi: Fix mfp-trap-mode typo.
950 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
952 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
953 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
954 file_end_indicate_exec_stack.
955 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
957 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
958 for a non-executable stack.
959 * crti.asm: Likewise.
960 * crtn.asm: Likewise.
961 * libunwind.S: Likewise.
963 2006-11-02 Ben Elliston <bje@au.ibm.com>
965 * tree-ssa.c (warn_uninit): Use expand_location variables for
966 locus and declaration locus.
968 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
971 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
972 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
973 cmp{eq,gt,gtu}{si,di}_media.
974 (*cmpne0si_media): Remove.
975 (*movsicc_umin): Adjust gen_cmp*_media call.
976 (unordered): Change the mode of unordered and operands[1] to
978 (seq): Adjust gen_cmp*_media calls. Make the mode of
979 a temporary result of compare SImode if needed. If the mode
980 of operands[0] is DImode, extend the temporary result to DImode.
981 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
982 (sunorderd): Change the mode of match_operand and unorderd to
984 (cmpeq{sf,df}_media): Remove.
985 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
986 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
987 and compare operation to SImode.
989 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
991 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
993 (sparc64-sun-solaris2*): Likewise.
995 2006-11-02 Paul Brook <paul@codesourcery.com>
997 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
998 from priority argument. Use different section for non-default
1000 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1002 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1005 * except.c (switch_to_exception_section): Do not cache the section
1006 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1007 and flag_function_sections is set.
1009 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * builtins.c (do_mpfr_sincos): New.
1013 (fold_builtin_1): Use it to fold builtin sincos.
1015 2006-11-01 Roger Sayle <roger@eyesopen.com>
1017 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1018 it into -D_REENTRANT.
1020 2006-11-01 Roger Sayle <roger@eyesopen.com>
1022 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1023 whether the assembler supports taking the difference of symbols in
1024 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1025 * configure: Regenerate.
1026 * config.in: Regenerate.
1027 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1028 the assembler doesn't support taking the difference of symbols in
1029 different sections, i.e. we're using the native solaris assembler.
1031 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1032 Peter Bergner <bergner@vnet.ibm.com>
1034 * doc/invoke.texi: Add cpu_type power6x
1035 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1036 * config.gcc: Add cpu_type power6x.
1037 * configure.ac: Add test for mf{t,f}gpr instructions.
1038 (HAVE_AS_MFPGPR): New.
1039 * config.in: Regenerate.
1040 * configure: Regenerate.
1041 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1042 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1043 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1044 and mftgpr attributes.
1045 (define_attr "cpu"): Add power6.
1046 Change instruction sequences to use new attributes.
1047 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1048 (fix_truncdfsi2_mfpgpr): New.
1049 (floatsidf_ppc64_mfpgpr): New.
1050 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1051 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1052 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1053 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1054 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1055 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1056 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1057 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1058 cntlz,exts and var_delayed_compare.
1059 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1060 _ARCH_PWR6X, if features enabled.
1061 * config/rs6000/rs6000.opt (mmfpgpr): New.
1062 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1063 (cached_can_issue_more): New variable.
1064 (processor_costs): Add power6_cost.
1065 (rs6000_sched_init): New function.
1066 (is_dispatch_slot_restricted): Deleted.
1067 (set_to_load_agen): New function.
1068 (is_load_insn,is_store_insn): New functions.
1069 (adjacent_mem_locations): New function.
1070 (insn_must_be_first_in_group): New function.
1071 (insn_must_be_last_in_group): New function.
1072 (rs6000_sched_reorder): New function.
1073 (rs6000_sched_reorder2): New function.
1074 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1075 TARGET_SCHED_REORDER2): Define.
1076 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1077 Add power6x. Add MASK_MFPGPR for power6x.
1078 (POWERPC_MASKS): Add MASK_MFPGPR.
1079 (rs6000_override_options): Set rs6000_always_hint to false
1080 for power6. Set rs6000_align_branch_targets. Replace
1081 rs6000_sched_groups check with rs6000_align_branch_targets.
1082 Use PROCESSOR_POWER6.
1083 (last_scheduled_insn): New variable.
1084 (load_store_pendulum): New variable.
1085 (rs6000_variable_issue): Set last_scheduled_insn and
1086 cached_can_issue_more.
1087 (rs6000_adjust_cost): Add power6 cost adjustments.
1088 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1089 with insn_must_be_first_in_group. Add power6 priority adjustments.
1090 (rs6000_issue_rate): Add CPU_POWER6.
1091 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1092 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1093 (TARGET_MFPGPR): New.
1094 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1095 (ASM_CPU_SPEC): Add power6x.
1096 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1098 * config/rs6000/power6.md: New file.
1100 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1102 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1103 HOST_WIDE_INT_PRINT to print high and low parts. Use
1104 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1105 printing a hexadecimal number prefix it with 0x.
1107 2006-11-01 Chris Johns <chris@contemporary.net.au>
1110 * Makefile.in (install-driver): Use exeext when installing
1111 $target-gcc-$version.
1113 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1115 * c-common.c (flag_cpp0x): New.
1116 * c-common.h (flag_cpp0x): New.
1117 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1118 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1119 * c-opts.c (set_std_cxx0x): New.
1120 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1121 * c.opt (std=c++0x): Document.
1122 (std=gnu++0x): Ditto.
1123 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1124 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1126 2006-11-01 Richard Guenther <rguenther@suse.de>
1128 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1130 (ix86_expand_floorceildf_32): Likewise.
1131 (ix86_expand_floorceil): Likewise.
1132 (ix86_expand_trunc): Likewise.
1134 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1136 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1139 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1141 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1143 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1145 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1147 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1148 * configure.ac (use_cxa_atexit): As a special case, don't test
1149 for libc definition of __cxa_atexit on mingw32
1150 * configure: Regenerate.
1151 * config.gcc (i[34567]86-pc-mingw32): Default to
1152 enable__cxa_atexit=yes.
1154 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1158 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1161 * c-decl.c (start_struct): Don't create self-containing
1163 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1165 * config/rs6000/rs6000-protos.h
1166 (darwin_rs6000_special_round_type_align): New.
1167 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1168 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1170 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1172 * toplev.c (compile_file): Call final_write_globals
1173 even if there have been errors.
1175 2006-10-31 Eric Christopher <echristo@apple.com>
1176 Falk Hueffner <falk@debian.org>
1178 * doc/extend.texi (__builtin_bswap32): Document.
1179 (__builtin_bswap64): Ditto.
1180 * doc/libgcc.texi (bswapsi2): Document.
1182 * doc/rtl.texi (bswap): Document.
1183 * optabs.c (expand_unop): Don't widen a bswap.
1184 (init_optabs): Init bswap. Set libfuncs explicitly
1185 for bswapsi2 and bswapdi2.
1186 * optabs.h (OTI_bswap): New.
1187 (bswap_optab): Ditto.
1188 * genopinit.c (optabs): Handle bswap_optab.
1189 * tree.h (tree_index): Add TI_UINT32_TYPE and
1191 (uint32_type_node): New.
1192 (uint64_type_node): Ditto.
1193 * tree.c (build_common_tree_nodes_2): Initialize
1194 uint32_type_node and uint64_type_node.
1195 * builtins.c (expand_builtin_bswap): New.
1196 (expand_builtin): Call.
1197 (fold_builtin_bswap): New.
1198 (fold_builtin_1): Call.
1199 * fold-const.c (tree_expr_nonnegative_p): Return true
1201 * builtin-types.def (BT_UINT32): New.
1203 (BT_FN_UINT32_UINT32): Ditto.
1204 (BT_FN_UINT64_UINT64): Ditto.
1205 * builtins.def (BUILT_IN_BSWAP32): New.
1206 (BUILT_IN_BSWAP64): Ditto.
1207 * rtl.def (BSWAP): New.
1208 * genattrtab.c (check_attr_value): New.
1209 * libgcc2.c (__bswapSI2): New.
1210 (__bswapDI2): Ditto.
1211 * libgcc2.h (__bswapSI2): Declare.
1212 (__bswapDI2): Ditto.
1213 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1214 * simplify-rtx.c (simplify_const_unary_operation): Return
1216 * libgcc-std.ver (__bwapsi2): Add.
1217 (__bswapdi2): Ditto.
1218 * reload1.c (eliminate_regs_1): Add bswap.
1219 (elimination_effects): Ditto.
1220 * config/i386/i386.h (x86_bswap): New.
1221 (TARGET_BSWAP): Use.
1222 * config/i386/i386.c (x86_bswap): Set.
1224 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1226 * coverage.c (coverage_checksum_string): Update comment.
1227 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1228 of get_file_function_name.
1229 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1230 of get_file_function_name_long.
1231 * tree.c (get_file_function_name): Rename from
1232 get_file_function_name_long; improve comment; handle 'I' and 'D'
1233 specially when the target has ctor/dtor support; remove special
1235 (get_file_function_name): Remove.
1236 * tree.h (get_file_function_name): Rename from
1237 get_file_function_name_long.
1238 (get_file_function_name): Remove prototype.
1240 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1242 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1243 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1245 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1246 Call dsymutil when compiling and linking one or more source files
1249 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1252 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1254 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1256 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1257 inline static functions in c99 mode.
1260 * doc/extend.texi (Inline): Update.
1261 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1262 * c-decl.c (current_extern_inline): Delete.
1263 (pop_scope): Adjust test for an undefined nested function.
1264 Add warning about undeclared inline function.
1265 (diagnose_mismatched_decls): Update comments. Disallow overriding
1266 of inline functions in a translation unit in C99. Allow inline
1267 declarations in C99 at any time.
1268 (merge_decls): Boolize variables. Handle C99 'extern inline'
1270 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1271 C99 inline semantics.
1272 (start_function): Don't clear current_extern_inline. Don't set
1274 (c_push_function_context): Don't push current_extern_inline.
1275 (c_pop_function_context): Don't restore current_extern_inline.
1278 * c-typeck.c (build_external_ref): Warn about static variables
1279 used in extern inline functions.
1280 * c-decl.c (start_decl): Warn about static variables declared
1281 in extern inline functions.
1283 2006-10-31 Roger Sayle <roger@eyesopen.com>
1286 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1287 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1288 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1289 or y is an even integer.
1291 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1294 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1295 * gthr-posix95.h (__gthread_active_p): Likewise.
1297 2006-10-31 Richard Guenther <rguenther@suse.de>
1299 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1300 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1301 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1302 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1303 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1304 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1305 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1306 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1309 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1311 * opts.c (decode_options): Disable CSE skip blocks.
1313 2006-10-30 Dirk Mueller <dmueller@suse.de>
1315 * c-common.h (strict_aliasing_warning): Fix whitespace.
1316 * c-decl (start_function): Move code for main decl warning ..
1317 * c-common.c (check_main_parameter_types): .. here.
1318 * c-common.h (check_main_parameter_types): Declare.
1320 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1323 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1325 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1327 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1328 be a PARALLEL containing sets. Return false when out_pat is not
1331 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1333 * config/mips/mips.md (mul<mode>3): Split into...
1334 (mulsi3, muldi3): ...these separate patterns.
1336 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1338 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1339 but with each set of options separated by spaces.
1341 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1343 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1344 dwarf_reg_size_table has been initialized.
1346 2006-10-30 Roger Sayle <roger@eyesopen.com>
1348 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1349 * ddg.c (print_ddg_edge): Likewise.
1350 * dwarf2out.c (prune_unused_types_walk): Likewise.
1351 * ifcvt.c (noce_try_cmove_arith): Likewise.
1352 * langhooks.c (add_builtin_function): Likewise.
1353 * reg-stack.c (subst_stack_regs_pat): Likewise.
1354 * tree.c (expanded_location): Likewise.
1355 * tree-dump.c (dequeue_and_dump): Likewise.
1357 2006-10-30 David Daney <ddaney@avtrex.com>
1359 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1361 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1363 PR tree-optimization/29637
1364 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1365 of the innertype is the innertype itself.
1367 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1369 * dwarf2out.c (file_name_acquire): Correct typo.
1371 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1373 * tree.h (tree_value_handle): Remove struct value_set declaration.
1374 Change value_set to bitmap_set.
1375 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1376 * tree-vn.c (get_value_handle): Made inline and moved to
1378 * tree-flow-inline.h: (has_stmt_ann): New function.
1379 * tree-ssa-pre.c (expressions): New variable.
1380 (next_expression_id): Ditto.
1381 (alloc_expression_id): New function.
1382 (struct value_set): Remove.
1383 (get_expression_id): New function.
1384 (get_or_alloc_expression_id): Ditto.
1385 (expression_for_id): Ditto.
1386 (clear_expression_ids): Ditto.
1387 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1388 (bb_value_sets): Renamed to bb_bitmap_sets.
1389 All value sets replaced with bitmap_sets.
1391 (BB_VISITED): New macro.
1392 (postorder): New variable.
1393 (add_to_value): Removed.
1394 (value_exists_in_set_bitmap): Ditto.
1395 (value_insert_into_set_bitmap): Ditto.
1398 (set_remove): Ditto.
1399 (set_contains_value): Ditto.
1400 (insert_into_set): Ditto.
1402 (find_leader): Ditto.
1403 (bitmap_set_subtract_from_value_set): Ditto.
1404 (value_insert_into_set): Ditto.
1405 (print_value_set): Ditto.
1406 (debug_value_set): Ditto.
1407 (constant_expr_p): New function.
1408 (bitmap_remove_from_set): Ditto.
1409 (bitmap_insert_into_set): Ditto.
1410 (bitmap_set_free): Ditto.
1411 (vh_compare): Ditto.
1412 (sorted_array_from_bitmap_set): Ditto.
1413 (bitmap_set_subtract): Ditto.
1414 (bitmap_set_equal): Ditto.
1415 (debug_bitmap_set): Ditto.
1416 (find_leader_in_sets): Ditto.
1417 (bitmap_set_replace_value): Modify for bitmapped sets.
1418 (phi_translate): Ditto.
1419 (phi_translate_set): Ditto.
1420 (bitmap_find_leader): Ditto.
1421 (valid_in_sets): Ditto.
1422 (union_contains_value): Ditto.
1424 (compute_antic_aux): Ditto. Mark changed blocks.
1425 (compute_antic): Ditto. Iterate in postorder and only over
1427 (compute_rvuse_and_antic_safe): Reuse postorder.
1428 (create_component_ref_by_pieces): Modify for bitmapped sets.
1429 (find_or_generate_expression): Ditto.
1430 (create_expression_by_pieces): Ditto.
1431 (insert_into_preds_of_block): Ditto.
1432 (changed_blocks): New variable.
1433 (do_regular_insertion): Broken out from insert_aux.
1434 (insert_aux): Modified for bitmapped sets.
1435 (find_existing_value_expr): New function.
1436 (create_value_expr_from): Use it.
1437 (insert_extra_phis): Removed.
1438 (print_bitmap_set): Renamed from bitmap_print_value_set.
1439 (compute_avail): Handle RETURN_EXPR.
1440 (init_pre): Modify for bitmapped sets.
1441 * tree-flow.h (has_stmt_ann): New function.
1443 2006-10-29 Roger Sayle <roger@eyesopen.com>
1445 * builtins.c (fold_builtin_floor): Check for the availability of
1446 the C99 trunc function before transforming floor into trunc.
1448 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1450 * builtins.c (fold_builtin_hypot): Rearrange recursive
1451 transformation before others, and also do ABS_EXPR. When
1452 necessary, check flag_unsafe_math_optimizations. When necessary,
1455 2006-10-29 Roger Sayle <roger@eyesopen.com>
1457 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1458 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1459 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1460 Fold -X eq/ne -Y as X eq/ne Y.
1462 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1464 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1465 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1466 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1467 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1468 Use an inclusive test for "mult" rather than "mul".
1469 (rotr<mode>3): Depend on ISA_HAS_ROR.
1470 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1472 (GENERATE_MULT3_DI): Delete.
1473 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1474 (ISA_HAS_MUL3): New macro.
1475 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1476 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1477 (ISA_HAS_CLZ_CLO): Likewise.
1478 (ISA_HAS_DCLZ_DCLO): Delete.
1479 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1480 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1481 the VR4120 and VR4130.
1482 (ISA_HAS_MACCHI): Use consistent formatting.
1483 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1484 (ISA_HAS_ROR): ...this new macro.
1485 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1486 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1487 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1489 2006-10-29 Roger Sayle <roger@eyesopen.com>
1491 PR tree-optimization/15458
1492 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1495 2006-10-29 Richard Guenther <rguenther@suse.de>
1497 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1498 (ix86_expand_truncdf_32): Likewise.
1499 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1500 trunc inline for SSE math and -fno-trapping-math and if not
1501 optimizing for size.
1502 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1503 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1504 for expanding btrunc inline for SSE math.
1506 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1508 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1509 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1510 i[34567]86-*-solaris2.1[0-9]*.
1511 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1512 Define conditionally depending on TARGET_64BIT_DEFAULT.
1513 (SPEC_32, SPEC_64): Define.
1514 (LINK_SPEC): Use them.
1515 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1517 2006-10-29 Richard Guenther <rguenther@suse.de>
1519 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1520 (ix86_expand_rounddf_32): Likewise.
1521 * config/i386/i386.c (ix86_expand_round): New function expanding
1522 round inline for SSE math and -fno-trapping-math and if not
1523 optimizing for size.
1524 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1525 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1526 round via ix86_expand_round.
1528 2006-10-29 Richard Guenther <rguenther@suse.de>
1530 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1531 (ix86_expand_floorceildf_32): Likewise.
1532 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1533 static helper function.
1534 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1536 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1537 * config/i386/i386.md (floordf2): Adjust to enable floor
1538 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1539 -fno-trapping-math is enabled and if not optimizing for size.
1540 (floorsf2, ceildf2, ceilsf2): Likewise.
1541 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1542 (sse2_maskcmpdf3): Likewise.
1544 2006-10-29 Richard Guenther <rguenther@suse.de>
1546 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1547 rint in case -fno-trapping-math is enabled.
1548 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1549 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1550 (ix86_expand_sse_fabs): Likewise.
1551 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1552 * config/i386/i386.md (rintdf2): Enable for SSE math if
1553 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1554 (rintsf2): Likewise.
1556 2006-10-29 Richard Guenther <rguenther@suse.de>
1558 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1559 to conversion optabs.
1560 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1561 as conversion optab.
1562 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1563 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1564 (lfloor_optab, lceil_optab): Adjust defines.
1565 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1566 lfloor and lceil optabs now being conversion optabs.
1567 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1568 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1569 New static helper function.
1570 (ix86_expand_lfloorceil): New function to expand lfloor and
1572 * config/i386/i386.md (lfloor<mode>2): Split into ...
1573 (lfloorxf<mode>2): ... x87 variant
1574 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1575 using ix86_expand_lfloorceil.
1576 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1578 * doc/md.texi (lfloorMN, lceilMN): Document.
1580 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1582 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1583 -mno-shared assembler option on mips targets.
1584 * configure, config.in: Regenerate.
1585 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1586 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1587 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1589 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1591 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1592 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1594 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1596 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1597 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1600 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1603 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1604 (fold_builtin_pow): Evaluate constant arguments at compile-time
1606 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1607 (do_mpfr_ckconv): New helper function.
1608 (do_mpfr_arg1): Use do_mpfr_ckconv.
1609 (do_mpfr_arg2): New.
1611 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1614 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1615 (-fdump-rtl-sched): Rename to ..
1616 (-fdump-rtl-sched1): here. Also fix file extension number.
1618 2006-10-28 Richard Guenther <rguenther@suse.de>
1620 * fold-const.c (maybe_canonicalize_comparison): Fix code
1623 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1625 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1626 (NON_QI_REG_P): Use IN_RANGE.
1627 (REX_INT_REGNO_P): Use IN_RANGE.
1628 (FP_REGNO_P): Use IN_RANGE.
1629 (SSE_REGNO_P): Use IN_RANGE.
1630 (REX_SSE_REGNO_P): Use IN_RANGE.
1631 (MMX_REGNO_P): Use IN_RANGE.
1632 (STACK_REGNO_P): New macro.
1633 (STACK_REG_P): Use STACK_REGNO_P.
1634 (NON_STACK_REG_P): Use STACK_REGNO_P.
1635 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1636 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1637 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1638 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1639 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1641 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1643 * except.h (output_function_exception_table): Add 'const char*' param.
1644 * except.c (switch_to_exception_section): Add 'const char*' param.
1645 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1646 and flag_function_sections is set, use a function-specific section.
1647 (output_function_exception_table): Add 'const char*' param.
1648 Adjust call to switch_to_exception_section.
1649 * final.c (rest_of_handle_final): Adjust calls to
1650 output_function_exception_table.
1651 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1652 * config.in: Regenerate.
1653 * configure: Likewise.
1655 2006-10-28 Richard Guenther <rguenther@suse.de>
1658 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1659 for maybe_canonicalize_comparison.
1660 (maybe_canonicalize_comparison): New function for canonicalizing
1662 (fold_comparison): Call it to canonicalize comparisons with
1665 2006-10-28 Richard Guenther <rguenther@suse.de>
1668 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1669 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1670 (expand_builtin): Adjust likewise.
1671 * genopinit.c (optabs[]): Add lround optab.
1672 * optabs.c (init_optabs): Initialize lround_optab.
1673 * optabs.h (enum convert_optab_index): Add COI_lround.
1674 (lround_optab): Define.
1675 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1676 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1678 (ix86_expand_lround): New function.
1679 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1681 * doc/md.texi (lroundMN2): Document.
1683 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1686 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1687 argument to HOST_WIDE_INT. Update function prototype.
1688 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1689 "size" argument to HOST_WIDE_INT. Update function prototype.
1691 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1693 * config/i386/i386.c (output_387_ffreep): Create output from a
1694 template string for !HAVE_AS_IX86_FFREEP.
1696 2006-10-27 Eric Christopher <echristo@apple.com>
1698 * config/darwin.c: Fix formatting and grammar.
1700 2006-10-27 Jan Hubicka <jh@suse.cz>
1702 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1703 to be thrown away soon when IGNORE is set.
1704 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1705 indicating when return value shall not be computed.
1706 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1708 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1710 * config/i386/i386.h (TARGET_GEODE):
1711 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1712 (TARGET_CPU_DEFAULT_geode): New macro.
1713 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1714 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1715 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1716 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1717 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1719 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1720 (processor_type): Add PROCESSOR_GEODE.
1722 * config/i386/i386.md: Include geode.md.
1725 * config/i386/i386.c (geode_cost): New initialized global
1727 (m_GEODE, m_K6_GEODE): New macros.
1728 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1729 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1730 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1731 x86_schedule): Use m_K6_GEODE instead of m_K6.
1732 (x86_movx, x86_cmove): Set up m_GEODE.
1733 (x86_integer_DFmode_moves): Clear m_GEODE.
1734 (processor_target_table): Add entry for geode.
1735 (processor_alias_table): Ditto.
1737 * config/i386/geode.md: New file.
1739 * doc/invoke.texi: Add entry about geode processor.
1741 2006-10-27 Mike Stump <mrs@apple.com>
1743 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1744 __DYNAMIC__ from here back to ...
1745 * config/darwin.h (CPP_SPEC): ... here.
1747 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1748 Nathan Sidwell <nathan@codesourcery.com>
1750 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1751 when choosing the minimum heapsize.
1753 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1755 * gcc/unwind-dw2.h: Move cfa-related variables into
1756 struct frame_state_reg_info to ensure that the CFA is properly
1757 handled when executing DW_CFA_{remember,restore}_state.
1758 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1759 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1760 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1761 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1762 gcc/config/rs6000/linux-unwind.h,
1763 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1764 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1765 Modify to use new cfa_* fields.
1767 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1769 * config/s390/s390.c (s390_init_frame_layout): Check positive
1772 2006-10-26 Ben Elliston <bje@au.ibm.com>
1774 * gimplify.c (get_name): Remove extraneous break.
1775 (gimplify_omp_for): Initialise ret with GS_OK.
1777 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1779 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1780 Add unix98.o to link line.
1782 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1786 Calculate compile-time constants using MPFR.
1787 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1788 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1790 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1792 * config/xtensa/lib2funcs.S: Use C-style comments.
1794 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1796 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1797 (file_table_relative_p): Likewise.
1798 (dwarf2out_finish): Likewise.
1799 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1801 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1803 * tree-ssa-structalias.c (intra_create_variable_infos):
1804 Don't recreate nonlocal_all if it already exists.
1806 2006-10-25 Richard Guenther <rguenther@suse.de>
1809 * optabs.h (enum optab_index): Remove OTI_lrint.
1810 (enum convert_optab_index): Add COI_lrint.
1811 (lrint_optab): Adjust.
1812 (expand_sfix_optab): Declare.
1813 * optabs.c (expand_sfix_optab): New function.
1814 (init_optabs): Init lrint_optab as conversion optab.
1815 * genopinit.c (lrint_optab): Change to a conversion optab.
1816 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1817 expansion via conversion optab.
1818 * config/i386/i386.md (*fistdi2_1): Remove
1819 flag_unsafe_math_optimizations guard.
1820 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1821 fist<mode>2_with_temp): Likewise.
1822 (lrint<mode>2): Split into...
1823 (lrintxf<mode>2): ... x87 part
1824 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1825 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1826 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1827 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1828 * doc/md.texi (lrintMN2): Document.
1830 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1833 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1834 Use inc and dec instructions for TARGET_USE_INCDEC.
1835 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1836 ("sync_double_compare_and_swap<mode>"): Likewise.
1837 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1838 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1839 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1840 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1841 ("sync_old_add<mode>"): Likewise.
1842 ("sync_lock_test_and_set<mode>"): Likewise.
1843 ("sync_lock_test_and_set<mode>"): Likewise.
1844 ("sync_add<mode>"): Likewise.
1845 ("sync_sub<mode>"): Likewise.
1846 ("sync_ior<mode>"): Likewise.
1847 ("sync_and<mode>"): Likewise.
1848 ("sync_xor<mode>"): Likewise.
1850 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1852 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1853 (remainder_optab): Define corresponding macro.
1854 (drem_optab): Remove.
1855 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1856 drem_optab initialization.
1857 * genopinit.c (optabs): Implement remainder_optab using
1858 remainder?f3 patterns. Remove drem_optab.
1859 * builtins.c (expand_builtin_mathfn_2): Handle
1860 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1861 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1862 expand_builtin_mathfn_2.
1864 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1865 depend on flag_unsafe_math_optimizations.
1867 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1868 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1869 Do not depend on flag_unsafe_math_optimizations. Use
1870 truncxf?f expander instead of truncxf?f_i387_noop.
1872 ("fpremxf4", "fprem1xf4"): Do not depend on
1873 flag_unsafe_math_optimizations.
1874 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1875 flag_unsafe_math_optimizations. Use truncxf?f expander
1876 instead of truncxf?f_i387_noop.
1878 * doc/md.texi (fmod, remainder): Document standard named pattern.
1880 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1881 David Daney <ddaney@avtrex.com>
1884 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1886 2006-10-25 Ben Elliston <bje@au.ibm.com>
1888 * doc/extend.texi (Variable Attributes): Typo fix.
1890 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1892 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1893 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1894 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1895 (FRAME_POINTER_REGNUM): Update register number to 21.
1896 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1897 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1899 * config/i386/i386.c (regclass_map): Add fpcr entry.
1900 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1902 (print_reg): Assert REGNO (x) != FPCR_REG.
1904 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1905 (DIRFLAG_REG): Renumber.
1906 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1907 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1908 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1909 hardcoded SSE register numbers.
1911 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1912 hardcoded MMX register numbers.
1914 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1917 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1918 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1920 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1921 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1922 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1923 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1925 2006-10-24 Richard Guenther <rguenther@suse.de>
1928 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1929 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1930 for deciding optimizations in consistency with fold-const.c
1931 (fold_builtin_unordered_cmp): Likewise.
1933 2006-10-24 Richard Guenther <rguenther@suse.de>
1935 * builtins.c (fold_builtin_floor): Fold floor (x) where
1936 x is nonnegative to trunc (x).
1937 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1938 nonnegative to FIX_TRUNC_EXPR.
1940 2006-10-24 Richard Guenther <rguenther@suse.de>
1942 PR tree-optimization/29567
1943 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1944 for TRUTH_NOT_EXPR. Clarify comments.
1946 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1950 at compile-time using MPFR. Change parameter VALUE to FUNC,
1952 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1953 for overflow and underflow at all times and avoid folding in
1956 2006-10-24 Ben Elliston <bje@au.ibm.com>
1958 * reload1.c: Formatting fixes.
1960 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1962 PR tree-optimization/14784
1963 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1964 * tree-ssa-structalias.c (get_constraint_for,
1965 intra_create_variable_infos): Set is_heapvar.
1966 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1967 non-heapvar pointer variables specially.
1969 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1973 fold_builtin_tan): Fold all constant arguments. Take a "type"
1974 argument as necessary.
1975 (do_mpfr_arg1): New.
1976 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1978 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1980 * config/xtensa/lib1funcs.asm: Use C-style comments.
1982 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1984 * tree.c (local_define_builtin): Replace calls to
1985 lang_hooks.builtin_function with add_builtin_function.
1986 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1988 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1990 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1991 common code to add_builtin_function.
1992 * langhooks.c (add_builtin_function): New function.
1993 (lhd_builtin_function): New function.
1994 * langhooks.h (struct lang_hooks): Change the signature of
1996 (add_builtin_function): New function.
1997 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1998 calls to lang_hooks.builtin_function with add_builtin_function.
1999 * c-common.c (decl_builtin_1): Replace calls to
2000 lang_hooks.builtin_function with add_builtin_function.
2001 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2002 lang_hooks.builtin_function with add_builtin_function.
2003 * config/frv/frv.c (def_builtin): Replace calls to
2004 lang_hooks.builtin_function with add_builtin_function.
2005 * config/s390/s390.c (s390_init_builtins): Replace calls to
2006 lang_hooks.builtin_function with add_builtin_function.
2007 * config/sparc/sparc.c (def_builtin): Replace calls to
2008 lang_hooks.builtin_function with add_builtin_function.
2009 * config/i386/i386.c (def_builtin): Replace calls to
2010 lang_hooks.builtin_function with add_builtin_function.
2011 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2012 lang_hooks.builtin_function with add_builtin_function.
2013 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2014 lang_hooks.builtin_function with add_builtin_function.
2015 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2016 Replace calls to lang_hooks.builtin_function with
2017 add_builtin_function.
2018 * config/iq2000/iq2000.c (def_builtin):
2019 Replace calls to lang_hooks.builtin_function with
2020 add_builtin_function.
2021 * config/ia64/ia64.c (def_builtin): Replace calls to
2022 lang_hooks.builtin_function with add_builtin_function.
2023 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2024 lang_hooks.builtin_function with add_builtin_function.
2025 (altivec_init_builtins): Replace calls to
2026 lang_hooks.builtin_function with add_builtin_function.
2027 * config/arm/arm.c (def_mbuiltin): Replace calls to
2028 lang_hooks.builtin_function with add_builtin_function.
2029 (arm_init_tls_builtins): Replace calls to
2030 lang_hooks.builtin_function with add_builtin_function.
2031 * config/mips/mips.c (mips_init_builtins): Replace calls to
2032 lang_hooks.builtin_function with add_builtin_function.
2033 * config/bfin/bfin.c (def_builtin): Replace calls to
2034 lang_hooks.builtin_function with add_builtin_function.
2035 * langhooks-def.h (lhd_builtin_function): New function.
2036 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2038 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2040 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2041 BUILT_IN_STRNCAT_CHK.
2043 2006-10-23 Jan Hubicka <jh@suse.cz>
2045 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2046 don't do conversion from memmove to memcpy here.
2047 (expand_builtin_bcopy, expand_builtin): Update call of
2048 expand_builtin_memmove.
2049 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2051 2006-10-23 Paul Brook <paul@codesourcery.com>
2053 * stor-layout.c (start_record_layout): maximum_field_alignment
2054 overrides STRUCTURE_SIZE_BOUNDARY.
2056 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2058 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2059 nonlocal function symbols if flag_pic.
2061 2006-10-23 Richard Guenther <rguenther@suse.de>
2065 * builtins.c (fold_binary): Remove checks for flag_wrapv
2066 and flag_trapv where negate_expr_p covers these cases.
2068 2006-10-23 Richard Guenther <rguenther@suse.de>
2071 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2072 of two on the absolute value.
2073 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2074 and negating -C does not overflow.
2076 2006-10-23 Richard Guenther <rguenther@suse.de>
2079 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2080 only if not flag_rounding_math.
2082 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2083 Kaz Kojima <kkojima@gcc.gnu.org>
2086 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2087 SImode memory reference for the source of a movua.
2088 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2089 (movua): Use an unspec instead of sign_extract. Expect the source
2090 to have mode BLKmode.
2091 (extv, insv): Use a BLKmode rather than SImode memory reference
2092 for the source of a movua.
2094 2006-10-22 Jeff Law <law@redhat.com>
2095 Richard Guenther <rguenther@suse.de>
2097 PR tree-optimization/15911
2098 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2099 (register_edge_assert_for_1): Likewise.
2100 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2101 (find_conditional_asserts): Adjust for new function signature.
2102 (find_assert_locations): Likewise.
2104 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2106 * config/i386/tmmintrin.h: Remove the duplicated content.
2108 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2110 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2111 (x86_64-*-*): Likewise.
2113 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2114 (override_options): Check SSSE3.
2115 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2116 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2117 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2118 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2119 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2120 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2121 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2122 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2123 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2124 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2125 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2126 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2127 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2128 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2129 IX86_BUILTIN_PABSD128.
2130 (bdesc_2arg): Add SSSE3.
2131 (bdesc_1arg): Likewise.
2132 (ix86_init_mmx_sse_builtins): Support SSSE3.
2133 (ix86_expand_builtin): Likewise.
2134 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2136 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2137 (UNSPEC_PSIGN): Likewise.
2138 (UNSPEC_PALIGNR): Likewise.
2139 Include mmx.md before sse.md.
2141 * config/i386/i386.opt: Add -mssse3.
2143 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2144 (ssse3_phaddwv4hi3): Likewise.
2145 (ssse3_phadddv4si3): Likewise.
2146 (ssse3_phadddv2si3): Likewise.
2147 (ssse3_phaddswv8hi3): Likewise.
2148 (ssse3_phaddswv4hi3): Likewise.
2149 (ssse3_phsubwv8hi3): Likewise.
2150 (ssse3_phsubwv4hi3): Likewise.
2151 (ssse3_phsubdv4si3): Likewise.
2152 (ssse3_phsubdv2si3): Likewise.
2153 (ssse3_phsubswv8hi3): Likewise.
2154 (ssse3_phsubswv4hi3): Likewise.
2155 (ssse3_pmaddubswv8hi3): Likewise.
2156 (ssse3_pmaddubswv4hi3): Likewise.
2157 (ssse3_pmulhrswv8hi3): Likewise.
2158 (ssse3_pmulhrswv4hi3): Likewise.
2159 (ssse3_pshufbv16qi3): Likewise.
2160 (ssse3_pshufbv8qi3): Likewise.
2161 (ssse3_psign<mode>3): Likewise.
2162 (ssse3_psign<mode>3): Likewise.
2163 (ssse3_palignrti): Likewise.
2164 (ssse3_palignrdi): Likewise.
2165 (abs<mode>2): Likewise.
2166 (abs<mode>2): Likewise.
2168 * config/i386/tmmintrin.h: New file.
2170 * doc/extend.texi: Document SSSE3 built-in functions.
2172 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2174 2006-10-22 Ira Rosen <irar@il.ibm.com>
2176 * tree-vect-transform.c (vectorizable_load): Use the type of the
2177 return value of the mask_for_load builtin to create realign_load
2180 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2182 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2185 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2187 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2188 (UNSPEC_LDDQU): This.
2189 * config/i386/sse.md (sse3_lddqu): Updated.
2191 2006-10-21 Richard Guenther <rguenther@suse.de>
2193 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2194 (expand_builtin): Use it to expand lrint instead of
2195 expand_builtin_mathfn.
2197 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2200 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2201 flag_unsafe_math_optimizations is set.
2203 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2206 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2207 patterns to use memory input operand in x87->mem->XMM
2208 reload sequences. Skip transformation for TARGET_K8.
2210 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2212 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2213 force operand1 to register if both operands are memory operands.
2214 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2215 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2216 if both operands are memory operands.
2217 (truncdfsf2): Do not force operand1 to register if both operands
2218 are memory operands.
2220 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * Makefile.in (LIBS): Add $(GMPLIBS).
2223 * doc/install.texi: Update GMP and MPFR requirements.
2224 * doc/sourcebuild.texi (need_gmp): Delete.
2226 2006-10-21 Richard Guenther <rguenther@suse.de>
2228 PR tree-optimization/3511
2229 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2230 got new invariant arguments during PHI translation.
2232 2006-10-21 Richard Guenther <rguenther@suse.de>
2235 * fold-const.c (fold_comparison): Fold signed comparisons
2236 of the form X +- C1 CMP Y +- C2.
2238 2006-10-21 Richard Guenther <rguenther@suse.de>
2241 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2242 if flag_unsafe_math_optimizations is specified. We have
2243 flag_finite_math_only for that.
2244 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2245 or flag_unsafe_math_optimizations.
2247 2006-10-21 Richard Guenther <rguenther@suse.de>
2249 * builtins.c (fold_builtin_classify): Fix typo.
2251 2006-10-21 Richard Guenther <rguenther@suse.de>
2254 * simplify-rtx.c (simplify_const_relational_operation):
2255 Do not constant-fold ORDERED and UNORDERED for
2256 flag_unsafe_math_optimizations but only we do not need to
2257 honor NaNs for the given mode.
2259 2006-10-21 Richard Guenther <rguenther@suse.de>
2262 * config/i386/i386.c (classify_argument): Remove redundant
2263 walking of the BINFOs.
2264 (contains_128bit_aligned_vector_p): Likewise.
2266 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2268 * BASE-VER: Set to 4.3.0.
2270 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2272 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2273 (tree_decl_with_vis): Remove artificial_pta_var flag.
2274 * tree-flow.h (referenced_var_check_and_insert): Expose.
2275 (nonlocal_all): New prototype.
2276 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2277 (nonlocal_all): Make global.
2278 (nonlocal_lookup): Remove.
2279 (nonlocal_insert): Ditto.
2280 (create_nonlocal_var): Do not call nonlocal_insert.
2281 (get_nonlocal_id_for_type): Remove.
2282 (find_global_initializers): Mark new vars we find for renaming.
2283 (intra_create_variable_infos): Only create one nonlocal.
2284 (expand_nonlocal_solutions): Remove.
2285 (compute_points_to_sets): Don't call it.
2286 (ipa_pta_execute): Ditto.
2287 (init_alias_heapvars): Don't create nonlocal_for_type.
2288 (delete_alias_heapvars): Don't remove it.
2289 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2292 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2294 * doc/install.texi (Downloading GCC): Clarify mention of
2295 Fortran in the "full distribution" description.
2297 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2299 Fix PR tree-optimization/28778
2300 Fix PR tree-optimization/29156
2301 Fix PR tree-optimization/29415
2302 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2303 (tree_decl_with_vis): Add artificial_pta_var flag.
2304 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2305 pushed into callers.
2306 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2307 (nonlocal_all): Ditto.
2308 (struct variable_info): Add directly_dereferenced member.
2309 (var_escaped_vars): New variable.
2310 (escaped_vars_tree): Ditto.
2311 (escaped_vars_id): Ditto.
2312 (nonlocal_vars_id): Ditto.
2313 (new_var_info): Set directly_dereferenced.
2314 (graph_size): New variable
2315 (build_constraint_graph): Use graph_size.
2316 (solve_graph): Don't process constraints that cannot change the
2317 solution, don't try to propagate an empty solution to our
2319 (process_constraint): Set directly_dereferenced.
2320 (could_have_pointers): New function.
2321 (get_constraint_for_component_ref): Don't process STRING_CST.
2322 (nonlocal_lookup): New function.
2323 (nonlocal_insert): Ditto.
2324 (create_nonlocal_var): Ditto.
2325 (get_nonlocal_id_for_type): Ditto.
2326 (get_constraint_for): Allow results vector to be empty in the case
2327 of string constants.
2328 Handle results of calls properly.
2329 (update_alias_info): Update alias info stats on number and type of
2331 (find_func_aliases): Use could_have_pointers.
2332 (make_constraint_from_escaped): Renamed from
2333 make_constraint_to_anything, and changed to make constraints from
2335 (make_constraint_to_escaped): New function.
2336 (find_global_initializers): Ditto.
2337 (create_variable_info_for): Make constraint from escaped to any
2338 global variable, and from any global variable to the set of
2340 (intra_create_variable_infos): Deal with escaped instead of
2341 pointing to anything.
2342 (set_uids_in_ptset): Do type pruning on directly dereferenced
2344 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2345 (init_base_vars): Fix comment, and initialize escaped_vars.
2346 (need_to_solve): Removed.
2347 (find_escape_constraints): New function.
2348 (expand_nonlocal_solutions): Ditto.
2349 (compute_points_to_sets): Call find_escape_constraints and
2350 expand_nonlocal_solutions.
2351 (delete_points_to_sets): Don't fall off the end of the graph.
2352 (init_alias_heapvars): Initialize nonlocal_for_type and
2354 (delete_alias_heapvars): Free nonlocal_for_type and null out
2357 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2359 * fold-const.c (add_double): Rename to add_double_with_sign.
2360 Add 'unsigned_p' parameter and take it into account for the overflow.
2361 (mul_double): Rename to mul_double_with_sign.
2362 Add 'unsigned_p' parameter and take it into account for the overflow.
2363 (fold_div_compare): Call add_double_with_sign instead of add_double
2364 and mul_double_with_sign instead of mul_double, passing them the
2365 unsignedness of the type.
2366 * tree.h (add_double): Macroize.
2367 (add_double_with_sign): New prototype.
2368 (mul_double): Macroize.
2369 (mul_double_with_sign): New prototype.
2371 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2373 * config/score/crti.asm: New file.
2374 * config/score/crtn.asm: New file.
2375 * config/score/elf.h: New file.
2376 * config/score/mac.md: New file.
2377 * config/score/misc.md: New file.
2378 * config/score/mul-div.S: New file.
2379 * config/score/predicates.md: New file.
2380 * config/score/score7.md: New file.
2381 * config/score/score.c: New file.
2382 * config/score/score-conv.h: New file.
2383 * config/score/score.h: New file.
2384 * config/score/score.md: New file.
2385 * config/score/score-mdaux.c: New file.
2386 * config/score/score-mdaux.h: New file.
2387 * config/score/score-modes.def: New file.
2388 * config/score/score.opt: New file.
2389 * config/score/score-protos.h: New file.
2390 * config/score/score-version.h: New file.
2391 * config/score/t-score-elf: New file.
2392 * config.gcc: Add score*-*-* configurations(Update before).
2393 * doc/invoke.texi (Score Options): New section.
2394 * doc/md.texi (Score family): New section to document constraints.
2396 2006-10-19 Nick Clifton <nickc@redhat.com>
2398 * config/arm/arm.c: Fix spelling typo.
2400 2006-10-18 Tom Tromey <tromey@redhat.com>
2402 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2404 2006-10-18 Jan Hubicka <jh@suse.cz>
2407 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2410 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2412 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2413 TSI_SAME_STMT, since that's the desired entity.
2415 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2417 * config/s390/contraints.md: New file.
2418 * config/s390/s390-protos.h (s390_mem_constraint,
2419 s390_O_constraint_str, s390_N_constraint_str,
2420 s390_float_const_zero_p): Function prototypes added.
2421 * config/s390/s390.c (s390_extra_constraint_str,
2422 s390_const_double_ok_for_constraint_p,
2423 s390_const_ok_for_constraint_p): Functions removed.
2424 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2425 s390_float_const_zero_p): New functions.
2426 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2427 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2428 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2429 Macro definitions removed.
2430 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2431 s390_extra_constraint_str): Functions removed.
2433 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2434 Richard Sandiford <richard@codesourcery.com>
2437 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2438 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2440 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2442 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2443 (DWARF2_FRAME_REG_OUT): Likewise.
2444 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2445 (DWARF2_FRAME_REG_OUT): Likewise.
2447 2006-10-17 Paul Brook <paul@codesourcery.com>
2449 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2451 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2453 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2454 Standardize on "GNU Fortran" as the official name of the Fortran
2457 2006-10-16 Mike Stump <mrs@apple.com>
2459 * doc/invoke.texi (Darwin Options): Document -mkernel.
2460 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2462 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2463 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2464 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2465 (OS_MISSING_ALTIVEC): Add.
2466 * config/i386/i386.c (override_options): Add
2467 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2468 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2469 -mkernel, -static or -mdynamic-no-pic is given.
2470 (C_COMMON_OVERRIDE_OPTIONS): Add.
2471 * config/darwin.opt (fapple-kext): Add.
2473 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2474 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2476 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2477 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2478 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2479 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2480 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2481 (flag_mkernel): Add.
2482 (flag_apple_kext): Add.
2483 (TARGET_KEXTABI): Add.
2484 * config/darwin.c (darwin_handle_kext_attribute): Add.
2485 (DARWIN_VTABLE_P): Add.
2486 (darwin_binds_local_p): Add partial support for rebinding vtables
2488 (darwin_kextabi_p): Add.
2489 (darwin_override_options): Add.
2490 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2491 (darwin_kextabi_p): Add.
2492 (darwin_override_options): Add.
2493 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2494 __DYNAMIC__ and __STATIC__ here.
2496 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2498 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2499 Added mention of "make pdf" target, and Texinfo requirements for
2502 2006-10-16 DJ Delorie <dj@redhat.com>
2504 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2505 into the GOT in case we need a subreg of the address.
2507 2006-10-16 Richard Guenther <rguenther@suse.de>
2510 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2511 SSE builtin documentation. Document SSE2 builtins.
2513 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2515 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2516 symbol in the output file for non-shared links when -nostdlib or
2517 -nodefaultlibs isn't specified.
2519 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2520 posix thread support.
2522 2006-10-15 Jan Hubicka <jh@suse.cz>
2525 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2526 declared always_inline even when not inlining.
2528 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2529 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2530 Andrew Pinski <pinskia@gmail.com>
2533 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2535 2006-10-15 Jan Hubicka <jh@suse.cz>
2536 Richard Guenther <rguenther@suse.de>
2539 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2540 process_function_and_variable_attributes on all variables, including
2541 those discovered during cgraph construction phase.
2543 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2545 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2547 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2549 * config/i386/athlon.md (athlon_fist): Add fisttp.
2551 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2552 Ian Lance Taylor <ian@airs.com>
2555 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2556 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2559 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2561 * config/score/score.c, config/score/score.h: Fix comment
2564 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2567 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2570 2006-10-13 Eric Christopher <echristo@apple.com>
2572 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2574 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2577 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2578 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2579 alignment supported by 32-bit ELF.
2581 2006-10-13 Eric Christopher <echristo@apple.com>
2583 * config/darwin.c (darwin_emit_unwind_label): Strip
2584 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2586 2006-10-13 Richard Guenther <rguenther@suse.de>
2588 PR tree-optimization/29446
2589 * tree-vrp.c (fix_equivalence_set): Remove.
2590 (extract_range_from_assert): Do not call fix_equivalence_set.
2591 (debug_value_range): Print a newline.
2592 (compare_name_with_value): For equivalence sets with
2593 inconsistent value ranges conservatively bail out.
2594 (compare_names): Likewise.
2596 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2598 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2599 and MPFR for gfortran.
2601 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2603 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2604 alignment supported by 32-bit ELF.
2606 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2610 * c-typeck.c (digest_init): Always allow initializing vectors
2611 that have static storage duration with compound literals.
2612 * tree.c (build_type_attribute_qual_variant): New, based on
2613 build_type_attribute_variant.
2614 (build_type_attribute_variant): Rewrite using the former.
2615 (make_vector_type): Use build_type_attribute_qual_variant to build
2616 type variants. Use type_hash_canon on the others.
2618 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2619 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2621 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2623 2006-10-12 Jan Hubicka <jh@suse.cz>
2626 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2627 current_function_decl is set but current_function_scope is not.
2629 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2631 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2632 emit_insn to emit eh_return_internal instruction.
2633 (eh_return_internal): Explicitly set pc.
2635 2006-10-11 Richard Guenther <rguenther@suse.de>
2637 PR tree-optimization/28230
2638 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2639 to the correct place.
2641 2006-10-11 Richard Guenther <rguenther@suse.de>
2644 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2647 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2649 * configure.ac: Added pdf to "Make-hooks"
2650 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2651 targets and *.pdf file patterns in cleanup targets.
2652 * configure: Regenerated.
2654 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2656 * config/avr/predicates.md: New file.
2657 * config/avr/avr.md: Include it.
2658 (REG_SP): New constant.
2659 (peepholes): Use predicates.
2660 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2661 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2662 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2664 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2666 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2669 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2672 * builtins.c (var_decl_component_p): New function.
2673 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2674 single entry optimization to variables and components thereof.
2676 2006-10-10 Richard Guenther <rguenther@suse.de>
2678 PR rtl-optimization/29323
2679 * except.c (set_nothrow_function_flags): For functions
2680 that do not bind local bail out early.
2682 2006-10-10 Ben Elliston <bje@au.ibm.com>
2684 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2687 2006-10-09 Richard Henderson <rth@redhat.com>
2689 Revert emutls patch.
2691 2006-10-09 Richard Guenther <rguenther@suse.de>
2694 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2697 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2700 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2701 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2702 * configure: Regenerate.
2703 * config.in: Regenerate.
2705 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2707 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2709 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2711 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2712 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2713 Remove stray newline.
2715 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2717 * config/mips/mips.c (mips_classify_symbol): Do not return
2718 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2719 (mips_in_small_data_p): Tweak comments.
2721 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2723 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2725 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2727 * gimplify.c, sched-int.h: Fix comment typos.
2729 * sched-int.h: Fix comment typos.
2731 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2733 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2735 * sched-ebb.c (begin_schedule_ready): Use them.
2736 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2737 add_to_speculative_block, create_check_block_twin, speculate_insn,
2738 fix_jump_move, move_block_after_check): Ditto.
2739 * sched-rgn.c (new_ready): Ditto.
2741 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2743 PR rtl-optimization/29128
2744 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2745 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2746 allow interblock movement of speculation checks.
2748 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2751 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2752 casted to integer type.
2753 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2754 if they are significantly more expensive than [reg + index] ones.
2756 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2758 PR tree-optimization/29330
2759 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2760 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2761 on newly allocated ddrs.
2762 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2763 to VEC (loop_p, heap) pointer.
2764 (compute_data_dependences_for_loop): Adjust caller.
2765 (free_dependence_relations): Free DDR_LOOP_NEST.
2767 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2768 free DEPENDENCE_RELATIONS and DATAREFS.
2771 * builtins.c (expand_builtin_sync_operation,
2772 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2773 Use convert_to_mode to handle promoted arguments.
2775 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2777 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2779 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2781 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2783 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2785 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2786 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2787 Use <modeconstraint> instead of "r" as operand 1 constraint.
2789 2006-10-06 Olivier Hainque <hainque@adacore.com>
2791 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2792 Don't recurse on the pointed-to type.
2793 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2794 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2795 types with components of variable size.
2797 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2799 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2801 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2803 PR tree-optimization/29290
2804 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2808 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2809 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2812 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2813 the number of vector elements fill the rest with zeros.
2815 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2817 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2818 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2821 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2823 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2824 unnamed pattern into subsi3. Use correct constraints/predicates.
2825 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2826 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2828 2006-10-05 Ira Rosen <irar@il.ibm.com>
2830 * doc/loop.texi: Add data references analysis description.
2832 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2834 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2836 2006-10-04 Richard Henderson <rth@redhat.com>
2837 Jakub Jelinek <jakub@redhat.com>
2839 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2840 * builtin-types.def (BT_WORD): Make unsigned.
2841 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2842 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2843 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2844 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2845 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2846 * cgraph.c (decide_is_variable_needed): Look at force_output.
2847 Recurse for emulated tls.
2848 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2849 checks redundant with decide_is_variable_needed.
2850 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2851 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2853 * expr.c (emutls_var_address): New.
2854 (expand_expr_real_1): Expand emulated tls.
2855 (expand_expr_addr_expr_1): Likewise.
2856 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2857 * output.h (emutls_finish): Declare.
2858 * toplev.c (compile_file): Call it.
2859 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2860 address before wrapping in CONST.
2861 * varasm.c (emutls_htab, emutls_object_type): New.
2862 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2863 (get_emutls_object_name, get_emutls_object_type): New.
2864 (get_emutls_init_templ_addr, emutls_decl): New.
2865 (emutls_common_1, emutls_finish): New.
2866 (assemble_variable): When emulating tls, swap decls; generate
2867 constructor for the emutls objects.
2868 (do_assemble_alias): When emulating tls, swap decl and target name.
2869 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2871 * emutls.c: New file.
2872 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2873 tls_object for real tls.
2875 2006-10-04 Zack Weinberg <zackw@panix.com>
2877 Fix bug in constraint-check generator, reported by Rask Ingemann
2879 * genpreds.c (add_constraint): Don't remove anything from the
2881 (write_tm_constrs_h): Detect whether "op" argument is used, and
2882 mark it ARG_UNUSED if it isn't.
2883 (write_insn_const_int_ok_for_constraint): Skip the part of the
2884 expression that would test whether "op" (which is not available
2885 here) is a CONST_INT.
2887 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2890 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2892 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2894 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2895 current Leopard versions.
2896 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2898 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2900 * doc/install.texi: Fix typos.
2902 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2904 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2905 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2906 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2908 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2910 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2911 arg to be struct mach_header_64* instead.
2913 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2916 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2917 side effects after the outer expression's post side effects.
2919 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2921 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2922 comments to reflect actual behavior and relationship between
2923 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2925 * doc/c-tree.texi (Working with declarations): Fix documentation
2926 of FIELD_DECL likewise.
2928 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2931 * doc/extend.texi: Add used variable attribute description.
2933 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2936 * c.opt (Woverride-init): New.
2937 * c-opts.c (c_common_post_options): Default warn_override_init to
2939 * c-typeck.c (add_pending_init, output_init_element): Warn for
2940 overriding initializers without side effects.
2941 * doc/invoke.texi (-Woverride-init): Document.
2944 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2946 PR rtl-optimization/28096
2947 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2948 assignment has already been used as a destination earlier in the block.
2950 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2952 * builtins.c (expand_builtin_setjmp): Delete.
2953 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2954 <BUILT_IN_SETJMP_SETUP>: New case.
2955 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2956 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2957 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2958 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2959 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2960 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2961 (lower_function_body): Initialize it to false. If it is set to true
2962 at the end of the processing, emit the setjmp dispatcher.
2963 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2964 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2965 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2966 on the rhs of the assignment.
2967 (lower_builtin_setjmp): New function.
2968 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2969 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2970 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2971 to detect calls that can go to non-local labels. Use specific
2972 helper to create the abnormal edges associated with them.
2973 <MODIFY_EXPR>: Likewise.
2974 (make_abnormal_goto_edges): New function extracted from...
2975 (make_goto_expr_edges): ...here. Call it for computed gotos.
2976 (simple_goto_p): Minor tweak.
2977 (tree_can_make_abnormal_goto): New predicate.
2978 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2979 (tree_purge_dead_abnormal_call_edges): New function.
2980 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2981 (tree_purge_dead_abnormal_call_edges): Likewise.
2982 (make_abnormal_goto_edges): Likewise.
2983 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2984 Purge all dead abnormal edges if the call was in the last statement.
2985 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2986 (execute_fixup_cfg): If there are non-local labels in the function,
2987 scan the basic blocks and split them at calls that can go to non-local
2988 labels or add missing abnormal call edges. Write down the CFG in the
2990 (pass_fixup_cfg): Remove TODO_dump_func flag.
2991 * unwind-sjlj.c: Poison setjmp.
2992 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2993 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2994 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2995 (DONT_USE_BUILTIN_SETJMP): Document it.
2997 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3000 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3001 to 1 when __ppc64__ is defined.
3002 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3004 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3006 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3008 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3009 * config/ia64/unwind-hpux.c: Delete.
3011 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3013 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3014 on the element before gimplifying it, instead of punting if it is of
3017 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3019 * doc/loop.texi: New file.
3020 * doc/gccint.texi: Reference loop.texi.
3021 * Makefile.in (loop.texi): Add.
3023 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3025 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3027 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3028 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3030 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3032 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3034 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3036 * doc/install.texi: Document required versions of GMP and MPFR.
3038 2006-09-27 Paul Brook <paul@codesourcery.com>
3041 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3043 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3045 * reload1.c (alter_reg): Require the alignment of the stack slot to
3046 be at least reg_max_ref_width bytes.
3047 (scan_paradoxical_subregs): Record the largest width in
3050 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3054 * tree-nested.c (struct nesting_info): Added static_chain_added.
3055 (convert_call_expr): Set static_chain_added when adding static
3056 chain. Handle OMP_PARALLEL and OMP_SECTION.
3058 2006-09-25 Matthias Klose <doko@debian.org>
3060 * doc/invoke.texi: Add missing full stop.
3062 2006-09-25 Richard Henderson <rth@redhat.com>
3064 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3065 before cgraph_function_flags_ready.
3067 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3068 Adam Nemet <anemet@caviumnetworks.com>
3070 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3071 determine_common_wider_type): New functions.
3072 (get_computation_aff): Use them to simplify arithmetic between
3073 UBASE and CBASE if they are shortened from the same type.
3075 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3078 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3079 -2147483647 - 1 instead of 0x80000000.
3081 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3083 * flags.h (HONOR_NANS): Fix typo in comment.
3085 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3087 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3089 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3093 * tree.c (merge_attributes, attribute_list_contained): If both
3094 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3096 * c-typeck.c (comptypes_internal): Don't consider aggregates
3097 in different TUs as compatible if there one set of attributes is
3098 not a subset of the other type's attributes.
3099 (composite_type): Try harder not to create a new aggregate type.
3101 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3103 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3104 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3105 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3106 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3107 than replicating condition above.
3108 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3110 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3111 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3112 the linker by default.
3114 2006-09-22 Mike Stump <mrs@apple.com>
3116 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3119 2006-09-22 Richard Guenther <rguenther@suse.de>
3122 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3123 sort of stack variables stable.
3125 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3128 * explow.c (force_reg): Set REG_POINTER flag according to
3131 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3133 PR tree-optimization/28888
3134 * tree-if-conv.c (combine_blocks): Rewritten.
3135 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3136 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3138 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3140 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3143 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3145 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3147 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3149 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3151 2006-09-21 Roger Sayle <roger@eyesopen.com>
3154 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3155 dw_fde_current_label, to be the start of the function, i.e. the same
3156 value as dw_fde_begin.
3158 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3160 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3161 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3162 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3163 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3164 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3165 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3166 (abs<mode>2, neg<mode>2): Likewise.
3167 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3168 (*mips_abs_ps): New define_insn.
3170 2006-09-20 Josh Conner <jconner@apple.com>
3173 * calls.c (expand_call): Allow reuse of structure return stack
3176 2006-09-20 Paul Brook <paul@codesourcery.com>
3178 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3181 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3183 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3184 clean up terminology.
3186 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3189 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3190 with tablejumps in them.
3192 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3195 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3196 wrap it into TARGET_EXPR.
3198 2006-09-20 Eric Christopher <echristo@apple.com>
3200 * config/i386/i386.c (x86_fisttp): Remove.
3201 * config/i386/i386.h (x86_fisttp): Ditto.
3202 (TARGET_FISTTP): Ditto.
3204 2006-09-19 Eric Christopher <echristo@apple.com>
3206 * doc/tm.texi (OBJC_JBLEN): Describe.
3207 * config/i386/darwin.h (OBJC_JBLEN): Define.
3208 * config/rs6000/darwin.h: Ditto.
3210 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3212 PR rtl-optimization/21299
3213 * reload1.c (reload): Purge invalid ASMs in the final pass.
3215 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3218 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3219 pointers as legitimate constants.
3221 2006-09-19 Paul Brook <paul@codesourcery.com>
3224 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3226 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3228 PR tree-optimization/28887
3229 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3230 component parts from the reference.
3231 (gather_memory_references_ref): Record the reference without the
3232 nonaddressable component parts.
3234 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3237 * c-opts.c (c_common_handle_option): Ignore the -std options
3238 if the input language is assembly.
3240 2006-09-17 Ira Rosen <irar@il.ibm.com>
3243 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3245 (ptr_ptr_may_alias_p): Likewise.
3246 (record_record_differ_p): New function.
3247 (base_object_differ_p): Call record_record_differ_p.
3249 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3252 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3253 away for the expr argument.
3255 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3258 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3259 before using it for dumping after vectorizing loops.
3261 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3262 Jack Howarth <howarth@bromo.med.uc.edu>
3265 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3266 skip on error_mark_node.
3267 (rs6000_darwin64_record_arg_recurse): Likewise.
3269 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3271 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3272 * doc/rtl.texi: Remove related documentation.
3274 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3276 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3279 2006-09-15 Jim Wilson <wilson@specifix.com>
3281 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3282 Handle symbol offsets same as they are handled in ia64_expand_move
3285 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3287 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3288 Add forgotten parameter to the fprintf call.
3290 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3292 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3294 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3296 * doc/contrib.texi: Add my entry.
3298 2006-09-15 Nick Clifton <nickc@redhat.com>
3300 * doc/md.texi (Processor pipeline description): Fix typo in
3301 example of how to use the absence_set directive and reword the
3302 description to make it slightly easier to read.
3304 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3306 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3307 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3308 expanding the number of iterations.
3309 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3311 * cfgrtl.c (emit_insn_at_entry): New function.
3312 * rtl.h (emit_insn_at_entry): Declare it.
3313 * integrate.c (emit_initial_value_sets): Use it.
3315 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3317 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3319 (struct loop_work and related VEC declarations): Delete.
3320 (bfin_dump_loops): Print out new member bad.
3321 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3322 (bfin_scan_loop): Don't recurse.
3323 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3324 loops. No longer need to update outer loops if the current one is
3325 found bad. Move some validitiy checks to bfin_discover_loop.
3326 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3327 but changed not to check for nesting. Also changed to use the new bad
3329 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3330 time. Use bitmap based test to discover loop nesting.
3332 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3334 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3337 2006-09-14 Richard Guenther <rguenther@suse.de>
3338 Kazu Hirata <kazu@codesourcery.com>
3340 PR middle-end/28884.
3341 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3342 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3343 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3344 with TARGET_FUNCTION_VALUE.
3346 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3349 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3351 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3353 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3356 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3359 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3362 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3364 * basic_block.h (bb_has_eh_pred): Fix comment.
3366 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3368 * flow.c (calculate_global_regs_live): Invalidate eh registers
3369 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3370 (propagate_block): Handle eh registers as if they were set at basic
3372 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3374 * global.c (global_conflicts): Make eh registers to conflict with
3375 pseudos live at basic block begin.
3376 * basic_block.h (bb_has_eh_pred): New function.
3378 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3380 PR rtl-optimization/28982
3381 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3382 index of a PRE_MODIFY or POST_MODIFY address.
3383 * reload1.c (inc_for_reload): Use find_replacement on the original
3384 base and index registers.
3386 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3388 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3389 for -Os. Update __m128 alignment requirement.
3391 2006-09-13 Jan Hubicka <jh@suse.cz>
3393 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3395 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3397 PR rtl-optimization/28243
3398 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3399 the insn to which the note was originally attached.
3401 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3402 Roger Sayle <roger@eyesopen.com>
3404 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3405 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3406 on platforms that don't use dwarf for debug info.
3408 2006-09-12 Jason Merrill <jason@redhat.com>
3411 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3412 hard_frame_pointer_rtx after using it to update the frame pointer.
3414 2006-09-12 Roger Sayle <roger@eyesopen.com>
3416 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3417 (TARGET_ASM_CLOSE_PAREN): Likewise.
3418 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3419 (TARGET_ASM_CLOSE_PAREN): Likewise.
3421 2006-09-12 Roger Sayle <roger@eyesopen.com>
3424 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3425 frame information for frames larger than 512 Kbytes on Tru64 when
3426 using the native assembler.
3428 2006-09-12 Roger Sayle <roger@eyesopen.com>
3432 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3433 and symbols. Instead use the implementation from cse.c's hash_rtx.
3435 2006-09-12 Jan Hubicka <jh@suse.cz>
3437 PR rtl-optimization/28071
3438 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3439 (vect_transform_loop): Likewise.
3440 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3441 (new_loop_vec_info): Likewise.
3442 (destroy_loop_vec_info): Likewise.
3443 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3444 (create_stmt_ann): Likewise.
3445 (create_tree_ann): Rename to ...
3446 (create_tree_common_ann): ... this one; allocate only the common part
3448 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3449 (get_value_handle): Likewise.
3450 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3451 get_tree_common_ann.
3452 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3453 (vinfo_for_stmt): Use stmt annotations.
3454 * tree-flow.h (tree_ann_common_t): New type.
3455 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3456 (tree_ann, get_tree_ann, create_tree_ann): New.
3457 * tree-flow-inline.h (get_function_ann): Do more type checking.
3458 (stmt_ann): Likewise.
3459 (tree_ann): Rename to ...
3460 (tree_common_ann): ... this one; return ony common_ann
3461 (get_tree_ann): Rename to ...
3462 (tree_common_ann): This one; return only common_ann.
3463 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3466 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3468 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3469 with_cpu by default.
3471 * dwarf2out.c (dwarf_file_data): New.
3472 (enum dw_val_class): Add dw_val_class_file.
3473 (struct dw_val_struct): Add val_file.
3474 (file_table): Change to a hash table.
3475 (file_table_emitted): Delete.
3476 (file_table_last_lookup_index): Delete.
3477 (emitcount): Delete.
3478 (last_emitted_file): New.
3479 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3480 (init_file_table): Delete.
3481 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3482 (AT_addr): Add comment.
3486 (print_die): Handle dw_val_class_file.
3487 (print_dwarf_line_table): Update for new file table structure.
3488 (attr_checksum): Do checksum a filename.
3489 (same_dw_val_p, same_attr_p): Do compare a filename.
3490 (size_of_die): Handle dw_val_class_file.
3491 (value_format): Likewise.
3492 (output_die): Likewise. Also, call maybe_emit_file here.
3493 (struct file_info): Constify filenames. Make file_idx a pointer
3494 to a struct dwarf_file_data.
3495 (struct dir_info): Constify directory names. Remove 'used' field.
3496 (struct file_name_acquire_data): New.
3497 (file_name_acquire): New.
3498 (output_file_names): Modify to handle new file data structures.
3499 (add_src_coords_attributes): Use add_AT_file.
3500 (add_call_src_coords_attributes): Likewise.
3501 (dwarf2out_imported_module_or_decl): Likewise.
3502 (gen_subprogram_die): Modify for new file data structures.
3503 (gen_variable_die): Likewise.
3504 (file_table_eq): New.
3505 (file_table_hash): New.
3506 (file_table_last_lookup): New.
3507 (lookup_filename): Rewrite to handle new file data structures.
3508 (maybe_emit_file): Rewrite to handle new file data structures.
3509 (dwarf2out_source_line): Always call lookup_filename and
3511 (dwarf2out_init): Create file_table here.
3512 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3513 (file_table_relative_p): New.
3514 (dwarf2out_finish): Change detection of relative filenames
3515 to work with new file data structures. Move output_line_info call
3516 after debug_info output.
3518 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3523 * config/i386/i386.c (override_options): Always default to 16
3524 byte stack boundary.
3526 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3529 * var-tracking.c (dump_dataflow_set): Start dumping at
3531 (clobber_variable_part): Kill only the variable part in
3532 registers holding it, leaving other variables alone.
3534 2006-09-11 Josh Triplett <josh@freedesktop.org>
3536 * doc/extend.texi (Other Builtins): Actually use the macro
3537 argument in the documentation example for
3538 __builtin_types_compatible_p.
3540 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3542 PR rtl-optimization/28726
3543 * sched-deps.c (sched_analyze_reg): New function extracted from...
3544 (sched_analyze_1): ...here. Call it to analyze references to
3545 registers. Treat again writes to a stack register as writing to the
3547 (sched_analyze_2): ...and here. Call it to analyze references to
3548 registers. Treat again reads of a stack register as reading the
3551 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3552 David Edelsohn <edelsohn@gnu.org>
3555 * config/rs6000/spe.md (frob_df_di): Remove %H.
3556 (frob_di_df): Remove %H. Change evmergelo to mr.
3557 (frob_di_df_2): Remove %H. Change evldd to two loads.
3559 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3561 * doc/cpp.texi: Fix names of charset options.
3563 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3566 * config/i386/i386.c (override_options): Use 128-bit
3567 stack boundary always for 64bits.
3569 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3571 PR rtl-optimization/28636
3572 * combine.c (force_to_mode): Test for side-effects before
3573 substituting by zero.
3574 (simplify_shift_const): Likewise for zero or other constants.
3576 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3579 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3582 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3585 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3586 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3587 returned by mode_for_size, rather than the mode of src itself,
3588 to choose between 32-bit and 64-bit patterns.
3589 (mips_mem_fits_mode_p): New function.
3590 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3591 that the size of the source matches the size of the destination.
3592 (mov_<store>l, mov_<store>r): Likewise.
3594 2006-09-10 Eric Christopher <echristo@apple.com>
3596 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3599 2006-09-09 Eric Christopher <echristo@apple.com>
3602 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3605 2006-09-09 Roger Sayle <roger@eyesopen.com>
3606 Nicolas Setton <setton@adacore.com>
3608 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3610 2006-09-10 Andreas Schwab <schwab@suse.de>
3612 * config/m68k/m68k.md (bungt_rev): New pattern.
3614 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3615 Dale Johannesen <dalej@apple.com>
3618 * regclass.c (struct reg_pref): Update documentation.
3619 (regclass): Set prefclass to NO_REGS if memory is the best option.
3620 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3622 2006-09-08 Eric Christopher <echristo@apple.com>
3624 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3625 * config/t-slibgcc-darwin: Support x86_64 multilib.
3626 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3627 Return 1 for x86_64-darwin.
3628 * config/i386/t-darwin: Add m64 multilib.
3629 (LIB2_SIDITI_CONV_FUNCS): Use.
3630 (LIB2FUNCS_EXTRA): Ditto.
3631 * config/i386/darwin.h: Support x86_64.
3632 * config/i386/i386.c (override_options): Turn on flag_pic
3633 for x86_64-darwin. Disable flag_omit_pointer.
3634 (get_pc_thunk_name): Assert !TARGET_64BIT.
3635 (legitimate_address_p): Disable machopic addressing for
3637 (legitimize_pic_address): Ditto.
3638 (ix86_expand_move): Ditto.
3639 (ix86_expand_call): Ditto.
3640 (machopic_output_stub): Ditto.
3641 * config/darwin.c (machopic_select_section): Support literal16.
3642 (machopic_select_rtx_section): Ditto.
3643 * config/darwin-sections.def: Ditto.
3644 * config/darwin-64.c: New.
3646 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3649 * c-tree.h (struct c_arg_info): Add pending_sizes.
3650 * c-parser.c (c_parser_parms_declarator,
3651 c_parser_parms_list_declarator): Initialize pending_sizes.
3652 * c-decl.c (get_parm_info): Initialize pending_sizes.
3653 (get_parm_info): Set pending_sizes.
3654 (grokdeclarator): Call put_pending_sizes for parameters for
3655 function definition only.
3657 2006-09-07 Jason Merrill <jason@redhat.com>
3660 * varasm.c (output_constant): Only strip actual no-op conversions.
3663 * config/i386/i386.c (override_options): Use 128-bit
3664 stack boundary if -msse.
3666 2006-09-07 Eric Christopher <echristo@apple.com>
3668 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3670 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3673 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3675 * dwarf2out.c: Remove strange characters from comment above
3676 dwarf2out_frame_debug_expr.
3678 2006-09-07 Eric Christopher <echristo@apple.com>
3680 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3681 * config/darwin.h: ... to here.
3683 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3685 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3687 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3688 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3690 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3691 TARGET_PARTIAL_FLAG_REG_STALL.
3692 (*ashldi3_cconly_rex64): Likewise.
3693 (*ashlsi3_cmp): Likewise.
3694 (*ashlsi3_cconly): Likewise.
3695 (*ashlsi3_cmp_zext): Likewise.
3696 (*ashlhi3_cmp): Likewise.
3697 (*ashlhi3_cconly): Likewise.
3698 (*ashlqi3_cmp): Likewise.
3699 (*ashlqi3_cconly): Likewise.
3700 (*ashrdi3_cmp_rex64): Likewise.
3701 (*ashrdi3_cconly_rex64): Likewise.
3702 (*ashrsi3_cmp): Likewise.
3703 (*ashrsi3_cconly): Likewise.
3704 (*ashrsi3_cmp_zext): Likewise.
3705 (*ashrhi3_cmp): Likewise.
3706 (*ashrhi3_cconly): Likewise.
3707 (*ashrqi3_cmp): Likewise.
3708 (*ashrqi3_cconly): Likewise.
3709 (*lshrdi3_cmp_rex64): Likewise.
3710 (*lshrdi3_cconly_rex64): Likewise.
3711 (*lshrsi3_cmp): Likewise.
3712 (*lshrsi3_cconly): Likewise.
3713 (*lshrsi3_cmp_zext): Likewise.
3714 (*lshrhi3_cmp): Likewise.
3715 (*lshrhi3_cconly): Likewise.
3716 (*lshrqi2_cmp): Likewise.
3717 (*lshrqi2_cconly): Likewise.
3719 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3722 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3723 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3724 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3725 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3726 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3727 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3728 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3729 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3730 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3731 implement only CC setting effects of shift instructions.
3733 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3735 * doc/contrib.texi: Add myself.
3737 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3740 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3741 was set by the user.
3743 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3746 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3747 (divsi_inv_m1): Use them.
3748 (UNSPEC_DIV_INV_TABLE): New constant.
3750 2006-09-06 James E Wilson <wilson@specifix.com>
3753 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3754 then call count_or_remove_death_notes.
3756 2006-09-06 Jason Merrill <jason@redhat.com>
3759 * tree-inline.c (copy_result_decl_to_var): New fn.
3760 (declare_return_variable): Use it. Call declare_inline_vars here.
3761 (expand_call_inline): Not here.
3763 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3765 * doc/contrib.texi: Update my entry.
3767 2006-09-06 Nick Clifton <nickc@redhat.com>
3769 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3771 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3774 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3775 (canonicalize_induction_variables): Likewise.
3776 (tree_unroll_loops_completely): Likewise.
3777 (tree_ssa_prefetch_arrays): Likewise.
3778 (remove_empty_loops): Likewise.
3779 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3780 TODO_cleanup_cfg instead of directly calling
3781 cleanup_tree_cfg_loop.
3782 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3784 (tree_unroll_loops_completely): Likewise.
3785 (remove_empty_loops): Likewise.
3786 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3787 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3788 of tree_ssa_unswitch_loops.
3789 (tree_ssa_loop_ivcanon): Use the return value of
3790 canonicalize_induction_variables.
3791 (tree_ssa_empty_loop): Use the return value of
3793 (tree_complete_unroll): Use the return value of
3794 tree_unroll_loops_completely.
3795 (tree_ssa_loop_prefetch): Use the return value of
3796 tree_ssa_prefetch_arrays.
3797 * passes.c (execute_todo): Before Cleanup CFG, set
3798 updating_used_alone and after cleanup CFG, call
3799 recalculate_used_alone.
3801 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3804 * tree-vect-transform.c (vectorizable_condition): Move the check
3805 for the type after the check for simple condition.
3807 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3808 Kaz Kojima <kkojima@gcc.gnu.org>
3811 * mode-switching.c (optimize_mode_switching): Make the destination
3812 block of an abnormal edge have no anticipatable mode. Don't
3813 insert mode switching code at the end of the source block of
3816 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3818 PR rtl-optimization/26847
3819 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3820 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3821 (simplify_plus_minus): Count n_constants while filling ops. Replace
3822 qsort with insertion sort. Before going through the array to simplify
3823 pairs, sort it. Delay early exit until after the first sort, exiting
3824 only if no swaps occurred. Simplify pairs in reversed order, without
3825 special-casing the first iteration. Pack ops after simplifying pairs.
3827 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3829 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3830 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3831 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3832 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3834 2006-09-05 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/28900
3837 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3838 compound conditional before creating COND_EXPR condition.
3840 2006-09-05 Richard Guenther <rguenther@suse.de>
3842 PR tree-optimization/28905
3843 * tree-vrp.c (fix_equivalence_set): Manually implement
3844 !value_ranges_intersect_p to also handle symbolic ranges.
3846 2006-09-05 Richard Guenther <rguenther@suse.de>
3849 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3852 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3854 PR rtl-optimization/27616
3855 * cse.c (table_size): New static variable.
3856 (new_basic_block): Initialize it to 0.
3857 (remove_from_table): Decrement it.
3858 (insert): Increment it.
3859 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3860 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3861 fold_rtx_mem_1 if under the cap.
3862 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3863 the lookup of the equivalent expression and test for equality of the
3864 first operand of the equivalent expression before in turn looking up
3865 an equivalent constant for the second operand.
3867 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3870 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3871 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3872 pointer, instead of assuming it is possible to derive the
3873 correct args size from a call insn.
3875 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3878 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3879 (fold_builtin_mempcpy): Rename to...
3880 (fold_builtin_memory_op): ... this. Optimize one element copy
3882 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3884 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3885 (expand_builtin_memcpy, expand_builtin_mempcpy,
3886 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3887 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3888 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3889 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3891 2006-09-01 DJ Delorie <dj@redhat.com>
3893 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3894 (stzx_16): Likewise.
3895 ("stzx_24_<mode>"): Likewise.
3896 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3897 ("cmp<mode>_op"): New.
3898 (cmp<mode>): Change to expander; just save operands.
3900 (b<code>): Change to expander, emit compare here.
3901 (s<code>_op): Change to use split and expander.
3902 (s<code>_24_op): Likewise.
3903 (s<code>_<mode>): New.
3904 (s<code>_<mode>_24): New.
3905 (movqicc_<code>_<mode): New.
3906 (movhicc_<code>_<mode>): New.
3909 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3910 (m32c_pend_compare): New.
3911 (m32c_unpend_compare): New.
3912 (m32c_expand_scc): New.
3913 (m32c_expand_movcc): Emit the compare also.
3914 * config/m32c/predicates.md (mra_nopp_operand): New.
3916 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3917 Richard Guenther <rguenther@suse.de>
3918 Adam Nemet <anemet@caviumnetworks.com>
3921 * builtins.c (get_pointer_alignment): Handle more forms
3922 of base addresses that can be used to derive more precise
3923 information about alignment.
3925 2006-09-01 Jason Merrill <jason@redhat.com>
3928 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3931 * gimplify.c (voidify_wrapper_expr): Handle null type.
3933 2006-09-01 Josh Conner <jconner@apple.com>
3936 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3937 (execute_return_slot_opt): Use it.
3939 2006-08-31 Josh Conner <jconner@apple.com>
3942 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3943 returning aggregates.
3945 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3947 PR tree-optimization/28839
3948 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3949 blocks in that phi arguments appear.
3951 2006-08-31 Roger Sayle <roger@eyesopen.com>
3954 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3955 NULL, otherwise use an advance_loc4 to adjust relative to the
3957 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3958 (dwarf2out_switch_text_section): Reset the current label to avoid
3959 using advance_loc4 over section boundaries.
3961 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3964 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3965 r12 + SYMBOLIC_CONST.
3967 2006-08-30 Richard Guenther <rguenther@suse.de>
3969 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3971 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3973 PR rtl-optimization/27735
3974 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3975 Add new argument to keep track of whether an irreducible region
3976 was affected. All callers changed.
3977 (fix_irreducible_loops): Removed.
3978 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3979 flags were invalidated.
3981 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3983 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3984 instead of SF operands.
3985 (*fop_df_comm_sse): Likewise.
3986 (*fop_df_comm_i387): Likewise.
3987 (*fop_df_1_mixed): Likewise.
3988 (*fop_df_1_sse): Likewise.
3990 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3991 J"orn Rennecke <joern.rennecke@st.com>
3993 PR tree-optimization/17506
3994 * tree-ssa.c (warn_uninit): If warning about a location outside of
3995 the current function, note where the variable was declared.
3997 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3999 PR tree-optimization/28411
4000 * double-int.c (double_int_div): Use double_int_divmod.
4001 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4002 double_int_mod, double_int_smod, double_int_umod): New functions.
4003 * double-int.h (double_int_divmod, double_int_sdivmod,
4004 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4006 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4008 (get_computation_aff, get_computation_cost_at): Handle double_int
4009 return type of constant_multiple_of.
4011 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4014 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4015 an implicit conversion.
4017 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4019 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4021 2006-08-27 Roger Sayle <roger@eyesopen.com>
4023 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4026 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4028 * config/i386/crtfastmath.c: Fix a comment typo.
4030 2006-08-26 Roger Sayle <roger@eyesopen.com>
4032 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4033 temporary visit flags on CASE_LABEL_EXPRs.
4034 * c-common.c (match_case_to_enum): Add function comment. Avoid
4035 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4036 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4037 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4038 a constant, only warn if that constant value isn't handled.
4040 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4043 * input.h (restore_input_file_stack): Declare.
4044 (INPUT_FILE_STACK_BITS): Define.
4045 * toplev.c (fs_p, input_file_stack_history,
4046 input_file_stack_restored, restore_input_file_stack): New.
4047 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4048 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4049 (pop_srcloc): Don't free old state of stack.
4051 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4054 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4055 (PowerPC Type Attributes): New.
4057 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4059 * config/xtensa/xtensa.c (function_arg_boundary): New.
4060 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4062 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4063 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4065 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4068 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4071 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4073 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4074 (verify_local_live_at_start): Likewise.
4076 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4079 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4080 omp_add_variable): Treat sizes as variable whenever not
4083 2006-08-26 Richard Guenther <rguenther@suse.de>
4086 * fold-const.c (fold_binary): Fold temporary to correct
4087 type before constructing new comparison.
4089 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4092 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4093 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4095 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4098 * c-decl.c (start_function): Don't try to process prototype
4099 information from old declaration that isn't a function.
4101 2006-08-25 Jan Hubicka <jh@suse.cz>
4104 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4106 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4109 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4112 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4114 PR tree-optimization/16876
4115 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4116 exit if PARM doesn't match VALUE.
4118 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4120 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4121 literal_prefix directive.
4122 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4123 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4124 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4126 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4129 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4130 predicate to general_operand. Add 0->y and I->r alternatives.
4132 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4134 * doc/tm.texi: Fix a typo.
4135 * predict.c: Fix comment typos.
4137 2006-08-25 Nick Clifton <nickc@redhat.com>
4139 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4140 assertions of "cpu" and "machine".
4142 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4145 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4146 the access through a base which has an alias set of 0 cannot
4149 2006-08-24 Bill Wendling <wendling@apple.com>
4151 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4153 2006-08-24 Jan Hubicka <jh@suse.cz>
4155 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4157 2006-08-24 Jan Hubicka <jh@suse.cz>
4160 * cgraph.c: Fix comments.
4161 (cgraph_varpool_mark_needed_node): Mark only variables not already
4163 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4164 (cgraph_varpool_assembled_nodes_queue): New static variable.
4165 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4166 (cgraph_varpool_output_debug_info): New function.
4167 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4168 * Makefile.in: Add gt-cgraphunit.h
4170 2006-08-24 Jan Hubicka <jh@suse.cz>
4172 * predict.c (probability_reliable_p): New predicate.
4173 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4174 (predict_loops): Do not predict loop exit with less than 2%
4176 * basic-block.h (edge_probability_reliable_p,
4177 br_prob_note_reliable_p): Declare.
4178 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4179 prediction when static predictor is not reliable.
4180 * rs6000.c (output_cbranch): Likewise.
4182 2006-08-23 Stuart Hastings <stuart@apple.com>
4185 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4186 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4188 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4191 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4192 complex values, nor for generic vector values.
4194 2006-08-22 Richard Guenther <rguenther@suse.de>
4197 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4198 parameter. Convert arguments to arithmetic expression to the
4200 (analyze_scalar_evolution_1): Adjust caller.
4202 2006-08-22 Jan Hubicka <jh@suse.cz>
4204 Patch by Paolo Bonzini
4205 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4208 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4210 PR tree-optimization/28003
4211 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4212 before grouping aliases.
4214 2006-08-22 Roger Sayle <roger@eyesopen.com>
4216 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4217 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4219 2006-08-21 Jason Merrill <jason@redhat.com>
4222 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4223 wrapper. Loop to handle nested wrappers.
4224 (gimplify_bind_expr): Remove temp parameter.
4225 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4226 and STATEMENT_LIST on the rhs.
4227 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4228 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4229 (gimplify_target_expr): Remove special BIND_EXPR handling.
4231 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4233 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4236 2006-08-21 Olivier Hainque <hainque@adacore.com>
4238 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4239 Arrange for the temporary captures of components overlapping the lhs
4240 to happen before the lhs is possibly cleared.
4242 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4244 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4245 necessary places to pass the correct "number of registers" values
4248 2006-08-20 Jan Hubicka <jh@suse.cz>
4250 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4251 (create_name_tags): Instead of quadratic checking use hashtable.
4252 * bitmap.h: Include hashtab.h.
4253 (bitmap_hash): Declare.
4254 * bitmap.c (bitmap_hash): New function.
4256 2006-08-20 Jan Hubicka <jh@suse.cz>
4258 PR rtl-optimization/28071
4259 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4261 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4262 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4263 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4264 cgraph_decide_inlining_incrementally): Update use of
4265 cgraph_check_inline_limits.
4266 * cgraph.c (edge_hash, edge_eq): New function.
4267 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4268 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4269 cgraph_remove_node): Maintain call site hash.
4270 * cgraph.h (struct cgraph_node): Add call_site_hash.
4271 (cgraph_set_call_stmt): New function.
4273 2006-08-20 Jan Hubicka <jh@suse.cz>
4275 PR rtl-optimization/28071
4276 * reload1.c (reg_has_output_reload): Turn into regset.
4277 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4278 choose_reload_regs, emit_reload_insns): Update to new
4279 reg_has_output_reload.
4281 2006-08-20 Jan Hubicka <jh@suse.cz>
4284 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4285 function body sizes.
4286 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4288 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4291 * tree.c (handle_dll_attribute): Return early if not a
4292 var or function decl.
4294 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4297 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4298 alignment of SPE vector types.
4300 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4302 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4304 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4307 * cgraph.h (struct cgraph_node): Remove externally_visible
4309 * cgraphunit.c (process_function_and_variable_attributes): Set
4310 local.externally_visible rather than externally_visible.
4313 * c-common.c (handle_externally_visible_attribute): First look
4314 at TREE_CODE and only if it is function or var decl, check for
4315 non-public objects. Don't warn for DECL_EXTERNAL.
4316 * cgraphunit.c (process_function_and_variable_attributes): Warn
4317 if externally_visible attribute is used on non-public object.
4319 2006-08-17 Jan Hubicka <jh@suse.cz>
4321 PR tree-optimization/27865
4322 * reload1.c (forget_marked_reloads): New function.
4323 (forget_old_reloads_1): When data are passed, just mark the registers
4325 (reload_as_needed): Use the new mechanizm.
4327 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4330 * reload.h (reg_equiv_alt_mem_list): New declaration.
4331 * reload1.c (reg_equiv_alt_mem_list): New definition.
4332 (reload): Initialize it and release it.
4333 (delete_output_reload): Use it.
4334 * reload.c (push_reg_equiv_alt_mem): New function.
4335 (find_reloads_toplev): Call it.
4336 (find_reloads_address, find_reloads_address_1): Likewise.
4337 (find_reloads_subreg_address): Likewise.
4339 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4341 PR rtl-optimization/28489
4342 * sched-ebb.c (begin_schedule_ready): Create basic block
4344 (advance_target_bb): Skip empty blocks.
4345 * haifa-sched.c (bb_note): Make global.
4346 * sched-int.h (bb_note): Add prototype.
4348 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4350 PR tree-optimization/27865
4351 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4353 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4354 fold_used_pointer, pointer_used_p): New functions.
4355 (analyze_scalar_evolution_1): Use fold_used_pointer.
4356 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4357 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4360 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4363 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4364 or the INTEGER_CST. Fail on a CALL_EXPR.
4365 (fold_offsetof): Pass new argument to fold_offsetof_1.
4366 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4367 operand into an INDIRECT_REF.
4368 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4370 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4372 PR gcov/profile/26570
4373 * value-prof.c (static_values): Removed.
4374 (tree_find_values_to_profile): Do not set static_values.
4375 (find_values_to_profile): Do not free static_values.
4376 * profile.c (instrument_values): Do not free the values.
4377 (branch_prob): Free the values.
4379 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4381 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4383 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4386 * c-typeck.c (build_component_ref): Combine qualifiers of
4387 structure or union and field.
4389 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4391 PR rtl-optimization/28071
4392 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4393 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4394 * tree-into-ssa.c (struct dom_dfsnum): New.
4395 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4397 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4398 compute_global_livein.
4399 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4400 in phi nodes in the correct blocks.
4402 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4404 PR tree-optimization/28364
4405 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4407 (fold_affine_expr): New function.
4408 (may_eliminate_iv): Use fold_affine_expr.
4410 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4413 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4416 2006-08-16 Mike Stump <mrs@apple.com>
4418 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4419 * doc/cppopts.texi (-MD): Likewise.
4421 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4424 * c-common.c (handle_weak_attribute): Ignore and warn if
4425 not a FUNCTION_ or VAR_DECL.
4427 2006-07-15 Mike Stump <mrs@apple.com>
4430 * c-parser.c (c_parser_typeof_specifier): Don't use
4431 c_finish_expr_stmt, open code desired semantics instead.
4433 2006-08-15 Nick Clifton <nickc@redhat.com>
4435 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4436 fragment to tmake_file only if threads are enabled.
4437 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4438 * config/i386/t-gthr-win32: New file. ... here.
4440 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4443 * c-parser.c (c_parser_compound_statement_nostart): Reset
4444 parser->error after each statement.
4446 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4449 * omp-low.c (lower_omp_parallel): Convert t to
4450 receiver_decl's type.
4451 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4452 source before comparison.
4455 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4456 to itype in assignment to oldival2.
4458 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4462 * c-typeck.c (build_compound_expr): If the second expression
4463 is an error mark, then just return an error mark instead of
4464 creating a COMPOUND_EXPR.
4466 2006-07-14 Mike Stump <mrs@apple.com>
4468 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4470 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4472 * c-decl.c, var-tracking.c: Fix comment typos.
4474 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4476 PR rtl-optimization/28634
4477 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4478 for floating-point modes unless flag_unsafe_math_optimizations.
4480 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4481 Andrew Pinski <pinskia@physics.uc.edu>
4484 * tree.c (build_array_type): Unify array types with
4485 unspecified index_type.
4486 * c-decl.c (grokdeclarator): Make sure we do not modify a
4487 unified incomplete array type.
4488 * c-typeck.c (store_init_value): Create distinct type before
4489 filling in the index type in an initializer from a compound
4492 * c-decl.c (grokdeclarator): Remove code where we copy the
4495 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4497 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4498 into account for TODO_dump_cgraph.
4499 (TODO_update_ssa_no_phi): Likewise.
4500 (TODO_update_ssa_full_phi): Likewise.
4501 (TODO_update_ssa_only_virtuals): Likewise.
4502 (TODO_remove_unused_locals): Likewise.
4503 (TODO_set_props): Likewise.
4504 (TODO_update_stmt_usage): Likewise.
4506 2006-08-13 Dirk Mueller <dmueller@suse.de>
4508 * c-common.c (strict_aliasing_warning): Fix formatting.
4510 2006-08-13 Matthias Klose <doko@debian.org>
4512 * doc/invoke.texi: Fix spelling errors.
4514 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4516 PR rtl-optimization/23454
4517 * reorg.c (relax_delay_slots): Update comment.
4519 2006-08-11 Richard Guenther <rguenther@suse.de>
4522 * simplify-rtx.c (simplify_const_relational_operation):
4523 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4526 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4528 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4529 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4531 2006-08-10 Paul Brook <paul@codesourcery.com>
4533 * final.c (final_scan_insn): Clear current_insn_predicate before
4534 outputting inline asm.
4536 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4538 PR tree-optimization/26197
4539 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4540 get_ref_base_and_extent and overlap_subvar to add only relevant
4541 subvars as may-aliases.
4542 (add_may_alias_for_new_tag): New function, factored out of
4544 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4545 with additional argument.
4546 * tree-flow.h (new_type_alias): Takes additional argument.
4548 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4550 * gcov.c (no_data_file): New flag.
4551 (read_count_file): Set it if data file not present. Assume counts
4553 (output_lines): Don't name the data file, if there wasn't one.
4555 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4557 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4558 (rs6000_generate_compare): Tweak comments.
4559 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4561 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4563 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4564 (var_debug_decl): New function.
4565 (var_reg_set): Follow debug decl link. Add location even if
4566 reg is already known to hold some other variable.
4567 (var_mem_set): Follow debug decl link.
4568 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4569 decl link. Delete other known locations of the variable part
4571 (var_reg_delete, var_mem_delete): Delete other known locations
4572 of the variable part if requested.
4573 (same_variable_part_p): New function.
4574 (add_stores): Select MO_COPY when appropriate.
4575 (vt_initialize): Handle it.
4576 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4577 known locations for MO_SET and MO_CLOBBER.
4578 (find_variable_location_part): New function.
4579 (set_variable_part, delete_variable_part): Use it.
4580 (clobber_variable_part): New function.
4581 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4584 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4586 PR tree-optimization/26969
4587 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4588 with an empty list of PHIs.
4590 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4594 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4597 2006-08-06 Andreas Schwab <schwab@suse.de>
4599 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4600 string. Whitespace and comment fixup.
4602 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4605 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4609 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4612 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4614 2006-08-04 Jan Hubicka <jh@suse.cz>
4618 * reload.c (push_reload): Patch out the mismatching instruction;
4620 (find_reload): Bail out if the instruction was patched out.
4622 2006-08-04 Jan Hubicka <jh@suse.cz>
4624 PR tree-optimization/24888
4625 * tree-inline.c (expand_call_inline): Do not re-record variables.
4626 (declare_inline_vars): Add variable to unexpanded_var_list.
4628 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4629 Roger Sayle <roger@eyesopen.com>
4631 PR rtl-optimization/26244
4632 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4633 inner_const are negative or greater than or equal to the bitsize of
4634 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4635 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4636 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4637 CONST0_RTX (mode) when the new shift count is greater than or equal to
4638 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4641 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4643 * tree-cfg.c: Fix a comment typo.
4645 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4648 * varasm.c (output_constant): Give the front end another chance to
4649 expand constants, after stripping NOPs.
4651 2006-08-03 Jan Hubicka <jh@suse.cz>
4653 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4656 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4658 PR tree-optimization/27770
4659 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4660 declaration removed (moved to tree-flow.h).
4661 (vect_can_force_dr_alignment_p): Likewise.
4662 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4663 (moved from tree-vectorizer.h).
4664 (vect_can_force_dr_alignment_p): Likewise.
4665 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4666 from outside the vectorizer - in particular from cgraph stage.
4667 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4668 the alignment of global arrays when -fsection-anchors is enabled.
4669 * cgraphunit.c (cgraph_increase_alignment): New function.
4670 (cgraph_optimize): Call cgraph_increase_alignment.
4672 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4675 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4676 not reload a SPE symbol_ref into a lo_sum address.
4678 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4681 * dwarf2out.c (prune_unused_types_prune): Move call to
4682 prune_unused_types_update_strings to cover the parent DIE also.
4684 2006-08-02 Jan Hubicka <jh@suse.cz>
4686 PR gcov/profile/28480
4687 * tree-cfg.c (change_bb_for_stmt): New function.
4688 (tree_merge_blocks, tree_split_blocks): Use it.
4690 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4696 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4697 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4698 (cgraph_optimize): Likewise.
4700 2006-08-01 Stuart Hastings <stuart@apple.com>
4702 * rtl.h (UINTVAL) New.
4703 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4704 * testsuite/gcc.dg/20060801-1.c: New.
4706 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4709 * c-typeck.c (build_external_type): Mark used enum types.
4710 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4712 (gen_subprogram_die): Whitespace fix.
4714 2006-08-01 Jan Hubicka <jh@suse.cz>
4716 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4717 bitmap when not needed.
4718 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4721 2006-08-01 Dirk Mueller <dmueller@suse.de>
4723 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4725 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4727 * Makefile.in: Revert part of previous patch:
4728 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4731 2006-07-30 Eric Christopher <echristo@apple.com>
4734 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4735 (PowerPC Variable Attributes): New section.
4737 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4739 PR target/28126 (partial fix)
4740 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4742 2006-07-28 Jan Hubicka <jh@suse.cz>
4744 PR rtl-optimization/28071
4745 * cfgrtl.c (rtl_delete_block): Free regsets.
4746 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4748 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4750 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4751 and variables used in dependencies.
4753 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4755 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4756 %fs for -mcmodel=kernel.
4757 (stack_tls_protect_test_di): Likewise.
4759 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4761 * Makefile.in: Use mkinstalldirs.
4763 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4766 * opts-common.c (prune_options): Skip joined switches.
4768 2006-07-27 Jan Hubicka <jh@suse.cz>
4770 PR rtl-optimization/28071
4771 * cselib.c (cselib_process_insn): Don't remove useless values too
4772 often for very large hashtables.
4774 2006-07-27 Jan Hubicka <jh@suse.cz>
4776 PR rtl-optimization/28071
4777 * global.c (greg_obstack): New obstack.
4778 (allocate_bb_info): Use it.
4779 (free_bb_info): Likewise.
4780 (modify_reg_pav): Likewise.
4782 2006-07-27 Roger Sayle <roger@eyesopen.com>
4784 * builtins.c (fold_fixed_mathfn): When long and long long are the
4785 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4786 functions to their lceil*, lfloor*, lround* and lrint* forms.
4788 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4791 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4793 (rev_branch_insn): Likewise.
4795 2006-07-27 Jan Hubicka <jh@suse.cz>
4797 PR rtl-optimization/28071
4798 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4799 (reg_set_in_bb, max_reg_computed): New static variables.
4800 (regmove_optimize): Free the new array.
4801 (fixup_match_1): Update call of reg_is_remote_constant_p.
4803 2006-07-26 Jan Hubicka <jh@suse.cz>
4805 PR tree-optimization/27882
4806 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4808 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4810 (cgraph_analyze_compilation_unit): Likewise.
4811 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4812 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4813 (cgraph_early_inlinine): Make order garbage collected.
4814 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4816 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4818 * dbxout.c (output_types_sort): Add a comment.
4819 (output_used_types): Free the VEC.
4821 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4823 * function.c (reorder_fix_fragments): Delete.
4824 (reorder_blocks): Don't call it.
4825 (reorder_blocks_1): Put all subblocks under the origin block.
4827 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4829 PR rtl-optimization/27907
4830 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4833 2006-07-25 Roger Sayle <roger@eyesopen.com>
4836 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4837 bar(x) check that bar's result type can represent all the values of T.
4839 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4841 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4843 2006-07-25 Nick Clifton <nickc@redhat.com>
4845 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4846 size_lookup[] array.
4847 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4848 (ggc_pch_count_object): Likewise.
4849 (ggc_pch_alloc_object): Likewise.
4850 (ggc_pch_write_object): Likewise.
4851 (init_ggc): Do not attempt to initialize entries in the
4852 size_lookup[] array for objects whose size is greater than than
4853 the length of the array.
4855 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4857 * dbxout.c (output_used_types_helper): Push queued types
4859 (output_types_sort): New.
4860 (output_used_types): Collect used types on a VEC and sort them
4863 2006-07-24 Richard Guenther <rguenther@suse.de>
4866 * cgraph.c (cgraph_remove_node): Do not check if dumps
4868 * cgraphunit.c (cgraph_optimize): Likewise.
4870 2006-07-24 Jan Hubicka <jh@suse.cz>
4872 PR rtl-optimization/28071
4873 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4874 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4875 splitting before first stmt.
4877 2006-07-24 Jan Hubicka <jh@suse.cz>
4879 PR rtl-optimization/28071
4880 * ipa-inline.c (update_caller_keys): Remove edges that
4881 are no longer inline candidates.
4883 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4886 * dbxout.c (output_used_types_helper, output_used_types): New.
4887 (dbxout_symbol): Call output_used_types.
4889 2006-07-23 Jan Hubicka <jh@suse.cz>
4893 * cgraph.c (cgraph_varpool_nodes): Export.
4894 (decide_is_variable_needed): Ignored "used" attribute in
4895 unit-at-a-time mode.
4896 * cgraph.h (cgraph_varpool_nodes): Declare.
4897 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4898 unit-at-a-time mode.
4900 2006-07-23 Roger Sayle <roger@eyesopen.com>
4903 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4904 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4905 the __gthrw form of thr_keycreate.
4906 (__gthread_key_delete): Silence the unused argument warning.
4908 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4911 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4912 Cache the last found '\0' marker to avoid quadratic behavior.
4914 2006-07-23 Jan Hubicka <jh@suse.cz>
4916 * i386.md (subsi_3_zext): Fix output template.
4918 2006-07-21 Mike Stump <mrs@apple.com>
4920 * doc/invoke.texi (C++ Dialect Options): Note that
4921 -fvisibility-inlines-hidden doesn't affect explicitly
4922 instantiationed inline methods.
4924 2006-07-20 Roger Sayle <roger@eyesopen.com>
4926 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4927 if the target assembler is GNU binutils' gas.
4928 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4929 whether to pass GNU gas or native as command line options.
4931 2006-07-20 Jason Merrill <jason@redhat.com>
4933 * tree.c (remove_attribute): New fn.
4934 * tree.h: Declare it.
4936 2006-07-20 Paul Brook <paul@codesourcery.com>
4939 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4940 they are invalidated by this instruction.
4942 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4945 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4947 2006-07-20 Eric Christopher <echristo@apple.com>
4950 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4952 2006-07-19 Eric Christopher <echristo@apple.com>
4954 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4955 Rewrite dependencies for libgcc_s.1.dylib.
4957 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4959 * except.c (duplicate_eh_regions_1): Clear next_peer.
4961 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4963 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4964 -mlongcall does not guarantee all calls will be long.
4965 * doc/extend.texi (long_call/short_call): Document that longcall
4966 does not guarantee a long call will be used.
4967 (longcall/shortcall): Likewise.
4969 2006-07-18 Roger Sayle <roger@eyesopen.com>
4972 * expmed.c (expand_shift): Additionally check that the shift_cost
4973 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4974 before implementing a LSHIFT_EXPR as a sequence of additions.
4975 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4976 middle-end that DImode shifts need to be synthesized by expand.
4978 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4981 * tree-ssa-operands.c (access_can_touch_variable): Update
4983 Return true if ALIAS is .GLOBAL_VAR.
4985 2006-07-18 David Daney <ddaney@avtrex.com>
4987 * gcc.c (display_help): Fix typo in help text.
4989 2006-07-18 Olivier Hainque <hainque@adacore.com>
4991 * tree.h (categorize_ctor_elements): Adjust prototype and add
4992 descriptive comment, both in accordance with the interface change
4994 * varasm.c (constructor_static_from_elts_p): New function.
4995 Whether a constructor node is a valid static constant initializer
4996 if all its elements are.
4997 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4998 * output.h: Declare it.
4999 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5000 is a valid constant initializer instead of computing the number of
5001 non-constant elements. Use constructor_static_from_elts_p for this
5002 purpose. Replace the head comment with an indication that this is a
5003 helper for categorize_ctor_elements.
5004 (categorize_ctor_elements): Same interface change as for the _1
5005 helper. Former head comment from this helper moved here, adjusted to
5006 account for the interface changes.
5007 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5008 (all_zeros_p): Likewise.
5009 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5010 static versions of the constructor from the categorize_ctor_elements
5011 return value instead of the formerly computed number of non-constant
5014 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5016 * configure: Regenerate.
5017 * Makefile.in (build_libsubdir): New configure substitution
5018 (build_libobjdir): New variable.
5019 (BUILD_LIBIBERTY): Use it.
5021 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5024 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5026 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5029 * c-common.c (handle_weakref_attribute): Ignore attribute in
5030 the same conditions the alias attribute is ignored.
5032 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5034 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5035 (dbxout_begin_prologue): Increment scope_labelno.
5037 2006-07-17 Richard Henderson <rth@redhat.com>
5040 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5043 2006-07-17 Roger Sayle <roger@eyesopen.com>
5044 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5046 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5047 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5048 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5049 functions such as sbrk, write, etc.. Add function prototypes.
5050 Convert function declarations from K&R to ISO C. Cast pointers
5051 to "long" and "unsigned long" instead of "int" and "unsigned int".
5052 Convert tokens following #endif into comments.
5054 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5056 * invoke.texi: Remove mention of f77; Reformat table for
5057 inline parameter options correctly; mention that -malign-double
5058 is default on x86-64 targets.
5060 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5062 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5063 (convert_affine_scev, chrec_convert_aggressive): Use
5064 avoid_arithmetics_in_type_p. Do not check for the subtypes
5067 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5070 * optabs.c (expand_doubleword_shift): Wrap the call to
5071 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5073 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5076 * optabs.c (expand_binop): Pass next_methods rather than methods
5077 to expand_doubleword_shift.
5079 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5082 * tree.h (dump_addr): Declare.
5083 * print-tree.c (dump_addr): New function.
5084 (print_node_brief, print_node): Use it.
5085 * print-rtl.c (print_rtx): Likewise.
5086 * common.opt (-fdump-noaddr): New option.
5087 * doc/invoke.texi (-fdump-noaddr): Document.
5088 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5089 (ve_info_hash): Likewise.
5091 2006-07-13 Andrew Haley <aph@redhat.com>
5093 PR tree-optimization/19505
5094 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5095 edge leaving this block, make sure that the destination of this
5096 block has only one predecessor.
5098 2006-07-17 Richard Guenther <rguenther@suse.de>
5100 PR tree-optimization/28238
5101 * tree-inline.c (copy_bb): Check if we produced valid
5102 gimple copying and substituting a stmt. If not, gimplify
5105 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5107 * optabs.c (maybe_encapsulate_block): New function extracted from...
5108 (emit_libcall_block): ...here. Invoke it on the block of insns to
5109 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5110 (emit_no_conflict_block): Likewise.
5112 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5114 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5116 2006-07-15 Roger Sayle <roger@eyesopen.com>
5118 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5119 a new NOP_EXPR case of the switch statement.
5121 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5124 * stor-layout.c (place_field): Take the bit field with
5125 an excessive size into account in the ms-bitfiled case.
5128 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5129 the previous bit field.
5131 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5134 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5136 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5138 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5139 signal frames correctly even when the signal was installed with
5142 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5144 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5145 (dbxout_function_end): Use local label LFBB. Remove hook
5147 (dbxout_source_line): Use local label LFBB.
5148 (dbxout_block): Likewise.
5149 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5150 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5151 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5152 and DBX_OUTPUT_NFUN.
5154 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5156 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5158 2006-07-13 Jan Hubicka <jh@suse.cz>
5160 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5162 * output.h (align_variable): Declare.
5163 * varasm.c (align_variable): Export.
5164 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5165 when basic block changed.
5167 2006-07-13 Nick Clifton <nickc@redhat.com>
5169 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5170 walking the LOG_LINKS chain.
5172 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5174 * doc/invoke.texi (C++ Dialect Options): Explain difference
5175 between -fvisibility-inlines-hidden and setting hidden
5176 visibility explicitly.
5178 2006-07-12 Eric Christopher <echristo@apple.com>
5180 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5181 (stmp-lipo): Depend on libgcc.a.
5183 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5185 * tree.c: Fix a comment typo.
5187 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5189 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5191 (umulhisi3_r): Likewise.
5193 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5196 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5197 x < 19, vs wchar_t support.
5199 2006-07-12 Nick Clifton <nickc@redhat.com>
5201 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5202 instead of -isa=sh4.
5204 2006-07-12 Mike Stump <mrs@apple.com>
5206 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5208 2006-07-10 Eric Christopher <echristo@apple.com>
5210 * config/t-slibgcc-darwin: Rewrite.
5212 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5215 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5218 2006-07-08 Matthias Klose <doko@debian.org>
5220 * doc/sourcebuild.texi: Fix typo.
5222 2006-07-07 Mike Stump <mrs@apple.com>
5224 * toplev.c (process_options): Don't give -ffunction-sections may
5225 affect debugging warning for Mach-O.
5227 2006-07-07 James E Wilson <wilson@specifix.com>
5229 * config/mips/mips.md (cpu): Add sb1a.
5230 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5231 addition to sb1. Adjust comments to clarify SB-1A differences from
5233 (ir_sb1a_load): New. Modify bypasses to use it.
5234 (ir_sb1a_simple_alu): Likewise.
5235 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5236 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5237 (mips_issue_rate): Add PROCESSOR_SB1A.
5238 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5239 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5240 (TARGET_SB1): Add PROCESSOR_SB1A check.
5241 (TUNE_SB1): Likewise.
5243 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5244 * config/mips/mips.c (mips_store_data_bypass_p): New.
5245 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5246 store_data_bypass_p.
5248 2006-07-08 Paul Brook <paul@codesourcery.com>
5251 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5253 2006-07-07 Richard Guenther <rguenther@suse.de>
5256 * tree.h (build_one_cst): Declare.
5257 * tree.c (build_one_cst): New function.
5258 * tree-ssa-math-opts.c (get_constant_one): Remove.
5259 (insert_reciprocals): Use build_one_cst.
5260 * fold-const.c (fold_plusminus_mult): Likewise.
5262 2006-07-07 Roger Sayle <roger@eyesopen.com>
5264 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5265 * cfgloopanal.c (dump_graph): Likewise.
5266 * dojump.c (discard_pending_stack_adjust): Likewise.
5267 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5269 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5270 * function.c (finalize_block_changes): Likewise.
5271 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5272 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5273 * rtl.c (dump_rtx_statistics): Likewise.
5274 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5276 * varray.c (dump_varray_statistics): Likewise.
5277 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5278 decode_decimal64, encode_decimal128, decode_decimal128,
5279 decimal_real_to_decimal): Likewise.
5281 2006-07-07 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/28187
5284 * tree-vrp.c (vrp_operand_equal_p): New function.
5285 (vrp_bitmap_equal_p): Likewise.
5286 (update_value_range): Use them to compare old and new
5289 2006-07-06 Roger Sayle <roger@eyesopen.com>
5291 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5292 a default case to switch statement to silence compiler warnings.
5294 2006-07-06 Roger Sayle <roger@eyesopen.com>
5297 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5298 the configured assembler supports the x87's ffreep mnemonic.
5299 * configure: Regenerate.
5300 * config.in: Regenerate.
5302 * config/i386/i386.c (output_387_ffreep): New function.
5303 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5304 (output_387_reg_move): Likewise.
5306 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5308 Port to hosts whose 'sort' and 'tail' implementations
5309 treat operands with leading '+' as file names, as POSIX
5310 has required since 2001. However, make sure the code still
5311 works on pre-POSIX hosts.
5312 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5313 which says you should use "tail -c +N" rather than "tail +Nc".
5314 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5316 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5318 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5321 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5324 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5325 PRE_{INC,DEC} of TFmode.
5327 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5328 Alan Modra <amodra@bigpond.net.au>
5331 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5334 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5337 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5338 Remove duplicate gtu.
5340 2006-07-05 Jason Merrill <jason@redhat.com>
5344 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5345 * c-common.c (handle_packed_attribute): So don't copy it here.
5346 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5348 2006-07-05 Mike Stump <mrs@apple.com>
5350 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5352 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5355 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5357 2006-07-05 Richard Guenther <rguenther@suse.de>
5360 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5361 TARGET_SSE2 targets if using SSE math.
5362 (*absdf2_1): Likewise.
5364 2006-07-05 Richard Guenther <rguenther@suse.de>
5366 PR tree-optimization/28162
5367 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5368 make sure to convert the operands to the correct type.
5370 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5372 PR tree-optimization/28218
5374 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5375 to calculate and free the dominator information.
5377 2006-07-04 Peter O'Gorman <peter@pogma.com>
5379 * mklibgcc.in: chmod 644 before ranlib during install.
5381 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5382 J"orn Rennecke <joern.rennecke@st.com>
5384 * configure.ac (.eh_frame data check): Use diff -b.
5386 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5389 * Makefile.in (BUILD_RTL): Add build/vec.o.
5390 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5391 (build/genextract): Delete.
5392 (build/genautomata): Likewise.
5394 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5397 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5398 128-bit IBM long doubles for ABI_V4.
5400 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5402 * tree.c (range_in_array_bounds_p): New predicate.
5403 * tree.h (range_in_array_bounds_p): Declare it.
5404 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5405 return a less conservative answer.
5406 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5407 and flag 'is_group'.
5408 (IS_ELEMENT_FOR_GROUP): New macro.
5409 (FOR_EACH_ACTUAL_CHILD): Likewise.
5410 (next_child_for_group): New helper function.
5411 (can_completely_scalarize_p): Take into account groups.
5412 (sra_hash_tree): Handle RANGE_EXPR.
5413 (sra_elt_eq): Likewise.
5414 (lookup_element): Be prepared for handling groups.
5415 (is_valid_const_index): Delete.
5416 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5417 instead of is_valid_const_index.
5418 <ARRAY_RANGE_REF>: New case.
5419 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5420 is_valid_const_index.
5421 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5422 (scan_dump): Dump info for groups too.
5423 (decide_instantiation_1): Likewise.
5424 (decide_block_copy): Assert that the element is not a group.
5425 Propagate decision to groups.
5426 (generate_one_element_ref): Handle RANGE_EXPR.
5427 (mark_no_warning): Iterate over actual childs.
5428 (generate_copy_inout): Likewise.
5429 (generate_element_copy): Likewise.
5430 (generate_element_zero): Likewise.
5431 (generate_element_init_1): Likewise.
5432 (dump_sra_elt_name): Handle RANGE_EXPR.
5434 2006-07-03 Roger Sayle <roger@eyesopen.com>
5436 PR tree-optimization/26251
5437 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5438 (thread_block): When optimizing for size refuse to thread jumps
5439 that would require duplication of blocks other than redirection
5442 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5444 * configure.ac: Fix thinko in previous check-in.
5445 * configure: Regenerate.
5447 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5450 * configure.ac (for lang...): Simplify nesting of conditionals.
5451 Test subdir_requires for non-enabled languages. Move processing
5452 of lang_opt_files and lang_tree_fiels below that test.
5453 * configure: Regenerate.
5454 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5456 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5458 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5460 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5462 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5465 2006-06-29 Jason Merrill <jason@redhat.com>
5472 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5473 * c-common.c (c_determine_visibility): Handle it here.
5474 * c-decl.c (finish_decl): Call c_determine_visibility for
5476 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5478 * varasm.c (default_assemble_visibility): Likewise.
5479 * c-common.c (handle_visibility_attribute): Complain about trying
5480 to give visibility to an already defined class, or trying to change
5481 declared visibility. Always attach the attribute.
5486 * attribs.c (decl_attributes): Ignore type-in-place attributes
5487 once the type has been defined.
5489 2006-06-29 Roger Sayle <roger@eyesopen.com>
5492 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5493 to indicate the cpplib has issued an error message for us.
5495 2006-06-29 Asher Langton <langton2@llnl.gov>
5498 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5499 insert a label at the end of an function under Mach-O.
5501 2006-06-29 Eric Christopher <echristo@apple.com>
5502 Evan Cheng <evan.cheng@apple.com>
5504 * predicates.md (vector_all_ones_operand): New.
5505 (nonimmediate_or_sse_const_operand): Ditto.
5506 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5507 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5508 (standard_sse_mode_p): Ditto.
5509 (standard_sse_constant_p): Add case for -1 vector.
5510 (ix86_expand_vector_move): Try to use.
5511 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5512 Call standard_sse_constant_opcode.
5513 (*movv4sf_internal): Ditto.
5514 (*movv2df_internal): Ditto.
5516 2006-06-29 Roger Sayle <roger@eyesopen.com>
5518 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5519 of XEXP to extract the operands of a MATCH_CODE rtx.
5521 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5523 * tree.c (tree_size): Do not waste tail padding in
5524 struct tree_string and make the size be the same as
5525 build_string will generate.
5527 2006-06-28 Jason Merrill <jason@redhat.com>
5530 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5531 may_aliases already in the tag's annotations to the bitmap.
5533 2006-06-28 Roger Sayle <roger@eyesopen.com>
5535 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5537 2006-06-28 Roger Sayle <roger@eyesopen.com>
5539 * genpreds.c (generate_switch_p): New function.
5540 (add_mode_tests): Push the new mode test down inside an AND expr
5541 if this allows the switch-suitable MATCH_CODE to be near the root.
5542 (write_match_code_switch): New function to write a MATCH_CODE as
5544 (write_predicate_stmts): New function to write a predicate RTX
5545 expression as a sequence of statements.
5546 (write_one_predicate_function): Use write_predicate_stmts.
5547 (write_tm_constrs_h): Likewise.
5549 2006-06-26 Fred Fish <fnf@specifix.com>
5551 * config/mips/t-sb1: New file.
5552 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5555 2006-06-26 DJ Delorie <dj@redhat.com>
5557 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5559 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5560 Jayant Sonar <jayants@kpitcummins.com>
5561 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5563 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5564 (subsi3, subsi3_1, subsi3_2): New.
5565 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5566 * config/m32c/mov.md (SI mov peephole): New.
5567 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5568 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5570 2006-06-26 Olivier Hainque <hainque@adacore.com>
5572 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5573 a CALL_EXPR target function declaration.
5575 2006-06-26 Richard Guenther <rguenther@suse.de>
5577 * tree.c (build_string): Do not waste tail padding in
5580 2006-06-26 Richard Guenther <rguenther@suse.de>
5582 * ggc-page.c (init_ggc): Add missing element to size_lookup
5586 2006-06-23 Richard Guenther <rguenther@suse.de>
5588 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5589 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5590 alignment requests instead. Add verification code.
5591 Add struct tree_function_decl and struct tree_binfo size to
5592 extra_order_size_table. Add missing element to size_lookup
5595 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5598 * fold-const.c (const_binop): Be prepared for self returning zero.
5599 Simplify code handling complex values.
5601 2006-06-24 Olivier Hainque <hainque@adacore.com>
5603 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5604 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5607 2006-06-24 Olivier Hainque <hainque@adacore.com>
5609 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5610 ARRAY_REF, so have the callback called for the low bound expression.
5612 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5614 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5615 * c-typeck.c (c_common_type): Disallow operations on decimal float
5616 types and other float types.
5617 * convert.c (convert_to_real): Don't ignore conversions involving
5618 decimal float types.
5620 2006-06-23 Olivier Hainque <hainque@adacore.com>
5622 * tree.c (max_int_size_in_bytes): New function, inspired from
5623 code in function.c:assign_temp.
5624 * tree.h (max_int_size_in_bytes): Declare.
5625 * function.c (assign_temp): Use it.
5626 * gimplify.c (create_tmp_var): Relax the assertions on the type
5627 properties, not mandating constant size any more.
5628 (force_constant_size): New static function.
5629 (gimple_add_tmp_var): Use it, forcing variable size to a
5630 constant upper bound if it is not constant on entry.
5632 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5635 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5636 for initialization and setting of one_only flag to ...
5637 (i386_pe_encode_section_info): ...here.
5638 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5639 Recheck that the symbol has not been defined.
5641 2006-06-23 Richard Guenther <rguenther@suse.de>
5643 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5644 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5645 alignment requests instead. Add verification code.
5646 Add struct tree_function_decl and struct tree_binfo size to
5647 extra_order_size_table. Add missing element to size_lookup
5650 2006-06-22 Roger Sayle <roger@eyesopen.com>
5651 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5654 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5655 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5657 2006-06-23 Ben Elliston <bje@au.ibm.com>
5659 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5660 negate dn -- manipulate it directly.
5662 2006-06-22 Roger Sayle <roger@eyesopen.com>
5663 Steven Bosscher <stevenb.gcc@gmail.com>
5666 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5667 generated by gen_move_insn to add REG_LABEL notes if necessary.
5669 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5671 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5672 (leaf_entry): Remove use of MIN_ESA.
5674 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5676 PR rtl-optimization/28121
5677 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5680 2006-06-21 DJ Delorie <dj@redhat.com>
5682 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5684 (mulhisi3_r): Likewise.
5686 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5689 * coverage.c (coverage_counter_alloc): Leave the index type
5691 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5694 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5696 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5697 section from the "Options for Code Generation Conventions".
5699 2006-06-21 Richard Henderson <rth@redhat.com>
5703 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5705 (global_symbolic_operand): Allow weak symbols, even if local_p.
5707 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5709 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5710 (find_interesting_uses_address): Punt if above function returns true.
5712 2006-06-21 Richard Guenther <rguenther@suse.de>
5714 * configure: Regenerated.
5716 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5718 * config/mips/mips.c (function_arg): Where one part of a
5719 complex argument is in registers and the other part in the stack,
5720 return a REG not a PARALLEL.
5722 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5724 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5725 when cross-compiling. Do not substitute libstdcxx_incdir.
5726 * configure: Regenerated.
5728 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5730 * varasm.c (mergeable_string_section): Check for embedded NULs and
5731 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5732 rather than TREE_STRING_LENGTH bytes.
5734 2006-06-21 Richard Guenther <rguenther@suse.de>
5736 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5737 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5740 2006-06-21 Richrad Guenther <rguenther@suse.de>
5742 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5743 Limit iteration over the dominators.
5745 2006-06-20 Roger Sayle <roger@eyesopen.com>
5747 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5748 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5750 2006-06-20 Richard Guenther <rguenther@suse.de>
5751 Michael Matz <matz@suse.de>
5753 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5755 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5756 * et-forest.h (et_free_pools): Prototype new function.
5757 * et-forest.c (et_free_tree_force): Free parent occurrence.
5758 (et_free_pools): New function.
5759 * dominance.c (free_dominance_info): Free et-forest alloc
5762 2006-06-20 Roger Sayle <roger@eyesopen.com>
5764 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5765 integer modes, attempt to directly construct an integer constant.
5767 * fold-const.c (native_encode_vector): Determine the size of each
5768 element from the vector type instead of the first vector element.
5770 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5771 if all of its elements/components are constant.
5772 (build_constructor_from_list): Likewise.
5774 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5776 PR tree-optimization/27331
5777 * tree-data-ref.c (free_data_ref): New function.
5778 (create_data_ref): Fail if the data reference has unknown access
5780 (free_data_refs): Use free_data_ref.
5782 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5785 * tree-inline.c (setup_one_parameter): Strip useless
5786 type conversion before adding it to the IR.
5787 (declare_return_variable): Likewise.
5789 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5792 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5794 2006-06-19 Mike Stump <mrs@apple.com>
5796 * tree.c (variably_modified_type_p): VM arguments don't make the
5799 2006-06-19 Richard Guenther <rguenther@suse.de>
5801 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5802 type conversions after folding.
5804 2006-06-19 Richard Guenther <rguenther@suse.de>
5806 * ggc-page.c (extra_order_size_tab): Add entries with
5807 size of struct function and basic_block.
5808 (size_lookup): Extend to cover sizes up to 511.
5809 (ggc_alloc_stat): Adjust user.
5810 (ggc_pch_count_object): Likewise.
5811 (ggc_pch_alloc_object): Likewise.
5812 (ggc_pch_write_object): Likewise.
5814 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5816 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5817 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5820 2006-06-19 Denis Chertykov <denisc@overta.ru>
5822 * config/avr/libgcc.S : Correct my wrong previous commit.
5824 2006-06-19 Roger Sayle <roger@eyesopen.com>
5827 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5828 have stripped a SUBREG from the shift count, so we may need to
5829 convert_to_mode back to the type's mode before calling make_tree.
5830 Use new_amount instead of amount to avoid expanding a tree twice.
5832 2006-06-19 Richard Guenther <rguenther@suse.de>
5835 * fold-const.c (operand_equal_p): Check if the argument types
5836 have the same precision before stripping NOPs.
5838 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5840 Fix PR tree-optimization/27341
5841 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5843 * tree-complex.c (pass_lower_complex): Update SMT usage.
5845 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5847 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5848 Add a new alternative to the constraint strings. Add move of
5849 operand 1 to 3 to the splitter definition.
5850 ("doloop_si_long"): Second contraint alternative removed.
5852 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5854 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5855 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5857 (AVR_HAVE_MOVW) Define.
5858 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5859 (ASM_SPEC): Add avr25.
5860 (LINK_SPEC): Add avr25.
5861 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5862 (base_arch_s): Add new member 'have_movw_lpmx'.
5863 (avr_arch_types): Init 'have_movw_lpmx'.
5864 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5865 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5866 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5867 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5868 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5870 (avr_file_start): Do not output '.arh' derective.
5871 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5872 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5873 * config/avr/avr.md (mcu_enhanced): Delete.
5874 (mcu_have_movw): Define.
5875 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5876 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5877 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5878 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5879 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5880 attiny861 and at86rf401 devices.
5882 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5884 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5887 2006-06-17 Karl Berry <karl@gnu.org>
5889 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5890 doc/gccint.texi, doc/install.texi (@dircategory): Use
5891 "Software development" instead of "Programming", following
5892 the Free Software Directory.
5894 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5896 * config/i386/i386.c (legitimate_tls_address)
5897 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5898 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5899 (*tls_dynamic_gnu2_combine_64): Likewise.
5901 2006-06-16 Richard Guenther <rguenther@suse.de>
5904 * fold-const.c (negate_expr_p): Do not introduce undefined
5905 overflow in negating INTEGER_CSTs.
5906 (fold_negate_expr): Rename from negate_expr. Revert last
5907 change for folding BIT_NOT_EXPR. Change semantics to
5908 return NULL_TREE for non-simplified negations. Do not
5909 strip type conversions and unify type handling.
5910 (negate_expr): New function, wrap around fold_negate_expr
5911 but ensure building a tree always. Strip type conversions
5912 here, fold to result type.
5913 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5915 2006-06-16 Roger Sayle <roger@eyesopen.com>
5918 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5919 that (would) return their results in stack registers.
5921 2006-06-16 Michael Matz <matz@suse.de>
5922 Richard Guenther <rguenther@suse.de>
5924 * fold-const.c (fold_truthop): Only return new tree node if
5925 we canonicalized something.
5927 2006-06-16 Richard Guenther <rguenther@suse.de>
5929 * function.h (enum function_frequency): Move declaration
5930 out of struct function.
5931 (struct function): Move bool fields and the enum to the bitfield
5932 section. Reorder elements to avoid padding. Remove unused
5933 fields left over from the RTL inliner removal.
5934 * function.c (free_after_compilation): Do not zero removed fields.
5935 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5936 (ipa-type-escape.o): Likewise.
5938 2006-06-16 Richard Guenther <rguenther@suse.de>
5940 * cgraph.h (struct cgraph_local_info): Turn bool elements
5942 (struct cgraph_node): Likewise.
5943 (struct cgraph_varpool_node): Likewise.
5945 2006-06-15 Richard Guenther <rguenther@suse.de>
5947 * fold-const.c (fold_truth_not_expr): Rename from
5948 invert_truthvalue. Give it fold_* semantics to avoid
5950 (invert_truthvalue): New function. Wrapper around
5951 fold_truth_not_expr.
5952 (optimize_minmax_comparison): Avoid creating garbage.
5953 (fold_unary): Use fold_truth_not_expr for folding
5955 (fold_ternary): Replace uses of invert_truthvalue with
5956 fold_truth_not_expr where applicable.
5957 * tree.h (fold_truth_not_expr): Prototype.
5959 2006-06-16 Richard Guenther <rguenther@suse.de>
5961 PR tree-optimization/27781
5962 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5963 * ipa-pure-const.c (target.h): Include.
5964 (analyze_function): Do not analyze functions that do not
5967 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5970 * tree-dfa.c (referenced_vars_dup_list): Remove.
5971 (find_referenced_vars): Remove assert.
5972 (referenced_var_check_and_insert): Replace dup list with assert.
5973 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5974 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5976 2006-06-15 Richard Guenther <rguenther@suse.de>
5978 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5979 extra unused identifiers if not dumping.
5980 (create_variable_info_for): Likewise.
5982 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5984 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5985 (derive_constant_upper_bound): Derive more precise upper bound in
5986 common cases. Return type changed to double_int.
5987 (record_estimate): Reflect the changed return type of
5988 derive_constant_upper_bound.
5989 * double-int.c (double_int_zext, double_int_sext): Fix.
5991 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5993 * configure.ac (CFLAGS): Get them from the toplevel or from the
5994 configure invocation.
5995 * configure: Regenerate.
5996 * Makefile.in (CFLAGS): Substitute value provided by configure.
5998 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6001 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6002 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6003 rather than calling add_stmt on it.
6004 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6006 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6009 * reload1.c (reload): Remove registers returned by update_eliminables
6010 from used_spill_regs.
6012 2006-06-13 DJ Delorie <dj@redhat.com>
6014 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6016 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6018 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6019 html__strip_dir, html__mkdir_p. Enhance install-html target.
6020 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6021 * configure: Regenerate.
6023 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6025 * fold-const.c (fold_cond_expr_with_comparison): Check for
6026 Objective-C++ as language in deciding COND_EXPR transformation.
6028 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6031 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6032 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6033 * config/sh/lib1funcs.h (SL, SL1): Define.
6034 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6035 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6036 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6037 (OBJS_Os_4_200): New variable.
6038 ($(T)libgcc-Os-4-200.a): Use it.
6039 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6040 when dividing 1 and/or by 0.
6042 2006-06-13 Roger Sayle <roger@eyesopen.com>
6044 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6045 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6046 * configure: Regenerate.
6048 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6050 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6051 for real instruction.
6053 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6056 * haifa-sched.c (check_cfg): Handle special case.
6058 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6061 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6062 Add debug_info parameter. Chain the vars to the BLOCK instead
6063 of the BIND_EXPR if debug info are requested for them.
6064 (pop_gimplify_context): Adjust for above change.
6065 (gimple_add_tmp_var): Likewise.
6066 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6068 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6069 (convert_local_reference): Likewise.
6070 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6071 (finalize_nesting_tree_1): Request that debug info be emitted
6072 for debug_var_chain.
6074 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6076 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6077 for PR target/27863.
6079 2006-06-13 Richard Guenther <rguenther@suse.de>
6082 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6084 2006-06-13 Richard Guenther <rguenther@suse.de>
6086 PR tree-optimization/27830
6087 * tree-inline.c (copy_body_r): For copying the operand
6088 of an ADDR_EXPR make sure to fold &* afterwards.
6090 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6092 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6093 lvalues in the fb_none case with side-effects.
6095 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6097 * tree-flow.h: Remove the prototype for
6098 compute_phi_arg_on_exit.
6099 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6100 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6103 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6105 * builtins.c (expand_builtin_return_addr): Only use
6106 frame_pointer_rtx when count == 0 and we are expanding
6107 __builtin_return_address.
6109 2006-06-12 Fred Fish <fnf@specifix.com>
6111 * config/mips/mips.c (mips_file_start): Create special section
6112 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6114 2006-06-11 Eric Christopher <echristo@apple.com>
6117 * stor-layout.c (place_field): Remove check for
6118 remaining_in_alignment when aligning at the end of a run.
6120 2006-06-11 Eric Christopher <echristo@apple.com>
6123 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6126 2006-06-11 Roger Sayle <roger@eyesopen.com>
6129 Revert incorrect fix for PR target/27158
6130 2006-05-08 Roger Sayle <roger@eyesopen.com>
6131 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6132 of a reg_equiv_constant if the result is a legitimate constant.
6134 2006-06-11 Roger Sayle <roger@eyesopen.com>
6137 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6138 extract a CONST_VECTOR element and interpret it as an integer.
6139 (vspltis_constant): Use const_vector_elt_as_int instead of the
6140 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6141 * config/rs6000/predicates.md (easy_vector_const): Consider
6142 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6144 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6147 * stor-layout.c (update_alignment_for_field): Don't add extra
6148 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6151 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6153 * config/mips/t-rtems: Add EL/EB multilib variants.
6155 2006-06-09 Mike Stump <mrs@apple.com>
6157 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6159 2006-06-09 David Daney <ddaney@avtrex.com>
6161 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6163 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6165 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6167 2006-06-09 Richard Guenther <rguenther@suse.de>
6169 PR tree-optimization/26998
6170 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6171 of signed types, only TYPE_MIN_VALUE is special, but for both,
6172 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6173 in this case, as is -fwrapv.
6175 2006-06-08 Mike Stump <mrs@apple.com>
6178 * config/darwin.c (darwin_asm_output_anchor): Disable
6179 -fsection-anchors on darwin for now.
6180 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6181 * rs6000/rs6000.c (optimization_options): Likewise.
6183 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6186 * config/i386/i386.c (classify_argument): Skip fields with invalid
6189 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6191 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6192 (cse_insn): Likewise for the stack_pointer_rtx.
6194 2006-06-08 Roger Sayle <roger@eyesopen.com>
6196 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6197 conditions from floating point comparisons.
6199 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6202 * expmed.c (struct alg_hash_entry): Fix type of field T
6203 to match synth_mult argument.
6204 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6206 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6209 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6212 2006-06-08 Richard Guenther <rguenther@suse.de>
6215 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6216 only, if overflow is defined and not trapping.
6217 (negate_expr): Likewise.
6219 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6221 PR tree-optimization/27872
6222 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6223 flag on the new exit edge of the unrolled loop.
6225 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6227 PR rtl-optimization/26449
6228 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6230 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6233 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6234 referenced_variables with matching DECL_UID's.
6235 (find_referenced_vars): Make sure duplicate list is empty to start.
6236 (referenced_var_p): Remove.
6237 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6238 Check if var is in the list, and add if needed. Update the duplicate
6239 list if a different var is in the list with the same DECL_UID.
6240 (add_referenced_var): Call routine to check and insert.
6241 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6242 * tree-flow.h (referenced_vars_dup_list): External declaration.
6244 2006-06-07 Fred Fish <fnf@specifix.com>
6246 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6249 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6252 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6253 the imaginary and real parts of a clobbered register.
6254 Emit insn to set the imaginary part.
6256 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6258 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6259 in lieu of unwind-dw2-fde.c.
6261 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6263 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6265 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6268 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6269 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6270 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6271 V4SImode temporaries and operations instead.
6273 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6275 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6278 2006-06-06 Mike Stump <mrs@apple.com>
6280 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6281 installing during build.
6283 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6285 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6287 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6288 * config/ia64/ia64.c (params.h): New header.
6289 (ia64_optimization_options): New function to adjust parameters.
6290 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6291 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6292 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6294 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6296 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6298 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6301 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6303 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6304 Victor Kaplansky <victork@il.ibm.com>
6306 PR tree-optimization/26360
6307 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6310 2006-06-04 Roger Sayle <roger@eyesopen.com>
6311 Andrew Pinski <pinskia@physics.uc.edu>
6314 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6315 for LABEL_DECL before calling DECL_WEAK.
6318 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6319 LABEL_DECL and PARM_DECL.
6321 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6325 * c-decl.c (grokdeclarator): Disallow variably modified types at
6326 file scope. Avoid marking shared array type of constant size as
6329 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6332 * c-common.c (fold_offsetof_1): Handle static members.
6334 2006-06-04 Eric Christopher <echristo@apple.com>
6336 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6337 (debug_rli): Output value for remaining_in_alignment.
6338 (update_alignment_for_field): Unconditionalize
6339 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6340 extra alignment code.
6341 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6342 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6343 * tree.h (record_layout_info_s): Remove prev_packed.
6344 * doc/extend.texi (ms_struct): Add documentation of format.
6346 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6348 * tree.h: Declare folding_initializer.
6349 * builtins.c (fold_builtin_constant_p): Give definite answer
6350 if folding inside an initializer.
6351 * fold-const.c: Define folding_initializer.
6352 (START_FOLD_INIT): Save and then set folding_initializer.
6353 (END_FOLD_INIT): Restore folding_initializer.
6355 2006-06-04 Richard Guenther <rguenther@suse.de>
6357 PR tree-optimization/27039
6358 * fold-const.c (fold_comparison): Handle pointer comparison
6359 again for all comparison codes. Compare offsets in signed
6361 (fold_binary): Move code from here.
6363 2006-06-03 Roger Sayle <roger@eyesopen.com>
6366 * config/i386/i386.c (construct_container): Split static issued_error
6367 flag into issued_sse_arg_error, issued_sse_ret_error and
6368 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6369 requires the use of x87 registers and the user explicitly
6370 specified the -mno-80387 command line option.
6372 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6374 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6375 HAVE_DECL_SIGALTSTACK.
6377 (segv_handler): Use MC_FLD.
6378 * configure.ac: Check for a sigaltstack declaration.
6379 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6380 * configure: Regenerate.
6381 * config.in: Regenerate.
6383 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6386 * Makefile.in (stmp-fixinc): Fix typo.
6388 2006-06-02 Roger Sayle <roger@eyesopen.com>
6390 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6391 are type correct. Clean-up.
6392 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6393 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6395 2006-06-01 DJ Delorie <dj@redhat.com>
6397 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6398 shift, as we've disabled the "switch" insn that needs it.
6400 2006-06-01 Per Bothner <bothner@bothner.com>
6402 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6403 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6404 * c-ppoutput.c (cb_define): Don't increment line 0.
6406 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6408 * doc/invoke.texi: Add cpu_type power6.
6409 * config.gcc: Add cpu_type power6.
6410 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6411 to power5+ with Altivec.
6412 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6413 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6415 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6417 * config/avr/avr.h (SET_ASM_OP): Define.
6419 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6421 * config/bfin/bfin.c: Fix comment typos.
6423 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6426 * doc/install.texi: Document --enable-bootstrap and
6427 --disable-bootstrap.
6429 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6431 * doc/install.texi: Document that InfoZIP can replace jar.
6433 2006-05-31 Roger Sayle <roger@eyesopen.com>
6435 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6436 isn't available, directly generate the simpler x87 patterns without
6437 the (use (const_int 0)).
6438 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6439 implementation isn't available.
6440 (*negdf2_1): Likewise.
6441 (*negxf2_1): XF mode negation is always done using the x87.
6442 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6444 2006-05-31 Roger Sayle <roger@eyesopen.com>
6446 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6447 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6449 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6451 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6453 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6454 * config/bfin/bfin.c (basic-block.h): Include.
6455 (struct machine_function): New.
6456 (bfin_init_machine_status): New.
6457 (override_options): Initialize init_machine_status.
6458 (bfin_hardware_loop): New.
6459 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6460 (DEF_VEC_P (loop_info)): New.
6461 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6462 (struct loop_info): New.
6463 (loop_info): New typedef.
6464 (struct loop_work): New.
6465 (loop_work): New typedef.
6466 (DEF_VEC_O (loop_work)): New.
6467 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6468 (bfin_dump_loops): New.
6469 (bfin_bb_in_loop): New.
6470 (bfin_scan_loop): New.
6471 (bfin_optimize_loop): New.
6472 (bfin_reorg_loops): New.
6473 (bfin_reorg): Use bfin_reorg_loops.
6474 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6476 (I_REGNO_P): Simplify.
6477 (DP_REGNO_P, DPREG_P): New macros.
6478 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6479 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6480 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6481 Add LT_REGS, LC_REGS, LB_REGS.
6482 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6484 (REGNO_REG_CLASS): Deal with loop registers.
6485 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6487 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6488 New constants for loop registers.
6489 (UNSPEC_LSETUP_END): New.
6490 (seq_insns): New define_attr. Set it for appropriate insns.
6491 (movsi_insn): Add alternatives for move from/to
6492 loop count registers.
6493 (doloop_end): New define_expand.
6494 (loop_end): New define_insn.
6495 (define_split for bad doloop_end): New.
6496 (lsetup_with_autoinit): New define_insn.
6497 (lsetup_without_autoinit): New define_insn.
6498 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6499 * config/bfin/predicates.md (lc_register_operand): New.
6500 (lt_register_operand): New.
6501 (lb_register_operand): New.
6502 (nondp_register_operand): New.
6503 (nondp_reg_or_memory_operand): New.
6504 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6506 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6508 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6509 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6511 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6513 * Makefile.in (CATALOGS): Add po/ prefix.
6514 * configure: Regenerated.
6516 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6519 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6520 a shift operand before calling shift_op. Avoid redundant call of
6523 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6524 DJ Delorie <dj@redhat.com>
6526 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6527 we're inserting is a singlt-bit constant.
6529 2006-05-30 Roger Sayle <roger@eyesopen.com>
6531 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6532 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6534 2006-05-30 Roger Sayle <roger@eyesopen.com>
6536 PR tree-optimization/23452
6537 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6538 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6539 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6540 complex values and with -ffast-math for FP complex values.
6542 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6544 * c-common.h: Remove the prototype for yyparse.
6545 * rtl.h: Remove the prototype for init_loop.
6547 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6549 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6552 2006-05-30 Roger Sayle <roger@eyesopen.com>
6554 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6556 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6557 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6559 2006-05-30 Dirk Mueller <dmueller@suse.de>
6562 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6563 for CONSTANT_CLASS_P expresisons.
6565 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6568 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6570 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6572 PR tree-optimization/27779
6573 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6574 initial_condition instead of CHREC_LEFT.
6576 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6578 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6579 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6580 Make prototypes ISO C90.
6582 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6583 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6585 * see.c (see_analyze_one_def): Correct check.
6586 (see_get_extension_data): Check if extension is parallel.
6587 (see_get_extension_reg): Likewise.
6589 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6592 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6593 into register for (code == GTU).
6595 2006-05-29 Roger Sayle <roger@eyesopen.com>
6597 PR tree-optimization/24964
6598 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6599 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6600 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6601 abs(x)*abs(x) as x*x for scalar floating point modes.
6603 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6606 * lambda-code.c (perfect_nestify): Don't copy statements
6607 in the inner loop: move them to the inner loop header.
6609 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6612 * c-tree.texi: Document OpenMP directives and clauses.
6614 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6616 * varasm.c (globalize_decl): Fix indentation.
6618 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6621 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6622 pass_fre, pass_store_ccp, pass_copy_prop,
6623 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6624 pass_return_slot, pass_object_size, pass_lim,
6625 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6626 pass_loop_prefetch and pass_stdarg.
6628 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6630 * config/bfin/bfin.opt (mfdpic): New option.
6631 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6632 (EXTRA_MULTILIB_PARTS): Likewise.
6633 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6634 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6636 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6637 (CRT_CALL_STATIC_FUNCTION): New.
6638 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6640 (CRT_CALL_STATIC_FUNCTION): New.
6641 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6643 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6644 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6645 (initialize_trampoline): Changed to handle FD-PIC code generation.
6646 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6647 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6648 (override_options): Disallow -mid-shared-library -mfdpic combination.
6649 Can't do unaligned ops if FD-PIC.
6650 Turn off flag_pic if trying to generate non-id-shared-library
6651 non-fdpic code, since it's not supported.
6652 (bfin_assemble_integer): New function.
6653 (TARGET_ASM_INTEGER): Define.
6654 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6656 * config/bfin/crtn.s: Restore them.
6657 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6659 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6660 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6661 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6662 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6663 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6665 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6666 FDPIC_REGS and FDPIC_FPTR_REGS.
6667 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6668 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6669 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6670 (load_funcdescsi): New pattern.
6671 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6672 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6673 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6675 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6677 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6680 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6682 * tree-flow.h: Remove the prototype for add_type_alias.
6683 * tree-ssa-alias.c (add_type_alias): Remove.
6685 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6687 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6688 config/fr30/fr30.md, config/i386/i386-interix.h,
6689 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6690 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6691 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6692 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6693 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6694 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6695 Follow spelling conventions.
6696 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6697 Follow spelling conventions.
6699 2006-05-27 Richard Guenther <rguenther@suse.de>
6702 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6703 to produce a constant of value 1 of generic type.
6705 2006-05-27 Dirk Mueller <dmueller@suse.de>
6707 * cgraphunit.c (decide_is_function_needed): Fix wrong
6710 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6712 PR rtl-optimization/27661
6713 * reload.c (find_reloads): When reloading a VOIDmode constant
6714 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6715 use Pmode as mode of the reload register.
6717 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6719 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6720 is enabled at -O and above.
6722 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6725 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6728 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6731 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6732 for anonymous variables explicitly declared by front ends.
6734 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6736 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6737 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6738 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6739 ref-all pointers, run a finalization pass for them.
6740 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6741 (finalize_ref_all_pointers): New function.
6742 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6743 regular pointer type to a ref-all pointer type.
6744 (get_tmt_for): Return the special memory tag for ref-all pointers.
6746 2006-05-25 Richard Guenther <rguenther@suse.de>
6749 * fold-const.c (fold_binary): Do not look at the stripped
6750 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6752 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6754 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6755 for LT and GT if the computed range is effectively empty.
6757 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6760 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6761 mips_quad_format formats instead of ieee_single_format,
6762 ieee_double_format and ieee_quad_format formats, respectively.
6764 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6766 PR tree-optimization/27639
6767 PR tree-optimization/26719
6768 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6769 call to scev_probably_wraps_p.
6770 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6771 used_in_pointer_arithmetic_p, convert_step): Removed.
6772 (nowrap_type_p): New function.
6773 (scev_probably_wraps_p): Rewritten.
6774 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6775 chrec_convert if chrec_convert_aggressive might have been used.
6776 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6777 scev_direction): New functions.
6778 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6779 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6780 instead of convert_step.
6781 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6782 (convert_step): Declaration removed.
6783 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6785 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6787 * df-core.c: Added to header comments.
6788 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6789 df_ur_bb_info, df_urec_bb_info): Added comments.
6790 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6791 urec, ri problems): Fixed header comments.
6792 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6793 code from df_rd_transfer_function.
6795 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6797 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6798 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6799 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6801 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6803 * expr.c (undefined_operand_subword_p): New.
6804 (emit_move_multi_word): Do not generate move from undefined bits
6805 of a paradoxical subreg.
6807 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6809 PR rtl-optimization/27736
6810 * combine.c (replaced_rhs_value): New variable.
6811 (combine_instructions): Set it.
6812 (distribute_notes): When distributing a note in replaced_rhs_insn,
6813 check whether the value was used in replaced_rhs_value.
6815 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6818 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6819 add_referenced_var instead of add_referenced_tmp_var.
6820 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6821 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6823 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6824 tree_optimize_tail_calls_1): Use add_referenced_var.
6825 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6826 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6827 Use add_referenced_var.
6828 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6829 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6830 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6831 Use add_referenced_var.
6832 * tree-dfa.c (struct walk_state): Remove.
6833 (find_referenced_vars): Remove walk state and vars_found hash table.
6834 (make_rename_temp): Use add_referenced_var.
6835 (find_vars_r): Pass less parameters to add_referenced_var.
6836 (referenced_var_p): New. Is var in referenced_var hash table.
6837 (referenced_var_insert): Assert var isn't already in hash table.
6838 (add_referenced_var): Don't need walk_state parameter. Add var if it
6839 isn't already in the hash table.
6840 (add_referenced_tmp_var): Remove.
6841 (find_new_referenced_vars_1): Use add_referenced_var.
6842 * tree-ssa-pre.c (create_expression_by_pieces,
6843 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6844 Use add_referenced_var.
6845 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6846 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6847 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6849 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6850 vect_create_data_ref_ptr, vect_create_destination_var,
6851 vect_init_vector, vect_build_loop_niters,
6852 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6853 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6854 Use add_referenced_var.
6855 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6856 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6857 (add_referenced_var): Add prototype.
6858 * tree-ssa-structalias.c (get_constraint_for,
6859 intra_create_variable_infos): Use add_referenced_var.
6861 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6863 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6864 big-endian paradoxical subregs.
6865 * var-tracking.c (struct micro_operation_def): Document that,
6866 for modify micro operations, insn is the subsequent instruction.
6867 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6868 (var_reg_set, var_mem_set): ... new functions.
6869 (add_stores): Record subsequent insn.
6870 (compute_bb_dataflow): Use new functions for MO_USE.
6871 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6872 notes after the insn, and modify notes before the insn known
6873 to be the subsequent one.
6874 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6876 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6879 * config/i386/i386.c (ix86_expand_builtin): Use
6880 gen_sse3_monitor64 for TARGET_64BIT.
6882 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6884 PR rtl-optimization/26375
6885 PR rtl-optimization/26855
6886 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6888 (df_ru_bb_local_compute): Reversed statements and removed bogus
6889 comment explaining why they should be in wrong order.
6890 (df_ru_dump, df_rd_dump): Enhanced debug info.
6891 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6893 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6894 reaching uses and fixed space problem.
6896 2006-05-23 Jan Hubicka <jh@suse.cz>
6898 * cgraphunit.c (decide_is_function_needed): Also nested functions
6899 and functions declared inline can be optimized out at -O0.
6901 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6903 * doc/install.texi (Configuration): Remove reference to CrossGCC
6907 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6910 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6911 ix86_compare_emitted is non-NULL.
6913 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6916 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6919 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6921 PR rtl-optimization/25514
6922 * combine.c (replaced_rhs_insn): New variable.
6923 (combine_instructions): Set replaced_rhs_insn when trying to replace
6924 a SET_SRC with a REG_EQUAL note.
6925 (distribute_notes): Use replaced_rhs_insn when determining the live
6926 range of a REG_DEAD register.
6928 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6929 Anatoly Sokolov <aesok@post.ru>
6931 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6932 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6933 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6934 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6935 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6936 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6937 at90usb647, at90usb1286 and at90usb1287 devices.
6938 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6939 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6941 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6943 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6945 2006-05-22 Richard Guenther <rguenther@suse.de>
6948 2006-01-31 Richard Guenther <rguenther@suse.de>
6949 Paolo Bonzini <bonzini@gnu.org>
6951 * doc/install.texi (--disable-libgcc-math): Document.
6953 2006-05-22 Richard Guenther <rguenther@suse.de>
6956 2006-01-31 Richard Guenther <rguenther@suse.de>
6958 * doc/invoke.texi (-msselibm): Document.
6959 * target.h (expand_library_builtin): New target hook.
6960 * builtins.c (expand_builtin): Use expand_library_builtin.
6961 (default_expand_library_builtin): New function.
6962 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6963 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6964 (link_gcc_math_spec): Declare.
6965 (static_specs): Add link_gcc_math_spec.
6966 * expr.h (default_expand_library_builtin): Declare.
6967 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6968 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6969 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6970 * config/i386/i386.opt (msselibm): New target option.
6971 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6972 (ix86_init_sse_abi_builtins): New function.
6973 (ix86_expand_library_builtin): Likewise.
6974 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6975 (override_options): Handle error conditions wrt -msselibm.
6976 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6977 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6978 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6981 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6984 * c-common.c (self_promoting_args_p): Skip erroneous args.
6987 * c-decl.c (finish_struct): Skip erroneous fields.
6989 2006-05-22 Nick Clifton <nickc@redhat.com>
6991 * config/cris/cris.opt (march): Remove VarExists attribute.
6992 (max-stackframe=): Likewise.
6994 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6996 * doc/rtl.texi: Fix a typo.
6997 * see.c: Fix comment typos.
6999 * tree-ssa-structalias.h (alias_info): Remove num_references.
7001 2006-05-21 Mike Stump <mrs@apple.com>
7003 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7005 (darwin_pragma_options): Use BAD instead.
7006 (darwin_pragma_unused): Likewise.
7007 (darwin_pragma_ms_struct): Likewise.
7009 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7011 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7013 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7015 PR rtl-optimization/27671
7016 * simplify-rtx.c (simplify_relational_operation_1): Fix
7017 simplifications of (eq/ne (xor x y) y) and
7018 (eq/ne (xor x y) x).
7020 PR tree-optimization/26622.
7021 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7024 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7026 * tree-cfg.c: Prune whitespace.
7027 (debug_tree_cfg): Point to correct header containing the
7030 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7033 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7035 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7038 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7039 or sorry count is non zero.
7041 2006-05-20 Andreas Schwab <schwab@suse.de>
7043 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7045 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7046 Kenneth Zadeck <zadeck@naturalbridge.com>
7048 PR rtl-optimization/26855
7050 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7052 (df_scan_alloc): Added code to properly handle multiword hard
7053 registers and add all_blocks parameter.
7054 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7055 code to properly handle multiword hard registers.
7056 (df_rescan_blocks): Added code to remove deleted blocks from
7058 (df_ref_create_structure, df_ref_record): Added code to properly
7060 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7061 and set DF_REF_PARTIAL.
7062 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7063 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7064 (df_scan_add_problem): Added flags parameter.
7065 (df_ref_create_structure): Changed switching structure.
7066 (df_bb_refs_record): Fixed case where duplicate artificial refs
7067 were created. Changed location of flags.
7068 (df_record_entry_block_defs): Added code to make stack pointer
7069 live in entry block. Refined cases where frame pointer is needed.
7070 Changed location of flags.
7071 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7072 (df_set_state): Removed function.
7073 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7074 df_insn_create_insn_record, df_insn_refs_delete,
7075 df_ref_create_structure): Formatting changes.
7076 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7077 df_delete_basic_block): New function.
7078 (df_init): Changed location of flags.
7079 (df_add_problem): Added flags parameter and the way flags are
7081 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7082 debug_df_chain): Improved debugging output.
7083 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7084 (df_refs_chain_dump): Removed df parameter.
7085 (df_iterative_dataflow): Added consistency check.
7086 (df_prune_to_subcfg): Made public.
7087 (df_analyze_problem): Added blocks_to_init parameter and made
7089 (df_ref_record, df_bb_refs_record, df_mark_reg,
7090 df_record_exit_block_uses): Whitespace changes.
7091 (df_dump): Whitespace changes.
7092 * df.h: Some reordering to remove forward references.
7093 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7094 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7095 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7096 (dataflow.flags): New field.
7097 (df.flag): Deleted field.
7098 (df_alloc_function): Added additional bitmap parameter.
7099 (df_dependent_problem_function): New type.
7100 (df_problem.changeable_flags): New field.
7101 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7102 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7103 (df_mw_hardreg): New struct.
7104 (DF_INSN_UID_MWS): New macro.
7105 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7107 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7108 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7109 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7110 (df_set_state): Removed function.
7111 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7112 * df-problems.c (df_chain_dump): Removed df parameter.
7113 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7114 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7116 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7117 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7118 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7119 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7120 DF_REF_MUST_CLOBBER cases.
7121 (df_ru_bb_local_compute_process_def,
7122 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7123 df_lr_bb_local_compute, df_ur_bb_local_compute,
7124 df_chain_create_bb): Made subreg aware.
7125 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7126 df_lr_bb_local_compute, df_lr_bb_local_compute,
7127 df_chain_create_bb): Cleanup to use proper macros.
7128 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7129 code to fixup bitvectors.
7130 (df_ri_alloc): Cleared lifetime.
7131 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7132 df_create_unused_note): New function.
7133 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7134 REG_DEAD and REG_UNUSED notes as well as register information.
7135 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7136 df_chains_dump): Fixed crash if problem was never run.
7137 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7138 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7139 df_ri_add_problem): Processes flags in uniform manner.
7140 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7141 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7142 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7143 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7144 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7145 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7146 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7147 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7148 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7149 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7150 * see.c (see_initialize_data): Ditto.
7151 * final.c (rest_of_clean_state) Added regstack_completed.
7152 * rtl.h (regstack_completed): Ditto.
7153 * reg-stack.c (regstack_completed): Ditto.
7155 2006-05-19 Mike Stump <mrs@apple.com>
7157 * c-tree.h (default_conversion): Remove.
7158 * c-common.h (default_conversion): Add.
7160 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7162 * tree-vrp.c (valid_value_p): New function.
7163 (adjust_range_with_scev): Fail if the value of bound is not
7166 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7168 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7169 (mips_fallback_frame_state): Use syscall numbers to determine
7170 the appropriate li instruction for the current ABI. Only use
7171 __NR_sigreturn for o32.
7173 2006-05-19 Nicolas Setton <setton@adacore.com>
7175 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7176 * langhooks.c (lhd_dwarf_name): New function.
7177 * langhooks-def.h (lhd_dwarf_name): Declare.
7178 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7179 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7180 * ada/misc.c (gnat_dwarf_name): New function.
7181 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7183 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7185 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7187 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7188 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7189 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7190 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7191 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7192 determine the size of Wtype, etc.
7193 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7194 (swfloatfuncs): New variable.
7195 (dwfloatfuncs): Likewise.
7196 (lib2funcs): Remove floating-point conversion functions from
7197 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7198 the set of conversion routines needed. Allow entries to specify
7199 an object name, filename and word size. Update users accordingly.
7200 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7201 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7205 2006-02-08 Roger Sayle <roger@eyesopen.com>
7208 * config/fixtfdi.c: New libgcc source file.
7209 * config/fixunstfdi.c: New source file.
7210 * config/floatditf.c: New source file.
7211 * config/floatunditf.c: New souce file.
7212 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7213 files above instead of config/mips/_tilib.c.
7214 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7216 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7218 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7219 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7221 2006-05-18 Mike Stump <mrs@apple.com>
7223 Fix up vla, vm and [*] sematics.
7229 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7230 (c_vla_unspec_p): Add.
7231 (c_vla_type_p): Add.
7232 * c-decl.c (struct c_scope): Add had_vla_unspec.
7233 (build_array_declarator): Add support for [*].
7234 (grokdeclarator): Likewise.
7235 (grokparms): Likewise.
7236 (get_parm_info): Likewise.
7237 * c-objc-common.c (c_vla_unspec_p): Likewise.
7238 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7239 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7240 typeof when argument is a variably modified type not inside sizeof or alignof.
7241 (c_parser_direct_declarator_inner): Propagate errors.
7242 (c_parser_sizeof_expression): Add support for [*].
7243 (c_parser_parms_declarator): Initialize had_vla_unspec.
7244 (c_parser_parms_list_declarator): Likewise.
7245 * c-typeck.c (c_vla_type_p): Add.
7246 (composite_type): Add support for vla compositing.
7247 (comptypes_internal): Add support for vla compatibility.
7248 (c_expr_sizeof_expr): Evaluate vla arguments.
7249 * tree.c (variably_modified_type_p): Update comment for [*].
7251 2006-05-18 Michael Matz <matz@suse.de>
7254 * config.host: Make assignments to host_xmake_file cumulative.
7255 * config.host (*-darwin*): Test $host, not $target.
7257 2006-05-12 Stuart Hastings <stuart@apple.com>
7259 * config/i386/i386.opt (-mstackrealign): New flag.
7260 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7261 (ix86_handle_cconv_attribute): Emit error when
7262 force_align_arg_pointer attribute collides with too many regparms.
7263 (ix86_function_regparm): Limit regparms when used with
7264 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7265 Support stack-realigning prologue in non-main functions. Emit
7266 warning for nested functions under -mstackrealign, emit error for
7267 nested functions with force_align_arg_pointer attribute.
7268 * doc/extend.texi (force_align_arg_pointer): Document it.
7269 * doc/invoke.texi (-mstackrealign): Document it.
7271 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7273 PR rtl-optimization/27477
7274 * combine.c (try_combine): Don't split a parallel consisting
7275 of two sets into two individual sets if both sets reference
7278 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7280 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7281 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7283 * doc/options.texi (VarExists): Updated.
7285 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7287 * unwind-dw2.c: Add declarations for uw_update_context and
7289 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7290 detected, advance frame state and context once to skip over stub.
7292 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7296 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7297 Call rewrite_into_loop_closed_ssa only when something changed.
7298 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7299 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7300 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7301 Test for perfect_nest_p here. Fix formating.
7302 (replace_uses_equiv_to_x_with_y): Fix formating.
7303 (stmt_uses_op): Removed.
7304 (can_convert_to_perfect_nest): Removed loopivs parameter.
7305 Complete the test by checking the scalar dependences.
7306 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7309 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7312 From Dan Kegel <dank@kegel.com>:
7313 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7315 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7317 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7318 if the element type is variably modified without recursing.
7320 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7323 * tree-loop-linear.c (try_interchange_loops): Test for
7324 no data dependences.
7326 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7328 PR tree-optimization/27548
7329 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7330 range of ssa names that appear on abnormal edges.
7331 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7332 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7334 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7337 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7339 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7342 * tree.h (OMP_PARALLEL_COMBINED): Define.
7343 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7344 (new_omp_context): Add is_combined_parallel argument.
7345 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7346 new_omp_context caller.
7347 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7348 Adjust gimplify_scan_omp_clauses callers.
7349 (omp_is_private): Issue errors if iteration variable is firstprivate
7350 or reduction in the current context.
7351 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7352 on combined parallel workshare constructs.
7354 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7356 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7357 (gcc-options.o): New rule.
7359 * optc-gen.awk: Protect variables for gcc-options.o with
7360 #ifdef GCC_DRIVER/#endif.
7362 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7364 Fix PR tree-optimization/27373
7365 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7366 (forward_propagate_addr_expr): Update call.
7368 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7370 * doc/options.texi: Move the Negative option.
7372 2006-05-16 Richard Guenther <rguenther@suse.de>
7374 PR tree-optimization/22303
7375 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7377 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7378 ccp_fold did not simplify the statement.
7380 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7383 * Makefile.in (GCC_OBJS): New.
7384 (OBJS-common): Add opts-common.o.
7385 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7386 (cpp$(exeext)): Likewise.
7387 (gcc.o): Also depend on opts.h.
7388 (opts-common.o): New.
7390 * common.opt (gcoff): Add Negative(gdwarf-2).
7391 (gdwarf-2): Add Negative(gstabs).
7392 (gstabs): Add Negative(gstabs+).
7393 (gstabs+): Add Negative(gvms).
7394 (gvms): Add Negative(gxcoff).
7395 (gxcoff): Add Negative(gxcoff+).
7396 (gxcoff+): Add Negative(gcoff).
7397 * config/i386/i386.opt (m32): Add Negative(m64).
7398 (m64): Add Negative(m32).
7400 * doc/options.texi: Document the Negative option.
7402 * gcc.c: Include "opts.h".
7403 (main): Call prune_options after expandargv.
7405 * optc-gen.awk: Generate common declarations for all flag
7406 variables in options.c. Output the neg_index field.
7408 * opts.c (find_opt): Moved to ...
7409 * opts-common.c: Here. New file.
7411 * opts.h (cl_option): Add a neg_index field.
7413 (prune_options): Likewise.
7415 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7418 * omp-low.c (expand_omp_parallel): Don't assert
7419 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7420 instead search for it.
7423 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7426 2006-05-16 Andreas Schwab <schwab@suse.de>
7428 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7431 2006-05-15 Roger Sayle <roger@eyesopen.com>
7434 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7435 integer constants other than zero are only legitimate on TARGET_64BIT.
7436 <CONST_VECTOR> Only zero vectors are legitimate.
7437 (ix86_cannot_force_const_mem): Integral and vector constants can
7438 always be put in the constant pool.
7440 2006-05-16 DJ Delorie <dj@redhat.com>
7442 * crtstuff.c (__dso_handle): Set section from
7443 TARGET_LBIGCC_SDATA_SECTION if defined.
7444 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7445 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7447 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7450 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7453 2006-05-16 Ben Elliston <bje@au.ibm.com>
7455 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7457 2006-05-15 Per Bothner <per@bothner.com>
7459 * tree.c: (last_annotated_node): Use source_locus typedef.
7460 This permits bootstrapping with --enable-mapped-location.
7462 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7464 PR tree-optimization/26830
7465 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7466 (info_for_ssa_name, current_info_for_ssa_name_age,
7467 blocks_to_update): New variables.
7468 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7469 (clear_ssa_name_info, initialize_flags_in_bb,
7470 mark_block_for_update): New functions.
7471 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7472 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7473 prepare_def_site_for): Use mark_block_for_update.
7474 (mark_def_interesting): Assert that the processed block is marked in
7475 blocks_to_update. Do not take blocks argument.
7476 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7478 (rewrite_update_init_block, rewrite_update_stmt): Only process
7479 blocks with statements to rewrite.
7480 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7481 (update_ssa): Initialize and free blocks_to_update. Do not
7482 clear flags on statements. Do not use blocks bitmap.
7483 * tree.h (SSA_NAME_AUX): Removed.
7484 (struct tree_ssa_name): Removed aux field.
7485 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7487 2006-05-15 Richard Guenther <rguenther@suse.de>
7489 PR tree-optimization/27603
7490 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7491 Do computations in original type.
7493 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7495 * see.c: Code style changes such as redundant paranthesis,
7496 redundant intialization of local variables etc.
7497 (see_main): Declared now as static.
7498 * doc/invoke.texi: Update that -fsee is not enabled by
7501 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7503 * omp-low.c (check_omp_nesting_restrictions): New function.
7504 (scan_omp_1): Call it.
7507 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7508 construct, return *VAR.
7510 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7512 PR rtl-optimization/27406
7513 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7516 2006-05-14 Roger Sayle <roger@eyesopen.com>
7518 PR rtl-optimization/27538
7519 * combine.c (expand_compound_operation): Call gen_lowpart
7520 before calling simplify_shift_const.
7522 2006-05-14 Roger Sayle <roger@eyesopen.com>
7524 PR rtl-optimization/22563
7525 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7526 a fixed width bitfield, always force the intermediates into psuedos.
7528 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7531 * mkconfig.sh: Use operator = instead of == for test.
7533 2006-05-13 Nick Clifton <nickc@redhat.com>
7535 * dwarf2out.c (dbx_reg_number): Check return value from
7536 LEAF_REG_REMAP and only use it if it is valid.
7537 (multiple_reg_loc_descriptor): Likewise.
7539 2006-05-13 Richard Guenther <rguenther@suse.de>
7541 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7544 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7546 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7547 information attached to non-INSNs such as NOTEs.
7548 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7550 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7552 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7554 * config/s390/s390.md: Adjust comment describing On constraint.
7556 2006-05-11 Jan Hubicka <jh@suse.cz>
7558 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7559 to be output at -O0.
7561 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7564 * fold-const.c (size_binop): Move sanity check for arguments to
7565 the beginning of the function.
7568 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7571 2006-05-11 Richard Guenther <rguenther@suse.de>
7574 * fold-const.c (fold_unary): Handle intermediate conversion
7575 to a pointer type like intermediate conversion to an integer
7576 type in folding of (T1)(T2)var to var.
7577 Match the code to the comment in the final conversion for
7578 (T1)(T2)var to (T1)var regarding to type precision. Rather
7579 than disallow T1 being of pointer type, assert that both T1
7580 and var are of pointer type or not. Make sure not to fall
7581 over the frontends lazyness wrt array to pointer decay though.
7583 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7585 * arm.c (arm_struct_value_rtx): Delete.
7586 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7587 (arm_init_cumulative_args): Always initialize nregs to zero.
7589 2006-05-10 Richard Guenther <rguenther@suse.de>
7591 PR tree-optimization/27532
7592 * tree-object-size.c (plus_expr_object_size): Fix typo.
7594 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7597 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7598 ashrdi_const, ashrdi3): Use a scratch register.
7600 2006-05-10 Richard Guenther <rguenther@suse.de>
7602 PR tree-optimization/27302
7603 * fold-const.c (operand_equal_p): For two comparisons,
7604 try comparison of one comparison code swapped if that yields
7607 2006-05-10 Ben Elliston <bje@au.ibm.com>
7609 * tree-pretty-print.c (pretty_print_string): No need to handle
7610 '\0' as a special character.
7612 * tree.h: Include "hashtab.h".
7613 (iterative_hash_expr): Use hashval_t in its prototype.
7614 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7616 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7619 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7620 (hppa*64*-*-hpux11*): Ditto.
7621 (hppa[12]*-*-hpux11*): Ditto.
7623 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7626 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7628 2006-05-09 Michael Matz <matz@suse.de>
7630 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7631 host_extra_gcc_objs and host_xmake_file.
7632 (<*-*-linux*>): Don't overwrite host_xmake_file.
7633 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7634 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7635 (host_detect_local_cpu): Declare.
7636 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7637 * config/i386/i386.c (override_options): Handle -mtune=native
7639 * config/i386/x-i386: New file.
7640 * config/i386/driver-i386.c: New file.
7641 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7644 2006-05-09 Dirk Mueller <dmueller@suse.de>
7645 Richard Guenther <rguenther@suse.de>
7648 * fold-const.c (fold_read_from_constant_string): Relax check
7649 for matching types to matching modes.
7651 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7653 PR rtl-optimization/27335
7654 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7657 2006-05-08 Chao-ying Fu <fu@mips.com>
7658 Richard Sandiford <richard@codesourcery.com>
7660 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7661 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7662 * config/mips/mips.md (UNSPEC_SCC): New constant.
7663 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7664 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7665 (mips_emit_compare): Use it.
7666 (mips_expand_vcondv2sf): New function.
7668 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7670 Fix PR tree-optimization/27093
7671 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7672 renaming when they become not-used_alone.
7674 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7676 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7677 relocation and relocation stubs.
7679 2006-05-08 Eric Christopher <echristo@apple.com>
7681 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7684 2006-05-08 Jan Hubicka <jh@suse.cz>
7687 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7688 unused static functions are needed.
7690 2006-05-08 Roger Sayle <roger@eyesopen.com>
7693 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7694 of a reg_equiv_constant if the result is a legitimate constant.
7696 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7699 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7700 standard 80387 constants, raise the cost to prevent
7701 compress_float_constant() to generate load from memory.
7703 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7705 * config/arm/constraints.md (c): Fix a typo.
7707 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7710 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7713 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7715 (_mm_mwait): Likewise.
7717 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7719 (sse3_monitor): Make it 32bit only.
7720 (sse3_monitor64): New. 64bit monitor.
7722 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7725 * config/i386/i386.c (classify_argument): Skip fields with invalid
7728 2006-05-07 Richard Guenther <rguenther@suse.de>
7730 PR tree-optimization/27409
7731 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7732 Do not try to find zero-sized subvars.
7734 2006-05-07 Richard Guenther <rguenther@suse.de>
7736 PR tree-optimization/27136
7737 * tree-ssa-loop-niter.c (get_val_for): Correct function
7738 comment, assert requirements.
7739 (loop_niter_by_eval): Stop processing if the iterated
7740 value did not simplify.
7742 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7744 * opts.c (flag_see): remove its setting at -O3.
7746 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7748 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7749 * arm/constraints.md: New file.
7750 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7751 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7752 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7753 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7754 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7755 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7756 * arm.md: Include constraints.md.
7757 (thumb_movsi_insn): Use satisfies_constraint_J.
7758 (movhi, movqi): Use satisfies_constraint_I.
7760 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7762 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7763 for atmeg a645 device.
7765 2006-05-06 Richard Guenther <rguenther@suse.de>
7767 PR tree-optimization/27151
7768 * tree-vect-transform.c (vectorizable_condition): Punt on
7769 values that have a different type than the condition.
7771 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7774 * c-parser.c (c_parser_cast_expression): Only insert casts into
7775 hash table if pointer.
7776 * function.c (used_types_insert_helper): Rename from
7778 (used_types_insert): Call used_types_insert_helper.
7779 * function.h (used_types_insert): Accept only one argument.
7781 2006-05-05 David Edelsohn <edesohn@gnu.org>
7783 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7784 scratch with output modifier.
7786 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7789 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7790 with output modifier.
7792 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7795 * config/mips/mips.c (mips_symbolic_address_p): Return true
7796 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7797 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7799 2006-05-04 Richard Guenther <rguenther@suse.de>
7801 PR tree-optimization/14287
7802 PR tree-optimization/14844
7803 PR tree-optimization/19792
7804 PR tree-optimization/21608
7805 PR tree-optimization/27090
7806 * tree-ssa-pre.c (try_combine_conversion): New function.
7807 (compute_avail): After constructing the value-handle
7808 expression, use try_combine_conversion to combine NOP_EXPRs
7809 with previous value-handle expressions and use the result if it
7812 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7814 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7816 2006-05-04 Jan Hubicka <jh@suse.cz>
7819 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7821 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7823 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7824 that this only matches CONST_INTs. All users changed to VOIDmode
7827 * config/bfin/bfin.c: Include "optabs.h".
7828 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7830 (enum bfin_builtins): Add a number of fractional and vector builtins.
7831 (bfin_init_builtins): Likewise.
7832 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7833 (safe_vector_operand, bfin_expand_binop_builtin,
7834 bfin_expand_unop_builtin): New functions.
7835 (bfin_expand_builtin): Handle the new builtins.
7836 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7839 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7842 * Makefile.in (OBJS-common): Add see.o.
7843 (see.o): Add dependencies.
7844 * common.opt (fsee): New flag for the see optimization was added.
7845 * opts.c (flag_see): Initialized.
7846 * passes.c (init_optimization_passes, pass_see): New pass.
7847 * rtl.h (see_main): Declaration as extern.
7848 * timevar.def (TV_SEE): New.
7849 * tree-pass.h (pass_see): Declaration as extern.
7850 * invoke.texi (-fsee): Document.
7851 * recog.c (validate_simplify_insn): New function.
7852 * recog.h (validate_simplify_insn): Declaration as extern.
7853 * df-problems.c (df_chain_dump): Check for NULL.
7855 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7856 Daniel Berlin <dberlin@dberlin.org>
7858 * cfgrtl.c (insert_insn_bb_end_new): New function.
7859 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7861 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7863 * df.h (struct web_entry): Moved from web.c.
7864 (union_defs): Declaration as extern.
7865 (unionfind_root): Likewise.
7866 (unionfind_union): Likewise.
7867 * web.c (struct web_entry): Moved to df.h.
7868 (unionfind_root): Remove static declaration.
7869 (unionfind_union): Likewise.
7870 (union_defs): Likewise and generalize to use callback function.
7871 (web_main): Update arguments for union_defs function call.
7873 2006-05-04 Richard Guenther <rguenther@suse.de>
7875 PR tree-optimization/26447
7876 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7877 produce SSA_NAME copies before the store stmt to avoid
7878 breaking exception handling.
7880 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7883 * gimplify.c (omp_is_private): If var is shared in some outer context,
7884 return false instead of true. Stop searching on parallel context
7887 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7890 * coverage.c: Use get_gcov_unsigned_t() instead of
7891 unsigned_type_node all over.
7893 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7895 PR tree-optimization/27381
7896 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7897 maintain the same immediate_use links.
7898 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7899 node rather than segfaulting.
7901 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7904 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7905 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7906 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7908 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7910 Fix PR tree-optimization/26626
7911 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7913 * tree-ssa-operands.c (access_can_touch_variable): Allow
7914 typecasting through union pointers.
7916 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7919 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7920 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7921 to find if var will be a global variable even in the nested context.
7922 (omp_copy_decl): Only check for global variable at the end, it might
7923 be overridden in outer contexts.
7924 (scan_sharing_clauses): For global variables don't create a field.
7925 (lower_rec_input_clauses): Do nothing for global shared variables.
7926 Emit a barrier at the end of ILIST if there were any decls in both
7927 firstprivate and lastprivate clauses.
7928 (lower_send_clauses): Do nothing for global variables except for
7931 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7933 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7934 of the correct signedness is returned.
7936 2006-05-02 Jeff Law <law@redhat.com>
7938 PR tree-optimization/27364
7939 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7940 multiply expressions.
7942 2006-05-02 Tom Tromey <tromey@redhat.com>
7944 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7946 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7949 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7950 -mthumb -fPIC are used.
7952 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7953 Joshua Kinard <kumba@gentoo.org>
7956 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7957 with 64-bit pointers.
7959 2006-05-02 Paul Brook <paul@codesourcery.com>
7961 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7963 (create_fix_barrier): Check that a suitable barrier location is
7965 (arm_reorg): Include ftmp->address in allowable range of addresses.
7967 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7970 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7973 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7976 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7977 around RESULT_DECL for result passed by reference.
7978 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7979 * omp-low.c (use_pointer_for_field): Don't look at
7980 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7981 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7982 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7983 time or var for passing by reference for
7984 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7985 TREE_ADDRESSABLE variables when passing by reference.
7987 * omp-low.c (dump_omp_region): Fix output formatting.
7990 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7991 (expand_omp_parallel): Likewise.
7992 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7995 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7996 on statement list containing also constructors and destructors.
7997 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8000 * except.c (duplicate_eh_regions): Fix clearing of
8001 cfun->eh->region_array entries.
8003 2006-05-01 DJ Delorie <dj@redhat.com>
8005 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8007 (gcc_cv_objdump): Likewise.
8008 * configure: Regenerated.
8010 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8013 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8014 templates for case 3 and 4.
8016 2006-05-01 DJ Delorie <dj@redhat.com>
8018 * vec.c: Include bconfig.h when appropriate.
8019 * Makefile.in (build/vec.o): Adjust dependencies.
8020 * mkconfig.sh: Make sure config.h isn't used for build machine
8023 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8025 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8027 (mark_phi_for_rewrite): New function.
8028 (insert_phi_nodes_for, mark_use_interesting): Call
8029 mark_phi_for_rewrite.
8030 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8031 (update_ssa): Initialize and free phis_to_rewrite.
8033 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8035 PR rtl-optimization/27291
8036 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8037 folded to a constant.
8039 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8041 PR tree-optimization/27283
8042 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8043 not whole # of iteration descriptions.
8044 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8045 uses abnormal ssa name.
8046 (niter_for_single_dom_exit): Ditto.
8047 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8048 return just the number of iterations.
8050 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8052 PR tree-optimization/27144
8053 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8054 (record_estimate): Only record constant upper bound.
8055 (infer_loop_bounds_from_undefined): Call
8056 compute_estimated_nb_iterations just once.
8057 (proved_non_wrapping_p): Renamed to ...
8058 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8059 (convert_step_widening, scev_probably_wraps_p): Call
8060 n_of_executions_at_most instead of proved_non_wrapping_p.
8061 (substitute_in_loop_info): Do not replace values in bounds.
8062 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8065 2006-05-01 Richard Henderson <rth@redhat.com>
8068 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8069 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8072 2006-05-01 Roger Sayle <roger@eyesopen.com>
8074 * c-typeck.c (parser_build_binary_op): Don't call the function
8075 unsigned_conversion_warning to spot operand/result type overflow.
8076 (build_binary_op): Instead, call convert_and_check instead of
8077 convert to report the problem when the operands are promoted.
8078 * c-common.c (unsigned_conversion_warning): Make static.
8079 * c-common.h (unsigned_conversion_warning): Delete prototype.
8081 2006-05-01 Richard Guenther <rguenther@suse.de>
8083 PR tree-optimization/26726
8084 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8086 (find_interesting_uses_address): ... we work around here
8087 by folding INDIRECT_REFs in the substituted base.
8089 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8091 * omp-low.c (dump_omp_region): Add newlines.
8093 2006-04-30 Roger Sayle <roger@eyesopen.com>
8095 * common.opt (Woverflow): New command line option.
8096 * c-common.c (constant_expression_warning): Check warn_overflow.
8097 (overflow_waring): Pass OPT_Woverflow to warning.
8098 (unsigned_conversion_warning): Likewise.
8099 (convert_and_check): Likewise.
8100 * doc/invoke.texi: Document new command line option.
8102 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8104 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8105 TARGET_NO_FP_IN_TOC for section anchors.
8106 (optimization_options): Enable section anchors for all
8107 non-"Objective" languages.
8109 2006-04-28 Eric Christopher <echristo@apple.com>
8111 * config/darwin-c.c (darwin_ms_struct): Move this
8112 (darwin_set_default_type_attributes): and this...
8113 * config/darwin.c: ... here.
8114 * config/darwin.h (darwin_ms_struct): Declare.
8116 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8120 2006-04-28 Roger Sayle <roger@eyesopen.com>
8123 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8124 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8125 an unsigned HOST_WIDE_INT.
8126 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8128 (really_start_incremental_init): No need to call convert because
8129 bitsize_zero_node is already of type bitsizetype.
8130 (push_init_level): Extract the value of constructor_index as an
8131 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8132 (process_init_element): Likewise.
8134 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8136 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8137 value before passing to make_relative_prefix.
8139 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8142 * builtins.c (expand_builtin_memset): Expand val in original mode.
8144 2006-04-27 Eric Christopher <echristo@apple.com>
8146 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8147 with #ifndef/#endif.
8148 * config/darwin-c.c (darwin_ms_struct): New.
8149 (darwin_pragma_ms_struct): Ditto.
8150 (darwin_set_default_type_attributes): Ditto.
8151 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8152 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8153 Register ms_struct pragma.
8154 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8155 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8156 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8157 darwin_set_default_type_attributes if TARGET_MACHO.
8159 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8161 PR tree-optimization/26854
8162 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8163 * doc/tree-ssa.texi: Update immuse iterator documentation.
8164 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8165 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8166 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8167 first_safe_imm_use, next_safe_imm_use): Remove.
8168 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8169 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8170 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8171 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8172 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8173 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8174 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8175 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8176 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8177 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8178 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8179 (perfect_nestify): Use new iterator.
8180 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8182 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8183 (next_imm_name): New field in struct immediate_use_iterator_d.
8184 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8185 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8186 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8187 * tree-cfg.c (replace_uses_by): Use new iterator.
8188 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8189 * tree-ssa-operands.c (correct_use_link): Remove.
8190 (finalize_ssa_use_ops): No longer call correct_use_link.
8192 2006-04-27 Stuart Hastings <stuart@apple.com>
8194 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8195 * config/t-darwin (crt3.o): Use it.
8196 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8197 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8198 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8199 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8200 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8203 2006-04-27 Roger Sayle <roger@eyesopen.com>
8205 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8206 size, force the intermediate into a new pseudo rather instead of
8207 performing both a bitwise AND and a bitwise IOR in memory.
8209 2006-04-27 Richard Guenther <rguenther@suse.de>
8211 PR rtl-optimization/26685
8212 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8213 this one "max-flow-memory-locations".
8215 2006-04-27 Richard Guenther <rguenther@suse.de>
8217 PR tree-optimization/25148
8218 * tree-vrp.c (compare_values): Remove code dealing with
8219 comparisons against type min/max value. Honour overflow
8220 and negative constants in code dealing with comparisons
8221 of plus and minus expressions.
8222 (value_inside_range): Use fold_binary with LE_EXPR and
8223 GE_EXPR rather than compare_values.
8225 2006-04-27 Dirk Mueller <dmueller@suse.de>
8227 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8230 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8232 * basic-block.h (safe_insert_insn_on_edge): Removed.
8233 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8235 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8236 Paolo Bonzini <bonzini@gnu.org>
8239 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8240 (simplify_and_const_int): Same.
8242 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8244 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8246 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8249 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8250 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8251 cgraph_global_info_ready.
8254 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8257 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8258 either decl or init is error_mark_node.
8261 * tree-flow.h (struct omp_region): Add sched_kind.
8262 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8263 instead of extracting omp for data.
8264 (expand_omp_for): Save extracted sched_kind.
8266 2006-04-25 Roger Sayle <roger@eyesopen.com>
8268 * expmed.c (store_bit_field): Also check whether the bitsize is
8269 valid for the machine's "insv" instruction before moving the
8270 target into a pseudo for use with the insv.
8271 * config/i386/predicates.md (const8_operand): New predicate.
8272 * config/i386/i386.md (extv, extzv, insv): Use the new
8273 const8_operand predicate where appropriate.
8275 2006-04-25 DJ Delorie <dj@redhat.com>
8277 * doc/install.texi (Specific): Clarify that this is not a list of
8278 supported hosts or targets.
8280 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8282 PR rtl-optimization/26725
8283 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8284 block's BB_DIRTY flag.
8286 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8288 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8291 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8292 to print an integer.
8294 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8296 * varasm.c (align_variable): New function.
8297 (get_block_for_decl): Apply align_variable to DECL before
8298 calculating section information.
8299 (assemble_variable): Split out alignment computation.
8301 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8303 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8306 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8308 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8309 MODE_PARTIAL_INT mode.
8310 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8311 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8313 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8314 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8316 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8318 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8320 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8321 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8322 MACFLAG_IH): Likewise.
8323 (movstricthi_1): Renamed from "*movstricthi".
8324 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8325 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8326 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8327 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8328 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8329 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8330 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8331 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8332 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8333 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8334 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8335 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8336 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8337 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8338 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8340 * doc/rtl.texi (ss_ashift): Improve wording.
8342 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8344 * dwarf2out.c (verify_marks_clear): New.
8345 (prune_unused_types): Call verify_marks_clear initially, not
8348 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8350 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8351 * doc/rtl.texi: Document them.
8352 * simplify-rtx.c (simplify_unary_operation,
8353 simplify_binary_operation_1): Don't abort when we see them.
8355 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8358 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8359 * configure.ac: Completely disregard languages that are not
8361 * configure: Regenerated.
8363 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8364 Richard Guenther <rguenther@suse.de>
8366 PR tree-optimization/27236
8367 * tree-inline.c (copy_body_r): Make sure to copy
8368 TREE_THIS_VOLATILE flag.
8370 2006-04-24 Richard Guenther <rguenther@suse.de>
8373 * tree-complex.c (update_parameter_components): Don't handle
8374 unused parameters which have no default def.
8376 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8377 Richard Guenther <rguenther@suse.de>
8379 PR tree-optimization/27218
8380 * tree-inline.c (expand_call_inline): Strip useless type
8381 conversions for the return slot address.
8383 2006-04-24 Richard Guenther <rguenther@suse.de>
8385 * cfgloop.h (struct loops): Remove unused field array. Reorder
8387 (LOOP_PREFETCH): Remove.
8389 2006-04-24 Richard Guenther <rguenther@suse.de>
8391 PR tree-optimization/22525
8392 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8393 variable, adjust types of generated expressions.
8395 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8397 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8398 (tree-vect-patterns.o): Likewise.
8400 (cselib.o): Likewise.
8401 (loop-doloop.o): Likewise.
8402 (regclass.o): Likewise.
8403 (reload1.o): Likewise.
8404 (explow.o): Replace target.h with $(TARGET_H).
8405 (ipa-prop.o): Likewise.
8406 (ipa-cp.o): Likewise.
8407 (ipa-inline.o): Likewise.
8408 (reorg.o): Likewise.
8409 (reg-stack.o): Likewise.
8411 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8413 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8415 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8417 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8419 * configure.ac: Completely disregard languages that are not
8421 * configure: Regenerated.
8424 * c-common.h (c_build_bitfield_integer_type): Declare.
8425 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8426 * c-common.c (c_build_bitfield_integer_type): ... here.
8428 2006-04-23 Roger Sayle <roger@eyesopen.com>
8431 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8432 a SImode SUBREG of a floating point register after no_new_pseudos.
8434 2006-04-23 Roger Sayle <roger@eyesopen.com>
8436 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8437 identify potentially eliminable registers to additionally catch
8438 VIRTUAL_INCOMING_ARGS_REGNUM.
8439 (addsi3): Update the conditions on when to use addsi_small_int.
8441 2006-04-23 Roger Sayle <roger@eyesopen.com>
8444 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8445 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8446 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8448 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8450 * fold-const.c (range_predecessor): Use operand_equal_p
8451 as the predicate for equality.
8452 (range_successor): Likewise.
8454 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8457 * config/soft-fp/op-common.h: Fix a typo.
8459 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8462 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8463 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8465 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8467 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8469 * doc/tm.texi: Fix a typo.
8471 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8473 * dwarf2out.c (struct die_struct): Document that die_sib makes
8474 a circular linked list.
8475 (FOR_EACH_CHILD): New.
8476 (reverse_die_lists): Delete.
8477 (reverse_all_dies): Delete.
8478 (add_dwarf_attr): Correct documentation.
8479 (remove_child_with_prev): New.
8480 (remove_child_TAG): Update for change to die_struct, use
8481 remove_child_with_prev.
8482 (add_child_die): Update for change to die_struct.
8483 (splice_child_die): Use remove_child_with_prev and add_child_die.
8484 (print_die): Use FOR_EACH_CHILD.
8485 (die_checksum): Likewise.
8486 (assign_symbol_names): Likewise.
8487 (output_location_lists): Likewise.
8488 (build_abbrev_table): Likewise.
8489 (calc_die_sizes): Likewise.
8490 (mark_dies): Likewise.
8491 (unmark_dies): Likewise.
8492 (unmark_all_dies): Likewise.
8493 (output_die): Likewise.
8494 (prune_unused_types_mark): Likewise.
8495 (prune_unused_types_walk): Likewise.
8496 (same_die_p): Update for change to die_struct.
8497 (break_out_includes): Likewise.
8498 (prune_unused_types_prune): Likewise.
8499 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8500 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8502 (dwarf2out_finish): Don't call reverse_all_dies.
8504 2006-04-21 Eric Christopher <echristo@apple.com>
8506 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8507 in comments and function names.
8509 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8512 * c-typeck.c (digest_init): Robustify.
8514 * c-typeck.c (pop_init_level): Simplify.
8516 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8518 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8520 2006-04-21 Paul Brook <paul@codesourcery.com>
8522 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8523 hardware floating point.
8525 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8527 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8530 2006-04-21 Nick Clifton <nickc@redhat.com>
8532 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8535 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8538 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8539 C++ lang type in traceback table for Objective-C++.
8541 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8543 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8545 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8547 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8550 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8551 were errors. Remove check for erroneous objects.
8553 2006-04-20 Jeff Law <law@redhat.com>
8555 PR tree-optimization/26854
8556 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8557 checking for zero or one use.
8558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8559 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8560 * tree-ssa-reassoc.c (negate_value): Similarly.
8561 (reassociate_bb): Similarly.
8563 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8565 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8566 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8567 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8569 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8571 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8572 fp regs if the last fp arg doesn't fit in regs.
8574 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8577 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8578 that the last insn has the REG_INC note.
8580 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8581 Nathan Sidwell <nathan@codesourcery.com>
8584 * stor-layout.c (update_alignment_for_field): Do not align
8586 (place_union_field): Place union field at the start of the union.
8587 (place_field): Move ERROR_MARK check later, and use the current
8588 allocation position to maintain monotonicity.
8590 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8592 * dominance.c: Include timevar.h.
8593 (calculate_dominance_info): Use TV_DOMINANCE.
8594 * timevar.def (TV_DOMINANCE): New timevar.
8595 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8597 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8599 PR rtl-optimization/14261
8600 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8601 move would be an INSV insn.
8602 (noce_process_if_block): Don't optimize if the destination is a
8603 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8605 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8607 * config/s390/s390.md: Add comments with the instructions emitted
8608 by an insn pattern if macros are used.
8610 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8612 PR rtl-optimization/26026
8613 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8614 is a known power of two shifted left a variable amount.
8616 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8618 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8619 to hash table twice when the debug_str section has SECTION_MERGE.
8621 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8623 * config/soft-fp: New directory. From glibc.
8624 * config/soft-fp/t-softfp: New.
8625 * config/soft-fp/README: New.
8626 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8627 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8628 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8629 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8630 * config.gcc: Use rs6000/t-fprules-fpbit or
8631 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8633 * config/rs6000/sfp-machine.h: New. Based on glibc.
8634 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8636 * config/rs6000/t-fprules: Remove fp-bit rules.
8637 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8638 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8639 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8640 (softfp_wrap_start, softfp_wrap_end): New.
8642 2006-04-18 DJ Delorie <dj@redhat.com>
8644 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8646 2006-04-18 Devang Patel <dpatel@apple.com>
8648 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8650 2006-04-18 Nick Clifton <nickc@redhat.com>
8652 * config/sh/t-symbian: Add rule to build sh-c.o
8653 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8654 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8655 (sh_symbian_encode_section_info): Likewise.
8657 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8659 * builtins.c (expand_builtin_strcmp): Cover label definition of
8660 do_libcall with HAVE_cmpstrnsi.
8662 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8664 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8666 * function.h (temp_slot_p): New.
8667 (function): Change the type of x_used_temp_slots to
8668 VEC(temp_slot_p,gc) *.
8670 2006-04-18 Nick Clifton <nickc@redhat.com>
8672 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8673 flag_strength_reduce.
8675 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8677 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8681 Partial revert of revision 112637
8682 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8683 Dale Johannesen <dalej@apple.com>
8686 * regclass.c (struct reg_pref): Update documentation.
8687 (regclass): Set prefclass to NO_REGS if memory is the best option.
8688 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8690 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8692 PR tree-optimization/26821
8693 * tree-ssa-math-opts.c (get_constant_one): New.
8694 (insert_reciprocals): Use it.
8696 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8698 * dwarf2out.c (free_AT): Delete.
8699 (remove_AT): Update string ref counts.
8700 (remove_child_TAG): Don't call free_die.
8702 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8703 or DW_TAG_GNU_EINCL.
8704 (prune_unused_types_walk_attribs): Reset string refcounts.
8705 (prune_unused_types_update_strings): New.
8706 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8707 call free_die. Do call prune_unused_types_update_strings.
8708 (prune_unused_types): Empty debug_str_hash.
8710 2006-04-17 Roger Sayle <roger@eyesopen.com>
8712 * expr.c (expand_assignment): Optimize away no-op moves where the
8713 source and destination are equal and have no side-effects.
8715 2006-04-17 Richard Guenther <rguenther@suse.de>
8718 * reload.c (push_reload): Guard calls to get_secondary_mem
8721 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8723 * alias.c (reg_base_value, old_reg_base_value): Change the
8724 type to VEC(rtx,gc) *.
8725 (REG_BASE_VALUE, find_base_value, record_set,
8726 init_alias_analysis): Use VEC instead of VARRAY.
8728 * alias.c (alias_sets): Change the type to
8729 VEC(alias_set_entry,gc) *.
8730 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8731 VEC instead of VARRAY.
8732 (last_alias_set): Remove.
8734 * cgraph.h (cgraph_edge_p): New.
8735 Update the prototype of cgraph_function_versioning.
8736 * cgraphunit.c (cgraph_copy_node_for_versioning,
8737 cgraph_function_versioning): Use VEC instead of VARRAY.
8738 * ipa-cp.c (ipcp_insert_stage): Likewise.
8740 2006-04-16 Roger Sayle <roger@eyesopen.com>
8743 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8744 "A op B" or "A op C", we may need to convert A to the type of B and C.
8746 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8748 * target.h (struct gcc_target): Add mode_rep_extended.
8749 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8750 (init_num_sign_bit_copies_in_rep): Initialize it using
8752 (truncate_to_mode): Use it.
8753 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8754 * targhooks.h (default_mode_rep_extended): Declare it.
8755 * targhooks.c (default_mode_rep_extended): Define it.
8756 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8757 default_mode_rep_extended.
8758 (TARGET_INITIALIZER): Include it.
8759 * doc/tm.texi (Misc): Document it.
8760 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8761 (mips_truncated_to_mode): New function.
8763 2006-04-16 Roger Sayle <roger@eyesopen.com>
8766 * expr.c (compress_float_constant): Copy the narrow constant into
8767 a new pseudo before extending it to its final width.
8769 2006-04-16 Roger Sayle <roger@eyesopen.com>
8770 Andrew Pinski <pinskia@gcc.gnu.org>
8771 Dale Johannesen <dalej@apple.com>
8774 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8775 special case code to implement V8HImode and V16QImode with SSE2.
8777 2006-04-15 Roger Sayle <roger@eyesopen.com>
8779 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8780 trees are constructed with a suitable tree type.
8782 2006-04-15 Roger Sayle <roger@eyesopen.com>
8784 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8785 (integer_onep): Likewise.
8786 (integer_all_onesp): Likewise.
8787 (integer_pow2p): Likewise.
8788 (integer_nonzerop): Likewise.
8789 (real_zerop): Likewise.
8790 (real_onep): Likewise.
8791 (real_twop): Likewise.
8792 (real_minus_onep): Likewise.
8793 (int_size_in_bytes): Likewise.
8794 (host_integerp): Likewise.
8796 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8798 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8799 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8800 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8802 * tree-ssa-structalias.h (alias_info): Remove num_references.
8804 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8806 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8807 (output_bvb patterns): Likewise.
8808 * pa.c (output_bb): Use 'bb' insn for long branch case.
8809 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8810 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8811 1. Correct length operand for alternatives 1 and 2.
8812 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8813 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8815 2006-04-14 Roger Sayle <roger@eyesopen.com>
8817 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8818 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8819 were accidentally reverted by r112959.
8821 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8824 * except.h (eh_region_outermost): New prototype.
8825 * except.c (eh_region_outermost): New function.
8826 * tree-cfg.c (find_outermost_region_in_block): Use it.
8828 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8830 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8832 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8833 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8834 (init_reload, reload): Use VEC instead of VARRAY.
8835 * reload.h: Update the prototype for
8836 reg_equiv_memory_loc_varray.
8838 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8839 Eric Botcazou <ebotcazou@libertysurf.fr>
8841 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8844 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8847 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8848 to expand fallback builtin function call.
8850 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8853 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8854 and emit libcall here in case the builtin fails.
8855 (expand_builtin_strcmp): Always emit the libcall here on failure.
8857 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8859 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8860 * flow.c (reg_n_info): Change the type to
8861 VEC(reg_info_p,heap) *.
8862 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8864 * regs.h (reg_info_p): New.
8865 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8866 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8867 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8870 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8872 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8874 * params.h (MAX_SCHED_READY_INSNS): New macro.
8875 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8876 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8877 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8878 the ready list for 1 cycle during the first scheduling pass.
8879 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8881 2006-04-13 Richard Henderson <rth@redhat.com>
8884 * gimple-low.c (lower_omp_directive): Remove dead code.
8885 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8886 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8887 * omp-low.c (struct omp_region): Move to tree-flow.h.
8888 (root_omp_region): Export.
8889 (omp_regions, lookup_omp_region): Remove.
8890 (determine_parallel_type): Update for struct omp_region changes.
8891 (dump_omp_region): Dump regions with block numbers.
8892 (new_omp_region): Take type and block instead of stmt; malloc
8894 (free_omp_region_1, free_omp_regions): New.
8895 (expand_parallel_call): Take entry_stmt as argument; update for
8896 changes to omp_region.
8897 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8898 (remove_exit_barriers): New.
8899 (expand_omp_parallel): Update for struct omp_region changes.
8900 (expand_omp_synch): Likewise.
8901 (expand_omp): Likewise.
8902 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8903 (expand_omp_for_static_chunk): Likewise.
8904 (expand_omp_for): Likewise.
8905 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8906 (expand_omp_sections): Similarly, with GOMP_sections_end.
8907 (expand_omp_single): New.
8908 (build_omp_regions_1): Update for OMP_CONTINUE.
8909 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8910 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8911 OMP_SECTIONS_SECTIONS.
8912 (lower_omp_single_simple): Don't emit barrier here.
8913 (lower_omp_single_copy): Likewise.
8914 (lower_omp_single): Fix bindings, and lower to straightline now.
8915 (lower_omp_master, lower_omp_ordered): Likewise.
8916 (lower_omp_critical): Likewise.
8917 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8918 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8919 omp edges, free it afterward.
8920 (make_omp_sections_edges): Remove.
8921 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8922 (move_stmt_r): Handle OMP_CONTINUE.
8923 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8924 statement pointers to basic blocks. Add type member.
8925 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8926 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8927 * tree-inline.c (estimate_num_insns_1): Likewise.
8928 * tree-pretty-print.c (dump_generic_node): Likewise.
8929 * tree-ssa-operands.c (get_expr_operands): Likewise.
8930 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8931 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8932 (OMP_CONTINUE): New.
8933 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8934 (OMP_SECTIONS_SECTIONS): Remove.
8935 (OMP_SECTION_LAST): New.
8936 (OMP_RETURN_NOWAIT): New.
8938 2006-04-13 Roger Sayle <roger@eyesopen.com>
8940 * fold-const.c (native_encode_vector, native_interpret_real):
8941 Correct obvious mistakes in the previous check-in.
8943 2006-04-13 Roger Sayle <roger@eyesopen.com>
8945 * fold-const.c (native_encode_expr): New function to encode
8946 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8947 or VECTOR_CST into a specified buffer.
8948 (native_encode_int): New function.
8949 (native_encode_real): New function.
8950 (native_encode_complex): New function.
8951 (native_encode_vector): New function.
8952 (native_interpret_expr): Inverse of native_encode_expr to convert
8953 a target representation into an INTEGER_CST, REAL_CST etc...
8954 (native_interpret_int): New function.
8955 (native_interpret_real): New function.
8956 (native_interpret_complex): New function.
8957 (native_interpret_vector): New function.
8958 (fold_view_convert_expr): New function to constant fold/evaluate
8959 a VIEW_CONVERT_EXPR of a suitable constant expression.
8960 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8961 Change call of build1 to fold_build1 when constructing a
8964 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8965 Ulrich Weigand <uweigand@de.ibm.com>
8968 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8971 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8974 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8975 optimize to lo_sum for DFmode if !TARGET_FPRS.
8977 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8979 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8980 delete_alias_info, compute_flow_sensitive_aliasing,
8981 group_aliases): Use VEC instead of VARRAY.
8982 * tree-ssa-structalias.c (update_alias_info): Likewise.
8983 * tree-ssa-structalias.h (alias_info): Change the type of
8984 processed_ptrs to VEC(tree,heap) *.
8986 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8989 * config/sh/lib1funcs.h: New file, broken out of:
8990 * config/sh/lib1funcs.asm.
8991 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8993 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8994 * config/sh/lib1funcs-Os-4-200.asm: New file.
8995 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8996 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8997 (EXTRA_MULTILIB_PARTS): Include it.
8998 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8999 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9000 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9001 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9004 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9006 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9007 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9008 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9010 * tree-ssa-live.h: Include vecprim.h.
9011 (tree_partition_associator_d): Change the type of
9012 first_partition to VEC(int,heap) *.
9013 (tpa_first_partition): Use VEC instead of VARRAY.
9015 * Makefile.in (GTFILES): Move functions.h after tree.h.
9016 * function.c (reset_block_changes, record_block_change,
9017 check_block_change, free_block_changes): Use VEC instead of
9019 * function.h (function): Change the type of
9020 ib_boundaries_block to VEC(tree,gc) *.
9021 * tree-inline.c (copy_cfg_body): Initialize
9022 ib_boundaries_block to NULL instead of (varray_type) 0.
9024 2006-04-12 Roger Sayle <roger@eyesopen.com>
9026 * expr.c (emit_group_store): Correct operand order in call to
9027 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9028 a SUBREG_BYTE of zero.
9030 2006-04-12 Richard Guenther <rguenther@suse.de>
9032 * profile.c (compute_branch_probabilities): Remove code
9033 encapsulated in !ir_type (), which are remanents of the
9034 removed RTL profiling code.
9035 * rtl-profile.c: Remove.
9037 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9039 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9040 magic NULL_RTX comment.
9041 (function_arg): Store entire fp arg to mem if any part should go
9043 (rs6000_arg_partial_bytes): Adjust for above change.
9045 2006-04-11 Roger Sayle <roger@eyesopen.com>
9047 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9048 if it hasn't been initialized by dwarf2out_init.
9050 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9052 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9053 symbolic constants in branch patterns.
9055 2006-04-11 Roger Sayle <roger@eyesopen.com>
9057 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9059 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9061 PR rtl-optimization/27073
9062 * gcse.c (try_replace_reg): Revert last change. Continue to search
9063 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9066 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9068 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9069 aggregate types other than record and union types.
9070 (function_arg): Likewise.
9071 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9073 (function_value): In 64-bit mode, return objects that require it
9076 2006-04-11 Roger Sayle <roger@eyesopen.com>
9078 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9080 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9082 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9084 2006-04-03 Jeff Law <law@redhat.com>
9087 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9088 alias information too.
9090 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9092 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9094 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9097 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9098 (premark_used_types_helper): New.
9099 (premark_used_types): New.
9100 (gen_subprogram_die): Call premark_used_types.
9101 (prune_unused_types_walk): Do not prune perennial dies.
9102 * function.c (used_types_insert): New.
9103 * function.h (struct function): Add used_types_hash field.
9104 (used_types_insert): Add prototype.
9105 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9106 * c-parser.c (c_parser_cast_expression): Save casted types in used
9109 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9112 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9113 rs6000_explicit_options.float_gprs.
9115 2006-04-10 Roger Sayle <roger@eyesopen.com>
9117 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9118 from ix86_expand_vector_init_low_nonzero. Take an additional
9119 one_var argument indicating which element is non-zero. Support
9120 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9121 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9122 with one_var instead of ix86_expand_vector_init_low_nonzero.
9124 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9126 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9127 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9128 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9129 build/genextract.o): Depend on vecprim.h.
9130 * cfglayout.c, df-problems.c, function.c, genextract.c,
9131 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9132 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9136 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9138 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9139 Declare VECs of this type.
9140 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9141 (remove_children): Delete.
9142 (add_dwarf_attr): Use VEC routines.
9143 (add_AT_flag): Update for changes to add_dwarf_attr.
9144 (add_AT_int): Likewise.
9145 (add_AT_unsigned): Likewise.
9146 (add_AT_long_long): Likewise.
9147 (add_AT_vec): Likewise.
9148 (add_AT_string): Likewise.
9149 (add_AT_die_ref): Likewise.
9150 (add_AT_fde_ref): Likewise.
9151 (add_AT_loc): Likewise.
9152 (add_AT_loc_list): Likewise.
9153 (add_AT_addr): Likewise.
9154 (add_AT_lbl_id): Likewise.
9155 (add_AT_lineptr): Likewise.
9156 (add_AT_macptr): Likewise.
9157 (add_AT_offset): Likewise.
9158 (add_AT_range_list): Likewise.
9159 (get_AT): Use VEC_iterate.
9160 (remove_AT): Use VEC_ordered_remove.
9161 (free_die): Fold remove_children into here; have it use VEC_iterate.
9162 (print_die): Use VEC_iterate on attrs.
9163 (reverse_die_lists): Don't reverse attr lists.
9164 (die_checksum): Use VEC_iterate on attrs.
9165 (same_die_p): Likewise.
9166 (output_location_lists): Likewise.
9167 (build_abbrev_table): Likewise.
9168 (size_of_die): Likewise.
9169 (unmark_all_dies): Likewise.
9170 (output_abbrev_section): Likewise.
9171 (output_die): Likewise.
9172 (prune_unused_types_walk_attribs): Likewise.
9174 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9176 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9178 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9181 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9183 2006-04-09 Roger Sayle <roger@eyesopen.com>
9185 * expr.c (store_constructor): Don't bother clearing target if
9186 we're about to assign a vector to it using vec_init_optab.
9188 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9190 * tree-ssa-alias.c (lhs_may_store_to): New function.
9191 (recalculate_used_alone): Handle LHS of calls.
9193 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9197 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9198 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9199 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9200 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9201 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9202 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9203 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9204 stubs. Add ".align 8" directives before all ".dword" directives.
9205 (GTHREAD_USE_WEAK): Revise comment.
9206 (TARGET_ATTRIBUTE_WEAK): Define.
9207 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9208 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9209 * stublib.c: New file.
9214 * pa.md (cbranch patterns): Revise arguments used in calls to
9215 output_cbranch, output_bb and output_bvd. Add long branch length
9217 (fbranch patterns): Handle long branches.
9218 (jump): Revise length check. Revise arguments for output_lbranch call.
9219 Add long branch length attributes.
9220 (decrement_and_branch_until_zero): Add long branch length attributes.
9221 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9222 Likewise. Revise arguments for output_parallel_addb and
9223 output_parallel_movb calls.
9224 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9225 output_parallel_movb and output_parallel_addb): Update prototypes.
9226 * pa.c (output_cbranch): Revise arguments. Correct handling of
9227 nullification in long branches.
9228 (output_lbranch): Add new argument to control extraction of delay
9230 (output_bb): Handle long branches.
9231 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9232 output_parallel_addb): Likewise.
9234 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9236 PR rtl-optimization/27073
9237 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9240 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9242 * tree.h (tree_memory_tag): Add old_used_alone.
9243 (SMT_OLD_USED_ALONE): New macro.
9244 * tree-ssa-alias.c (recalculate_used_alone): Stop
9245 marking things for renaming unnecessarily.
9247 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9249 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9250 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9251 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9252 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9253 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9254 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9255 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9256 spelling convensions.
9257 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9258 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9259 typos. Follow spelling conventions.
9261 2006-04-07 DJ Delorie <dj@redhat.com>
9263 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9264 passed on the stack.
9265 (m32c_init_cumulative_args): When a function returns a structure,
9266 always pass the pointer to that return area on the stack.
9267 (m32c_function_arg_advance): Don't increment the parameter number
9268 if we're processing the returned structure pointer.
9269 (pushm_info): Reverse order of registers.
9271 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9273 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9274 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9275 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9276 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9278 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9279 chrec_fold_multiply): Same.
9280 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9281 force_expr_to_var_cost): Same.
9282 * tree-mudflap.c (mf_xform_derefs_1): Same.
9283 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9285 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9287 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9288 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9291 2006-04-07 Jan Hubicka <jh@suse.cz>
9293 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9295 2006-04-07 Richard Guenther <rguenther@suse.de>
9297 PR tree-optimization/26135
9298 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9299 loads for store copy-prop.
9300 (copy_prop_visit_stmt): Likewise.
9302 2006-04-05 Robert Millan <robertmh@gnu.org>
9304 * config/i386/linux.h: Add a comment to mark macros that are
9305 being overriden in config/k*bsd-gnu.h.
9306 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9308 * config/knetbsd-gnu.h: Ditto.
9310 2006-04-06 Jan Hubicka <jh@suse.cz>
9314 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9317 2006-04-06 Mike Stump <mrs@apple.com>
9319 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9320 for HAVE_nonlocal_goto to be consistent.
9321 (expand_builtin_nonlocal_goto): Likewise.
9322 (expand_builtin_strcmp): Use #ifdef instead of #if
9323 for HAVE_cmpstrnsi to be consistent.
9325 2006-04-05 DJ Delorie <dj@redhat.com>
9327 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9330 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9332 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9333 got-relative addressing for anything but SImode.
9335 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9336 even if the calling function doesn't modify them.
9338 2006-04-05 Richard Guenther <rguenther@suse.de>
9340 PR tree-optimization/26919
9341 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9342 to cgraph_estimate_size_after_inlining.
9344 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9346 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9348 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9350 PR tree-optimization/26996
9351 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9352 VECTOR_TYPE variables.
9354 2006-04-05 Richard Guenther <rguenther@suse.de>
9356 PR tree-optimization/26763
9357 * fold-const.c (fold_comparison): Move folding of
9358 PTR + CST CMP PTR + CST ...
9359 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9361 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9363 * doc/install.texi (Prerequisites): Refine some wording on
9364 bootstrapping and ksh.
9365 Move the version numbers of DejaGnu here from the testing section
9366 and fix casing of names.
9367 Fix markup and clarify wording for autogen requirements.
9368 Refer to GCJ instead of just java.
9369 Refer to SVN instead of CVS.
9370 Describe diffutils as useful instead of necessary.
9371 (Downloading the source): Refer to SVN instead of CVS.
9372 Adjust a link to our web site accordingly.
9373 (Configuration): Fix casing of Bison.
9374 (Building): Refer to SVN instead of CVS.
9375 Fix a sentence on the use of Bison and remove duplicate (and
9376 incorrect) version number of Bison requirement.
9377 Remove one redundant list of packages needed for building.
9378 (Specific): Avoid reference to CVS.
9380 2006-04-04 Eric Christopher <echristo@apple.com>
9382 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9383 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9384 (rs6000_handle_struct_attribute): New.
9385 (rs6000_ms_bitfield_layout_p): Ditto.
9387 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9389 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9390 NULL for dso parameter to atexit_common.
9392 2006-04-04 Eric Christopher <echristo@apple.com>
9394 * config/i386/i386.c (machopic_output_stub): Output \t
9395 between instructions and operands.
9397 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9399 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9400 satisfies_constraint_[IL] to explicit tests on value.
9402 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9404 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9405 set_nb_iterations_in_loop): Use build_int_cst instead of
9407 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9408 build_int_cst instead of convert.
9410 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9412 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9413 new value 2 for incoming.
9414 * function.c (expand_function_start): Call struct_value_rtx
9416 * config/sparc/sparc.md: Comment updated_return.
9417 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9418 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9419 struct return if sparc_std_struct_return and incoming is 2.
9420 (print_operand): Do not adjust return if
9421 sparc_std_struct_return.
9423 2006-04-04 Roger Sayle <roger@eyesopen.com>
9425 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9426 convert in the middle-end.
9427 * expr.c (store_expr, store_constructor, get_inner_reference,
9428 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9430 * tree.c (build_range_type): Likewise.
9432 2006-04-04 Tom Tromey <tromey@redhat.com>
9434 * doc/install.texi (Prerequisites): Mention jar.
9436 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9438 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9441 2006-04-04 Matthias Klose <doko@debian.org>
9443 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9447 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9450 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9452 * doc/extend.texi (Function Attributes): Rewrite visibility
9453 attribute documentation.
9454 * doc/invoke.texi (C++ Dialect Options): Rewrite
9455 -fvisibility-inlines-hidden documentation to describe something
9456 entirely different, although in practise compatible.
9457 (Code Gen Options): Warn about system headers in -fvisibility=
9460 * doc/extend.texi (Other Builtins): Document that
9461 __builtin_nan is a compile-time constant only when its argument
9464 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9466 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9467 trying to remove TRUNCATE check if all bits outside the new mode
9468 are identical to the sign bit.
9470 2006-04-03 Jeff Law <law@redhat.com>
9472 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9473 and operand scanning in some common cases.
9475 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9476 Dale Johannesen <dalej@apple.com>
9479 * regclass.c (struct reg_pref): Update documentation.
9480 (regclass): Set prefclass to NO_REGS if memory is the best option.
9481 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9482 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9483 into account. For non-registers, equate an empty preferred
9484 reload class to a `!' in the constraint; move the if clause to
9485 do so after those that reject the insn.
9486 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9488 (find_dummy_reload): Likewise.
9489 * doc/tm.texi (Register Classes): Document what it means
9490 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9491 * config/i386/i386.c (ix86_preferred_reload_class): Force
9492 using SSE registers (and return NO_REGS for floating-point
9493 constants) if math is done with SSE.
9494 (ix86_preferred_output_reload_class): New.
9495 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9496 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9497 * config/i386/i386.md: Remove # register preferences.
9499 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9502 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9503 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9504 the type of nb_iter.
9505 (instantiate_parameters_1): Convert the operands before calling
9506 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9507 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9509 2006-04-02 Roger Sayle <roger@eyesopen.com>
9511 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9512 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9514 * dojump.c (do_jump): Likewise.
9515 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9516 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9517 gimplify_boolean_expr): Likewise.
9518 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9519 * varasm.c (array_size_for_constructor): Likewise.
9520 * tree-object-size.c (compute_object_offset): Likewise.
9522 2006-04-02 Roger Sayle <roger@eyesopen.com>
9525 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9526 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9528 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9530 PR tree-optimization/26939
9531 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9533 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9535 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9536 at_stmt. Convert the type of operands before calling
9537 build_polynomial_chrec.
9538 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9540 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9541 (instantiate_parameters_1): Convert the type of operands before calling
9542 build_polynomial_chrec.
9543 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9544 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9545 reset_evolution_in_loop): Insert asserts to check the types of the
9547 (chrec_type): Moved...
9548 (eq_evolutions_p): Use operand_equal_p.
9549 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9550 the types of the operands.
9551 (chrec_type): ...here.
9552 * tree-data-ref.c (create_data_ref): Convert the operands before
9553 calling chrec_replace_initial_condition.
9554 (same_access_functions, analyze_subscript_affine_affine,
9555 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9556 (compute_subscript_distance, analyze_ziv_subscript,
9557 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9558 analyze_miv_subscript): Convert the operands before calling
9559 chrec_fold_minus or chrec_fold_plus.
9561 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9563 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9564 the dependence_relations vector.
9565 (compute_data_dependences_for_loop): Adjust call to
9566 compute_all_dependences.
9568 2006-04-01 Roger Sayle <roger@eyesopen.com>
9569 Richard Henderson <rth@redhat.com>
9571 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9572 gimple_boolify on the condition before calling gimplify_expr.
9574 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9576 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9577 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9578 the frame size. Update to use the new macros.
9579 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9580 * config/xtensa/ieee754-df.S: Likewise.
9582 2006-03-31 Richard Henderson <rth@redhat.com>
9584 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9585 (make_edges): ... here. Control fallthru creation with a local
9586 variable. Do not play with fake edges.
9587 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9588 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9591 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9593 * dwarf2.h (DW64_CIE_ID): Define.
9594 * dwarf2out.c (DWARF_CIE_ID): Define.
9595 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9596 length header. Use DWARF_CIE_ID.
9597 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9598 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9600 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9602 * config/sh/linux-atomic.asm: New file.
9603 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9605 2006-03-31 DJ Delorie <dj@redhat.com>
9607 * config/m32c/cond.md: Set condition flags properly throughout.
9608 * config/m32c/minmax.md: Likewise.
9609 * config/m32c/prologue.md: Likewise.
9610 * config/m32c/bitops.md: Likewise.
9611 * config/m32c/muldiv.md: Likewise.
9612 * config/m32c/mov.md: Likewise.
9613 * config/m32c/addsub.md: Likewise.
9614 * config/m32c/m32c.md: Likewise.
9615 * config/m32c/jump.md: Likewise.
9616 * config/m32c/shift.md: Likewise.
9618 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9619 conditionally output the pattern for this.
9620 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9621 (m32c_compare_redundant): New.
9622 (m32c_output_compare): New.
9623 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9625 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9626 dest, not src. Allow other 4-byte modes.
9628 2006-03-30 Denis Chertykov <denisc@overta.ru>
9630 * doc/md.texi: Refer to avr/constraints.md instead of
9633 2006-03-30 Roger Sayle <roger@eyesopen.com>
9635 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9636 signed vs. unsigned comparison failures on some hosts.
9638 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9641 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9642 change to FLOAT_REGS.
9644 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9645 (rs6000_override_options): Use it.
9646 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9647 only for -mabi=spe/no-spe and -mabi=altivec.
9649 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9651 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9654 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9656 * Makefile.in: Rename docdir to gcc_docdir.
9658 2006-03-30 Roger Sayle <roger@eyesopen.com>
9661 * expr.c (emit_group_store): Optimize group stores into a pseudo
9662 register by using a paradoxical subreg to initialize the destination
9663 if the first or last member of the group specifies a "low part".
9665 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9668 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9669 * target.h (struct gcc_target.speculate_insn): Change type of the
9670 second parameter to 'int'.
9671 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9672 the second operand of the DEPS_LIST.
9673 (copy_DEPS_LIST_list): Update reference to the second operand of the
9675 * rtl.h (alloc_DEPS_LIST): Update signature.
9676 * sched-int.h (ds_t): Change typedef to 'int'.
9677 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9679 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9681 * haifa-sched.c (try_ready): Change condition to restore
9682 non-speculative pattern of the instruction.
9683 (process_insn_depend_be_in_spec): Code to keep probability of the
9684 speculative dependence non-decreasing.
9686 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9688 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9689 (single_move_for_movmem): ... this. Also change all uses.
9690 (bfin_expand_strmov): Renamed to...
9691 (bfin_expand_movmem): ... this. Also change all uses.
9692 * config/bfin/bfin.md (movstrsi): Renamed to...
9693 (movstrsi): ...this.
9695 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9697 PR tree-optimization/26830
9699 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9700 (copy_prop_visit_stmt): Remove write-only variable ann.
9701 (init_copy_prop): Check variable loop depth here. Do not simulate
9702 memory-tag and virtual operand PHIs except for store copy prop.
9704 2006-03-30 Richard Guenther <rguenther@suse.de>
9706 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9707 variants with double arguments.
9709 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9711 * genpreds.c (write_tm_constrs_h): Delete variable p.
9712 * genconditions.c (write_header): Add tm-constrs.h to included
9714 * genpeep.c (main): Add toplev.h to included headers.
9715 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9716 (build/genpeep.o): Add toplev.h dependency.
9717 * config/rs6000/constraints.md: Add "W" constraint.
9719 2006-03-29 Roger Sayle <roger@eyesopen.com>
9721 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9722 sizes by correctly testing whether the size fits a host integer.
9723 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9724 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9725 SImode range for the default sizetype and bitsizetype.
9727 2006-03-29 Roger Sayle <roger@eyesopen.com>
9729 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9730 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9731 quickly if the argument is already of the correct type.
9732 Call fold_build1 instead of build1. Tidy up blank lines.
9734 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9736 * genemit.c (main): Add tm-constrs.h to included headers.
9737 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9738 * genpeep.c (main): Add tm-constrs.h to included headers.
9739 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9740 (write_tm_constrs_h): this and write complete file.
9741 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9742 (write_insn_preds_c): Add tm-constrs.h to included headers.
9743 (gen_constrs): New variable.
9744 (parse_option): Parse "-c".
9745 (main): Invoke write_tm_constrs_h.
9746 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9747 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9748 (object_out_file): Add tm-constrs.h dependency.
9749 (insn-emit.o): Same.
9750 (insn-output.o): Same.
9751 (insn-peep.o): Same.
9752 (insn-preds.o): Same.
9753 (insn-recog.o): Same.
9754 (tm-constsr.h): New target.
9755 (s-constrs-h): New target.
9757 * config/rs6000/constraints.md: New file.
9758 * config/rs6000/rs6000.c: Include tm-constrs.h.
9759 (num_insn_constant_wide): Convert to satisfies_constraint.
9760 (rs6000_rtx_costs): Convert to satisfies_constraint.
9761 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9762 (CONST_OK_FOR_LETTER_P): Delete.
9763 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9764 (EXTRA_CONSTRAINT): Delete.
9765 (EXTRA_MEMORY_CONSTRAINT): Delete.
9766 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9767 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9768 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9769 satisfies_constraint.
9771 * config/i386/i386.c: Include tm-constrs.h.
9773 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9775 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9776 * tree-data-ref.c (find_data_references_in_loop,
9777 compute_data_dependences_for_loop): Use pointers to VEC.
9778 (analyze_all_data_dependences): Adjust calls.
9779 * tree-data-ref.h (find_data_references_in_loop,
9780 compute_data_dependences_for_loop): Adjust declarations.
9781 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9782 compute_data_dependences_for_loop.
9784 2006-03-29 Paul Brook <paul@codesourcery.com>
9786 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9789 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9791 PR tree-optimization/26859
9792 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9794 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9795 for the step after fold_convert.
9797 2006-03-29 Paul Brook <paul@codesourcery.com>
9799 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9800 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9802 2006-03-29 Paul Brook <paul@codesourcery.com>
9805 * targhooks.c (default_narrow_bitfield): New fuction.
9806 * targhooks.h (default_narrow_bitfield): add prototype.
9807 * target.h (gcc_target): Add narrow_volatile_bitfield.
9808 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9809 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9810 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9811 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9813 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9815 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9817 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9818 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9819 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9820 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9821 (s390_function_arg_float): Allow SDmode and DDmode values to be
9822 passed in floating point registers.
9823 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9824 check with SCALAR_FLOAT_MODE_P.
9825 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9827 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9829 PR tree-optimization/25985
9830 * tree-ssa-loop-niter.c (number_of_iterations_le,
9831 number_of_iterations_ne): Make comments more precise.
9832 (number_of_iterations_cond): Add only_exit argument. Use the
9833 fact that signed variables do not overflow only when only_exit
9835 (loop_only_exit_p): New.
9836 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9837 number_of_iterations_cond.
9839 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9841 PR tree-optimization/26643
9842 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9845 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9847 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9848 (divsi3_i4_int): Likewise.
9850 2006-03-28 Roger Sayle <roger@eyesopen.com>
9852 * expr.c (emit_group_store): Only create a new pseudo reg if the
9853 quantity it needs to hold isn't already a suitable pseudo.
9855 2006-03-28 Jeff Law <law@redhat.com>
9857 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9858 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9860 2006-03-28 Roger Sayle <roger@eyesopen.com>
9862 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9863 the equivalent ~X & Y, and the symmetry related transformations.
9864 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9865 ~X & Y, and symmetry related transforms.
9867 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9869 Revert my 2006-03-27 patches.
9871 2006-03-28 Roger Sayle <roger@eyesopen.com>
9873 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9874 ~(T1)X, when T1 and T2 are integer types of the same precision
9875 and (T2)X isn't an extension.
9877 2006-03-28 Jeff Law <law@redhat.com>
9879 PR tree-optimization/26796
9880 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9881 need EH edge cleanups rather than purging them immediately.
9882 (eliminate_degenerate_phis): Handle queued EH cleanups.
9884 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9886 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9889 2006-03-27 Roger Sayle <roger@eyesopen.com>
9892 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9893 cast BIT_NOT_EXPR operand to the correct type.
9895 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9897 * tree-loop-linear.c: Don't include varray.h.
9898 (gather_interchange_stats, try_interchange_loops,
9899 linear_transform_loops): Use VEC instead of VARRAY.
9900 * lambda-mat.c: Don't include varray.h.
9901 * tree-chrec.c: Same.
9902 * lambda-trans.c: Same.
9903 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9904 VEC instead of VARRAY.
9905 * tree-vectorizer.h: Idem.
9906 * tree-data-ref.c (dump_data_references,
9907 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9908 initialize_data_dependence_relation, finalize_ddr_dependent,
9909 compute_all_dependences, find_data_references_in_loop,
9910 compute_data_dependences_for_loop, analyze_all_data_dependences,
9911 free_dependence_relation, free_dependence_relations,
9912 free_data_refs): Idem.
9913 * tree-data-ref.h (data_reference_p, subscript_p): New.
9914 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9915 VEC instead of VARRAY.
9916 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9917 (find_data_references_in_loop, compute_data_dependences_for_loop,
9918 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9919 dump_data_dependence_relations, free_dependence_relations,
9920 free_data_refs): Adjust declaration.
9921 (lambda_transform_legal_p): Move declaration here...
9922 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9923 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9924 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9925 vect_analyze_data_refs): Use VEC instead of VARRAY.
9926 * lambda.h (lambda_transform_legal_p): ...from here.
9927 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9928 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9929 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9930 tree-chrec.o): Don't depend on VARRAY_H.
9932 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9934 * rtl.def (Copyright): Update date.
9935 (DEPS_LIST): Change type of the second operand to 'int'.
9936 * target.h (Copyright): Update date.
9937 (struct gcc_target.speculate_insn): Change type of the second parameter
9939 * lists.c (Copyright): Update date.
9940 (alloc_DEPS_LIST): Change signature. Update reference to the second
9941 operand of the DEPS_LIST.
9942 (copy_DEPS_LIST_list): Update reference to the second operand of the
9944 * rtl.h (Copyright): Update date.
9945 (alloc_DEPS_LIST): Update signature.
9946 * sched-int.h (Copyright): Update date.
9947 (ds_t): Change typedef to 'int'.
9948 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9950 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9952 * haifa-sched.c (Copyright): Update date.
9953 (try_ready): Change condition to restore non-speculative pattern
9955 (process_insn_depend_be_in_spec): Code to keep probability of the
9956 speculative dependence non-decreasing.
9958 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9960 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9961 shut up the compiler.
9963 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9965 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9966 to use lib prefix for target.
9967 ($(T)libic_invalidate_array_4-200.a): Likewise.
9968 ($(T)libic_invalidate_array_4a.a): Likewise.
9970 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9971 J"orn Rennecke <joern.rennecke@st.com>
9973 * superh.opt: New file.
9974 * sh.c (boardtype, osruntime): Remove.
9975 * superh.h (SUBTARGET_OPTIONS): Remove.
9976 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9978 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9979 arguments with ^ and/or [].
9981 * config.gcc (sh-*-*): Add quoting to account for quirk of
9983 Replace == with = in enable_incomplete_targets test.
9985 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9986 with MASK_LITTLE_ENDIAN.
9988 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9989 * config/sh/sh.opt: Added to some comments.
9990 * config/sh/superh.h: Removed some chaff.
9992 * config/sh/sh.opt: Add m4-[1234]00* options.
9993 * config/sh/sh.c (sh_handle_option): Likewise.
9994 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9995 (ic_invalidate_array_4-100.o): New rule.
9996 ($(T)libic_invalidate_array_4-100.a): Likewise.
9997 (ic_invalidate_array_4-200.o): Likewise.
9998 ($(T)libic_invalidate_array_4-200.a): Likewise.
9999 (ic_invalidate_array_4a.o): Likewise.
10000 ($(T)libic_invalidate_array_4a.a): Likewise.
10001 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10002 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10004 * config/sh/crt1.asm: Merged in profiling code.
10005 * config/sh/superh.h (STARTFILE_SPEC): Override.
10006 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10007 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10008 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10010 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10011 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10012 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10014 * sh.opt (mpretend-cmove): New option.
10015 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10016 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10017 (movsicc): Add TARGET_PRETEND_CMOVE code.
10019 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10021 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10022 s390_class_max_nregs): New function prototypes.
10023 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10024 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10025 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10026 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10028 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10030 * dwarf2out.c (add_location_or_const_value_attribute): Call
10031 tree_add_const_value_attribute if nothing else works.
10032 (reference_to_unused): New.
10033 (rtl_for_decl_init): Use reference_to_unused to decide whether
10034 to output an initializer.
10036 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10039 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10040 peephole removing spe frob_di_df_2.
10042 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10044 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10045 (subscript_dependence_tester_1): Declared.
10046 (print_dir_vectors, print_dist_vectors): New.
10047 (debug_data_dependence_relation): New.
10048 (dump_data_dependence_relation): Print more details.
10049 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10050 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10051 (save_dist_v, save_dir_v, add_outer_distances,
10052 build_classic_dist_vector_1): New.
10053 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10054 Don't test for lambda_vector_lexico_pos.
10055 (same_access_functions, add_multivariate_self_dist,
10056 add_other_self_distances, dir_from_dist): New.
10057 (build_classic_dir_vector): Replace implementation almost identical to
10058 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10060 (subscript_dependence_tester_1): New.
10061 (subscript_dependence_tester): Handle the lexicographically negative
10062 distance vectors by recomputing the dependence relation.
10063 (compute_affine_dependence): Remove parameter loop_nest_depth.
10064 (compute_self_dependence): Don't call compute_subscript_distance.
10065 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10066 Add a parameter for the loop_nest.
10067 (find_loop_nest_1, find_loop_nest): New.
10068 (compute_data_dependences_for_loop): Compute the loop nest, and give
10069 up if the nest is not well formed.
10070 * tree-data-ref.h (loop_p): New.
10071 (struct data_dependence_relation): Replace size_vect field with
10072 loop_nest, a vec of loops.
10073 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10074 (DDR_LOOP_NEST): New.
10075 (print_dir_vectors, print_dist_vectors,
10076 debug_data_dependence_relation): Declared.
10077 (index_in_loop_nest): New.
10078 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10079 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10082 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10084 * simplify-rtx.c (simplify_relational_operation): Call
10085 simplify_relational_operation_1 even if mode is VOIDmode.
10087 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10089 PR tree-optimization/26804
10090 * tree.h (DECL_CALL_CLOBBERED): New macro.
10091 (tree_decl_common): Add call_clobbered_flag.
10092 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10093 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10094 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10095 (mark_non_addressable): Ditto.
10096 * tree-ssa.c (verify_call_clobbered): New function.
10097 (verify_alias_info): Use it.
10098 * tree-pass.h (pass_reset_cc_flags): New prototype.
10099 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10100 (reset_cc_flags): New function.
10101 * passes.c (init_optimization_passes): Call reset_cc_flags after
10102 initializing referenced_vars.
10104 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10105 Roger Sayle <roger@eyesopen.com>
10107 PR middle-end/26717
10108 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10109 to 1.0 for non-real operands. Implement A / A optimization for
10112 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10114 * config/i386/i386.c (size_cost): Correct the comment for
10115 cost of storing fp registers.
10116 (i386_cost): Likewise.
10117 (i486_cost): Likewise.
10118 (pentium_cost): Likewise.
10119 (pentiumpro_cost): Likewise.
10120 (k6_cost): Likewise.
10121 (athlon_cost): Likewise.
10122 (k8_cost): Likewise.
10123 (pentium4_cost): Likewise.
10124 (nocona_cost): Likewise.
10125 (generic64_cost): Likewise.
10126 (generic32_cost): Likewise.
10128 2006-03-24 Denis Chertykov <denisc@overta.ru>
10130 * config/avr/avr-protos.h (extra_constraint): Delete.
10131 (extra_constraint_Q): New declaration.
10132 * config/avr/constraints.md: New file.
10133 * config/avr/avr.md: Include it.
10134 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10135 (TMP_REGNO, ZERO_REGNO): Likewise.
10136 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10137 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10138 (extra_constraint): Delete.
10139 (extra_constraint_Q): Test for memory constraint 'Q'.
10140 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10141 (REG_CLASS_FROM_LETTER): Delete.
10142 (CONST_OK_FOR_LETTER_P): Delete.
10143 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10144 (EXTRA_CONSTRAINT): Delete.
10145 (TMP_REGNO): Delete.
10146 (ZERO_REGNO): Delete.
10148 2006-03-24 Jeff Law <law@redhat.com>
10150 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10151 directly. Call mark_new_vars_to_rename slightly earlier.
10153 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10155 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10156 (is_cxx): Likewise.
10157 (gen_compile_unit_die): Use new language types for Objective-C and
10159 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10160 DW_LANG_C_plus_plus.
10163 * config/t-darwin (crt3.o): Work around bug 26840.
10164 * config/darwin-crt3.c: Rewrite.
10165 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10167 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10169 * doc/invoke.texi: Document -femit-class-debug-always
10170 * common.opt: Add -femit-class-debug-always.
10172 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10174 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10175 index and base register.
10176 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10177 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10178 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10179 REGNO_OK_FOR_INDEX_P.
10180 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10182 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10183 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10184 REG_OK_FOR_BASE_P): Definitions removed.
10186 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10188 PR middle-end/26611
10189 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10190 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10191 set yet or weren't marked as local yet.
10193 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10195 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10198 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10200 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10201 (rs6000_legitimate_small_data_p): Delete.
10202 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10203 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10204 and make static. Add forward declaration. Update uses.
10205 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10206 of offsettable_memref_p.
10207 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10208 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10210 2006-03-24 Jeff Law <law@redhat.com>
10212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10213 around bug in immediate-use iterator.
10215 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10218 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10219 or __LITTLE_ENDIAN__.
10221 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10223 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10224 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10225 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10226 * config/sh/sh.opt (mdiv=): Amend description.
10227 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10228 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10229 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10230 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10231 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10232 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10233 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10234 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10235 TARGET_DIVIDE_CALL_FP.
10237 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10239 * haifa-sched.c (choose_ready): Fix type of the local variable.
10240 Move local variables. Add comment.
10241 (check_reg_live): Change signature. Make callable from debugger.
10242 * sched-int.h (check_reg_live): Update signature.
10243 * sched-ebb.c (check_reg_live): Update parameters.
10244 * sched-rgn.c (check_reg_live): Ditto.
10245 (region_head_or_leaf_p): Check pointer before dereferencing.
10246 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10247 before reload on optimization levels below 1.
10249 2006-03-23 Richard Henderson <rth@redhat.com>
10251 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10255 * config/alpha/predicates.md (local_symbolic_operand): Reject
10258 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10261 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10262 expressions which have overflowed constants.
10264 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10266 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10268 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10270 * cfgloopmanip.c (create_loop_notes): Removed.
10271 * final.c (final_scan_insn): Do not handle loop notes.
10272 * jump.c (squeeze_notes): Ditto.
10273 * cfglayout.c (skip_insns_after_block,
10274 duplicate_insn_chain): Ditto.
10275 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10277 * cfgloop.h (create_loop_notes): Declaration removed.
10279 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10281 * varasm.c (output_constant_pool): Restore fnname and fndecl
10283 (assemble_start_function): Adjust call accordingly.
10284 (assemble_end_function): Likewise.
10286 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10289 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10292 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10294 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10297 * system.h (ICE_EXIT_CODE): New macro.
10298 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10299 (diagnostic_action_after_output): Likewise.
10300 * gcc.c (fatal_ice): New function.
10301 (execute): Use it instead of fatal.
10302 (fancy_abort): Likewise.
10303 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10305 2006-03-22 Jeff Law <law@redhat.com>
10307 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10308 iv_analyze_result returning false.
10310 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10312 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10314 2006-03-22 Richard Henderson <rth@redhat.com>
10316 PR middle-end/26084
10317 * except.c (duplicate_eh_regions_0): New.
10318 (duplicate_eh_region_1): Duplicate the children of the node as
10319 well as the node itself. Link them up properly.
10320 (duplicate_eh_region_2): Merge into ...
10321 (duplicate_eh_regions): ... here. Take copy_region argument, and
10322 copy only a sub-tree if asked. Simplify copying and fixup.
10323 (eh_region_outer_p): New.
10324 * except.h (duplicate_eh_regions): Update decl.
10325 (eh_region_outer_p): Declare.
10326 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10327 (lower_omp_master): Likewise.
10328 (lower_omp_ordered): Likewise.
10329 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10330 (move_stmt_r): Use it to remap labels. Handle recursion vs
10331 remap_decls_p properly.
10332 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10333 (find_outermost_region_in_block): New.
10334 (new_label_mapper): New.
10335 (move_sese_region_to_fn): Copy eh information to the new function
10337 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10339 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10342 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10344 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10345 into shared libraries.
10347 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10349 * doc/md.texi: Refer to i386/constraints.md instead of
10350 i386/predicates.md.
10351 * config/i386/constraints.md: New file, extracted from...
10352 * config/i386/predicates.md: ...here.
10353 * config/i386/i386.md: Include constraints.md.
10355 2006-03-21 Jason Merrill <jason@redhat.com>
10357 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10359 PR middle-end/20297
10360 * expr.c (init_block_move_fn): Force default visibility.
10361 (init_block_clear_fn): Likewise.
10362 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10363 * targhooks.c (default_external_stack_protect_fail): Likewise.
10365 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10367 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10368 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10369 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10370 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10371 (loadgp): Use mips_current_loadgp_style.
10372 (loadgp_noshared): New pattern.
10373 (sibcall_internal): Use MIPS_CALL.
10374 (sibcall_value_internal): Likewise.
10375 (sibcall_value_multiple_internal): Likewise.
10376 (call_internal): Likewise.
10377 (call_value_internal): Likewise.
10378 (call_value_multiple_internal): Likewise.
10379 (call_split): Use MIPS_CALL and add an 'S' constraint.
10380 (call_value_split): Likewise.
10381 (call_value_multiple_split): Likewise.
10382 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10383 (-mshared): New option.
10384 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10385 (mips_current_loadgp_style): Declare.
10386 * config/mips/mips.c (mips_classify_symbol): Avoid using
10387 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10388 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10389 TARGET_ABSOLUTE_ABICALLS.
10390 (override_options): Adjust comments. Improve the warning that is
10391 issued when -mabicalls and -G are used together.
10392 (mips_file_start): Remove comment.
10393 (mips_current_loadgp_style): New function.
10394 (mips_gnu_local_gp): New variable.
10395 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10397 (mips_output_function_prologue): Use mips_current_laodgp_style.
10398 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10399 the cprestore instruction.
10400 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10401 live for TARGET_ABSOLUTE_ABICALLS.
10402 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10403 (ASM_SPEC): Pass down -mshared and -mno-shared.
10404 (MIPS_CALL): New macro.
10405 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10407 * doc/invoke.texi (-mabicalls): Update documentation.
10408 (-mshared): Document.
10410 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10412 * config/ia64/unwind-hpux.c: New file.
10413 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10415 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10418 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10420 2006-03-21 Jeff Law <law@redhat.com>
10422 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10423 type conversions of a VR_VARYING source to a wider type.
10425 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10427 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10428 tm_file on Solaris 10 and later.
10429 (sparc64-*-solaris2*): Likewise.
10430 (sparc-*-solaris2*): Likewise.
10431 * config/sol26.h: Rename to config/sol2-6.h.
10432 * config/sol2-10.h: New file.
10434 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10437 * tree-ssa-pre.c (create_component_ref_by_pieces):
10440 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10443 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10444 return it immediately.
10446 2006-03-21 Michael Matz <matz@suse.de>
10448 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10450 (remove_arc, add_arc): Update num_out_arcs member.
10451 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10453 (cache_presence): New function.
10454 (compare_states_for_equiv): New function.
10455 (state_is_differed): Don't take number of outargs, adjust callers.
10456 Use new invariant for speeding up.
10457 (init_equiv_class): Create initial classes based on sorted
10459 (partition_equiv_class): Don't track out_arcs_num.
10460 (evaluate_equiv_classes): Call cache_presence on all states and
10463 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10465 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10466 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10467 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10468 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10470 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10471 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10472 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10473 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10474 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10476 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10477 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10478 (REGNO_REG_CLASS): ARGP is in PREGS.
10479 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10481 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10482 to deal with those addresses.
10483 * addresses.h: New file.
10484 * caller-save.c: Include "addresses.h".
10485 (init_caller_save): Use new base_reg_class function.
10486 * rtl-factoring.c: Include "addresses.h".
10487 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10488 * recog.c: Include "addresses.h".
10489 (preprocess_constraints): Use new base_reg_class function.
10490 * regrename.c: Include "addresses.h".
10491 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10492 functions. Keep track of a new var INDEX_CODE to compute valid
10494 (replace_oldest_value_addr): Likewise.
10495 (replace_oldest_value_mem): Use base_reg_class.
10496 * reload.c: Include "addresses.h".
10497 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10498 (find_reloads): Use new base_reg_class function.
10499 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10500 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10501 all callers and prototype changed.
10502 * reload1.c: Include "addresses.h".
10503 (maybe_fix_stack_asms): Use base_reg_class.
10504 * regclass.c: Include "addresses.h".
10505 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10506 (init_reg_autoinc): Use new base_reg_class function.
10507 (record_reg_classes): Likewise.
10508 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10509 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10510 Use new args to compute necessary class.
10512 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10513 regrename.o, rtl-factoring.o): Update dependencies.
10514 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10515 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10516 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10517 REG_OK_FOR_INDEX_P): Delete documentation.
10519 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10521 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10522 from V7 to V9 for Solaris 7 and above.
10524 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10526 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10527 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10528 argument pointers may not alias any other storage.
10529 * common.opt: Define option -fargument-noalias-anything.
10530 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10531 alias semantics is specified by flag_argument_noalias > 2.
10533 2006-03-20 Jeff Law <law@redhat.com>
10535 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10536 (pass_phi_only_cprop): Declare.
10537 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10538 with phi_only_cprop
10539 * tree-ssa-dom.c (degenerate_phi_result): New function.
10540 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10541 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10542 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10543 (eliminate_degenerate_phis): Likewise.
10544 (pass_phi_only_cprop): New pass descriptor.
10545 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10546 support code. Callers updated.
10547 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10548 (store_copy_prop): Likewise.
10549 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10551 2006-03-20 Jason Merrill <jason@redhat.com>
10554 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10555 (push_visibility, pop_visibility): Likewise.
10556 * c-pragma.h: Declare them.
10558 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10560 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10562 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10563 parameter and use get_ebb_head_tail.
10564 (sh_md_init_global): Adjust uses of find_regmode_weight.
10566 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10568 * function.h (struct function) <x_tail_recursion_reentry>:
10569 Rename to x_stack_check_probe_note.
10570 (tail_recursion_reentry): Rename to stack_check_probe_note.
10571 * function.c: Replace tail_recursion_reentry with
10572 stack_check_probe_note everywhere.
10573 (expand_function_start): Only emit a note for
10574 stack_check_probe_note with -fstack-protect.
10575 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10577 * emit-rtl.c (remove_unnecessary_notes): Remove.
10578 (pass_remove_unnecessary_notes): Remove.
10579 * rtl.h (remove_unnecessary_notes): Remove prototype.
10580 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10581 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10582 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10584 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10587 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10588 (valid_in_set): Handle ARRAY_REF.
10589 Change "if min_variant or VH" to asserts.
10590 (create_component_ref_by_pieces): Handle ARRAY_REF.
10591 (create_expression_by_pieces): Likewise.
10592 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10594 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10596 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10597 is operand of switch, not str[0].
10599 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10601 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10602 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10604 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10606 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10607 end of insn_extra_address_constraint declaration.
10609 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10611 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10612 (no-sum-in-toc): Same.
10613 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10615 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10616 NO_FP_IN_TOC for -fPIC instead of mask.
10618 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10619 (BOOT_LDFLAGS): Delete.
10621 * config/rs6000/t-aix52: Same.
10623 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10624 (stmsi[345678]_power): New.
10626 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10628 * config/ia64/ia64.opt: Add empty line to end of file.
10630 2006-03-17 Richard Guenther <rguenther@suse.de>
10632 PR middle-end/26721
10633 * builtins.c (get_pointer_alignment): For component style references
10634 adjust alignment to the component type alignment. Make sure
10635 to adjust alignment for component access of constants.
10637 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10639 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10640 unconditional jump.
10642 2006-03-17 Paul Brook <paul@codesourcery.com>
10644 * doc/install.texi: Docuemnt --with-mode.
10645 * config.gcc: Add --with-mode for arm*-*-*.
10646 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10648 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10650 * sh.c (max_labelno_before_reorg): New variable.
10651 (sh_reorg): Initialize it.
10652 (find_barrier): Check max_labelno_before_reorg before using
10653 label_to_alignment. Take length of explicit alignment insns
10654 into account. When seeing a UNSPECV_CONST_END, return it.
10656 * sh.c (fixup_mova): Set mode of affected label to QImode.
10657 (untangle_mova): New function.
10658 (find_barrier): Use it. Check mode of label before decrementing
10660 (sh_reorg): Likewise.
10661 Set mode of all insns back to VOIDmode.
10663 * sh.c (MOVA_LABELREF): New macro.
10664 (mova_p, fixup_mova, sh_reorg): Use it.
10665 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10666 ADDR_DIFF_VEC matches mova.
10668 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10670 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10671 with ATTRIBUTE_UNUSED.
10673 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10675 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10676 pointer, instead of assuming it is possible to derive the
10677 correct args size from a call insn.
10679 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10681 * rtl.h (CONST_INT_P): Define.
10682 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10683 instead of GET_CODE(x) == CONST_INT.
10684 (vax_rtx_costs): Likewise.
10685 (vax_output_int_move): Likewise.
10686 (vax_output_int_add): Likewise.
10687 (legitimate_constant_address_p): Likewise.
10688 (index_term_p): Likewise.
10689 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10690 * config/vax/vax.md (and<mode>3): Likewise.
10691 (ashrsi3): Likewise.
10693 (movstricthi): Likewise.
10694 (movstrictqi): Likewise.
10695 (rotrsi3): Likewise.
10696 (five unnamed insns): Likewise.
10698 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10700 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10701 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10702 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10703 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10704 Pass to ASM_OUTPUT_DWARF_OFFSET.
10705 * dwarf2out.c (debug_frame_section): New.
10706 (output_call_frame_info): Use debug_frame_section. Pass it to
10707 dw2_asm_output_offset.
10708 (output_die): Pass appropriate section to dw2_asm_output_offset.
10709 (output_compilation_unit_header): Likewise.
10710 (output_pubnames): Likewise.
10711 (output_aranges): Likewise.
10712 (enum dw_val_class): Break dw_val_class_lbl_offset into
10713 dw_val_class_lineptr and dw_val_class_macptr.
10714 (add_AT_lbl_offset): Delete.
10715 (add_AT_lineptr): New.
10716 (add_AT_macptr): New.
10717 (AT_lbl): Expect a lineptr or macptr.
10718 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10719 (attr_checksum): Likewise.
10720 (same_dw_val_p): Likewise.
10721 (size_of_die): Likewise.
10722 (value_format): Likewise.
10723 (output_die): Likewise.
10724 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10726 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10727 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10728 * config/darwin-protos.h (darwin_file_start): New.
10729 (darwin_asm_output_dwarf_offset): New.
10730 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10731 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10733 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10734 if not EH section; simplify.
10735 (darwin_file_start): New.
10736 (darwin_asm_output_dwarf_offset): New.
10737 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10739 (DEBUG_INFO_SECTION): Likewise.
10740 (DEBUG_ABBREV_SECTION): Likewise.
10741 (DEBUG_ARANGES_SECTION): Likewise.
10742 (DEBUG_MACINFO_SECTION): Likewise.
10743 (DEBUG_LINE_SECTION): Likewise.
10744 (DEBUG_LOC_SECTION): Likewise.
10745 (DEBUG_PUBNAMES_SECTION): Likewise.
10746 (DEBUG_STR_SECTION): Likewise.
10747 (DEBUG_RANGES_SECTION): Likewise.
10748 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10749 (ASM_OUTPUT_DWARF_OFFSET): New.
10751 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10753 * config.gcc (tm_defines): Always add to previous value rather
10756 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10758 * config/mips/predicates.md (splittable_const_int_operand): New,
10759 split from move_operand.
10760 (splittable_symbolic_operand): New.
10761 (move_operand): Add commentary. Use splittable_const_int_operand.
10762 Inline mips_atomic_symbolic_constant_p.
10763 * config/mips/mips.md: Add combine splitters for handling moves
10764 of splittable_const_int_operands and splittable_symbolic_operands.
10765 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10766 (mips_split_symbol): Declare.
10767 (mips_move_integer): Declare.
10768 * config/mips/mips.c (mips_split_p): Make global.
10769 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10770 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10771 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10772 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10773 (mips_offset_within_object_p): Handle block symbols.
10774 (mips_atomic_symbolic_constant_p): Delete.
10775 (mips_cannot_force_const_mem): Return false for constants that
10776 mips_legitimize_move can handle.
10777 (mips_use_blocks_for_constant_p): New function.
10778 (mips_split_symbol): Make global.
10779 (mips_move_integer): Likewise. Add a temporary register argument.
10780 (mips_legitimize_const_move): Use splittable_const_int_operand and
10781 splittable_symbolic_operand.
10782 (mips_use_anchors_for_symbol_p): New function.
10783 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10784 (mips_split_p): Declare.
10786 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10788 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10789 (mips*-*-linux*): Likewise.
10791 2006-03-16 Roger Sayle <roger@eyesopen.com>
10792 Daniel Speyer <dspeyer@wam.umd.edu>
10794 PR middle-end/18259
10795 * tree-dump.c (dump_real): New function.
10796 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10797 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10798 (tree-dump.o): Add $(REAL_H) to the dependencies.
10800 2006-03-16 Roger Sayle <roger@eyesopen.com>
10802 PR middle-end/21781
10803 * real.c (real_from_string): If the mantissa is zero, don't bother
10804 parsing the exponent as the result should always be zero.
10806 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10808 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10810 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10812 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10813 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10814 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10815 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10816 ia64_sched_finish_global): New static functions to implement
10817 hooks from gcc_target.sched.
10818 (spec_check_no, max_uid, pending_data_specs): New static variables.
10819 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10820 ia64_spec_check_src_p): New static functions.
10821 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10822 (TARGET_SCHED_ADJUST_COST): Removed.
10823 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10824 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10825 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10826 TARGET_SCHED_GEN_CHECK,
10827 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10828 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10829 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10830 Fixed to handle speculation checks.
10831 (rtx_needs_barrier): Fixed to handle speculative loads and
10833 (ia64_variable_issue): Added code to count speculative loads and their
10835 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10837 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10839 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10841 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10842 (ia64_reorg): Reset stops_p to NULL after it is freed.
10843 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10844 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10845 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10847 (data_speculative, control_speculative, check_load): New attributes.
10848 (mov<mode>_advanced, mov<mode>_speculative,
10849 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10850 zero_extend<mode>di2_speculative,
10851 zero_extend<mode>di2_speculative_advanced): New patterns for
10852 data and control speculative loads.
10853 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10855 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10856 New pattern for data and control speculation checks.
10857 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10858 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10859 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10860 Auxiliary definitions for the patterns.
10861 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10862 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10864 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10866 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10867 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10868 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10869 New resource constraints.
10870 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10872 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10873 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10874 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10875 msched-in-control-spec, msched-ldc, msched-control-ldc,
10876 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10877 msched-prefer-non-control-spec-insns,
10878 msched-count-spec-in-critical-path): New flags to tune speculative
10880 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10881 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10882 msched-in-control-spec, msched-ldc, msched-control-ldc,
10883 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10884 msched-prefer-non-control-spec-insns,
10885 msched-count-spec-in-critical-path): Document new flags.
10887 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10889 * target.h (struct spec_info_def): New opaque declaration.
10890 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10891 speculate_insn, needs_block_p, gen_check,
10892 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10893 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10894 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10895 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10896 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10897 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10899 (TARGET_SCHED): Use new macros.
10900 * rtl.h (copy_DEPS_LIST_list): New prototype.
10901 * sched-int.h (struct sched_info): Change signature of new_ready field,
10902 adjust all initializations. New fields: add_remove_insn,
10903 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10904 region_head_or_leaf_p.
10905 (struct spec_info_def): New structure declaration.
10906 (spec_info_t): New typedef.
10907 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10908 recovery_block, orig_pat.
10909 (glat_start, glat_end): New variables declaraions.
10910 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10912 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10913 DETACH_LIFE_INFO, USE_GLAT.
10914 (enum SPEC_SCHED_FLAGS): New enumeration.
10915 (NOTE_NOTE_BB_P): New macro.
10916 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10917 attach_life_info, debug_spec_status, check_reg_live): New functions.
10918 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10919 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10921 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10922 * ddg.c (get_block_head_tail): Adjust all uses.
10923 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10924 (sms_sched_info): Initialize new fields.
10925 (contributes_to_priority): Removed.
10926 * haifa-sched.c (params.h): New include.
10927 (get_block_head_tail): Adjust all uses.
10928 (ISSUE_POINTS): New macro.
10929 (glat_start, glat_end): New global variables.
10930 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10931 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10932 old_last_basic_block, before_recovery, current_sched_info_var,
10933 rgn_n_insns, luid): New static variables.
10934 (insn_cost1): New function. Move logic from insn_cost to here.
10935 (find_insn_reg_weight1): New function. Move logic from
10936 find_insn_reg_weight to here.
10937 (reemit_notes, move_insn, max_issue): Change signature.
10938 (move_insn1): Removed.
10939 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10940 extend_bb): New static functions to support extension of scheduler's
10942 (generate_recovery_code, process_insn_depend_be_in_spec,
10943 begin_speculative_block, add_to_speculative_block,
10944 init_before_recovery, create_recovery_block, create_check_block_twin,
10945 fix_recovery_deps): New static functions to support
10946 generation of recovery code.
10947 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10948 restore_bb_notes, move_block_after_check, move_succs): New static
10949 functions to support ebb scheduling.
10950 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10951 functions to support handling of register live information.
10952 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10953 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10954 add_jump_dependencies): New static functions.
10955 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10956 consistancy checking.
10957 (debug_spec_status): New function to call from debugger.
10958 (priority): Added code to handle speculation checks.
10959 (rank_for_schedule): Added code to distinguish speculative instructions.
10960 (schedule_insn): Added code to handle speculation checks.
10961 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10962 Fixed to handle ebbs.
10963 (move_insn): Added code to handle ebb scheduling.
10964 (max_issue): Added code to use ISSUE_POINTS of instructions.
10965 (choose_ready): Added code to choose between speculative and
10966 non-speculative instructions.
10967 (schedule_block): Added code to handle ebb scheduling and scheduling of
10968 speculative instructions.
10969 (sched_init): Initialize new variables.
10970 (sched_finish): Free new variables. Print statistics.
10971 (try_ready): Added code to handle speculative instructions.
10972 * lists.c (copy_DEPS_LIST_list): New function.
10973 * sched-deps.c (extend_dependency_caches): New function. Move logic
10974 from create_dependency_caches to here.
10975 (get_dep_weak, ds_merge): Make global.
10976 * genattr.c (main): Code to output prototype for
10977 dfa_clear_single_insn_cache.
10978 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10979 (output_dfa_clean_insn_cache_func): Code to output
10980 dfa_clear_single_insn_cache function.
10981 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10983 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10985 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10986 New static variables.
10987 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10988 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10990 (ebb_sched_info): Initialize new fields.
10991 (get_block_head_tail): Adjust all uses.
10992 (compute_jump_reg_dependencies): Fixed to use glat_start.
10993 (schedule_ebb): Code to remove unreachable last block.
10994 (schedule_ebbs): Added code to update register live information.
10995 * sched-rgn.c (region_sched_info): Initialize new fields.
10996 (get_block_head_tail): Adjust all uses.
10997 (last_was_jump): Removed. Adjust users.
10998 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10999 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11000 Implement new hooks.
11001 (check_dead_notes1): New static function.
11002 (struct region): New fields: dont_calc_deps, has_real_ebb.
11003 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11004 (BB_TO_BLOCK): Fixed to handle EBBs.
11005 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11006 (ebb_head): New static variable.
11007 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11008 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11010 (compute_dom_prob_ps): New assertion.
11011 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11012 global_live_at_start.
11013 (init_ready_list): New assertions.
11014 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11015 (new_ready): Add support for BEGIN_CONTROL speculation.
11016 (schedule_insns): Fixed code that updates register live information
11018 (schedule_region): Fixed to handle EBBs.
11019 (init_regions): Use extend_regions and check_dead_notes1.
11020 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11021 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11022 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11023 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11024 TARGET_SCHED_GEN_CHECK,
11025 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11026 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11027 * doc/invoke.texi (max-sched-insn-conflict-delay,
11028 sched-spec-prob-cutoff): Document.
11030 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11032 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11033 inter_tick, queue_index.
11034 (struct sched_info): Change signature of init_ready_list field.
11035 Adjust all initializations.
11036 (RESOLVED_DEPS): New access macro.
11037 (ready_add): Remove prototype.
11038 (try_ready): Add prototype.
11039 * sched-rgn.c (init_ready_list): Use try_ready.
11040 (schedule_region): Initialize
11041 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11042 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11043 (init_ready_list): Use try_ready.
11044 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11045 * lists.c (remove_list_elem): Remove `static'.
11046 (remove_free_INSN_LIST_elem): New function.
11047 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11048 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11049 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11051 (readyp): New variable.
11052 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11053 change_queue_index, resolve_dep): New static functions.
11054 (try_ready): New function. Adjust callers in sched-rgn.c and
11055 sched-ebb.c to use it instead of ready_add.
11056 (clock_var): Move at the begining of file.
11057 (rank_for_schedule): Fix typo.
11058 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11059 (ready_lastpos): Enforce assertion.
11060 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11061 update all callers.
11062 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11063 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11064 (queue_to_ready): Use free_INSN_LIST_list.
11065 (early_queue_to_ready): Fix typo.
11066 (schedule_block): Init readyp. Move init_ready_list call after the
11067 initialization of clock_var. Fix error in rejecting insn by
11068 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11069 that previously corrected INSN_TICKs. Add code for handling
11071 (set_priorities): Fix typo.
11072 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11073 Clarify comment and code that keeps current_sched_info->next_tail
11076 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11078 * sched-rgn.c (extend_rgns): New static function.
11079 (find_rgns): Use it.
11080 (gather_region_statistics, print_region_statistics): New static
11082 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11083 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11085 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11086 Andrey Belevantsev <abel@ispras.ru>
11088 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11089 * lists.c (unused_deps_list): New variable.
11090 (free_list): Add assertions to verify the proper distinguishing
11091 between INSN_LISTs and DEPS_LISTs.
11092 (find_list_elem, remove_list_elem, remove_list_node): New static
11094 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11095 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11096 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11097 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11099 (free_INSN_LIST_node): Likewise.
11100 * modulo-sched.c (current_sched_info): Initialize flags field.
11101 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11102 * rtl.def (DEPS_LIST): Define.
11103 * rtl.h: Declare new functions from lists.c.
11104 * sched-deps.c (spec_dependency_cache): New static variable.
11105 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11106 (add_dependence): Change return type to void. Move the logic to ...
11107 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11108 (delete_all_dependences): Add comment about forward_dependency_cache.
11109 Handle spec_dependency_cache. Handle DEPS_LISTs.
11110 (fixup_sched_groups): Clarify the change of priority of output
11111 and anti dependencies.
11112 (sched_analyze_2): Adjust add_dependence calls to create data
11113 speculative dependence.
11114 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11115 Adjust all callers. Handle DEPS_LISTS.
11116 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11117 presence of speculation.
11118 (init_dependency_caches, free_dependency_caches):
11119 Handle spec_dependency_cache.
11120 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11121 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11122 New static functions.
11123 (add_or_update_back_dep, add_or_update_back_forw_dep,
11124 add_back_forw_dep, delete_back_forw_dep): New functions.
11125 * sched-int.h (ds_t, dw_t): New typedefs.
11126 (struct sched_info): Add new field flags.
11127 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11128 Prototype new sched-deps.c functions.
11129 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11130 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11131 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11132 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11133 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11134 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11136 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11138 * sched-rgn.c (current_sched_info): Initialize flags field.
11139 (schedule_insns): Initialize current_sched_info before the sched_init
11141 * sched-ebb.c (current_sched_info): Initialize flags field.
11142 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11143 Call add_or_update_back_dep instead of add_dependence.
11144 Create control speculative dependencies.
11145 (schedule_insns): Initialize current_sched_info before the sched_init
11148 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11150 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11152 (sh_fallback_frame_state): Likewise.
11154 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11156 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11157 Do switch on default_use_cxa_atexit.
11158 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11159 * config/darwin-crt3.o: New.
11160 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11161 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11162 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11164 * config/rs6000/t-darwin: Move crt2.o building to here.
11165 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11166 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11169 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11171 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11172 from '! xxx' to '!xxx' for coding-style conformance.
11173 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11174 (EXTRA_CONSTRAINT): Likewise.
11175 * config/vax/vax.md (four unnamed insns): Likewise.
11177 2006-03-15 Paul Brook <paul@codesourcery.com>
11179 * config/arm/arm.c (minipool_pad): New.
11180 (add_minipool_forward_ref): Include pool alignment padding in address
11182 (push_minipool_fix): Set minipool_pad.
11183 (minipool_pad): Ditto.
11185 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11187 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11188 instead of GET_CODE() == MEM and REG_P() instead of
11190 (print_operand_address): Likewise.
11191 (vax_address_cost): Likewise.
11192 (vax_rtx_costs): Likewise.
11193 (vax_notice_update_cc): Likewise.
11194 (vax_output_int_add): Likewise.
11195 (INDEX_REGISTER_P): Likewise.
11196 (BASE_REGISTER_P): Likewise.
11197 (nonindexed_address_p): Likewise.
11198 (vax_mode_dependent_address_p): Likewise.
11199 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11200 (PRINT_OPERAND): Likewise.
11201 * config/vax/vax.md (ashlsi3): Likewise.
11202 (ashlsi3): Likewise.
11203 (some more unnamed insns): Likewise.
11205 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11207 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11208 iterator-style macro.
11209 (mark_control_dependent_edges_necessary): Update the use of
11210 EXECUTE_IF_CONTROL_DEPENDENT.
11212 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11214 * config/sh/predicates.md (cache_address_operand): Special.
11215 (ua_address_operand): Likewise.
11217 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11219 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11221 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11223 2006-03-15 Andreas Schwab <schwab@suse.de>
11225 * gensupport.c (identify_predicable_attribute): Don't free p_false
11226 when it is still in use.
11228 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11230 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11231 the default setting here.
11233 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11235 * tree-pass.h (pass_cfg): Remove.
11236 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11237 * passes.c (pass_cfg): Don't run it.
11239 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11241 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11242 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11244 (stack_regs_mentioned): Update the uses of
11245 stack_regs_mentioned_data. Don't access the array beyond its
11247 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11248 Don't include gt-reg-stack.h.
11250 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11251 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11253 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11255 PR middle-end/26684
11256 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11259 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11261 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11263 2006-03-14 Richard Guenther <rguenther@suse.de>
11265 PR tree-optimization/26672
11266 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11269 2006-03-14 Richard Guenther <rguenther@suse.de>
11271 PR tree-optimization/26667
11272 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11273 node for the callees. Always allow inlining if it will shrink
11276 2006-03-14 Richard Guenther <rguenther@suse.de>
11278 PR middle-end/26659
11279 * builtins.c (get_pointer_alignment): Prefer alignment
11280 information from decls over that from types.
11282 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11285 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11287 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11289 * config/rs6000/rs6000.opt (mdlmzb): New option.
11290 (msched-prolog, msched-epilog): Use Var not Mask.
11291 * doc/invoke.texi (-mdlmzb): Document.
11292 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11294 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11295 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11297 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11299 PR rtl-optimization/25739
11300 * bt-load.c (augment_live_range): Free tos pointer.
11302 * gensupport.c (identify_predicable_attribute): Free
11304 * gcov.c (create_file_names): Free name pointer.
11306 2006-03-13 Roger Sayle <roger@eyesopen.com>
11308 PR middle-end/26557
11309 * stmt.c (emit_case_nodes): Handle the case where the index is a
11310 CONST_INT, where the comparison mode is specified by the index type.
11312 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11314 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11317 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11319 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11320 (*branch_fp_inverted): Likewise.
11322 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11324 PR middle-end/25989
11325 * omp-low.c (expand_omp_for_generic): Mark istart0
11326 and iend0 as addressable.
11328 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11330 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11332 2006-03-13 Jeff Law <law@redhat.com>
11334 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11335 virtual operands are interesting.
11336 (vrp_visit_stmt): Corresponding changes.
11338 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11340 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11342 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11343 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11344 * config/bfin/crti.S: Use it instead of __PIC__.
11345 * config/bfin/crtn.S: Likewise.
11347 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11348 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11350 Lose 'G' modifier for call operand.
11351 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11352 recognize 'G' modifier.
11354 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11356 PR middle-end/18859
11357 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11358 * stmt.c (expand_case): Likewise.
11360 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11362 PR rtl-optimization/26254
11363 * loop-invariant.c (seq_insns_valid_p): New function.
11364 (move_invariant_reg): Only emit new code if it is valid.
11366 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11368 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11370 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11371 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11372 (commit_one_edge_insertion): Do not look for loop notes.
11374 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11376 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11377 flag_test_coverage out of loop.
11379 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11381 * final.c (shorten_branches): Remove outdated comment, and turn
11382 the if branch that guards it to continue.
11384 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11386 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11387 * cfgloop.h (struct loop): Remove unused fields.
11389 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11391 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11392 (-dL, -fdump-rtl-loop2): Update the dump file names
11394 * doc/invoke.texi: Update dump file names.
11396 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11398 * predict.c (estimate_probability): Remove.
11399 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11400 * basic-block.h (estimate_probability): Remove prototype.
11401 * passes.c (finish_optimization_passes): Dump branch prediction or
11402 profiling heuristics to the .profile tree dump.
11403 (init_optimization_passes): Unqueue pass_branch_prob.
11405 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11407 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11409 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11410 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11412 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11414 * function.h (frame_offset_overflow): Declare.
11415 * function.c (frame_offset_overflow): New function.
11416 (assign_stack_local_1): Call it to detect that the offset overflows.
11417 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11419 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11421 * config/sh/sh.c: Include alloc-pool.h.
11422 (label_ref_list_pool): New alloc pool.
11423 (label_ref_list_t): New type for lists of labels.
11424 (struct pool_node): Make wend a label_ref_list_t.
11425 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11427 (dump_table): Likewise.
11428 (sh_reorg): Set up the alloc pool before using add_constant and
11429 dump_table, and destroy it when finishing.
11431 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11433 * config/mips/mips.c: Remove redundant comment.
11435 2006-03-10 Jason Merrill <jason@redhat.com>
11438 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11439 the target was declared 'register'.
11441 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11443 * genpreds.c (write_insn_constraint_len): Change definition of
11444 insn_constraint_len to return size_t to match the declaration.
11446 2006-03-10 DJ Delorie <dj@redhat.com>
11448 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11450 (m32c_expand_insv): Fix test for an AND mask.
11452 2006-03-10 Richard Guenther <rguenther@suse.de>
11454 PR middle-end/26565
11455 * builtins.c (get_pointer_alignment): Handle component
11456 references for field alignment.
11458 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11460 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11461 when building with libgloss.
11462 (sh*elf): Implement --without-fp option.
11463 (sh64-superh-linux*): Don't multilib.
11465 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11467 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11469 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11471 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11472 Set it when one of the replacement functions returned true.
11473 Return TODO_cleanup_cfg if cfgchanged is true.
11474 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11476 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11478 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11479 instead of gen_lowpart.
11481 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11483 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11485 (mips_output_order_conditional_branch): Declare.
11486 * config/mips/mips.h (MIPS_BRANCH): New macro.
11487 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11488 for the comparison. Use gen_condjump.
11489 (mips_output_conditional_branch): Rework interface to take the
11490 asm templates for a direct branch and the inverse of a direct branch.
11491 (mips_output_order_conditional_branch): New function.
11492 (mips_builtin_branch_and_move): New function.
11493 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11494 branch condition. Use gen_single_cc as the condition for
11495 __builtin_mips_upper_* or __builtin_mips_lower_*.
11496 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11497 Use VOIDmode for the branch condition.
11498 * config/mips/predicates.md (order_operator): New predicate.
11499 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11500 (branch_fp): Rename to...
11501 (*branch_fp): ...this. Remove mode from comparison operator.
11502 Use new mips_output_conditional_branch interface.
11503 (branch_fp_inverted): Rename to...
11504 (*branch_fp_inverted): ...this and update as for *branch_fp.
11505 (*branch_zero<mode>): Rename to...
11506 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11507 Use mips_output_order_conditional_branch. Only accept ordered
11509 (*branch_zero<mode>_inverted): Rename to...
11510 (*branch_order<mode>_inverted): ...this and update as for
11511 *branch_order<mode>.
11512 (*branch_equality<mode>): Accept zero as the second operand to
11513 the equality operator. Use the new mips_output_conditional_branch
11515 (*branch_equality<mode>_inverted): Likewise.
11516 (condjump): New expander.
11517 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11519 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11520 (bc1any2t, bc1any2f): Likewise.
11521 (single_cc): New expander.
11522 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11524 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11526 * doc/md.texi: Update documentation of MIPS constraints.
11527 * config/mips/constraints.md: New file.
11528 * config/mips/mips.md: Include it.
11529 * config/mips/mips.c (mips_char_to_class): Delete.
11530 (override_options): Don't initialize mips_char_to_class.
11531 * config/mips/mips.h (mips_char_to_class): Delete.
11532 (REG_CLASS_FROM_LETTER): Delete.
11533 (CONST_OK_FOR_LETTER_P): Delete.
11534 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11535 (EXTRA_CONSTRAINT_Y): Delete.
11536 (EXTRA_CONSTRAINT_STR): Delete.
11537 (CONSTRAINT_LEN): Delete.
11538 (EXTRA_MEMORY_CONSTRAINT): Delete.
11540 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11542 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11543 original fn's eh regions.
11545 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11547 * fold-const.c (build_range_check): Make sure to use a valid type to
11548 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11551 (range_predecessor): New static function.
11552 (range_successor): Likewise.
11553 (merge_ranges): Use them to compute predecessors and successors of
11556 2006-03-09 Roger Sayle <roger@eyesopen.com>
11558 PR middle-end/26561
11559 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11560 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11562 2006-03-08 DJ Delorie <dj@redhat.com>
11564 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11565 (addpsi3): Expand to include memory operands. Remove
11566 reload-specific splits.
11567 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11568 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11569 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11570 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11571 (shift1_qi, shift1_hi, insv): New.
11572 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11573 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11574 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11576 * config/m32c/m32c-protos.h: Update as needed.
11577 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11578 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11579 Fail for unrecognized R* constraints.
11580 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11581 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11582 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11584 (m32c_init_libfuncs): New.
11585 (m32c_legitimate_address_p): Add debug wrapper.
11586 (m32c_rtx_costs): New.
11587 (m32c_address_cost): New.
11588 (conversions): Add 'B' prefix.
11589 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11590 operands, or word regnames for QI operands. 'B' prints bit
11592 (m32c_expand_setmemhi): New.
11593 (m32c_expand_movmemhi): New.
11594 (m32c_expand_movstr): New.
11595 (m32c_expand_cmpstr): New.
11596 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11597 (m32c_expand_neg_mulpsi3): Handle non-ints.
11598 (m32c_cmp_flg_0): New.
11599 (m32c_expand_movcc): New.
11600 (m32c_expand_insv): New.
11601 (m32c_scc_pattern): New.
11602 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11603 a0/a1 out of SIregs.
11604 (STORE_FLAG_VALUE): New.
11605 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11608 * config/m32c/mov.md: Make constraints more liberal.
11609 (zero_extendqihi2): Optimize r0/r1 case.
11610 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11611 * config/m32c/predicates.md (m32c_any_operand): New.
11612 (m32c_nonimmediate_operand): New.
11613 (m32c_hl_operand): New.
11614 (m32c_r3_operand): New.
11617 (memsym_operand): New.
11618 (memimmed_operand): New.
11619 (a_qi_operand): New.
11620 (m32c_eqne_operator): New.
11621 (m32c_1bit8_operand): New.
11622 (m32c_1bit16_operand): New.
11623 (m32c_1mask8_operand): New.
11624 (m32c_1mask16_operand): New.
11625 * config/m32c/blkmov.md: New file.
11626 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11628 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11630 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11631 unsigned to fix signed/unsigned comparison issue in
11632 DWARF2_FRAME_REG_OUT.
11633 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11634 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11636 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11637 of ptr into the ENABLE_CHECKING section.
11639 2006-03-08 Jeff Law <law@redhat.com>
11641 * tree-vrp.c (infer_value_range): Only count pointer uses
11642 and dereferences if -fdelete-null-pointer-checks is enabled.
11644 * tree-vrp.c (find_assert_locations): Infer value ranges for
11645 single use pointers, but do not create ASSERT_EXPRs for them.
11646 When a non-null range is inferred for a pointer, backwards
11647 propagate that range to other equivalent pointers through the
11650 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11653 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11654 language hook targets.
11655 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11656 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11657 if language hook targets were missing.
11659 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11661 * tree-ssa-opfinalize.h: Removed.
11662 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11664 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11665 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11666 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11667 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11668 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11669 finalize_ssa_v_must_def_ops): New.
11671 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11673 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11674 block as parameter.
11676 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11678 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11680 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11681 addresses with offsets; reorganize.
11683 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11684 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11685 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11687 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11690 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11692 2006-03-08 Ben Elliston <bje@au.ibm.com>
11694 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11696 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11699 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11702 2006-03-07 Richard Guenther <rguenther@suse.de>
11704 PR tree-optimization/26587
11705 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11707 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11709 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11711 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11713 * hooks.c (hook_bool_mode_rtx_true): New function.
11714 * hooks.h (hook_bool_mode_rtx_true): Declare.
11715 * toplev.c (compile_file): Call output_shared_constant_pool.
11716 * varasm.c (shared_constant_pool): New variable.
11717 (assemble_start_function, assemble_end_function): Remove arguments
11718 from call to output_constant_pool.
11719 (create_constant_pool): New function, split out from...
11720 (init_varasm_status): ...here.
11721 (force_const_mem): Choose between the shared and per-function constant
11722 pools. Set current_function_uses_const_pool when reusing old entries
11723 as well as when creating new ones.
11724 (mark_constant): Ignore data argument.
11725 (mark_constants): Remove pool argument.
11726 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11727 to decide whether the function uses a constant pool.
11728 (output_constant_pool_contents): New function, split out from...
11729 (output_constant_pool): ...here.
11730 (output_shared_constant_pool): New function.
11731 (init_varasm_once): Initialize shared_constant_pool.
11732 * output.h (output_constant_pool): Delete.
11733 (output_shared_constant_pool): Declare.
11734 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11735 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11737 2006-03-06 Nick Clifton <nickc@redhat.com>
11739 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11740 flag_strength_reduce.
11742 2006-03-06 Ben Elliston <bje@au.ibm.com>
11744 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11745 x86_64-*-linux* configurations.
11747 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11748 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11750 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11752 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11754 * basic-block.h: Remove the extern for
11755 rediscover_loops_after_threading.
11757 * cfgloop.c (cancel_loop): Make it static.
11758 * cfgloop.h: Remove the prototype for cancel_loop.
11760 * flow.c (recompute_reg_usage): Make it static.
11761 * rtl.h: Remove the prototype for recompute_reg_usage.
11763 * function.c (use_return_register): Make it static.
11764 * function.h: Remove the prototype.
11766 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11768 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11770 * recog.h: Remove the prototype for
11771 validate_change_maybe_volatile.
11773 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11775 * rtlanal.c (replace_reg): Remove.
11776 * rtl.h: Remove the prototype for replace_reg.
11778 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11780 * regclass.c (reg_scan_update): Remove.
11781 (reg_scan_mark_refs): Remove the last argument.
11782 * rtl.h: Remove the prototype for reg_scan_update.
11784 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11786 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11787 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11788 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11789 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11790 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11791 loop-invariant.c, omp-low.c, opts.c, passes.c,
11792 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11793 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11794 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11795 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11796 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11797 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11801 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11802 * dwarf2out.h: Remove the prototype for
11803 dwarf2out_add_library_unit_info.
11805 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11807 * tree.c (add_var_to_bind_expr): Remove.
11808 * tree.h: Remove the prototype for add_var_to_bind_expr.
11810 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11812 * regclass.c (n_non_fixed_regs): Remove.
11813 (init_reg_sets_1, globalize_reg): Remove all uses of
11815 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11817 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11819 * rtlanal.c (insns_safe_to_move_p): Remove.
11820 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11822 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11824 * expmed.c (expand_mult_add): Remove.
11825 * expr.h: Remove the prototype for expand_mult_add.
11827 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11829 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11830 and REG_SAVED_VAL_EXP constants.
11831 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11832 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11833 Handle regs stored by value.
11834 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11835 (execute_cfa_program): Handle DW_CFA_val_offset,
11836 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11837 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11838 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11839 (uw_install_context_1): Handle target regs stored by value.
11841 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11843 * tree-sra.c (tree_sra): Return todoflags;
11844 (generate_one_element): Set TODO_update_smt_usage if needed.
11845 (pass_sra): Remove TODO_update_smt_usage.
11846 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11848 (tree_ssa_forward_propagate_single_use_vars): Return
11849 TODO_update_smt_usage if we need to update SMT usage.
11850 (pass_forwprop): Remove TODO_update_smt_usage.
11852 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11854 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11855 (correct_use_link): Remove reference to get_stmt_operands.
11856 (update_stmt_operands): Likewise.
11857 (get_modify_expr_operands): New function factored out of
11858 parse_ssa_operands and get_expr_operands.
11859 Try to create V_MUST_DEFs for LHS by default.
11860 (get_expr_operands) <case MODIFY_EXPR>: Call
11861 get_modify_expr_operands.
11862 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11863 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11864 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11865 get_modify_expr_operands.
11867 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11869 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11870 * tree-flow.h: Remove the prototype for
11871 referenced_var_lookup_if_exists.
11873 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11875 PR rtl-optimization/26345
11877 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11879 2006-03-03 Roger Sayle <roger@eyesopen.com>
11881 PR tree-optimization/26524
11882 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11883 fold_convert to create a constant of the appropriate type.
11885 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11887 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11888 SYMBOL_REF_IN_BLOCK_P.
11889 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11890 of SYMBOL_FLAG_IN_BLOCK.
11891 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11892 instead of SYMBOL_REF_IN_BLOCK_P.
11893 * explow.c (use_anchored_address): Likewise.
11894 * rtl.c (rtx_size): Likewise.
11895 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11896 instead of SYMBOL_FLAG_IN_BLOCK.
11897 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11898 SYMBOL_REF_IN_BLOCK_P.
11899 (assemble_variable): Likewise.
11900 (output_constant_def_contents): Likewise.
11901 (output_constant_pool): Likewise.
11902 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11903 instead of SYMBOL_FLAG_IN_BLOCK.
11904 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11905 SYMBOL_REF_IN_BLOCK_P.
11906 (SYMBOL_REF_BLOCK): Likewise.
11907 (SYMBOL_REF_OFFSET): Likewise.
11908 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11909 SYMBOL_REF_IN_BLOCK_P.
11910 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11911 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11912 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11913 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11915 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11917 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11919 2006-03-02 Roger Sayle <roger@eyesopen.com>
11921 * simplify-rtx.c (simplify_unary_operation): When simplifying
11922 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11923 that we perform the right shift in the appropriate mode, and
11924 then extend or truncate the result to requested mode.
11926 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11928 * gengtype.c (main): Handle double_int type.
11929 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11930 * double-int.c: New file.
11931 * double-int.h: New file.
11932 * system.h: Include doubleint.h.
11933 * Makefile.in (SYSTEM_H): Include double-int.h.
11934 (double-int.o): Add.
11936 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11939 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11942 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11944 * tree-vrp.c (remove_range_assertions): Do not update statements
11947 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11949 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11951 * gcse.c (rest_of_handle_gcse): Ditto.
11952 * except.c (gate_handle_eh): Ditto.
11953 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11954 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11956 2006-03-02 Eric Christopher <echristo@apple.com>
11958 * config/i386/i386.c (machopic_output_stub): Add indirection to
11961 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11965 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11967 Sun Niagara specific optimizations.
11968 * config.gcc: Recognize niagara as target.
11969 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11970 (TARGET_CPU_niagara): Define.
11971 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11972 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11973 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11974 (ASM_CPU_SPEC): Likewise.
11975 (PROCESSOR_NIAGARA): New enum entry.
11976 (REGISTER_MOVE_COST): Handle Niagara.
11977 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11978 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11979 (sparc_override_options): Recognize "niagara", set appropriate
11980 default MASK_* values for it, and align functions to 32-bytes
11981 by default just like ULTRASPARC/ULTRASPARC3.
11982 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11983 (sparc64_initialize_trampoline): Likewise.
11984 (sparc_use_sched_lookahead): Use zero for niagara.
11985 (sparc_issue_rate): Use one for niagara.
11986 * config/sparc/niagara.md: New file.
11987 * config/sparc/sparc.md: Include it.
11988 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11989 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11990 when default cpu is niagara.
11991 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11992 (ASM_CPU_SPEC): Likewise.
11993 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11994 when default cpu is niagara.
11995 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11996 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11997 just like v9/ultrasparc/ultrasparc3.
11998 * doc/invoke.texi: Add documentation for "niagara" and improve
11999 existing documentation for ultrasparc variants.
12001 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12003 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12005 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12007 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12008 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12009 and say that only one is needed.
12010 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12011 * target.h (have_switchable_bss_sections): New hook.
12012 * explow.c (use_anchored_address): Check that the symbol is in a block.
12013 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12014 (bss_noswitch_section): New variables.
12015 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12016 (get_noswitch_section): New function.
12017 (get_block_for_section): Allow SECT to be null.
12018 (unlikely_text_section_p): Use SECTION_STYLE.
12019 (bss_initializer_p): New function.
12020 (get_variable_section): Move earlier in file. Take a new argument,
12021 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12022 Return one of the new *_sections in such cases.
12023 (get_block_for_decl): New function, extracting some logic from
12024 use_blocks_for_decl_p.
12025 (change_symbol_section): Remove in favor of...
12026 (change_symbol_block): ...this new function.
12027 (use_blocks_for_decl_p): Remove checks now performed by
12028 get_block_for_decl.
12029 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12030 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12031 (emit_local, emit_bss, emit_common): ...these new functions.
12032 Return true if the alignment was honored.
12033 (emit_tls_common): New function.
12034 (asm_emit_uninitialised): Delete.
12035 (assemble_variable_noswitch): New function, split out from...
12036 (assemble_variable): ...here. Don't make decisions about common
12037 variables here. Globalize all public decls that go into non-common
12038 sections. Check whether SYMBOL_REF_BLOCK is null.
12039 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12040 (output_constant_pool): Likewise.
12041 (init_varasm_once): Initialize the new section variables.
12042 (have_global_bss_p): New function.
12043 (categorize_decl_for_section): Use bss_initializer_p.
12044 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12045 (place_block_symbol): Assert that the symbol must be in a block.
12046 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12047 (TARGET_INITIALIZER): Include it.
12048 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12049 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12050 (SECTION_MACH_DEP): Bump by two.
12051 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12052 (unnamed_section): Mention SECTION_UNNAMED in comment.
12053 (named_section): Likewise SECTION_NAMED.
12054 (noswitch_section_callback): New type.
12055 (noswitch_section): New structure.
12056 (section): Add a noswitch_section alternative.
12057 (SECTION_STYLE): New macro.
12058 (tls_comm_section, comm_section, lcomm_section): Declare.
12059 (bss_noswitch_section, have_global_bss_p): Declare.
12060 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12061 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12063 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12064 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12067 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12069 * tree-vrp.c (execute_vrp): Return value.
12070 * regrename.c (rest_of_handle_regrename): Ditto.
12071 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12072 * tree-complex.c (tree_lower_complex): Ditto.
12073 (tree_lower_complex_O0): Ditto.
12074 * tracer.c (rest_of_handle_tracer): Ditto.
12075 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12076 * postreload.c (rest_of_handle_postreload): Ditto.
12077 * tree-tailcall.c (execute_tail_recursion): Ditto.
12078 (execute_tail_calls): Ditto.
12079 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12080 * tree.h (init_function_for_compilation): Ditto.
12081 * ipa-cp.c (ipcp_driver): Ditto.
12082 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12083 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12084 * final.c (compute_alignments): Ditto.
12085 (rest_of_handle_final): Ditto.
12086 (rest_of_handle_shorten_branches): Ditto.
12087 (rest_of_clean_state): Ditto.
12088 * omp-low.c (execute_expand_omp): Ditto.
12089 (execute_lower_omp): Ditto.
12090 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12091 * ipa-reference.c (static_execute): Ditto.
12092 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12093 * reorg.c (rest_of_handle_delay_slots): Ditto.
12094 (rest_of_handle_machine_reorg): Ditto.
12095 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12096 * flow.c (recompute_reg_usage): Ditto.
12097 (rest_of_handle_remove_death_notes): Ditto.
12098 (rest_of_handle_life): Ditto.
12099 (rest_of_handle_flow2): Ditto.
12100 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12101 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12102 (do_ssa_store_ccp): Ditto.
12103 (execute_fold_all_builtins): Ditto.
12104 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12105 * modulo-sched.c (rest_of_handle_sms): Ditto.
12106 * ipa-pure-const.c (static_execute): Ditto.
12107 * cse.c (rest_of_handle_cse): Ditto.
12108 (rest_of_handle_cse2): Ditto.
12109 * web.c (rest_of_handle_web): Ditto.
12110 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12111 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12112 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12113 * tree-nrv.c (tree_nrv): Ditto.
12114 (execute_return_slot_opt): Ditto.
12115 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12116 (create_structure_vars): Ditto.
12117 * loop-init.c (rtl_loop_init): Ditto.
12118 (rtl_loop_done): Ditto.
12119 (rtl_move_loop_invariants): Ditto.
12120 (rtl_unswitch): Ditto.
12121 (rtl_unroll_and_peel_loops): Ditto.
12122 (rtl_doloop): Ditto.
12123 * gimple-low.c (lower_function_body): Ditto.
12124 (mark_used_blocks): Ditto.
12125 * tree-ssa-sink.c (execute_sink_code): Ditto.
12126 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12127 (cgraph_early_inlining): Ditto.
12128 * global.c (rest_of_handle_global_alloc): Ditto.
12129 * jump.c (cleanup_barriers): Ditto.
12130 (purge_line_number_notes): Ditto.
12131 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12132 (rest_of_handle_if_after_reload): Ditto.
12133 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12134 (tree_ssa_loop_im): Ditto.
12135 (tree_ssa_loop_unswitch): Ditto.
12136 (tree_vectorize): Ditto.
12137 (tree_linear_transform): Ditto.
12138 (tree_ssa_loop_ivcanon): Ditto.
12139 (tree_ssa_empty_loop): Ditto.
12140 (tree_ssa_loop_bounds): Ditto.
12141 (tree_complete_unroll): Ditto.
12142 (tree_ssa_loop_prefetch): Ditto.
12143 (tree_ssa_loop_ivopts): Ditto.
12144 (tree_ssa_loop_done): Ditto.
12145 * predict.c (tree_estimate_probability): Ditto.
12146 * recog.c (split_all_insns_noflow): Ditto.
12147 (rest_of_handle_peephole2): Ditto.
12148 (rest_of_handle_split_all_insns): Ditto.
12149 * tree-eh.c (lower_eh_constructs): Ditto.
12150 * regmove.c (rest_of_handle_regmove): Ditto.
12151 (rest_of_handle_stack_adjustments): Ditto.
12152 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12153 * function.c (instantiate_virtual_regs): Ditto.
12154 (init_function_for_compilation): Ditto.
12155 (rest_of_handle_check_leaf_regs): Ditto.
12156 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12157 (rest_of_handle_gcse): Ditto.
12158 * ipa-type-escape.c (type_escape_execute): Ditto.
12159 * alias.c (rest_of_handle_cfg): Ditto.
12160 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12161 * profile.c (rest_of_handle_branch_prob): Ditto.
12162 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12163 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12164 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12165 * tree-dfa.c (find_referenced_vars): Ditto.
12166 * except.c (set_nothrow_function_flags): Ditto.
12167 (convert_to_eh_region_ranges): Ditto.
12168 (rest_of_handle_eh): Ditto.
12169 * emit-rtl.c (unshare_all_rtl): Ditto.
12170 (remove_unnecessary_notes): Ditto.
12171 * except.h (set_nothrow_function_flags): Ditto.
12172 (convert_to_eh_region_ranges): Ditto.
12173 * cfgexpand.c (tree_expand_cfg): Ditto.
12174 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12175 * tree-ssa-pre.c (do_pre): Ditto.
12176 (execute_fre): Ditto.
12177 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12178 (rest_of_handle_jump2): Ditto.
12179 * tree-sra.c (tree_sra): Ditto.
12180 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12181 (execute_mudflap_function_decls): Ditto.
12182 * tree-ssa-copy.c (do_copy_prop): Ditto.
12183 (do_store_copy_prop): Ditto.
12184 * ipa-prop.h (ipcp_driver): Ditto.
12185 * cfglayout.c (insn_locators_initialize): Ditto.
12186 * tree-ssa-forwprop.c
12187 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12188 * cfglayout.h (insn_locators_initialize): Ditto.
12189 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12190 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12191 (execute_late_warn_uninitialized): Ditto.
12192 * rtl.h (cleanup_barriers): Ditto.
12193 (split_all_insns_noflow): Ditto.
12194 (purge_line_number_notes): Ditto.
12195 (unshare_all_rtl): Ditto.
12196 (remove_unnecessary_notes): Ditto.
12197 (recompute_reg_usage): Ditto.
12198 (variable_tracking_main): Ditto.
12199 * integrate.c (emit_initial_value_sets): Ditto.
12200 * integrate.h (emit_initial_value_sets): Ditto.
12201 * tree-optimize.c (execute_free_datastructures): Ditto
12202 (execute_free_cfg_annotations): Ditto.
12203 (execute_fixup_cfg): Ditto.
12204 (execute_cleanup_cfg_pre_ipa): Ditto.
12205 (execute_cleanup_cfg_post_optimizing): Ditto.
12206 (execute_init_datastructures): Ditto.
12207 * tree-object-size.c (compute_object_sizes): Ditto.
12208 * combine.c (rest_of_handle_combine): Ditto.
12209 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12210 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12211 (rest_of_handle_reorder_blocks): Ditto.
12212 (rest_of_handle_partition_blocks): Ditto.
12213 * var-tracking.c (variable_tracking_main): Ditto.
12214 * tree-profile.c (tree_profiling): Ditto.
12215 * tree-vect-generic.c (expand_vector_operations): Ditto.
12216 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12217 * sched-rgn.c (rest_of_handle_sched): Ditto.
12218 (rest_of_handle_sched2): Ditto.
12219 * basic-block.h (free_bb_insn): Ditto.
12220 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12221 * tree-cfg.c (execute_build_cfg): Ditto.
12222 (remove_useless_stmts): Ditto.
12223 (split_critical_edges): Ditto.
12224 (execute_warn_function_return): Ditto.
12225 (execute_warn_function_noreturn): Ditto.
12226 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12227 * cfgrtl.c (free_bb_for_insn): Ditto.
12228 * passes.c (execute_one_pass): Run additional
12229 todos returned by execute function.
12230 * tree-pass.h (struct tree_opt_pass): Make execute
12233 2006-03-02 Richard Guenther <rguenther@suse.de>
12235 * tree-ssa-alias.c (find_used_portions): Consider taking
12236 the address as making the variable not write-only.
12238 2006-03-02 Nick Clifton <nickc@redhat.com>
12240 * config.gcc (default_use_cxa_atexit): Extend the description of
12241 this configure variable. Set its default value to "yes" for
12242 Linux, NetBSD and ELF targets on the assumption that they will
12243 use C libraries with the __cxa_atexit function.
12245 2006-03-02 Ben Elliston <bje@au.ibm.com>
12247 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12248 parameter as unused to suppress a build warning.
12250 2006-03-02 Ben Elliston <bje@au.ibm.com>
12252 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12255 2006-03-01 Roger Sayle <roger@eyesopen.com>
12258 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12259 declared name, the weak reference name, and the typeof name.
12260 (__gthrw): Avoid expanding the declared name suffix.
12261 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12263 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12265 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12267 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12268 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12269 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12270 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12271 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12272 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12273 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12274 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12275 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12276 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12277 (DW_END_default, DW_END_big, DW_END_little): New.
12278 (DW_END_lo_user, DW_END_hi_user): Define.
12279 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12280 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12281 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12284 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12286 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12288 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12290 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12292 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12294 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12295 to 'symbol_mem_tag'.
12297 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12300 2006-03-01 Roger Sayle <roger@eyesopen.com>
12302 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12304 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12307 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12308 MACHO_DYNAMIC_NO_PIC_P.
12309 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12311 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12314 * config/darwin-protos.h (darwin_asm_output_anchor):
12316 * config/darwin-sections.def (cstring_section):
12317 Add SECTION_MERGE to the flags.
12318 (literal4_section): Likewise.
12319 (literal8_section): Likewise.
12320 (objc_selector_refs_section): Likewise.
12321 (objc_cls_refs_section): Likewise.
12322 * config/darwin.c (darwin_asm_output_anchor): New
12324 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12326 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12328 Fix PR tree-optimization/26443
12329 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12330 to todo and PROP_tmt_usage to properties_destroyed.
12331 * tree-ssa-ccp.c (pass_ccp): Ditto.
12332 (pass_store_ccp): Ditto.
12333 * tree-ssa-dom.c (pass_dominator): Ditto.
12335 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12337 * tree-ssa-operands.c: Cleanup whitespace.
12338 (get_asm_expr_operands): Move before first invocation.
12339 (get_indirect_ref_operands): Likewise.
12340 (get_tmr_operands): Likewise.
12341 (get_call_expr_operands): Likewise.
12342 (append_def): Likewise.
12343 (append_use): Likewise.
12344 (append_v_may_def): Likewise.
12345 (append_v_must_def): Likewise.
12346 (add_call_clobber_ops): Likewise.
12347 (add_call_read_ops): Likewise.
12348 (add_stmt_operand): Likewise.
12349 (add_virtual_operand): Likewise.
12350 (build_ssa_operands): Likewise.
12352 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12354 PR middle-end/26022
12356 PR middle-end/24437
12357 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12358 with a call expr to ...
12359 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12361 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12363 * tree-vrp.c (extract_range_from_assert): Remove special
12364 handling for types with super-types.
12366 2006-03-01 Ben Elliston <bje@au.ibm.com>
12368 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12369 and powerpc64-*-linux* configurations.
12370 * config/t-dfprules: New file.
12372 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12373 Compile dfp-bit.c from the source directory using -DWIDTH and
12374 $DFP_CFLAGS to control the compilation of that file, rather than
12375 generating width-specific versions in the build directory.
12376 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12377 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12379 2006-02-28 Zack Weinberg <zackw@panix.com>
12381 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12384 2006-02-28 Eric Christopher <echristo@apple.com>
12386 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12387 Set up IN_LIBGCC definition of TARGET_64BIT.
12388 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12390 2006-02-28 Roger Sayle <roger@eyesopen.com>
12392 PR middle-end/14752
12393 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12394 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12395 cases via the construction of "expr != 0".
12397 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12399 * alias.c (alias_invariant, alias_invariant_size): Remove.
12400 (record_base_value): Remove.
12401 (memrefs_conflict_p): Don't look at alias_invariant.
12402 (end_alias_analysis): Don't free it.
12403 * alias.h (record_base_value): Remove prototype.
12405 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12406 Adam Nemet <anemet@caviumnetworks.com>
12408 * rtl.h (truncated_to_mode): Declare it.
12409 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12410 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12411 (RTL_HOOKS_INITIALIZER): Include it.
12412 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12413 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12414 reg_truncated_to_mode.
12415 * rtlanal.c (truncated_to_mode): Define it.
12416 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12418 2006-02-28 Jeff Law <law@redhat.com>
12420 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12421 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12422 the range allowed by TYPE_PRECISION.
12424 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12426 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12428 PR tree-optimization/26419
12429 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12432 2006-02-27 Zack Weinberg <zackw@panix.com>
12434 * doc/md.texi: Fix typo in previous change.
12436 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12440 2006-02-27 Zack Weinberg <zackw@panix.com>
12442 * rtl.def (define_constraint, define_register_constraint)
12443 (define_memory_constraint, define_address_constraint): New MD forms.
12444 * gensupport.c (process_rtx): Put define_constraint etc on the
12446 * genpreds.c (process_define_predicate): Adjust comment. Validate
12447 the name, and call validate_exp to validate the expression.
12448 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12449 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12450 all callers changed.
12451 (validate_exp, needs_variable, struct constraint_data)
12452 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12453 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12454 (const_dbl_constraints, constraint_max_namelen)
12455 (have_register_constraints, have_memory_constraints)
12456 (have_address_constraints, have_address_constraints)
12457 (have_extra_constraints, have_const_int_constraints)
12458 (have_const_dbl_constraints, mangle, add_constraint)
12459 (process_define_constraint, process_define_register_constraint)
12460 (write_enum_constraint_num, write_lookup_constraint)
12461 (write_insn_constraint_len, write_regclass_for_constraint)
12462 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12463 (write_insn_extra_memory_constraint)
12464 (write_insn_extra_address_constraint)
12465 (write_satisfies_constraint_fns): New.
12466 (write_tm_preds_h): If we have new-style constraint definitions,
12467 prototype the functions generated from them, and define the
12468 old constraint interface (still used by generic code) in terms of
12470 (write_insn_preds_c): If we have new-style constraint definitions,
12471 generate all relevant functions from those definitions.
12472 (main): Handle define_constraint etc.
12473 * genoutput.c (struct constraint_data, indep_constraints)
12474 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12475 (mdep_constraint_len): New data structures and functions, defined
12476 #ifdef USE_MD_CONSTRAINTS.
12477 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12478 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12479 use new logic to validate operand constraints against constraint
12481 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12483 * defaults.h: If none of the old-style constraint macros are
12484 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12485 old-style macros; and poison REG_CLASS_FROM_LETTER,
12486 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12488 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12489 * doc/md.texi: Document new constraint-definition mechanism and the
12490 C interface it provides. Remove references to old mechanism
12491 elsewhere in the document.
12492 (Machine Constraints): Use pathnames relative to gcc directory,
12493 i.e. config/ARCH/FILE. Change i386 section to refer to
12494 config/i386/predicates.md; update that section to match docstrings.
12495 * doc/tm.texi: Move all documentation of the old constraint-
12496 definition macros to their own section, clearly mark as obsolete.
12498 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12499 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12501 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12502 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12503 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12504 constraint strings.
12505 (splits and peepholes): Use satisfies_constraint_*.
12506 * config/i386/i386.c (memory_address_length)
12507 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12509 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12511 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12512 scalar operation to be put back into the loop.
12514 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12517 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12518 (extract_cie_info): Handle S flag in augmentation string.
12519 (execute_cfa_program): If context->signal_frame, execute also
12520 fs->pc == context->ra instructions.
12521 (uw_frame_state_for): If context->signal_frame, don't subtract one
12522 from context->ra to find FDE.
12523 (uw_update_context_1): Set context->signal_frame to
12525 (_Unwind_GetIPInfo): New function.
12526 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12527 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12529 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12530 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12531 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12532 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12533 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12534 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12535 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12536 x86_64_fallback_frame_state): Set fs->signal_frame.
12537 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12538 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12539 (frob_update_context): Likewise. Workaround missing S flag in
12540 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12541 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12542 Remove the psw_addr + 1 hack.
12544 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12546 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12547 with aggregates here.
12548 (find_func_aliases): Remove code for &<aggregate> from here.
12550 2006-02-26 Roger Sayle <roger@eyesopen.com>
12552 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12553 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12554 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12555 as (X & C) ne/eq 0.
12557 2006-02-26 Roger Sayle <roger@eyesopen.com>
12559 PR middle-end/19983
12560 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12562 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12564 * opts.c (decode_options): Do not handle flag_strength_reduce.
12565 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12566 and OPT_fstrength_reduce.
12567 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12568 flag_prefetch_loop_arrays for being nonzero.
12569 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12571 (fprefetch-loop-arrays-rtl): Removed.
12572 (flag_prefetch_loop_arrays): Do not specify the value.
12574 * doc/passes.texi: Update documentation of loop optimizer
12576 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12577 -frerun-loop-opt): Remove.
12579 2006-02-26 Richard Guenther <rguenther@suse.de>
12581 PR tree-optimization/26421
12582 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12583 in function calls that are ADDR_EXPRs as using the whole structure.
12585 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12587 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12588 * tree-pass.h (pass_loop_optimize): Remove.
12589 * passes.c (pass_loop_optimize): Never run it.
12590 * toplev.c (backend_init): Don't call init_loop.
12591 * opts.c (flag_loop_optimize_set): Remove.
12592 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12593 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12594 the old RTL loop optimizer when profiling enabled.
12595 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12596 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12597 pre-headers for the sake of the old RTL loop optimizer.
12598 * Makefile.in: Remove all references to loop.o.
12600 * doc/invoke.texi: Remove all references to -floop-optimize
12601 and -frerun-loop-opt.
12603 2006-02-26 Zack Weinberg <zackw@panix.com>
12605 * doc/md.texi (Machine Constraints): Refer to all files with paths
12606 relative to gcc directory (i.e. config/CPU/file). Add missing
12607 @table @code ... @end table to M32C subsection.
12609 2006-02-26 Roger Sayle <roger@eyesopen.com>
12611 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12613 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12615 2006-02-26 Roger Sayle <roger@eyesopen.com>
12616 James A. Morrison <phython@gcc.gnu.org>
12618 PR middle-end/21137
12619 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12620 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12621 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12622 signedness of the shift operation.
12624 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12626 PR tree-optimization/26359
12627 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12629 2006-02-25 Roger Sayle <roger@eyesopen.com>
12631 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12632 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12633 as X == 0, and some symmetry related transformations.
12634 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12636 2006-02-25 Roger Sayle <roger@eyesopen.com>
12638 PR middle-end/23673
12639 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12640 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12641 symmetry related transformations. Fold (X^C1) == C2 as
12644 2006-02-25 Juergen Weigert <jw@suse.de>
12645 Richard Guenther <rguenther@suse.de>
12647 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12649 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12651 * combine.c (gen_lowpart_or_truncate): Call
12652 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12654 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12656 * doc/invoke.texi: Move -fopenmp description to "Options for
12658 Remove reference to -lgomp.
12660 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12662 * doc/install.texi: Require GNU tar version 1.14.
12664 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12666 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12667 * doc/invoke.texi (C++ Dialect Options): Document
12668 -fno-use-cxa-get-exception-ptr.
12669 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12670 * configure: Regenerate.
12671 * c.opt (fuse-cxa-get-exception-ptr): New.
12672 * c-opts.c (c_common_handle_option): Handle
12673 OPT_fuse_cxa_get_exception_ptr.
12674 * c-common.c (flag_use_cxa_atexit): Update documentation.
12675 (flag_use_cxa_get_exception_ptr): New.
12676 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12677 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12679 (C_COMMON_OVERRIDE_OPTIONS): New.
12681 2006-02-24 Roger Sayle <roger@eyesopen.com>
12683 PR middle-end/24952
12684 * combine.c (try_combine): Explicitly check whether GET_CODE is
12685 a SET or a CLOBBER, instead on checking that it isn't a USE.
12687 2006-02-24 Roger Sayle <roger@eyesopen.com>
12689 * fold-const.c (fold_comparison): New subroutine of fold_binary
12690 containing transformations common to both the equality and
12691 ordering relational operators, factored out of fold_binary.
12692 (fold_binary): Separate out the equality operators (EQ_EXPR
12693 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12694 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12695 transformations common to both.
12696 (fold_div_compare): Fix latent bugs in the previously unreachable
12697 LT_EXPR and GE_EXPR cases.
12699 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12701 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12702 decl libname for clog to __clog on AIX.
12704 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12706 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12709 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12710 output traceback table for thunks. Localise rs6000_stack_info call.
12712 2006-02-23 Roger Sayle <roger@eyesopen.com>
12713 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12715 * gthr-posix.h (__gthrw): Fix typo in comment.
12717 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12719 * doc/cpp.texi (Character sets): Document that we do support
12720 input files to be in any character set.
12722 2006-02-23 Jeff Law <law@redhat.com>
12724 * tree.h (PHI_ARG_NONZERO): Remove.
12725 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12726 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12727 node to the new node.
12729 PR tree-optimization/26425
12730 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12731 min/max, then assume its varying.
12733 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12735 PR rtl-optimization/26316
12736 * rtlanal.c (enum may_trap_p_flags): New.
12737 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12738 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12739 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12740 (may_trap_after_code_motion_p): New function.
12741 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12742 (find_invariant_insn): Use may_trap_after_code_motion_p.
12743 * rtl.h (may_trap_after_code_motion_p): Declare.
12745 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12747 * emit-rtl.c (immed_double_const): Cleanup.
12749 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12751 Fix PR tree-optimization/26376
12752 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12755 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12757 PR middle-end/26412
12758 * gimplify.c (omp_add_variable): Guard variable size decl test with
12759 DECL_SIZE (decl) check.
12761 2006-02-23 Richard Guenther <rguenther@suse.de>
12763 PR middle-end/26439
12764 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12765 like aggregate types.
12767 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12769 * configure.ac: Add --with{,out}-long-double-128 configure option.
12770 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12771 * configure: Rebuilt.
12772 * config.in: Rebuilt.
12773 * doc/install.texi (Options specification): Document
12774 --with-long-double-128.
12776 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12777 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12778 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12779 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12781 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12783 * config/s390/s390.c (override_options): Handle
12784 TARGET_DEFAULT_LONG_DOUBLE_128.
12786 * config/alpha/alpha.c (override_options): Handle
12787 TARGET_DEFAULT_LONG_DOUBLE_128.
12789 * config/sparc/sparc.c (sparc_override_options): Handle
12790 TARGET_DEFAULT_LONG_DOUBLE_128.
12792 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12794 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12795 (real-install-headers-tar, real-install-headers-cpio)
12796 (real-install-headers-cp): New targets.
12798 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12800 * tree.h (variable_section): Delete.
12801 * varasm.c (variable_section): Delete.
12803 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12805 * install.texi: Add notes on install.texi2html.
12806 (Building in parallel): Do not use footnotes.
12808 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12811 * doc/install.texi (Configuration): Document --disable-libgomp.
12813 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12815 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12817 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12819 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12820 (vec_extractv2df_0_sse): New.
12822 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12824 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12825 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12826 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12827 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12828 to the result of the expression.
12829 (def_cfa_1): Adjust.
12830 (frame_pointer_cfa_offset): Rename to...
12831 (frame_pointer_fb_offset): ... this. Adjust all uses.
12832 (convert_cfa_to_loc_list): Rename to...
12833 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12834 Pass it on to build_cfa_loc.
12835 (compute_frame_pointer_to_cfa_displacement): Rename to...
12836 (compute_frame_pointer_to_fb_displacement): ... this. New
12837 offset parameter. Use it in computation.
12838 (gen_subprogram_die): Compute cfa_fb_offset with the new
12839 macro, and use it to compute the fb loc list and the
12842 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12844 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12845 replaced with register_operand.
12846 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12847 non-DREG is expensive.
12848 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12849 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12852 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12854 * doc/install.texi2html: Use set -e.
12856 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12858 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12859 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12860 * doc/invoke.texi (-fshared-data): Delete.
12861 * common.opt (fshared-data): Delete.
12862 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12863 (assemble_static_space): Remove #if 0 code.
12864 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12865 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12866 * config/cris/cris.h: Remove FIXME.
12868 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12870 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12873 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12875 PR middle-end/26379
12876 * combine.c (simplify_shift_const_1): Disable nested shifts
12877 optimization for vector shifts.
12879 2006-02-20 Roger Sayle <roger@eyesopen.com>
12881 PR tree-optimization/26361
12882 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12883 of unsigned integer types.
12885 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12887 * tree-chrec.c (eq_evolutions_p): New.
12888 * tree-chrec.h (eq_evolutions_p): Declared.
12889 * tree-data-ref.c: Fix formatting.
12890 (datadep_stats, dependence_stats): New.
12892 (print_direction_vector): New.
12893 (dump_data_dependence_relation): Use print_direction_vector.
12894 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12895 (compute_subscript_distance): Static.
12896 (initialize_data_dependence_relation): Static. Get the number
12897 of loops surrounding the references from the callers, and initialize
12898 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12899 base_object_differ_p analyzers.
12900 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12901 compute_overlap_steps_for_affine_1_2,
12902 analyze_subscript_affine_affine): Count the classified dependences.
12903 Print a message when a test failed.
12904 (can_use_analyze_subscript_affine_affine): New.
12905 (analyze_siv_subscript): Compute the data dependences on symbolic
12906 scevs that verify can_use_analyze_subscript_affine_affine.
12907 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12908 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12909 Handle symbolic scevs.
12910 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12912 (subscript_dependence_tester): Moved...
12913 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12914 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12915 DDR_SIZE_VECT instead of getting it in parameter.
12916 (subscript_dependence_tester): ... here. Take as a parameter
12917 loop_nest_depth. Call build_classic_dist_vector and
12918 build_classic_dir_vector.
12919 (compute_affine_dependence): Update subscript_dependence_tester
12920 parameters. Update datadep_stats counters. Call
12921 compute_subscript_distance.
12922 (compute_self_dependence): Save the dist and dir vectors. Call
12923 compute_subscript_distance.
12924 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12925 (compute_all_dependences): Reorder parameters as they were before
12926 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12927 compute_subscript_distance. Update the use of
12928 compute_affine_dependence and initialize_data_dependence_relation.
12929 (find_data_references_in_loop): Handle COMPONENT_REF.
12930 (compute_data_dependences_for_loop): Initialize dependence_stats.
12931 Don't call build_classic_dist_vector and build_classic_dir_vector.
12932 Update the parameters of initialize_data_dependence_relation and
12933 compute_all_dependences. Print the statistics from datadep_stats.
12934 (analyze_all_data_dependences): Static. Not used until the pass for
12935 checking the data dependences is contributed.
12936 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12937 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12938 (initialize_data_dependence_relation, compute_affine_dependence,
12939 analyze_all_data_dependences, compute_subscript_distance): Removed.
12940 (print_direction_vector): New.
12941 * lambda.h (gcd): ... here.
12942 (lambda_vector_gcd): Moved here from gcd_vector.
12943 * lambda-code.c (gcd, gcd_vector): Removed.
12944 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12945 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12947 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12949 * ipa-type-escape.c: Tidy some comments and white space.
12950 * tree-ssa-operands.c: Likewise.
12952 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12955 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12956 (dump_decl_name): Do not walk the decl tree chains.
12957 * tree-pass.h (TDF_CHAIN): Remove.
12959 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12961 * Makefile.in (C): Remove
12963 (.PHONY): Remove C and PROTO
12965 2006-02-20 Roger Sayle <roger@eyesopen.com>
12967 PR middle-end/26236
12968 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12969 deprecated CHAR_TYPE tree code.
12971 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12973 * configure.ac (target_list): Add install-info, dvi, html.
12974 * configure: Regenerate.
12976 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12977 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12978 treelang/Make-lang.in: Do not use double-colon rules.
12980 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12982 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12983 (TMT_USED_ALONE): New macro.
12984 * tree-pass.h (PROP_tmt_usage): New property.
12985 (TODO_update_tmt_usage): New todo.
12986 * tree-ssa-alias.c (updating_used_alone): New variable.
12987 (recalculate_used_alone): New function.
12988 (compute_may_aliases): Set updating_used_alone, call
12989 recalculate_used_alone.
12990 * tree-sra.c (pass_sra): Note that this pass destroys
12991 PROP_tmt_usage, and add TODO_update_tmt_usage.
12992 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12993 * tree-flow.h (updating_used_alone): Prototype.
12994 (recalculate_used_alone): Ditto.
12995 * passes.c (execute_todo): Add code to set updating_used_alone,
12996 and call recalculate.
12997 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12998 for clobber if used alone, and add assert to verify used_alone
13001 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13003 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13004 for non tls symbols added.
13005 (legitimize_address): Do nothing for PLUS expressions if one of the
13006 addends is a tls symbol reference.
13008 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13012 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13014 * Makefile.in (BOOTSTRAPPING): New.
13015 (quickstrap): New definition if BOOTSTRAPPING=yes.
13017 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13018 * configure.ac: Substitute all_selected_languages with the languages
13019 that were configured. For all the other variables except
13020 lang_specs_files, include all the languages in the tree.
13021 * configure: Regenerate.
13023 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13024 if there is one. Run the commands to run fixincludes in the same
13027 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13028 * doc/install.texi: Document exact conventions for searching target tools.
13029 Document --with-build-time-tools. Document toplevel bootstrap. Document
13030 something more about building an Ada cross-compiler. Don't list GNU Make
13031 requirements which affect all platforms.
13033 2006-02-19 Roger Sayle <roger@eyesopen.com>
13035 PR middle-end/19543
13036 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13037 only equivalent if the have both the same mode and precision.
13039 2006-02-20 Ben Elliston <bje@au.ibm.com>
13041 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13043 2006-02-19 Roger Sayle <roger@eyesopen.com>
13044 Steven Bosscher <stevenb.gcc@gmail.com>
13046 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13047 constant pool references to identify stack mode constants.
13048 * rtlanal.c (constant_pool_constant_p): New predicate to check
13049 whether operand is a floating point constant in the pool.
13050 * rtl.h (constant_pool_constant_p): Prototype here.
13051 * loop.c (scan_loop): Avoid hoisting constants from the constant
13052 pool on STACK_REGS targets.
13053 (load_mems): Likewise.
13054 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13055 loads into x87 registers expensive in terms of register pressure.
13057 2006-02-19 Roger Sayle <roger@eyesopen.com>
13059 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13060 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13062 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13064 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13065 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13067 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13069 * doc/invoke.texi: Document -fipa-pta.
13070 * common.opt: Add ipa-pta option.
13071 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13072 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13073 (do_ds_constraint): Ditto.
13074 (get_constraint_for): Only add to referenced_vars if
13075 referenced_vars exists.
13076 (insert_into_field_list): Rewrite to do this unsorted.
13077 (insert_into_field_list_sorted): Rename old insert_into_field_list
13079 (create_function_info_for): Use insert_into_field_list_sorted.
13080 (create_variable_info_for): Rewrite so it uses unsorted version,
13081 since the field list is sorted.
13082 (intra_create_variable_infos): Only add to referenced_vars if
13083 referenced_vars exists.
13084 (ipa_pta_execute): Init heapvars, and delete when done.
13085 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13087 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13089 * doc/install.texi: Add missing `@samp'.
13091 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13093 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13096 2006-02-18 Mark Wielaard <mark@klomp.org>
13098 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13099 who added new 4.1 features, bug fixes and integration support.
13101 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13104 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13105 MEM for ABI_V4 pic.
13107 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13109 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13110 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13111 (copy_insn_1): Likewise. Don't copy each field individually.
13113 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13115 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13116 * rtl.c (rtx_size): Rename variable to...
13117 (rtx_code_size): ...this.
13118 (rtx_size): New function.
13119 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13120 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13122 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13123 * rtl.h (rtx_code_size): New variable.
13124 (rtx_size): Change from a variable to a function.
13125 (RTX_SIZE): Rename to...
13126 (RTX_CODE_SIZE): ...this.
13129 PR tree-optimization/17106
13130 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13131 (Anchored Addresses): New section.
13132 * doc/invoke.texi (-fsection-anchors): Document.
13133 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13134 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13135 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13136 * hooks.c (hook_bool_mode_rtx_false): New function.
13137 * hooks.h (hook_bool_mode_rtx_false): Declare.
13138 * gengtype.c (create_optional_field): New function.
13139 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13140 SYMBOL_REF_IN_BLOCK_P is true.
13141 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13142 (min_anchor_offset, max_anchor_offset): Likewise.
13143 (use_anchors_for_symbol_p): New hook.
13144 * toplev.c (compile_file): Call output_object_blocks.
13145 (target_supports_section_anchors_p): New function.
13146 (process_options): Check that -fsection-anchors is only used on
13147 targets that support it and when -funit-at-a-time is in effect.
13148 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13149 if the decl doesn't have one.
13150 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13151 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13152 of force_const_mem through use_anchored_address.
13153 (expand_expr_constant): New function.
13154 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13155 calling expand_expr for INDIRECT_REF.
13156 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13157 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13158 * expr.h (use_anchored_address): Declare.
13159 * loop-unroll.c: Don't declare rtx vectors here.
13160 * explow.c: Include output.h.
13161 (validize_mem): Call use_anchored_address.
13162 (use_anchored_address): New function.
13163 * common.opt (-fsection-anchors): New switch.
13164 * varasm.c (object_block_htab, anchor_labelno): New variables.
13165 (hash_section, object_block_entry_eq, object_block_entry_hash)
13166 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13167 (use_blocks_for_decl_p, change_symbol_section): New functions.
13168 (get_variable_section): New function, split out from assemble_variable.
13169 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13170 use_blocks_for_decl_p say so. Use change_symbol_section if the
13171 symbol has already been created.
13172 (assemble_variable_contents): New function, split out from...
13173 (assemble_variable): ...here. Don't output any code for
13174 block symbols; just pass them to place_block_symbol.
13175 Use get_variable_section and assemble_variable_contents.
13176 (get_constant_alignment, get_constant_section, get_constant_size): New
13177 functions, split from output_constant_def_contents.
13178 (build_constant_desc): Create a block symbol if use_object_blocks_p
13179 says so. Or into SYMBOL_REF_FLAGS.
13180 (assemble_constant_contents): New function, split from...
13181 (output_constant_def_contents): ...here. Don't output any code
13182 for block symbols; just pass them to place_section_symbol.
13183 Use get_constant_section and get_constant_alignment.
13184 (force_const_mem): Create a block symbol if use_object_blocks_p and
13185 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13186 (output_constant_pool_1): Add an explicit alignment argument.
13187 Don't switch sections here.
13188 (output_constant_pool): Adjust call to output_constant_pool_1.
13189 Switch sections here instead. Don't output anything for block symbols;
13190 just pass them to place_block_symbol.
13191 (init_varasm_once): Initialize object_block_htab.
13192 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13193 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13194 (place_block_symbol, get_section_anchor, output_object_block)
13195 (output_object_block_htab, output_object_blocks): New functions.
13196 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13197 (TARGET_ASM_OUT): Include it.
13198 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13199 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13200 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13201 (TARGET_INITIALIZER): Include them.
13202 * rtl.c (rtl_check_failed_block_symbol): New function.
13203 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13204 (block_symbol, object_block): New structures.
13205 (rtx_def): Add a block_symbol field to the union.
13206 (BLOCK_SYMBOL_CHECK): New macro.
13207 (rtl_check_failed_block_symbol): Declare.
13208 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13209 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13210 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13211 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13212 * output.h (output_section_symbols): Declare.
13213 (object_block): Name structure.
13214 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13215 (default_use_anchors_for_symbol_p): Declare.
13216 * Makefile.in (RTL_BASE_H): Add vec.h.
13217 (explow.o): Depend on output.h.
13218 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13219 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13220 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13221 (rs6000_use_blocks_for_constant_p): New function.
13223 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13225 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13227 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13230 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13233 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13235 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13239 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13241 PR middle-end/26334
13242 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13243 instead of DECL_REGISTER.
13245 2006-02-18 Olivier Hainque <hainque@adacore.com>
13248 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13250 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13253 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13254 * opth-gen.awk: Handle Var and InverseMask together.
13255 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13256 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13257 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13258 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13260 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13261 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13262 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13263 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13264 LINUX_DYNAMIC_LINKER): Define.
13265 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13266 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13268 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13269 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13270 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13272 (TARGET_C99_FUNCTIONS): Don't define.
13273 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13274 GLIBC_DYNAMIC_LINKER.
13275 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13276 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13277 GLIBC_DYNAMIC_LINKER64): Define.
13278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13279 LINUX_DYNAMIC_LINKER64.
13280 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13281 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13282 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13284 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13286 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13287 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13288 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13290 and LINUX_DYNAMIC_LINKER32.
13291 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13293 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13295 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13297 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13298 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13299 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13300 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13301 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13302 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13303 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13304 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13305 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13306 LINUX_DYNAMIC_LINKER): Define.
13307 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13308 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13309 GLIBC_DYNAMIC_LINKER64): Define.
13310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13311 LINUX_DYNAMIC_LINKER64.
13312 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13313 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13314 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13315 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13316 LINUX_DYNAMIC_LINKER): Define.
13317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13318 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13319 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13320 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13321 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13322 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13323 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13324 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13325 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13326 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13328 * doc/invoke.texi (-muclibc): Remove caveat about supported
13331 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13333 * doc/cpp.texi (__TIMESTAMP__): Document.
13335 2006-02-17 Roger Sayle <roger@eyesopen.com>
13337 PR middle-end/25600
13338 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13339 C is one less than the width of X (and related transformations).
13340 * simplify-rtx.c (simplify_unary_operation_1): Transform
13341 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13342 depending on STORE_FLAG_VALUE, were C is one less then the
13345 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13347 Fix PR tree-optimization/26341
13348 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13349 about NAME_MEMORY_TAG's.
13351 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13354 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13355 with hardware float support, and software float support. Add fcpy
13356 alternative to hardware patterns. Add alternatives to copy between
13357 general and floating-point registers to the 32-bit pattern.
13358 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13359 secondary reload to load a QI or HI mode constant into a floating
13361 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13362 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13364 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13367 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13369 (load_macho_picbase_di): Likewise.
13371 2006-02-16 Jeff Law <law@redhat.com>
13373 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13374 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13375 (ssa_name_nonzero_p): Likewise.
13376 (get_value_range): Return NULL if VRP is not running.
13377 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13378 VRP routines do not discover a range.
13379 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13380 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13381 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13382 (tree_expr_nonnegative_p): Similarly.
13383 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13384 (restore_nonzero_vars_to_original_value): Remove.
13385 (unsafe_associative_fp_binop): Remove.
13386 (tree_ssa_dominator_optimize): Remove initialization and
13387 finalization of nonzero_vars and nonzero_vars_stack.
13388 (dom_opt_initialize_block): No longer push marker on
13389 nonzero_vars_stack.
13390 (dom_opt_finalize_block): No longer call
13391 restore_nonzero_vars_to_original_value.
13392 (record_equivalences_from_phis): No longer look for
13393 nonzero PHI arguments.
13394 (cprop_into_successor_phis): No longer propagate nonzero
13395 property into PHI arguments. Lose unused argument. Caller
13397 (record_equivalences_from_stmt): No longer record nonzero
13398 values for SSA_NAMEs.
13399 (lookup_avail_expr): No longer use nonzero_vars.
13401 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13402 for sizetype when sizetype is unsigned.
13404 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13406 PR rtl-optimization/25603
13407 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13408 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13409 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13410 with new meaning of SETS.
13412 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13417 * config/linux.opt: New file.
13418 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13419 LINUX_DYNAMIC_LINKER): Define.
13420 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13421 * config.gcc (*-*-linux*): Define extra_options.
13422 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13423 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13424 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13425 GLIBC_DYNAMIC_LINKER.
13426 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13427 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13428 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13430 * doc/invoke.texi (GNU/Linux Options): New section.
13432 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13434 * config/sparc/sparc.md (setjmp): Rewrite.
13435 (setjmp_32): Delete.
13436 (setjmp_64): Likewise.
13438 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13440 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13443 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13445 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13448 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13450 PR rtl-optimization/26296
13451 * Makefile.in (loop-invariant.c): Add except.h dependency.
13452 * loop-invariant.c: Include except.h.
13453 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13455 2005-02-16 Paul Brook <paul@codesourcery.com>
13457 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13460 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13462 PR rtl-optimization/25636
13463 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13464 when deciding whether an insn is an initializing insn.
13466 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13468 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13469 (tree_code_size): Ditto.
13470 * tree.h (struct tree_memory_tag): Remove parent_var.
13471 (struct tree_struct_field_tag): New.
13474 (union tree_node): Add sft member.
13475 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13477 (create_sft): Add size and offset argument, set SFT_OFFSET and
13479 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13480 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13481 * tree-flow-inline.h (get_subvar_at): Update for
13482 SFT_OFFSET/SFT_SIZE.
13483 (var_can_have_subvars): Ditto.
13484 (overlap_subvar): Ditto.
13485 * print-tree.c (print_node): Print out interesting things for
13487 * tree-flow.h (struct subvar): Remove offset and size members.
13488 * tree-ssa-operands.c (get_expr_operands): Update for
13489 get_indirect_ref_operands changes.
13490 (get_indirect_ref_operands): Call add_virtual_operand instead of
13491 add_stmt_operand. Only recurse on base var if requested.
13492 (access_can_touch_variable): New function.
13493 (add_stmt_operand): Split virtual operand handling into ...
13494 (add_virtual_operand): Here. Add offset, size, and for_clobber
13495 arguments. Prune alias sets.
13496 (add_call_clobber_ops): Call add_virtual_operand.
13498 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13500 PR middle-end/26300
13501 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13503 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13504 than TREE_CODE as index into omp_clause_num_ops array.
13506 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13508 PR rtl-optimization/26184
13509 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13511 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13512 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13513 must_precede, must_follow and tobe_scheduled.
13516 * opts.c (common_handle_option): Free new_option pointer.
13517 * df-core.c (df_analyze): Free postorder pointer.
13519 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13521 * Makefile.in: Fix the examples about the use of stamps
13523 2006-02-15 Michael Matz <matz@suse.de>
13525 PR middle-end/22275
13527 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13528 influenced by maximum_field_alignment or DECL_PACKED.
13529 (update_alignment_for_field): Ditto.
13530 (place_field): Ditto.
13531 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13534 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13536 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13537 (debug_flow_info): Pass it.
13538 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13539 * bb-reorder.c (reorder_basic_blocks): Likewise.
13540 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13541 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13542 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13543 * gcse.c (gcse_main, bypass_jumps): Likewise.
13544 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13545 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13546 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13547 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13548 * rtl.h (dump_flow_info): Adjust prototype.
13549 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13550 * var-tracking.c (variable_tracking_main): Likewise.
13551 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13552 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13555 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13557 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13560 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13562 PR tree-optimization/26209
13563 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13564 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13566 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13568 2006-02-14 Roger Sayle <roger@eyesopen.com>
13570 PR middle-end/23670
13571 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13572 (X,Y) and the corresponding symmetry related transformations.
13573 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13574 (X,Y) and its symmetry related transformations.
13576 2006-02-14 Roger Sayle <roger@eyesopen.com>
13578 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13581 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13583 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13585 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13588 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13589 support COMDAT group.
13590 * configure: Regenerate.
13592 2006-02-14 Roger Sayle <roger@eyesopen.com>
13594 PR middle-end/26279
13595 PR middle-end/26280
13596 PR middle-end/26283
13597 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13599 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13601 Fix PR tree-optimization/26260
13603 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13605 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13606 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13607 * tree-ssa-structalias.c (create_variable_info_for): Use
13608 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13610 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13612 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13614 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13615 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13616 of the ending condition.
13617 * tree-ssa-loop-manip.c: Include params.h.
13618 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13619 tree_unroll_loop): New functions.
13620 * tree-pass.h (pass_loop_prefetch): Declare.
13621 * loop.c (rest_of_handle_loop_optimize): Test for
13622 -fprefetch-loop-arrays-rtl.
13623 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13624 * timevar.def (TV_TREE_PREFETCH): New timevar.
13625 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13626 pass_loop_prefetch): New.
13627 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13628 (cleanup_tree_cfg_loop): Call scev_reset.
13629 * common.opt (fprefetch-loop-arrays-rtl): Add.
13630 * tree-ssa-loop-prefetch.c: New file.
13631 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13632 (new_temp_expr_table): Initialize expr_vars.
13633 (free_temp_expr_table): Cleanup expr_vars.
13634 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13635 expressions from being merged into one.
13636 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13637 (struct tree_niter_desc): Add control, bound and cmp fields.
13638 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13640 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13641 (tree-cfgcleanup.o): Add SCEV_H dependency.
13642 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13643 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13645 2006-02-14 Richard Guenther <rguenther@suse.de>
13647 PR tree-optimization/26258
13648 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13649 in PHI argument processing.
13651 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13653 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13654 new expression in the requested machine mode.
13656 2006-02-13 Roger Sayle <roger@eyesopen.com>
13658 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13659 directly, instead let do_compare_rtx_and_jump handle this for us.
13660 * expr.c (expand_expr_real_1): Likewise.
13661 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13662 before do_jump_by_parts_greater.
13663 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13664 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13666 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13668 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13670 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13672 PR rtl-optimization/26235
13673 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13674 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13677 2006-02-13 Jeff Law <law@redhat.com>
13679 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13682 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13684 PR middle-end/26092
13685 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13686 twice if decl is a builtin. When trying again, call get_callee_fndecl
13687 first to verify it is still a builtin.
13689 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13691 * dwarf2out.c (base_type_die): Don't add AT_name here.
13692 (subrange_type_die): Don't add AT_name here.
13693 (modified_type_die): Rearrange code flow. Do add AT_name here.
13695 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13697 PR rtl-optimization/26247
13698 PR rtl-optimization/26248
13699 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13701 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13703 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13704 * config/fixtfdi.c: Likewise.
13705 * config/fixunstfdi.c: Likewise.
13706 * config/floatditf.c: Likewise.
13708 2006-02-13 Roger Sayle <roger@eyesopen.com>
13710 PR middle-end/24427
13711 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13712 into (X,C2) if C1 is a subset of the bits of C2. Transform
13713 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13715 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13717 2006-02-13 Josh Conner <jconner@apple.com>
13720 * varasm.c (function_section): Check for section name before
13721 calling select_section on targets that define
13722 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13723 unlikely_text_section instead of hot_function_section if
13724 first_function_block_is_cold.
13726 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13728 PR middle-end/25335
13729 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13731 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13733 PR rtl-optimization/26222
13734 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13735 after tree->rtl expansion.
13736 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13737 before passing it to emit_move_insn.
13739 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13741 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13743 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13744 Clarify documentation.
13745 * c-common.h (warn_write_strings): Remove.
13746 * c-common.c (warn_write_strings): Likewise.
13747 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13750 2006-02-12 Roger Sayle <roger@eyesopen.com>
13752 PR middle-end/25724
13753 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13754 (do_jump_parts_zero_rtx): New function renamed from
13755 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13756 (do_jump_parts_equality_rtx): New function split out from
13757 do_jump_parts_equality. Old implementation renamed as above.
13758 Call do_jump_parts_zero_rtx if either operand is zero.
13759 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13760 do all of the heavy lifting.
13761 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13762 calling either do_jump_by_parts_greater_rtx or
13763 do_jump_by_parts_equality_rtx.
13764 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13765 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13766 moved to do_compare_rtx_and_jump, call it directly.
13767 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13768 mode argument. Call do_compare_rtx_and_jump.
13769 (emit_case_nodes): Update calls to do_jump_if_equal.
13771 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13773 PR rtl-optimization/26225
13774 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13776 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13778 PR rtl-optimization/26232
13779 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13781 2006-02-11 Jason Merrill <jason@redhat.com>
13784 * tree-inline.c (declare_return_variable): Just don't use the
13785 modify target if it's a gimple complex reg and the return slot
13788 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13790 * doc/contrib.texi: Update my entry.
13792 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13794 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13796 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13798 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13801 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13803 * doc/invoke.texi (-floop-optimize2): Removed.
13804 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13805 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13806 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13807 * common.opt (floop-optimize2): Removed.
13808 (fmove-loop-invariants): Enabled by default.
13810 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13812 * tree-if-conv.c (combine_blocks): Free the result of
13813 get_loop_exit_edges.
13815 2006-02-10 Jeff Law <law@redhat.com>
13817 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13819 PR tree-optimization/26213
13820 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13821 loop trying to follow SSA_NAME_VALUE chains.
13823 2006-02-10 Richard Guenther <rguenther@suse.de>
13825 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13826 deal with structures that end in implicitly variable sized arrays.
13828 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13830 PR rtl-optimization/24762
13831 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13834 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13836 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13837 (struct ivopts_data): Add regs_used field.
13838 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13839 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13840 instead of loop_data->regs_used;
13841 (free_loop_data): Do not free aux fields for loops.
13842 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13843 and tree_ssa_iv_optimize_finalize.
13845 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13847 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13849 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13852 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13853 computing the effective result type.
13855 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13857 PR inline-asm/16194
13858 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13859 (tree_overlaps_hard_reg_set): Declare.
13860 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13861 type and signature to match function type expected by walk_tree.
13862 (tree_overlaps_hard_reg_set): New function.
13863 (decl_conflicts_with_clobbers_p): Rename to:
13864 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13865 Use tree_overlaps_hard_reg_set. Changed caller.
13866 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13867 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13868 * cris.c (cris_md_asm_clobbers): Likewise.
13870 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13872 * reload1.c (emit_input_reload_insns): Delete code that tries to
13873 inherit using find_equiv_reg.
13875 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13877 * c-common.h (flag_const_strings): Don't declare.
13878 * c-common.c (flag_const_strings): Remove.
13879 * c.opt (fconst_strings): Remove.
13880 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13881 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13882 (c_common_init_options): Don't set flag_const_strings.
13883 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13885 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13887 * arm.md (tlobits_cbranch): New pattern.
13888 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13889 testing a single bit.
13891 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13894 * tree-ssa-pre.c (create_component_ref_by_pieces):
13895 Handle RETURN_DECL like VAR_DECL.
13897 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13899 PR middle-end/26134
13900 * fold-const.c (fold_indirect_ref_1): Fold
13901 "*(foo *)&complexfoo" to "__real__ complexfoo"
13902 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13904 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13906 * tree-flow-inline.h (var_can_have_subvars):
13907 Volatile variables should not have subvariables.
13909 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13912 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13913 multiplying unsigned values.
13916 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13918 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13920 2006-02-08 Jason Merrill <jason@redhat.com>
13923 * tree.def: Elaborate on difference from MODIFY_EXPR.
13924 * doc/c-tree.texi (INIT_EXPR): Likewise.
13925 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13926 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13927 (gimplify_target_expr): Likewise.
13928 (gimplify_cond_expr): Remove target handling.
13929 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13930 (gimplify_expr): Clobber it here.
13931 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13932 Do return slot optimization if we have an INIT_EXPR.
13935 * tree-inline.c (declare_return_variable): Also clear
13936 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13939 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13941 PR middle-end/22439
13942 * gimplify.c (gimplify_one_sizepos): Fix typo.
13944 2006-02-08 Jeff Law <law@redhat.com>
13946 PR tree-optimization/21417
13947 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13948 across a backedge if the control statement at the end of the
13949 block is data dependent on other statements in the same block.
13950 (record_temporary_equivalences_from_stmts): Remove over-conservative
13951 test for threading across backedges.
13953 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13954 control statement, handle all three special cases in the same
13955 manner as they all have the same desired solution. No longer
13956 special case edge flag updating when the post dominator is
13959 2006-02-08 Roger Sayle <roger@eyesopen.com>
13961 * tree.def (CHAR_TYPE): Remove.
13962 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13963 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13964 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13965 (gen_string_type_die): Delete unreachable function.
13967 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13968 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13969 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13970 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13971 * builtins.c (type_to_class): Likewise.
13972 * fold-const.c (fold_convert, build_range_check,
13973 merge_ranges): Likewise.
13974 * expr.c (count_type_elements): Likewise.
13975 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13976 * stor-layout.c (layout_type): Likewise.
13977 * ipa-type-escape.c (type_to_consider): Likewise.
13978 * gimplify.c (omp_firstprivatize_type_sizes,
13979 gimplify_type_sizes): Likewise.
13980 * explow.c (promote_mode): Likewise.
13981 * tree-sra.c (is_sra_scalar_type): Likewise.
13982 * varasm.c (output_constant): Likewise.
13983 * tree-inline.c (remap_type_1): Likewise.
13984 * convert.c (convert_to_pointer, convert_to_real,
13985 convert_to_integer, convert_to_complex): Likewise.
13987 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13989 * df-scan.c (df_def_record_1): A set destination may
13990 be a parallel regardless of mode.
13992 2006-02-08 Roger Sayle <roger@eyesopen.com>
13995 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13996 * config/mips/_tilib.c: Remove.
13997 * config/fixtfdi.c: New libgcc source file.
13998 * config/fixunstfdi.c: New source file.
13999 * config/floatditf.c: New source file.
14000 * config/floatunditf.c: New souce file.
14001 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14002 files above instead of config/mips/_tilib.c.
14003 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14005 2006-02-08 Jeff Law <law@redhat.com>
14007 PR tree-optimization/26169
14008 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14011 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14013 * df.h (DF_REG_SIZE): Return the length of the initialized
14016 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14018 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14019 __muldf3): Return a correctly signed zero.
14021 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14023 * passes.c (register_one_dump_file): Accept the current properties
14024 instead of pass number. Adjust call to dump_register. Remove
14026 (register_dump_files): Now a wrapper around...
14027 (register_dump_files_1): ... this one. Do not modify the pass
14029 (next_pass_1): Cosmetic fix.
14030 (execute_todo): Keep second parameter only. Use curr_properties
14031 instead of fetching it from the pass structure. Check and set
14033 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14034 instead of fetching it from the pass structure. Fix calls to
14035 execute_todo. Update curr_properties and initialize .vcg RTL dump
14036 after running the pass. Reset last_verified.
14037 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14039 (FIRST_AUTO_NUMBERED_DUMP): New.
14040 (dump_register): Remove "num" parameter, assign it within the
14042 (get_dump_file_name): Modify template for dumps.
14043 * tree-dump.h (dump_register): Adjust prototype.
14044 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14045 (PROP_trees): Add PROP_gimple_lomp.
14046 (TODO_set_props): New.
14047 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14048 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14049 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14051 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14053 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14054 (sparc64-*-linux*): Likewise.
14055 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14056 * config/sparc/t-linux: New file.
14057 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14058 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14059 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14060 -m32 -mlong-double-128.
14062 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14063 * config/alpha/t-linux: New file.
14064 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14066 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14067 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14068 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14069 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14070 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14071 (CPP_ARCH32_SPEC): Remove.
14073 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14075 PR tree-optimization/26145
14076 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14079 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14082 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14083 >= 240000 when generating code for SOM runtime.
14084 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14085 to $$dyncall when generating code for SOM runtime..
14087 2006-02-07 Dirk Mueller <dmueller@suse.com>
14090 * doc/invoke.texi (-Wsequence-point): Update documentation
14091 that -Wsequence-point is implemented for C++ as well.
14093 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14095 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14096 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14097 (LIB_SPEC): Likewise.
14098 * doc/invoke.texi (SPARC options): Document -pthread.
14100 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14102 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14105 2006-02-07 Roger Sayle <roger@eyesopen.com>
14107 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14108 Correct comment describing BOOLEAN_TYPE.
14110 2006-02-07 Dirk Mueller <dmueller@suse.com>
14112 * c.opt: C++ frontend supports -Wdiv-by-zero.
14113 * c-opts.c (c_common_handle_option): Remove dead case.
14115 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14117 * configure.ac (TLS assembler check): Do not enable TLS by
14118 default on SPARC/Solaris before version 10.
14119 * configure: Regenerate.
14121 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14123 * doc/invoke.texi (xl-compat): Document conversion and support
14126 2006-02-07 Jeff Law <law@redhat.com>
14128 * tree-vrp.c (find_conditional_asserts): Update comments.
14129 (simplify_stmt_for_jump_threading): New.
14130 (identify_jump_threads, finalize_jump_threads): New.
14131 (vrp_finalize): Call identify_jump_threads.
14132 (execute_vrp): Call finalize_jump_threads.
14133 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14134 (vrp_element, vrp_data, vrp_element_p): Remove.
14135 (vrp_hash_elt, vrp_variables_stack): Remove.
14136 (vrp_hash, vrp_eq, record_range): Remove.
14137 (simplify_cond_and_lookup_avail_expr): Remove.
14138 (extract_range_from_cond): Remove.
14139 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14140 (simplify_stmt_for_jump_threading): New.
14141 (dom_thread_across_edge): New wrapper.
14142 (tree_ssa_dominator_optimize): No longer initialize or
14143 finalize any of the VRP datastructures. Remove iteration
14144 step and simplify as a result of removal of iteration step.
14145 (pass_dominator): Perform a cfg cleanup after DOM.
14146 (dom_opt_finalize_block): Use the new common routines
14147 for threading jumps. Simplify stack management slightly.
14148 No longer need to unwind VRP state.
14149 (record_equivalences_from_incoming_edge): No longer record
14151 (eliminate_redundant_computations): No longer call
14152 simplify_cond_and_lookup_avail_expr.
14153 * tree-flow.h (potentially_threadable_block): Prototype.
14154 (thread_across_edge): Likewise.
14155 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14156 (tree-ssa-threadedge.o): Add dependencies.
14157 * tree-ssa-threadedge.c: New file.
14158 * passes.c (init_optimization_passes): Merge PHIs before
14159 calling VRP. Run VRP again late in the SSA optimization pipeline.
14161 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14163 * df-core.c (df_set_blocks): Do not dereference function pointers.
14164 (df_finish1): Likewise.
14165 (df_hybrid_search_forward): Likewise.
14166 (df_hybrid_search_backward): Likewise.
14167 (df_iterative_dataflow): Likewise.
14168 (df_analyze_problem): Likewise.
14169 (df_compact_blocks): Likewise.
14170 (df_dump): Likewise.
14171 * df-scan.c (df_rescan_blocks): Likewise.
14172 (df_record_entry_block_defs): Likewise.
14174 * genconditions.c (write_conditions): Guard the definition of
14175 'insn_conditions' with the check on GCC version.
14176 (write_writer): Guard the traversal 'insn_conditions' with
14177 the check on GCC version.
14179 2006-02-07 Richard Guenther <rguenther@suse.de>
14183 2006-01-30 Richard Guenther <rguenther@suse.de>
14185 * gimplify.c (gimplify_target_expr): Handle easy cases
14186 without creating a temporary.
14188 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14190 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14191 use of float in probability computations. Use edge probabilities
14192 in place of statically computed probabilities.
14193 (min_spec_prob): New static variable.
14194 (schedule_insns): Initialize it.
14195 (GET_SRC_PROB): Removed.
14196 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14198 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14201 * config/ia64/unwind-ia64.c: Revert last change.
14202 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14203 (INCOMING_FRAME_SP_OFFSET): Define.
14205 2006-02-06 Roger Sayle <roger@eyesopen.com>
14207 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14209 2006-02-07 Ben Elliston <bje@au.ibm.com>
14211 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14212 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14213 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14214 (ix86_return_in_memory): Handle TDmode.
14215 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14216 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14218 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14220 * reorg.c (dbr_schedule): Use dump_file instead of file.
14222 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14225 * config/ia64/predicates.md (extr_len_operand): New predicate.
14226 * config/ia64/ia64.md (extv): Tighten constraints.
14228 (*tbit_and_2): Ditto.
14229 (*tbit_and_3): Ditto.
14230 (*tbit_or_2): Ditto.
14231 (*tbit_or_3): Ditto.
14232 (*bit_zero): Ditto.
14235 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14238 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14240 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14242 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14243 loop_optimizer_init and loop_optimizer_finalize
14244 * tree-ssa-sink.c (execute_sink_code): Ditto.
14245 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14246 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14247 tree_ssa_loop_done): Ditto.
14248 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14249 * sched-ebb.c: Include output.h.
14250 (schedule_ebbs): Do not use dump argument.
14251 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14252 * loop.c (loop_dump_stream): Removed.
14253 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14255 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14256 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14257 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14258 loop_iterations, strength_reduce, record_biv, record_giv,
14259 final_giv_value, check_final_value, check_ext_dependent_givs,
14260 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14261 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14262 dump_file instead of loop_dump_stream.
14263 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14264 argument dump_file.
14265 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14267 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14268 * haifa-sched.c: Include output.h
14269 (schedule_insns, sched_init): Do not use dump argument.
14270 * mode-switching.c (optimize_mode_switching): Ditto.
14271 * modulo-sched.c (stats_file): Removed.
14272 (print_node_sched_params): Do not call argument dump_file.
14273 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14274 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14276 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14278 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14279 rtl_loop_init, rtl_loop_done): Ditto.
14280 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14281 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14283 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14284 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14285 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14286 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14287 * emit-rtl.c (renumber_insns): Ditto.
14288 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14289 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14290 * regclass.c (regclass): Ditto.
14291 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14292 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14293 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14294 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14296 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14297 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14299 * gcse.c (gcse_file, debug_stderr): Removed.
14300 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14301 rest_of_handle_gcse): Do not use dump argument.
14302 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14303 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14304 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14305 compute_code_hoist_vbeinout, compute_code_hoist_data,
14306 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14307 compute_store_table, build_store_vectors, insert_insn_start_bb,
14308 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14309 store_motion): Use dump_file instead of gcse_file.
14310 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14311 * profile.c (profile_dump_file): Removed.
14312 (branch_prob): Use dump_file instead of profile_dump_file.
14313 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14315 * tree-ssa-copy.c (dump_copy_of): Ditto.
14316 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14317 dump file to life_analysis.
14318 * bt-load.c (branch_target_load_optimize): Ditto.
14319 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14321 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14322 regclass, dbr_schedule): Declaration changed.
14323 * sched-int.h (sched_init): Declaration changed.
14324 * tree-profile.c (tree_profile_dump_file): Removed.
14325 (tree_profile_hooks): Removed profile_dump_file hook.
14326 * rtl-profile (rtl_profile_dump_file): Removed.
14327 (rtl_profile_hooks): emoved profile_dump_file hook.
14328 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14330 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14331 * tree-cfg.c (build_tree_cfg): Ditto.
14332 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14333 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14334 Declaration changed.
14335 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14336 life_analysis and schedule_insns.
14337 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14339 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14341 * config/mips/mips.c (mips_reorg): Ditto.
14342 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14345 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14347 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14348 (s390_mangle_fundamental_type): New.
14349 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14352 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14353 (alpha_mangle_fundamental_type): New.
14354 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14357 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14359 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14361 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14362 (sparc_mangle_fundamental_type): New.
14364 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14366 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14367 (s390x-*-linux*): Likewise.
14368 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14369 * config/s390/t-linux: New file.
14371 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14373 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14374 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14376 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14378 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14379 (ANTIC_SAFE_LOADS): New macro.
14380 (find_or_generate_expression): Add prototype.
14381 (set_contains_value): Allow null set for sake of not always having
14382 to allocate ANTIC_SAFE_LOADS.
14383 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14384 Allow COMPONENT_REF too.
14385 (valid_in_set): Allow COMPONENT_REF.
14386 Check ANTIC_SAFE_LOADS too.
14387 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14388 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14390 (can_PRE_operation): Add COMPONENT_REF.
14391 (create_component_ref_by_pieces): New function.
14392 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14393 (insert_aux): Move AGGREGATE_TYPE_P check here.
14394 (compute_avail): Set bb local stmt uids.
14395 (pass_pre): Use TODO_update_ssa_only_virtuals.
14397 2006-02-06 Ben Elliston <bje@au.ibm.com>
14399 * configure.ac: Unconditionally disable decimal float by default.
14400 * configure: Regenerate.
14402 2006-02-06 Ben Elliston <bje@au.ibm.com>
14404 * read-rtl.c (read_name): Terminate reading on EOF.
14406 2006-02-06 Ben Elliston <bje@au.ibm.com>
14408 * dfp.c (decimal_real_arithmetic): Change second argument type
14409 from int to enum tree_code. Do not always return true, but now
14410 return result of any call to decimal_do helper functions.
14411 * dfp.h (decimal_real_arithmetic): Update prototype.
14413 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14415 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14417 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14420 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14423 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14425 * tree-vrp.c (cfg_loops): Removed.
14426 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14427 Use current_loops instead of cfg_loops. Pass flags to
14428 loop_optimizer_init.
14429 * cfgloopmanip.c (fix_loop_structure): Update only available
14431 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14432 loop_optimizer_init.
14433 * modulo-sched.c (build_loops_structure): Removed.
14434 (sms_schedule): Use loop_optimizer_init.
14435 * loop-init.c (loop_optimizer_init): Use flags to determine
14436 which properties of loops to prepare.
14437 (rtl_loop_init): Pass flags to loop_optimizer_init.
14438 * tree-ssa-sink.c (execute_sink_code): Ditto.
14439 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14440 * tree-ssa-pre.c (init_pre): Ditto.
14441 * cfgloop.h (LOOPS_NORMAL): New.
14442 (loop_optimizer_init): Declaration changed.
14444 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14446 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14447 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14449 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14451 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14453 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14454 * pa/t-pa64: Delete quadlib.c rule.
14455 * pa/x-ada: Revert last change.
14456 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14458 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14460 PR rtl-optimization/26087
14461 * rtlanal.c (canonicalize_condition): Do not cross basic block
14464 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14467 * config/ia64/ia64.c: Include debug.h.
14468 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14469 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14470 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14471 (process_epilogue, process_set, process_for_unwind_directive):
14472 Output unwind info only if requested. Add CFA info if requested.
14473 Add new arguments as needed. Adjust callers.
14474 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14476 (DWARF2_FRAME_INFO): Define to zero.
14477 * config/ia64/unwind-ia64.c: Remove code that compensated for
14478 the CFA offset error fixed above.
14479 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14480 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14481 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14482 -funwind-tables and -fexceptions to enable frame info.
14483 (dwarf2out_frame_init): Define initial CFA even if
14484 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14485 DWARF2_UNWIND_INFO is nonzero, not just defined.
14486 (dwarf2out_frame_finish): Output non-EH call frame info only
14487 if DWARF2_FRAME_INFO is nonzero.
14488 (convert_cfa_to_loc_list,
14489 compute_frame_pointer_to_cfa_displacement): Define even if
14490 unwind info is not supported.
14491 (gen_subprogram_die): Use the above unconditionally. Remove
14492 legacy alternate code.
14493 * toplev.c (compile_file): Compile in call to
14494 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14495 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14497 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14498 Jakub Jelinek <jakub@redhat.com>
14500 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14501 IBM extended float format long double as "g" on powerpc*-linux.
14503 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14506 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14507 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14509 2006-02-03 Jason Merrill <jason@redhat.com>
14512 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14514 PR middle-end/25977
14515 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14516 on the return slot if it's an NRV.
14518 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14520 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14521 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14522 rewrite_use): Do not handle USE_OUTER.
14523 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14524 add_iv_outer_candidates, may_replace_final_value,
14525 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14526 (find_interesting_uses_op): Functionality of
14527 find_interesting_uses_outer_or_nonlin moved here.
14528 (find_interesting_uses_outside): Use find_interesting_uses_op.
14530 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14533 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14535 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14536 Ulrich Weigand <uweigand@de.ibm.com>
14539 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14540 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14541 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14542 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14544 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14545 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14546 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14547 Define secondary reloads for TFmode moves.
14548 (constant_modes): Add TFmode.
14549 (NR_C_MODES): Set to 8.
14550 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14552 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14553 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14554 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14555 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14556 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14557 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14558 (FPR mode macro): Add TFmode.
14559 (DSF mode macro): New.
14560 (<de>, <dee> mode attributes): Removed.
14561 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14562 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14563 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14564 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14565 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14566 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14567 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14568 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14569 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14570 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14571 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14572 "*negabs<mode>2", "sqrt<mode>2"):
14573 Changed <de> to <xde>. R constraint replaced by <Rf>.
14574 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14576 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14577 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14578 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14580 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14581 "extenddftf2", "extendsftf2"): New expanders.
14582 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14583 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14584 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14585 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14587 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14588 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14589 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14590 __floatditf): Add a GCC_4.1.0 symbol version tag.
14591 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14594 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14597 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14598 Use targetm.binds_local_p instead of TREE_PUBLIC.
14600 2006-02-02 Roger Sayle <roger@eyesopen.com>
14602 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14603 on INTEGER_TYPEs to indicate that it denotes a character type.
14604 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14605 signed_char_type_node, unsigned_char_type_node and char_type_node.
14606 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14607 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14608 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14610 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14611 Daniel Berlin <dberlin@dberlin.org>
14613 * tree-tailcall.c (arg_needs_copy_p): New function.
14614 (eliminate_tail_call): Use arg_needs_copy_p.
14615 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14616 (add_virtual_phis): New function.
14618 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14620 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14621 #ignore instead of #scratch for %g7 .register directive.
14623 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14625 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14628 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14630 * flow.c (calculate_global_regs_live): Assert that there aren't any
14633 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14635 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14636 what its name says.
14637 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14638 bsi_after_labels iterator.
14639 * tree-if-conv.c (find_phi_replacement_condition,
14640 replace_phi_with_cond_modify_expr): Likewise.
14641 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14642 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14644 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14646 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14648 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14651 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14652 array after growing it.
14654 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14656 PR middle-end/24901
14657 * fold-const.c (fold_checksum_tree): Change type of buf.
14659 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14661 * reload.c (push_secondary_reload): Initialize t_icode.
14663 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14665 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14666 -msoft-float -mlong-double-128 only issue a warning, but don't
14667 swich to DFmode long double.
14669 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14671 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14672 has a constant equivalent, iterate over equivalents for arg0,
14673 calling simplify_relational_operation and if there's a result
14674 cheaper than X, apply fold_rtx and return the result.
14676 2006-02-01 Jan Hubicka <jh@suse.cz>
14678 * opts.c (no_unit_at_a_time_default): New global variable.
14679 (decode_options): Use it.
14680 * opts.h (no_unit_at_a_time_default): Declare.
14682 2006-02-01 Paul Brook <paul@codesourcery.com>
14684 * function.c (assign_parm_setup_reg): Use function argument promotion
14686 * expr.c (expand_expr_real_1): Use function argument promotion rules
14689 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14691 * gcc.c (process_command): Change j to 'unsigned int'.
14693 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14695 PR middle-end/26001
14696 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14697 Use the corrected index for the character
14698 out of the string constant.
14700 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14702 * mode-switching.c (optimize_mode_switching): Fix size
14703 allocated for bb_info[n_entities].
14705 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14707 * gcc.c (main): Correct type that is allocated for
14708 explicit_link_files.
14710 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14712 * config/s390/s390.c (init_alignment_context): Set
14713 ALIAS_SET_MEMORY_BARRIER on the MEM.
14714 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14716 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14718 PR middle-end/25933
14719 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14721 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14724 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14726 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14727 * regrename.c: Ditto.
14728 * tree-ssa-loop-im.c: Ditto.
14729 * tree-dump.c: Ditto.
14730 * tree-complex.c: Ditto.
14731 * genrecog.c: Ditto.
14732 * tree-ssa-threadupdate.c: Ditto.
14734 * java/class.c: Ditto.
14735 * java/jcf-parse.c: Ditto.
14736 * java/resource.c: Ditto.
14737 * java/except.c: Ditto.
14738 * java/jvspec.c: Ditto.
14739 * java/jcf-write.c: Ditto.
14740 * java/jcf-path.c: Ditto.
14741 * java/gjavah.c: Ditto.
14742 * java/zextract.c: Ditto.
14743 * java/jcf-io.c: Ditto.
14744 * java/jcf.h: Ditto.
14745 * java/buffer.c: Ditto.
14746 * java/lang.c: Ditto.
14747 * java/parse-scan.y: Ditto.
14748 * java/lex.c: Ditto.
14749 * java/lex.h: Ditto.
14750 * cfgloopmanip.c: Ditto.
14751 * postreload-gcse.c: Ditto.
14752 * tree-ssa-loop-manip.c: Ditto.
14753 * postreload.c: Ditto.
14754 * tree-ssa-loop-ch.c: Ditto.
14757 * cppspec.c: Ditto.
14758 * diagnostic.c: Ditto.
14760 * genoutput.c: Ditto.
14762 * cfghooks.c: Ditto.
14763 * cfgloopanal.c: Ditto.
14764 * objc/objc-act.c: Ditto.
14766 * genextract.c: Ditto.
14767 * genautomata.c: Ditto.
14768 * pretty-print.c: Ditto.
14769 * genemit.c: Ditto.
14770 * cgraphunit.c: Ditto.
14772 * df-scan.c: Ditto.
14773 * haifa-sched.c: Ditto.
14774 * dominance.c: Ditto.
14776 * tree-ssa-loop-ivopts.c: Ditto.
14777 * df-core.c: Ditto.
14778 * mode-switching.c: Ditto.
14779 * modulo-sched.c: Ditto.
14781 * ipa-pure-const.c: Ditto.
14783 * fix-header.c: Ditto.
14785 * tree-stdarg.c: Ditto.
14786 * ipa-utils.c: Ditto.
14787 * loop-init.c: Ditto.
14788 * ipa-inline.c: Ditto.
14789 * cfganal.c: Ditto.
14791 * alloc-pool.c: Ditto.
14792 * dwarf2out.c: Ditto.
14794 * genattrtab.c: Ditto.
14795 * tree-ssa-loop-ivcanon.c: Ditto.
14796 * predict.c: Ditto.
14797 * timevar.c: Ditto.
14799 * fortran/gfortranspec.c: Ditto.
14800 * regmove.c: Ditto.
14801 * local-alloc.c: Ditto.
14802 * langhooks.c: Ditto.
14803 * function.c: Ditto.
14804 * tree-vectorizer.c: Ditto.
14806 * ipa-type-escape.c: Ditto.
14808 * tree-if-conv.c: Ditto.
14809 * profile.c: Ditto.
14811 * tree-data-ref.c: Ditto.
14812 * loop-unroll.c: Ditto.
14813 * treelang/treetree.c: Ditto.
14815 * bt-load.c: Ditto.
14816 * ggc-common.c: Ditto.
14818 * coverage.c: Ditto.
14820 * tree-cfgcleanup.c: Ditto.
14821 * tree-ssa-pre.c: Ditto.
14822 * cfgcleanup.c: Ditto.
14823 * loop-invariant.c: Ditto.
14824 * loop-iv.c: Ditto.
14825 * ipa-prop.c: Ditto.
14826 * print-tree.c: Ditto.
14827 * conflict.c: Ditto.
14828 * ggc-page.c: Ditto.
14829 * sched-deps.c: Ditto.
14830 * regclass.c: Ditto.
14831 * tree-object-size.c: Ditto.
14832 * combine.c: Ditto.
14833 * bb-reorder.c: Ditto.
14834 * resource.c: Ditto.
14835 * var-tracking.c: Ditto.
14836 * cfgloop.c: Ditto.
14837 * df-problems.c: Ditto.
14838 * reg-stack.c: Ditto.
14840 * gccspec.c: Ditto.
14841 * sched-rgn.c: Ditto.
14842 * tree-ssa-structalias.c: Ditto.
14843 * tree-ssa-reassoc.c: Ditto.
14844 * config/darwin-c.c: Ditto.
14845 * config/darwin.c: Ditto.
14846 * config/arm/arm.c: Ditto.
14848 * collect2.c: Ditto.
14849 * reload1.c: Ditto.
14851 2006-01-31 Nicolas Pitre <nico@cam.org>
14853 * arm.md (smaxsi3): Make aware of smax_m1.
14856 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14858 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14860 2006-01-31 Richard Guenther <rguenther@suse.de>
14862 * doc/invoke.texi (-msselibm): Document.
14863 * target.h (expand_library_builtin): New target hook.
14864 * builtins.c (expand_builtin): Use expand_library_builtin.
14865 (default_expand_library_builtin): New function.
14866 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14867 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14868 (link_gcc_math_spec): Declare.
14869 (static_specs): Add link_gcc_math_spec.
14870 * expr.h (default_expand_library_builtin): Declare.
14871 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14872 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14873 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14874 * config/i386/i386.opt (msselibm): New target option.
14875 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14876 (ix86_init_sse_abi_builtins): New function.
14877 (ix86_expand_library_builtin): Likewise.
14878 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14879 (override_options): Handle error conditions wrt -msselibm.
14880 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14881 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14882 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14885 2006-01-31 Richard Guenther <rguenther@suse.de>
14886 Paolo Bonzini <bonzini@gnu.org>
14888 * doc/install.texi (--disable-libgcc-math): Document.
14890 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14892 * expr.h (expand_normal): new inline function.
14893 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14894 * dojump.c: use it.
14895 * dwarf2out.c: use it.
14898 * expmed.c: use it.
14899 * except.c: use it.
14900 * config/sparc/sparc.c: use it.
14901 * config/i386/i386.c: use it.
14902 * config/rs6000/rs6000.c: use it.
14903 * config/arm/arm.c: use it.
14904 * config/mips/mips.c: use it.
14905 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14907 2006-01-30 Roger Sayle <roger@eyesopen.com>
14909 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14910 argv to the appropriate type.
14912 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14914 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14917 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14920 * config/s390/s390.c (struct machine_function): New flag
14921 decomposed_literal_pool_addresses_ok_p.
14922 (s390_reorg): Set it before final stage of literal pool transforms.
14923 (s390_decompose_address): Only accept displacements of the form
14924 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14926 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14928 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14929 the comparison routine return.
14931 2006-01-30 Michael Matz <matz@suse.de>
14933 * global.c (find_reg): Only evict for global regs.
14934 Take n_refs into account and dump more info.
14936 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14939 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14940 (pragma_trap, pragma_nosave_low_regs): Likewise.
14941 (current_function_anonymous_args): Likewise.
14942 (sh_deferred_function_attributes): New variable.
14943 (sh_deferred_function_attributes_tail): Likewise.
14944 (print_operand): For '@', look up trap_exit attribute.
14945 (calc_live_regs): Look up trapa_handler attribute. For trapa
14946 handlers, save/restore fpscr, but don't do any other
14947 interrupt-specific saves.
14948 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14949 Fix check for partially saved registers to check for SHmedia.
14950 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14951 (sh_output_function_epilogue): Don't clear any of the removed
14953 (sh_insert_attributes): Don't check pragma_interrupt.
14954 Insert deferred attributes. Check that interrupt attribute is
14955 present for other attributes that require its presence.
14956 (sh_attribute_table): Add new attributes trapa_handler and
14958 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14959 Don't check for pragma_interrupt. Don't store argument.
14960 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14961 (sh_deferred_function_attributes): Declare.
14962 (sh_deferred_function_attributes_tail): Likewise.
14963 * sh.md (sp_switch_1): Add operand. Change generator caller.
14964 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14965 (*return_i): Don't use when trap_exit attribute is in effect.
14966 (*return_trapa): New insn pattern.
14967 * sh-c.c: New file.
14968 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14969 setting c_target_objs and cxx_target_objs.
14970 * t-sh: Add rule for sh-c.o.
14972 2006-01-30 Richard Guenther <rguenther@suse.de>
14975 * gimplify.c (gimplify_target_expr): Handle easy cases
14976 without creating a temporary.
14978 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14980 * vec.h (safe_grow): Remove duplicated line.
14982 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14985 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14986 (expand_omp): ... here.
14987 (expand_omp_parallel): Only remove barriers for combined
14988 parallel+workshare constructs.
14990 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14994 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14995 * tree.c (build_qualified_type): Chain the new type to the original
14996 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14997 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14998 (build_pointer_type_for_mode): Only return unqualified types.
14999 (build_reference_type_for_mode): Likewise.
15001 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15003 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15004 * Makefile.in (CXX_COMPAT_WARN): Define.
15005 * configure: Regenerate.
15007 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15010 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15013 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15015 * toplev.c: Fix thinko.
15017 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15018 Marcin Dalecki <martin@dalecki.de>
15020 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15021 (push_srcloc): Use XNEW.
15022 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15024 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15026 * df-core.c (df_set_blocks): Deleted all variable.
15028 2006-01-28 Ian Lance Taylor <ian@airs.com>
15030 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15031 cgraph_output_pending_asms.
15033 2006-01-28 Zack Weinberg <zackw@panix.com>
15035 * c.opt: Add -W(no-)overlength-strings.
15036 * doc/invoke.texi: Document it.
15037 * c-opts.c (c_common_handle_option): -pedantic implies
15038 -Woverlength-strings, if not explicitly disabled already.
15039 (c_common_post_options): -Woverlength-strings defaults to off, and
15040 is always off for C++.
15041 * c-common.c (fix_string_type): Issue warning about strings longer
15042 than is portable only if warn_overlength_strings. Rearrange code
15043 a little for clarity.
15044 * configure.in: Check for -Wno-overlength-strings as well before
15045 enabling -pedantic in stage 1.
15046 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15047 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15049 * genconditions.c (write_header, write_one_condition)
15050 (write_conditions, write_writer): Consolidate very long strings
15051 that were broken up to fit in C89 portable limit. Don't use
15052 printf when fputs will do.
15054 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15056 * combine.c (simplify_comparison <AND>): Check
15057 TRULY_NOOP_TRUNCATION before start using a subreg.
15059 * config/mips/mips.md (*branch_zero<mode>,
15060 *branch_zero<mode>_inverted, *branch_equality<mode>,
15061 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15062 Remove mode check from comparisons.
15064 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15066 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15068 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15070 * expmed.c (const_mult_add_overflow_p): Remove.
15071 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15073 * recog.c (validate_replace_rtx_subexp): Remove.
15074 * recog.h: Remove the prototype for
15075 validate_replace_rtx_subexp.
15077 * integrate.h: Remove the prototype for
15078 copy_decl_for_inlining.
15079 * rtl.h: Remove the prototype for mark_constant_function.
15080 * tree-vectorizer.h: Remove the prototype for
15081 vect_strip_conversion.
15083 * modulo-sched.c (create_partial_schedule,
15084 free_partial_schedule, reset_partial_schedule): Make them
15087 * hooks.c (hook_bool_rtx_int_false): Remove.
15088 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15090 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15092 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15093 and -mlong-double-128 are incompatible.
15094 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15095 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15096 (TARGET_LIBGCC2_CFLAGS): Define.
15097 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15098 (TARGET_LIBGCC2_CFLAGS): Same.
15099 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15101 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15104 * c-typeck.c (build_binary_op): Perform implicit casts of
15105 operands before shortening them.
15107 * cfgloopmanip.c (split_loop_bb): Remove.
15108 * cfgloop.h: Remove the prototype for split_loop_bb.
15110 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15111 * cfgloop.h: Remove the prototype for
15112 flow_loop_outside_edge_p.
15114 * emit-rtl.c (init_virtual_regs): Make it static.
15115 * function.h: Remove the prototype for init_virtual_regs.
15117 * recog.c (peephole2_optimize): Make it static.
15118 * recog.h: Remove the prototype for peephole2_optimize.
15120 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15122 * df-scan.c (df_record_entry_block_defs): Check if
15123 INCOMING_RETURN_ADDR_RTX is defined.
15125 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15126 Kenneth Zadeck <zadeck@naturalbridge.com>
15128 PR rtl-optimization/24762
15129 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15130 * targhooks.c (hook_void_bitmap): New hook prototype.
15131 * targhoohs.h (hook_void_bitmap): Ditto.
15132 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15133 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15134 * target.h (live_on_entry): New function pointer.
15135 * df-scan.c (df_all_hard_regs): Removed.
15136 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15137 (df_scan_free_internal): Added df->entry_block_defs.
15138 (df_scan_alloc): Ditto.
15139 (df_scan_dump): Ditto.
15140 (df_uses_record): Plumbed flag field properly thru calls.
15141 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15142 This part fixes PR24762.
15143 (df_bb_refs_record): Added code to make the frame and arg
15144 pointers live in EH blocks.
15145 (df_refs_record): Added call to df_record_entry_block_defs.
15146 (df_record_entry_block_defs): New function.
15147 * df-core.c: Added comments to describe new artifical defs.
15148 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15149 (entry_block_defs): New field in struct df.
15150 (df_all_hard_regs): Deleted.
15151 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15152 * df-problems.c (df_ru_bb_local_compute_process_def):
15153 Added code to handle artifical defs in the entry to a function.
15154 (df_ru_bb_local_compute): Ditto.
15155 (df_rd_bb_local_compute_process_def): Ditto.
15156 (df_rd_bb_local_compute): Ditto.
15157 (df_lr_bb_local_compute): Ditto.
15158 (df_ur_bb_local_compute): Ditto.
15159 (df_urec_bb_local_compute): Ditto.
15160 (df_chain_create_bb): Ditto.
15161 (df_ur_local_finalize): Removed entry.
15162 (df_urec_init): Ditto.
15163 (df_urec_local_finalize): Ditto.
15164 (df_ri_bb_compute): Added detection of last use of pseudos.
15165 * Makefile.in (df-scan.o): Updated dependencies.
15166 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15167 * config/mips/mips.c (mips_set_live_on_entry): Added.
15168 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15170 * dce.c (marked_insn_p): Added code to handle artifical defs.
15172 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15174 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15176 (_mm_cvtsi128_si64): Likewise.
15177 (_mm_cvtsd_si64): Likewise.
15178 (_mm_cvttsd_si64): Likewise.
15179 (_mm_cvtsi64_sd): Likewise.
15180 (_mm_cvtsi64_si128): Likewise.
15181 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15182 (_mm_cvtsi64_m64): Likewise.
15183 (_m_to_int64): Likewise.
15184 (_mm_cvtm64_si64): Likewise.
15185 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15186 (_mm_cvttss_si64): Likewise.
15187 (_mm_cvtsi64_ss): Likewise.
15188 (_mm_cvtss_f32): Likewise.
15190 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15192 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15193 for pragma redefine_extname.
15195 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15198 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15199 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15200 -mno-minimal-toc to previous content.
15201 (bispecs): Remove goal.
15202 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15203 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15204 compatibility aliases on powerpc-*-*gnu*.
15205 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15206 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15207 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15208 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15209 (ldblspecs): New goal.
15210 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15211 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15213 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15214 L_sf_to_tf or L_df_to_tf is defined.
15216 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15217 Alan Modra <amodra@bigpond.net.au>
15220 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15221 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15222 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15223 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15224 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15225 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15226 (rs6000_override_options): Initialize rs6000_ieeequad.
15227 Initialize TFmode format to ibm_extended_format if not
15229 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15231 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15232 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15233 (function_arg_advance): IBM long double passed in two FPRs, not
15235 (function_arg): IBM long double passed in FPRs.
15236 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15237 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15238 Only multireg GPR aligned.
15239 (rs6000_init_libfuncs): Enable IBM long double functions if not
15241 (rs6000_generate_compare): Use IBM long double compare if not
15243 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15244 (TARGET_IEEEQUAD): Define.
15245 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15246 not TARGET_IEEEQUAD.
15247 * config/rs6000/rs6000.md: Enable TFmode patterns if
15249 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15250 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15251 and -mlong-double-128 are incompatible.
15252 * doc/invoke.texi (-mabi): Collect options together. Add
15253 ibmlongdouble and ieeelongdouble.
15255 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15257 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15259 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15260 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15261 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15262 * rtl.h (rtunion_def): Remove rt_ptr.
15264 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15265 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15266 * config/i386/winnt.c (i386_pe_mark_dllexport)
15267 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15269 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15271 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15273 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15277 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15278 pthread_key_delete. From John David Anglin. gthrw-ify
15279 pthread_getunique_np only if it it's not a macro. Delete
15281 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15282 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15283 __gthread_objc_condition_signal, __gthread_key_delete): Add
15284 "__attribute__ ((__unused__))" to unused arguments.
15285 (__gthread_recursive_mutex_init_function): Add missing return.
15286 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15287 gthr-posix95.h: Use macro-based approach for name redirection
15288 on targets missing weakref.
15290 2006-01-26 Zack Weinberg <zackw@panix.com>
15292 * genconditions.c (write_header): In generated code, #ifdef out
15293 all includes and fake declarations, except includes of bconfig.h
15294 and system.h, unless GCC_VERSION >= 3001. Do not include
15295 gensupport.h in any case.
15296 (write_conditions): Generate a definition of struct c_test. Add
15297 a comment to the generated #endif.
15298 (write_one_condition): Escape backslashes in string too.
15299 (write_writer): Generated code must escape backslashes and quote
15300 marks (but not newlines) in the strings it writes.
15301 * Makefile.in (build/gencondmd.o): Update dependencies.
15303 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15306 * Makefile.in (insn-automata.o): Add header file dependencies.
15307 * genautomata.c: Add includes.
15309 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15312 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15314 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15316 * configure.ac: Expect target tools paths to be passed from the toplevel
15317 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15319 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15321 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15324 * c.opt (Wpointer-sign): Init to -1.
15325 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15326 OPT_pedantic, to 0 otherwise.
15327 * doc/invoke.texi: Update.
15329 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15331 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15332 constants provided by 80387 instructions in the destination mode.
15334 2006-01-26 Richard Guenther <rguenther@suse.de>
15335 Andrew Pinski <pinskia@physics.uc.edu>
15338 partial PR tree-opt/17064
15339 * tree-ssa-structalias.c (intra_create_variable_infos):
15340 Create heap variables for incoming parameters if
15341 flag_argument_noalias > 1.
15342 (find_what_p_points_to): Look through default defs of
15345 2006-01-26 Jeff Law <law@redhat.com>
15348 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15349 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15350 within the VR_RANGE, use the VR_RANGE as the result, not the
15352 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15353 bounds for the type.
15355 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15357 * tree-ssa-alias.c (maybe_create_global_var): Change
15358 subvar walking to an assertion that we don't have subvar'd variables.
15360 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15363 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15364 Use a new variable, inner. PARM_DECLs are always non-weak.
15366 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15368 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15369 --disable-checking.
15371 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15373 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15375 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15377 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15378 (smax_insn, smin_insn, smax_0, smin_0): New.
15380 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15383 * config/cris/cris.c (cris_order_for_addsi3): New function.
15384 * config/cris/cris-protos.h: Prototype it.
15385 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15386 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15387 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15388 (split for "op.S1 [rx=rx+i],ry (swapped)")
15389 (split for "op(s|u).S1 [rx=rx+i],ry")
15390 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15391 Apply cris_order_for_addsi3 when generating addsi3 insns.
15393 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15395 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15396 (TREE_BLOCK): Add call to EXPR_CHECK.
15398 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15401 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15402 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15403 (dump_omp_clauses): ... here.
15404 (dump_generic_node): Handle OMP_CLAUSE.
15405 * tree.c (omp_clause_num_ops): New.
15406 (omp_clause_code_name): New.
15407 (tree_code_size): Handle OMP_CLAUSE.
15408 (tree_size): Likewise.
15409 (make_node): Document handling of OMP_CLAUSE.
15410 (tree_node_structure): Handle OMP_CLAUSE.
15411 (omp_clause_check_failed): New.
15412 (omp_clause_range_check_failed): New.
15413 (omp_clause_operand_check_failed): New.
15414 (build_omp_clause): New.
15415 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15416 * tree.h (enum omp_clause_code): Declare.
15417 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15418 (OMP_CLAUSE_RANGE_CHECK): Define.
15419 (OMP_CLAUSE_ELT_CHECK): Define.
15420 (omp_clause_check_failed): Declare.
15421 (omp_clause_operand_check_failed): Declare.
15422 (omp_clause_range_check_failed): Declare.
15423 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15424 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15425 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15426 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15427 (OMP_CLAUSE_IF_EXPR): Likewise.
15428 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15429 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15430 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15431 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15432 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15433 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15434 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15435 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15436 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15437 (OMP_CLAUSE_CODE): Define.
15438 (OMP_CLAUSE_SET_CODE): Define.
15439 (OMP_CLAUSE_CODE): Define.
15440 (OMP_CLAUSE_OPERAND): Define.
15441 (struct tree_omp_clause): Declare.
15442 (union tree_node): Add field 'omp_clause'.
15443 * treestruct.def (TS_OMP_CLAUSE): Define.
15444 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15445 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15446 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15447 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15448 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15449 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15450 (OMP_CLAUSE): Define.
15451 * print-tree.c (print_node): Handle OMP_CLAUSE.
15452 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15453 * c-typeck.c: Likewise.
15454 * gimplify.c: Likewise.
15455 * c-omp.c: Likewise.
15456 * tree-nested.c: Likewise.
15457 * tree-inline.c: Likewise.
15458 * c-parser.c: Likewise.
15459 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15462 2006-01-25 Roger Sayle <roger@eyesopen.com>
15464 PR rtl-optimization/25703
15465 * combine.c (try_combine): Handle zero_extract and strict_low_part
15466 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15468 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15470 * global.c: Fix comment typos.
15472 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15475 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15476 Use output_addr_const instead of assemble_name.
15478 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15480 * Makefile.in (sched-vis.o): Update dependencies.
15481 * haifa-sched.c (sched_finish): Clear current_sched_info.
15482 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15483 (dump_flow_info): Call it.
15484 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15486 * basic-block.h (dump_bb_info): Declare.
15487 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15488 option, and apply options only for dump files whose TDF_RTL,
15489 TDF_TREE, or TDF_IPA bits match.
15490 * rtl.h: Declare new functions exported from sched-vis.c.
15491 * sched-vis.c: Enable also if scheduling is not used.
15492 (print_value): Print the mode of registers if not inside scheduling.
15493 (print_insn): Make it work outside the scheduler. Beautify the output
15495 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15497 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15499 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15500 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15501 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15502 depending on the value of CONSTANT_POOL_ADDRESS_P.
15503 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15505 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15506 rather than SYMBOL_REF_DECL.
15507 (rtx_constant_pool): Remove const_rtx_sym_htab.
15508 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15509 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15510 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15511 Remove handling of const_rtx_sym_htab.
15512 (find_pool_constant): Delete.
15513 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15514 rather than find_pool_constant.
15515 (get_pool_constant_for_function): Delete.
15516 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15517 find_pool_constant.
15518 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15519 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15520 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15521 (SYMBOL_REF_CONSTANT): New macro.
15522 (get_pool_constant_for_function): Delete.
15523 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15524 rather than SYMBOL_REF_DECL.
15525 (i386_pe_mark_dllimport): Likewise.
15526 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15527 rather than SYMBOL_REF_DECL.
15528 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15529 (machopic_indirect_call_target): Likewise.
15531 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15533 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15535 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15537 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15539 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15541 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15543 2006-01-24 David Daney <ddaney@avtrex.com>
15546 * configure.ac (enable_tls): New enable option.
15547 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15548 * configure: Regenerate.
15549 * doc/install.texi (--enable-tls): Document new option.
15550 (--disable-tls): Ditto.
15552 2006-01-24 Richard Henderson <rth@redehat.com>
15554 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15555 * alias.c (true_dependence): Respect it.
15556 (canon_true_dependence, write_dependence_p): Likewise.
15557 * builtins.c (get_builtin_sync_mem): Set it.
15559 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15561 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15564 2006-01-24 DJ Delorie <dj@redhat.com>
15566 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15567 for storing constants in single-bit bitfields.
15569 2006-01-25 Ben Elliston <bje@au.ibm.com>
15571 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15573 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15576 * tree-ssa-pre.c (phi_translate): Return NULL
15577 for AGGREGATE_TYPE's.
15579 2006-01-24 Zack Weinberg <zackw@panix.com>
15581 * genautomata.c (process_state_for_insn_equiv_partition):
15582 Use xcalloc for insn_arcs_array.
15583 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15584 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15586 2006-01-24 Richard Henderson <rth@redhat.com>
15588 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15589 update all callers.
15591 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15593 PR rtl-optimization/25890
15594 PR rtl-optimization/25905
15595 * combine.c (expand_compound_operation, expand_field_assignment):
15596 Fail if the bitfield's final position is out of bounds.
15598 2006-01-24 Ian Lance Taylor <ian@airs.com>
15600 PR middle-end/25930
15601 * cgraphunit.c (cgraph_output_in_order): Don't clear
15602 cgraph_asm_nodes until after asm strings have been output.
15604 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15606 * fix-header.c (read_scan_file): Add new parameter imultilib when
15607 calling register_include_chains.
15609 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15611 * omp-low.c: Update documentation.
15613 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15614 Daniel Berlin <dberlin@dberlin.org>
15618 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15619 return from the function.
15621 2006-01-22 Zack Weinberg <zackw@panix.com>
15623 * rtl.def (match_code): Add second argument.
15624 * genpreds.c (write_extract_subexp): New function.
15625 (write_match_code): Add path argument. Use write_extract_subexp.
15626 (write_predicate_expr): Pass path to write_match_code.
15627 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15628 not perform a mode test.
15629 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15630 a subexpression does not constrain the top-level code set.
15631 * read-rtl.c (read_rtx_variadic): New function.
15632 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15633 * doc/md.texi: Document new notation.
15634 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15635 (cmpsi_operand): ... here, using new notation.
15637 2006-01-22 Zack Weinberg <zackw@panix.com>
15639 * varray.c: Remove GENERATOR_FILE #ifdefs.
15641 2006-01-22 Zack Weinberg <zackw@panix.com>
15643 * genautomata.c (output_reserved_units_table): Emit nothing if
15644 description->query_units_num is zero. Remove extra blank line.
15645 (output_cpu_unit_reservation_p): Short circuit
15646 if description->query_units_num is zero.
15648 2006-01-22 Zack Weinberg <zackw@panix.com>
15650 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15651 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15652 nor any of the random handful of variables that used to be necessary
15653 when this program was linked with rtlanal.o. Prune set of forward
15654 function declarations.
15655 (struct attr_desc): Remove static_p field.
15656 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15657 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15658 (attr_string): Do not read the character one past the length of
15660 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15661 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15662 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15663 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15664 (make_automaton_attrs): New.
15665 (main): Do not call into genautomata. Call local gen_bypass
15666 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15667 Remove special case for insn_alts.
15668 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15669 varray.h (leftover from previous change). Prune set of forward
15670 function declarations. Remove state_alts fields from all
15671 structures. Remove state_alts_table from struct automaton.
15672 Make everything except main static. Do not maintain num_dfa_decls.
15673 Do not maintain state_alts fields of various structures.
15674 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15675 (add_arc): Remove state_alts argument. All callers updated.
15676 (output_reserved_units_table): Emit #ifdef here...
15677 (output_tables): ...not here. Don't generate state_alts tables.
15678 (expand_automata): Don't generate attributes.
15679 (write_automata): Don't generate state_alts functions.
15680 (main): New function.
15681 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15682 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15683 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15684 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15685 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15686 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15687 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15688 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15690 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15691 * genattrtab.h: Delete file.
15692 * Makefile.in (OBJS-common): Add insn-automata.o.
15693 (insn-automata.o): New rule.
15694 (simple_generated_c): Add insn-automata.c.
15695 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15696 (genprogmd): Add automata.
15697 (build/genattrtab): Needs no extra objects nor libraries.
15698 (build/genautomata): Needs build/vec.o and -lm.
15700 2006-01-22 Zack Weinberg <zackw@panix.com>
15702 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15703 (output_dfa_max_issue_rate, locked_states_num): Delete.
15704 (struct automaton): Add locked_states field.
15705 (output_dead_lock_vect): Save number of locked states in
15706 automaton->locked_states. If it is zero, don't print anything.
15707 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15708 (output_internal_dead_lock_func): Only test the dead_lock_vect
15709 for automata that have locked states.
15710 (output_statistics): Always print the number of locked states for
15711 each automaton. Calculate total number of locked states here.
15712 (write_automata): Don't call output_dfa_max_issue_rate.
15713 * genattrtab.c: Define length_unit_log as a const variable.
15714 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15715 max_insn_queue_index const.
15716 * final.c (length_unit_log): Declare const.
15717 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15719 2006-01-22 Zack Weinberg <zackw@panix.com>
15721 * genautomata.c: Include vec.h, not varray.h.
15722 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15723 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15724 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15725 VEC_* macros operating on appropriately typed vectors, or to
15726 malloced arrays when the size is known in advance. Const-ify
15727 many char* variables and function arguments. No functional changes.
15728 * Makefile.in (build/varray.o): Delete rule.
15729 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15730 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15732 2006-01-22 Zack Weinberg <zackw@panix.com>
15734 * gensupport.c: Define get_insn_name and record_insn_name here.
15735 (read_md_rtx): Call record_insn_name as appropriate.
15736 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15737 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15738 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15740 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15741 (BUILD_VARRAY): Delete.
15742 (genprognormal): Rename genprogmd. Fold in all programs from
15743 genprognoprint; also attrtab.
15744 (build/genattrtab): Just mention genautomata.o and varray.o.
15745 Reorganize a bit, add comments to make the categories clearer.
15747 2006-01-22 Zack Weinberg <zackw@panix.com>
15749 * genconditions.c (condition_table, add_condition): Delete.
15750 (write_conditions): Don't emit n_insn_conditions nor
15751 insn_elision_unavailable. Issue the gcc version #ifdef here,
15752 inside the table, with no #else clause ...
15753 (write_header): ...not here.
15754 (write_writer): New function.
15755 (main): Don't initialize condition_table. Use add_c_test.
15757 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15758 files on the command line.
15759 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15760 Return -1 if there is no entry in the table, don't abort.
15761 (add_c_test, traverse_c_tests): New functions.
15762 * gensupport.h (insn_elision_unavailable, insn_conditions)
15763 (n_insn_conditions): Delete declarations.
15764 (add_c_test, traverse_c_tests): Declare.
15765 * read-rtl.c: Include gensupport.h.
15766 (read_conditions): New function.
15767 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15768 (read_rtx_1): If we get EOF when we were looking for an initial
15769 open paren, return 0. Call read_conditions when appropriate.
15770 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15771 dummy-conditions.o. Eliminate references to insn-conditions.o,
15772 or change them to build/gencondmd.o, as appropriate. Remove
15773 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15774 from $(simple_generated_c). For all files remaining in those
15775 two lists, add insn-conditions.md to the generator command line.
15776 Give insn-constants.h/s-constants their own rules. Add rules
15777 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15778 (build/read-rtl.o): Depend on gensupport.h.
15779 (genprognormal): Include preds.
15780 (genprogearly): Rename genprognoprint; only difference is now that
15781 they don't link with $(BUILD_PRINT).
15782 * dummy-conditions.c: Delete.
15784 2006-01-22 Zack Weinberg <zackw@panix.com>
15786 * genextract.c: Don't include insn-config.h. Do include vec.h.
15787 Declare vectors of int, char, and locstr.
15788 (locstr): New typedef.
15789 (struct extraction): Make all array fields into bare pointers.
15790 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15791 (insn_code_number): Delete.
15792 (accum_extract): New struct.
15793 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15794 (gen_insn): Take insn_code_number as an argument. Use an
15795 accum_extract structure instead of loading data directly into
15796 a struct extraction, and having to know how big it might get.
15797 (walk_rtx): Operate entirely on an accum_extract structure.
15798 (print_path): Avoid unnecessary use of printf.
15799 (print_header): New function, split out of main. Distinguish
15800 more carefully between an unrecognizable insn and an insn that
15801 has the code number of a define_expand.
15802 (main): Pass insn_code_number to gen_insn. Call print_header
15803 only after parsing. Avoid unnecessary use of printf.
15804 * Makefile.in (build/vec.o): New rule.
15805 (build/genextract): Depend on build/vec.o.
15806 (build/genextract.o): Don't depend on insn-config.h.
15808 2006-01-22 Zack Weinberg <zackw@panix.com>
15810 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15811 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15812 practical. Eliminate per-generator-program link rules.
15814 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15816 PR middle-end/24437
15817 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15818 with a call expr to ...
15819 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15821 2006-01-23 Richard Guenther <rguenther@suse.de>
15823 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15824 before make_edge with conditional EDGE_TRUE_VALUE.
15826 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15827 Jan Hubicka <jh@suse.cz>
15828 Richard Guenther <rguenther@suse.de>
15830 PR rtl-optimization/25654
15831 * cfgexpand.c (aggregate_contains_union_type): New function.
15832 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15833 for structure variables that contain a union type.
15835 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15837 * gengtype.c (new_structure): Return the structure.
15838 (create_option): Add an extra "next" argument.
15839 (create_field): New function.
15840 (adjust_field_rtx_def): Use create_option and create_field.
15841 Remove a now-unnecessary call to find_structure.
15842 (adjust_field_tree_def): Likewise.
15843 (note_yacc_type): Remove an unnecessary call to find_structure.
15844 * gengtype.h (new_structure): Return the structure.
15845 (create_option): Add an extra argument.
15846 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15847 (option): Adjust calls to create_option.
15849 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15851 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15853 2006-01-22 Paul Brook <paul@codesourcery.com>
15854 Peter Barada <peter@the-baradas.com>
15856 * config/m68k/m68k.md: Add Coldfire FPU support.
15857 Define FP mode macro and associated attributes.
15858 Use it for float mode patterns.
15859 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15860 (LIBCALL_VALUE): Use m68k_libcall_value.
15861 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15862 (m68k_function_value): Ditto.
15863 (emit_move_sequence): Ditto.
15864 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15865 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15866 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15867 (MULTILIB_EXCEPTIONS): Ditto.
15868 * config/m68k/m68k.opt: Add mcfv4e.
15869 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15870 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15871 (m68k_output_function_prologue): Save ColdFire FPU registers.
15872 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15873 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15874 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15875 ColdFire FPU registers.
15876 (m68k_libcall_value, m68k_function_value): New functions.
15877 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15878 (LIBCALL_VALUE): Use m68k_libcall_value.
15879 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15880 (MASK_COLDFIRE): Add MASK_CFV4E.
15881 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15882 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15883 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15884 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15885 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15886 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15887 * doc/invoke.tex: Document -mcfv4e on m68k.
15889 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15891 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15894 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15897 * c-opts.c (c_common_handle_option): Don't include
15898 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15899 * doc/invoke.texi (C++ Dialect Options): Document that
15900 -Wnon-virtual-dtor is no longer included in -Wall.
15902 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15904 * gcov.c (print_version), gcov-dump.c (print_version),
15905 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15908 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15910 * df-scan.c (problem_SCAN): Added NULL reset function.
15911 (df_scan_reset_blocks): Added code to call reset block function
15912 (df_bb_refs_delete) Fixed comment.
15913 (df_insn_refs_delete): Made tolerant of deleting non existent info
15914 for dataflow problems that need to be reset.
15915 * df-core.c (df_set_blocks): Ditto.
15916 * df.h (struct df_problem): Added reset_fun.
15917 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15918 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15919 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15920 functions to clear out all references to def-use or use-def chains.
15922 2006-01-21 Ben Elliston <bje@au.ibm.com>
15924 * varasm.c (assemble_real): Initialise data array.
15926 2006-01-20 Paul Brook <paul@codesourcery.com>
15928 Merge from csl-arm-branch.
15929 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15930 * config/arm/arm.md (movdi): Force operands[1] to a register
15931 if we have a non-register source.
15932 (*arm_movdi, *movdf_soft_insn): Require that one of the
15933 operands be a register.
15934 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15935 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15937 2006-01-20 DJ Delorie <dj@redhat.com>
15939 * varasm.c (initializer_constant_valid_p): Allow pointers
15940 initialized from integer constants of lesser precision.
15941 (output_constant): Allow non-int-sized pointer modes to be
15942 initialized from integer constants.
15944 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15947 * cppdefault.h (struct default_include): Add multilib flag.
15948 * cppdefault.c (cpp_include_defaults): Set it.
15949 * c.opt (-imultilib): New option.
15950 * c-opts.c (imultilib): New.
15951 (c_common_handle_option): Handle -imultilib.
15952 (c_common_post_options): Likewise.
15953 * c-incpath.c (add_standard_paths, register_include_chains):
15955 * c-incpath.h (register_include_chains): Add extra parameter.
15956 * gcc.c (do_spec_1): Generate -imultilib option.
15957 (The Specs Language): Update %I description.
15958 (process_command): Update copyright notice.
15959 * doc/cppopts.texi (-imultilib): Document.
15960 * doc/invoke.texi (-imultilib): Include in option summary.
15961 (%I): Update specs documentation.
15963 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15965 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15967 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15969 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15972 2006-01-20 Richard Guenther <rguenther@suse.de>
15973 Steven Bosscher <stevenb.gcc@gmail.com>
15975 PR rtl-optimization/24626
15976 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15977 EDGE_TRUE_VALUE if in RTL mode.
15980 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15981 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15983 2006-01-20 Dirk Mueller <dmueller@suse.com>
15986 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15987 instead of a special NOP marker.
15988 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15989 NOP marker handling.
15990 * c-common.h (empty_body_warning): Add forward declaration.
15991 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15992 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15994 2006-01-20 Paul Brook <paul@codesourcery.com>
15996 * Makefile.in (lang_checks): Keep going if mkdir fails.
15998 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16000 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16001 be able to clean out basic block when not necessary.
16002 (df_scan_free): Fixed to properly delete information if df is
16003 unused before calling df_finish.
16004 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16005 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16007 (df_bb_refs_delete): New function.
16008 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16009 * df-core.c (df_set_blocks): Added code to properly clean out
16010 unused blocks if they are not part of the blocks to consider.
16011 Added additional null check.
16012 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16013 be able to clean out basic block when not necessary
16014 * df.h (df_free_bb_function): Ditto.
16015 (df_bb_refs_delete): New function.
16016 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16017 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16018 basic block parameter to be able to clean out basic block when not
16020 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16021 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16022 Fixed to properly delete information if df is unused before
16025 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16027 PR rtl-optimization/25799
16028 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16029 Corrected confluence operator to remove bits from op2 before oring
16030 with op1 rather than removing bits from op1.
16031 (df_ru_transfer_function): Corrected test on wrong bitmap which
16032 caused infinite loop. Both of these problems were introduced in
16033 the dataflow rewrite.
16035 2006-01-19 DJ Delorie <dj@redhat.com>
16037 * reload1.c (find_reload_regs): Note the details of reload
16038 failures in the dump file.
16039 (spill_failure): Likewise.
16041 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16043 * loop-iv.c: Include df.h and hashtab.h.
16044 (enum iv_grd_result): New enum.
16045 (DF_REF_IV, DF_REF_IV_SET): New macros.
16046 (struct biv_entry): New.
16047 (df, bivs): New global variables.
16048 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16049 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16051 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16052 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16053 analyzed_for_bivness_p, record_biv): New functions.
16054 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16055 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16056 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16058 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16060 (iv_number_of_iterations): Use new interface to iv analysis.
16061 * loop-unroll.c: Do not include varray.h.
16062 (analyze_iv_to_split_insn): Use new interface to iv
16064 * loop-unswitch.c (may_unswitch_on): Ditto.
16065 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16067 (df_bb_modify): Realloc tables to the new index.
16068 (df_find_use): New function.
16069 * df.h (df_find_use): Declare.
16070 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16072 * cfgloop.h (struct rtx_iv): Remove analysed field.
16073 (iv_get_reaching_def): Removed.
16074 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16075 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16076 (loop-iv.o): Add df.h and hashtab.h dependency.
16077 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16079 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16082 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16084 (__floatundisf, __floatundidf): Likewise.
16085 * libgcc2.h (IS_IBM_EXTENDED): Define.
16087 2006-01-19 DJ Delorie <dj@redhat.com>
16089 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16091 2006-01-19 Paul Brook <paul@codesourcery.com>
16093 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16094 as nothrow when unwinding tables are disabled.
16096 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16099 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16100 of bit-field" when in system header.
16102 2006-01-19 DJ Delorie <dj@redhat.com>
16104 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16105 the 16 bit shift limit of the m16c.
16107 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16110 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16111 * config/i386/i386.c (output_set_got): Output the label if we have one
16112 for the TARGET_DEEP_BRANCH_PREDICTION case.
16114 2006-01-19 Jan Hubicka <jh@suse.cz>
16115 H.J. Lu <hongjiu.lu@intel.com>
16116 Evandro Menezes <evandro.menezes@amd.com>
16118 * invoke.texi (generic): Document
16120 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16121 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16122 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16123 (x86_use_incdec, x86_pad_returns): New variables
16124 (TARGET_CPU_DEFAULT_generic): New constant
16125 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16126 (enum processor_type): Add generic32 and generic64.
16127 * i386.md (cpu attribute): Add generic32/generic64
16128 (movhi splitter): Behave sanely when both partial_reg_dependency and
16129 partial_reg_stall are set.
16130 (K8 splitters): Enable for generic as well.
16131 * predicates.md (incdec_operand): Use TARGET_INCDEC
16132 (aligned_operand): Avoid memory mismatch stalls.
16133 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16134 * ppro.md: Enable for generic32
16135 * i386.c (generic64_cost, generic32_cost): New.
16136 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16137 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16138 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16139 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16140 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16141 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16142 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16143 x86_accumulate_outgoing_args, x86_prologue_using_move,
16144 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16145 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16146 Enable for generic.
16147 (x86_use_incdec, x86_pad_returns): New.
16148 (override_options): Add generic32 and generic64, translate "generic"
16149 to generic32/generic64 and "i686" to "generic32", refuse
16150 "generic32"/"generic64" as arch target.
16151 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16152 (ix86_reorg): Honor PAD_RETURNS.
16154 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16156 * tree-pretty-print.c (dump_generic_node): Handle
16157 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16158 * cgraph.c (cgraph_expand_queue): Rename from
16159 cgraph_analyze_queue. Update all users.
16160 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16161 cgraph_expand_queue.
16162 (cgraph_expand_all_functions): Likewise.
16163 (cgraph_finalize_pending_functions): Remove. Update callers.
16165 * tree.h (OMP_DIRECTIVE_P): Define.
16166 (OMP_PARALLEL_FN): Define.
16167 (OMP_PARALLEL_DATA_ARG): Define.
16168 (OMP_SECTIONS_SECTIONS): Define.
16169 * tree-pass.h (pass_expand_omp): Declare.
16170 * omp-low.c (struct omp_region): Declare.
16171 (struct omp_context): Remove fields 'parallel_type',
16172 'parallel_start_ix' and 'parallel_start_additional_args'.
16174 (struct omp_for_data): Rename from struct expand_omp_for_data.
16175 (omp_regions): New static variable.
16176 (root_omp_region): New static variable.
16177 (find_omp_clause): Make static.
16178 (is_in_combined_parallel_ctx): Remove.
16179 (is_combined_parallel): New.
16180 (extract_omp_for_data): Move earlier in the file.
16181 (workshare_safe_to_combine_p): New.
16182 (get_ws_args_for): New.
16183 (determine_parallel_type): Move earlier in the file.
16184 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16186 (omp_copy_decl): Likewise.
16187 (create_omp_child_function): Likewise.
16188 (lookup_omp_region): New.
16189 (dump_omp_region): New.
16190 (debug_omp_region): New.
16191 (debug_all_omp_regions): New.
16192 (new_omp_region): New.
16193 (scan_omp_parallel): If parallel_nesting_level > 1, the
16194 directive is nested within another parallel directive.
16195 Set OMP_PARALLEL_FN.
16196 (scan_omp_for): Do not try to handle combined parallel+for
16198 Remove FIXME comment.
16199 (scan_omp_nested): Remove.
16200 (scan_omp_1): Do not call scan_omp_nested when
16201 parallel_nesting_level is > 1.
16202 Do not change the DECL_CONTEXT of local variables found.
16203 (lookup_decl_in_outer_ctx): New.
16204 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16205 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16206 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16207 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16208 If CTX is nested, lookup VAR in the outer context when
16209 building copy assignment.
16210 (lower_send_clauses): Rename from expand_send_clauses.
16211 If CTX is nested, lookup VAR in the outer context when
16212 building copy assignments.
16213 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16214 If CTX is nested, lookup VAR in the outer context when
16215 building copy assignments.
16216 (expand_parallel_call): Rename from build_parallel_call.
16217 Handle combined parallel+workshare cases.
16218 Re-implement to emit code into the CFG.
16220 (expand_omp_parallel): Re-implement to emit code into the CFG.
16221 Call move_sese_region_to_fn to outline the sub-graph
16222 containing the parallel region.
16223 (expand_omp_for_1): Remove.
16224 (expand_omp_for_generic): Re-implement to emit code into the
16226 (expand_omp_for_static_nochunk): Likewise.
16227 (expand_omp_for_static_chunk): Likewise.
16228 (expand_omp_for): Likewise.
16229 (expand_omp_sections): Likewise.
16230 (remove_exit_barriers): New.
16231 (expand_omp_synch): New.
16233 (build_omp_regions_1): New.
16234 (build_omp_regions): New.
16235 (execute_expand_omp): New.
16236 (gate_expand_omp): New.
16237 (pass_expand_omp): Define.
16238 (lower_omp_sections): Rename from expand_omp_sections.
16239 Set OMP_SECTIONS_SECTIONS.
16240 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16241 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16242 (lower_omp_single): Rename from expand_omp_simple.
16243 (lower_omp_master): Rename from expand_omp_master.
16244 (lower_omp_ordered): Rename from expand_omp_ordered.
16245 (lower_omp_critical): Rename from expand_omp_critical.
16246 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16247 (lower_omp_for): Re-implement.
16248 (lower_omp_parallel): Re-implement.
16249 (lower_regimplify): Rename from expand_regimplify.
16250 (lower_omp_1): Rename from expand_omp_1.
16251 If there are syntax errors in the program, replace every
16252 OpenMP directive with NOP.
16253 Call lower_omp_* instead of expand_omp_*.
16254 (lower_omp): Rename from expand_omp.
16256 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16257 * tree-gimple.h (enum omp_parallel_type): Remove.
16258 (gimple_boolify): Declare extern.
16259 (find_omp_clause, determine_parallel_type): Remove.
16261 * gimple-low.c (lower_omp_directive): New.
16262 (lower_stmt): Call it.
16263 (record_vars_into): Move from ...
16264 (record_vars): ... here.
16265 Call record_vars_into with current_function_decl.
16267 * gimplify.c (struct gimplify_ctx): Remove fields
16268 combined_pre_p and combined_ctxp. Update users.
16269 (get_formal_tmp_var): Add documentation.
16270 (gimple_boolify): Make extern.
16271 (gimplify_expr_in_ctx): Remove. Update callers.
16272 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16273 will always be a BIND_EXPR.
16274 (gimplify_expr): Handle OMP_RETURN_EXPR.
16275 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16276 (OMP_PARALLEL): Add 3 operands.
16277 (OMP_SECTIONS): Add 1 operand.
16278 (OMP_RETURN_EXPR): Define.
16280 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16281 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16282 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16283 creating a circular free list.
16284 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16286 * tree-flow.h (move_sese_region_to_fn): Declare.
16287 (record_vars_into): Declare.
16288 * tree-cfg.c (make_omp_sections_edges): New.
16289 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16290 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16291 OMP_SECTIONS and OMP_SECTION.
16292 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16293 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16294 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16295 (gather_blocks_in_sese_region): New.
16296 (struct move_stmt_d): Declare.
16297 (move_stmt_r): New.
16298 (move_block_to_fn): New.
16299 (move_sese_region_to_fn): New.
16301 * passes.c (init_optimization_passes): Schedule
16302 pass_expand_omp after pass_init_datastructures.
16304 * tree-ssa-operands.c (get_expr_operands): Handle
16305 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16306 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16308 2006-01-19 Jeff Law <law@redhat.com>
16310 * tree-vrp.c (extract_range_from_assert): Refine the result range
16311 if the variable referenced by the ASSERT_EXPR has a range and
16312 either the tentative result range or the previous range is a
16315 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16317 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16319 2006-01-19 Jan Hubicka <jh@suse.cz>
16321 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16323 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16325 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16326 (expand_compound_operation, expand_field_assignment): Fail if the
16327 bit lengths of an extract operation are out of range.
16328 (make_extraction): Compute wanted_inner_mode based on the position
16329 and length of the extraction. Make it extraction_mode for non-constant
16330 positions, and do not modify offset in that case. When generating a
16331 new MEM, use a mode that can hold the extraction while keeping correct
16332 alignment. Remove code that supported MEMs wrapped by USEs.
16333 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16335 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16337 * config/s390/s390.md ("Y", "y"): New mode attribute.
16338 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16339 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16340 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16341 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16342 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16343 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16344 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16345 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16346 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16347 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16348 "addsi3", "subsi3"): Insn patterns removed.
16349 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16350 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16351 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16352 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16353 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16354 "*sub<mode>3_cconly2"): New insn patterns.
16355 ("addsi3", "subsi3"): New expanders.
16357 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16359 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16360 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16361 existing STMT_VINFO_VECTYPE if available.
16362 (vect_mark_relevant): Add special handling for stmts that are
16363 marked as STMT_VINFO_IN_PATTERN_P.
16364 (vect_analyze_loop): Call vect_pattern_recog.
16365 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16366 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16368 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16369 (vect_recog_func_ptr): New function-pointer type.
16370 * tree-vect-patterns.c: New file.
16371 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16372 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16373 (vect_pattern_recog_1): New functions.
16374 (vect_pattern_recog_funcs): New array of function pointers.
16376 * tree-vectorizer.h (ternary_op): New enum value.
16377 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16378 declaration. Revised documentation. Removed redundant dump prints.
16379 Removed redundant argument. Added support for reduction patterns.
16380 (vectorizable_reduction): Added support for reduction patterns.
16381 (vect_transform_stmt): Added support for patterns.
16383 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16384 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16385 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16386 (expand_widen_pattern_expr): New function.
16387 (init_optabs): Initialize new optabs udot_prod_optab,
16389 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16390 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16391 (expand_widen_pattern_expr): New function declaration.
16392 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16394 * tree-inline.c (estimate_num_insns_1): Added cases for new
16395 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16396 * tree-pretty-print.c (dump_generic_node): Likewise.
16397 (op_prio): Likewise.
16398 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16399 * tree-ssa-operands.c (get_expr_operands): Added case for
16401 * tree-vect-patterns.c (widened_name_p): New function.
16402 (vect_recog_dot_prod_pattern): Added function implementation.
16403 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16404 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16405 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16406 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16408 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16409 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16410 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16411 (init_optabs): Initialize new optabs widen_ssum_optab,
16413 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16414 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16415 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16416 use instead of type of def.
16417 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16418 function implementation.
16419 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16420 widen_ssumv8hi): New.
16422 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16425 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16428 * c-decl.c (add_flexible_array_elts_to_size): New function.
16429 (finish_decl): Use it.
16431 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16433 * diagnostic.h: Include options.h.
16434 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16435 dependancies for diagnostic.h.
16436 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16438 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16440 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16441 (ssa_ro_call_cache_valid): Ditto.
16442 * tree-ssa-alias.c (sort_tags_by_id): New function.
16443 (init_transitive_clobber_worklist): Ditto.
16444 (add_to_worklist): Ditto.
16445 (mark_aliases_call_clobbered): Ditto.
16446 (compute_tag_properties): Ditto.
16447 (set_initial_properties): Ditto.
16448 (compute_call_clobbered): Ditto.
16449 (compute_may_aliases): Call compute_call_clobbered and grouping.
16450 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16451 (compute_flow_insensitive_aliasing): Grouping now happens in our
16453 (setup_pointers_and_addressables): Remove clobbering related code.
16454 (add_may_alias): Ditto.
16455 (replace_may_alias): Ditto.
16456 (get_nmt_for): Ditto.
16457 (create_global_var):
16458 (is_escape_site): Return an escape_type enumeration.
16459 * tree-flow-inline.h (is_call_clobbered): Global var does not
16460 imply call clobbered.
16461 (mark_call_clobbered): Take a reason for marking this. Remove
16462 marking of globalness, and cache invalidation.
16463 (clear_call_clobbered): Remove cache invalidation code.
16464 * tree-dfa.c (dump_variable): If details is on, dump the reason
16466 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16468 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16469 (struct var_ann_d): Ditto.
16470 (enum escape_type): New.
16471 (mark_call_clobbered): Adjust prototype.
16472 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16473 are never call clobbered.
16474 Record reasons for escaping.
16475 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16476 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16477 (ssa_ro_call_cache_valid): Ditto.
16478 (clobbered_v_may_defs): Ditto.
16479 (clobbered_vuses): Ditto.
16480 (ro_call_vuses): Ditto.
16481 (clobber_stats): New.
16482 (init_ssa_operands): Zero out clobber stats.
16483 (fini_ssa_operands): Print out clobber stats.
16484 (get_call_expr_operands): Pass callee fndecl to
16485 add_call_read_ops).
16486 (add_call_clobber_ops): Remove use of cache.
16487 Add use of PURE_CONST information.
16488 (add_call_read_ops): Remove use of cache.
16489 Add use of static not_read information.
16491 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16493 Introduce TLS descriptors for i386 and x86_64.
16494 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16495 (TARGET_ANY_GNU_TLS): New macro.
16496 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16497 (struct machine_function): Add tls_descriptor_call_expanded_p.
16498 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16499 (ix86_current_function_calls_tls_descriptor): Likewise.
16500 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16501 (override_options): Introduce gnu2 tls dialect.
16502 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16504 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16506 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16507 (ix86_init_machine_status): Initialize new field.
16508 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16509 (ix86_tls_module_base): New.
16510 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16511 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16512 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16513 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16514 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16515 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16516 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16517 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16518 * config/i386/predicates.md (tls_modbase_operand): New.
16519 (tp_or_register_operand): New.
16521 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16523 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16524 (look_for_address_of): Ditto.
16525 (ipa_init): Walk the function decls.
16526 (static_execute): Don't set readonly on FUNCTION_DECL's.
16528 2006-01-18 Roger Sayle <roger@eyesopen.com>
16530 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16531 for shifts where the source and destination registers are different.
16533 2006-01-18 Paul Brook <paul@codesourcery.com>
16535 Merge from csl-arm-branch.
16536 2005-03-14 Julian Brown <julian@codesourcery.com>
16537 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16538 (aeabi_llsl): Likewise.
16539 (ashrdi3): Likewise.
16540 (aeabi_lasr): Likewise.
16541 (lshrdi3): Likewise.
16542 (aeabi_llsr): Likewise.
16543 2005-03-10 Julian Brown <julian@codesourcery.com>
16544 * config.gcc: Disable shared libgcc for SymbianOS.
16545 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16547 2006-01-18 DJ Delorie <dj@redhat.com>
16549 * c-pragma.c (handle_pragma_diagnostic): New.
16550 (init_pragma): Register it.
16551 * doc/extend.texi: Document it.
16553 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16554 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16555 (diagnostic_context): Add classify_diagnostic[].
16556 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16557 as errors if they're overridden to DK_WARNING.
16558 (diagnostic_initialize): Initialize classify_diagnostic[].
16559 (diagnostic_set_kind_override): New.
16560 (diagnostic_report_diagnostic): Check for kind changes.
16561 * opts.c (common_handle_option): Take lang_mask. Update callers.
16562 Handle OPT_Werror_.
16563 * common.opt (Werror=): New.
16564 * doc/invoke.texi: Document -Werror=*
16566 2006-01-18 Jeff Law <law@redhat.com>
16568 * tree-vrp.c (test_for_singularity): Correct test for new
16569 min limit. Use operand_equal_p rather than pointer equality
16570 for testing if new min/max values are equal.
16572 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16573 using range information until after propagation and folding.
16575 2006-01-18 Richard Henderson <rth@redhat.com>
16576 Aldy Hernandez <aldyh@redhat.com>
16577 Jakub Jelinek <jakub@redhat.com>
16578 Diego Novillo <dnovillo@redhat.com>
16580 * omp-low.c: New file.
16581 * c-omp.c: New file.
16583 2006-01-18 Richard Henderson <rth@redhat.com>
16584 Jakub Jelinek <jakub@redhat.com>
16585 Diego Novillo <dnovillo@redhat.com>
16587 * doc/invoke.texi: Document -fopenmp.
16588 * tree-dump.h (debug_function): Declare.
16589 * hooks.c (hook_bool_tree_bool_false): New function.
16590 (hook_tree_tree_null): Remove.
16591 (hook_tree_tree_tree_null): New.
16592 * hooks.h: Update to match.
16593 * tree-pretty-print.c (debug_tree_chain): New.
16594 (print_generic_expr): Handle TDF_CHAIN.
16595 (dump_generic_node): Handle BLOCK.
16596 Do not abort with incomplete SWITCH_EXPRs.
16597 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16598 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16599 print space after directive name.
16600 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16601 Handle OMP_MASTER and OMP_ORDERED.
16602 Handle printing of OMP_BODY just in one place, goto
16603 dump_omp_body in the rest of OMP_* nodes that have
16605 Don't handle clause nodes here. Update omp statements to
16606 use dump_omp_clauses.
16607 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16608 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16609 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16610 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16611 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16612 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16613 Adjust output for GOMP_PARALLEL.
16614 (dump_omp_clauses): New.
16615 (print_declaration): Dump DECL_VALUE_EXPR.
16616 (op_symbol_1): Split out of op_symbol.
16617 (dumping_stmts): Remove. Update all users.
16618 * cgraph.c (cgraph_analyze_queue): New.
16619 (cgraph_add_new_function): New.
16620 * cgraph.h (cgraph_analyze_queue): Declare.
16621 (cgraph_add_new_function): Declare.
16622 (cgraph_lower_function): Remove.
16623 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16624 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16625 and TYPE_P nodes in its default clause.
16626 (empty_body_p): New.
16627 (tree_range_check_failed): New.
16628 (build5_stat): New.
16629 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16630 OMP_CLAUSE_REDUCTION_MERGE,
16631 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16632 OMP_CLAUSE_PRIVATE_DEBUG,
16633 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16634 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16635 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16636 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16637 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16638 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16639 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16640 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16641 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16642 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16643 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16644 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16645 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16646 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16647 (TREE_RANGE_CHECK): New.
16648 (empty_body_p): Declare.
16649 (enum omp_clause_default_kind): New.
16650 (build_string_literal): Declare.
16651 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16652 (build5_stat, build5): Declare.
16653 * tree-pass.h (TDF_CHAIN): Define.
16654 * tree-pass.h (PROP_gimple_lomp): Define.
16655 (pass_lower_omp): Declare.
16656 * diagnostic.h (debug_tree_chain): Declare.
16657 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16659 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16660 * builtins.c (build_string_literal): Make extern.
16661 * gcc.c (include_spec_function): New.
16662 (static_spec_functions): Add it.
16663 (main): Move load of libgomp.spec ...
16664 (LINK_COMMAND_SPEC): ... here.
16665 (link_gomp_spec): New.
16666 (static_specs): Include it.
16667 (LINK_COMMAND_SPEC): Add link_gomp.
16668 (GOMP_SELF_SPECS): New.
16669 (driver_self_specs): Include it.
16670 (switch_matches): Don't mark inline.
16671 (main): Load libgomp.spec.
16672 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16673 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16674 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16675 * tree-gimple.h (enum omp_parallel): Declare.
16676 (determine_parallel_type): Declare.
16677 (omp_firstprivatize_variable): Declare.
16678 (omp_reduction_init): Declare.
16679 (diagnose_omp_structured_block_errors): Declare.
16680 (struct walk_stmt_info): Add want_return_expr.
16681 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16682 (find_omp_clause): Declare.
16683 (insert_field_into_struct): Declare.
16684 (struct walk_stmt_info): Move from tree-nested.c
16685 (walk_stmts): Declare.
16686 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16688 * cgraphunit.c (cgraph_lower_function): Make static.
16689 (cgraph_finalize_pending_functions): New.
16690 (cgraph_finalize_function): Call it.
16691 (cgraph_finalize_compilation_unit): Likewise.
16692 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16693 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16694 (BT_FN_UINT_UINT): New.
16695 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16696 DEF_FUNCTION_TYPE_VAR_4): Document.
16697 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16698 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16699 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16700 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16701 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16702 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16703 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16704 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16705 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16706 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16707 into separate files.
16708 (DEF_GOMP_BUILTIN): New.
16709 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16710 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16711 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16712 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16713 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16714 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16715 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16716 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16717 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16718 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16719 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16720 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16721 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16722 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16723 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16724 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16725 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16726 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16727 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16728 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16729 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16730 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16731 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16732 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16733 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16734 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16735 * sync-builtins.def: New file, moved from builtins.def.
16736 * omp-builtins.def: New file, moved from builtins.def.
16737 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16738 * gimple-low.c (lower_function_body): Clear data.
16739 (lower_stmt): Do not handle COMPOUND_EXPR.
16740 Remove call to print_node_brief.
16741 * c-tree.h (c_finish_omp_clauses): New prototype.
16742 (C_DECL_THREADPRIVATE_P): Define.
16743 (lookup_name_no_remap, c_omp_remap_private): Remove
16744 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16745 (check_for_loop_decls): Update decl.
16746 (lookup_name_no_remap, c_omp_remap_private): Declare.
16747 (build_indirect_ref, build_modify_expr, pushdecl,
16748 pushdecl_top_level): Move to c-common.h.
16749 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16750 before the switch, but just in the 2 places that need it.
16751 * c-decl.c (diagnose_mismatched_decls): Do not check for
16752 mismatched thread-local attributes when OLDDECL is marked
16753 threadprivate and NEWDECL has no thread-local attributes.
16754 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16755 (c_gimple_diagnostics_recursively): Rename from
16756 c_warn_unused_result_recursively. Invoke
16757 diagnose_omp_structured_block_errors.
16758 (check_for_loop_decls): Return a singular decl found.
16759 * langhooks.c (lhd_omp_predetermined_sharing): Return
16760 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16761 (lhd_omp_firstprivatize_type_sizes): New.
16762 (lhd_omp_assignment): New.
16763 (lhd_omp_predetermined_sharing): New.
16764 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16765 (struct lang_hooks_for_types): Add
16766 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16767 omp_predetermined_sharing, omp_disregard_value_expr,
16768 omp_private_debug_clause, omp_clause_default_ctor,
16769 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16770 (c_finish_omp_clauses): New.
16771 (c_finish_bc_stmt): Diagnose break within omp for.
16772 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16773 (build_unary_op): Return error_mark after reporting
16775 (build_modify_expr): Likewise.
16776 * gimplify.c: Include optabs.h and pointer-set.h.
16777 (enum gimplify_omp_var_data): Declare.
16778 (struct gimplify_omp_ctx): Declare.
16779 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16781 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16782 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16783 (splay_tree_compare_decl_uid): New.
16784 (new_omp_context): New.
16785 (delete_omp_context): New.
16786 (gimple_add_tmp_var): Call omp_add_variable.
16787 (gimplify_bind_expr): Likewise.
16788 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16789 true, disregard DECL_VALUE_EXPR on the decl if any.
16790 (gimplify_expr_in_ctx): New.
16791 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16792 omp_add_variable, omp_notice_variable, omp_is_private
16793 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16794 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16795 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16796 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16797 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16798 gimplify_omp_atomic): New.
16799 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16800 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16801 OMP_CRITICAL and OMP_ATOMIC.
16802 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16803 * c-pragma.h (enum pragma_kind): Add
16804 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16805 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16806 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16807 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16808 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16809 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16810 PRAGMA_OMP_THREADPRIVATE.
16811 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16812 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16813 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16814 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16815 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16816 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16817 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16818 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16819 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16820 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16821 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16822 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16823 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16825 (struct nesting_info): Add field_map,
16826 suppress_expansion, debug_var_chain.
16827 (create_nesting_tree): Initialize them.
16828 (lookup_field_for_decl): Use field_map.
16829 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16830 (convert_local_omp_clauses): New.
16831 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16832 (walk_body): Split out of walk_function.
16833 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16834 (convert_nonlocal_reference): Handle omp statements.
16835 (convert_local_reference): Likewise.
16836 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16837 (unnest_nesting_tree): New.
16838 (lower_nested_functions): Call it.
16839 (insert_field_into_struct): Make extern.
16840 (struct walk_stmt_info): Move to tree-gimple.h.
16841 (walk_stmts): Make extern.
16842 * omp-builtins.def: New file.
16843 * tree-iterator.c (expr_only): Clarify comment.
16844 * c-common.h (pushdecl_top_level, pushdecl,
16845 build_modify_expr, build_indirect_ref,
16846 c_finish_omp_master, c_finish_omp_critical,
16847 c_finish_omp_ordered, c_finish_omp_barrier,
16848 c_finish_omp_atomic, c_finish_omp_flush,
16849 c_finish_omp_for, c_split_parallel_clauses,
16850 omp_clause_default_kind, c_omp_sharing_predetermined,
16851 c_omp_remap_decl): Declare.
16852 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16853 (OBJS-common): Add omp-low.o.
16854 (c-omp.o, omp-low.o): Add.
16855 (gimplify.o): Add dependency on $(OPTABS_H).
16856 (GTFILES): Add omp-low.c.
16857 (gt-stringpool.h): Add.
16858 * tree-cfg.c (set_bb_for_stmt): Do not update the
16859 block-to-labels map if we are currently expanding to RTL.
16860 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16862 Handle IDENTIFIER_NODE.
16863 (tree_verify_flow_info): Do not ICE when emitting error
16864 messages about invalid labels.
16865 (dump_function_to_file): Reset CFUN before emitting the body
16867 (debug_function): New.
16868 * passes.c (init_optimization_passes): Schedule
16870 * langhooks-def.h (lhd_omp_predetermined_sharing,
16871 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16873 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16874 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16875 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16876 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16877 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16878 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16879 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16880 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16881 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16882 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16883 (LANG_HOOK_DECLS): Use them.
16885 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16886 Richard Henderson <rth@redhat.com>
16887 Jakub Jelinek <jakub@redhat.com>
16888 Diego Novillo <dnovillo@redhat.com>
16890 * c-parser.c (pragma_omp_clause): Define.
16891 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16892 (c_parser_compound_statement): Likewise.
16893 (c_parser_statement): Likewise.
16894 (c_parser_pragma): Handle omp pragmas.
16895 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16896 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16897 (c_parser_omp_clause_name, check_no_duplicate_clause,
16898 c_parser_omp_variable_list,
16899 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16900 c_parser_omp_clause_copyprivate,
16901 c_parser_omp_clause_default,
16902 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16903 c_parser_omp_clause_lastprivate,
16904 c_parser_omp_clause_nowait,
16905 c_parser_omp_clause_num_threads,
16906 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16907 c_parser_omp_clause_reduction,
16908 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16909 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16910 c_parser_omp_atomic, c_parser_omp_barrier,
16911 c_parser_omp_critical, c_parser_omp_flush,
16912 c_parser_omp_for_loop, c_parser_omp_for,
16913 c_parser_omp_master, c_parser_omp_ordered,
16914 c_parser_omp_sections_scope, c_parser_omp_sections,
16915 c_parser_omp_parallel, c_parser_omp_single,
16916 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16917 * c-pragma.c (init_pragma): Do omp pragma registration here.
16918 * c.opt (fopenmp): New flag.
16920 2006-01-18 Eric Christopher <echristo@apple.com>
16922 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16923 * config/darwin.h (GOMP_SELF_SPECS): Define.
16925 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16927 * rtl.h: Remove the prototype for reg_alloc.
16929 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16932 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16933 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16934 sjlj and dwarf2 exception handling.
16935 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16936 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16937 * pa/pa.c (function_value): Treat complex and vector types as
16939 (function_arg): Likewise. Only pass scalar floats in the floating
16940 point argument registers.
16941 * pa/t-slibgcc-dwarf-ver: New file.
16942 * pa/t-slibgcc-sjlj-ver: New file.
16943 * pa/t-slibgcc-elf-ver: Delete file.
16945 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16947 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16948 unlikely_test_section_p test.
16950 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16952 * mode-switching.c (optimize_mode_switching): Make it static.
16953 * basic-block.h: Remove the prototype for
16954 optimize_mode_switching.
16956 * modulo-sched.c (sms_schedule): Make it static.
16957 * rtl.h: Remove the prototype for sms_schedule.
16959 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16960 * rtl.h: Remove the prototype for gcse_after_reload_main.
16962 * reg-stack.c (reg_to_stack): Make it static.
16963 * rtl.h: Remove the prototype for reg_to_stack.
16965 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16967 * rtl.h: Remove the prototypes for regrename_optimize and
16968 copyprop_hardreg_forward.
16970 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16972 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16973 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16974 Test against the appropriate null constant for the mode.
16975 If 'fixup_overlap' is true, swap the operands if they overlap.
16976 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16977 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16978 alpha_split_tmode_pair and adjust for above change.
16979 * config/alpha/alpha.md (movtf_internal): Adjust call to
16980 alpha_split_tfmode_pair and rely on it to swap the operands.
16981 (movti_internal): New insn and post-reload splitter.
16982 (movti): New expander.
16984 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16986 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16989 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16991 * rtlanal.c (global_reg_mentioned_p_1,
16992 global_reg_mentioned_p): Remove.
16993 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16995 * flow.c (initialize_uninitialized_subregs): Make it static.
16996 * rtl.h: Remove the prototype for
16997 initialize_uninitialized_subregs.
16999 * function.c (instantiate_virtual_regs): Make it static.
17000 * function.h: Remove the prototype for
17001 instantiate_virtual_regs.
17003 * regmove.c (regmove_optimize, combine_stack_adjustments):
17005 * rtl.h: Remove the prototypes for regmove_optimize and
17006 combine_stack_adjustments.
17008 2006-01-17 Roger Sayle <roger@eyesopen.com>
17010 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17011 (size_cost): Encode costs in bytes so that a reg-reg addition is
17012 equivalent to COSTS_N_INSNS(1).
17013 (override_options): Use the size_cost.branch_cost as the default
17014 ix86_branch_cost when optimizing for size.
17016 2006-01-18 Ben Elliston <bje@au.ibm.com>
17018 * Makefile.in (D32PBIT_FUNCS): New.
17019 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17020 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17021 D64PBIT_FUNCS and D128PBIT_FUNCS.
17022 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17023 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17025 (decnumber_dep): Define.
17026 * doc/libgcc.texi (Decimal float library routines): New node.
17027 * config/dfp-bit.h, config/dfp-bit.c: New files.
17029 2006-01-18 Ben Elliston <bje@au.ibm.com>
17031 * expr.c (emit_move_change_mode): Always adjust addresses, not
17032 just during reload. Copy replacements only during reload.
17033 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17034 emit_move_via_integer.
17036 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17038 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17039 instead of $(srcdir) and ${srcdir}.
17041 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17044 PR middle-end/11135
17045 * arm.h (struct machine_function): Add pic_reg.
17046 * arm.c (arm_pic_register): Make unsigned.
17047 (arm_override_options): Only set arm_pic_register if
17048 TARGET_SINGLE_PIC_BASE.
17049 (use_return_insn): Only test for a pic register if it is fixed.
17050 (arm_compute_save_reg0_reg12_mask): Likewise.
17051 (thumb_compute_save_reg_mask): Likewise.
17052 (legitimate_pic_operand): Factor out some known invariants.
17053 (legitimize_pic_address): If we don't have a fixed pic register,
17054 then set up a pseudo in the function entry sequence. Handle the
17055 pic base being in a pseudo.
17056 (arm_load_pic_register): Handle the pic register being in a pseudo.
17057 (arm_expand_prologue): Only set up the pic register if it is fixed.
17058 (thumb_expand_prologue): Likewise.
17059 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17060 (pic_load_addr_based_insn): Likewise.
17061 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17064 2006-01-18 Ben Elliston <bje@au.ibm.com>
17066 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17067 decimal float modes for all floating point registers.
17069 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17070 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17072 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17075 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17076 even when the pointer is not NULL.
17078 2006-01-16 Ian Lance Taylor <ian@airs.com>
17080 * common.opt (ftoplevel-reorder): New option.
17081 * cgraph.c (cgraph_asm_nodes): New global variable.
17082 (cgraph_asm_last_node): New static variable.
17083 (cgraph_order): New global variable.
17084 (cgraph_create_node): Set new order field.
17085 (cgraph_varpool_node): Likewise.
17086 (decide_is_variable_needed): Return true if not
17087 flag_toplevel_reorder.
17088 (cgraph_add_asm_node): New function.
17089 * cgraph.h (struct cgraph_node): Add order field.
17090 (struct cgraph_varpool_node): Add order field.
17091 (struct cgraph_asm_node): Define.
17092 (cgraph_asm_nodes, cgraph_order): Declare.
17093 (cgraph_add_asm_node): Declare.
17094 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17096 (cgraph_varpool_assemble_pending_decls): Call it.
17097 (cgraph_output_pending_asms): New static function.
17098 (cgraph_finalize_compilation_unit): Call it.
17099 (struct cgraph_order_sort): Define.
17100 (cgraph_output_in_order): New static function.
17101 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17102 !flag_toplevel_reorder case.
17103 * c-parser.c: Include "cgraph.h".
17104 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17106 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17107 than -fno-unit-at-a-time.
17108 * doc/invoke.texi (Option Summary): Mention
17109 -fno-toplevel-reorder.
17110 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17111 -funit-at-a-time documentation.
17113 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17114 Kazu Hirata <kazu@codesourcery.com>
17116 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17118 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17120 * Makefile.in (FUNCTION_H): New. Use it instead of
17121 function.h throughout the file.
17122 * function.h: Include tree.h.
17124 2006-01-17 Ben Elliston <bje@au.ibm.com>
17126 * recog.c: Separate some functions with whitespace.
17128 2006-01-16 Richard Henderson <rth@redhat.com>
17130 Merge from gomp branch:
17131 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17132 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17133 and rename from struct inline_data. Rename callee* to dst*;
17134 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17135 transform_new_cfg, transform_return_to_modify, and
17136 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17138 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17139 (copy_decl_for_dup): Remove.
17140 * tree-inline.c (struct inline_data): Move to header.
17141 (insert_decl_map): Export.
17142 (remap_decl): Update for member name changes. Use copy_decl hook.
17143 Allow for replacement to be a non-decl. Remove dead code.
17144 (remap_type_1): Check for existing mapping.
17145 (remap_type): Export.
17146 (remap_decls): Update for member name changes.
17147 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17148 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17149 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17150 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17151 (tree_function_versioning, build_duplicate_type): Likewise.
17152 (copy_body_r): Likewise. Export.
17153 (copy_decl_for_dup): Split into ...
17154 (copy_decl_for_dup_finish, copy_decl_to_var,
17155 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17156 (replace_ref_tree, inlining_p): Remove.
17158 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17160 * ifcvt.c (if_convert): Make it static.
17161 * rtl.h: Remove the prototype for if_convert.
17163 * local-alloc.c (local_alloc): Make it static.
17164 * rtl.h: Remove the prototype for local_alloc.
17166 * loop.c (loop_optimize): Make it static.
17167 * cfgloop.h: Remove the prototype for loop_optimize.
17170 2006-01-16 DJ Delorie <dj@redhat.com>
17172 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17175 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17177 * pa.md: Disparage copies between general and floating-point registers
17178 in 32-bit move patterns.
17180 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17183 * Makefile.in (check-%): Depend on site.exp instead of
17184 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17187 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17189 * global.c (global_alloc): Make it static.
17190 * rtl.h: Remove the prototype for global_alloc.
17192 2006-01-16 Richard Guenther <rguenther@suse.de>
17194 * tree-ssa-alias.c (struct used_part): Add write_only field.
17195 (get_or_create_used_part_for): Initialize it to true.
17196 (create_overlap_variables_for): Don't create structure variables
17197 for structures that only are written to.
17198 (find_used_portions): Handle MODIFY_EXPR to track whether a
17199 structure is only written to.
17201 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17203 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17205 * basic-block.h: Remove the prototype for
17206 partition_hot_cold_basic_blocks.
17208 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17210 * cppspec.c (lang_specific_spec_functions): Remove.
17211 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17212 * gcc.h (lang_specific_spec_functions): Remove.
17213 * gccspec.c (lang_specific_spec_functions): Remove.
17215 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17217 * combine.c (record_value_for_reg): Invalidate registers
17219 (record_dead_and_set_regs_1): Likewise, by passing them to
17220 record_value_for_reg.
17221 (record_dead_and_set_regs): Invalidate stores made by a
17222 call. We do not combine across a call, but we still
17223 relied on equivalences.
17225 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17227 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17228 vrp_int_const_binop returning non-constant nodes.
17230 2006-01-16 Paul Brook <paul@codesourcery.com>
17232 * config/m68k/m68k.c (output_move_const_into_data_reg):
17233 Output correct mnemonic for mvz and mvs.
17235 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17237 * rtl-factoring.c: Add sequence abstraction algorithm.
17238 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17239 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17241 (block_has_preserve_label): New function.
17242 * common.opt: Register new pass.
17243 * Makefile.in: Ditto.
17245 * timevar.def: Ditto.
17246 * tree-pass.h: Ditto.
17247 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17248 * rtl.h (make_jump_insn_raw): Add forward decl.
17249 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17251 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17252 Roger Sayle <roger@eyesopen.com>
17254 * fold-const.c (fold_minmax): New static function.
17255 (fold_binary) <MIN_EXPR>: Call it.
17256 <MAX_EXPR>: Likewise.
17257 * stor-layout.c (place_field): Use DECL_SIZE consistently
17258 in the computation of the new record size.
17260 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17262 * cse.c (cse_condition_code_reg): Make it static.
17263 * rtl.h: Remove the prototype for cse_condition_code_reg.
17265 * combine.c (combine_instructions): Make it static.
17266 * rtl.h: Remove the prototype for combine_instructions.
17268 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17271 * tree.c (get_file_function_name_long): Concatenate the first global
17272 object name with a string derived from the input filename of the object
17275 2006-01-16 Ben Elliston <bje@au.ibm.com>
17277 * config/i386/winnt-stubs.c: Update FSF address.
17278 * config/xtensa/ieee754-df.S: Ditto.
17279 * config/xtensa/ieee754-sf.S: Ditto.
17281 2006-01-14 Ian Lance Taylor <ian@airs.com>
17283 * ifcvt.c (noce_init_if_info): New static function, broken out of
17284 noce_process_if_block.
17285 (noce_process_if_block): Call noce_init_if_info.
17286 (check_cond_move_block): New static function.
17287 (cond_move_process_if_block): New static function.
17288 (process_if_block): Call cond_move_process_if_block.
17290 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17292 * cselib.c (hash_table): Rename to cselib_hash_table.
17293 (cselib_clear_table, discard_useless_values,
17294 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17295 cselib_init, cselib_finish): Adjust uses of hash_table.
17297 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17299 PR tree-optimization/25485
17300 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17301 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17302 is known to be false and true, respectively.
17304 2006-01-14 Richard Guenther <rguenther@suse.de>
17306 PR tree-optimization/22548
17307 PR tree-optimization/22555
17308 PR tree-optimization/22501
17309 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17310 * params.def (salias-max-array-elements): New parameter.
17311 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17312 * doc/invoke.texi (salias-max-array-elements): Document.
17313 * tree-flow-inline.h (var_can_have_subvars): We also handle
17315 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17317 * tree-ssa-structalias.c (params.h): Include.
17318 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17319 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17320 (get_constraint_for): For ADDR_EXPR operating on something
17321 containing an ARRAY_REF, add all subvars to the solution.
17322 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17323 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17324 for creating MUST_DEFs.
17325 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17327 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17329 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17331 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17332 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17333 number_of_iterations_le): New functions.
17334 (number_of_iterations_special): Removed.
17335 (number_of_iterations_exit): Do not use number_of_iterations_special.
17336 * tree.c (unsigned_type_for): Always return integer type.
17338 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17339 Richard Guenther <rguenther@suse.de>
17341 PR rtl-optimization/24257
17342 * gcse.c (find_moveable_store): Only consider a store movable
17343 when the SET_SRC of the insn can be assigned to a register.
17345 2006-01-14 Ian Lance Taylor <ian@airs.com>
17347 * tree.c (tree_not_class_check_failed): New function.
17348 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17349 (tree_not_class_check_failed): Declare.
17351 2006-01-13 Ian Lance Taylor <ian@airs.com>
17353 * reload1.c (do_output_reload): Add assertion rejecting a
17356 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17358 * combine.c (struct reg_stat): Add new fields truncation_label and
17360 (record_value_for_reg): Reset truncated_to_mode.
17361 (record_truncated_value): New function.
17362 (check_promoted_subreg): Call it. Rename to check_conversions.
17363 (combine_instructions): Rename check_promoted_subreg to
17365 (reg_truncated_to_mode): New function.
17366 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17367 (gen_lowpart_or_truncate): New function.
17368 (force_to_mode): Use it instead of gen_lowpart.
17370 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17372 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17373 VAR is a tag, not its type tag.
17375 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17377 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17378 alternatives to match style of other entries.
17379 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17381 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17383 PR tree-optimization/25771
17384 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17387 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17390 * tree-inline.c (declare_return_variable): If the return variable
17391 was marked as a non gimple complex, set the return slot variable
17392 to be a non gimple comple variable.
17394 2006-01-13 Richard Guenther <rguenther@suse.de>
17396 * builtins.c (expand_builtin_sincos): New function.
17397 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17399 (expand_builtin): Expand sincos using expand_builtin_sincos.
17401 2006-01-12 DJ Delorie <dj@redhat.com>
17403 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17404 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17405 so that constant shifts can be split.
17406 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17407 (m32c_valid_pointer_mode): Make static.
17408 (shift_gen_func_for): New.
17409 (m32c_prepare_shift): Use it. Split large const shifts into
17411 * config/m32c/predicates.md (shiftcount_operand): Allow more
17413 (longshiftcount_operand): New.
17414 * doc/md.texi (Machine Constraints): Document In6.
17416 2006-01-13 Ben Elliston <bje@au.ibm.com>
17418 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17419 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17422 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17424 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17425 to try to avoid clobbering pieces of structures when we know
17426 something about the whole structure.
17427 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17429 2006-01-13 Ben Elliston <bje@au.ibm.com>
17431 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17432 return in memory, as this is no limitation is no longer present.
17434 2006-01-12 DJ Delorie <dj@redhat.com>
17436 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17437 mova with fb, and for fb+0 -> An.
17439 * config/m32c/mov.md (peephole2): Fix enabling logic.
17441 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17442 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17443 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17444 FINI_ARRAY_SECTION_ASM_OP): Define.
17446 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17448 (m32c_legitimize_reload_address): New logic to reload FB to An.
17449 (m32c_output_reg_push): Add newline.
17450 (m32c_output_reg_pop): Likewise.
17452 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17454 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17456 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17458 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17460 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17462 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17465 2006-01-11 Ben Elliston <bje@au.ibm.com>
17467 * rtlanal.c (find_reg_note): Assert insn is not null.
17469 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17471 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17474 2006-01-11 Jeff Law <law@redhat.com>
17476 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17478 (mark_threaded_blocks, register_jump_thread): New functions.
17479 (thread_through_all_blocks): Remove unwanted argument. No
17480 longer rely on e->aux to communicate thread target info.
17481 Call mark_threaded_blocks. Release the threaded_blocks
17482 bitmap and threaded_edges vector when complete.
17483 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17484 (threaded_blocks): Remove.
17485 (tree_ssa_dominator_optimize): Remove initialization and
17486 finalization of threaded_blocks. Simplify call to
17487 thread_through_all_blocks.
17488 (thread_across_edge): Call register_jump_thread rather than
17489 storing thread information into e->aux.
17490 (free_all_edge_infos): Simplify now that e->aux is no longer
17491 used to communicate with thread_through_all_blocks.
17492 * tree-flow.h (thread_through_all_blocks): Update prototype.
17493 (register_jump_thread): Prototype.
17495 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17497 * df-core.c (df_compact_blocks, df_bb_replace): Use
17498 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17500 2006-01-11 Richard Guenther <rguenther@suse.de>
17502 PR tree-optimization/25734
17503 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17504 stop propagation after successful propagation to the LHS.
17506 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17508 * basic-block.h (control_flow_graph): Change the type of
17509 x_basic_block_info to VEC(basic_block,gc) *.
17510 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17512 (SET_BASIC_BLOCK): New.
17513 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17514 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17515 * cfgbuild.c (find_basic_blocks): Likewise.
17516 * cfglayout.c (fixup_reorder_chain): Likewise.
17517 * cfgrtl.c (create_basic_block_structure,
17518 rtl_create_basic_block): Likewise.
17519 * ifcvt.c (find_if_case_1): Likewise.
17520 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17523 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17525 * Makefile.in: Removed rotted odf.c entry.
17527 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17530 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17531 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17532 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17533 output pattern modifier, not %e.
17534 * config/cris/cris.c (cris_op_str): Update comment about pattern
17536 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17537 before falling through into...
17538 <case 'E'>: Redefined from old 'e' case.
17540 2006-01-11 Jan Hubicka <jh@suse.cz>
17543 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17545 2006-01-11 Jan Hubicka <jh@suse.cz>
17547 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17548 * i386.c (x86_decompose_lea): Kill.
17549 (ix86_rtx_costs): Kill.
17551 2006-01-11 Jan Hubicka <jh@suse.cz>
17553 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17554 * cgraph.h (cgraph_node): Add inline_decl.
17555 (cgraph_insert_node_to_hashtable): Declare.
17556 (save_inline_function_body): Declare.
17557 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17559 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17560 (cgraph_function_versioning): Update call of tree_function_versioning.
17561 (save_inline_function_body): New function.
17562 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17563 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17564 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17565 (cgraph_default_inline_p): Likewise.
17566 (cgraph_decide_inlining_incrementally): Likewise.
17567 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17568 (copy_bb): Kill saving; do updating of clones.
17569 (copy_cfg_body): Kill saving.
17570 (initialize_inlined-parameters): Likewise.
17571 (expand_call_inline): Likewise.
17573 (tree_function_versioning): New parameter "update_clones".
17574 (inlining_p): Kill saving.
17575 * tree-inline.h (tree_function_versioning): Update prototype.
17576 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17579 2006-01-11 Ian Lance Taylor <ian@airs.com>
17581 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17582 Allow undoing set of machine mode.
17583 (do_SUBST): Use enums instead of is_int.
17584 (do_SUBST_MODE): New function.
17585 (SUBST_MODE): New macro.
17586 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17587 reg and trying to replace reg_regno_rtx with a new register.
17588 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17589 (simplify_set): Use SUBST_MODE.
17590 (distribute_notes): Remove code that tried to update reg notes
17591 for regno_reg_rtx changes.
17593 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17595 PR tree-optimization/23109
17596 PR tree-optimization/23948
17597 PR tree-optimization/24123
17599 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17600 * tree-cfg.c (single_noncomplex_succ): New.
17601 * tree-flow.h (single_noncomplex_succ): Declare it.
17602 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17603 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17604 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17605 insert_bb, register_division_in, insert_reciprocals,
17606 replace_reciprocal, free_bb): New.
17607 (execute_cse_reciprocals_1): Rewritten.
17608 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17609 Do not commit any edge insertion. Always compute dominators and
17610 create the allocation pool.
17611 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17612 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17613 * targhooks.c (default_min_divistions_for_recip_mul): New.
17614 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17615 * passes.c (init_optimization_passes): Run recip after tree loop
17617 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17619 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17620 Kenneth Zadeck <zadeck@naturalbridge.com>
17622 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17623 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17624 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17625 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17626 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17627 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17628 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17629 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17630 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17631 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17632 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17633 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17634 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17635 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17636 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17637 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17638 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17639 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17640 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17641 DF_SCAN_POST_ALLOC): New macros.
17642 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17643 df_free_bb_function, df_local_compute_function, df_init_function,
17644 df_dataflow_function, df_confluence_function_0,
17645 df_confluence_function_n, df_transfer_function,
17646 df_finalizer_function, df_free_function, df_dump_problem_function,
17647 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17648 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17649 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17650 df_urec_bb_info, ) New types.
17651 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17653 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17654 df_analyze_simple_change_some_blocks,
17655 df_analyze_simple_change_one_block, df_compact_blocks,
17656 df_bb_replace, df_bb_regno_last_use_find,
17657 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17658 df_insn_regno_def_p, df_find_def, df_find_use,
17659 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17660 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17661 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17662 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17663 debug_df_chain, df_get_dependent_problem, df_chain_create,
17664 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17665 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17666 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17667 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17668 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17669 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17670 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17671 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17672 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17673 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17674 df_reorganize_refs, df_set_state, df_hard_reg_init,
17675 df_read_modify_subreg_p) New public functions.
17676 * df-core.c: The core dataflow solver and glue routines for rtl
17678 (df_init, df_add_problem, df_set_blocks, df_finish,
17679 df_hybrid_search_forward, df_hybrid_search_backward,
17680 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17681 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17682 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17683 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17684 df_reg_defined, df_find_use, df_reg_used, df_dump,
17685 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17686 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17687 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17688 debug_df_useno, reset_df_after_reload): New functions.
17689 * df-scan.c: The scanning fuctions, once in df.c, completely
17690 rewritten so that they now fully model the functionality of
17691 register usage at the backend.
17692 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17693 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17694 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17695 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17696 df_get_artificial_defs, df_get_artificial_uses,
17697 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17698 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17699 df_refs_delete, df_reorganize_refs, df_set_state,
17700 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17701 df_def_record_1, df_defs_record, df_uses_record,
17702 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17703 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17704 df_record_exit_block_uses, df_hard_reg_init): New functions.
17706 * df-problems.c: Seven concrete dataflow problems that use the
17707 scanning in df-scan.c and are solved by the engine in df-core.c.
17708 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17709 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17710 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17711 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17712 df_ru_free_bb_info, df_ru_alloc,
17713 df_ru_bb_local_compute_process_def,
17714 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17715 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17716 df_ru_transfer_function, df_ru_free, df_ru_dump,
17717 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17718 df_rd_free_bb_info, df_rd_alloc,
17719 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17720 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17721 df_rd_transfer_function, df_rd_free, df_rd_dump,
17722 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17723 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17724 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17725 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17726 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17727 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17728 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17729 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17730 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17731 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17732 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17733 df_urec_mark_reg_use_for_earlyclobber,
17734 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17735 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17736 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17737 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17738 df_chain_create_bb_process_use, df_chain_create_bb,
17739 df_chain_finalize, df_chain_free, df_chains_dump,
17740 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17741 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17742 df_reg_lifetime): New functions.
17743 * df.c: Deleted file.
17744 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17745 consistent with new df api.
17746 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17747 rest_of_handle_sms): Ditto.
17748 * web.c (unionfind_union, union_defs, entry_register, web_main):
17750 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17751 invariant_expr_equal_p, find_defs, check_dependencies,
17752 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17753 free_inv_motion_data, move_loop_invariants): Ditto.
17754 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17755 Update dependencies.
17756 (odf.c): Added defective entry that was deleted later in day.
17757 * sched-deps.c (sched_analyze_1): Ditto.
17759 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17761 * tree-ssa-operands.c (get_expr_operands): Record addressable
17762 variables directly. Do not call add_stmt_operands for CONST_DECLs
17764 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17765 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17767 2006-01-11 Ben Elliston <bje@au.ibm.com>
17769 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17770 function returns true in the positive case.
17772 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17775 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17776 for SI, DI, SF and DF modes. Add alternatives to copy between
17777 general and floating point registers to the 32-bit patterns.
17778 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17779 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17780 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17781 generating 64-bit code.
17782 * config/pa/pa.c (output_move_double): Handle copies between general
17783 and floating registers.
17785 2006-01-10 Stuart Hastings <stuart@apple.com>
17787 * config/i386/i386.md (set_got): Update.
17788 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17789 (builtin_setjmp_receiver): Mach-O support.
17790 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17791 (GOT_SYMBOL_NAME): Define.
17792 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17793 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17794 * config/i386/i386.c (override_options): Revise for Darwin.
17795 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17796 support. (darwin_x86_file_end): New. (output_set_got): Add label
17797 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17798 * config/i386/i386-protos.h (output_set_got): Likewise.
17799 * config/darwin.c (machopic_legitimize_pic_address): Update
17802 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17804 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17805 when MODE isn't BLKmode.
17807 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17809 PR rtl-optimization/25367
17810 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17812 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17815 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17816 for a negative bound.
17818 2006-01-10 Richard Guenther <rguenther@suse.de>
17820 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17821 Never override with anything constraint.
17823 2006-01-10 Jan Beulich <jbeulich@novell.com>
17825 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17826 256 bits when optimize_size.
17828 2006-01-10 Jan Beulich <jbeulich@novell.com>
17830 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17832 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17833 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17836 2006-01-10 Ben Elliston <bje@au.ibm.com>
17838 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17840 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17841 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17842 (USE_FP_FOR_ARG): Reject decimal float modes.
17843 (function_arg_advance): Likewise.
17844 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17845 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17846 point types in AltiVec vectors.
17847 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17848 (rs6000_libcall_value): Likewise.
17850 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17852 * config/xtensa/ieee754-df.S: New file.
17853 * config/xtensa/ieee754-sf.S: New file.
17854 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17855 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17856 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17858 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17860 * config/sh/predicates.md (binary_float_operator,
17861 binary_logical_operator, commutative_float_operator,
17862 equality_comparison_operator, greater_comparison_operator,
17863 less_comparison_operator, logical_operator,
17864 noncommutative_float_operator, shift_operator,
17865 symbol_ref_operand, unary_float_operator): Remove redundant
17868 2006-01-09 Jeff Law <law@redhat.com>
17870 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17871 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17872 now unused arguments. Callers updated.
17873 (eliminate_redundant_computations): Remove now unused arguments,
17875 (local_fold): Remove, no longer used.
17876 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17878 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17879 (simplify_cond): New function.
17880 (forward_propagate_into_cond): Call simplify_cond.
17882 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17884 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17885 (*vec_extractv2di_1_sse): New.
17887 2006-01-09 Ben Elliston <bje@au.ibm.com>
17889 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17891 2006-01-08 Richard Guenther <rguenther@suse.de>
17893 * tree-ssa-structalias.c (get_constraint_for): Remove
17894 anyoffset argument.
17895 (get_constraint_for_component_ref): Likewise.
17896 (do_deref): Likewise.
17897 (get_constraint_for): Likewise.
17898 (do_structure_copy): Likewise.
17899 (handle_ptr_arith): Likewise.
17900 (find_func_aliases): Likewise. Remove unused need_anyoffset
17903 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17904 Kaz Kojima <kkojima@gcc.gnu.org>
17906 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17907 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17908 (EXTRA_CONSTRAINT_C16): Remove.
17909 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17910 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17911 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17912 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17913 constants of SHmedia. Handle nested constant expressions of
17915 (andcosts): Fix the costs for SHmedia constants.
17916 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17917 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17918 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17919 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17920 (movv4hi_i, movv2si_i): Likewise.
17921 (movsi_const): Adjust the second operand of ior so to match with
17922 the Csu constraint.
17923 (movdi_const, movdi_const_32bit): Likewise.
17924 (movdi_const_16bit+1): Don't sign-extend LOW.
17925 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17927 (*double_shori): Fix the split condition. Use GEN_INT instead
17928 of get_int_mode calls. Mask lower 16-bit of the argument of
17930 (sym2GOTPLT): Remove.
17931 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17933 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17934 instead of EXTRA_CONSTRAINT_C16.
17936 2006-01-07 Ian Lance Taylor <ian@airs.com>
17937 David Edelsohn <edelsohn@gnu.org>
17939 PR rtl-optimization/25662
17940 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17941 for constant operands instead of simplify_gen_binary.
17942 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17943 after trying simplify_binary_operation
17945 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17947 * tree.c (iterative_hash_expr): Hash decls based on UID.
17949 2006-01-06 Eric Christopher <echristo@apple.com>
17951 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17952 (TARGET_UNWIND_EMIT): Fix spelling.
17953 * target.h (gcc_target): Add except_table_label.
17954 * except.c (output_function_exception_table): Use.
17955 * varasm.c (default_emit_except_table_label): New.
17956 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17958 (asm_out): Add here.
17959 * output.h (default_emit_except_table_label): Prototype.
17960 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17961 * config/darwin.c (darwin_emit_except_table_label): Define.
17962 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17964 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17966 PR tree-optimization/18527
17967 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17968 number_of_iterations_special, number_of_iterations_exit):
17969 Move base and step of an iv to a single structure. Add
17970 no_overflow flag, and use it in # of iterations analysis.
17971 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17972 folded_casts argument.
17973 (simple_iv): Pass base and step in a structure. Set no_overflow
17975 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17976 Evaluate expensiveness of computing # of iterations instead of
17977 the final expression.
17978 * tree-scalar-evolution.h (affine_iv): New structure.
17979 (simple_iv): Declaration changed.
17980 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17981 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17982 find_givs_in_stmt): Changed due to simple_iv change.
17984 2006-01-06 Jeff Law <law@redhat.com>
17987 * tree-cfg.c (bsi_replace): Rename final argument from
17988 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17989 change (stmt -> orig_stmt).
17990 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17991 (bsi_remove): Add new argument. Remove EH information
17993 (verify_eh_throw_table_statements): New function.
17994 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17996 * tree-optimize.c (execute_free_cfg_annotations): Verify
17997 the EH throw statement table after removing annotations.
17998 * except.h (verify_eh_throw_table_statements): Prototype.
17999 * tree-flow.h (bsi_remove): Update prototype.
18000 * tree-vrp.c (remove_range_assertions): Add new argument to
18002 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18003 * tree-complex.c (expand_complex_div_wide): Likewise.
18004 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18005 * tree-tailcall.c (eliminate_tailcall): Likewise.
18006 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18007 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18008 * tree-nrv.c (tree_nrv): Likewise.
18009 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18010 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18011 (combine_blocks): Likewise.
18012 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18013 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18014 (cleanup_control_flow): Likewise.
18015 (remove_forwarder_block): Likewise.
18016 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18017 * tree-sra.c (sra_replace): Likewise.
18018 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18019 (forward_propagate_single_use_vars): Likewise.
18020 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18021 * tree-inline.c (expand_call_inline): Likewise.
18022 * tree-vect-transform.c (vect_transform_loop): Likewise.
18023 * tree-outof-ssa.c (rewrite_trees): Likewise.
18024 * tree-cfg.c (make_goto_expr_edges): Likewise.
18025 (cleanup_dead_labels): Likewise.
18026 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18027 (bsi_move_before, bsi_move_after): Likewise.
18028 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18029 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18031 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18034 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18036 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18037 on non gimple variables. Also add checks at the top for decls and
18039 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18041 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18042 and IMAGPART_EXPR for creating MUST_DEFs.
18043 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18044 and NAME_MEMORY_TAG separately from the DECLs.
18046 2006-01-06 Richard Guenther <rguenther@suse.de>
18048 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18049 annotation, if necessary.
18050 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18051 redundant calls to update_stmt.
18052 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18055 2006-01-05 Richard Henderson <rth@redhat.com>
18057 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18059 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18061 * c-typeck.c: Update copyright date.
18063 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18065 * c-typeck.c (build_c_cast): Always warn when casting
18066 from a pointer to an integer of different size, even if
18067 the node was constant.
18069 2006-01-05 Richard Guenther <rguenther@suse.de>
18071 PR tree-optimization/22555
18072 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18073 if one structure field is an array.
18074 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18075 operands even if we found a subvar, but ignore VOPs in this
18077 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18079 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18081 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18083 PR middle-end/24998
18084 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18086 2006-01-05 Richard Guenther <rguenther@suse.de>
18087 Diego Novillo <dnovillo@redhat.com>
18089 * tree-pass.h (TODO_remove_unused_locals): Define.
18090 * gimple-low.c (expand_var_p, remove_useless_vars,
18091 pass_remove_useless_vars): Remove. Update all users.
18092 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18093 (remove_unused_locals): New function.
18094 * tree-flow.h (remove_unused_locals): Declare.
18095 * passes.c (execute_todo): Call remove_unused_locals if
18096 TODO_remove_unused_locals is set.
18097 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18098 * tree-ssa-dce.c (pass_dce): Likewise.
18099 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18101 2006-01-05 Richard Guenther <rguenther@suse.de>
18103 * tree-flow.h (struct fieldoff): Decompose field to
18104 type, size and decl.
18105 * tree-ssa-alias.c (create_sft): Take type as parameter.
18106 (create_overlap_variables_for): Store type, size and decl
18107 in the fieldoff structure.
18108 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18109 of struct fieldoff.
18110 (push_fields_onto_fieldstack): Likewise.
18111 (create_variable_info_for): Likewise. Use offset for the
18112 SFT name if the decl is not available.
18114 2006-01-04 Paul Brook <paul@codesourcery.com>
18116 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18118 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18120 * lambda-code.c (can_put_in_inner_loop): Relax
18122 (can_put_after_inner_loop): New function.
18123 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18124 (perfect_nestify): Change to make copies and modify uses.
18126 2006-01-04 Richard Henderson <rth@redhat.com>
18128 Merge from gomp branch:
18129 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18130 via integer constant.
18131 (pragma_lex): Remove.
18132 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18133 rather than parsing it.
18134 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18135 handle_pragma_extern_prefix): Add %< %> quotes.
18136 (registered_pragmas): New.
18137 (c_register_pragma_1): New.
18138 (c_register_pragma): Use it.
18139 (c_register_pragma_with_expansion): Likewise.
18140 (c_invoke_pragma_handler): New.
18141 (init_pragma): Use cpp_register_deferred_pragma directly for
18143 * c-pragma.h (enum pragma_kind): New.
18144 (pragma_handler): New.
18145 (c_invoke_pragma_handler): Declare.
18146 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18148 * c-common.h (c_common_pch_pragma): Update decl.
18149 * Makefile.in (c-parser.o): Update dependencies.
18150 (GTFILES): Add c-pragma.h.
18151 * c-parser.c (struct c_token): Add pragma_kind.
18152 (struct c_parser): Add in_pragma.
18153 (c_lex_one_token): Always initialize keyword and pragma_kind.
18154 Extract data for CPP_PRAGMA.
18155 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18156 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18157 Don't allow CPP_PRAGMA_EOL if in_pragma.
18158 (c_parser_consume_pragma): New.
18159 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18160 (c_parser_skip_to_end_of_parameter): Likewise.
18161 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18162 (c_parser_skip_to_pragma_eol): New.
18163 (c_parser_external_declaration): Handle CPP_PRAGMA.
18164 (c_parser_compound_statement_nostart): Likewise.
18165 (c_parser_statement_after_labels): Likewise.
18166 (c_parser_pragma): New.
18167 (pragma_lex): Likewise.
18168 (c_parser_pragma_pch_preprocess): New.
18169 (c_parser_new): Merge into ...
18170 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18172 2006-01-04 Jeff Law <law@redhat.com>
18175 * tree-cfg.c (bsi_replace): Remove the original statement
18176 from the EH throw statement table.
18178 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18180 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18181 make the prototype extern "C" and add throw ().
18184 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18185 and pos non-negative and pos + len <= 32.
18186 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18187 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18188 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18191 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18192 as well as sizes not multiple of component size.
18195 * function.c (instantiate_expr): New function.
18196 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18197 walk its DECL_VALUE_EXPR with instantiate_expr.
18199 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18200 DW_OP_deref{,_size} if address isn't going to be added.
18202 2006-01-04 Ben Elliston <bje@au.ibm.com>
18204 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18205 * config/fp-bit.c: Likewise.
18207 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18209 * dominance.c: Add comment about why we use DFS numbering
18212 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18213 Richard Henderson <rth@redhat.com>
18215 Merge from gomp-branch:
18216 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18217 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18219 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18221 PR rtl-optimization/25578
18222 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18223 pass a parameter to simplify_shift_const if changing ASHIFTRT
18226 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18228 * builtins.c (get_builtin_sync_mem): New function.
18229 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18230 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18231 Call get_builtin_sync_mem to generate mem rtx.
18233 2006-01-03 Richard Guenther <rguenther@suse.de>
18236 * stmt.c (add_case_node): Make sure to clear overflow flags
18239 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18241 Merge from gomp-branch.
18242 * config/sparc/sync.md: New file.
18243 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18244 UNSPECV_LDSTUB): New constants.
18245 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18246 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18247 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18250 2006-01-03 Roger Sayle <roger@eyesopen.com>
18252 * combine.c (reg_subword_p): New predicate to test whether the
18253 destination of a set refers to a subword/piece of a register.
18254 (try_combine): Generalize the code to merge the setting of a
18255 pseudo to a constant followed by a set of a subword of that
18256 register to a constant.
18258 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18260 * basic-block.h (control_flow_graph): Change the type of
18261 x_label_to_block_map to VEC(basic_block,gc) *.
18262 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18263 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18265 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18266 VEC(basic_block,heap) *.
18267 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18268 ssa_prop_fini): Adjust the uses of cfg_blocks.
18270 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18272 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18274 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18275 hashing trees instead of a pointer hash.
18276 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18277 compare for MEM_EXPR.
18279 PR rtl-optimization/25130
18280 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18281 when comparing MEMs for GCSE
18283 2006-01-03 Ben Elliston <bje@au.ibm.com>
18285 * targhooks.h (default_decimal_float_supported_p): Declare.
18286 * targhooks.c (default_decimal_float_supported_p): Define.
18287 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18288 `default_decimal_float_supported_p'.
18289 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18291 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18293 * combine.c (apply_distributive_law <SUBREG>): Check
18294 TRULY_NOOP_TRUNCATION.
18296 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18298 * dwarf2out.c (have_switched_text_section): Delete.
18299 (have_multiple_function_sections): New.
18300 (have_location_lists): Make 'bool'.
18301 (add_AT_loc_list): Use 'true' not '1'.
18302 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18303 (output_loc_list): Use have_multiple_function_sections.
18304 (output_ranges): Likewise.
18305 (dwarf2out_begin_function): Set have_multiple_function_sections if
18307 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18308 Check function_section rather than DECL_SECTION_NAME.
18309 (dwarf2out_finish): Use have_multiple_function_sections.
18310 Don't clear have_location_lists.
18312 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18313 Jan Hubicka <jh@suse.cz>
18315 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18316 case of conditional jump jumping to the next instruction.
18317 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18318 cases of conditional jump jumping to the next instruction.
18320 2006-01-02 Jan Hubicka <jh@suse.cz>
18322 * i386.c (*_cost): Add COSTS_N_INSNS.
18323 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18325 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18328 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18330 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18332 * config/arm/arm.c (all_fpus): Fix comment typo.
18333 * config/darwin.c: Likewise.
18334 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18335 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18336 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18338 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18340 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18341 (rs6000_split_compare_and_swapqhi): New.
18342 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18343 (sync_compare_and_swapqhi_internal): New.
18344 * config/rs6000/rs6000-protos.h: Declare.